CN2281382Y

CN2281382Y - Coded lock for motorcycle

Info

Publication number: CN2281382Y
Application number: CN 96206681
Authority: CN
Inventors: 张永飞
Original assignee: Individual
Current assignee: Individual
Priority date: 1996-03-28
Filing date: 1996-03-28
Publication date: 1998-05-13
Anticipated expiration: 2006-03-28

Abstract

The utility model relates to a coded lock for a motorcycle. The utility model comprises two big parts: fixed seats (15, 16) and a lock body which is composed of a lock rod (1), a front lock rod seat (2), a back lock rod seat (12), a code changing ring (3), a code ring (4) and a locating ring (5). The features of the utility model are as following: the lock rod (1) is equipped with a plurality of circular arc-shaped slots (13); the front lock rod seat (2) is hollow and provided with a tubular tail; part on the front lock rod seat (2), which is in correspondence with the code changing ring (3), is equipped with a small hole; the small hole is equipped internally with a locating steel ball to control locking of the lock rod (1), which is in correspondence with the front lock rod seat (2); the part between the code ring (4) and the code changing ring (3) is equipped with a spring type clutch mechanism to control clutch of them. The special structure provided by the utility model can avoid abnormal unlocking by making use of feeling of pulling the lock and hearing. The utility model is fine in theft-proof performance.

Description

The motorcycle anti-theft coded lock

The utility model relates to the motorcycle anti-theft coded lock of a kind of anti-theft lock for motorcycle, particularly a kind of variable cipher.

At present; along with increasing of motorcycle; the stolen incident of motorcycle also happens occasionally; people have begun to take some anti-theft measures; roughly being divided into electronic anti-theft reports to the police and mechanical lock two big forms; the former usually can false alarm; in case and circuit is cut off and has also just lost the warning function; the general use latter's is more; and combination type theftproof lock wherein is because of opening conveniently; needn't carry key and be commonly the user and like, but existing motorcycle puzzle theft-proof lock or can not change password or the change password cumbersome, the sensation when stealer also may be stirred the password circle by dependence and the sense of hearing and improper unblanking; in a word, its structure is desirable not to the utmost.

The purpose of this utility model is with regard to being at the present situation of above-mentioned prior art and a kind of motorcycle anti-theft coded lock of the password changed rational in infrastructure is provided.

Design scheme of the present utility model comprises holder and lock body two large divisions, lock body is connected with a holder wherein, another is for installing and fixing seat, lock body comprises locking bar, front locking lever seat, back lock bar seat and therebetween many retainings are by code changing cycle, be enclosed within the Cipher mechanism that its outer figure ring and centring ring constitute, its special character is the arc groove that has multiple tracks corresponding with the password circle on the described locking bar, described front locking lever seat hollow also has a tube-shaped tail, described code changing cycle promptly overlaps thereon, the tail pipe of front locking lever seat has aperture in the position of corresponding code changing cycle, be provided with locking steelball in the aperture, the locking of the relative front locking lever seat of control locking bar, figure ring, their clutch of cylinder type clutch control is arranged between the code changing cycle;

Described cylinder type clutch is positioned at the aperture of figure ring, constitute by spring and upper and lower pellet shot from a slingshot, upper and lower pellet shot from a slingshot all is tee T, be provided with by " head to head " mode, code changing cycle the corresponding position have arc groove with hold described on the T-shaped portion of pellet shot from a slingshot, the groove center drilling is so that upper and lower pellet shot from a slingshot can be free wherein up and down.

Described two holders are connected and fixed with a screw, and the screw periphery at the bonding surface place is with a movable saw preventing sleeve.

The utility model is fixed on the motorcycle front shock-proof device bar in use, when locking bar is overhanging, be about to wheel lock, compared with prior art, coded lock technology is applied to lock for motorcycle, needn't carry key during use, password can arbitrarily be set, and special cylinder type clutch reaches and can prevent improper the unblanking to dial the lock sensation and the sense of hearing to sign indicating number, a change sign indicating number detent mechanism, so theftproof performance is good, the setting of saw preventing sleeve has then strengthened the pick-proof performance.

Description of drawings.

Fig. 1 is a structure cross-sectional schematic of the present utility model.

Fig. 2 is the body figure of outward appearance of the present utility model.

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

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

Embodiment is described in further detail the utility model below in conjunction with accompanying drawing.

As shown in Figure 1, 2, the motorcycle anti-theft coded lock comprises holder and lock body, with screw (18) connection is installed between two holders (15,16), can be with capping (17) sealing screw to prevent dismounting after installation; Screw (18) periphery at the bonding surface place of described two holders (15,16) is with the movable saw preventing sleeve (19) once Quenching Treatment better, can make joyriding skid and shield when the sawed-off attachment screw of intention (18);

Lock body comprises locking bar (1), front locking lever seat (2), back lock bar seat (12) and Cipher mechanism;

As shown in Figure 1, front locking lever seat (2) hollow also has a tube-shaped tail, and back lock bar seat (12) is fixed on its tail end with thread connecting mode; Holder when in the end assembling (15) welds with front locking lever seat (2), back lock bar seat (12) respectively;

Cipher mechanism promptly is positioned between the forward and backward lock bar seat (2,12), is enclosed within outer password circle of front locking lever seat (2) tail pipe and centring ring (5) formation thereof by many grades (being four retainings in the present embodiment) arranged side by side; The password circle comprises code changing cycle (3) and is enclosed within its outer figure ring (4), its section is edge-on " protruding " " recessed " font respectively, and cooperatively interact, there is the sign indicating number of change detent mechanism at place, mating face at them: a plurality of location pits (8) are uniformly distributed along the circumference on the floral disc of code changing cycle (3), as shown in Figure 3, number digital on its number and figure ring (4) periphery is consistent, and figure ring (4) has blind hole on the corresponding engagement face, there is steel ball (7) to cooperate in the hole with described pit (8) by spring (6) supporting, stepping according to number when figure ring (4) is rotated with respect to code changing cycle (3), password circle and centring ring (5) are spaced, realize by the groove fit on projection on its inner ring and front locking lever seat (2) tail pipe location of centring ring (5), as shown in Figure 4, can certainly adopt other modes, as be threaded etc., there is pair sign indicating number detent mechanism at the place, mating face of centring ring (5) and figure ring (4): the side of centring ring (5) a plurality of location pits (11) that are uniformly distributed along the circumference, as shown in Figure 4, number digital on its number and figure ring (4) periphery is consistent, and figure ring (4) has blind hole on the side of correspondence, have steel ball (10) to cooperate in the hole with described pit (11) by spring (9) supporting, make password circle integral body relative to front locking lever seat (2) when tail pipe rotates stepping according to number locate; Positioning ball (7,10) and spring (6,9) thereof that described change sign indicating number detent mechanism reaches the sign indicating number detent mechanism are respectively one or more groups, and be staggered mutually;

Password can directly be engraved on the periphery of figure ring (4), also can be again at its periphery cover one plastics number ring that is connected with it, as shown in Figure 1; The figure place of password is decided on demand, can be the decimal system, also can be the duodecimal notation or other;

Multiple tracks arc groove (13) is arranged on the locking bar (1), its spacing is consistent with the spacing of password circle, afterbody has end seat (14) start stop bit effect and the double as handle that is fixed with one or flexibly connects, have a plurality of apertures corresponding on the tail pipe of front locking lever seat (2), in each aperture, be provided with a locking steelball (24) with the password circle;

The left side first retaining password circle promptly is in password to punctual state in shown in Figure 1, figure ring (4) is a cylinder type with the clutch of code changing cycle (3), be positioned at the aperture of figure ring (4), constitute by bullet Huang (21) and upper and lower pellet shot from a slingshot (23,22), and seal in the other end of figure ring (4) by capping (20), upper and lower pellet shot from a slingshot (23,22) all is tee T.Be provided with by " head to head " mode; Code changing cycle (3) the corresponding position have arc groove with hold described on the T-shaped portion of pellet shot from a slingshot (23), the groove center drilling is so that upper and lower pellet shot from a slingshot (23,22) can be free wherein up and down; As shown in Figure 3, when password is aimed at by all password circle portions, all locking steelballs (24) all just in time are on the last pellet shot from a slingshot (23) of clutch, at this moment as long as enforce locking bar (1) slightly, its arc groove will be locking steelball (24) to pressing down, thereby locking bar (1) is vertically moved, finish and lock or unlocking action;

At unlocking condition, have only when locking steelball (24) is positioned at convex surface between adjacent two arc grooves of locking bar (1), because pellet shot from a slingshot (23) makes spring (21) compression in steel ball (24) compressing, the mating face of at this moment upper and lower pellet shot from a slingshot (23,22) is concordant with the circumferential abutment face of figure ring (4), code changing cycle (3), figure ring this moment (4) can rotate with respect to code changing cycle (3), realizes the conversion of password; And under other situations, because the pin effect of following pellet shot from a slingshot (22) is connected as a single entity figure ring (4) and code changing cycle (3), when unblanking to sign indicating number or locking mess code, makes as a whole password circle and together rotate.

As long as the password misalignment of a password circle is arranged,, make locking bar (1) locking not removable because locking steelball (24) is stuck between the tail pipe of locking bar groove (13) and front locking lever seat (2).

For said structure is achieved, the wall thickness sum of the degree of depth of described locking bar arc groove (13) and front locking lever seat (2) tail pipe should equal or be slightly larger than positioning ball (24) diameter; The wall thickness sum of the up and down range values of pellet shot from a slingshot on the described clutch (23) and front locking lever seat (2) tail pipe also should equal or be slightly larger than the positioning ball diameter.

From operating principle of the present utility model as seen, the structure of its Cipher mechanism goes for other various types of coded locks equally, is not limited to the category of motorcycle or bicycle lock, also within the claimed scope of the utility model.

Claims

1. motorcycle anti-theft coded lock, comprise holder (15,16) and the lock body two large divisions, lock body and holder (15) are connected, (16) for installing and fixing seat, lock body comprises locking bar (1), front locking lever seat (2), back lock bar seat (12) and therebetween many retainings are by code changing cycle (3), be enclosed within the Cipher mechanism that its outer figure ring (4) and centring ring (5) constitute, it is characterized in that the multiple tracks arc groove corresponding with the password circle (13) arranged on the described locking bar (1), described front locking lever seat (2) hollow also has a tube-shaped tail, described code changing cycle (3) promptly overlaps thereon, tail pipe has aperture in the position of corresponding code changing cycle (3), be provided with locking steelball (24) in the aperture, control locking bar (1) is the locking of front locking lever seat (2) relatively, figure ring (4), their clutch of cylinder type clutch control is arranged between the code changing cycle (3).

2. motorcycle anti-theft coded lock as claimed in claim 1, it is characterized in that described cylinder type clutch is positioned at the aperture of figure ring (4), constitute by spring (21) and upper and lower pellet shot from a slingshot (23,22), upper and lower pellet shot from a slingshot (23,22) all is tee T, be provided with by " head to head " mode, code changing cycle (3) the corresponding position have arc groove with hold described on the T-shaped portion of pellet shot from a slingshot (23), the groove center drilling is so that upper and lower pellet shot from a slingshot (23,22) can be free wherein up and down.

3. motorcycle anti-theft coded lock as claimed in claim is characterized in that described holder (15) welds with front locking lever seat (2), back lock bar seat (12) respectively.

4. motorcycle anti-theft coded lock as claimed in claim 1 is characterized in that having on the inner ring of centring ring (5) projection to be connected the location with groove fit on front locking lever seat (2) tail pipe.

5. motorcycle anti-theft coded lock as claimed in claim 1, the section that it is characterized in that described code changing cycle (3) and figure ring (4) is edge-on " protruding " " recessed " font respectively, and cooperatively interact, have at their mating face place and to become a sign indicating number detent mechanism: be uniformly distributed along the circumference on the floral disc of code changing cycle (3) with figure ring (4) periphery on the consistent location pit (8) of number of number, and figure ring (4) has blind hole on the corresponding engagement face, has the steel ball (7) by spring (6) supporting to cooperate with described pit (8) in the hole.

6. motorcycle anti-theft coded lock as claimed in claim 1, there is pair sign indicating number detent mechanism at the place, mating face that it is characterized in that described centring ring (5) and figure ring (4): the side of centring ring (5) be uniformly distributed with along the circumference with figure ring (4) periphery on the digital consistent location pit (11) of number, figure ring (4) then has blind hole on the side of correspondence, have the steel ball (10) by spring (9) supporting to cooperate with described pit (11) in the hole.

7. as claim 5 or 6 described motorcycle anti-theft coded locks, it is characterized in that described positioning ball (7,10) and spring (6,9) thereof have many groups, staggered mutually.

8. motorcycle anti-theft coded lock as claimed in claim 1 is characterized in that screw (18) periphery at the bonding surface place of two holders (15,16) is with a movable saw preventing sleeve (19).

9. motorcycle anti-theft coded lock as claimed in claim 1 is characterized in that being with number ring at a moment on the periphery of described figure ring (4).

10. motorcycle anti-theft coded lock as claimed in claim 1 is characterized in that described back lock bar seat (12) is fixed on the tail end of its front locking lever seat (2) with thread connecting mode.