Frame of motorcycle
The utility model relates to a kind of frame of motorcycle, particularly relates to a kind of frame of motorcycle with one-body molded body frame.
The body frame structure for automotive of existing motor bike as shown in Figure 8, by a steel pipe 1 and all kinds of sheet metal 2,3 mutual weld togethers; Perhaps shown in Fig. 9,10, be responsible for 11 and each similar round iron pipe 12, square iron pipe 13 weld togethers by one, and form the main setting vehicle frame of motor bike.
With reference to figure 9,10, in body frame structure for automotive, be provided with wanigan part 14, this wanigan 14 is arranged at Fuel Tank 15 back, and is promptly corresponding below wanigan 14 and motor bike afterbody and the motorcycle cushion, dwindles because be restricted so make the size in wanigan 14 spaces.
On the other hand, above-mentioned each body frame structure for automotive in conjunction with all kinds of steel pipes, all kinds of rectangular steel tube or a considerable amount of steel plate, thereby becomes complicated to body frame structure for automotive; Again, the too many safety that reduces vehicle frame easily of soldering opening when the motor bike load-carrying, the phenomenon of runout occurs easily; In the process of using over a long time, or when taking place than big bang suddenly, each soldering opening is easy to be damaged, and can threaten to the rider, causes dangerous.
Again, above-mentioned body frame structure for automotive is applicable to that motor bike itself has certain appearance and modeling, and it is,, absolutely not if therefore want to change the movement of the moulding of vehicle frame own by the change of each plastic cement part for being assembled in the basic design of all kinds of plastic cement parts on the motor bike; If want to change, then must rearrange each section steel pipe, rectangular steel tube and each sheet metal on the frame of motorcycle, this method is inconvenient really.
On present motor bike manufacture, in the time that the moulding of motor bike need be changed in response to demand, also can have a strong impact on the stability of above-mentioned body frame structure for automotive.
The purpose of this utility model is to provide a kind of frame of motorcycle, and it has integrated body frame, and can one big wanigan be set at central frame beam, to address the above problem.
The purpose of this utility model is to realize like this, a kind of frame of motorcycle promptly is provided, have one group of steering hardware steel pipe, an engine, a wanigan, a Fuel Tank and a cushion, wherein, this frame of motorcycle comprises: a body frame, be formed with one first section, one second section, one the 3rd section and one the 4th section in regular turn, wherein this end of first section is connected with this group steering hardware steel pipe; One suspention Engine frame is arranged at second section in order to suspend this engine in midair; One first supporting seat is arranged at this second section and extend, to support this wanigan on the direction opposite with this suspention Engine frame; One second supporting seat is arranged at the 3rd section in order to support this wanigan; And one the 3rd supporting seat, be arranged at the 4th section, and support this cushion with this second supporting seat, wherein this Fuel Tank is between this second supporting seat and the 3rd supporting seat.
In the utility model, motor bike also comprises Shock absorber again, and second supporting seat comprises: in order to support first steel plate of wanigan; In order to support second steel plate of cushion; And be arranged at screw between first steel plate and second steel plate, in order to the assembling Shock absorber.
In the utility model, second section parallel with the 4th section again, and frame of motorcycle also comprises the stiffening plate that is welded between group steering hardware steel pipe and first section.
The utility model also provides a kind of frame of motorcycle, have one group of steering hardware steel pipe, an engine, a wanigan, a Fuel Tank and a cushion, wherein, this frame of motorcycle comprises: a body frame, be formed with one first section, one second section, one the 3rd section, one the 4th section and one the 5th section in regular turn, wherein this end of first section is connected with this group steering hardware steel pipe; One suspention Engine frame is arranged at second section in order to suspend this engine in midair; One first supporting seat is arranged at this second section and extend, to support this wanigan on the direction opposite with this suspention Engine frame; One second supporting seat is arranged at the 4th section in order to support this wanigan; And one the 3rd supporting seat, be arranged at the 5th section, and support this cushion with this second supporting seat, wherein this Fuel Tank is between this second supporting seat and the 3rd supporting seat.
Advantage of the present utility model is, its body frame that is formed in one can be under situation simple in structure, keep high durability degree, and design of motorcycle is changed easily, and do not influence its keystone configuration, this body frame structure for automotive is simple, and the various plastic parts of being convenient to be provided with thereon change flexibly.
Below in conjunction with accompanying drawing, describe embodiment of the present utility model in detail, wherein:
Fig. 1 is the front elevation of first embodiment of the utility model frame of motorcycle;
Fig. 2 is the planar view of first embodiment of the utility model frame of motorcycle;
Fig. 3 is the lateral plan of first embodiment of the utility model frame of motorcycle, and it shows the part of suspention Engine frame;
Fig. 4 is the body frame front elevation of first embodiment of the utility model frame of motorcycle;
Fig. 5 is the body frame front elevation of first embodiment of the utility model frame of motorcycle, and it is provided with a wanigan;
Fig. 6 is the body frame front elevation of second embodiment of the utility model frame of motorcycle;
Fig. 7 is the next front elevation in conjunction with whole motor bike of second embodiment that uses the utility model frame of motorcycle;
Fig. 8 is the scheme drawing of existing motorcycle frame structure;
Fig. 9 is the scheme drawing of another existing motorcycle frame structure;
Figure 10 is the scheme drawing of another existing motorcycle frame structure.
Fig. 1 is the front elevation that shows first embodiment of frame of motorcycle of the present utility model, and the frame of motorcycle 20 of present embodiment comprises a body frame 21, a suspention Engine frame 23, one first supporting seat 24, one second supporting seat 25 and one the 3rd supporting seat 26.
With reference to figure 1, Fig. 4, body frame 21 is to bend to the round steel pipe of " V " font and four bend angles (R1, R2, R3, R4) and form five sections with one, be first section 211, second sections 212, the 3rd sections 213, the 4th sections 214 and the 5th sections 215 in regular turn, wherein second section 212 is parallel with the 5th section 215 haply; The length of body frame 21 and diameter can be adjusted in response to the variation of motor bike vehicle.
As shown in Figure 1, behind the steering angle of setting motor bike, the group steering hardware steel pipe 46 of motor bike is welded into first section 211 top of body frame 21; Stiffening plate 27 is welded between group steering hardware steel pipe 46 and the body frame 21, with reinforcement group steering hardware steel pipe 46 and first section 211.
With reference to figure 1, Fig. 3, suspention Engine frame 23 has three and existing vehicle frame kindred organization, mainly comprises two block plates 231, is fixedly welded on below second section 212 of body frame 21.
With reference to figure 1, Fig. 5, first supporting seat 24 is welded in by the little steel plate of " U " font on second section 212 of body frame 21, and it is in order at wanigan 29 bottom support wanigans 29.
With reference to figure 1, Fig. 2 and Fig. 5, second supporting seat 25 is welded on the 4th section 214 of body frame 21, and it is one and is rolled into scalariform steel plate, comprises one first steel plate 252, one first screw 253 and one second steel plate 254; First steel plate 252 has two perforation 2521, and with suspending way assembling wanigan 29; First screw, 253 at both endss all have thread, and are welded in the 4th section 214 centre portion of body frame 21, in order to locking Shock absorber 45 (as shown in Figure 7); Second steel plate 254 is in order to support the cushion 44 (as shown in Figure 7) of motor bike.
With reference to figure 1, Fig. 2, the 3rd supporting seat 26 is a big steel plate that curves " U " font, it is welded in the 5th section 215 ends of body frame 21, and in order to the part of assembling tail part, it comprises parts (not shown) such as motorcycle cushion lock, rear mudguard, back car light, rear bar hand.
With reference to figure 5, when assembling wanigan 29, by the bottom with wanigan 29 be arranged at the top of first supporting seat 24 and with the back of wanigan 29 with second screw 255 or other fixing meanss via the perforation 2521 of first supporting seat 24 one the 4th steel plate 251 of packing into, so that wanigan 29 is fixed on above the body frame 21.
As above-mentioned, the body frame structure for automotive of present embodiment mainly comprises a body frame, and it is from the head to the tail a pipe, does not wherein have any interface, thus very simple, and also very firm; On the other hand, because this body frame curves profile similar " V " font, wherein second section roughly is in the horizontal positioned state, first section and the 3rd section are tilting, the space is widened to certain degree, make the rider feel very convenient, especially the body frame structure for automotive of present embodiment is a single tube, make this vehicle frame have only a minimum width, so be to change the characteristics of body of motor cycle width.
Fig. 6 is the body frame front elevation that shows second embodiment of the utility model frame of motorcycle, and Fig. 7 is that second embodiment of display application frame of motorcycle of the present utility model comes the front elevation in conjunction with whole motor bike.
The frame of motorcycle of present embodiment comprises a body frame 31, a suspention Engine frame 33, one first supporting seat 34, one second supporting seat 35 and one the 3rd supporting seat 36, the formation of wherein suspending Engine frame 33, first supporting seat 34, second supporting seat 35 and the 3rd supporting seat 36 in midair is identical with first embodiment, omits its explanation at this.
With reference to figure 6, the body frame 31 of present embodiment is curved three bent angles (R1, R2, R3) and is formed four sections steel pipes, be first section 311, second sections 312, the 3rd sections 313 and the 4th sections 314 in regular turn, reduce the making engineering of body frame 31 thus, improve the accuracy rate of frame of motorcycle; In view of the above, second supporting seat 35 is welded on (near corner R3) on the 3rd section 313, and the 3rd supporting seat 36 is set at the 4th section 314 latter end.
With reference to figure 7, Fuel Tank 41 is arranged on the body frame 31, and between second supporting seat 35 and the 3rd supporting seat 36; 44 of cushions are loaded on the top of wanigan 39 and Fuel Tank 41, the front end of its front loaded wanigan 39, and then pack into above the 3rd supporting seat 36 in its back.
Again with reference to figure 7,42 groups in engine is in the 4th steel plate 331 belows of engine suspension 33, and 45 of Shock absorbers are organized on the screw 353 of second supporting seat 35.Each plastic cement part on the motor bike will support iron or is welded in each steel disc of body frame 1 and is arranged at the both sides of vehicle frame 1 via each.