CN201486296U

CN201486296U - Anti-theft digital lock for bicycle

Info

Publication number: CN201486296U
Application number: CN2009201027364U
Authority: CN
Inventors: 王清殿
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-05-13
Filing date: 2009-05-13
Publication date: 2010-05-26
Anticipated expiration: 2019-05-13

Abstract

The utility model relates to an anti-theft digital lock for a bicycle for preventing from seeking arranging numbers by rotating a digital wheel, and belongs to the technical field of lockset. The utility model adopts the following technical scheme that the lock comprises a lock body, a main shaft, the digital wheel, a locking collar, a digital wheel lock lever, wherein a plurality of notches and lock lever bodies are arranged on the digital wheel lock lever, grooves corresponding to digital bits are arranged at the upper edge of the digital wheel, the upper edge of the digital wheel is embedded in the notches, the distance between the edge of the digital wheel and the edge of the notches is shorter than that between the edge of the digital wheel and a fixed key, and one end of the digital wheel lock lever is connected with a shift lever. Since the distance between the edge of the notches on the added digital wheel lock lever and the edge of the digital wheel is shorter than that between the edge of the digital wheel and the fixed key for the main shaft, when the fixed key for the main shaft is in contact with the digital wheel, the digital wheel lock lever body is positioned in the grooves at the upper edge of the digital wheel, so that the digital wheel can not rotate, and the position of the key slot of the digital wheel can not be sought. The utility model preclude the possibility that the arranging numbers of the digital lock is sought, and is worthy of popularization and use.

Description

A kind of bicycle theft-prevention combination padlock

Technical field

The utility model relates to the lock that vehicles such as a kind of bicycle, electric motor car use, and belongs to lock technology field.

Background technology

Bicycle, electric motor car are the widely used walking-replacing tools of the present people, advantage such as have conveniently, pollution-free.In order to prevent loss, manufacturer has designed various bicycle locks, and multiple locksets such as mechanical lock, steel wire lock, combination padlock, electronic lock are arranged.These locksets respectively have pluses and minuses: mechanical lock and steel wire lock use the most extensive, convenient, and kind is also a lot, but being easy to stolen person opens or destroy; Electronic lock is novel lockset, and scientific and technological content is higher, generally be not easy to be opened, but in recent years because the thief has used instruments such as electronics decoder, electronic lock thereby can be opened easily; Combination padlock number combined information amount is big, does not need key, and is easy to use, and still owing to adopt an axle construction usually, the thief can seek the arrangement number by the rotation digital wheel and be opened.In the face of this situation, the technician need be further improved existing lockset, with the probability that reduces to be opened, reduces bicycle, the stolen possibility of electric motor car.

Summary of the invention

Technical problem to be solved in the utility model provides a kind of bicycle theft-prevention combination padlock that digital wheel is sought the arrangement number that can prevent to rotate.

The technical scheme that solves the problems of the technologies described above is:

A kind of bicycle theft-prevention combination padlock, it is by lock body, main shaft, digital wheel, retainer is formed, main shaft and digital wheel are contained in the lock body, digital wheel has a plurality of, arrangement is sleeved on the main shaft, retainingf key is arranged on the main shaft, corresponding fixedly keyway is arranged on the digital wheel, and lock body is passed at the retainer two ends, and main shaft one end withstands in the draw-in groove of retainer, main shaft is connected with driving lever, its improvements are that it has also installed a digital wheel locking bar, has a plurality of gap on the digital wheel locking bar, the position of gap is corresponding with digital wheel, be the locking bar body between two gap, the digital wheel top edge is embedded in the gap, has with digital corresponding groove along the digital wheel circumference, less than the distance of digital wheel edge to the retainingf key of main shaft, an end of digital wheel locking bar is connected with driving lever to the distance at gap edge at the digital wheel edge.

Above-mentioned bicycle theft-prevention combination padlock, described main shaft and digital wheel locking bar lay respectively at the driving lever both sides, on main shaft and digital wheel locking bar allocating slot are arranged respectively, and there is rotating shaft in driving lever central authorities, and the driving lever two ends embed respectively in the allocating slot on main shaft and the digital wheel locking bar.

Above-mentioned bicycle theft-prevention combination padlock, described main shaft and digital wheel locking bar and driving lever engagement place are rack structure, and driving lever is a gear structure, and there is rotating shaft in gear central authorities, and gear edge is meshed with tooth bar.

Above-mentioned bicycle theft-prevention combination padlock also has the digital wheel locating hole on lock body, the position of locating hole is corresponding one by one with digital wheel, and the decorative pearl on top of an official cap and top spring are arranged in the locating hole, and the locating hole capping is arranged on lock body.

Adopt the bicycle theft-prevention combination padlock of this structure, because seeking the arrangement number must rub digital wheel with the main shaft retainingf key mutually, thereby the fixedly keyway position of sensation digital wheel, but the gap edge on the digital wheel locking bar that increases to the distance of digital wheel less than the distance of digital wheel edge to the main shaft retainingf key, stir in the groove of top edge that digital wheel contacts back digital wheel locking bar with the main shaft retainingf key locking bar body promptly is inserted into digital wheel, digital wheel can not rotate, and also just can't seek the position of digital wheel keyway.The utility model has been got rid of combination padlock and has been sought the possibility of arranging number, and the safety of combination padlock is greatly increased, and may be opened hardly, has very large Practical significance, is worthy of popularization.

Description of drawings

Fig. 1 is a structural representation of the present utility model;

Fig. 2 is the vertical view of Fig. 1;

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

Fig. 4 is the structural representation of main shaft;

Fig. 5 is the structural representation of digital wheel locking bar;

Fig. 6 is the structural representation of digital wheel;

Fig. 7 is the B-B sectional view of Fig. 6.

Mark is as follows among the figure: lock body 1, main shaft 2, digital wheel 3, retainer 4, retainingf key 5, fixedly keyway 6, main shaft top spring 7, driving lever 8, digital wheel locking bar 9, gap 10, locking bar body 11, allocating slot 12, locating hole 13, the decorative pearl on top of an official cap 14, top spring 15, capping 16, groove 17

The specific embodiment

Fig. 1,2,3 shows that the utility model is made up of lock body 1, main shaft 2, digital wheel 3, retainer 4.Main shaft 2 and digital wheel 3 are contained in the lock body 1, and digital wheel 3 has 5-6, and the embodiment among the figure is 5.Digital wheel 3 is arranged and is sleeved on the main shaft 2, and retainingf key 5 is arranged on the main shaft 2, and corresponding fixedly keyway 6 is arranged on the digital wheel 3.Lock body 1 is passed at retainer 4 two ends, and main shaft 2 one ends withstand in the draw-in groove of retainer 4, and the other end of main shaft 2 has main shaft top spring 7, and main shaft 2 is connected with driving lever 8 near an end of retainer 4.When combination padlock was in locking-in state, retainer 4 inserted lock body 1, and main shaft 2 one ends withstand in the draw-in groove of retainer 4, digital wheel 3 turned positions at random, retainingf key 5 on the main shaft 2 does not have the fixedly keyway 6 of aligned number code wheel 3, so main shaft 2 can not be struck, and promptly is in the lock state.When unblanking, with the rotated position of digital wheel 3 according to prior setting, after aiming at number, the fixedly keyway 6 of digital wheel 3 is aimed at the retainingf key 5 on the main shaft 2, stir driving lever 8, main shaft 2 overcomes main shaft top spring 7 pressure and moves backward, and front end breaks away from the draw-in groove of retainer 4, retainer 4 can be pulled out in lock body 1, unblanks.After unblanking, unlocking person unclamps driving lever 8, and main shaft 2 moves forward under the pressure of main shaft top spring 7 and resets, if at this moment arbitrarily rotate moving digital wheel 3, it is fixing to be about to main shaft 2, can not lock again, pins if desired, number need be aimed at, stir main shaft 2 and retreat, insert retainer 4, unclamp driving lever 8, move up into draw-in groove before the main shaft 2, rotate digital wheel 3 again and can pin.

Show among the figure, in order to prevent that the someone from seeking the arrangement number of combination padlock, the utility model has also been installed a digital wheel locking bar 9, digital wheel locking bar 9 is installed in the top of digital wheel 3, the soffit of digital wheel locking bar 9 has a plurality of gap 10, the position of gap 10 is corresponding with digital wheel 3, is locking bar body 11 between two gap 10.Digital wheel 3 circumference of the present utility model have with the corresponding groove 17 of digital figure place, and the groove of a plurality of digital wheels 3 17 is arranged formed passage can allow digital locking bar 9 move left and right, not interrupted.When digital wheel locking bar 9 moves to gap 10 facing to digital wheel 3 top edges, the top edge of digital wheel 3 can rotate by gap 10, and when digital wheel locking bar 9 moves to locking bar body 11 facing to digital wheel 3, the top edge of digital wheel 3 is higher than the part of groove 17 and is promptly blocked by locking bar body 11, digital wheel 3 promptly can not rotate, so the rotation that mobile digital wheel locking bar 9 can be controlled digital wheel 3 to diverse location whether.Less than the distance of digital wheel 3 edges to the retainingf key 5 of main shaft 2, an end of digital wheel locking bar 9 is connected with driving lever 8 to the distance at gap 10 edges at digital wheel 3 edges.

The function of digital wheel locking bar 9 is as follows:

1. when unclamping driving lever 8 rotation digital wheels 3, digital wheel locking bar 9 cuts little ice, and can not influence the user and normally unblank;

2. if when wanting to drive retainingf key 5 on the main shafts 2 and look for the sensation of fixedly keyway 6 positions of digital wheel 3 by driving lever 8, must main shaft 2 be moved right with driving lever 8, while driving lever 8 is then stirred digital wheel locking bar 9 and is slided left, since digital wheel 3 edges to the distance at gap 10 edges less than the distance of digital wheel 3 edges to the retainingf key 5 of main shaft 2, therefore when retainingf key 5 and digital wheel 3 EDGE CONTACT are blocked, the locking bar body 11 of digital wheel locking bar 9 has been inserted in the groove 17 at digital wheel 3 edges, digital wheel 3 can not be rotated, just can not find main shaft 2 retainingf keys 5 and the sensation that digital wheel rubs, also just can not find the position of the fixedly keyway 6 of digital wheel 3.

Show among the figure that main shaft 2 and digital wheel locking bar 9 lay respectively at driving lever 8 both sides, on main shaft 2 and digital wheel locking bar 9 allocating slot 12 is arranged respectively, there is rotating shaft in driving lever 8 central authorities, and driving lever 8 two ends embed respectively in the allocating slot 12 on main shaft 2 and the digital wheel locking bar 9.On lock body 1, also has digital wheel locating hole 13, the position of locating hole 13 is corresponding one by one with digital wheel 3, each digital wheel 3 corresponding locating hole 13, the decorative pearl on top of an official cap 14 and top spring 15 are arranged in the locating hole 13, the decorative pearl on top of an official cap 14 withstands in the edge groove of digital wheel 3, make digital wheel 3 accurate positioning when rotating, on lock body 1, have locating hole capping 16 that the decorative pearl on top of an official cap 14 and top spring 15 are enclosed in the lock body 1.

Fig. 5 is the structure of another kind of digital wheel locking bar 9.Show among the figure that driving lever 8 recited above can also be designed to rack structure with the engagement place of main shaft 2 and digital wheel locking bar 9, driving lever 8 is a gear structure, and there is rotating shaft in gear central authorities, and gear edge is meshed with tooth bar.

Lock body 1 of the present utility model and critical piece all adopt the casting of smart steel, and be sturdy and durable, and retainer can prevent that through Overheating Treatment locking pliers from shearing or hacksaw is sawed-off, therefore can only can be not destroyed by digital unlatching.But sought the possibility of arranging number owing to got rid of combination padlock, the safety of combination padlock is greatly increased, almost can not be opened, had very large Practical significance, be worthy of popularization with illegal means.

Claims

1. bicycle theft-prevention combination padlock, it is by lock body [1], main shaft [2], digital wheel [3], retainer [4] is formed, main shaft [2] and digital wheel [3] are contained in the lock body [1], digital wheel [3] has a plurality of, arrangement is sleeved on the main shaft [2], retainingf key [5] is arranged on the main shaft [2], corresponding fixedly keyway [6] is arranged on the digital wheel [3], lock body [1] is passed at retainer [4] two ends, main shaft [2] one ends withstand in the draw-in groove of retainer [4], main shaft [2] is connected with driving lever [8], it is characterized in that: it has also installed a digital wheel locking bar [9], have a plurality of gap [10] on the digital wheel locking bar [9], the position of gap [10] is corresponding with digital wheel [3], is locking bar body [11] between two gap [10], digital wheel [3] top edge is embedded in the gap [10], have with the corresponding groove of digital figure place [17] along digital wheel [3] circumference, less than the distance of digital wheel [3] edge to the retainingf key [5] of main shaft [2], an end of digital wheel locking bar [9] is connected with driving lever [8] to the distance at gap [10] edge at digital wheel [3] edge.

2. bicycle theft-prevention combination padlock according to claim 1, it is characterized in that: described main shaft [2] and digital wheel locking bar [9] lay respectively at driving lever [8] both sides, on main shaft [2] and digital wheel locking bar [9], allocating slot [12] is arranged respectively, there is rotating shaft in driving lever [8] central authorities, and driving lever [8] two ends embed respectively in the allocating slot [12] on main shaft [2] and the digital wheel locking bar [9].

3. bicycle theft-prevention combination padlock according to claim 1 is characterized in that: described main shaft [2] and digital wheel locking bar [9] are rack structure with driving lever [8] engagement place, and driving lever [8] is a gear structure, and there is rotating shaft in gear central authorities, and gear edge is meshed with tooth bar.

4. according to claim 2 or 3 described bicycle theft-prevention combination padlocks, it is characterized in that: go up digital wheel locating hole [13] in addition at lock body [1], the position of locating hole [13] is corresponding one by one with digital wheel [3], the decorative pearl on top of an official cap [14] and top spring [15] are arranged in the locating hole [13], locating hole capping [16] is arranged on lock body [1].