CN2630086Y - Portable cycle with antitheft handle-bar - Google Patents

Abstract

The utility model relates to a portable vehicle with theftproof handle and belongs to a handle bar deflected power-driven and non-power-driven vehicle manufacturing technical field, and in particular to the manufacturing of a bicycle, a motor-assisted bicycle and a motorcycle and is comprised of a bogie handle, a frame, a wheel and a drive mechanism; wherein, the theftproof handle is fixed on the bogie handle, and comprises a handle head, a connecting piece and a fixed lock, and is fixed on an end of a handle cross pipe of the bogie handle through the connecting bar; the handle head is key connection with the connecting bar, each of which is provided with a fixed locking for locking the two elements; the keyway of a shaft with keyway is relative to the keyway of a shaft bossing, at least a couple; a connecting key is fixed in the keyway of the shaft with keyway or the keyway of the shaft bossing; the connecting piece is in fixed connection with the handle cross pipe. The utility model has the advantages of excellent theftproof performance.

Description

Roadster with antitheft handgrip

Technical field:

The utility model relates to the roadster with antitheft handgrip, belongs to motor-driven and non-power-driven vehicle manufacturing technology field, the particularly manufacturing of bicycle, Electrical Bicycle, motor bike that rely on handlebar to turn to.

Background technology:

At present, the roadster that relies on handlebar to turn to, for example bicycle, Electrical Bicycle and motor bike etc., its burglary-resisting installation is that market can be bought, be equipped with the anti-theft vehicle lock of installing voluntarily as the car owner after purchasing car, also is called Self-prepared car lock.Because Self-prepared car lock exists certain interchangeability and structure not solid, the stolen case of annual vehicle is a lot of.Because the intrinsic shortcoming of Self-prepared car lock, after in a single day Self-prepared car lock is unlocked or destroys, be difficult to debate that to know certain car be stolen vehicle.Reach media report according to investigations, at the shortcoming of Self-prepared car lock, the burglar steals car and mainly contains following several form: 1, draw the lock of driving with instruments such as master keys; 2, picking lock promptly utilizes all-purpose tool or homemade special tool to pry open lock; 3, again lock is drawn out or pried open after utilizing other vehicles (as automobile, three-wheel vehicle etc.) that bicycle is transported.The roadster that the burglar steals, a part are that robber oneself uses, and a part of robber is with extremely low price profiteering.Because the stolen very easy profiteering of selling of vehicle, and the vehicle of scalping is also extremely difficult when riding is outside found that by the people therefore, some robber makes a living to steal roadster.Stolen in order to prevent roadster, lock factory has made various " anti-theft column lock ", but because the method for robber's theft is updated, steals the means more and more brilliant (as methods such as employing electric drill boring picking locks) of car, thereby can not reduce the stolen phenomenon of roadster.Cycle manufacturer is had to reduce production costs as far as possible, and distributor forces down price as far as possible, so that make roadster, particularly bicycle can be in the price that a client is easier to accept, the client who has simply buys used car.Caused the vicious circle of stealing the roadster phenomenon thus.Because the profit of roadster originating firm and distributor is all very low, many people lose the buying car again of being unwilling behind the car.These have all directly influenced the sale of roadster and the normal development of manufacturing.

Summary of the invention:

The purpose of this utility model is, overcome the shortcoming of existing roadster, a kind of roadster with antitheft handgrip is provided, its antitheft handgrip is a purpose made, be fastened on the transverse tube, after opening pin, the lever head of antitheft handgrip can unload from the contiguous block with the bogie car handle is captiveed joint the transverse tube end of antitheft handgrip, at this moment, lack the vehicle that has lever head and belong to the mal vehicle naturally, not only can not normally use, and whether the vehicle that is easy to discern no lever head belongs to stolen vehicle.

The technical solution of the utility model is: described roadster with antitheft handgrip, and it includes bogie car handle, vehicle frame, wheel and transmission device; Described bogie car on be fixed with antitheft handgrip, this antitheft handgrip mainly is made up of lever head, contiguous block and pin, by contiguous block be fixed on the bogie car handle on the pipe end of transverse tube; Lever head is connected with the key that is connected between the contiguous block, and both one of them are provided with both pin of locking; The keyway of shaft with key way is corresponding with the keyway of propeller boss, is at least a pair ofly, and connecting key is fixed in the keyway of shaft with key way or is fixed in the keyway of propeller boss; Contiguous block with being connected to of transverse tube captiveed joint.

Technique effect of the present utility model: with the bicycle is example, because bogie car is transverse tube one end is fixed with antitheft handgrip, and can dismantle lever head, the other end still is integral cast handle (but also both sides are the antitheft handgrip of detouchable), stop and lever head can be unloaded after the back cyclist opens pin, when needing by bike, again this lever head is loaded onto.For easy to use,, can not unload lever head if the cyclist is parked in safe place with car.Unloading the bicycle of lever head can not normally ride, even bicycle is stolen, as long as originating firm does not provide antitheft handgrip and parts thereof to distributor, the burglar just need look for special enginerring works to prepare again, because the required Fabricating machinery and the expense of dedicated tool during the antitheft handgrip of preparation, it is also high that the cost during this antitheft handgrip accessory of the production of single-piece or small lot may be sold the price of this bicycle than the burglar.Cost per unit during this antitheft handgrip of cycle manufacturer stock production is not high, and is suitable with the price of the higher bicycle lock of quality on the market.After bicycle had adopted the antitheft handgrip of this removable jew, very low to the requirement of a lock of other configuration, promptly in fact the increase of bicycle cost had been equivalent to buy a bicycle lock that price is higher.And bicycle adopted this structure after its safety can improve greatly.

Description of drawings:

Fig. 1 is for being the roadster integral structure scheme drawing of example with the bicycle;

Fig. 2 be shaft with key way at the first end of handgrip, propeller boss is at contiguous block one end, in the lockhole of pin on the contiguous block periphery, the dead bolt hold down groove is at the example structure scheme drawing of shaft with key way one end;

Fig. 3 has the lever head scheme drawing of shaft with key way for an end among Fig. 2;

Fig. 4 has the contiguous block scheme drawing of propeller boss for an end among Fig. 2;

Fig. 5 is the A-A cross sectional drawing of shaft with key way among Fig. 3;

Fig. 6 is that the M of propeller boss among Fig. 4 is to view;

Fig. 7 be propeller boss at the first end of handgrip, shaft with key way is at contiguous block one end, pin is in the lockhole of lever head end face, the dead bolt hold down groove is at the example structure scheme drawing of shaft with key way one end;

Fig. 8 has the contiguous block scheme drawing of shaft with key way for an end among Fig. 7;

Fig. 9 has the lever head scheme drawing of propeller boss for an end among Fig. 7;

Figure 10 is the B-B cross sectional drawing of shaft with key way among Fig. 8;

Figure 11 is that the N of propeller boss among Fig. 9 is to view;

Figure 12 is that the pin P of lever head among Fig. 7 is to view;

Figure 13 be propeller boss at the first end of handgrip, shaft with key way is at contiguous block one end, pin on the shaft with key way end face, the example structure scheme drawing of dead bolt hold down groove in the endoporus of lever head;

The contiguous block scheme drawing that Figure 14 has shaft with key way and pin for an end among Figure 13;

Figure 15 has the propeller boss and the fixing lever head scheme drawing of dead bolt hold down groove for an end among Figure 13;

Figure 16 is the C-C cross sectional drawing of shaft with key way among Figure 14;

Figure 17 is that the Q of pin among Figure 14 is to view;

Figure 18 is that the R of propeller boss among Figure 15 is to view;

The specific embodiment:

It is as follows that the utility model is described in further detail in conjunction with the accompanying drawings and embodiments:

The cooresponding member name of each label is called among Fig. 1-18: the antitheft handgrip of 1-, 1.1-lever head, 1.2-contiguous block, 1.3-shaft with key way, the keyway of 1.3 '-shaft with key way, 1.4-propeller boss, 1.4 the keyway of '-propeller boss, 1.5-pin, 1.6-lockhole, 1.7-handlebar grips cover, 1.8-dead bolt hold down groove, 1.9-dead bolt, 1.10-adapter sleeve, 1.11-connecting key (among Fig. 7); 1 '-integral cast handle (among Fig. 1); 2-bogie car handle, 2.1-be transverse tube, the 2.2-handle riser; The 3-vehicle frame; The 4-wheel; The 5-transmission device.

Fig. 1 is for being the roadster integral structure scheme drawing of embodiment with the bicycle;

Fig. 2-Fig. 6 be shaft with key way at the first end of handgrip, propeller boss is at contiguous block one end, in the lockhole of pin on the contiguous block periphery, the dead bolt hold down groove is at the embodiment of shaft with key way one end.The technical scheme of this embodiment is: described roadster with antitheft handgrip, it by bogie car 2, vehicle frame 3, wheel 4 and transmission device 5 form, also have brake equipment in the transmission device, its handling device can be fixed on and turn on the handgrip 2, and this bogie car can also have bicycle bell to 2; Described bogie car 2 fixing an antitheft handgrip 1 on transverse tube 2.1 1 ends, the other end is an integral cast handle 1 ', also can be antitheft handgrip to transverse tube 2.1 two ends; This antitheft handgrip 1 is made up of lever head 1.1, contiguous block 1.2 and pin 1.5, by contiguous block 1.2 and adapter sleeve 1.10 be fixed on bogie car 2 on the pipe end of transverse tube 2.1; The keyway 1.4 ' of the propeller boss in the keyway 1.3 ' of the shaft with key way of lever head 1.1 and the contiguous block 1.2 is corresponding, can be for a pair of, this example is preferred three couples corresponding (shown in Fig. 5,6,10,11,16,18), lever head 1.1 is flat key with contiguous block 1.2 with the connecting key in the corresponding keyway 1.11, constituting flat key connects, also can be feather key, promptly constitute feather key and connect; The present embodiment keyway has three pairs, wherein has the angle β of the angle α of a pair of adjacent two keyways and other keyways unequal; When the angle α of adjacent two keyways equates with the angle β of other keyways, then be additional embodiments; Connecting key 1.11 is fixed in the keyway 1.3 ' of shaft with key way, also can be fixed in the keyway 1.4 ' of drawing a bow to the full; Preferred version should have handlebar grips cover 1.7 on the lever head 1.1; Lever head 1.1 and contiguous block 1.2 both one of them are provided with the pin 1.5 of locking lever head and contiguous block; The shaft with key way 1.3 of present embodiment is at lever head 1.1 1 ends, and propeller boss 1.4 is at contiguous block 1.2 1 ends, and in the lockhole 1.6 of pin 1.5 on contiguous block 1.2 peripheries, dead bolt hold down groove 1.8 is at shaft with key way 1.3 1 ends; Contiguous block 1.2 with being connected to of transverse tube 2.1 captiveed joint, described captive joint is that non-removable close fit connects, and can also be welding or is threaded.

Fig. 7-12 be propeller boss at the first end of handgrip, shaft with key way is at contiguous block one end, pin is in the lockhole of lever head end face, the dead bolt hold down groove is at the embodiment of shaft with key way one end.The embodiment difference of this embodiment and above-mentioned Fig. 2-Fig. 6 is: an end of lever head 1.1 is a propeller boss 1.4, and the lockhole 1.6 that installs and fixes lock 1.5 is arranged on the end face of the other end; Preferred scheme should be with handlebar grips cover 1.7 on the periphery of lever head 1.1, also can not have handlebar grips cover, and lever head and handlebar grips cover are integrated; One end of contiguous block 1.2 is a shaft with key way 1.3, and the other end has and the connecting bore that transverse tube 2.1 is captiveed joint.

Roadster described in the utility model, key connection in its additional technical characterictic has variety, thereby realizes being difficult for the characteristics that tooling cost is saved in imitation again, and the keyway 1.3 ' of described shaft with key way is corresponding with the keyway of propeller boss 1.4 ', be 1 pair, be preferably 3 pairs.

As Fig. 2-roadster shown in Figure 12, have other additional technical feature: the axle head cylindrical of shaft with key way 1.3 is provided with dead bolt dead bolt hold down groove 1.8, and dead bolt is on pin 1.5.

Figure 13-Figure 18 is the embodiment that the utlity model has another supplementary features: wherein, propeller boss 1.4 is at an end of lever head 1.1, shaft with key way 1.3 is at an end of contiguous block 1.2, and pin 1.5 is fixed on shaft with key way 1.3 end faces, and dead bolt hold down groove 1.8 is in the endoporus of lever head 1.1.Compare the embodiment of Fig. 2-Figure 12, its advantage is the weight that can alleviate lever head 1.1, and because the key difference of each car pin 1.5, needing key between the handgrip of similar car is mutual could exchange.

The technical solution of the utility model is done to be described as follows more progressively:

1, the pin that is adopted should have non-from bumping functional characteristic, promptly have only the dead bolt indentation after, lever head just can be plugged, when dead bolt stretched out, lever head can not be plugged, in order to avoid the antitheft handgrip of the vehicle of same model is promptly interchangeable under the situation that does not need key.

2, key bonded assembly advantage is: when adopting two keys or triple bond connection mode, can may with what significantly reduce that antitheft lever head exchanges by the angle α, the β that change in process of production between adjacent keyway, make the burglar be difficult to vehicle is stolen, and it is single piece production that the burglar prepares handgrip, anti-make high, thereby improved safety.Being also advantageous in that of key connecting, accuracy of manufacture height, the key of flat key that can be by selecting different in width or feather key, varying number, different external diameters, different key length and select for use method such as non-standard flat key can reduce interchangeability.

3, determining of related parameter arranged

The diameter d of shaft with key way can be determined the transverse tube cross-sectional plane according to the bogie car handle to the moment of inertia of its neutral axis, and obtains the bogie car handle earlier the moment of inertia I of transverse tube cross-sectional plane to its neutral axis _Z1, the cross-sectional plane of selected shaft with key way or propeller boss is to the moment of inertia I of its neutral axis _Z2Should be not less than I _Z1

The usable length l of flat key can try to achieve the torque peak that can bear transverse tube according to bogie car, promptly by the bogie car handle the Torsion Section coefficient W of transverse tube _tWith shearing stress allowable [τ], according to formula $\frac{T_{\max }}{W_t}\≤\left[\mathrm{\τ}\right],$ Can try to achieve bogie car the torque peak T that can bear transverse tube _Max, then according to the diameter d of shaft with key way, and the pressure allowable [p] of part material, by formula $\frac{2T\×{10}^3}{\mathrm{\ψkld}}\≤\left[p\right]$ Can obtain the usable length of connecting key.[in the formula, the contact height of k---key and wheel hub keyway, k ≈ 0.4h, the height of h---key, φ---distribution of load nonuniformity coefficient, z---connecting key (flat key or feather key) number].

Claims (10)

1, a kind of roadster with antitheft handgrip, it includes bogie car (2), vehicle frame (3), wheel (4) and transmission device (5); It is characterized in that, described bogie car is being fixed with antitheft handgrip (1) on (2), this antitheft handgrip (1) mainly is made up of lever head (1.1), contiguous block (1.2) and pin (1.5), by contiguous block (1.2) be fixed on bogie car (2) on the pipe end of transverse tube (2.1); Lever head (1.1) is connected with the key that is connected between the contiguous block (1.2), and both one of them are provided with both pin (1.5) of locking; The keyway (1.3 ') of shaft with key way is corresponding with the keyway (1.4 ') of propeller boss, is at least a pair ofly, and connecting key (1.11) is fixed in the keyway (1.3 ') of shaft with key way or is fixed in the keyway (1.4 ') of propeller boss; Contiguous block (1.2) with being connected to of transverse tube (2.1) captiveed joint.

2, roadster according to claim 1 is characterized in that, lever head (1.1) is connected with key between the contiguous block (1.2) and is selected from flat key and connects and be connected with feather key; The keyway (1.3 ') of shaft with key way and the keyway (1.4 ') of propeller boss be no less than two pairs corresponding, wherein have at least the angle β of the angle α of a pair of adjacent two keyways and other keyways unequal.

3, roadster according to claim 1 is characterized in that, lever head (1.1) is connected with key between the contiguous block (1.2) and is selected from flat key and connects and be connected with feather key; The keyway (1.3 ') of shaft with key way and the keyway (1.4 ') of propeller boss be no less than two pairs corresponding, the angle α of adjacent two keyways all equates with the angle β of other keyways.

4, roadster according to claim 1 is characterized in that, an end of lever head (1.1) is shaft with key way (1.3); One end of contiguous block (1.2) is propeller boss (1.4), and the other end has and the connecting bore that transverse tube (2.1) is captiveed joint, and the lockhole (1.6) that installs and fixes lock (1.5) is arranged on its periphery.

5, roadster according to claim 1 is characterized in that, an end of lever head (1.1) is propeller boss (1.4), and the lockhole (1.6) that installs and fixes lock (1.5) is arranged on the end face of the other end; One end of contiguous block (1.2) is shaft with key way (1.3), and the other end has and the connecting bore that transverse tube (2.1) is captiveed joint.

6, roadster according to claim 1 is characterized in that, bogie car (2) being fixed with 1 antitheft handgrip (1) on transverse tube (2.1) one ends, the other end has a fixedly handlebar (1 ').

7, roadster according to claim 1 is characterized in that, bogie car (2) being fixed with 1 antitheft handgrip (1) respectively on transverse tube (2.1) two ends.

8, roadster according to claim 1 is characterized in that, the axle head cylindrical of shaft with key way (1.3) is provided with dead bolt dead bolt hold down groove (1.8), and dead bolt is on pin (1.5).

9, roadster according to claim 1, it is characterized in that, have the end of the propeller boss (1.4) of keyway (1.4 ') at lever head (1.1), shaft with key way (1.3) is at an end of contiguous block (1.2), pin (1.5) is fixed on shaft with key way (1.3) end face, and dead bolt hold down groove (1.8) is in the endoporus of lever head (1.1).

10, roadster according to claim 1 is characterized in that, described contiguous block (1.2) with the captive joint of transverse tube (2.1) is selected from non-removable close fit is connected, welds or be threaded.

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