CN102061837B

CN102061837B - Closed type anti-theft lock

Info

Publication number: CN102061837B
Application number: CN2010105943352A
Authority: CN
Inventors: 朱江; 吴皓; 魏嘉琦; 李梦琦; 张嵛杰
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-12-17
Filing date: 2010-12-17
Publication date: 2012-11-21
Anticipated expiration: 2030-12-17
Also published as: CN102061837A

Abstract

The invention relates to a closed type anti-theft lock, which effectively solves the problems that the traditional anti-theft lock has the defects of complicated structure, high cost and poor anti-theft effect. The closed type anti-theft lock is structurally characterized in that a lock cylinder is arranged in a lock sleeve and provided with a key slot at the front end; a rear spring sheet is arranged in a lock-cylinder rear spring sheet hole on the lock cylinder, a lower ball is arranged in a lower ball hole behind the lock-cylinder rear spring sheet hole, an eccentric blind hole is arranged on the lock cylinder on the outer side of the lower ball hole, lock-cylinder front spring sheet holes are arranged on two side walls of the lock cylinder in front of the lock-cylinder rear spring sheet, and front spring sheets are arranged in the lock-cylinder front spring sheet holes; the front and the rear spring sheets are mutually controlled and engaged together; the lock sleeve is respectively provided with a lock-sleeve rear spring sheet hole and a lock-sleeve front spring sheet hole; the rear ball in the lock-sleeve rear spring sheet hole is provided with a first spring and the front ball in the lock-sleeve front spring sheet hole is provided with a second spring; an upper ball hole is arranged behind the lock-sleeve rear spring sheet hole and a third spring is fixed on the upper ball in the upper ball hole; and the key slot is provided with a key matched with the lock cylinder to form a closed type anti-theft structure. The closed type anti-theft lock provided by the invention has the advantages of simple manufacturing process, unique structure, firmness and durability and good anti-theft effect.

Description

The closed type theftproof lock

One, technical field

The present invention relates to theftproof lock, particularly a kind of closed type theftproof lock.

Two, background technology

Lockset is to use more a kind of device in the daily life, and is of a great variety, is broadly divided into mechanical lock and electronic lock, and mechanical lock is to be equipped with key to open the complex structure of this lockset; Complex operation, and manufacturing cost is high, but because the problem that exists on its structure, anti-theft effect is poor; Electronic lock is to join a contactless card, read the numerical value of contactless card with wafer and open, yet the electronic lock cost is high; Complicated circuit is subject to disturb, and anti-theft effect is undesirable, thus improvement and innovate imperative.

Three, summary of the invention

To above-mentioned situation, for overcoming the prior art defective, the present invention's purpose just provides a kind of closed type theftproof lock, solves effectively that present anti-theft lock structure is complicated, cost is high, the problem of anti-theft effect difference.

The technical scheme that the present invention solves is, comprises lock tube, lock core, goes up pellet shot from a slingshot and following pellet shot from a slingshot, and lock core places in the lock tube; In the lock core front end key is arranged, back shell fragment is arranged in the shell fragment hole behind the lock core on the lock core, on the lock core at rear, shell fragment hole lower marble hole is arranged behind the lock core; Following pellet shot from a slingshot is arranged in the lower marble hole; On the lock core in the lower marble hole outside the eccentric blind hole that is communicated with lower marble hole is arranged, the preceding shell fragment hole of lock core is arranged on the lock core two side in the place ahead, shell fragment hole behind the lock core, the preceding shell fragment that is installed in the shell fragment groove of shell fragment both sides, back is arranged in the shell fragment hole before the lock core; Preceding shell fragment, back shell fragment cross complaint are interlocked; Have respectively on the lock tube with lock core after before the shell fragment hole, lock core shell fragment hole before shell fragment hole, the lock tube behind the corresponding lock tube in shell fragment hole, on the back pellet shot from a slingshot behind the lock tube in the shell fragment hole first spring is arranged, on the preceding pellet shot from a slingshot before the lock tube in the shell fragment hole second spring is housed; The last pellet shot from a slingshot hole that is communicated with lower marble hole is arranged on the lock tube at rear, shell fragment hole behind the lock tube; Be fixed with the 3rd spring on the last pellet shot from a slingshot in the last pellet shot from a slingshot hole, the key that matches with lock core is arranged in the key, constitute the closed type theft-prevention structure.

Manufacturing process of the present invention is simple, and structure is unique, when not using match key operated; Priority is carried out twice locking; Various skilled unlocking personnel are had no way of doing it, and sturdy and durable, anti-theft effect is very good; Being that at present commercially available theftproof lock institute is incomparable, is that one on the lockset innovated greatly.

Four, description of drawings

Fig. 1 is a structural perspective of the present invention (partly cuing open).

Fig. 2 is a lock tube structural front view of the present invention.

Fig. 3 is a lock tube structure side view of the present invention.

Fig. 4 is a lock tube structure vertical view of the present invention.

Fig. 5 is a lock core structure lateral view of the present invention.

Fig. 6 is a lock core structure vertical view of the present invention.

Fig. 7 for the A-A of Fig. 6 of the present invention to sectional view.

Fig. 8 is a back of the present invention elastic piece structure front view.

Fig. 9 is a preceding elastic piece structure front view of the present invention.

Figure 10 is a preceding elastic piece structure stereogram of the present invention.

Figure 11 is a Key structure front view of the present invention.

Five, the specific embodiment

Elaborate below in conjunction with the accompanying drawing specific embodiments of the invention.

Provided by Fig. 1-Figure 11, the present invention includes lock tube, lock core, go up pellet shot from a slingshot and following pellet shot from a slingshot, lock core 1 places in the lock tube 2; Key 3 is arranged in the lock core front end, back shell fragment 4 is arranged in the shell fragment hole 19 behind the lock core on the lock core, on the lock core at rear, shell fragment hole lower marble hole 18 is arranged behind the lock core; Following pellet shot from a slingshot 5 is arranged in the lower marble hole; On the lock core in the lower marble hole outside the eccentric blind hole 6 that is communicated with lower marble hole is arranged, the preceding shell fragment hole 20 of lock core is arranged on the lock core two side in the place ahead, shell fragment hole behind the lock core, the preceding shell fragment 7 that is installed in shell fragment both sides, the back shell fragment groove 24 is arranged in the shell fragment hole before the lock core; Preceding shell fragment, back shell fragment cross complaint are interlocked; Have respectively on the lock tube with lock core after before the shell fragment hole, lock core shell fragment hole 22 before shell fragment hole 21, the lock tube behind the corresponding lock tube in shell fragment hole, first spring 9 is arranged on the back pellet shot from a slingshot 8 behind the lock tube in the shell fragment hole, on the preceding pellet shot from a slingshot 25 before the lock tube in the shell fragment hole second spring 10 is housed; The last pellet shot from a slingshot hole 23 that is communicated with lower marble hole is arranged on the lock tube at rear, shell fragment hole behind the lock tube; Be fixed with the 3rd spring 12 on the last pellet shot from a slingshot 11 in the last pellet shot from a slingshot hole, the key that matches with lock core is arranged in the key, constitute the closed type theft-prevention structure.

In order to guarantee result of use; Shell fragment 7 constitutes integrative-structure by perpendicular body and horizontal body before said, and the front end that erects body has horizontal body, the upper surface of horizontal body, medial surface respectively with the upper surface of perpendicular body, medial surface on same horizontal plane; The height of perpendicular body is greater than the height of horizontal body; The external surface of perpendicular body is and the corresponding to arc of external surface of lock core, puts down the taper under both sides are tilted in the middle of the inner surface of perpendicular body is; The shell fragment groove 24 that has the horizontal body size of preceding shell fragment to match on shell fragment 4 both sides, said back; All there are two row in the said pellet shot from a slingshot hole 23 of going up with lower marble hole 18; First groove 15 that key body 14 both sides at handle 13 rear portions of said key have the perpendicular body inboard with preceding shell fragment to match; Having on the key body at the first groove rear portion on the key body with shell fragment lower end corresponding second groove 17, the second groove rear portions, back has and corresponding through hole 16 of lower marble hole or the 3rd groove.

Anti-pirate of the open know-why of the present invention: 1, under the normal opening: a, when not inserting key; Preceding shell fragment is in opening with the back shell fragment; The horizontal body of preceding shell fragment (i.e. the brake platform of protrusion) cooperates with the shell fragment groove of back shell fragment, and last pellet shot from a slingshot gets into lock core and is in the lock state.B, before using when key operated at first key shell fragment and moving it before the end in contact; The horizontal body of preceding shell fragment breaks away from the shell fragment groove of back shell fragment; The back shell fragment also moves up in the process that key continues to advance; Preceding shell fragment will be in the lock state with the back shell fragment; When key all inserts desired location, go up pellet shot from a slingshot, at this moment pellet shot from a slingshot is in the crossing face place of lock core and lock tube down, goes up pellet shot from a slingshot, pellet shot from a slingshot is in opening down, and first groove that matches with preceding shell fragment and back shell fragment of key root setting and second groove make before shell fragment and after shell fragment drop down onto the position before not inserting key next time in the effect of second spring and first spring; Promptly be in opening, thereby accomplish whole opening process.

2, the antitheft open procedure and the know-why of unnormal unlocking: when foreign matter carried out unnormal unlocking, foreign matter at first will cause the back shell fragment to move because preceding shell fragment is braked with the back shell fragment each other when stirring the back shell fragment in the ban through preceding shell fragment and back shell fragment; When at first stirring preceding shell fragment, stir the back shell fragment again, at this moment two shell fragments all will be in the lock state; Shell fragment and back shell fragment before if foreign matter has at first been dialled; When stirring the following pellet shot from a slingshot of rear then, at this moment want to reach unblank purpose must make lock core clockwise or counterclockwise rotate stressed because lock core is provided with eccentric blind hole; Even be allocated to opening to last pellet shot from a slingshot and following pellet shot from a slingshot; And then shell fragment is returned to opening with the back shell fragment before making, and at this moment owing to two list pellet shot from a slingshot and following pellet shot from a slingshot and must have wherein and one be listed under the effect of eccentric blind hole, gets in the eccentric blind hole and is in the lock state; The locking of completion secondary, at this moment preceding shell fragment will make key be in full closeding state with the back shell fragment.

Characteristic of the present invention is:

1, the upper end of two row lower marble holes on the lock core is provided with eccentric blind hole, and the lock core front end is provided with the forward and backward shell fragment of lock core hole, and the forward and backward shell fragment in the forward and backward shell fragment of the lock core hole is in mutual interlock control;

2, the root of key is provided with forward and backward shell fragment and is in the first identical groove and second groove;

3, forward and backward shell fragment is respectively arranged with horizontal body (being convex body) and shell fragment groove (being concave volume), interlock each other;

4, rotate when stressed if stir the wherein upper and lower pellet shot from a slingshot of row at lock core, another list pellet shot from a slingshot or down pellet shot from a slingshot will get in the eccentric blind hole of lock core, accomplish secondary and lock.

Novel structure of the present invention is unique, makes processing simply, and cost is low, good anti-theft effect, and when using foreign matter to open, lockset of the present invention successively carries out twice locking, and various skilled unlocking personnel are had no way of doing it, and anti-theft effect is that existing product institute is incomparable.

Claims

1. a closed type theftproof lock comprises lock tube, lock core, goes up pellet shot from a slingshot and following pellet shot from a slingshot, it is characterized in that; Lock core (1) places in the lock tube (2), and key (3) is arranged in the lock core front end, and back shell fragment (4) is arranged in shell fragment hole (19) behind the lock core on the lock core; Lower marble hole (18) is arranged on the lock core at rear, shell fragment hole behind the lock core, following pellet shot from a slingshot (5) is arranged in the lower marble hole, on the lock core in the lower marble hole outside the eccentric blind hole (6) that is communicated with lower marble hole is arranged; The preceding shell fragment hole (20) of lock core is arranged on the lock core two side in the place ahead, shell fragment hole behind the lock core, the preceding shell fragment (7) that is installed in the back shell fragment both sides shell fragment grooves (24) is arranged in the shell fragment hole before the lock core, preceding shell fragment, back shell fragment cross complaint are interlocked; Have respectively on the lock tube with lock core after before the shell fragment hole, lock core shell fragment hole (22) before shell fragment hole (21), the lock tube behind the corresponding lock tube in shell fragment hole; On the back pellet shot from a slingshot (8) behind the lock tube in the shell fragment hole first spring (9) is arranged, on the preceding pellet shot from a slingshot (25) before the lock tube in the shell fragment hole second spring (10) is housed, the last pellet shot from a slingshot hole (23) that is communicated with lower marble hole is arranged on the lock tube at rear, shell fragment hole behind the lock tube; Be fixed with the 3rd spring (12) on the last pellet shot from a slingshot (11) in the last pellet shot from a slingshot hole; The key that matches with lock core is arranged in the key, constitute the closed type theft-prevention structure, said preceding shell fragment (7) constitutes integrative-structure by perpendicular body and horizontal body; The front end of perpendicular body has horizontal body; The upper surface of horizontal body, medial surface respectively with the upper surface of perpendicular body, medial surface on same horizontal plane, the height of perpendicular body is greater than the height of horizontal body, the external surface of perpendicular body be and the corresponding to arc of external surface of lock core; Flat in the middle of the inner surface of perpendicular body is, the taper under both sides are tilted to.

2. closed type theftproof lock according to claim 1 is characterized in that, the shell fragment groove (24) that has the horizontal body size with preceding shell fragment to match on shell fragment (4) both sides, said back.

3. closed type theftproof lock according to claim 1 is characterized in that, said upward pellet shot from a slingshot hole (23) and lower marble hole (18) all have two row.

4. closed type theftproof lock according to claim 1; It is characterized in that; First groove (15) that key body (14) both sides at the handle of said key (13) rear portion have the perpendicular body inboard with preceding shell fragment to match; Have on the key body at the first groove rear portion and back shell fragment corresponding second groove in lower end (17), have on the key body at the second groove rear portion and corresponding through hole of lower marble hole (16) or the 3rd groove.