But the number steel cable lock of modified reversion
But the utility model relates to a kind of number steel cable lock of modified reversion, refers to a kind of digit wheel displacement when avoiding reversion especially, designs with the number steel cable lock that preset number is not inconsistent and cause setting number after the reversion.
But the number steel cable lock of existing reversion, shown in No. eight or three, general as novel patent announcement second benzene hexachloride (BHC) in Taiwan of its structure kenel " is pressed and is changeed and the check mark lockset of a sense reversion ", please cooperate referring to shown in Figure 7, have several number wheels 40 in its structure, number wheels 40 and group are set and are positioned on the location pole socket 50 of number steel cable lock one end, and the other end of number steel cable lock is provided with locking bar 60, in the end of outermost number wheels 40 a reversion device 70 is set in addition, wherein be to push away locating piece 42 in each number wheels 40 of pulling with the formed group of piece of pulling on the blade, no longer be the clip state so that the digit wheel 41 of number wheels 40 gets with locating piece 42, make digit wheel 41 be able to turn and change number.
Though but be the purpose that the number steel cable lock of above-mentioned reversion can reach reversion, because of its structure design kenel or in the use of reality, remain, but make good not as expection of the practicality of this reversion number steel cable lock in a plurality of problems, its shortcoming is as follows:
Please cooperate Fig. 7 and Fig. 8 to see it, this number steel cable lock forms the lug 511 of two radial symmetric on its backstay 51, and locating piece 42 in its mesopore 421 peritreme places except that forming the wearing the groove 422 of two radial symmetric, still be provided with two mating grooves 423 corresponding to lug 511, be the lamellar body of thinner thickness wherein because of lug 511, two mating grooves 423 promptly are less than wearing groove 422 and being identical groove width kenel, so when reversion, locating piece 42 needs with mating groove 423 corresponding to the lug on the backstay 51 511, can be correctly to carry out the reversion action, but during because of reversion, be to carry out at the state that locking bar 60 takes off, so digit wheel 41 be this moment can free turn state, therefore carrying out digit wheel 41 promptly may taking place together with locating piece 42 turn off normals in reversion moves, as shown in Figure 9, lug 511 corresponding matching of wearing groove 422 and backstay 51 that cause locating piece 42, as if being example with preset number 0, the real number of setting is 2 or 8 after its reversion; And for example shown in Figure 10, locating piece 42 may be in company with behind the digit wheel 41 Rotate 180 degree, with the mating groove 423 of locating piece 42 another opposite side and lug 511 corresponding matching of backstay 51, with preset number 0 is example, the real number of setting is 5 after its reversion, and above-mentioned digit wheel 41 is together with the situation of locating piece 42 improper turn off normals, carry out in the reversion action the user, may have no to discover, so finish in the reversion setting, behind the combination lock snap close, when unblanking with user's preset number again, the awkward situation that i.e. generation can't be unblanked causes the user to use many puzzlements.
Main purpose of the present utility model is: provide a kind of when reversion, can effectively avoid digit wheel malfunction displacement, but and cause setting the modified reversion number steel cable lock that number and preset number behind the position do not conform to.
The technical solution of the utility model is: but a kind of number steel cable lock of modified reversion is provided, this number steel cable lock has a wirerope, the wirerope two ends are respectively the location division of tool backstay and the locking bar portion of tool locking bar, also organize on the backstay and be provided with compression spring and number number wheels, each number wheels by digit wheel, locating piece, fasten spring and push away the piece of pulling and formed, and the reversion device is set in the backstay end, start by the reversion device, make locating piece and digit wheel break away from the clip state, make digit wheel be able to turn conversion number, wherein, the backstay both sides respectively
Form the bit block of axially spaced-apart correspondence, the bit block of both sides and be one wide one narrow kenel, locating piece then are formed into two alignment grooves that correspond respectively to bit block in the mesopore peritreme.
But the number steel cable lock of aforesaid modified reversion wherein, pushes away the piece of pulling and forms two mating grooves that correspond respectively to backstay both sides one a wide narrow bit block in its mesopore peritreme,
But the number steel cable lock of aforesaid modified reversion wherein, pushes away the piece of pulling in the snap ring portion that forms projection towards the locating piece direction, and snap ring portion also is formed with respectively for the locating groove that fastens spring location in two corresponding end.
As from the foregoing, but the number steel cable lock of this modified reversion mainly is the bit block that forms the axially spaced-apart correspondence in the backstay both sides respectively, both sides bit block and be one wide one narrow kenel, locating piece then forms the alignment grooves that corresponds respectively to bit block in the mesopore peritreme, by above design, when reversion, after need making backstay and locating piece be correct contraposition earlier, can carry out the reversion action, and locating piece is fixed in the reversion process, to avoid locating piece in company with the digit wheel turn, so can correctly set number, and do not have the facts that number does not conform to, but and then provide a reversion combination lock that has more progressive to design.
Fig. 1 is a perspective exploded view of the present utility model.
Fig. 2 pulls piece and fastens one of syntagmatic drawing of site of spring for pushing away in the utility model number wheels.
Fig. 3 is for pushing away pull piece and two of the syntagmatic drawing of site that fastens spring in the utility model number wheels.
Fig. 4 is a combination top cross-sectional view of the present utility model.
Fig. 5 is backstay and a locating piece relativeness position view in the utility model.
Action schematic diagram when Fig. 6 is the utility model reversion.
But Fig. 7 divides the sight schematic diagram for the solid of existing reversion number steel cable lock.
But Fig. 8 is one of relative position schematic diagram between the locating piece of backstay and number wheels in the existing reversion number steel cable lock.
But Fig. 9 is two of relative position schematic diagram between the locating piece of backstay and number wheels in the existing reversion number steel cable lock.
But Figure 10 is three of relative position schematic diagram between the locating piece of backstay and number wheels in the existing reversion number steel cable lock.
At first please cooperate and consult Fig. 1 and see it, but reversion number steel cable lock of the present utility model has a wirerope 10, the two ends of wirerope 10 are connected location division 11 and locking bar portion 12 respectively, and in the location division 11 and 12 in locking bar portion be provided with array number wheels 20, and the reversion device 30 etc. that is arranged at number wheels 20 outsides of nearly locking bar portion 12, but constitute the number steel cable lock of a reversion.
But in the above-mentioned reversion number steel cable lock, location division 11 has a ring seat 111, a positioning rod 112 is extended at ring seat 111 centers, backstay 112 bottoms are the face of scabbling, the upper end forms the axial groove 113 of wearing, and backstay 112 both sides respectively axially spaced-apart be convexly equipped with several bit blocks 114,115, the bit block 114 that wherein is positioned at backstay 112 1 sides is slightly larger than backstay 112 bit block 115 of sides in addition, again, backstay 112 is provided with locating hole 116 in the bit block 114 of end; Locking bar portion 12 also has a ring seat 121, and ring seat 121 centers are extended with a locking bar 122, and locking bar 122 bottoms are the design for scabbling face also, and the upper end then forms the locking part 123 that tool is counted lock dog.
Number wheels 20 are by digit wheel 21, locating piece 22, push away to pull piece 23 and fasten spring 24 and be formed by combining, wherein digit wheel 21 is kenels in the form of a ring, periphery ring is provided with dimpled grain, its mesopore 211 inner formation are stepped, and establish several locating slots corresponding with number 212 in the thickness periphery ring of endoporus, and digit wheel 21 inner peripherals are polygonal design; Locating piece 22 has an apical ring 221, apical ring 221 end faces form projecting ring section 222 towards digit wheel 21 directions, mesopore 211 internal diameters of the external diameter of projecting ring section 222 and digit wheel 21 are suitable, this projecting ring section 222 upper ends form one extend to mesopore 223 wear groove 224, the bottom then forms the projection 225 that cooperates locating slot 212, forms in mesopore 223 both side edges again and corresponds respectively to the alignment grooves 226,227 that backstay 112 bit blocks 114,115 vary in size; Push away piece 23 central authorities of pulling and form mesopore 2 31, mesopore 231 upper ends are for wearing groove 232, both sides form and correspond respectively to the mating groove 233,234 that backstay 112 both sides bit blocks 114,115 vary in size, again in the snap ring portion 235 that forms projection towards locating piece 22 directions, snap ring portion 235 also is formed with locating groove 236 respectively in two corresponding end, these locating groove 236 places can detain the locator card of pulling and support spring 24, and are firm positioning states, as Fig. 2 or that shown in Figure 3.
Please cooperate referring to Fig. 1 and shown in Figure 4, when group is established, be that a compression spring 117 is sheathed on the backstay 112, again pushing away of each number wheels 20 pulled piece 23, locating piece 22 and digit wheel 21 formed number wheels 20, and make and fasten spring 24 and buckle and pull in pushing away on the piece 23 of pulling, afterwards, each number wheels 20 is mounted on the backstay 112 one by one, again reversion device 30 is mounted on place, backstay 112 ends at last.
When the locating piece 22 of each number wheels 20 wear groove 224 all with backstay 112 to wear 113 pairs of grooves seasonable, the locking bar 122 of locking bar portion 12 is penetrated in the backstay 112, at this moment, if rotation digit wheel 21, digit wheel 21 promptly drives locating piece 22 turns by locating slot 212 with projection 225 clip one simultaneously, make locking bar 122 can't break away from backstay 112, and be lock-out state; When if desire is opened lockset, then only digit wheel 21 must be threaded to the number place of setting, the groove 224 of wearing of locating piece 22 is alignd with the locking part 123 of locking bar 122, locking bar portion 12 is separated with location division 11, promptly be opening.
Please cooperate again consult shown in Figure 4, when the utility model is desired to reach reversion, be to carry out in the situation that locking bar portion 12 separates with location division 11, wherein before reversion, reversion device 30 does not push against locating piece 22, therefore by the power of pulling that pushes away of compression spring 117, make 21 of locating piece 22 and digit wheels remain on the state of projection 225 and locating slot 212 clips so digit wheel 21 and 22 relations that promptly remain on interlock of locating piece.
Please cooperate referring to shown in Figure 5, during reversion, at first number wheels 20 need the position to be in the tram of setting number, that is the alignment grooves 226 of locating piece 22 both sides, 227 with the bit block 114 of backstay 112 both sides, 115 is corresponding, as shown in Figure 6, promote toward compression spring 117 directions with the projecting ring section 222 of reversion device 30 again digit wheel 21, because of locating piece 22 is to be the close contact state with pushing away the piece 23 of pulling, so when making the projection 225 of the locating piece 22 in each number wheels 20 break away from the locating slot 212 of digit wheel 21, the alignment grooves 226 of locating piece 22 both sides, 227 move to the bit block 114 of backstay 112 both sides, location, 115 places, and make digit wheel 21 and locating piece 22 no longer be the interlock state, at this moment, can rotate the number place of digit wheel 21 to the desire setting, after waiting to set, reversion device 30 is resetted, and, make locating piece 22 be the interlock state of clip again with digit wheel 21 by the power of pulling that pushes away of compressing spring 117.
After above-mentioned architectural feature and assembling operation instruction, but and compare with existing reversion number steel cable lock, when finding out that characteristics of the present utility model are:
The utility model mainly is by the narrow bit block in backstay both sides one wide one and the paired design of alignment grooves of locating piece, when making the number wirerope lock in reversion, after need aligning number earlier, after making the simultaneously correct corresponding matching of bit block of the alignment grooves that varies in size in the locating piece and backstay both sides, can carry out the action of reversion, simultaneously in the process of reversion, locating piece is fixed, so as to avoiding fully in reversion because of locating piece, the improper turn displacement of digit wheel, and cause the setting number after the number wheels reversion different with preset number, after causing the locking of number steel cable lock, the awkward situation that but can't open lockset with preset number, but and then provide a kind of reversion number steel cable lock structure that has more safety.