CN202039690U

CN202039690U - Lock

Info

Publication number: CN202039690U
Application number: CN2011200578846U
Authority: CN
Inventors: 杨仁智
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-03-07
Filing date: 2011-03-07
Publication date: 2011-11-16
Anticipated expiration: 2021-03-07

Abstract

The utility model discloses a motorcycle anti-theft lock which can prevent from being destructively unlocked. The structure of the lock comprises a lock sleeve, a lock body, a front lock core and a rear lock core. The front lock core is spaced at a certain distance from the rear lock core, and the front lock core is coupled with the rear lock core through connecting bars; a circular keyhole of the front lock core is provided with three key slots; hole walls among the key slots are provided with reinforcing pellet holes; one end of a circular keyhole of the rear lock core is provided with bulged screw threads; the screw threads are coupled with a rotatable screw bolt; a movable member is arranged inside the rotatable screw bolt; and pellets, magnetic pellets and springs are respectively arranged on the front lock core, the rear lock core and the lock body. With the adoption of the structure, the lock disclosed by the utility model can effectively prevent from being destructively unlocked, and the difficulty for being technically unlocked is enhanced, and the key amount is increased.

Description

A kind of tapered end

Technical field

The utility model belongs to lockset, particularly a kind of motorcycle anti-theft lock.

Background technology

At present, motorcycle anti-theft lock on the market mostly is yi word pattern or cross tapered end greatly.These two kinds of tapered ends, its structure is very simple, includes only lock body, lock core, hoodle, spring, is exactly yi word pattern or cross keyhole in addition.Because its simple in structure, economy and durability, thereby be subjected to the welcome of consumers in general and manufacturer, created supply the market in a large number, be seen everywhere on the market by lockmaking enterprise.But these two kinds of tapered ends also have significant disadvantages, and that is exactly that these two kinds of tapered ends all adopt copper minor diameter copper post as pellet shot from a slingshot, and the diameter of pellet shot from a slingshot is less than 2.5 millimeters.How much organize pellet shot from a slingshot so no matter it adopts, because its copper billiards diameter that adopts is little, hardness is low, all is unable to undergo the destructiveness of big moment and opens, and is difficult to prevent that the violence of stealer from turning round sled.And since simple in structure, make stealer carry out technical unlocking and also be easy to, and the secret key amount is little, the repetition rate of coding height of key.

Summary of the invention

The technical problems to be solved in the utility model provides a kind of tapered end that can prevent destructive unlatching.

For solving the problems of the technologies described above, a kind of tapered end of the present utility model, comprise lock tube, lock body, preceding lock core and rear lock core, pellet shot from a slingshot, magnetic bullet and spring, in the described lock tube lock body is housed, lock core and rear lock core before being equipped with in the lock body, described preceding lock core is provided with pellet shot from a slingshot, magnetic bullet, spring, and described rear lock core is provided with magnetic bullet, be separated with certain distance between between described preceding lock core and the rear lock core, and link up with connecting rod.

As a kind of improvement of the present utility model, place, its axis direction center, preceding lock core upper edge offer connect whole before the round key hole of lock core, spend along the every interval 120 of the circumference in round key hole and to offer a key, totally three key.

The shape of described key can be circle, also can be rectangle or other suitable shapes.

As a kind of improvement of the present utility model, on the keyhole hole wall between any two key on the preceding lock core, offer the reinforcement pellet shot from a slingshot hole that communicates with keyhole, the reinforcement pellet shot from a slingshot is housed in the hole.

The shape in described reinforcement pellet shot from a slingshot hole can for oval, also can be prismatic or other suitable shapes.

As a kind of improvement of the present utility model, its place, axis direction center offers the round key hole that connects whole rear lock core in the rear lock core upper edge, one end in round key hole is provided with the screw thread of projection, the rotatable screw rod that the screw thread of projection and front end are made cylindrical body links, and the front end of rotatable screw rod is in the round key hole.

The shape of the front end of described rotatable screw rod can for the square, also can be triangle or other suitable shapes.

As a kind of improvement of the present utility model, be provided with movable part in the inside of rotatable screw rod.

As a kind of improvement of the present utility model, the outer bread of the magnetic bullet that is adopted one deck stainless steel outer sleeve, and its diameter is not less than 3 millimeters.

After adopting above-mentioned structure, no matter the utility model tapered end is aspect anti-technical unlocking, or aspect the anti-destructive unlatching, or be aspect raising secret key amount, obvious improvement has all been arranged.Particularly aspect the anti-destructive unlatching, the utility model tapered end has adopted forward and backward lock core to link up this structure with connecting rod, and only is provided with a round key hole on rear lock core, does not have key, makes that turning round the sled instrument puts forth effort nowhere.Stealer can only be puted forth effort on the key of preceding lock core if want to prize the utility model tapered end.When stealer uses when turning round the sled instrument and reversing the preceding lock core of the utility model tapered end by force, motionless at rear lock core, under the situation that preceding lock core rotates, the connecting rod that connects forward and backward lock core will rupture, thereby makes forward and backward lock core lose interlock.And the utility model tapered end only could be opened under the situation that forward and backward lock core rotates together, prevents destructive purpose of opening thereby reached.

Aspect anti-technical unlocking, the utility model tapered end has adopted magnetic bullet, rotatable screw rod, three these technical measures of key, has increased difficulty of technical opening.Because will carry out these technical operations simultaneously, just must use multiple different unlocking tool, as magnetic pole detector bar, master key, Unlocking gun etc.And to hold these unlocking tools simultaneously, just enough big space must be arranged.But the space, round key hole of the utility model tapered end is little, be difficult to hold simultaneously these unlocking tools, a kind of unlocking tool that can only hold wherein carries out technical operation, and a kind of unlocking tool can't be opened the utility model tapered end, thereby has reached the purpose of anti-technical unlocking.

Aspect raising secret key amount, the utility model tapered end has adopted three key, the front end of rotatable screw rod, these technical measures of reinforcement pellet shot from a slingshot hole.Their shape can be at random when making combination and variation in addition, thereby produce a large amount of different keys.And existing on the market yi word pattern or cross tapered end, all different keys is produced in the variation that can only rely on pellet shot from a slingshot to put in order, thereby the secret key amount is little.And the utility model tapered end can also rely on the front end of three above-mentioned key, rotatable screw rod, the combination and variation of their shape of reinforcement pellet shot from a slingshot hole to produce a large amount of different keys except producing the different keys by the variation that pellet shot from a slingshot puts in order.Thereby make the utility model tapered end have ratio yi word pattern or the much bigger secret key amount of cross tapered end on the market.

Description of drawings

Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.

Fig. 1 is the structural representation of first kind of embodiment of the utility model tapered end.

Fig. 2 is 1 right view.

Fig. 3 is the A-A sectional view of Fig. 1.

Fig. 4 is the structural representation of second kind of embodiment of the utility model tapered end.

Fig. 5 is the right view of Fig. 4.

Fig. 6 is the structural representation of the third embodiment of the utility model tapered end.

Fig. 7 is the right view of Fig. 6.

Among Fig. 1 to Fig. 7: 1, the lock tube drive end bearing bracket, 2, the lock body drive end bearing bracket, 3, lock tube, 4, lock body, 5, marble spring, 6, pellet shot from a slingshot, 7, preceding lock core, 8, key, 9, connecting rod, 10, reset magnet, 11, magnetic bullet, 12, the magnetic bullet hole, 13, rear lock core, 14, retainer spring, 15, pellet shot from a slingshot hole, location, 16, the location pellet shot from a slingshot, 17, the lock tube rear end cap, 18, jump ring, 19, rotatable screw rod, 20, the bar wall, 21, movable push rod, 22, back-moving spring, 23, locating hole, 24, lock tube rear end cap hole, 25, top, 26, lock body rear end cap hole, 27, the lock body rear end cap, 28, screw thread, 29, the movable telescopic bar, 30, the front end of rotatable screw rod, 31, the rear lock core keyhole, 32, the location pellet shot from a slingshot, 33, locating hole, 34, spring, 35, the location shrinkage pool, 36, preceding lock core keyhole, 37, strengthen the pellet shot from a slingshot hole, 38, the keyhole hole wall, 39, strengthen pellet shot from a slingshot, 40, lock core marble hole, 41, lock marble hole, 42, spring.

The specific embodiment

With reference to Fig. 1, Fig. 2, Fig. 3, first kind of embodiment of the utility model tapered end: a kind of tapered end, comprise lock tube 3, between the drive end bearing bracket 1 of lock tube 3 and the rear end cap 17 lock body 4 is housed, lock core 7 and rear lock core 13 before being equipped with between the drive end bearing bracket 2 of lock body 4 and the rear end cap 27, be separated with certain distance between between preceding lock core 7 and the rear lock core 13, and link up with connecting rod 9, distance between preceding lock core 7 and the rear lock core 13, its number range is 0.1 millimeter to 20 millimeters, the cross sectional shape of connecting rod 9 is a cylindrical body, its quantity is at least more than one or one, in the present embodiment be two, connecting rod 9 can adopt be fixedly connected or the movable mode that connects preceding lock core 7, rear lock core 13 links up, be fixedly connected and can adopt the method for welding, the movable connection then can be at preceding lock core 7, respectively bore a hole that is complementary with connecting rod 9 on the rear lock core 13, enter connecting rod 9 fillings just passable then.

Place, its axis direction center, preceding lock core 7 upper edges offer one connect whole before the round key hole 36 of lock core 7, offer a key 8 that connects whole preceding lock core 7 along the every interval of the circumference in round key hole 36 120 degree, totally three, the cross sectional shape of key 8 is circular, cut apart round key hole 36 formed three keyhole hole walls 38 by three key 8, on any hole wall 38, offer the reinforcement pellet shot from a slingshot hole 37 that communicates with round key hole 36, the aperture of the end that reinforcement pellet shot from a slingshot hole 37 communicates with round key hole 36 is slightly littler than the aperture of the other end, its vertical section is trapezoidal, the quantity of strengthening pellet shot from a slingshot hole 37 is at least one or more, in the present embodiment be one, the cross sectional shape of strengthening pellet shot from a slingshot hole 37 is oval, strengthen being equipped with in the pellet shot from a slingshot hole 37 and strengthen pellet shot from a slingshot 39, and spring 42, the shape of strengthening pellet shot from a slingshot 39 adapts with the shape of strengthening pellet shot from a slingshot hole 37, above three key 8, all offer row's lock core marble hole 40, its aperture is a bit larger tham the width of key 8, and communicate with key 8, correspondingly above lock core marble hole 40, offer lock marble hole 41, in lock marble hole 41 and the lock core marble hole 40 pellet shot from a slingshot 6 is housed, marble spring 5, pellet shot from a slingshot 6 is copper solid pellet shot from a slingshot, at preceding lock core 7, on the lock body 4, be provided with concealed type magnetic bullet hole 12 accordingly, its quantity be at least a pair of or a pair of more than, be a pair of in the present embodiment, concealed type magnetic bullet hole 12 does not communicate with round key hole 36, bread the magnetic bullet 11 of one deck stainless steel outer sleeve outside being equipped with in concealed type magnetic bullet hole 12, the diameter of magnetic bullet 11 is not less than 3 millimeters, in concealed type magnetic bullet hole 12, also be provided with a block reset magnet 10, its effect is when key detaches tapered end, guarantees resetting of magnetic bullet 11.

On rear lock core 13, offer a round key hole 31 along its place, axis direction center, end in round key hole 31 is provided with the screw thread 28 of projection, screw thread 28 links with the rotatable screw rod 19 that front end is made cylindrical body, the front end 30 of rotatable screw rod 19 is in the round key hole 31, the other end is in outside the tapered end by the rear end cap hole 26 of lock body 4 and the rear end cap hole 24 of lock tube 3, can connect with the transmission mechanism of lockset, between the rear end cap hole 24 of the rear end cap hole 26 of lock body 4 and lock tube 3, be provided with jump ring 18, be used for fixing rotatable screw rod 19, prevent to be shifted before and after it, the cross sectional shape of the front end 30 of rotatable screw rod 19 is a square, its diameter is less than the diameter of rotatable screw rod 19 shafts, place, front end 30 centers at rotatable screw rod 19 is provided with the movable telescopic bar 29 that connects entire front end 30, one end of movable telescopic bar 29 contacts with the movable push rod 21 that is located at rotatable screw rod 19 the insides, the inside of rotatable screw rod 19 also is provided with the back-moving spring 22 of movable telescopic bar 29, on the bar wall 20 of rotatable screw rod 19, be provided with top 25 corresponding positioning hole 23 with movable push rod 21, with the locating hole 23 corresponding pellet shot from a slingshot holes, location 15 that are provided in a side of on the lock body rear end cap 27, location pellet shot from a slingshot 16 is housed in the pellet shot from a slingshot hole, location 15, retainer spring 14, on rear lock core 13, be provided with a location shrinkage pool 35, with the location shrinkage pool 35 corresponding locating holes 33 that are provided in a side of on the lock body 4, end shape is housed in the locating hole 33 locatees pellet shot from a slingshot 32 with the round end that the shape of locating shrinkage pool 35 adapts, and spring 34, at rear lock core 13, on the lock body 4, be provided with concealed type magnetic bullet hole 12 accordingly, its quantity be at least a pair of or a pair of more than, in the present embodiment be 2 pairs, the magnetic bullet 11 that outer bread one deck stainless steel outer sleeve is housed in the concealed type magnetic bullet hole 12, and reset magnet 10.

The course of work of the utility model tapered end is as follows: insert the key that is complementary with the utility model tapered end, make pellet shot from a slingshot 6 on the utility model tapered end, one end of reinforcement pellet shot from a slingshot 39 and magnetic bullet 11 all is in the intersection between lock body, the lock core, enters opening.The front end of key then surrounds the front end 30 that blocks rotatable screw rod 19, and movable telescopic bar 29 jacking inside at the place, front end 30 centers that is in rotatable screw rod 19, movable telescopic bar 29 jacking inward, just can promote to be located at movable push rod 21 risings of rotatable screw rod 19 the insides, thereby jack-up is blocked the location pellet shot from a slingshot 16 of rotatable screw rod 19, make its end be in the intersection that turns between screw rod 19 and the lock body rear end cap hole 26, enter opening, at this moment, the obstacle of the utility model tapered end is all removed, can at random turn right or past anticlockwise, thereby realize unlatching or the locking function of the utility model tapered end lockset.

Fig. 4, Fig. 5 show second kind of embodiment of the utility model tapered end, compare with above-mentioned first kind of embodiment, and the tapered end in the present embodiment has been done a little corresponding changes at the tapered end among first kind of embodiment, and basic structure then remains unchanged.Wherein, before the cross sectional shape of three key 8 on the lock core 7 become rectangle, the cross sectional shape of strengthening pellet shot from a slingshot hole 37 become prismatic, the cross sectional shape of the front end 30 of the rotatable screw rod 19 on the rear lock core 13 has then become triangle, and other all structures then remain unchanged.Through after the above-mentioned change, can under the constant prerequisite of the basic structure of the tapered end in keeping first kind of embodiment, produce more different key, increased the secret key amount of the utility model tapered end.

Fig. 6, Fig. 7 show the third embodiment of the utility model tapered end, compare with above-mentioned first kind of embodiment, and the tapered end in the present embodiment has been done a little corresponding changes at the tapered end among first kind of embodiment, and basic structure then remains unchanged.Wherein, the cross sectional shape of three key 8 on the preceding lock core 7 has nothing in common with each other, article one, become prismatic, one and become the T font, the last item has become fan-shaped, the cross sectional shape of strengthening pellet shot from a slingshot hole 37 has then become rectangle, the cross sectional shape of the front end 30 of rotatable screw rod 19 has become trapezoidal, and other all structures still remain unchanged.Through after such change, can under the constant prerequisite of the basic structure of the tapered end in keeping first kind of embodiment, produce more different key, increased the secret key amount of the utility model tapered end.

Certainly, the specific embodiment of the utility model tapered end is not limited to above-mentioned three kinds, and other conversion also can be arranged.Can be transformed into blade profile, trapezoidal, triangle, droplet-shaped or other suitable shapes as the cross sectional shape of three key; The cross sectional shape of strengthening the pellet shot from a slingshot hole can be transformed into square, circle, hexagon or other suitable shapes; That the cross sectional shape of the front end of rotatable screw rod can be transformed into is quincunx, circular, cross, X type, polygonal or other suitable shapes.As long as adopted three key, strengthen the pellet shot from a slingshot hole, these technical measures of front end of rotatable screw rod, no matter which type of shape it is varied to, all drop within the protection domain of the present utility model.

For the utility model, what must indicate a bit is, the hardness of making the material of connecting rod 9 must be lower than the hardness of the magnetic bullet 11 of the stainless steel outer packed cover on the rear lock core 13.Only in this way, can guarantee just when external force is reversed the utility model tapered end by force that connecting rod 9 can rupture than the magnetic bullet 11 of the stainless steel outer packed cover on the rear lock core 13 in advance, thereby realize that the utility model tapered end can prevent destructive purpose of opening.

Claims

1. tapered end, comprise lock tube (3), lock body (4) is housed in the lock tube (3), preceding lock core (7) and rear lock core (13) are housed in the lock body (4), on preceding lock core (7), be provided with pellet shot from a slingshot (6), marble spring (5), on rear lock core (13), be provided with magnetic bullet (11), it is characterized in that: be separated with certain distance between between described preceding lock core (7) and the rear lock core (13), and link up with connecting rod (9).

2. a kind of tapered end according to claim 1 is characterized in that: described connecting rod (9) be shaped as cylindrical body, its quantity is at least one.

3. a kind of tapered end according to claim 1 is characterized in that: described magnetic bullet (11) outside is surrounded by one deck stainless steel outer sleeve, and its diameter is not less than 3 millimeters.

4. a kind of tapered end according to claim 1, it is characterized in that: its place, axis direction center, lock core (7) upper edge is provided with round key hole (36) before described, offer a key (8) along the every interval of the circumference of round key hole (36) 120 degree, totally three, offer at least one on the hole wall (38) in described round key hole (36) and strengthen pellet shot from a slingshot hole (37), its place, axis direction center, described rear lock core (13) upper edge is provided with round key hole (31), one end in round key hole (31) is provided with the screw thread (28) of projection, screw thread (28) links with the rotatable screw rod (19) that front end is made cylindrical body, and the front end (30) of rotatable screw rod (19) is in the round key hole (31).

5. a kind of tapered end according to claim 4 is characterized in that: described three key (8) be shaped as circle, described reinforcement pellet shot from a slingshot hole (37) be shaped as ellipse, the front end (30) of described rotatable screw rod (19) be shaped as square.

6. a kind of tapered end according to claim 4 is characterized in that: described three key (8) be shaped as rectangle, described reinforcement pellet shot from a slingshot hole (37) be shaped as prismatic, the front end (30) of described rotatable screw rod (19) be shaped as triangle.

7. a kind of tapered end according to claim 4, it is characterized in that: the shape of each bar key of described three key (8) is all inequality, article one, be prismatic, article one, be the T font, the last item is fan-shaped, described reinforcement pellet shot from a slingshot hole (37) be shaped as rectangle, being shaped as of the front end (30) of described rotatable screw rod (19) is trapezoidal.

8. a kind of tapered end according to claim 4 is characterized in that: the inside of described rotatable screw rod (19) is provided with movable part.

9. a kind of tapered end according to claim 8, it is characterized in that: described movable part comprises movable telescopic bar (29), movable push rod (21), back-moving spring (22), one end of described movable telescopic bar (29) runs through the front end (30) of rotatable screw rod (19), be in its place, center, the other end contacts with movable push rod (21), and top (25) of described movable push rod (21) are corresponding with the locating hole (23) on the bar wall (20).

10. according to each described a kind of tapered end in the claim 4 to 7, it is characterized in that: be equipped with in the described reinforcement pellet shot from a slingshot hole (37) and strengthen pellet shot from a slingshot (39), the shape of described reinforcement pellet shot from a slingshot (39) is complementary with the shape of strengthening pellet shot from a slingshot hole (37).