CN200968114Y - Anti-picking padlock - Google Patents

Abstract

The utility model relates to a lock, in particular to an anti-pry padlock preventing a thief from opening, including a lock body, a lock hook and a lock core; the upper part of the lock body is provided with a convex, one side of the convex is provided with a lock hook strengthening protection groove that inosculates with an inner ring of the lock hook, and the inner ring of the lock hook is in the lock hook strengthening protection groove and can move along the lock hook strengthening protection groove. After locking, the gap between the lock body and the door latch button is very small, a thief can not use sticks for lockpicking; the lock hook is in the lock hook strengthening protection groove, and the thief wrests twist the lock hook nowhere, and the lock hook strengthening protection groove packs most of the lock hook, increasing the thickness of the site greatly, enhancing the anti-shear performance of the lock hook. The utility model has a reasonable structure, and is easily used, affordable and practical, mature and reliable, and can prevent pry, twist, shear or opening.

Description

The pick-proof padlock

Technical field the utility model relates to a kind of lockset, particularly a kind of pick-proof padlock that can prevent that the robber from opening.

Background technology is present, and lock road and key in the padlock of Xiao Shouing on the market, lock core all are tabular, are easy to be opened by master key; In addition, the space between lock body and the latch hook is too big, is easy to be pried open, and latch hook is turned on, cut off easily.Padlock is again the requisite a kind of locksets in gate such as people's life house, garage, room institute, therefore is necessary to provide a kind of safe pick-proof padlock of guaranteeing.

The utility model content the technical problems to be solved in the utility model provides a kind of rational in infrastructure, easy to use, and material benefit is practical, can be effectively antitheft, guarantee the safety pick-proof padlock.

It is as follows that the utility model solves the problems of the technologies described above the technical scheme of being taked: a kind of pick-proof padlock; comprise lock body, latch hook and lock core; it is characterized in that: lock body top is provided with projection; the projection side be provided with latch hook in the latch hook that coincide of ring strengthen the protection groove, the interior ring of latch hook is positioned at latch hook and strengthens the protection groove and can strengthen the protection groove along latch hook and move.

Adopt technique scheme, because lock body top is provided with projection, the space between latch hook and the lock body reduces greatly, the size in this space gets final product with the keeper snap close that can pass door device, after locking, the space between lock body and the keeper snap close is very little, and the burglar can not use the club picking lock; Since protruding side also be provided with latch hook in the latch hook that coincide of ring strengthen the protection groove, latch hook is positioned at latch hook and strengthens the protection groove, like this, burglar's latch hook of setting about nowhere to turn on; Also strengthen the protection groove because latch hook is positioned at latch hook, latch hook is strengthened the protection groove with the most of parcel of latch hook, and latch hook does not expose, and has increased the thickness at this position greatly, plays the effect of protection latch hook, has strengthened the shear behavior of latch hook, and variable force is pressed and also cut.The utility model is a kind of rational in infrastructure, easy to use thus, and material benefit is practical, energy pick-proof, anti-stubborn, the anti-pick-proof padlock of cutting.The utility model technology maturation is reliable, has manufactured experimently one sample locked, and has described functional effect really.

Description of drawings Fig. 1 is a structural representation of the present utility model,

Fig. 2 is the A-A sectional view of Fig. 1,

Fig. 3 be the K of Fig. 1 to view,

Fig. 4 is the B-B sectional view of Fig. 1

Fig. 5 is the C-C sectional view of Fig. 1

The structural representation of Fig. 6 key,

Fig. 7 is the D-D view of Fig. 6.

Among the figure: the 1-lock body, the 101-projection, the 102-latch hook is strengthened the protection groove, 103-cavity volume, the lock hole of bead, a 104-left side; the right lock of the 105-hole of bead, 2-latch hook, 3-lock core, 301U connected in star; 302-right angle groove, 303-locks the road, and 4-compresses spring, 5-pin; 6-dead bolt reversed column, 601-dead bolt reversed column groove, 602-plush copper, 7-spring; the 8-spacer pin, 9-lock pearl spring, 10-locks pearl, 11-connecting pin; the 12-dead bolt, the 13-latch bolt spring, the 14-key, 15-strengthens dead bolt.

The specific embodiment is as shown in Figure 1: a kind of pick-proof padlock comprises lock body 1, latch hook 2 and lock core 3; Lock body 1 is provided with cavity volume 103, and compression spring 4 is equipped with in cavity volume 103 bottoms, and latch hook 2 is connected with lock body 1 with the link distribution 5 of lock body 1; Lock body 1 top is provided with projection 101, and projection 101 preferably is made into the shape of a saddle shown in Figure 1; Referring to Fig. 2: protruding 101 sides be provided with and latch hook 2 in the latch hooks that coincide of ring strengthen protection grooves 102, the interior ring of latch hook 2 is positioned at latch hook and strengthens protection groove 102 and can strengthen protection groove 102 along latch hook and move.

As of the present utility model perfect, for increasing its anti-open function.As shown in Figure 1: lock core 3 upper ends are provided with U-shaped groove 301, and dead bolt reversed column 6 is equipped with in lock core 3 tops, and referring to Fig. 4: dead bolt reversed column 6 upper ends are provided with dead bolt reversed column groove 601, and the connecting pin 11 that is equipped with in the dead bolt reversed column groove 601 is connected dead bolt reversed column 6 with lock body 2; Dead bolt reversed column 6 lower ends are provided with the plush copper 602 that can insert U-shaped groove 301, and spring 7 is housed in the U-shaped groove 301, the upper end of spring 7 and plush copper 602 apical graftings; Referring to Fig. 5: the two ends of latch hook 2 (being latch hook 2 and the link and the opening end of lock body 1) all is provided with locked groove, two dead bolts 12 are housed in the lock body 1, dead bolt 12 ends are equipped with latch bolt spring 13, two dead bolts 12 and dead bolt reversed column 6 removable touching, when dead bolt reversed column 6 when unblanking to rotate, dead bolt reversed column 6 overcomes the elastic force of latch bolt spring 13, stirring dead bolt 12 moves inward, lock core 3 bottoms are provided with right angle groove 302, the spacer pin 8 that is equipped with in the right angle groove 302 is connected lock core 3 with lock body 2, lock core 3 can upper and lower displacement in lock body 1, the displacement of lock core 3 is the height H of right angle groove 302, the displacement of lock core 3 is advisable with five millimeters, in the lock body 1, the left and right sides of lock core 3 is respectively equipped with the lock hole of bead, five row left sides 104 and the right lock hole of bead 105, the lock hole of bead 104, a left side is lower than the right lock hole of bead 105, in the left side lock hole of bead 104 and the right lock hole of bead 105 all device lock pearl spring 9 is arranged and locks pearl 10, referring to Fig. 3, the lock road 303 of lock core 3 is provided with 120 °～145 ° angle α, angle α is the best with 135 °, referring to Fig. 6 and Fig. 7: the cross section of key 14 is corresponding with lock road 303, and key 14 left and right sides are provided with key bit.Like this, when unblanking with key 14 insertion lock cores, after lock pearl 10 elder generations of being equipped with in the lock hole of bead 104, five row left sides and key bit align and coincide, lock core 3 the tension force that overcomes spring 7 under the promotion of key 14 to lock body 1 enter five millimeters and with the right lock of the five rows hole of bead 105 in the lock pearl 10 of being equipped with align identical, simultaneously, the U-shaped groove 301 of lock core 3 upper ends also clamps the plush copper 602 that dead bolt reversed column 6 lower ends are provided with, screw key 14 to the right, the tension force that dead bolt reversed column 6 overcomes latch bolt spring 13 makes it retraction, latch hook 2 pops up under the tension force of compression spring 4, be that padlock is opened, after the unlatching, lock core 3 moves down five millimeters returns under the tension force of spring 7.Because lock road 303 is not a tabular with key 14, but is certain included angle α, master key can't be opened, thereby has increased anti-open function of the present utility model.

Further perfect as the utility model, there are two to strengthen dead bolts 15 in the increase of protruding 101 places, with further reinforcement firm, safe effect of the present utility model.

More than provided embodiment of the present utility model, but do not meaned restriction of the present utility model, can be as the lock hole of bead, a left side 104 and the right lock hole of bead 105 greater or less than five rows, the displacement of lock core 3 can be greater or less than five millimeters.Should think that every lock body 1 top is provided with projection 101, the distortion that protruding 101 sides are provided with any padlock of the latch hook reinforcement protection groove 102 that coincide with latch hook 2 interior rings all should belong to protection domain of the present utility model.

Claims (5)

1, a kind of pick-proof padlock; comprise lock body, latch hook and lock core; it is characterized in that: described lock body (1) top is provided with projection (101); described projection (101) side is provided with the latch hook that coincide with the interior ring of described latch hook (2) and strengthens protection groove (102), and the interior ring of described latch hook (2) is positioned at described latch hook reinforcement protection groove (102) and can strengthens protection groove (102) along described latch hook mobile.

2, a kind of pick-proof padlock as claimed in claim 1, it is characterized in that: described lock core (3) upper end is provided with U-shaped groove (301), dead bolt reversed column (6) is equipped with in described lock core (3) top, described dead bolt reversed column (6) upper end is provided with dead bolt reversed column groove (601), the connecting pin (11) that is equipped with in the described dead bolt reversed column groove (601) is connected described dead bolt reversed column (6) with described lock body (2), described dead bolt reversed column (6) lower end is provided with the plush copper (602) that can insert described U-shaped groove (301), spring (7) is housed, the upper end of described spring (7) and described plush copper (602) apical grafting in the described U-shaped groove (301); Described lock core (3) bottom is provided with right angle groove (302), the spacer pin (8) that is equipped with in the described right angle groove (302) is connected described lock core (3) with described lock body (2), described lock core (3) can upper and lower displacement in described lock body (1), the displacement of described lock core (3) is the height H of described right angle groove (302), in the described lock body (1), the left and right sides of described lock core (3) is respectively equipped with the five row lock hole of beads, a left side (104) and the right lock hole of bead (105), the described lock hole of bead, a left side (104) is lower than the described right lock hole of bead (105), in the described left side lock hole of bead (104) and the described right lock hole of bead (105) all device lock pearl spring (9) is arranged and locks pearl (10), the lock road (303) of described lock core (3) is provided with 120～145 ° of angle α, the cross section of key (14) is corresponding with described lock road (303), and described key (14) left and right sides is provided with key bit.

3, a kind of pick-proof padlock as claimed in claim 2, it is characterized in that: the two ends of described latch hook (2) all are provided with locked groove, two dead bolts (12) are housed in the described lock body (1), described dead bolt (12) end is equipped with latch bolt spring (13), two described dead bolts (12) and removable the touching of described dead bolt reversed column (6).

4, as claim 2 or 3 described a kind of pick-proof padlocks, it is characterized in that: described projection (101) is equipped with strengthens dead bolt (15).

5, a kind of pick-proof padlock as claimed in claim 4, it is characterized in that: described projection (101) is the shape of a saddle.

Images