CN108820106B - Electric vehicle frame - Google Patents
Electric vehicle frame Download PDFInfo
- Publication number
- CN108820106B CN108820106B CN201810965247.5A CN201810965247A CN108820106B CN 108820106 B CN108820106 B CN 108820106B CN 201810965247 A CN201810965247 A CN 201810965247A CN 108820106 B CN108820106 B CN 108820106B
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- Prior art keywords
- bracket
- frame
- electric vehicle
- lower bracket
- fixing
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- 239000002184 metal Substances 0.000 claims abstract description 21
- 238000003466 welding Methods 0.000 claims description 30
- 230000003014 reinforcing effect Effects 0.000 claims description 27
- 230000007306 turnover Effects 0.000 claims description 2
- 229910000831 Steel Inorganic materials 0.000 description 9
- 239000010959 steel Substances 0.000 description 9
- 238000005452 bending Methods 0.000 description 6
- 238000009434 installation Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000011324 bead Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
- B62K19/00—Cycle frames
- B62K19/02—Cycle frames characterised by material or cross-section of frame members
- B62K19/04—Cycle frames characterised by material or cross-section of frame members the material being wholly or mainly metallic, e.g. of high elasticity
- B62K19/08—Cycle frames characterised by material or cross-section of frame members the material being wholly or mainly metallic, e.g. of high elasticity made from sheet
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
- B62K19/00—Cycle frames
- B62K19/18—Joints between frame members
- B62K19/20—Joints between frame members welded, soldered, or brazed
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Body Structure For Vehicles (AREA)
Abstract
The invention provides an electric vehicle frame, and belongs to the technical field of electric vehicles. The electric vehicle frame solves the technical problems that an existing electric vehicle frame is small in strength, poor in universality and the like. This electric motor car frame includes preceding riser, the saddle frame and connects the bracket of preceding riser and saddle frame, the bracket includes the bracket and is located the pedal frame of bracket top down, bracket and pedal frame down are by metal sheet stamping forming, the front end of pedal frame is passed to the lower extreme of preceding riser and is supported with the front end of bracket down, all through welded fastening between preceding riser and pedal frame and preceding riser and the lower bracket, the saddle frame includes two posterior lateral plates by metal sheet stamping forming, the posterior lateral plate includes vertical section and horizontal segment, be fixed through being rectangular mounting between the vertical section of two posterior lateral plates and the rear end of bracket down, still be fixed with at least one connecting piece between two posterior lateral plates, pedal frame's rear end and the vertical section welded fastening of two posterior lateral plates. The invention has the advantages of high strength and good universality.
Description
Technical Field
The invention belongs to the technical field of electric vehicles, and relates to an electric vehicle frame, in particular to an electric bicycle frame.
Background
The traditional electric vehicle frames are formed by welding and assembling steel pipes, such as an electric vehicle frame disclosed in China patent literature (application No. 20151230053. X) or a two-wheel mother-child electric vehicle frame (application No. 201420146511. X) and the like. The traditional electric vehicle frame has lower integral strength because of lower bending strength of the steel pipe, which is not beneficial to the running safety of the electric vehicle; because the steel pipes are round pipes, in order to install the fittings of the electric vehicle on the steel pipe type vehicle frame, the installation sheets with the installation holes are required to be welded at the corresponding positions of the steel pipes, and then the fittings are fixed on the installation sheets to realize the installation; furthermore, because the coverage area of the steel pipe is smaller, the special frame is designed for the type of the battery car when different battery cars are adapted, namely the universality of the frame manufactured by the steel pipe is lower.
Disclosure of Invention
The invention aims to solve the problems in the prior art, and provides an electric vehicle frame, which aims to increase the strength of the electric vehicle frame and improve the universality.
The aim of the invention can be achieved by the following technical scheme:
the utility model provides an electric motor car frame, includes preceding riser, saddle and the bracket of connecting preceding riser and saddle, its characterized in that, the bracket includes the lower carriage and is located the pedal frame of lower carriage top, lower carriage and pedal frame are by sheet metal stamping forming, the lower carriage is rectangular shape, the front end that the pedal frame was passed to the lower extreme of preceding riser and with the front end of lower carriage support, all pass through welded fastening between preceding riser and pedal frame and preceding riser and the lower carriage, the saddle includes two posterior lateral plates by sheet metal stamping forming, the posterior lateral plate includes vertical section and horizontal segment, two the vertical section of posterior lateral plate is located the both sides of lower carriage respectively, two be fixed through being rectangular shape's mounting between the vertical section of posterior lateral plate and the rear end of lower carriage, two still be fixed with at least one connecting piece between the posterior lateral plate, the posterior end of pedal frame and the vertical section welded fastening of two posterior lateral plates.
The lower bracket, the pedal frame and the two rear side plates forming the rear seat frame are formed by stamping metal plates, the strength of the stamping sheet metal part relative to the steel tube structure is higher, and the structure strength of the electric vehicle frame formed by the lower bracket, the pedal frame and the rear seat frame formed by stamping metal plates is higher and more stable, so that the electric vehicle can run more safely, and the electric vehicle is less prone to deformation to cause injury to a rider during collision and is safer; the lower bracket, the pedal frame and the back seat frame which are formed by stamping can be produced in large scale, so that the production cost is reduced, and the cost of the electric vehicle frame is lower; the lower bracket, the pedal frame and the rear side plate which are formed by stamping can be formed in one step, and the frame can be formed by only fixing and assembling the components, so that the connecting points on the frame of the electric vehicle are relatively fewer, the assembling difficulty is reduced, and the assembling efficiency is improved; the area of stamping forming's lower carriage, pedal frame and posterior lateral plate is great, consequently can set up the mounting hole on different positions, can set up the spare part of mounting hole come the installation electric motor car in different positions according to the designing requirement of electric motor car of different models, and the electric motor car frame that also above-mentioned structure can adapt to the electric motor car of multiple structure, and the commonality is high, has reduced the development cost of frame.
In the electric vehicle frame, a rear bracket is further arranged between the vertical section of the rear seat frame and the fixing piece, the rear bracket is formed by stamping a metal plate, two sides of the rear bracket are respectively provided with a downward turned fixing flanging, two ends of the fixing piece respectively penetrate through the fixing flanging at two sides of the rear bracket and are welded and fixed, and two vertical sections of the rear side plates respectively penetrate through the rear bracket and are welded and fixed with the fixing piece. The rear bracket adopting the metal plate for stamping forming has high strength, a triangular structure is formed among the welding point of the rear bracket and the fixing piece, the welding point of the rear bracket and the vertical section and the welding point of the vertical section and the fixing piece, the upper section of the vertical section positioned on the fixing piece can be supported by increasing the rear bracket, the fixing strength between the vertical section and the fixing piece is increased, the stability of the frame is ensured, and meanwhile, the rear bracket is also used for supporting a storage battery.
In the electric vehicle frame, the front end of the rear bracket is positioned below the pedal frame and is attached to the pedal frame in a welding manner. The rear bracket is directly fixed with the pedal frame, the direct connection between the rear bracket and the pedal frame is increased, the rear bracket and the pedal frame are both fixed with the rear seat frame, and the integrity of the electric vehicle frame is further improved through the direct fixation and the indirect fixation, so that the electric vehicle frame is higher in overall strength and firmer in structure.
In the electric vehicle frame, the vertical section and the horizontal section of the rear side plate are provided with the reinforcing ribs by punch forming. The structure can increase the bending strength of the rear side plate and improve the integral strength of the rear seat frame.
In the electric vehicle frame, the edge of the rear side plate is provided with the first reinforcing flanging which is turned outwards, the middle of the rear bracket is provided with the through hole, the edge, close to the fixing flanging, of the through hole is provided with the first fixing bayonets, the rear side plate penetrates through the through hole, and the first reinforcing flanging on the rear side plate penetrates through the two fixing bayonets respectively and is welded together. The first reinforcing flange is clamped into the first fixing bayonet to further strengthen the connection strength of the rear bracket and the rear side plate in the front-rear direction, and meanwhile, the welding position is increased, so that the welding strength is improved; meanwhile, the mounting positions of the rear bracket and the rear seat frame can be quickly positioned during mounting, and the assembly efficiency is improved.
In the electric vehicle frame, the edge of the through hole on the rear bracket is provided with a supporting flange which is bent downwards, the vertical section is provided with an extending part which is positioned right below the supporting flange, and the lower end of the supporting flange is abutted against the extending part and welded and fixed. The rear bracket can be supported through the support flanging, so that the storage battery can be more stably supported.
In the electric vehicle frame, the pedal frame is provided with the supporting plate part bent downwards near the front end, and the lower end of the supporting plate part is abutted against the lower bracket and welded and fixed with the lower bracket. The supporting plate part is formed by stamping and bending, and can support the pedal frame, so that the welding part of the pedal frame and the front vertical pipe is prevented from being broken due to overlarge stress, and the strength is improved; further, when collision occurs, the supporting plate part can increase the strength of the pedal frame and the lower bracket near the front end, so that the front ends of the pedal frame and the lower bracket are prevented from bending, and the anti-collision strength of the frame is improved.
In the above electric vehicle frame, the rear end of the pedal frame is provided with two extending sections respectively positioned at two sides of the pedal frame, the inner side of the extending section is provided with a fixing bayonet II, the end part of the extending section is abutted against the inner side of one reinforcing flanging of the rear side plate, and the other reinforcing flanging penetrates through the fixing bayonet II. The first reinforcing flange is clamped into the second fixing bayonet to further strengthen the connection strength of the pedal frame and the rear side plate in the front-rear direction, and meanwhile, the welding position is increased, so that the welding strength is improved; meanwhile, the mounting positions of the pedal frame and the rear seat frame can be quickly positioned during mounting, and the assembly efficiency is improved.
In the electric vehicle frame, the inner side of the extension section is further provided with a fixing notch, the reinforcing ribs on the vertical section protrude outwards, and the reinforcing ribs are embedded into the fixing notch and welded. The structure can further improve the connection strength between the extension section and the vertical section in the front-rear direction, and meanwhile, the welding position is increased, so that the welding strength is improved.
In the electric vehicle frame, the cross section of the lower bracket is U-shaped, the front end of the lower bracket is provided with an arc flanging which is arc-shaped, two ends of the arc flanging are connected with two side walls of the lower bracket, a positioning notch is formed between the arc flanging and the lower bracket, and the lower end of the front vertical pipe is inserted into the positioning notch and welded and fixed. The lower bracket of the structure has high bending strength; meanwhile, the lower end of the front vertical pipe is sleeved through the positioning notch structure and then welded, the lower end of the front vertical pipe is abutted to the circular-arc flanging and the two side walls of the lower bracket, so that the contact area is large, acting force can be dispersed, the pressure at a welding point is reduced, the connection strength between the lower bracket and the front vertical pipe is improved, and the stability of the whole frame is ensured; and the front vertical pipe can be quickly positioned to the mounting position by the positioning notch structure during welding and then welded, so that the welding efficiency and the welding quality are improved.
In the electric vehicle frame, the edges of the two side walls of the lower bracket are respectively provided with a reinforcing flanging which is turned outwards. This structure can further increase the bending strength of the lower bracket.
In the electric vehicle frame, the fixing piece penetrates through two side walls at the rear end of the lower bracket and is welded and fixed with two side walls at the rear end of the lower bracket. The round hole or the semicircular hole is formed in the two side walls located at the rear end of the lower bracket, the fixing piece penetrates through the round hole or the semicircular hole, welding spots are formed between the fixing piece and the two side walls located at the rear end of the lower bracket in a welding mode, the fixing strength between the fixing piece and the lower bracket can be guaranteed through the structure, the stability of the whole frame is improved, meanwhile, the fixing piece and the lower bracket are convenient to weld and position, and the frame of the electric vehicle is convenient to weld and assemble.
In the electric vehicle frame, the bottom wall at the rear end of the lower bracket is provided with an arc supporting part which is bent upwards, and the arc supporting part can wrap the fixing piece and is fixed with the fixing piece. The arc support portion can wrap the lower peripheral surface of the fixing piece, the contact area between the lower bracket and the fixing piece is increased, welding spots are formed between the arc support portion and the fixing piece in a welding mode, the fixing strength between the fixing piece and the lower bracket is further increased, and the stability of the whole frame is further improved.
In the electric vehicle frame, the first connecting piece is located between the horizontal sections of the two rear side plates, the second connecting piece is located between the vertical sections of the two rear side plates, and the first connecting piece and the second connecting piece are formed by stamping through metal plates. The first connecting piece and the second connecting piece which are formed by stamping the metal plates have high strength, can firmly connect the two rear side plates, and ensure the strength of the rear seat frame; meanwhile, the first connecting piece and the second connecting piece can also be directly provided with parts of the electric vehicle, so that the universality of the electric vehicle is improved.
Compared with the prior art, the electric vehicle frame has the advantages of high and stable structural strength and high frame universality; meanwhile, welding spots are fewer and the welding spot positions are fixed when the electric vehicle frame is assembled, the automatic welding mode of the welding manipulator can be realized, and the electric vehicle frame has the advantages of more convenient frame production and assembly and lower cost.
Drawings
Fig. 1 is a schematic side view of the frame of the electric vehicle.
Fig. 2 is a schematic perspective view of the frame of the electric vehicle.
Fig. 3 is a schematic perspective view of another view of the electric vehicle frame.
Fig. 4 is an enlarged schematic view of the portion a in fig. 1.
Fig. 5 is a schematic perspective view of a lower bracket in the electric vehicle frame.
Fig. 6 is a schematic perspective view of a rear seat frame in the frame of the electric vehicle.
Fig. 7 is a schematic top view of the pedal frame in the frame of the electric vehicle.
Fig. 8 is a schematic perspective view of a rear bracket in the frame of the electric vehicle.
In the figure, 1, a front vertical pipe; 2. a rear mount; 21. a rear side plate; 21a, vertical section; 211. an extension; 21b, horizontal segment; 22. reinforcing the convex ribs; 23. reinforcing the first flanging; 3. a lower bracket; 31. arc flanging; 311. positioning the notch; 32. reinforcing a second flanging; 33. an arc support part; 34. a fixing notch; 4. pedal frame; 41. a lightening hole; 42. an extension section; 421. a second fixed bayonet; 422. a fixing recess; 43. a support plate portion; 5. a fixing member; 6. a rear bracket; 61. fixing and flanging; 62. a through hole; 63. a first fixed bayonet; 64. supporting and flanging; 7. a first connecting piece; 71. a second connecting piece; 8. and (5) installing a pipe.
Detailed Description
The following are specific embodiments of the present invention and the technical solutions of the present invention will be further described with reference to the accompanying drawings, but the present invention is not limited to these embodiments.
As shown in fig. 1 to 8, the electric vehicle frame comprises a front vertical pipe 1, a rear seat frame 2 and a bracket connecting the front vertical pipe 1 and the rear seat frame 2, the bracket comprises a lower bracket 3 and a pedal frame 4 positioned above the lower bracket 3, and a weight reducing hole 41 is formed on the pedal frame 4; the lower end of the front vertical pipe 1 passes through the front end of the pedal frame 4 and is abutted against the front end of the lower bracket 3, the front vertical pipe 1 and the pedal frame 4 and the front vertical pipe 1 and the lower bracket 3 are fixed by welding, a supporting plate part 43 bent downwards is arranged on the pedal frame 4 near the front end, and the lower end of the supporting plate part 43 is abutted against the lower bracket 3 and is fixed by welding with the lower bracket 3; the rear seat frame 2 comprises two rear side plates 21 formed by stamping of metal plates, reinforcing ribs 22 are formed on the vertical section 21a and the horizontal section 21b of the rear side plates 21 by stamping, and at least one connecting piece is fixed between the two rear side plates 21; a rear bracket 6 is also arranged between the vertical section 21a of the rear seat frame 2 and the fixing piece 5, two sides of the rear bracket 6 are respectively provided with a downward turnover fixing flanging 61, and the front end of the rear bracket 6 is positioned below the pedal frame 4 and is attached to the pedal frame 4 in a welding manner.
The lower bracket 3, the pedal frame 4, the two rear side plates 21, the rear bracket 6 and the connecting member are all formed by stamping a metal plate, specifically, the lower bracket 3, the pedal frame 4, the two rear side plates 21, the rear bracket 6 and the connecting member are all formed by stamping a cold-rolled plate, and as preferable: the cold-rolled sheet is DC05 or DC06, and the thickness of the stamping formed lower bracket 3, pedal frame 4, two rear side plates 21, rear bracket 6 and connecting piece is 1.35 mm-1.8 mm.
As shown in fig. 2 and 3, the vertical sections 21a of the two rear side plates 21 of the rear seat frame 2 are respectively located at two sides of the lower bracket 3, the two side walls at the rear end of the lower bracket 3 are penetrated and fixed with fixing pieces 5, the fixing pieces 5 are fixing pipes, two ends of the fixing pieces 5 respectively penetrate through fixing flanges 61 at two sides of the rear bracket 6 and are welded and fixed, the vertical sections 21a of the two rear side plates 21 respectively penetrate through the rear bracket 6 and are welded and fixed with the fixing pieces 5, and the rear end of the pedal frame 4 is welded and fixed with the vertical sections 21a of the two rear side plates 21.
As shown in fig. 4, the lower bracket 3 is in a strip shape, the cross section of the lower bracket 3 is in a 'U' -shape, the edges of the two side walls of the lower bracket 3 are provided with reinforcing flanges 32 which are turned outwards, the front end of the lower bracket 3 is provided with arc flanges 31 which are arc-shaped, two ends of each arc flange 31 are connected with the two side walls of the lower bracket 3, a positioning notch 311 is formed between each arc flange 31 and the lower bracket 3, the lower end of the front vertical pipe 1 is inserted in the positioning notch 311 and welded and fixed with the arc flanges 31, the bottom wall of the rear end of the lower bracket 3 is provided with an arc supporting part 33 which is bent upwards, and the arc supporting part 33 can wrap the fixing piece 5 and is fixed with the fixing piece 5.
As shown in fig. 7 and 5, the edges of the rear side plate 21 are provided with reinforcing flanges one 23 which are turned outwards, the middle part of the rear bracket 6 is provided with a through hole 62, the edges of the through hole 62, which are close to the fixing flanges 61, are provided with two fixing bayonets one 63, the rear side plate 21 passes through the through hole 62, and the two reinforcing flanges one 23 on the rear side plate 21 respectively pass through the two fixing bayonets one 63 and are welded. The edge of the rear bracket 6 located at the through hole 62 is provided with a support flange 64 which is bent downwards, the vertical section 21a is provided with an extension part 211 located right below the support flange 64, and the lower end of the support flange 64 is abutted against the extension part 211 and welded and fixed.
As shown in fig. 3 and 6, the rear end of the pedal frame 4 is provided with two extending sections 42 respectively located at two sides of the pedal frame 4, the inner sides of the extending sections 42 are provided with fixing bayonets two 421, the edges of the rear side plate 21 are respectively provided with a reinforcing flange one 23 which is turned outwards, the end part of the extending section 42 is abutted against the inner side of one reinforcing flange one 23 of the rear side plate 21, and the other reinforcing flange one 23 passes through the fixing bayonets two 421. The inside of the extension section 42 is also provided with a fixing recess 422, the reinforcing bead 22 on the vertical section 21a protrudes outward, and the reinforcing bead 22 is embedded in the fixing recess 422 and welded.
As shown in fig. 1, 2, 3 and 5, the connecting members are a first connecting member 7 located between the horizontal sections 21b of the two rear side plates 21 and a second connecting member 71 located between the vertical sections 21a of the two rear side plates 21, respectively, and the first connecting member 7 and the second connecting member 71 are each formed by punching a metal plate. The first connecting piece 7 and the second connecting piece 71 which are formed by stamping the metal plates have high strength, can firmly connect the two rear side plates 21, and ensure the strength of the rear seat frame 2; meanwhile, the first connecting piece 7 and the second connecting piece 71 can also be directly used for installing parts of the electric vehicle, so that the universality of the electric vehicle is improved.
The first connecting pieces 7 are provided with two, the first connecting pieces 7 are respectively fixed between the middle sections of the two horizontal sections 21b and between the end parts of the two horizontal sections 21b, the first connecting pieces 7 are bent to form at least three sections, and the two sections of the first connecting pieces 7 are welded and fixed with the two horizontal sections 21 b. The second connecting piece 71 is fixed between the adjacent upper ends of the two vertical sections 21a, two ends of the second connecting piece 71 are welded and fixed with the two vertical sections 21a respectively, and the second connecting piece 71 is bent forwards to form an arc shape. The second connecting piece 71 is provided with a mounting hole for mounting the cushion; the second connecting piece 71 can not only increase the connection strength between the upper ends of the two vertical sections 21a, but also serve as a base for mounting parts of the battery car. The fixing member 5 is a fixing tube. The lower bracket 3 is obliquely arranged, the front end of the lower bracket 3 is downward, two side walls, close to the rear end, of the lower bracket 3 are respectively provided with a fixing notch 34, the fixing notch 34 is fixedly provided with a mounting pipe 8 for mounting a pedal rotating shaft, and the inclined lower bracket 3 enables the position of the mounting pipe 8 to be higher from the ground, so that the pedal has a rotating space.
The fixing flange 61 of the rear bracket 6 and the extension 211 of the corresponding vertical section 21a are also fixed by fixing pins. The fixing pin is used for connecting the damper of the electric vehicle, and passes through the fixing flange 61 of the rear bracket 6 and the corresponding vertical section 21a and is fixed by welding, so that the fixing pin can also make the connection between the rear bracket 6 and the vertical section 21a more firm.
The lower bracket 3, the pedal frame 4 and the two rear side plates 21 forming the rear seat frame 2 are all formed by stamping metal plates, the stamping sheet metal part has higher strength relative to a steel pipe structure, and the electric vehicle frame formed by the lower bracket 3, the pedal frame 4 and the rear seat frame 2 formed by stamping metal plates has higher and more stable structural strength, so that the electric vehicle can run more safely; the lower bracket 3, the pedal frame 4 and the rear seat frame 2 which are formed by stamping can be produced in large scale, so that the production cost is reduced, and the cost of the electric vehicle frame is lower; the lower bracket 3, the pedal frame 4 and the rear side plate 21 which are formed by stamping can be formed in one step, and the frame can be formed by only fixing and assembling the components, so that the connecting points on the frame of the electric vehicle are relatively fewer, the assembling difficulty is reduced, and the assembling efficiency is improved; the areas of the lower bracket 3, the pedal frame 4 and the rear side plate 21 which are formed by stamping are larger, so that the mounting holes can be formed in different positions, and parts of the electric vehicle can be mounted by forming the mounting holes in different positions according to the design requirements of the electric vehicles of different types, namely, the electric vehicle frame with the structure can be adapted to electric vehicles with various structures, the universality is high, and the development cost of the frame is reduced.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the invention. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (7)
1. The electric bicycle frame comprises a front vertical pipe (1), a rear seat frame (2) and a bracket for connecting the front vertical pipe (1) and the rear seat frame (2), and is characterized in that the bracket comprises a lower bracket (3) and a pedal frame (4) arranged above the lower bracket (3), the lower bracket (3) and the pedal frame (4) are formed by stamping metal plates, the lower bracket (3) is in a strip shape, the lower end of the front vertical pipe (1) passes through the front end of the pedal frame (4) and abuts against the front end of the lower bracket (3), the front vertical pipe (1) is fixedly connected with the pedal frame (4) and the front vertical pipe (1) and the lower bracket (3) through welding, the rear seat frame (2) comprises two rear side plates (21) which are formed by stamping metal plates, the rear side plates (21) comprise vertical sections (21 a) and horizontal sections (21 b), the vertical sections (21 a) of the two rear side plates (21) are respectively arranged on two sides of the lower bracket (3), the two vertical side plates (21) are respectively connected with the rear side plates (21) through at least one fixing piece between the two fixing pieces (5), the rear end of the pedal frame (4) is welded and fixed with the vertical sections (21 a) of the two rear side plates (21); reinforcing ribs (22) are formed on the vertical section (21 a) and the horizontal section (21 b) of the rear side plate (21) in a stamping mode; the edges of the rear side plates (21) are provided with reinforcing flanging (23) which is turned outwards; a rear bracket (6) is further arranged between the vertical section (21 a) of the rear seat frame (2) and the fixing piece (5), the rear bracket (6) is formed by stamping a metal plate, two sides of the rear bracket (6) are respectively provided with a downward turnover fixing flanging (61), two ends of the fixing piece (5) respectively pass through the fixing flanging (61) at two sides of the rear bracket (6) and are welded and fixed, and two vertical sections (21 a) of the rear side plate (21) respectively pass through the rear bracket (6) and are welded and fixed with the fixing piece (5); the rear end of the pedal frame (4) is provided with two extending sections (42) which are respectively positioned at two sides of the pedal frame (4), the inner side of each extending section (42) is provided with a fixed bayonet II (421), the end part of each extending section (42) is abutted against the inner side of one reinforcing flanging first (23) of the rear side plate (21), and the other reinforcing flanging first (23) penetrates through the fixed bayonet II (421).
2. The electric vehicle frame according to claim 1, characterized in that the front end of the rear bracket (6) is positioned below the pedal frame (4) and is attached to the pedal frame (4) by welding.
3. The electric vehicle frame according to claim 1, characterized in that the middle part of the rear bracket (6) is provided with a through hole (62), the edges of the through hole (62) close to the fixing flanges (61) are provided with two fixing bayonets one (63), the rear side plate (21) passes through the through hole (62), and the two reinforcing flanges one (23) on the rear side plate (21) respectively pass through the two fixing bayonets one (63) and are welded.
4. The electric vehicle frame according to claim 1, characterized in that the edge of the rear bracket (6) located at the through hole (62) is provided with a supporting flange (64) bent downwards, the vertical section (21 a) is provided with an extension part (211) located right below the supporting flange (64), and the lower end of the supporting flange (64) is abutted against the extension part (211) and welded and fixed.
5. The electric vehicle frame according to any one of claims 1 to 4, characterized in that the pedal frame (4) has a support plate portion (43) bent downward near the front end, and the lower end of the support plate portion (43) abuts against the lower bracket (3) and is welded to the lower bracket (3).
6. The electric vehicle frame according to any one of claims 1 to 4, characterized in that the cross section of the lower bracket (3) is in a U shape, the front end of the lower bracket (3) is provided with an arc flanging (31) in an arc shape, two ends of the arc flanging (31) are connected with two side walls of the lower bracket (3), a positioning notch (311) is formed between the arc flanging (31) and the lower bracket (3), and the lower end of the front vertical pipe (1) is inserted into the positioning notch (311) and welded and fixed.
7. The electric vehicle frame according to claim 6, characterized in that the bottom wall of the rear end of the lower bracket (3) is provided with an upwardly bent arc support part (33), and the arc support part (33) can wrap the fixing piece (5) and be fixed with the fixing piece (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810965247.5A CN108820106B (en) | 2018-08-23 | 2018-08-23 | Electric vehicle frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810965247.5A CN108820106B (en) | 2018-08-23 | 2018-08-23 | Electric vehicle frame |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108820106A CN108820106A (en) | 2018-11-16 |
| CN108820106B true CN108820106B (en) | 2024-04-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810965247.5A Active CN108820106B (en) | 2018-08-23 | 2018-08-23 | Electric vehicle frame |
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| CN (1) | CN108820106B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109552544B (en) * | 2019-01-30 | 2023-09-08 | 台州安马达电动车有限公司 | Frame of electric vehicle |
| CN113525575A (en) * | 2021-08-24 | 2021-10-22 | 重庆高金实业股份有限公司 | Integral welding frame of load-bearing motorcycle |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102582741A (en) * | 2011-01-17 | 2012-07-18 | 本田技研工业株式会社 | Saddle type vehicle |
| CN204452725U (en) * | 2015-03-16 | 2015-07-08 | 绿源电动车(山东)有限公司 | Electromobile frame |
| JP2017065438A (en) * | 2015-09-30 | 2017-04-06 | 本田技研工業株式会社 | Vehicle body frame structure for motorcycle |
| CN206766239U (en) * | 2017-05-10 | 2017-12-19 | 济南机甲电动车有限公司 | A kind of board-like electric car skeleton |
| CN108025788A (en) * | 2015-09-08 | 2018-05-11 | 本田技研工业株式会社 | The automobile-used vehicle body frame of two-wheel |
| CN208602625U (en) * | 2018-08-23 | 2019-03-15 | 台州市黄岩王斌摩托车附件厂 | A kind of electromobile frame |
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2018
- 2018-08-23 CN CN201810965247.5A patent/CN108820106B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102582741A (en) * | 2011-01-17 | 2012-07-18 | 本田技研工业株式会社 | Saddle type vehicle |
| CN204452725U (en) * | 2015-03-16 | 2015-07-08 | 绿源电动车(山东)有限公司 | Electromobile frame |
| CN108025788A (en) * | 2015-09-08 | 2018-05-11 | 本田技研工业株式会社 | The automobile-used vehicle body frame of two-wheel |
| JP2017065438A (en) * | 2015-09-30 | 2017-04-06 | 本田技研工業株式会社 | Vehicle body frame structure for motorcycle |
| CN206766239U (en) * | 2017-05-10 | 2017-12-19 | 济南机甲电动车有限公司 | A kind of board-like electric car skeleton |
| CN208602625U (en) * | 2018-08-23 | 2019-03-15 | 台州市黄岩王斌摩托车附件厂 | A kind of electromobile frame |
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| Publication number | Publication date |
|---|---|
| CN108820106A (en) | 2018-11-16 |
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