CN2697240Y - Blade type insert-core theft-proof lock - Google Patents

Abstract

The utility model discloses a blade type insert-core theft-proof lock, comprising a lock body, a lock tongue, a lock-tongue opening device, a diagonal tongue and a diagonal tongue opening device. The lock-tongue opening device comprises a lock head, and the lock head is composed of a lock head body and a lock core which is arranged in the lock head body. The lock head body is provided with a shifting fork groove in radical direction. The lock head body and the lock core are provided with a blade groove along radical direction at the position matched with the shifting fork groove. The blade groove is communicated with a keyhole. The lock core is orderly provided with a cam shifting fork of the diagonal tongue, a notched circular supporting plate and a cam shifting fork of the lock tongue at the position corresponding to the shifting fork groove. The lock body is provided with a sliding plate at the position matched with the lock head, and the sliding plate is fixedly connected with a blade guide pin. A blade is provided with an H-shaped guide pin groove. The blade guide pin is inserted in H-shaped guide pin groove on the blade and can slide relatively. The blade is hinged with the lock body. Therefore, the utility model has double theft-proof insurance of a spring lock and a blade lock.

Description

A kind of vane type lock pin theftproof lock

Affiliated technical field

The utility model relates to a kind of mechanical lock, specifically is a kind of vane type lock pin theftproof lock.

Background technology

Existing widely used lock pin mechanical cylinder lock only utilizes tapered end pellet shot from a slingshot partly antitheft, is easy to be opened by foreign matters such as master keys, and its theftproof performance is relatively poor.And already used blade lock, blade is installed in lock body, utilizes blade to replace ball lock head antitheft, therefore do not have lock head device, use in the near future, inconsistent phenomenon will appear in keyhole on the decoration panel and the key film perforation on the lock body, when unblanking to lock, and the more difficult plug of key, add and do not have mechanical lock head, the keyhole location is inaccurate, and the matching of key teeth and blade is poor, causes the difficulty of locking of unblanking; Owing to do not have tapered end and tapered end to dial hairpin, the direct transmission dead bolt of teeth of unblanking to lock and can only lean on the key both sides, key is wide then to be influenced it and carries and attractive in appearance; Narrower, then unblanking to lock needs more gear just can reach desirable effect, and easy like this causing used confusion; Simultaneously, only unblank to lock by the direct transmission dead bolt of key, then must guarantee the intensity of key, key need design thick, and keyhole also increases thereupon, and its secrecy is reduced.

The utility model content

The purpose of this utility model provides a kind ofly to be had cylinder lock and blade lock double insurance structure, keyhole accurate positioning, plug key and is easy to vane type lock pin theftproof lock.

For achieving the above object, the utility model vane type lock pin theftproof lock, comprise the lock main body, dead bolt, the dead bolt opening device, tiltedly tongue and tiltedly tongue opening device, the lock main body comprises lock body that is box-like and the locking closure that matches with it, the side that dead bolt and oblique tongue are installed in the lock case and can stretch out lock body, with the lock case of dead bolt mated position in the dead bolt opening device is installed, with the lock case of oblique tongue mated position in oblique tongue opening device is installed, the dead bolt opening device includes tapered end, tapered end includes tapered end and the lock core that is installed in the tapered end, tapered end is fixedly mounted on the lock body, radially have on the tapered end in lock case and dial the hairpin groove, with the tapered end of dialling hairpin groove mated position and lock core on radially have blade groove, this blade groove is communicated with keyhole, with tapered end on dial on the lock core of hairpin groove correspondence position, supportingly successively oblique tongue cam is installed dials hairpin, circle lacks the shape base plate and deadbolt cam is dialled hairpin, with lock body [1] box of tapered end mated position in slide plate is installed, slide plate and lock body composition are slidingly connected, dialling the supporting breach of hairpin near designing to have on the slide plate of tapered end one side with deadbolt cam, on slide plate, be fixedly connected with the blade guide pin, design has " worker " font guide nail slot on the blade, the blade guide pin is inserted in " worker " font guide nail slot on the blade and can slides relatively, and blade is formed hinge with lock body and is connected.

Above-mentioned vane type lock pin theftproof lock has 2 guide pin mounting holes on slide plate, 2 guide pins that are fixedly mounted on the lock body are inserted in this mounting hole, and slide plate is slidingly connected by the mounting hole on it and the guide pin and the lock body composition that are inserted in this mounting hole.

Above-mentioned vane type lock pin theftproof lock has the blade stack more than 2 or 2 to install, and is having on the key and blade and the supporting teeth of quantity thereof.

Above-mentioned vane type lock pin theftproof lock, anti-hook sheet is installed in its lock case, should prevent that hook sheet and lock body composition were slidingly connected, one end of anti-hook sheet return spring is connected with anti-hook sheet, the other end is connected with lock body, designing on anti-hook sheet has by the angle, stretches to the slide plate direction by the angle, with anti-hook sheet on by design on the blade of angle mated position briar tooth is arranged.

Above-mentioned vane type lock pin theftproof lock, head is stirred in design on anti-hook sheet, and this stirs head and oblique tongue cam, and to dial hairpin supporting.

Above-mentioned vane type lock pin theftproof lock, on anti-hook sheet, have 2 guide pin mounting holes, 2 guide pins that are fixedly mounted on the lock body are inserted in this mounting hole, anti-hook sheet is slidingly connected by the mounting hole on it and the guide pin and the lock body composition that are inserted in this mounting hole, one end of anti-hook sheet return spring is connected with anti-hook sheet, and the other end is connected with lock body by one in 2 guide pins.

Because the utility model design has tapered end, dead bolt opening device and oblique tongue opening device, therefore have the anti-theft feature of standard machinery cylinder lock, and key positioner is accurate, the plug key is easy; Owing to there is deadbolt cam to dial transmission mechanisms such as hairpin, dead bolt is dialled transmission mechanism drivings such as hairpin by deadbolt cam, and unblanking to lock does not need many gears just can reach desirable effect; Owing in the lock case blade is installed, blade groove on this blade and tapered end and the lock core is supporting, and blade groove is communicated with keyhole, when opening the utility model with foreign matter such as master key etc., behind the rotational lock core, blade enters in blade groove and the keyhole, the blade guide pin of fixing on the slide plate slides into the left end of " worker " font guide nail slot top translot on the blade on the one hand, make the dislocation of the vertical slot in " worker " font guide nail slot on blade guide pin and the blade, slide plate can't be to downslide, deadbolt cam is dialled hairpin and can't be rotated further, and is rotated further lock core, so can not pirate of the open; Because of design on blade briar tooth is arranged on the other hand, with the lock case of briar tooth mated position in anti-hook sheet is installed, at this moment, briar tooth on the blade hooks anti-hook sheet, blade is stuck in the blade groove in the tapered end, lock core can't be rotated, therefore, the utlity model has the double anti-theft insurance of cylinder lock and blade lock.

Description of drawings

The utility model is described in further detail below in conjunction with drawings and Examples.

Figure 1 shows that the utility model vane type lock pin theftproof lock removes the partly front view schematic diagram of locking closure.

Fig. 2 is a unlocking condition schematic diagram after vane type lock pin theftproof lock key shown in Figure 1 rotates to an angle.

Fig. 3 cuts tapered end open for vane type lock pin theftproof lock shown in Figure 1, cuts partly push pedal schematic diagram open.

Fig. 4 for vane type lock pin theftproof lock shown in Figure 1 cut tapered end open and lock after view.

Fig. 5 cuts the schematic diagram of tapered end open for vane type lock pin theftproof lock shown in Figure 1.

Fig. 6 removes push pedal and push pedal return spring for vane type lock pin theftproof lock shown in Figure 1, partly cuts open anti-hook sheet, cuts tapered end open, partly cuts open the defoliation sheet and uses foreign matter unlocking condition schematic diagram.

Fig. 7 opens oblique tongue and dials hairpin, dead bolt, dead bolt return spring, push pedal, push pedal return spring, blade, blade return spring, anti-hook sheet, anti-hook sheet return spring for vane type lock pin theftproof lock shown in Figure 1 removes tapered end, cuts the tapered end schematic diagram open.

Fig. 8 removes tapered end and tapered end hold-down screw schematic diagram for vane type lock pin theftproof lock shown in Figure 1.

Fig. 9 is a vane type lock pin theftproof lock A-A partial schematic sectional view shown in Figure 1.

1. lock body is 2. prevented hook sheet, 3. tapered end support, 4. tapered end hold-down screw, 5. tapered end, 6. tiltedly the tongue cam is dialled hairpin, 7. lock core, 8. anteposition pellet shot from a slingshot, 9. dead bolt, 10. push pedal, 11. tapered ends are opened oblique tongue and are dialled hairpin, 12. oblique tongue, 13. oblique tongue rods, 14. side panels, 15. oblique tongue spring, 16. oblique tongue supports, 17. oblique tongue arm-ties, 18. locking closure, 19. handle cams are dialled hairpin, 20. dead bolt return springs, 21. the dead bolt driving rocker, 22. deadbolt cam are dialled hairpin, 23. slide plates, 24. blade, 25. blade return springs, 26. keys, 27. capping, 28. springs, 29. a back pellet shot from a slingshot, 30. the push pedal return spring, 31. circles lack the shape base plate, 32. anti-hook sheet return springs.

The specific embodiment

As shown in the figure, lock body [1] is box-like, at the supporting locking closure [18] that is equipped with of lock body [1] box-like opening part, in a side of lock body [1] side panel [14] is installed, and lock body [1], locking closure [18] and side panel [14] are formed the lock main body; Have dead bolt driving rocker hole on the locking closure [18] of lock body [1] and relevant position, dead bolt driving rocker [21] is installed in this hole and forms hinge with lock body [1] and locking closure [18] respectively and is connected.On dead bolt driving rocker [21], design to have and dial the supporting breach of hairpin [22] with deadbolt cam, also design has projection on dead bolt driving rocker [21], on this projection, be connected with dead bolt return spring [20], this dead bolt return spring [20] is connected with lock body [1], the purpose that dead bolt return spring [20] is installed is when utilizing the key locking and unlocking, and dead bolt [9] does not at will put in and stretches out.Dead bolt driving rocker [21] is connected with dead bolt [9], dead bolt [9] is installed in lock body [1] box and lock body [1] slip relatively, and part dead bolt [9] can be stretched out lock body [1] box one end outer, that do not stretch out lock body [1] at dead bolt [9] and have guide groove, the shape of this guide groove is partly formed by two, it is vertical that wherein a part of and dead bolt [9] stretch out lock body [1] direction, be called straight trough, another part and its inclination, be called skewed slot, dead bolt driving rocker [21] is inserted in by guide pin fixing on it and realizes in this guide groove being connected with dead bolt [9]; In lock body [1] box tapered end support [3] is installed, has the hole on this tapered end support [3], tapered end hold-down screw [4] passes this hole tapered end [5] is fixed on the lock body [1].In tapered end [5], have lock core hole vertically, built-in lock core [7], on this lock core [7], have keyhole vertically, on the lock core [7] of tapered end [5] and relevant position, have the pellet shot from a slingshot hole, in the hole, be arranged in order anteposition bullet position [8] is installed, position, back pellet shot from a slingshot [29], spring [28] and capping [27], tapered end is formed in tapered end [5], lock core [7], anteposition pellet shot from a slingshot [8], position, back pellet shot from a slingshot [29], spring [28] and capping [27].Tapered end, deadbolt cam are dialled hairpin [22], dead bolt driving rocker [21], dead bolt return spring [20] composition dead bolt opening device; On tapered end [5], have and dial the hairpin groove, with the lock core [7] of this group hairpin groove mated position on have blade groove, this blade groove is communicated with keyhole in the lock core [7], with the lock core [7] of dialling hairpin groove mated position on be equipped with successively deadbolt cam dial hairpin [22], circle lack shape base plate [31] and tiltedly the tongue cam dial hairpin [6], and deadbolt cam dial hairpin [22], circle lack shape base plate [31] and tiltedly the tongue cam dial hairpin [6] and rotate synchronously with lock core [7].Near in lock body [1] box of tapered end one side slide plate [23] is being installed, this slide plate [23] is slidingly connected with the guide pin and lock body [1] composition that are fixed on the lock body [1] by two waist shape guide pin holes on it, on the slide plate [23] of close tapered end one side, design to have and dial the supporting breach of hairpin [22] with the dead bolt flange, on slide plate [23], be installed with the blade guide pin, go up design at blade [24] " worker " font guide nail slot is arranged, the blade guide pin is inserted in " worker " font guide nail slot on the blade [24] and can slides, blade [24] is formed hinge with lock body [1] and is connected, blade [24] more than one is installed at least, go up design at blade [24] briar tooth is arranged, blade return spring [25] is installed on blade [24], and this blade return spring [25] is connected with lock body [1].Anti-hook sheet [2] also is installed in lock body [1] box, should anti-hook sheet [2] be slidingly connected with lock body [1] composition by two waist shape guide pin holes on it and two guide pins being fixed on the lock body [1], going up design at anti-hook sheet [2] has by the angle, should stretch to slide plate [23] and supporting towards lock body [1] box plate direction by the angle with the briar tooth on the blade [24], go up design at anti-hook sheet [2] hairpin of dialling is arranged, this group hairpin reaches oblique tongue cam and dials on the hairpin [6], the side, termination that oblique tongue cam is dialled hairpin [6] is close in a side of this group hairpin, anti-hook sheet return spring [32] is installed on anti-hook sheet [2], the end that should prevent hook sheet return spring [32] is connected on the anti-hook sheet [2], and the other end is connected on the guide pin; In lock body [1] box, be installed with oblique tongue support [16], on this oblique tongue support [16], have the oblique tongue rod jack, oblique tongue rod [13] interts in this hole and can slide relatively, on oblique tongue rod [13], be set with oblique tongue spring [15], end at oblique tongue rod [13] is fixedly connected with oblique tongue [12], is connected with oblique tongue arm-tie [17] at its other end.On the oblique oblique tongue rod [13] between tongue support [16] and the oblique tongue arm-tie [17], be set with tapered end and open that oblique tongue is dialled hairpin [11] and the handle cam is dialled hairpin [19], tapered end is opened oblique tongue and is dialled hairpin [11] and dial hairpin [19] with the handle cam and be connected with lock body [1] hinge, and the handle cam is dialled hairpin [19] and fixedlyed connected with handle.Tapered end is opened oblique tongue and is dialled on the hairpin [11] protruding block is arranged, be connected with push pedal [10] by this protruding block, push pedal [10] is slided the nail hole with dead bolt [9] by the waist shape in the push pedal [10] and is slidingly connected with the sliding nail composition that is fixed on the dead bolt [9], push pedal [10] is dialled hairpin [6] with oblique tongue cam again and is connected, push pedal return spring [30] is installed in push pedal [10], one end of this push pedal return spring [30] is connected with lock body [1], and tiltedly the tongue cam is dialled hairpin [6], push pedal [10], tapered end is opened oblique tongue and is dialled hairpin [11], oblique tongue rod [13], oblique tongue spring [15], oblique tongue support [16], tiltedly tongue arm-tie [17] and handle cam are dialled the oblique tongue opening device of hairpin [19] composition.The course of work of the present utility model is: when locking, in the keyhole in matched key of the present utility model [26] the insertion lock core [7], at this moment, deadbolt cam is dialled the shifting block of hairpin [22] and is cooperated with breach on the slide plate [23], position under slide plate [23] is in, be fixed on the slide plate [23] on the blade guide pin be in blade [24] and go up in the translot of " worker " font guide nail slot below and and align with vertical slot.Clockwise rotate key [26], lock core [7] rotates thereupon, deadbolt cam is dialled hairpin [22], scarce shape base plate [31] of circle and oblique tongue cam are dialled hairpin [6] and are also turned clockwise thereupon, deadbolt cam is dialled hairpin [22] and is stirred upwards slip of slide plate [23], the vertical slot that blade guide pin on the slide plate [23] is gone up in " worker " font guide nail slot by blade [24] enters in the translot on its top, circle lacks the notch alignment blade [24] on the shape base plate [31], blade [24] turns clockwise under the effect of blade return spring [25], enter in the blade groove on tapered end [5] and the lock core [7] and and contact with key [26], the blade guide pin is in the left end that blade [24] is gone up the top translot in " worker " font guide nail slot, be rotated further key [26], deadbolt cam is dialled the shifting block of hairpin [22] and is contacted with breach on the dead bolt driving rocker [21], and drive dead bolt driving rocker [21] and dead bolt return spring [20] rotation, dialling on the dead bolt driving rocker [21] followed closely skewed slot and the straight trough that successively slips on the dead bolt [9], promoting dead bolt [9] stretches out outside the lock body [1], and dead bolt return spring [20] also is returned to the shape before locking in this position, be rotated further key [26], circle lacks the side that shape rest pad [31] is close to blade [24], and promotion blade [24] is rotated counterclockwise, blade guide pin on the slide plate [23] enters the right-hand member that blade [24] is gone up " worker " font guide nail slot middle and upper part translot, at this moment, blade guide pin on the slide plate [23] and blade [24] are gone up the vertical slot dislocation in " worker " font guide nail slot, slide plate [23] can not move down, lock core [7] rotates back into original position, the utility model is in the lock state, can transfer to key [26], finish the process of locking.When unblanking, in the keyhole in matched key of the present utility model [26] the insertion lock core [7], rotate counterclockwise key [26], lock core [7] is rotated counterclockwise thereupon, drive oblique tongue cam and dial hairpin [6], scarce shape base plate [31] of circle and deadbolt cam are dialled hairpin [22] and are rotated counterclockwise, but this moment, dead bolt [9] has stretched out outside the lock body [1], push pedal [10] moves right with dead bolt [9] and oblique tongue cam is dialled hairpin [6] disengagement, tiltedly the tongue cam is dialled hairpin [6] and can't be promoted push pedal [10] slip, after the scarce shape base plate [31] of circle is rotated counterclockwise, notch alignment blade [24] on it, blade [24] enters in the blade groove and with key [26] and contacts, simultaneously, blade [24] is gone up the blade guide pin of vertical slot secured in alignment on slide plate [23] in " worker " font guide nail slot, be rotated further key [26], deadbolt cam is dialled shifting block on the hairpin [22] and is stirred dead bolt driving rocker [21] and turn clockwise, dead bolt return spring [20] turns clockwise, sliding nail on the dead bolt driving rocker [21] successively slips over straight trough and the skewed slot on the dead bolt [9], in pulling dead bolt [9] withdrawal lock body [1] box and dead bolt return spring [20] also is returned to the position before locking and be returned to shape before locking, push pedal [10] is also got back to the preceding position of locking with dead bolt [9], continue to rotate counterclockwise key, deadbolt cam is dialled hairpin [22] and is promoted slide plate [23] to lower slider, the blade guide pin that is fixed on the slide plate [23] enters in the translot of its underpart by the vertical slot in last " worker " font guide nail slot of blade [24], circle lacks the side that shape base plate [31] is close to blade [24], and promotion blade [24] is rotated counterclockwise, blade guide pin on the slide plate [23] enters the left end that blade [24] is gone up " worker " font guide nail slot middle and lower part translot, blade [24] gets out of the way keyhole, at this moment, blade guide pin on the slide plate [23] and blade [24] are gone up the vertical slot dislocation in " worker " font guide nail slot, slide plate [23] can not upwards slide, lock core [7] rotates back into original position, if do not transfer to key [26] this moment, but continue to be rotated counterclockwise, the shifting block that oblique tongue cam is dialled on the hairpin [6] promotes to move in the push pedal [10], push pedal [10] promotes tapered end and opens oblique tongue and dial hairpin [11] and be rotated counterclockwise, tapered end is opened oblique tongue and is dialled hairpin [11] and spur oblique tongue [12] by oblique tongue arm-tie [17] and oblique tongue rod [13] and be reduced in lock body [1] box, and this lock just is in opening.Unclamp key [26], after key [26] lost external force, tiltedly tongue [12] stretched out outside lock body [1] box under the effect of oblique tongue spring [15], and push pedal [10] slips back to original position in that the effect of push pedal return spring [30] is following, and lock core [7] is got back to original position, can extract key at this moment.The unlatching of oblique tongue [12] can also be dialled hairpin [19] by handle and handle cam and be realized.During with foreign matter pirate of the open the utility model such as master keys, its principle is, pellet shot from a slingshot in the tapered end is stirred, rotational lock core [7] then, tiltedly the tongue cam is dialled hairpin [6], scarce shape base plate [31] of circle and deadbolt cam are dialled hairpin [22] and are rotated thereupon, when deadbolt cam is dialled hairpin [22] and is not also pushed slide plate [23], blade [24] has turned clockwise under the effect of blade return spring [25] and has entered in the blade groove on the tapered end, owing to there be not stopping of key [26], blade [24] enters into the bottom of blade groove, on the one hand, slide plate [23] is gone up fixing blade guide pin and is slided into the left end that blade [24] is gone up " worker " font guide nail slot bottom translot, the vertical slot that blade guide pin and blade [24] are gone up in " worker " font guide nail slot misplaces, slide plate [23] can't upwards be slided, deadbolt cam is dialled hairpin [22] and can't be rotated further, and also just can not be rotated further lock core [7], so can not pirate of the open; On the other hand, hooking on briar tooth on the blade [24] and the anti-hook sheet [2] by the angle, anti-hook sheet [2] can not slide left, and oblique tongue cam is dialled hairpin [6] and also can't be rotated further, so also just can't be rotated further lock core [7], so foreign matters such as master key are difficult to pirate of the open the utility model.

Claims (8)

1. vane type lock pin theftproof lock, comprise the lock main body, dead bolt [9], the dead bolt opening device, tiltedly tongue [12] and tiltedly tongue opening device, the lock main body comprises lock body [1] that is box-like and the locking closure [18] that matches with it, dead bolt [9] and oblique tongue [12] are installed in lock body [1] box and a side can stretching out lock body, with lock body [1] box of dead bolt [9] mated position in the dead bolt opening device is installed, with lock body [1] box of oblique tongue [12] mated position in oblique tongue opening device is installed, the dead bolt opening device includes tapered end, tapered end includes tapered end [5] and is installed in lock core [7] in the tapered end [5], tapered end is fixedly mounted on the lock body [1], radially have on the tapered end [5] in lock body [1] box and dial the hairpin groove, it is characterized in that: with the tapered end [5] of dialling hairpin groove mated position and lock core [7] on radially have blade groove, this blade groove is communicated with keyhole, going up on the lock core [7] of dialling hairpin groove correspondence position with tapered end [5], supportingly successively oblique tongue cam is installed dials hairpin [6], circle lacks shape base plate [31] and deadbolt cam is dialled hairpin [22], with lock body [1] box of tapered end mated position in slide plate [23] is installed, slide plate [23] is slidingly connected with lock body [1] composition, on the slide plate [23] of close tapered end one side, design to have and dial the supporting breach of hairpin [22] with deadbolt cam, on slide plate [23], be fixedly connected with the blade guide pin, blade [24] is gone up design " worker " font guide nail slot, the blade guide pin is inserted in " worker " font guide nail slot on the blade [24] and can slides relatively, and blade [24] is formed hinge with lock body [1] and is connected.

2. vane type lock pin theftproof lock according to claim 1, it is characterized in that: on slide plate [23], have 2 guide pin mounting holes, 2 guide pins that are fixedly mounted on the lock body [1] are inserted in this mounting hole, and slide plate [23] is slidingly connected by the mounting hole on it and the guide pin and lock body [1] composition that are inserted in this mounting hole.

3. vane type lock pin theftproof lock according to claim 1 is characterized in that: have blade [24] stack more than 2 or 2 to install, have on key [26] and blade [24] and the supporting teeth of quantity thereof.

4. vane type lock pin theftproof lock according to claim 2 is characterized in that: have blade [24] stack more than 2 or 2 to install, have on key [26] and the supporting teeth of blade [24] quantity.

5. according to claim 1 or 2 or 3 or 4 described vane type lock pin theftproof locks, it is characterized in that: anti-hook sheet [2] is installed in lock body [1] box, should be slidingly connected with lock body [1] composition by anti-hook sheet [2], one end of anti-hook sheet return spring [32] is connected with anti-hook sheet [2], the other end is connected with lock body [1], going up design at anti-hook sheet [2] has by the angle, stretches to slide plate [23] direction by the angle, briar tooth is arranged going up to go up to design by the blade [24] of angle mated position with anti-hook sheet [2].

6. vane type lock pin theftproof lock according to claim 5 is characterized in that: go up design at anti-hook sheet [2] and stir head, this stirs head and oblique tongue cam, and to dial hairpin [6] supporting.

7. vane type lock pin theftproof lock according to claim 5, it is characterized in that: on anti-hook sheet [2], have 2 guide pin mounting holes, 2 guide pins that are fixedly mounted on the lock body [1] are inserted in this mounting hole, anti-hook sheet [2] is slidingly connected by the mounting hole on it and the guide pin and lock body [1] composition that are inserted in this mounting hole, one end of anti-hook sheet return spring [32] is connected with anti-hook sheet [2], and the other end is connected with lock body [1] by one in 2 guide pins.

8. vane type lock pin theftproof lock according to claim 6, it is characterized in that: on anti-hook sheet [2], have 2 guide pin mounting holes, 2 guide pins that are fixedly mounted on the lock body [1] are inserted in this mounting hole, anti-hook sheet [2] is slidingly connected by the mounting hole on it and the guide pin and lock body [1] composition that are inserted in this mounting hole, one end of anti-hook sheet return spring [32] is connected with anti-hook sheet [2], and the other end is connected with lock body [1] by one in 2 guide pins.

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