CN206734522U - Body frame structure for automotive and electric car - Google Patents

Abstract

The utility model provides a kind of body frame structure for automotive and electric car, it is related to vehicle technology field, the body frame structure for automotive includes handlebar connecting rod and girder, the cavity for accommodating active line is provided with girder, girder includes tie-beam and rear wheel frame, one end of tie-beam is pivotally connected with handlebar connecting rod, the other end is affixed with rear wheel frame by folding joint, the bottom of handlebar connecting rod is installed with the front fork with front-wheel pivot joint, rear wheel frame includes connecting portion and back vent that is affixed with one end of connecting portion and being pivotally connected with trailing wheel, the other end of connecting portion and folding joint are affixed, the side wall of connecting portion is provided with central axis hole.The utility model alleviates that body frame structure for automotive of the prior art design is unreasonable, and frame section is made up of multiple connecting rods so that the vehicle frame manufacturing procedure complexity of electric car is cumbersome, and integral body aesthetics is poor, complicated and high manufacturing cost technical problem be present.

Description

Body frame structure for automotive and electric car

Technical field

It the utility model is related to vehicle technology field, more particularly to a kind of body frame structure for automotive and electric car.

Background technology

With the development of science and technology, the raising of social and economic level, people are while living standard raising is paid close attention to, ring The problem of guarantor also increasingly becomes people's growing interest.Electric car is as a kind of without discharge, free of contamination clean energy resource traffic work Tool, it is a kind of application of new energy in a vehicle.Wherein, electric car has higher maneuverability, can be easy to wear Shuttle also increasingly obtains popularization use in crowded road in daily life.Skeleton of the vehicle frame as electric car, It is the important building block for forming electric car, has the function that to connect front and back wheel and load-bearing.

Although existing vehicle frame possesses above-mentioned advantage, still, its structure design is unreasonable, and frame section is by multiple connecting rods Composition so that the vehicle frame manufacturing procedure complexity of electric car is cumbersome, and integral body aesthetics is poor, exists complicated and is manufactured into This high technical problem.

Utility model content

The purpose of this utility model is to provide a kind of body frame structure for automotive and electric car, to alleviate vehicle frame of the prior art Structure design is unreasonable, and frame section is made up of multiple connecting rods so that the vehicle frame manufacturing procedure complexity of electric car is cumbersome, exists Complicated and high manufacturing cost technical problem.

A kind of body frame structure for automotive provided by the utility model, including handlebar connecting rod and girder, interior be provided with of the girder accommodate work Make the cavity of line；

The girder includes tie-beam and rear wheel frame, and one end of the tie-beam is pivotally connected with the handlebar connecting rod, another End is affixed by folding joint and the rear wheel frame, and the bottom of the handlebar connecting rod is installed with the front fork with front-wheel pivot joint；

The rear wheel frame includes connecting portion and back vent that is affixed with one end of the connecting portion and being pivotally connected with trailing wheel, described The other end of connecting portion and the folding joint are affixed, and the side wall of the connecting portion is provided with central axis hole.

Further, the folding joint includes the first folding part and the second folding part mutually hinged, first folding The surface in folded portion stretches out to form first joint being sleeved in the tie-beam, and the surface of second folding part is outside Extension forms second joint being sleeved in the connecting portion.

Further, axis is provided with the central axis hole, the axis is provided with axle sleeve, and the axis is spent with the axle sleeve Key connection.

Further, the outer surface of second joint caves inward to form a groove, the inner surface of the connecting portion to It is projecting inward to form a projection with the groove clamping.

Further, the tie-beam, the folding joint and the rear wheel frame are forging molding.

Further, first joint and the junction of the tie-beam and second joint and the connecting portion Junction is welding.

The beneficial effects of the utility model are：

The body frame structure for automotive includes handlebar connecting rod and girder, and the bottom of handlebar connecting rod is installed with the front fork with front-wheel pivot joint, main Beam includes tie-beam and rear wheel frame, and rear wheel frame includes the back vent with trailing wheel pivot joint.When carrying out electric car installation, staff The front-wheel of electric car need to be only articulated on front fork, trailing wheel is articulated in the group of Electricmotor car wheel part just completed on back vent Dress.Girder also includes tie-beam, and one end and the sweep connecting rod of tie-beam are pivotally connected, and the other end is consolidated by folding joint and connecting portion Connect, handlebar connecting rod is linked together by tie-beam and rear wheel frame and together constitutes the body frame structure for automotive.Wherein, it is provided with girder The cavity of electric car active line is accommodated, the side wall of connecting portion is provided with the central axis hole of installation electric car crank, will when installing electric car Such as the active line such as trailing wheel brake line, motor lines, car light line is both placed in cavity, the connection cables of the sensor of electric car are put Put in central axis hole so that the vehicle frame tailored appearance, avoid the active line situation that entanglement connects outside vehicle frame of electric car, improve The integrated beauty perception of the driving skills structure.

The utility model constitutes the body frame structure for automotive by handlebar connecting rod and girder, wherein, girder includes tie-beam with after Vehicle frame is taken turns, both are connected by folding joint, and body frame structure for automotive composition parts are few, simple in construction, reduce the body frame structure for automotive Overall weight, reduce processing and manufacturing process, reduce production cost.Wherein, because tie-beam directly connects with rear wheel frame Be connected to folding joint, tie-beam can be by folding joint juxtaposition with rear wheel frame together with, reduce the volume of body frame structure for automotive, The space-consuming of body frame structure for automotive is saved, is easy to storage to deposit.

The utility model provides a kind of electric car with above-mentioned body frame structure for automotive.

Further, Pillar for saddle is installed with the rear wheel frame, saddle, the saddle bag are installed with the Pillar for saddle Include saddle body and be installed in the dynamic mount of the saddle body bottom；

The dynamic mount includes support bar and along the first decoupling rod for being bent to form of inward at both ends of the support bar and the Two decoupling rods, first decoupling rod and second decoupling rod are arranged in a crossed manner, and the bottom of the fixed saddle body of both of which Portion.

Further, the tail end of the saddle body is installed with backrest, and the backrest includes backboard and connecting rod, described One end of connecting rod and the backboard are affixed, and the other end and the saddle body are affixed.

Further, cave inward to form an air-vent in the middle part of the saddle body.

The beneficial effects of the utility model：

The electric car and Dominant Facies possessed by above-mentioned body frame structure for automotive are same, will not be repeated here.

Brief description of the drawings

, below will be right in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art The required accompanying drawing used is briefly described in embodiment or description of the prior art, it should be apparent that, describe below In accompanying drawing be some embodiments of the present utility model, for those of ordinary skill in the art, do not paying creativeness On the premise of work, other accompanying drawings can also be obtained according to these accompanying drawings.

Fig. 1 is the structural representation for the body frame structure for automotive that the utility model embodiment one provides；

Fig. 2 is the explosive view of Fig. 1 middle girders and folding joint；

Fig. 3 is the structural representation of folding joint in Fig. 2；

Fig. 4 is the structural representation of rear wheel frame in Fig. 1；

Fig. 5 is the structural representation of axis in Fig. 1；

Fig. 6 is the structural representation for the saddle that the utility model embodiment two provides；

Fig. 7 is the structural representation for the dynamic mount that the utility model embodiment two provides.

Icon：1- handlebar connecting rods；2- girders；3- folding joints；4- Pillar for saddle；5- saddles；6- backrests；11- front forks；21- Tie-beam；22- rear wheel frames；221- connecting portions；222- back vents；2211- is raised；2212- central axis holes；22121- axis； 22122- axle sleeves；The folding parts of 31- first；The folding parts of 32- second；The joints of 311- first；The joints of 321- second；3211- grooves； 51- saddle bodies；52- dynamic mounts；521- support bars；The decoupling rods of 522- first；The decoupling rods of 523- second；61- backboards；62- Connecting rod.

Embodiment

The technical solution of the utility model is clearly and completely described below in conjunction with accompanying drawing, it is clear that described Embodiment is the utility model part of the embodiment, rather than whole embodiments.Based on the embodiment in the utility model, sheet The every other embodiment that field those of ordinary skill is obtained under the premise of creative work is not made, belongs to this practicality Novel protected scope.

, it is necessary to explanation in description of the present utility model, term " " center ", " on ", " under ", it is "left", "right", " perpendicular Directly ", the orientation of the instruction such as " level ", " interior ", " outer " or position relationship are based on orientation shown in the drawings or position relationship, are only Described for the ease of description the utility model and simplifying, rather than instruction or imply signified device or element must have it is specific Orientation, with specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.In addition, term " the One ", " second ", " the 3rd " are only used for describing purpose, and it is not intended that instruction or hint relative importance.

, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in description of the present utility model Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly Connection；Can be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary, It can be the connection of two element internals.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition Concrete meaning of the language in the utility model.

Embodiment one

As shown in Figure 1, Figure 2 and Figure 3, the present embodiment provides a kind of body frame structure for automotive, including handlebar connecting rod 1 and girder 2, girder The cavity for accommodating active line is provided with 2.

Girder 2 includes tie-beam 21 and rear wheel frame 22, and one end and the handlebar connecting rod 1 of tie-beam 21 are pivotally connected, and the other end leads to Cross folding joint 3 and rear wheel frame 22 is affixed, the bottom of handlebar connecting rod 1 is installed with the front fork 11 with front-wheel pivot joint.

Rear wheel frame 22 includes connecting portion 221 and back vent 222 that is affixed with one end of connecting portion 221 and being pivotally connected with trailing wheel, The other end of connecting portion 221 and folding joint 3 are affixed, and the side wall of connecting portion 221 is provided with central axis hole 2212.

The body frame structure for automotive includes handlebar connecting rod 1 and girder 2, and the bottom of handlebar connecting rod 1 is installed with the front fork with front-wheel pivot joint 11, girder 2 includes tie-beam 21 and rear wheel frame 22, and rear wheel frame 22 includes the back vent 222 with trailing wheel pivot joint.Carry out electric car During installation, the front-wheel of electric car need to be only articulated on front fork 11 by staff, and trailing wheel is articulated in what is just completed on back vent 222 The assembling of Electricmotor car wheel part.Girder 2 also includes tie-beam 21, and one end and the sweep connecting rod of tie-beam 21 are pivotally connected, the other end Affixed by folding joint 3 and connecting portion 221, handlebar connecting rod 1 is linked together by tie-beam 21 and rear wheel frame 22, jointly Constitute the composition of the body frame structure for automotive.Wherein, the cavity for accommodating electric car active line, the side wall of connecting portion 221 are provided with girder 2 Central axis hole 2212 provided with installation electric car crank, will be such as trailing wheel brake line, motor lines, car light line when installing electric car Active line is both placed in cavity, and the connection cables of the sensor of electric car are placed in central axis hole 2211 so that outside the vehicle frame The active line situation that entanglement connects outside vehicle frame for succinctly, avoiding electric car is seen, improves the integrated beauty perception of the driving skills structure. The active line of electric car is arranged in girder 2, the active line of electric car can be avoided by the erosion of rainwater or shining for sunlight Penetrate, extend the service life of active line, and then extend the service life of whole electric car.

The present embodiment has been built into the body frame structure for automotive jointly by handlebar connecting rod 1 and girder 2, wherein, girder 2 includes connection Beam 21 and rear wheel frame 22, both are connected by folding joint 3, and body frame structure for automotive composition parts are few, simple in construction, reduce Process is fabricated, reduces production cost, simultaneously as body frame structure for automotive composition parts cause the whole of the body frame structure for automotive less Body weight, it is easy to carry and moves and put.

Wherein, because tie-beam 21 and rear wheel frame 22 have been directly connected to folding joint 3, tie-beam 21 and rear wheel frame 22 It can reduce the volume of body frame structure for automotive by the juxtaposition of folding joint 3 together, save the space-consuming of body frame structure for automotive, just Deposited in storage.

Wherein, folding joint 3 includes the first folding part 31 and the second folding part 32 mutually hinged, the first folding part 31 Surface stretches out to form first joint 311 being sleeved in tie-beam 21, and the surface of the second folding part 32 stretches out shape The second joint 321 being sleeved on into one in connecting portion 221.

In the present embodiment, when packing up the body frame structure for automotive, the both hands of driver are held with a firm grip tie-beam 21 and rear wheel frame respectively 22, tie-beam 21 is with rear wheel frame 22 in the presence of external force while with the pin joint of the first folding part 31 and the second folding part 32 For pivot point, and then cause tie-beam 21 together with the juxtaposition of rear wheel frame 22, it is simple in construction, it is ingenious in design, after folding Body frame structure for automotive, reduce its spatial volume, be easy to deposit and store, save storage space.Wherein, by by the first joint In 311 suit tie-beams 21, the second joint 321 is sleeved in connecting portion 221 so that tie-beam 21, folding joint 3 and trailing wheel car Frame 22 is integrally formed, simple for structure, and body frame structure for automotive monnolithic case is just like one, the outward appearance for further increasing the vehicle frame regard Feel effect.

Wherein, in the present embodiment, the angle of girder 2 and handlebar connecting rod 1 is acute angle, i.e., girder 2 is to close to ground direction Tilt, the girder 2 after inclination make it that the center of gravity of body frame structure for automotive is relatively low, improves the counterbalance effect of electric car, prevents driver from existing In driving procedure, electronic vehicle body swing rocks, and further increases security.Meanwhile the inclined design of girder 2 also improves this The apparent visual sense of body frame structure for automotive and aesthetic measure.In addition, the height that inclined girder 2 reduces body frame structure for automotive is easy to drive People is sailed to get on or off the bus.

As shown in figure 4, in the present embodiment, folding joint 3 is provided with snap close piece, snap close piece includes locking-bar and is installed in lock The locking board of button bar one end, the other end of locking-bar and the first folding part 31 and the three of the second folding part 32 are mutually hinged.Wherein, The inner surface of locking board is provided with lock buckling groove, and the outer surface of connecting portion 221 is provided with the lock projections 2211 with lock buckling groove clamping. When opening tie-beam 21 and rear wheel frame 22, driver pulls locking board, and locking-bar with the first folding part 31 and second to fold The pin joint in portion 32 is pivot point, and then lock buckling groove is connected together with lock projections 2211, prevents in drive the cross, connection Beam 21 separates with rear wheel frame 22, improves security and practicality in driving procedure；Fold tie-beam 21 and rear wheel frame When 22, driver need to only pull locking board so that lock buckling groove separates with lock projections 2211, i.e., driver can be in the work of external force With it is lower by tie-beam 21 together with the juxtaposition of rear wheel frame 22, simple in construction, simple operation.

As shown in figure 5, wherein, in the present embodiment, axis 22121 is provided with central axis hole 2212, axis is provided with axle sleeve 22122, axis is connected with axle sleeve spline.Axis 22121 is connected with spline makes axis 22121 and the composition of axle sleeve 22,122 one whole Body, easy to assembly, assembling effect is good.Because girder is integral type structure, axis 22121 is provided with axle sleeve 22122, axle sleeve 22122 can be designed to different diameters, and making to mix suitable axle sleeve 22122 for the axis 22121 of different-diameter to fit For rear wheel frame 22, i.e., axis 22121 mix suitable axle sleeve 22122 can install with central axis hole 2212.

Wherein, in the present embodiment, the outer surface of the second joint 321 caves inward to form a groove 3211, connecting portion 221 Inner surface it is inwardly projecting form one and projection 2211 of the clamping of groove 3211, by groove 3211 and 2211 clampings of projection, make The second joint 321 with connecting portion 221 just like integrative-structure so that the outward appearance of the body frame structure for automotive is more succinct, generous.Lead to simultaneously Cross groove 3211 and raised 2211 clampings, additionally it is possible to so that folding joint 3 is connected firmly with connecting portion 221, further increase The feature of the body frame structure for automotive.

Specifically, in the present embodiment tie-beam 21, folding joint 3 and rear wheel frame 22 is forging molding.Forging Shaping can increase the bulk strength of the body frame structure for automotive, prevent the deformation of tie-beam 21, folding joint 3 and rear wheel frame 22 from breaking Split, extend the service life of the body frame structure for automotive.And forging molding can improve production efficiency, the characteristics of large-scale production, reduce The process of machining, reduces production cost.

In the present embodiment, can be in the outer of body frame structure for automotive to be capable of the service life of the further very high body frame structure for automotive One layer of paint of external coating, paint can prevent outside air moisture etc. from corroding body frame structure for automotive surface, while can also avoid meeting with By the erosion of rainwater or irradiating for sunlight, the service life of electric car is further increased.

Specifically, the first joint 311 and the junction of tie-beam 21 and the junction of the second joint 321 and connecting portion 221 It is welding.Welding can improve junction and the second joint 321 and the connecting portion 221 of the first joint 311 and tie-beam 21 The preceding degree of junction, prevent the body frame structure for automotive junction occurs torsional deformation in the case where human body picks up body weight power, improves safety Property.And welding have save metal material, compactness it is good, into accommodating and production cost it is low the characteristics of.

In the present embodiment, the first joint 311 and the junction of tie-beam 21 and the second joint 321 and connecting portion 221 Junction can also set screw hole, be fixed junction by bolts through bolt holes, simple and convenient, convenient disassembly.

Embodiment two

The present embodiment provides a kind of electric car of the body frame structure for automotive with described in above-described embodiment one.

The electric car and Dominant Facies possessed by above-mentioned body frame structure for automotive are same, will not be repeated here.

As shown in Figure 6 and Figure 7, wherein, Pillar for saddle 4 is installed with rear wheel frame 22, saddle 5, saddle are installed with Pillar for saddle 4 Seat 5 includes saddle body 51 and is installed in the dynamic mount 52 of the bottom of saddle body 51.

Dynamic mount 52 include support bar 521 and along support bar 521 the first decoupling rod 522 for being bent to form of inward at both ends and Second decoupling rod 523, the first decoupling rod 522 and the second decoupling rod 523 are arranged in a crossed manner, and the bottom of the fixed saddle body 51 of both of which Portion.

In the present embodiment, saddle 5 is installed on Pillar for saddle 4, when driver rides when on the bad road surface of road conditions, car The upward impulse force that wheel receives can be transferred on saddle 5 by Pillar for saddle 4.Driver is sitting on saddle body 51, on Pillar for saddle 4 Impulse force be transferred to saddle body 51 during, driver's pressure downward to saddle body 51, so cause the first cantilever Elastic force is produced with the second cantilever compression, the impulse force that Pillar for saddle 4 is transferred on saddle body 51 is offseted, reaches and subtract by elastic force The purpose of shake.Support arm support bar 521 can further fixed saddle body 51, meanwhile, also function to the work of buffer portion impulse force With the first decoupling rod 522, the second decoupling rod 523 and support arm support bar 521 together constitute the shock absorption system of saddle 5 so that The buttocks of driver slows down stress, increases comfortable sensation.

As shown in fig. 6, wherein, in the present embodiment, the tail end of saddle body 51 is installed with backrest 6, and backrest 6 includes backrest Plate 61 and connecting rod 62, one end of connecting rod 62 and backboard 61 are affixed, and the other end and saddle body 51 are affixed.In the mistake of traveling Cheng Zhong, the back of driver can be rested on backboard 61, are improved the comfort level in riding, are reduced the fatigue strength at back. Wherein, one end of connecting rod 62 and backboard 61 are affixed, and the other end and saddle body 51 are affixed, and connecting rod 62 can be by backboard 61 link together with what saddle body 51 consolidated, and the middle backboard 61 that prevents from riding rocks, and causes the feelings of driver's crank Condition occurs, and improves security and practicality.

In the present embodiment, saddle body 51 be from top to bottom followed successively by leather layer, the foaming layer Nian Jie with leather layer and with The spongy layer of foaming layer bonding, foaming layer can increase the pliability of saddle body 51, and the setting of leather layer can prevent from foaming The direct ingress of air of layer, and avoid foaming layer from using the longevity by the erosion of rainwater or irradiating for sunlight, raising saddle 5 Life, thin cotton layer further improve the pliability of saddle body 51.Wherein, leather layer, foaming layer and spongy layer three glue each other Connection, it is simple, quick and convenient, reduce production and processing cost.

Wherein, in the present embodiment, the middle part of saddle body 51 caves inward to form an air-vent.Air-vent can increase The gas permeability of driver's buttocks, make driver more comfortable in riding, further increase practicality and feature.

Finally it should be noted that：Various embodiments above is only to illustrate the technical solution of the utility model, rather than it is limited System；Although the utility model is described in detail with reference to foregoing embodiments, one of ordinary skill in the art should Understand：It can still modify to the technical scheme described in foregoing embodiments, either to which part or whole Technical characteristic carries out equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from this practicality newly The scope of each embodiment technical scheme of type.

Claims (10)

1. a kind of body frame structure for automotive, it is characterised in that be provided with and accommodate including handlebar connecting rod (1) and girder (2), in the girder (2) The cavity of active line；

The girder (2) includes tie-beam (21) and rear wheel frame (22), and one end and the handlebar of the tie-beam (21) connect Bar (1) is pivotally connected, and the other end is affixed by folding joint (3) and the rear wheel frame (22), and the bottom of the handlebar connecting rod (1) is consolidated Provided with the front fork (11) being pivotally connected with front-wheel；

The rear wheel frame (22) include connecting portion (221) and it is affixed with one end of the connecting portion (221) and with trailing wheel be pivotally connected Back vent (222), the other end and the folding joint (3) of the connecting portion (221) are affixed, the side of the connecting portion (221) Wall is provided with central axis hole (2212).

2. body frame structure for automotive according to claim 1, it is characterised in that the folding joint (3) includes mutually hinged the One folding part (31) and the second folding part (32), the surface of first folding part (31) stretch out to be formed one be sleeved on it is described The first joint (311) in tie-beam (21), the surface of second folding part (32) stretch out to be formed one be sleeved on it is described The second joint (321) in connecting portion (221).

3. body frame structure for automotive according to claim 2, it is characterised in that, it is provided with axis in the central axis hole (2212) (22121), the axis is provided with axle sleeve (22122), and the axis is connected with the axle sleeve spline.

4. body frame structure for automotive according to claim 3, it is characterised in that, the outer surface of second joint (321) concaves Fall into and form a groove (3211), the inner surface of the connecting portion (221) is inwardly projecting to form one and the groove (3211) clamping Projection (2211).

5. body frame structure for automotive according to claim 4, it is characterised in that, the tie-beam (21), the folding joint (3) and The rear wheel frame (22) is forging molding.

6. body frame structure for automotive according to claim 5, it is characterised in that, first joint (312) and the tie-beam (21) junction and the junction of second joint (321) and the connecting portion (221) is welding.

7. a kind of electric car, it is characterised in that including the body frame structure for automotive as described in claim any one of 1-6.

8. electric car according to claim 7, it is characterised in that Pillar for saddle (4) is installed with the rear wheel frame (22), Saddle (5) is installed with the Pillar for saddle (4), the saddle (5) includes saddle body (51) and is installed in the saddle body (51) dynamic mount (52) of bottom；

The dynamic mount (52) include support bar (521) and along the support bar (521) inward at both ends be bent to form first Decoupling rod (522) and the second decoupling rod (523), first decoupling rod (522) is intersected with second decoupling rod (523) to be set Put, and the bottom of the fixed saddle body (51) of both of which.

9. electric car according to claim 8, it is characterised in that the tail end of the saddle body (51) is installed with backrest (6), the backrest (6) includes backboard (61) and connecting rod (62), one end and the backboard of the connecting rod (62) (61) affixed, the other end and the saddle body (51) are affixed.

10. electric car according to claim 9, it is characterised in that cave inward shape in the middle part of the saddle body (51) Into an air-vent.