CN104033044A - Padlock convenient to open - Google Patents

Abstract

The invention mainly discloses a padlock convenient to open. The padlock comprises a lock bar, wherein one end of the lock bar is provided with an inward-concave lock groove and embedded in a lock shell, a spring bolt is arranged in the lock shell and matched with the lock groove, a lock hole is formed in the lock shell, the portion, embedded into the lock shell, of a key of the padlock is a cylinder, a cavity is formed in the surface of the cylinder, a jagged protrusion part is arranged in the cavity, the cross section of the lock hole is round, and a clutch mechanism control spring bolt is arranged in the lock shell. Because the key is cylindrical, the key can be inserted into the lock hole at any angle, and the clutch mechanism control spring bolt is driven when the key is rotated in the unlocking process so that the padlock can be opened. The padlock has the advantages that the key can be inserted into the lock hole at any angle, operation is facilitated, a user does not need to deliberately align the key with the lock hole particularly in a dark light environment, and the padlock can be opened at a certain angle.

Description

A kind of padlock of conveniently unblanking

Technical field

The present invention relates to a kind of padlock.

Background technology

At present, application is very extensive in daily life for padlock, modal padlock is made up of lock housing and bolt exactly, bolt can embed in lock housing, and with key operated, common key live part is tabular substantially, side is jagged lock tooth, but this type of padlock has certain drawback, first while unblanking, being with jagged lock tooth one side must aim at after keyhole could insert and rotate unblanks, in the situation that light is bad, key is difficult to aim at keyhole, secondly, jagged lock tooth is outside exposed, easily wearing and tearing, once wearing and tearing, key just can not be unblanked.

Summary of the invention

The technical issues that need to address of the present invention are, a kind of padlock of conveniently unblanking is provided, and have solved conventional lockset and in the time unblanking, key and keyhole need to have been aimed to the trouble of unblanking especially to become in the bad situation of problem, particularly light that a certain angle could insert and unblank.

Technical scheme of the present invention is: a kind of padlock of conveniently unblanking, comprise bolt, bolt one end is provided with the locked groove of indent and embeds in lock housing, in lock housing, be provided with the dead bolt matching with described locked groove, lock housing bottom is provided with lockhole, described lockhole is circular, what the key of this padlock inserted lockhole partial response is cylinder, periphery is provided with bar-shaped trough, in bar-shaped trough, be provided with jagged jut, described dead bolt is provided with the lock tooth matching with jut, between lock tooth and lock-shell lining, be provided with back-moving spring, when jut and the interlock of lock tooth, key drives dead bolt to rotate and makes it to depart from locked groove.

Preferably, described lock tooth one end is interspersed in lockhole inwall, surface is the male and fomale(M&F) coordinating with jut, the lock width of tooth and the width of bar-shaped trough are consistent, and the lock tooth other end connects tapered end, and tapered end can embed locked groove, because lock tooth surface coordinates with jut on the key, in the time that key inserts lockhole completely, lock tooth part can embed in bar-shaped trough on the key, is integrated with bar-shaped trough.

Preferably, it is spacing that described lock tooth and lockhole inwall contact surface place are provided with step, and the spacing moving range that can limitation lock tooth of step prevents its excessively displacement and cause tapered end to depart from locked groove.

Preferably, gapped between tapered end described in when padlock locking and locked groove, clearance distance is greater than the height of locking tooth, like this in the time that key inserts lockhole, even if lock tooth is not aimed at the position at bar-shaped trough place, the existence in this gap can allow dead bolt toward locked groove one side shifting, to ensure that key can insert lockhole.

Preferably, the height of described jut is less than the degree of depth of bar-shaped trough, to ensure that jut does not exceed periphery, while allowing key insert lockhole, can not be interfered.

Preferably, described dead bolt is provided with the groove of placing spring, and described lock-shell lining is provided with the counterbore of placing back-moving spring, can prevent that back-moving spring from departing from.

Preferably, described key top is cone, and the design of cone has become guide effect can allow key insert lockhole time, in the time that light is bad, more easily inserts.

Adopt after technique scheme, tool of the present invention has the following advantages: the key design of padlock is become to cylinder, lockhole in lock housing is also made as to circle, in the time that inserting lockhole, key needn't aim at a certain angle like this, can realize the accessible insertion of 360 degree full angle, particularly when light is bad, without deliberately going alignment angle, and protuberance is on the key embedded in cylinder, can ensure that it is not easy to wear.

Brief description of the drawings

Accompanying drawing 1 is internal structure schematic diagram of the present invention;

The overall schematic that accompanying drawing 2 is key;

Schematic diagram when accompanying drawing 3 has just inserted lockhole for key leading section;

Accompanying drawing 4 be in Fig. 1 by A to cross-sectional schematic.

Detailed description of the invention

Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described further:

As depicted in figs. 1 and 2, the present invention is mainly made up of key 4 and lock housing 2, lock housing 2 bottoms are provided with the lockhole 21 inserting for key, in this example, to insert lockhole part be cylinder to key 4, described lockhole 21 cross sections are also circular, and radius is slightly larger than cylindrical radius, the periphery of key 4 is provided with bar-shaped trough 43, in bar-shaped trough 43, be provided with jut 41, the highest height of projection of jut 41 is less than the degree of depth of bar-shaped trough 43, be no more than periphery with the height that ensures jut 41, like this design when allowing key 4 insert lockhole without interference, for key 4, to insert lockhole more convenient, accurately, in this example, the top design of key 4 becomes cone, cone has certain guide effect in the time inserting lockhole by key, simultaneously, in lock housing 2, be fixed with bolt 1, bolt 1 is U-shaped shape, cross section is circular.In the time of locking, U-shaped shorter one end embeds in lock housing 2, and longer one end is provided with the locked groove 11 of indent, in lock housing 2, be provided with the dead bolt 3 matching with locked groove 11, lock housing 2 is provided with lockhole, dead bolt 3 is made up of tapered end 32 and lock tooth 31 two parts, with locked groove 11 mating parts be tapered end 32, tapered end 32 front ends embed in locked groove 11, and leave gap H, this gap is greater than the height h1 of lock tooth male and fomale(M&F), lock tooth 31 1 sides connect tapered end 32, opposite side interts in lockhole 21 inwalls, this side surface is male and fomale(M&F), and concavo-convex degree and jut 41 match, the width 312 of lock tooth is consistent with the bar-shaped trough width on described key 4, described lock tooth 31 is provided with step spacing 311 with lockhole inwall contact surface place, step spacing 311 has limited the moving range of lock tooth, preventing from locking tooth over-travel causes tapered end 32 to depart from locked groove 11, between described dead bolt 3 and lock-shell lining, be provided with spring, dead bolt 3 energy Free Compressions when guarantee key 4 inserts lockhole, in order to ensure that spring does not depart from, on dead bolt 3, be provided with the groove 33 of placing back-moving spring, also be provided with at lock-shell lining the counterbore 22 that can place back-moving spring simultaneously.

Fig. 3 is the schematic diagram of key leading section while just having inserted lockhole, known in figure, in the time that the cone of key leading section has just inserted lockhole, dead bolt can be toward moving right, now the gap H between tapered end 32 and locked groove 11 dwindles, and all inserts lockhole, for key 4 in the time that key all enters lockhole, lock tooth is embedded in bar-shaped trough, and now the gap H between tapered end and locked groove returns to initial distance.

Fig. 4 be in Fig. 1 along A to cross-sectional schematic, a schematic diagram of unblanking for the present invention, as user by key 4 along arbitrarily angled insertion lockhole 21, now locking tooth 31 can be subject to the pressure of periphery and move right, be that tapered end 32 is toward locked groove 11 1 side shiftings, because gapped between tapered end 32 and locked groove 11, and gap H is greater than the height of lock tooth male and fomale(M&F), so when lock tooth 32 is squeezed Shi Buhui because clearance distance can not be moved by dieback not by key 4, in the time that key 4 inserts lockhole 21 completely, lock tooth 32 is fully compressed, now rotate key 4, until lock tooth 32 is aimed at the protuberance 41 on key 4, due to the elastic force effect of back-moving spring, lock tooth 32 can embed in the bar-shaped trough of key 4, and coordinate completely with protuberance 41, now lock tooth 32 and merge one with key 4, then be rotated further key 4, because lock tooth 32 merges with key 4, so lock tooth 32 also and then rotates, then tapered end 32 departs from locked groove 11, as lock-off groove 11 completely of the dotted portion dead bolt 3 ' in Fig. 3, bolt 1 now can be extracted from lock housing, complete and unblank, while shutting, rotate backward key 4, tapered end 32 proceeds in locked groove again, extract key 4.

Below only just the present invention preferably example be described, but can not be interpreted as it is limitations on claims.The present invention not only limits to and above example, and its concrete structure allows to change, and those skilled in the art can make according to the present invention various changes and distortion, only otherwise depart from spirit of the present invention, all should belong to the defined scope of claims of the present invention.

Claims (7)

1. a padlock of conveniently unblanking, comprise bolt (1), bolt one end is provided with the locked groove (11) of indent and embeds in lock housing (2), in lock housing (2), be provided with the dead bolt (3) matching with described locked groove (11), lock housing bottom is provided with lockhole (21), it is characterized in that: described lockhole (21) is for circular, it is cylinder that the key (4) of this padlock inserts lockhole fore-end, periphery is provided with bar-shaped trough (43), in bar-shaped trough (43), be provided with jagged jut (41), described dead bolt (3) is provided with the lock tooth (31) matching with jut (41), between lock tooth (31) and lock housing (2) inwall, be provided with back-moving spring, when jut (41) and the interlock of lock tooth, key drives dead bolt to rotate and makes it to depart from locked groove (11).

2. padlock of conveniently unblanking according to claim 1, it is characterized in that: described lock tooth (31) one end is interspersed in lockhole (21) inwall, surface is the male and fomale(M&F) coordinating with jut (41), the width (312) of lock tooth is consistent with the width of bar-shaped trough (43), the lock tooth other end connects tapered end (32), and tapered end can embed locked groove (11).

3. padlock of conveniently unblanking according to claim 2, is characterized in that: described lock tooth (31) is provided with step spacing (311) with lockhole inwall contact surface place.

4. padlock of conveniently unblanking according to claim 3, is characterized in that: between the tapered end (32) described in when padlock locking and locked groove gapped (H), clearance distance is greater than the height (h1) of lock tooth male and fomale(M&F).

5. padlock of conveniently unblanking according to claim 4, is characterized in that: the height of described jut (41) is less than the degree of depth of bar-shaped trough (43).

6. padlock of conveniently unblanking according to claim 5, is characterized in that: described dead bolt (3) is provided with the groove (33) of placing back-moving spring, and described lock-shell lining is provided with the counterbore (22) of placing back-moving spring.

7. padlock of conveniently unblanking according to claim 6, is characterized in that: described key (4) top is cone (42).