CN2184057Y - U shape clock for bicycle - Google Patents

Abstract

The utility model relates to a U-shaped lock for a bicycle, which is formed by a U-shaped lock rod and a lock body. The rod feet of the lock rod of the U-shaped lock for a bicycle is provided with a ring type groove which is coaxial with the axis center of the lock rod, the inner of the lock body is provided with two clamping sheets of bilateral symmetry with identical shapes, sizes and positions and two cylinder-shaped holes used for the insertion of the lock rod, and each of the two clamping sheets is provided with two clamping blocks. When the rod feet of the U-shaped lock rod are inserted into the cylinder-shaped holes of the lock body, the ring type groove of each lock foot is bitten and clamped by the two clamping blocks, so the locking strength of the U-shaped lock rod and the lock body is enhanced, and the lock can even more tolerate the destruction made by unfair means such as the knocking, etc.

Description

U shape clock for bicycle

The utility model is relevant a kind of lockset, the U type locomotive lock that particularly relevant a kind of locomotive is used.

Two bar pin of the U-shape lock bar of the U type locomotive commonly used lock generally are respectively to be provided with a breach, insert in the plant circular hole of lock body with convenient bar pin after, fixed and reach the purpose of locking with clip in the lock body or ball.The core of known U type locomotive lock generally all adopts the structural member of senior precision, therefore, even the locksmith is if no identical key also is very difficult to open, general burglar still more.Usually the burglar if the instrument of using when stealing with the bang of U type locomotive lock etc., so that the lock body of U-shape lock bar and column type is separated from each other.Cause locomotive stolen for fear of opening because of modes such as lockset are knocked, especially the personality at a senior locomotive of advanced countries such as Japan and America and Europe often can come up with automobile or surmount it, if therefore stolen will be a no small loss, so the buyer of advanced country has further requirement to U type locomotive lock at present, promptly requiring to draw back the pullout strength that separates with the U-shape lock bar with the locomotive lock after the locking of testing a machine with the lock body must strengthen more, the stronger then U-shape lock bar of pullout strength combines the anti-destruction of more therefore healing with the lock body.

The purpose of this utility model is, a kind of structure improved U type locomotive lock is provided, making wherein, the bar pin of U-shape lock bar respectively is provided with an annular recess, and two clips are arranged respectively in each plant circular hole of lock body, therefore the U-shape lock bar combined locking with lock body after, a locking bar is blocked by two drawing pieces, engages area and increases, and can make more increasing of this U type locomotive lock in conjunction with locking intensity, even it more is able to take anti-destruction of improper means such as knocking.

The purpose of this utility model is realized by following technical scheme.

A kind of U type locomotive lock comprises by U-shape lock bar, lock body, drawing piece and forming, and it is characterized in that wherein:

One U-shape lock bar, its bar pin is provided with the annular recess coaxial with the axle center of bar pin;

One lock body, it is made of a lock body shell and a lock body body, lock body has a rectangle side plate as a long rectangle iron block, it combines with lock body shell and becomes lock body, lock body body central authorities are provided with a vertical cylindrical hole and go into the core rotor for bolt, this cylindrical hole is to each is provided with horizontal groove and vertical cylinder shape groove successively between the two ends of lock body body, each is symmetrical mutually in the position of two horizontal grooves and two cylinder shape grooves, a horizontal spring in the horizontal groove of a left side, the upright spring of left side cylinder shape groove built-in, head on a hat button on the spring, and also have identical structure to be equipped with in right horizontal groove and the right cylinder shape groove, lock body body face is provided with two clips, two clips are that symmetrical centre is provided with the central cylindrical hole, there is a circular arc cutaway on clamping block the right of left side clip head, and it is adjacent with above-mentioned hat button, there is inwardly a drive block in left side clip central authorities, between above-mentioned horizontal groove and core rotor and be adjacent, left side clip afterbody is established a clamping block and is positioned between right horizontal spring and right hat button, there is a circular arc cutaway on this clamping block the right, adjacent with right hat button, about the shape size of two clips identical, respectively be provided with a circular hole about above the above-mentioned lock body shell, and following centre is provided with a circular hole, when locking after one's death so that lock body shell is sleeved on, these three circular holes are corresponding with two the hat buttons and a core rotor of lock body respectively; When the bar pin of U-shape lock bar combines with lock body, two pole pin are blocked by four clipping block interlocks jointly and more strengthen fastness.

The purpose of this utility model also can further be realized by following technical measures.

Aforesaid U type locomotive lock, it is dome shape that the outer cover packaging of wherein said lock body body becomes the two ends of a cylindrical shape and cylinder.

Compared with the prior art the utility model has tangible advantage and good effect.By the technical solution of the utility model as can be known, it incites somebody to action wherein, and the bar pin of U-shape lock bar respectively is provided with an annular recess, and two clips are arranged respectively in each plant circular hole of lock body, after U-shape lock bar and lock body structure locking, a locking bar is blocked by two drawing pieces, therefore engage area and increase, and can make more increasing of this U type locomotive lock, make it more be able to take anti-destruction of improper means such as knocking in conjunction with locking intensity.

In sum, the utility model really can reach its intended purposes and effect, its pullout strength is higher than known U type locomotive lock, therefore more can stand means of destruction such as knocking of burglar opens this U-shape lock and has practicality, and the utility model does not see any publication, really is one to have the new design of novelty, creativeness and practicality.

Concrete structure of the present utility model is provided in detail by following examples and accompanying drawing thereof.

Fig. 1 is the three-dimensional exploded view of the utility model embodiment.

Fig. 2 is the lock body horizontal cross of the utility model embodiment, and this moment, lock body was opening.

Fig. 3 is the lock body horizontal cross of the utility model embodiment, and this moment, lock body was locking-in state.

Fig. 4 is the vertical sectional view of Fig. 3.

Fig. 5 is the outside drawing of another embodiment of the utility model.

Fig. 6 be the utility model U-shape lock bar the bar pin with the annular recess place combine with the clipping block of lock body the locking after horizontal section and schematic side view.

Fig. 7 is a kind of cambered surface groove and the clip horizontal section and schematic side view of locking after pearl locks of the U type locomotive locking bar pin of commonly using.

Fig. 8 is the breach of the U type locomotive locking bar pin commonly used of another kind and horizontal section and the schematic side view after the drawing piece locking.

Concrete structure, feature and the effect of the U type locomotive lock that foundation the utility model is provided below in conjunction with accompanying drawing and preferred embodiment, describe in detail as after.

At first, see also the three-dimensional exploded view that Fig. 1 the utility model U type locomotive is locked an embodiment, and in conjunction with consulting Fig. 2 to shown in Figure 4, U type locomotive lock of the present utility model comprises a U-shape lock bar 1 and a lock body 2; The bar pin of this U-shape lock bar 1 respectively have one with bar pin axle center be the axle center annular recess 11,11 ', use for inserting lock body 2 back lockings.This lock body 2 comprises a lock body shell 3 and a lock body body 4; Lock body body 4 is the shape of a long square sections piece with a rectangle side plate, so that combine and constitute lock body 2 with the lock body shell 3 of grooved, lock body body 4 central authorities have a vertical cylindrical hole 41 to go into core rotor 411 for bolt, so that for inserting key, cylindrical hole 41 to the face between lock body body 4 two ends each be provided with successively a horizontal groove 42,42 ' and vertical cylinder shape groove 43,43 ', the left and right sides is symmetrical, a horizontal spring 431 in the horizontal groove 42 of left, the spring 421 that the cylinder shape groove 43 built-in of left is upright is put a hat button 432 on the spring 421; Right-hand horizontal groove 42 ' and cylinder shape groove 43 ' interior also has identical structure to be equipped with left, two drawing pieces 44 are arranged above the lock body body 4,44 ', two drawing pieces 44,44 ' the shape size identical, and be symmetrical centre ornaments with central cylindrical hole 41, left side drawing piece 44 heads have a clipping block 441 to have to the right circular arc-like block breach 442, adjacent with above-mentioned hat button 432 outer rims, there is inwardly a drive block 443 in left side drawing piece 44 central authorities, between above-mentioned horizontal groove 42 and core rotor 411 and adjacent, left side drawing piece 44 afterbodys also have a clipping block 444, this clipping block 444 also have one with the circular arc cutaway 445 of circular arc cutaway 442 equidirectionals of the clipping block 441 of head, but this circular arc cutaway 445 is adjacent with the inner edge of right hat button 432.Right drawing piece 44 ' to be same as the frame mode setting of left drawing piece 44.Respectively be provided with about above the above-mentioned lock body shell 3 circular hole 31,31 ', and following central authorities are provided with a circular hole 32, so that these holes behind lock body shell 3 and lock body body 4 fits are corresponded respectively to above-mentioned cylinder shape groove 43,43 ' and core rotor 411.

See also shown in Figure 2ly, show the back state during turn-off of core rotor 411 that inserts lock body 2 when key.This moment core rotor 411 promote left and right sides drawing pieces 44,44 ', and the bar pin that makes U-shape lock bar 1 is by drawing piece 44,44 ' bite, this moment spring 431,431 ' be compressive state.

See also Fig. 3 and shown in Figure 4, when the bar pin of U-shape lock bar 1 inserts lock body 2 left and right sides cylinder shape grooves 43,43 ' interior, with hat button 432,432 ' following pushing away, this moment, spring 431,431 ' with drawing piece 44,44 ' promotion and made each pole pin (for example left bar pin) be blocked by 441,444 interlocks of two clipping blocks.

See also shown in Figure 5, when the utility model U type locomotive lock is implemented as commodity, in order to increase the anti-destructive power of knocking, therefore with suitable iron-clad and plastic wrapper package combination one-tenth shape as shown in the figure, the outward appearance of wherein locking body has become the pipe shape, and two pipe ends are dome shape.

See also shown in Figure 6ly, be a pole pin of U-shape lock bar of the present utility model side-looking and horizontal section schematic diagram after with clipping block 441, the 441 ' locking that combines of annular recess 11 places and lock body.By among the figure as can be known, a pole pin of the present utility model is blocked by two clipping block interlocks.Oblique line marked area wherein is the area at annular recess 11 and clipping block 441, the 441 ' place that coincides.

See also and Figure 7 shows that a kind of U type locomotive lock of commonly using, wherein every pole pin has a cambered surface groove 51, and the lock pearl of using for clip 52 locks.Oblique line marked area wherein is cambered surface groove 51 and locks the area that pearl 52 coincides and locates.

See also shown in Figure 8ly, be the U type locomotive lock that another kind is commonly used, wherein every pole pin has a breach 61, for drawing piece 62 lockings.Oblique line marked area wherein is the coincide area at place of breach 61 and drawing piece 62.

Comparison diagram 6, Fig. 7 and Fig. 8, coincidence area of the present utility model as can be known is obviously greater than the person of commonly using, the locking intensity of U type locomotive lock therefore of the present utility model is better than the person of commonly using, coincidence area according to Fig. 6, Fig. 7 and Fig. 8 judges that the locking intensity of U type locomotive lock of the present utility model as can be known is that the twice of known locomotive lock is above strong.

The above only is the utility model one preferred embodiment, the qualification that can not implement as the utility model, and all equivalent variations and modifications of being done according to the utility model technical spirit all must be included in the scope of technical solutions of the utility model.

Claims (2)

1, a kind of U type locomotive lock comprises by U-shape lock bar, lock body, drawing piece and forming, and it is characterized in that wherein:

One U-shape lock bar, its bar pin is provided with the annular recess coaxial with the axle center of bar pin;

One lock body, it is made of a lock body shell and a lock body body, lock body has a rectangle side plate as a long rectangle iron block, it combines with lock body shell and becomes lock body, lock body body central authorities are provided with a vertical cylindrical hole and go into the core rotor for bolt, this cylindrical hole is to each is provided with horizontal groove and vertical cylinder shape groove successively between the two ends of lock body body, each is symmetrical mutually in the position of two horizontal grooves and two cylinder shape grooves, a horizontal spring in the horizontal groove of a left side, the upright spring of left side cylinder shape groove built-in, head on a hat button on the spring, and also have identical structure to be equipped with in right horizontal groove and the right cylinder shape groove, lock body body face is provided with two clips, two clips are that symmetrical centre is provided with the central cylindrical hole, there is a circular arc cutaway on clamping block the right of left side clip head, and it is adjacent with above-mentioned hat button, there is inwardly a drive block in left side clip central authorities, between above-mentioned horizontal groove and core rotor and be adjacent, left side clip afterbody is established a clamping block and is positioned between right horizontal spring and right hat button, there is a circular arc cutaway on this clamping block the right, adjacent with right hat button, about the shape size of two clips identical, respectively be provided with a circular hole about above the above-mentioned lock body shell, and following centre is provided with a circular hole, when locking after one's death so that lock body shell is sleeved on, these three circular holes are corresponding with two the hat buttons and a core rotor of lock body respectively; When the bar pin of U-shape lock bar combines with lock body, two pole pin are blocked by four clipping block interlocks jointly and more strengthen fastness.

2, U type locomotive according to claim 1 lock, it is dome shape that the outer cover packaging that it is characterized in that wherein said lock body body becomes the two ends of a cylindrical shape and cylinder.

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