CN211287037U - Puzzle padlock - Google Patents

Abstract

The utility model discloses a password padlock, which is characterized in that the password padlock comprises an outer shell and a lock rod, an inner shell is arranged in the outer shell, a locking component and an unlocking component for controlling the locking component are arranged in the inner shell, an installation cavity is arranged in the inner shell, the upper end of the installation cavity is communicated with a transmission cavity, a first positioning groove and a second positioning groove are arranged at the left side and the right side of the transmission cavity, the lock rod comprises a positioning rod, extension rod and connecting rod, the locking subassembly includes the limiting plate, be equipped with the slip hole on the limiting plate, the locating lever inserts in the slip hole, be equipped with the locking groove on the locating lever, the left side in first locating groove is equipped with the hole of stepping down, be equipped with the strengthening groove on the extension rod, transmission intracavity left side sliding connection has the driving plate, the upper end of driving plate is fixed with the ejector pad, the ejector pad inserts in the limiting plate, be equipped with locking spring between ejector pad and the transmission chamber left side wall, be equipped with the password wheel on the unblock subassembly, the unblock subassembly can promote the ejector pad and slide when. The utility model discloses have the function that the tool to lock life-span is high and the theftproof performance is good.

Description

Puzzle padlock

Technical Field

The present invention relates to a lock, and more particularly to a sealed padlock.

Background

The cipher padlock is an anti-theft appliance which is convenient for people to carry, and the application range is wide and popular.

At present, the Chinese patent with the publication number of CN208456292U discloses a combination padlock and a case adopting the combination padlock, which comprises an elastic part arranged in a lock shell and used for ejecting a lock hook, a combination lock arranged in the lock shell, a combination lock with a dial and a movable push rod, wherein the dial limits the action of the movable push rod in a locking state, a push button arranged at the bottom in the lock shell and contacted with the bottom end of the movable push rod, and a push block assembly arranged in the lock shell and contacted with the top end of the movable push rod, and the push block assembly is also connected with one end of the lock hook. When using this lock, through the cooperation of ejector pad subassembly with latch hook one side for latch hook rigidity realizes the closure of lock, but only makes the rigidity of latch hook through the removal of restriction latch hook one side, makes ejector pad subassembly and latch hook wear and tear easily and the theftproof effect is poor.

SUMMERY OF THE UTILITY MODEL

The utility model provides a to the not enough of prior art existence, the utility model provides a sealed padlock has the tool to lock function that life-span is high and theftproof performance is good.

In order to achieve the above purpose, the utility model provides a following technical scheme: a password padlock comprises an outer shell and a lock rod, wherein an inner shell is arranged in the outer shell, a locking assembly and an unlocking assembly used for controlling the locking assembly are arranged in the inner shell, an installation cavity is arranged in the inner shell, the upper end of the installation cavity is communicated with a transmission cavity, a first positioning groove and a second positioning groove are respectively arranged on the left side and the right side of the transmission cavity, the lock rod comprises a positioning rod inserted into the first positioning groove and an extension rod slidably connected with the second positioning groove, the positioning rod and the extension rod are connected through a connecting rod, the locking assembly comprises a limiting plate slidably connected in the inner shell, a sliding hole is formed in the limiting plate, the positioning rod is inserted into the sliding hole and is provided with a locking groove, a abdicating hole for inserting the limiting plate is formed in the left side of the first positioning groove, a reinforcing groove for inserting the limiting plate is formed, the upper end of driving plate is fixed with the ejector pad, and the ejector pad inserts in the limiting plate, be equipped with locking spring between ejector pad and the transmission chamber left side wall, be equipped with the password wheel on the unblock subassembly, when the password wheel rotates to the accuracy, the unblock subassembly can promote the ejector pad and slide.

By adopting the technical scheme, when the lock is locked, the positioning rod is inserted into the positioning groove, the locking spring is in a normal state at the moment, the left end of the limiting plate is matched with the locking groove, and the limiting plate is inserted into the reinforcing groove, so that the limiting plate is connected with the positioning rod and the extension rod at the same time, the locking rod is stressed on the left and right, the limiting plate is not easy to damage, the service life of the lock is prolonged, the unlocking difficulty is enhanced, and the anti-theft effect of the lock is improved; when the lock needs to be unlocked, the pushing block can be pushed to slide leftwards by moving the unlocking assembly leftwards, so that the left end of the limiting plate is embedded into the abdicating hole, the right end of the limiting plate is separated from the reinforcing groove, and the lock rod can be moved to unlock the lock.

The utility model discloses further set up to: the left side of ejector pad is equipped with the mounting groove, locking spring is located the mounting groove, the bottom of extension rod is equipped with auxiliary spring.

Through adopting above-mentioned technical scheme, locking spring places and makes locking spring be difficult for rocking in the mounting groove, improves the stability of tool to lock to when the limiting plate is connected with extension rod and locating lever simultaneously, ascending elasticity can be applyed to the locking lever to auxiliary spring, makes the limiting plate be connected inseparabler with extension rod and locating lever, and when the tool to lock takes place to rock, limiting plate and extension rod and the difficult separation of locating lever.

The utility model discloses further set up to: the lower end of the transmission plate is fixed with a transmission block, the transmission block is provided with a matching surface, the unlocking assembly comprises an unlocking assembly and a limiting groove, the limiting groove is internally and clearance-matched with a central block, the password wheel is connected to the outer side of the central block, the password wheel is exposed out of the inner shell, the inner side of the central block is provided with a placement groove and a limiting hole, an unlocking shaft penetrates through the limiting hole, the upper end of the unlocking shaft is inserted into the transmission cavity, the upper end of the unlocking shaft is provided with a guide surface, the lower end of the unlocking shaft is fixed with an auxiliary block, an unlocking spring is arranged between the auxiliary block and the central block at the lowest part, the lower end of the auxiliary block is fixed with an anti-rotation block, the anti-rotation block is clamped into the inner shell, the lower end of the anti-rotation block is fixed with a pressing block, the unlocking shaft is provided with a plurality of unlocking pieces, each unlocking piece comprises two unlocking blocks which are distributed on, when the unlocking spring is in a normal state, the unlocking piece is positioned in the placing groove.

Through adopting above-mentioned technical scheme, when needs unblock, rotate the password wheel and drive the center block and rotate, when the password is correct, the unlocking groove on each center block all corresponds with the position of unlocking the piece, can upwards press the pressing block this moment to make the epaxial removal of unblock and promote the transmission piece, and then make the transmission plate slide, then promote the limiting plate through the ejector pad and move to the left, make limiting plate and locking groove and enhancement groove separation, realize the unblock of tool to lock.

The utility model discloses further set up to: the left side of center block is fixed with the installation piece, and one side that the installation piece was faced the check lock lever is equipped with a plurality of touch grooves that correspond with the password wheel, and sliding connection has the touch piece in the touch groove, and the terminal surface that the touch piece was faced the password wheel is the sphere, and the touch piece is connected through the bottom of touch spring with the touch groove, and the circumference equipartition of password wheel has a plurality of contact grooves.

Through adopting above-mentioned technical scheme, when people rotated the password wheel, every rotation a password touch piece can retract touch groove and again pop into the touch groove once for the password wheel takes place slight vibration, let people in time know the password and rotate the touching when target in place and improve mediation password, touch the piece simultaneously and can play certain hindrance password wheel pivoted about, make rotate the password wheel to own required position after, the difficult change position of password wheel, the people's unblock tool to lock of being convenient for.

The utility model discloses further set up to: the password wheel cover is established in the center block outside and is connected with the inner shell rotation, the inboard equipartition of password wheel has a plurality of rotation grooves, the equipartition have four can with rotation groove complex rotor block on the circumference lateral wall of center block, the lower extreme of constant head tank is equipped with the unlocking hole, and the upside of the center block of top is equipped with the regulating plate, the regulating plate cover is established in the outside of unlocking the axle.

Through adopting above-mentioned technical scheme, when needs change the password, rotate each password wheel earlier and make the position of unblock groove correspond with the position of unblock piece to the tram, then insert in the constant head tank and pass the unblock hole and extrude the regulating plate downwards through the needle-like thing, the regulating plate promotes each center block downwards and slides, make the turning block and rotate the groove separation, rotatable password wheel regulation password can not drive the center block and rotate this moment, after the password wheel regulation finishes, take out the needle-like thing, make the center block upwards slide under the effect of unblock spring, thereby make turning block and turning groove cooperation, so make the position of unblock groove and unblock piece under the new password correspond, realize the regulation of password.

The utility model discloses further set up to: the last rotation of regulating plate is connected with the regulating wheel, and the position of regulating wheel corresponds with the unlocking hole, the upper end equipartition of regulating wheel has a plurality of regulation holes, the lower extreme of regulating wheel is fixed with adsorbs the piece, adsorbs the piece and adopts to have magnetic material to make, and the upper end of installation piece is equipped with the absorption groove, and the absorption inslot is embedded to have magnet.

Through adopting above-mentioned technical scheme, when modifying the password, can push down the regulating plate to with installation piece butt, make adsorb the piece embedding absorption inslot, then rotate the regulating wheel through the regulating hole and make the absorption piece receive magnet attraction, so make the rigidity of regulating plate, make people rotate the password wheel and need not to press the regulating plate for a long time when modifying the password, rotate the regulating wheel after the password modification finishes, make absorption piece stagger with magnet, thereby make center block and regulating plate can reply the normal position under the effect of unblock spring.

To sum up, the utility model discloses following beneficial effect has:

when the tool to lock locks, the limiting plate can lock the groove and the reinforcing groove cooperation with locking simultaneously for the left and right sides of locking lever all receives the restriction of limiting plate, reliability when having improved tool to lock locking, and make the equal atress not fragile about the limiting plate, improved the life-span of tool to lock.

Drawings

FIG. 1 is a schematic structural view of the present embodiment;

FIG. 2 is an exploded view of the present embodiment;

FIG. 3 is a schematic cross-sectional view highlighting the construction of the locking assembly and unlocking assembly of the present embodiment;

FIG. 4 is an enlarged schematic view of FIG. 3 at A;

fig. 5 is an exploded view highlighting the unlocking shaft, center block and combination wheel of the present embodiment.

Reference numerals: 1. a housing; 2. a lock lever; 3. an inner shell; 4. a locking assembly; 5. an unlocking assembly; 21. positioning a rod; 22. an extension rod; 23. a connecting rod; 211. a locking groove; 221. a reinforcing groove; 31. a mounting cavity; 32. a transmission cavity; 33. a first positioning groove; 34. a second positioning groove; 311. a limiting groove; 331. a hole of abdication; 332. unlocking the hole; 341. an auxiliary spring; 41. a limiting plate; 42. a drive plate; 43. a transmission block; 44. a push block; 45. a locking spring; 411. a slide hole; 421. mounting grooves; 51. a center block; 52. a password wheel; 53. unlocking the shaft; 54. an unlocking spring; 55. unlocking the lock; 56. mounting blocks; 57. a touch block; 58. a touch spring; 59. an adjusting plate; 511. rotating the block; 512. a placement groove; 513. a limiting hole; 514. unlocking the groove; 521. a rotating groove; 522. a contact groove; 531. an auxiliary block; 532. a rotation prevention block; 533. a pressing block; 551. unlocking the block; 561. a touch slot; 562. an adsorption tank; 563. a magnet; 591. an adjustment wheel; 592. an adjustment hole; 593. and (5) adsorbing the block.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The embodiment discloses a combination padlock, which comprises an outer shell 1 and a lock rod 2, wherein an inner shell 3 is arranged in the outer shell 1, and a locking assembly 4 and an unlocking assembly 5 for controlling the locking assembly 4 are arranged in the inner shell 3, as shown in fig. 1 to 5.

An installation cavity 31 is arranged in the inner shell 3, the upper end of the installation cavity 31 is communicated with a transmission cavity 32, and the left side and the right side of the transmission cavity 32 are respectively provided with a first positioning groove 33 and a second positioning groove 34.

The lock lever 2 includes a positioning rod 21 inserted into the first positioning groove 33 and an extension rod 22 slidably connected to the second positioning groove 34, the positioning rod 21 and the extension rod 22 are connected by a connecting rod 23, and an auxiliary spring 341 is provided at the bottom of the extension rod 22. Locking subassembly 4 includes the limiting plate 41 of sliding connection in inner shell 3, and the both ends insert first constant head tank 33 and second constant head tank 34 respectively about limiting plate 41, are equipped with slide opening 411 on limiting plate 41, and in locating rod 21 inserted slide opening 411, are equipped with locking groove 211 on locating rod 21, are equipped with the hole 331 of stepping down that supplies limiting plate 41 to insert on the left side of first constant head tank 33. The extension rod 22 is provided with a reinforcing groove 221 into which the stopper plate 41 can be inserted.

There is driving plate 42 at transmission chamber 32 interior side by side sliding connection, driving plate 42's lower extreme is fixed with driving block 43, driving plate 42's upper end is fixed with ejector pad 44, ejector pad 44 inserts in limiting plate 41, ejector pad 44's left side is equipped with mounting groove 421, be equipped with locking spring 45 in the mounting groove 421, locking spring 45's one end and transmission chamber 32's left side wall butt, the other end and ejector pad 44 butt, when locking spring 45 is in normal condition, limiting plate 41's left end inserts and locks in the groove 211, spacing groove 311's right-hand member inserts in the reinforcing groove 221, thereby make locating lever 21 and extension rod 22 all unable removal, both ends all receive the restriction about locking and locking lever 2 that realizes the tool to lock, make locking lever 2 atress more even, and need be not fragile when the unblock with limiting plate 41 simultaneously with lock groove 211 with strengthen the groove 221 separation, the theftproof effect has been improved.

A plurality of limiting grooves 311 are formed in the mounting cavity 31 from top to bottom, the unlocking assembly 5 comprises a central block 51 in clearance fit with the limiting grooves 311, a password wheel 52 is sleeved on the outer side of the central block 51, and the password wheel 52 is exposed out of the inner shell 3 and the outer shell 1. The combination wheel 52 is rotatably connected with the inner shell 3 and can not slide up and down, a plurality of rotating grooves 521 are uniformly distributed on the inner side of the combination wheel 52, and four rotating blocks 511 which can be matched with the rotating grooves 521 are uniformly distributed on the circumferential side wall of the central block 51.

The inner side of the central block 51 is provided with a placing groove 512 and a limiting hole 513, an unlocking shaft 53 penetrates through the limiting hole 513, the upper end of the unlocking shaft 53 is inserted into the transmission cavity 32, the upper end of the unlocking shaft 53 is provided with a guide surface, the lower end of the transmission block 43 is provided with an auxiliary surface, when the unlocking shaft 53 moves upwards, the transmission block 43 can be pushed to move leftwards, the limiting plate 41 can be separated from the locking groove 211 and the reinforcing groove 221 at the same time, and the lock is unlocked. An auxiliary block 531 is fixed to the lower end of the unlocking shaft 53, an unlocking spring 54 is provided between the auxiliary block 531 and the lowermost center block 51, an anti-rotation block 532 is fixed to the lower end of the auxiliary block 531, the anti-rotation block 532 is clamped into the inner housing 3, and a pressing block 533 is fixed to the lower end of the anti-rotation block 532. Be equipped with multiunit unlocking piece 55 at unblock axle 53, every group unlocking piece 55 contains two unlocking pieces 551 and is 90 degrees contained angles and distributes on the circumference lateral wall of unblock axle 53, is equipped with on the circumference lateral wall of spacing hole 513 and is used for unlocking piece 551 complex unlocking groove 514, and when unblock spring 54 was in normal condition, unlocking piece 55 was located standing groove 512.

When needing the unblock, thereby rotate password wheel 52 and drive centre block 51 and rotate, when the password is correct, the position of unblock groove 514 all corresponds with unblock groove 514 on each centre block 51, press down this moment and press a block 533 and make unblock axle 53 shift up and can make limiting plate 41 can separate with locking groove 211 and reinforcing groove 221 simultaneously, realize the unblock of tool to lock, it resets under the left and right sides of unblock spring 54 after loosening unblock axle 53, when the password input is incorrect, the position of unblock groove 514 and unblock piece 551 do not correspond unable removal this moment and unblock axle 53 unblock.

A mounting block 56 is fixed on the left side of the center block 51, a plurality of touch grooves 561 corresponding to the code wheel 52 are arranged on one side of the mounting block 56 facing the locking rod, a touch block 57 is connected in the touch grooves 561 in a sliding manner, the end face of the touch block 57 facing the code wheel 52 is a spherical surface, the touch block 57 is connected with the bottom of the touch grooves 561 through a touch spring 58, and a plurality of contact grooves 522 are uniformly distributed on the circumference of the code wheel 52. When people rotate the password wheel 52, each time one password touch block 57 is rotated, the password touch block retracts into the touch groove 561 and rebounds into the touch groove 522 once, so that the password wheel 52 slightly vibrates, people can know that the password is rotated in place in time, and the hand feeling of password adjustment is improved.

An adjusting plate 59 is arranged on the upper side of the uppermost central block 51, the adjusting plate 59 is sleeved on the outer side of the unlocking shaft 53, an unlocking hole 332 is arranged at the lower end of the positioning groove, an adjusting wheel 591 is connected to the adjusting plate 59 in a rotating mode, a plurality of adjusting holes 592 are evenly distributed at the upper end of the adjusting wheel 591, an adsorption block 593 is fixed at the lower end of the adjusting wheel 591, the adsorption block 593 is made of magnetic materials, an adsorption groove 562 is arranged at the upper end of the mounting block 56, and a magnet 563 is embedded in the adsorption groove 562.

When the password needs to be changed, the password is rotated correctly, so that each unlocking block 551 corresponds to the unlocking groove 514, the password is inserted into the positioning groove through the needle-shaped object and passes through the unlocking hole 332 to enter and exit the adjusting hole 592, the adjusting plate 59 is pressed downwards to enable the adsorbing block 593 to be embedded into the adsorbing groove 562, then the adjusting block is rotated to enable the adsorbing block 593 to correspond to the magnet 563, so that the adjusting plate 59 is fixed in position, each central block 51 slides downwards under the action of the adjusting plate 59, the rotating block 511 is separated from the rotating groove 521, the password adjusting wheel 52 is adjusted to modify the password, the central block 51 cannot be driven to rotate, the adjusting block is rotated to enable the adsorbing block 593 to be staggered with the magnet 563 after the adjustment is finished, and at the moment, the central block 51 and the adjusting plate 59 can be reset under the action of the unlocking.

The above description is only the preferred embodiment of the present invention, and is not intended to limit the present invention, any modification, equivalent replacement, or improvement made within the design concept of the present invention should be included within the protection scope of the present invention.

Claims (6)

1. A combination padlock comprising a housing (1) and a locking bar (2), characterized in that: be equipped with inner shell (3) in shell (1), be equipped with locking Assembly (4) in inner shell (3) and be used for controlling unblock subassembly (5) of locking Assembly (4), be equipped with installation cavity (31) in inner shell (3), the upper end intercommunication of installation cavity (31) has transmission chamber (32), and the left and right sides of transmission chamber (32) is equipped with first constant head tank (33) and second constant head tank (34) respectively, locking lever (2) including insert in first constant head tank (33) locating lever (21) and with second constant head tank (34) sliding connection's extension rod (22), locating lever (21) and extension rod (22) pass through connecting rod (23) and connect, locking Assembly (4) include limiting plate (41) of sliding connection in inner shell (3), be equipped with sliding hole (411) on limiting plate (41), locating lever (21) insert in sliding hole (411), be equipped with locking groove (211) on locating lever (21), the left side of first locating groove (33) is equipped with and supplies limiting plate (41) male hole of stepping down (331), be equipped with on extension rod (22) and supply limiting plate (41) male strengthening groove (221), horizontal sliding connection has driving plate (42) in transmission chamber (32), the upper end of driving plate (42) is fixed with ejector pad (44), and ejector pad (44) insert in limiting plate (41), be equipped with locking spring (45) between ejector pad (44) and transmission chamber (32) left side wall, be equipped with password wheel (52) on unblock subassembly (5), when password wheel (52) rotate to the correct position, unblock subassembly (5) can promote ejector pad (44) and slide.

2. A combination padlock as claimed in claim 1, wherein: the left side of ejector pad (44) is equipped with mounting groove (421), locking spring (45) are located mounting groove (421), the bottom of extension rod (22) is equipped with auxiliary spring (341).

3. A combination padlock as claimed in claim 2, wherein: the lower extreme of driving plate (42) is fixed with transmission piece (43), be equipped with the fitting surface on transmission piece (43), unblock subassembly (5) including unblock subassembly (5) with spacing groove (311) internal clearance join in marriage center block (51), password wheel (52) are connected in the outside of center block (51), password wheel (52) expose from inner shell (3), the inboard of center block (51) is equipped with standing groove (512) and spacing hole (513), wear to be equipped with in spacing hole (513) and unlock axle (53), the upper end of unlocking axle (53) inserts in transmission chamber (32), the upper end of unlocking axle (53) is equipped with the spigot surface, the lower extreme of unlocking axle (53) is fixed with auxiliary block (531), be equipped with between auxiliary block (531) and center block (51) of below, the fixed anti-rotation block (532) of lower extreme of auxiliary block (531), anti-rotation block (532) card is gone into in inner shell (3), prevent that the lower extreme of commentaries on classics piece (532) is fixed with presses briquetting (533), unblock axle (53) are equipped with multiunit unblock piece (55), every group unblock piece (55) contain two unblock pieces (551) and are 90 degrees contained angles and distribute on the circumference lateral wall of unblock axle (53), be equipped with on the circumference lateral wall of spacing hole (513) and be used for and unblock piece (551) complex unblock groove (514), when unblock spring (54) is in normal condition, unblock piece (55) are located standing groove (512).

4. A combination padlock as claimed in claim 3, wherein: the left side of center block (51) is fixed with installation piece (56), one side that installation piece (56) faced the check lock lever is equipped with a plurality of touch grooves (561) that correspond with password wheel (52), sliding connection has touch block (57) in touch groove (561), the terminal surface that touch block (57) faced password wheel (52) is the sphere, touch block (57) are connected with the bottom in touch groove (561) through touch spring (58), the circumference equipartition of password wheel (52) has a plurality of contact grooves (522).

5. A combination padlock as claimed in claim 4, wherein: password wheel (52) cover is established in the center block (51) outside and is rotated with inner shell (3) and be connected, the inboard equipartition of password wheel (52) has a plurality of rotation grooves (521), and the equipartition has four can with rotate groove (521) complex turning block (511) on the circumference lateral wall of center block (51), the lower extreme of constant head tank is equipped with unlocking hole (332), and the upside of the center block (51) of top is equipped with regulating plate (59), the outside at unlocking shaft (53) is established to regulating plate (59) cover.

6. A combination padlock as claimed in claim 5, wherein: adjusting plate (59) are gone up to rotate and are connected with regulating wheel (591), and the position and the unlocking hole (332) of regulating wheel (591) correspond, the upper end equipartition of regulating wheel (591) has a plurality of regulation holes (592), the lower extreme of regulating wheel (591) is fixed with adsorbs piece (593), adsorbs piece (593) and adopts the material that has magnetism to make, and the upper end of installation piece (56) is equipped with adsorption tank (562), and adsorption tank (562) is embedded to have magnet (563).

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