CN201400155Y - Steering wheel lock - Google Patents

Abstract

The utility model discloses a steering wheel lock consisting of a lock body, a set of lock and key, wherein the lock body comprises two four-claw pieces and a lock bar; each four-claw piece is provided with a pair of U-shaped claws, each pair of U-shaped claws are connected together with each other by a connecting part, and the distance between each pair of U-shaped claws is larger than the widthof a ray of a steering wheel, so that the two four-claw pieces are tightly griped on two ends of the ray of the steering wheel; one end of the lock bar is fixed on the connecting part of one four-clawpiece, the other end thereof stretches across the ray of the steering wheel and extends out of the steering wheel, and the middle section of the lock bar is provided with a lock slot; the lock body is further provided with a limit lever which is close to the ray of the steering wheel so as to limit the lock body to rotate on the steering wheel; and the lock is arranged on the connecting part of the other four-claw piece, the lower part of the lock is provided with a lock ring which is used for the penetration of the lock bar and aligned with the lock slot, the lock tongue of the lock extendsinto the lock ring and matches with the lock slot to realize locking, and the key is used for controlling unlocking. The structure ensures the limit of the steering wheel lock to the rotation of the steering wheel and protects the car from being stolen.

Description

A kind of handle lock

Technical field

The utility model relates to a kind of handle lock, special with can guarantee that the structure that locking bar is positioned at above the roker all the time is relevant.

Background technology

Existing a kind of handle lock, as shown in Figure 1, it comprises a pair of bluff piece 10, locking bar 20, a cover lockset 30.During use, locking bar 20 is fixed on the dish edge 40 by bluff piece 10 earlier, by lockset 30 locking bar 20 is locked on the bearing circle again; like this; locking bar 20 can not move on bearing circle, and locking bar 20 has limited the rotation of bearing circle outward again toward the extension 210 that bearing circle stretches out, and the car of protection love is by this avoided theft.

But, it is not difficult to find after careful observation, because bluff piece 10 only is that locking bar 20 is fixed on the dish edge of bearing circle, when the robber destroys the dish edge of bluff piece 10 both sides by the mode of cutting saw after, the robber just can rotate to bluff piece 10 the destruction place of dish edge, like a cork handle lock is taken off, thereby steal the love car.Therefore, the safety of this handle lock is not high, has improved necessity really.

The inventor develops a kind of handle lock at the problems referred to above, can guarantee the restriction that handle lock rotates bearing circle, even the dish edge is destroyed, still can protect the love car to avoid the sorrow of theft, and this case produces thus.

The utility model content

Main purpose of the present utility model is to provide a kind of handle lock, and with the restriction that guarantees that handle lock rotates bearing circle, protection love car is avoided the sorrow of theft.

Secondary objective of the present utility model is to provide a kind of handle lock, to improve the safety of lockset.

To achieve these goals, the technical solution of the utility model is as follows:

A kind of handle lock is made up of lock body, a cover lockset and key; Lock body comprises two four paws spares and a locking bar; Each four paws spare has a pair of U type pawl, and every pair of U type pawl is linked together by connecting portion, and the spacing between the every pair of U type pawl is greater than the roker width of bearing circle, makes two four paws spares keep a firm hand on roker two ends at bearing circle; One end of locking bar is fixed on the connecting portion of a four paws spare, and the other end of locking bar is across the roker of bearing circle and extend outside bearing circle, and the stage casing of locking bar has locked groove; Also have on the lock body near the roker of bearing circle and limit the position-limited lever that lock body rotates on bearing circle; Lockset is installed on the connecting portion of another four paws spare, and the below of lockset has the lock ring that interts and align with locked groove for locking bar, and the dead bolt of lockset stretches in the lock ring and cooperates realization to lock with locked groove, and is unblanked by key control; When dead bolt stretches in the locked groove locking locking bar, realize locking of handle lock, and withdraw from the release of realization handle lock when removing the locking bar locking in the locked groove when dead bolt.

Above-mentioned position-limited lever is an inverted L shape, be formed on the locking bar, the horizontal edge of L type be positioned at bearing circle roker above, the vertical edge of L type is positioned at the side of the roker of bearing circle, and the inverted L shape position-limited lever is colluded on the roker of bearing circle.

Above-mentioned position-limited lever is a montant, is integrally formed in the end of the U type pawl of four paws spare, colludes the side at the roker of bearing circle.

The downward-sloping direct formation position-limited lever in the end of the U type pawl of above-mentioned four paws spare colludes the side at the roker of bearing circle.

The connecting portion of above-mentioned each four paws spare is two parallel connecting rods of frame on the dish edge, and two pipe links are connected between every pair of U type pawl, and perhaps the connecting portion of each four paws spare is for being coated on the arc on the dish edge.

Above-mentioned locking bar is divided into across section and extension; End across section is fixed on the connecting portion of a four paws spare, and its other end is provided with locked groove; One end of extension is fixed on the connecting portion of another four paws spare, and its other end extends outside bearing circle.

Above-mentioned lockset comprises lock housing, lock core, lock pin and spring, form at least one screw type slot on the cylindrical lock core, form the through hole that runs through lock core on the cell wall of slot, and corresponding this through hole of lock housing forms coaxial aperture, holds one group of lock pin and spring in corresponding coaxial aperture and the through hole; Key has and cooresponding at least one the screw type inserting column of lock core screw type slot strip number, corresponding lock pin position and number form the face of praising of similar number on the inserting column, these are praised face and just the lock pin in cooresponding through hole and the coaxial aperture can be lifted, alignd with the interface of lock housing and lock core in the interface of lock pin in through hole and the coaxial aperture, key promptly realizes unblanking.

Above-mentioned lock core has a screw type slot, and key has a screw type inserting column, and the cross-sectional plane of this screw type inserting column is the C type, and this screw type inserting column is made by the cylinder that has a helix-type flute on the barrel.

Above-mentioned lock core has a screw type slot, key has a helix inserting column, and the cross-sectional plane of this screw type inserting column is the C type, and this screw type inserting column is made by the pole that has a helix-type flute, the degree of depth of this helix-type flute is more than or equal to the radius of pole, and the while is less than the diameter of pole.

Above-mentioned lock core has a screw type slot, key has a screw type inserting column, this screw type inserting column is formed by connecting through at least one point of connection by two flights, all point of connection are positioned at the same adjacent edge of two flights, the thickness of point of connection is less than or equal to the radius of key, the cross-sectional plane of this key at the point of connection place is the C type, and the cross-sectional plane at disconnected some place is bracket " () " type.

After adopting such scheme; in the handle lock of the present utility model; because the spacing between a pair of U type pawl of each four paws spare is greater than the roker width of bearing circle; make the U type pawl of two four paws spares can grab two ends at the bearing circle roker; and; position-limited lever on the lock body can limit lock body and move and break away from roker at bearing circle upper edge dish edge; so; after two four paws spares are by the lockset locking; can grab roker two ends tightly at bearing circle; four paws spare not only can allow locking bar locate on bearing circle; the dish edge that can also protect four paws spare to coat is avoided destroying; even the mode of robber by cutting saw destroyed the dish edge of four paws spare both sides; handle lock also can't rotate from the indentation, there of dish edge around bearing circle and take out, and is positioned at the top of roker all the time, and the part that locking bar extends outside bearing circle has limited the rotation of bearing circle; thereby the rotation of limiting wheel, order theft failure.

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

Description of drawings

Fig. 1 is the structural representation of existing handle lock;

Fig. 2 is the structural representation of the utility model embodiment one;

Fig. 3 is the running condition figure of the utility model embodiment one;

Fig. 4 is the structural representation of the utility model embodiment two;

Fig. 5 is the structural representation of lockset and matched key in the utility model;

Fig. 6 is the cross sectional drawing of key when being made by cylinder;

Fig. 7 is the cross sectional drawing of key when being made by pole;

Fig. 8 is key cross sectional drawing at the point of connection place when being made by flight;

Fig. 9 is key cross sectional drawing at disconnected some place when being made by flight.

Label declaration

Bluff piece 10 locking bars 20

Extension 210 locksets 30

Dish edge 40

Four paws spare 1 connecting portion 11

U type pawl 12

Locking bar 2 locked grooves 21

Across section 22 extensions 23

Lockset 3 lock rings 31

Lock housing 33

Lock core 34 slots 35

Through hole 36 coaxial apertures 37

Spring 38 lock pins 39

Key 4 inserting columns 41

Praise face 42 cylinders 43

Flight 44 point of connection 45

Helix-type flute 46

Bearing circle 5 dish edge 51

Roker 52

The specific embodiment

As shown in Figures 2 and 3, the utility model has disclosed a kind of handle lock, and it is made up of lock body, a cover lockset 3 and key 4, and lock body comprises two four paws spares 1 and a locking bar 2.

Each four paws spare 1 has a pair of U type pawl 12, and this is linked together by connecting portion 11 to U type pawl 12.Connecting portion 11 is frame two parallel connecting rods on dish edge 51 among this embodiment, utilizes 51, two pipe links of tool scissors saw disc edge to be connected between every pair of U type pawl 12 in order to prevent the burglar.Certainly, connecting portion 11 also can be other form, is illustrated in figure 4 as the arc that can be coated on the dish edge 51, uses and strengthens the coating area of four paws spare 1 to the dish edge 51 between two U type pawl 12, prevents robber's destruction dish edge 51 better.Spacing between the every pair of U type pawl 12 makes two four paws spares 1 after 3 lockings of aftermentioned lockset greater than roker 52 width of bearing circle 5, can grab the two ends at bearing circle 5 rokers 52 tightly.

One end of locking bar 2 is fixed on the connecting portion 11 of a four paws spare 1, and the other end of locking bar 2 extends across the roker 52 of bearing circle 5 and outside bearing circle 5, and the stage casing of locking bar 2 has locked groove 21.Wherein, locking bar 2 can be the one design-calculated as shown in Figure 4, also can shown in Fig. 2,3, take split-type design, conveniently to use and to deposit, specific design is: locking bar 2 is divided into across section 22 and extension 23, is fixed on the connecting portion 11 of a four paws spare 1 across an end of section 22, its other end is provided with locked groove 21, one end of extension 23 is fixed on the connecting portion 11 of another four paws spare 1, and its other end extends outside bearing circle 5.Locked groove 21 also can be a row who selects use for the different automobile types bearing circle; locked grooves 21 different on dead bolt by slide control lockset 3 and the locking bar 2 cooperate; to adapt to the bearing circle 5 of different sizes; handle lock firmly is positioned on the bearing circle 5; the rotation of restriction bearing circle 5, protection love car is avoided robbing.

Also have on the lock body near the roker 52 of bearing circle 5 and the position-limited lever 6 that the restriction lock body rotates on bearing circle 5.Position-limited lever 6 can be an inverted L shape as shown in Figures 2 and 3, is formed on the locking bar 2, and the horizontal edge 61 of L type is positioned at above the roker 52 of bearing circle 5, and the vertical edge 62 of L type is positioned at roker 52 sides of bearing circle 5, and inverted L shape position-limited lever 6 is colluded on the roker 52 of bearing circle 5; Position-limited lever 6 also can be illustrated in figure 4 as a montant, is integrally formed in the end of the U type pawl 12 of four paws spare 1, colludes roker 52 sides at bearing circle 5; Also can at the downward-sloping direct formation position-limited lever 6 in the end of the U of four paws spare 1 type pawl 12, collude roker 52 sides as shown in Figures 2 and 3 at bearing circle 5; The position-limited lever 6 of aforementioned three kinds of forms also can the independent assortment moulding on lock body, such as reach the effect that the restriction lock body rotates jointly on bearing circle 5 at the position-limited lever 6 that two kinds of forms are just arranged on the lock body shown in Figure 2, array configuration is according to the design needs and decide.Certainly, position-limited lever 6 can also be other form, and this paper will not enumerate.By the effect of position-limited lever 6, even the mode of robber by cutting saw destroyed the dish edge 51 of four paws spare 1 both sides, handle lock also can't take out from the indentation, there of dish edge 51 around bearing circle 5 rotations, order theft failure.

Lockset 3 is installed on the connecting portion 11 of another four paws spare 1, the below of lockset 3 has the lock ring 31 that interts and align with locked groove 21 for locking bar 2, dead bolt (common structure when lockset 3, not shown) stretch in the lock ring 31 and to realize locking of handle lock when cooperating locking locking bar 2 with locked groove 21, and by 4 controls of aftermentioned key, when dead bolt withdraws from the release that realizes handle lock when releasing is to locking bar 2 lockings in the locked groove 21.The transversal surface of locked groove 21 can be designed as serration, like this, can be after locking bar 2 inserts lock rings 31, the dead bolt of lockset 3 can stretch in the locked groove 21 locking locking bar 2 automatically by the zigzag structure guiding and realize locking.Lockset 3 can be the lock of arbitrary structure on the market, but is optimum structure with following lockset.Cooperate shown in Figure 5ly, best lockset 3 comprises lock housing 33, lock core 34, lock pin 39 and spring 38.Lock housing 33 can adopt high duty alloy to make, and is heat-treated to hardness HRC 50, and hardness is more than 20 times of round steel, can prevent that saw and hydraulic pressure cuts.Lock core 34 is made by brass, and when boring lock with electric drill, because corrosion-resistant steel is different with brass hardness, drill bit can train off immediately, can't creep into again.Strong twistlock core 34, the corrosion-resistant steel fuse can spin earlier, can't rotational lock core 34, make the robber have no way of doing it, prevent that the robber from stealing the love car by destroying lockset.And cooperate following screw type slot 35 structures, make this lockset 3 have very high safety.Form at least one screw type slot 35 (shown in Figure 5 have two screw type slots 35) on the cylindrical lock core 34.Form the through hole 36 that extends and run through lock core 34 in a certain direction on the cell wall of slot 35, and lock housing 33 corresponding these through holes 36 form coaxial aperture 37, hold one group of lock pin 39 and spring 38 in corresponding coaxial aperture 37 and the through hole 36.

Key 4 is and above-mentioned lockset 3 supporting uses, has and cooresponding at least one the screw type inserting column 41 of 35 numbers of lock core 3 screw type slots, and as shown in Figure 5, lock core 3 has a screw type slot 35, and supporting with it key 4 also has a screw type inserting column.Corresponding lock pin 39 positions and number form the face of praising 42 of similar number on the inserting column 41, these are praised face 42 and just the lock pin 39 in cooresponding through hole 36 and the coaxial aperture 37 can be lifted, alignd with the interface of lock housing 33 and lock core 34 in the interface of lock pin 39 in through hole 36 and the coaxial aperture 37, key 4 promptly realizes unblanking.A screw type inserting column 41 of this key 4 can be made by the cylinder 43 that has a helix-type flute 46 on the barrel, makes its cross-sectional plane be the C type as shown in Figure 6; This screw type inserting column 41 also can be made by the solid pole that has a helix-type flute 46, makes its cross-sectional plane also roughly be the C type as shown in Figure 7, and the depth H of this helix-type flute 46 is more than or equal to the radius r of pole, simultaneously less than the diameter D of pole; This screw type inserting column 41 can also be formed by connecting through at least one point of connection 45 by two flights 44, all point of connection 45 are positioned at the same adjacent edge of two flights 44, the thickness d of point of connection 45 be less than or equal to the radius r of key ', this key 4 is the C type as shown in Figure 8 at the cross-sectional plane at point of connection 45 places, and the cross-sectional plane at disconnected some place roughly is bracket " () " type as shown in Figure 9.The key 4 that adopts aforesaid way to make both can guarantee the rigidity of key 4, can make the processing of key 4 more convenient again.

When using embodiment of the present utility model; as shown in Figure 3; cooperate by two four paws spares 1, position-limited lever 6 and lockset 3; not only can allow locking bar 2 locate on bearing circle 5, the dish edge 51 that can also protect four paws spare 1 to coat is avoided destroying, even the robber cuts off the dish edge 51 of four paws spare 1 both sides or be sawed-off; effect by position-limited lever 6; handle lock also can't take out from the indentation, there of dish edge 51 around bearing circle 5 rotations, and is positioned at the top of roker 52 all the time, order theft failure.The lock ring 31 of lockset 3 belows can be on locking bar 2 free adjustment, the dead bolt (see figure 5) of lockset 3 and different locked grooves 21 are cooperated, to adapt to the bearing circle 5 of different sizes, handle lock firmly is positioned on the bearing circle 5, protection likes that car avoids robbing.And the slot 35 of lockset 3 screw types, when making the robber by instrument picking locks such as probes, at all can't be in screw type slot 35 application of force, cause lock pin 39 to be lifted and unblank.

The above only is several preferred embodiment of the present utility model, is not the restriction to this case, if any the equivalent arrangements that the key of foundation this case is done, all falls into the protection domain of this case.

Claims (10)

1, a kind of handle lock is characterized in that: be made up of lock body, a cover lockset and key; Lock body comprises two four paws spares and a locking bar; Each four paws spare has a pair of U type pawl, and every pair of U type pawl is linked together by connecting portion, and the spacing between the every pair of U type pawl is greater than the roker width of bearing circle, makes two four paws spares keep a firm hand on roker two ends at bearing circle; One end of locking bar is fixed on the connecting portion of a four paws spare, and the other end of locking bar is across the roker of bearing circle and extend outside bearing circle, and the stage casing of locking bar has locked groove; Also have on the lock body near the roker of bearing circle and limit the position-limited lever that lock body rotates on bearing circle; Lockset is installed on the connecting portion of another four paws spare, and the below of lockset has the lock ring that interts and align with locked groove for locking bar, and the dead bolt of lockset stretches in the lock ring and cooperates realization to lock with locked groove, and is unblanked by key control; When dead bolt stretches in the locked groove locking locking bar, realize locking of handle lock, and withdraw from the release of realization handle lock when removing the locking bar locking in the locked groove when dead bolt.

2, a kind of handle lock as claimed in claim 1, it is characterized in that: above-mentioned position-limited lever is an inverted L shape, be formed on the locking bar, the horizontal edge of L type be positioned at bearing circle roker above, the vertical edge of L type is positioned at the side of the roker of bearing circle, and the inverted L shape position-limited lever is colluded on the roker of bearing circle.

3, a kind of handle lock as claimed in claim 1, it is characterized in that: above-mentioned position-limited lever is a montant, is integrally formed in the end of the U type pawl of four paws spare, colludes the side at the roker of bearing circle.

4, a kind of handle lock as claimed in claim 1 is characterized in that: the downward-sloping direct formation position-limited lever in the end of the U type pawl of above-mentioned four paws spare, collude the side at the roker of bearing circle.

5, a kind of handle lock as claimed in claim 1, it is characterized in that: the connecting portion of above-mentioned each four paws spare is two parallel connecting rods of frame on the dish edge, two pipe links are connected between every pair of U type pawl, and perhaps the connecting portion of each four paws spare is for being coated on the arc on the dish edge.

6, a kind of handle lock as claimed in claim 1 is characterized in that: above-mentioned locking bar is divided into across section and extension; End across section is fixed on the connecting portion of a four paws spare, and its other end is provided with locked groove; One end of extension is fixed on the connecting portion of another four paws spare, and its other end extends outside bearing circle.

7, a kind of handle lock as claimed in claim 1, it is characterized in that: above-mentioned lockset comprises lock housing, lock core, lock pin and spring, form at least one screw type slot on the cylindrical lock core, form the through hole that runs through lock core on the cell wall of slot, and corresponding this through hole of lock housing forms coaxial aperture, holds one group of lock pin and spring in corresponding coaxial aperture and the through hole; Key has and cooresponding at least one the screw type inserting column of lock core screw type slot strip number, corresponding lock pin position and number form the face of praising of similar number on the inserting column, these are praised face and just the lock pin in cooresponding through hole and the coaxial aperture can be lifted, alignd with the interface of lock housing and lock core in the interface of lock pin in through hole and the coaxial aperture, key promptly realizes unblanking.

8, a kind of handle lock as claimed in claim 7, it is characterized in that: above-mentioned lock core has a screw type slot, key has a screw type inserting column, and the cross-sectional plane of this screw type inserting column is the C type, and this screw type inserting column is made by the cylinder that has a helix-type flute on the barrel.

9, a kind of handle lock as claimed in claim 7, it is characterized in that: above-mentioned lock core has a screw type slot, key has a helix inserting column, the cross-sectional plane of this screw type inserting column is the C type, this screw type inserting column is made by the pole that has a helix-type flute, the degree of depth of this helix-type flute is more than or equal to the radius of pole, and the while is less than the diameter of pole.

10, a kind of handle lock as claimed in claim 7, it is characterized in that: above-mentioned lock core has a screw type slot, key has a screw type inserting column, this screw type inserting column is formed by connecting through at least one point of connection by two flights, all point of connection are positioned at the same adjacent edge of two flights, the thickness of point of connection is less than or equal to the radius of key, and the cross-sectional plane of this key at the point of connection place is the C type, and the cross-sectional plane at disconnected some place is bracket " () " type.

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