CN211592820U - Electric vehicle frame - Google Patents
Electric vehicle frame Download PDFInfo
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- CN211592820U CN211592820U CN202020077657.9U CN202020077657U CN211592820U CN 211592820 U CN211592820 U CN 211592820U CN 202020077657 U CN202020077657 U CN 202020077657U CN 211592820 U CN211592820 U CN 211592820U
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Abstract
The utility model discloses an electric vehicle frame, the front part of its frame main part is fixed with the head pipe, the head pipe links to each other with the frame main part through strengthening the connecting piece, strengthening the connecting piece including fixing first connecting plate and the second connecting plate in the frame main part, first connecting plate and second connecting plate coplane, and first connecting plate has seted up first connecting groove towards one side middle part of second connecting plate, the second connecting plate has seted up the second spread groove towards one side middle part of first connecting plate, first connecting groove and second spread groove butt joint form the mounting hole that supplies the head union coupling; the first connecting groove side wall extends downwards to form a first reinforcing connecting sheet attached to the outer wall of the head pipe, the second connecting groove side wall extends upwards to form a second reinforcing connecting sheet attached to the outer wall of the head pipe, and the head pipe penetrates through the mounting hole and is fixedly connected with the first reinforcing connecting sheet and the second reinforcing connecting sheet. The utility model discloses an electric motor car frame has the effect that can effectively improve the installation fastness of head pipe.
Description
Technical Field
The utility model relates to an electric motor car accessory field, it is very much, relate to an electric motor car frame.
Background
With the increasing of automobile ownership year by year, environmental and energy problems caused by the emission of automobile exhaust gas and excessive consumption of petroleum resources become more serious, and the control of automobile exhaust gas pollution and alternative energy of petroleum become the problems to be solved urgently; therefore, in recent years, the electric vehicle frame, which is the most promising green vehicle for electric vehicles, is an important component of the electric vehicle as the framework of the electric vehicle, and is mainly used for mounting various parts of the electric vehicle.
Chinese patent No. CN206466099U discloses an electric vehicle frame, which comprises a main beam tube, a head tube fixed at the upper end of the main beam tube, a rear frame and a battery box frame arranged between the main beam tube and the rear frame, wherein the rear frame comprises a seat tube, an upper support frame and a lower support frame arranged below the upper support frame, the seat tube is vertically arranged on a connecting frame positioned at the rear part of the battery box frame, one end of the upper support frame is fixed at the upper part of the seat tube, the other end of the upper support frame extends towards the rear part of the vehicle frame, one end of the lower support frame is fixed at the lower part of the seat tube, the other end of the lower support frame is connected to the upper support frame, a longitudinal support is arranged between the upper support frame and the lower support frame, the rear part of the battery box frame is connected with a bottom fork through a bottom fork support, double support supports are respectively arranged below the rear parts at, and a damping part is arranged between the upper damping lifting lug and the lower damping lifting lug.
The electric vehicle frame is simple and light in structure. However, because the head pipe is directly fixed on the main beam pipe, a certain included angle is formed between the head pipe and the main beam pipe, and the welding fixing surface between the head pipe and the main beam pipe is the end surface of the main beam end, the welding bead is difficult to form, and because the welding fixing surface is small, the welding difficulty of the head pipe is increased, and the installation efficiency and the connection strength of the head pipe are influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an electric motor car frame, its head pipe simple to operate, joint strength are better, can effectively improve the installation fastness of head pipe.
The above object of the present invention can be achieved by the following technical solutions:
an electric vehicle frame comprises a frame main body, wherein a head pipe is fixed at the front part of the frame main body and is connected with the frame main body through a reinforced connecting piece, the reinforced connecting piece comprises a first connecting plate and a second connecting plate which are fixed on the frame main body, the first connecting plate and the second connecting plate are coplanar, a first connecting groove is formed in the middle of one side, facing the second connecting plate, of the first connecting plate, a second connecting groove is formed in the middle of one side, facing the first connecting plate, of the second connecting plate, and the first connecting groove and the second connecting groove are in butt joint to form a mounting hole for connecting the head pipe;
the first connecting groove side wall extends downwards to form a first reinforcing connecting piece attached to the outer wall of the head pipe, the second connecting groove side wall extends upwards to form a second reinforcing connecting piece attached to the outer wall of the head pipe, and the head pipe penetrates through the mounting hole and is fixedly connected with the first reinforcing connecting piece and the second reinforcing connecting piece.
Through adopting above-mentioned technical scheme, during the installation, fix first connecting plate and second connecting plate at frame main part front end, first spread groove and second spread groove butt joint this moment form the mounting hole, insert the mounting hole with the head pipe to make first enhancement connection piece and second enhancement connection piece all laminate at the head pipe outer wall, then with first enhancement connection piece, second enhancement connection piece respectively welded fastening can on the head pipe. The arrangement of the first reinforced connecting sheet and the second reinforced connecting sheet increases the contact area of the head pipe with the first connecting plate and the second connecting plate, so that the connection stability of the head pipe can be effectively improved, and the installation of the head pipe is facilitated.
The present invention may be further configured in a preferred embodiment as: one end, far away from the first connecting plate, of the second connecting plate is bent downwards to form a limiting section, a limiting groove attached to the outer wall of the head pipe is formed in the end face of the limiting section, and the limiting groove is an arc-shaped groove matched with the head pipe.
Through adopting above-mentioned technical scheme, the head pipe is pegged graft in the mounting hole, and the head pipe bottom passes the one end outer wall of mounting hole and contradicts with the spacing groove, and setting up of spacing section and spacing groove is used for spacing the head pipe, reduces under the electric motor car user state, and the skew of angle in the front and back direction takes place for the head pipe, and it has further improved the structural stability of head pipe installation state.
The present invention may be further configured in a preferred embodiment as: and a connecting lug is further arranged on the outer side of one end, far away from the mounting hole, of the second reinforcing connecting sheet.
Through adopting above-mentioned technical scheme, the engaging lug is used for fixed locomotive safety cover when the electric motor car is assembled, and such mode has made things convenient for the installation of locomotive safety cover.
The present invention may be further configured in a preferred embodiment as: the head pipe is welded and fixed with the first reinforcing connecting sheet and the second reinforcing connecting sheet;
the first connecting groove and the first reinforcing connecting sheet are in arc transition, and a first welding seam is formed between the notch of the first connecting groove and the head pipe;
and the second connecting groove and the second reinforcing connecting sheet are in circular arc transition, and a second welding seam is formed between the notch of the first connecting groove and the head pipe.
By adopting the technical scheme, the first welding line and the second welding line are arranged to facilitate welding between the mounting hole and the head pipe, the welding area between the head pipe and the mounting hole is increased, and meanwhile, the phenomenon that welding materials are protruded out of the mounting hole to affect the appearance is reduced.
The present invention may be further configured in a preferred embodiment as: the frame main body comprises two main beam pipes which are symmetrically arranged, the tail ends of the two main beam pipes in the length direction are fixedly connected with each other, the two main beam pipes form the outer edge of the frame main body, the two ends of the two main beam pipes in the length direction are respectively bent upwards to form a frame front end and a frame rear end, and a head pipe is fixed on the frame front end;
the damping frame is characterized in that a plurality of stiffening beams are fixed between the two main beam pipes, a seat barrel support is fixed on the main beam pipe at the rear end of the frame, a bottom fork used for connecting a rear wheel is connected to the lower portion of the main beam pipe at the rear end of the frame through a bottom fork support, double-support supports are respectively arranged below the rear portions of the two sides of the bottom fork, lower damping lugs are respectively arranged above the rear portions of the two sides of the bottom fork, upper damping lugs corresponding to the lower damping lugs are arranged on the seat barrel support, and damping pieces are arranged between the upper damping lugs and the lower damping lugs.
Through adopting above-mentioned technical scheme, the setting of stiffening beam is used for improving the bulk strength of frame main part, and the chain stay is used for installing the electric motor car rear wheel, and the setting of upper and lower shock attenuation lug is used for making things convenient for the installation of shock attenuation piece.
The present invention may be further configured in a preferred embodiment as: the seat barrel support comprises base connecting pieces fixed on the two main beam pipes, a supporting pipe is vertically fixed above the base connecting pieces, a horizontally arranged U-shaped seat pipe is fixed at the top of the supporting pipe, the seat pipe extends to one side back to the head pipe, and one end of the seat pipe, which is far away from the head pipe, is bent downwards and is respectively fixedly connected with the main beam pipes on the two sides; and a motor placing area is formed between the seat tube and the stay tube.
To sum up, the utility model discloses a following at least one useful technological effect:
1. the head pipe is connected with the frame main body through the reinforced connecting piece, and has the advantages of stable connection and convenient installation;
2. the first connecting plate and the second connecting plate jointly realize the stable connection of the butt pipe through the first reinforced connecting sheet, the second reinforced connecting sheet and the limiting section, and the butt pipe is simple in structure and convenient to produce and process;
3. the frame main part comprises two girder pipes and a plurality of stiffening beam, and integrated into one piece's girder pipe has the convenient advantage of processing, and the fixed seat bucket support in frame rear end sets up the motor in the seat bucket support and places the district, and it has practiced thrift the space of electric motor car, and the whole increase of electric motor car frame is light.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is an explosion structure diagram for embodying the reinforced connector of the present invention.
Fig. 3 is a schematic view of a partial structure for embodying the reinforced connector of the present invention.
In the figure, 1, a main beam pipe; 11. a reinforcing beam; 2. a head pipe; 3. reinforcing the connecting piece; 31. a first connecting plate; 311. a first connecting groove; 3111. a first weld; 312. a first reinforcing connecting sheet; 32. a second connecting plate; 321. a second connecting groove; 3211. a second weld; 322. a second reinforcing connecting sheet; 323. a limiting section; 324. a limiting groove; 33. mounting holes; 34. connecting lugs; 4. a seat barrel bracket; 41. a base connector; 42. supporting a pipe; 43. a seat tube; 44. an upper shock absorption lifting lug; 5. a bottom fork; 51. a bottom fork support; 52. a double-support bracket; 53. a lower shock-absorbing lifting lug; 6. a motor placement area.
Detailed Description
The present invention will now be described in detail with reference to the accompanying drawings. This figure is a simplified schematic diagram, and merely illustrates the basic structure of the present invention in a schematic manner, and therefore it shows only the constitution related to the present invention.
Referring to fig. 1 to 3, for the utility model discloses an electric vehicle frame, including the frame main part, the frame main part includes the girder pipe 1 that two symmetries set up, and two girder pipe 1 length direction's terminal mutual welded fastening are connected, and two girder pipe 1 form the outside of frame main part, and two girder pipe 1 length direction's both ends upwards buckle respectively and form frame front end and frame rear end. The connection part of the two main beam pipes is in arc transition to form an arc end part.
A plurality of stiffening beams 11 for improving the overall strength of the frame body are welded between the two main beam pipes 1. The axial direction of the reinforcement beam 11 is parallel to the width direction of the frame body. A seat barrel support 4 is fixed on the main beam pipe 1 at the rear end of the frame, the seat barrel support 4 comprises a base connecting piece 41 fixed on the two main beam pipes 1 in a welding mode, a supporting pipe 42 is vertically fixed above the base connecting piece 41, a horizontally arranged U-shaped seat pipe 43 is fixed at the top of the supporting pipe 42, the seat pipe 43 extends towards one side away from the head pipe 2, and one end, away from the head pipe 2, of the seat pipe 43 is bent downwards and is respectively fixed with the main beam pipes 1 at the two sides in a welding mode; the seat tube 43 and the stay tube 42 form a motor placing area 6 therebetween.
The lower side of a main beam pipe 1 at the rear end of the frame is connected with a bottom fork 5 used for connecting a rear wheel through a bottom fork support 51, the bottom fork support 51 is welded and fixed below a frame main body, the bottom fork 5 and the bottom fork support 51 are fixed through bolts, two support brackets 52 are respectively arranged below the rear parts of two sides of the bottom fork 5, lower damping lugs 53 are respectively arranged above the rear parts of two sides of the bottom fork 5, an upper damping lug 44 corresponding to the lower damping lug 53 is arranged on a seat barrel support 4, and a damping piece is arranged between the upper damping lug 44 and the lower damping lug 53. The bottom fork support 51, the bottom fork 5 and the damping piece are all the prior art and will not be described repeatedly.
The front end of the frame main body is fixed with a head pipe 2 through a reinforced connecting piece 3. The reinforcing connecting member 3 includes a first connecting plate 31 and a second connecting plate 32 welded and fixed to the frame body. The first connecting plate 31 and the second connecting plate 32 are coplanar, a first connecting groove 311 is formed in the middle of one side of the first connecting plate 31 facing the second connecting plate 32, a second connecting groove 321 is formed in the middle of one side of the second connecting plate 32 facing the first connecting plate 31, and the first connecting groove 311 and the second connecting groove 321 are butted to form a mounting hole 33 for connecting the head pipe 2.
The side wall of the first connecting groove 311 extends downwards to form a first reinforcing connecting piece 312 attached to the outer wall of the head pipe 2, and the side wall of the second connecting groove 321 extends upwards to form a second reinforcing connecting piece 322 attached to the outer wall of the head pipe 2. The head pipe 2 passes through the mounting hole 33 and is welded and fixed to the first reinforcing connecting piece 312 and the second reinforcing connecting piece 322. The edges of the first reinforcing connecting piece 312 and the second reinforcing connecting piece 322 contacting the head pipe 2 can be welded to realize stable connection of the head pipe 2. The first connecting groove 311 and the first reinforcing connecting piece 312 are in arc transition, and a first welding seam 3111 is formed between the notch of the first connecting groove 311 and the head pipe 2; the second connecting groove 321 and the second reinforcing connecting piece 322 are in arc transition, and a second welding line 3211 is formed between the notch of the first connecting groove 311 and the head pipe 2. The first welding seam 3111 and the second welding seam 3211 facilitate welding between the mounting hole 33 and the head pipe 2, increase the welding area between the head pipe 2 and the mounting hole 33, and reduce the occurrence of the phenomenon that the welding flux protrudes from the mounting hole 33 to affect the appearance.
In order to further improve the connection stability of the head pipe 2, one end of the second connecting plate 32, which is far away from the first connecting plate 31, is bent downwards to form a limiting section 323, a limiting groove 324, which is attached to the outer wall of the head pipe 2, is formed in the end surface of the limiting section 323, and the limiting groove 324 is an arc-shaped groove matched with the head pipe 2. Head pipe 2 pegs graft in mounting hole 33, and the one end outer wall that mounting hole 33 was passed to head pipe 2 bottom contradicts with spacing groove 324, and setting up of spacing section 323 and spacing groove 324 is used for spacing to head pipe 2, reduces under the electric motor car user state, and head pipe 2 takes place the possibility of the skew of preceding back upper angle, supports head pipe 2 bottom simultaneously, increases head pipe 2's bearing capacity, further improves head pipe 2 installation state's structural stability.
In order to facilitate the assembly of the electric vehicle head protective cover, a connecting lug 34 is welded and fixed on the outer side of one end, far away from the mounting hole 33, of the second reinforcing connecting sheet 322. The headstock safety cover can be fixed with the connecting lug 34 through bolts, and the headstock safety cover is in the prior art and is not described in a tired manner.
During installation, the first connecting plate 31 and the second connecting plate 32 are welded and fixed at the front end of the frame body, and at the moment, the first connecting groove 311 and the second connecting groove 321 are butted to form the installation hole 33. The head pipe 2 is inserted into the mounting hole 33, the first reinforcing connecting piece 312 and the second reinforcing connecting piece 322 are attached to the outer wall of the head pipe 2, and then the first reinforcing connecting piece 312 and the second reinforcing connecting piece 322 are respectively welded and fixed with the head pipe 2.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (6)
1. The utility model provides an electric motor car frame, includes the frame main part, the front portion of frame main part is fixed with head pipe, its characterized in that: the head pipe is connected with the frame main body through a reinforced connecting piece, the reinforced connecting piece comprises a first connecting plate and a second connecting plate which are fixed on the frame main body, the first connecting plate and the second connecting plate are coplanar, a first connecting groove is formed in the middle of one side, facing the second connecting plate, of the first connecting plate, a second connecting groove is formed in the middle of one side, facing the first connecting plate, of the second connecting plate, and the first connecting groove and the second connecting groove are in butt joint to form a mounting hole for connecting the head pipe;
the first connecting groove side wall extends downwards to form a first reinforcing connecting piece attached to the outer wall of the head pipe, the second connecting groove side wall extends upwards to form a second reinforcing connecting piece attached to the outer wall of the head pipe, and the head pipe penetrates through the mounting hole and is fixedly connected with the first reinforcing connecting piece and the second reinforcing connecting piece.
2. The electric vehicle frame of claim 1, wherein: one end, far away from the first connecting plate, of the second connecting plate is bent downwards to form a limiting section, a limiting groove attached to the outer wall of the head pipe is formed in the end face of the limiting section, and the limiting groove is an arc-shaped groove matched with the head pipe.
3. The electric vehicle frame of claim 1, wherein: and a connecting lug is further arranged on the outer side of one end, far away from the mounting hole, of the second reinforcing connecting sheet.
4. The electric vehicle frame as claimed in any one of claims 1 to 3, wherein: the head pipe is welded and fixed with the first reinforcing connecting sheet and the second reinforcing connecting sheet;
the first connecting groove and the first reinforcing connecting sheet are in arc transition, and a first welding seam is formed between the notch of the first connecting groove and the head pipe;
and the second connecting groove and the second reinforcing connecting sheet are in circular arc transition, and a second welding seam is formed between the notch of the first connecting groove and the head pipe.
5. The electric vehicle frame of claim 1, wherein: the frame main body comprises two main beam pipes which are symmetrically arranged, the tail ends of the two main beam pipes in the length direction are fixedly connected with each other, the two main beam pipes form the outer edge of the frame main body, the two ends of the two main beam pipes in the length direction are respectively bent upwards to form a frame front end and a frame rear end, and a head pipe is fixed on the frame front end;
the damping frame is characterized in that a plurality of stiffening beams are fixed between the two main beam pipes, a seat barrel support is fixed on the main beam pipe at the rear end of the frame, a bottom fork used for connecting a rear wheel is connected to the lower portion of the main beam pipe at the rear end of the frame through a bottom fork support, double-support supports are respectively arranged below the rear portions of the two sides of the bottom fork, lower damping lugs are respectively arranged above the rear portions of the two sides of the bottom fork, upper damping lugs corresponding to the lower damping lugs are arranged on the seat barrel support, and damping pieces are arranged between the upper damping lugs and the lower damping lugs.
6. The electric vehicle frame as claimed in claim 5, characterized in that: the seat barrel support comprises base connecting pieces fixed on the two main beam pipes, a supporting pipe is vertically fixed above the base connecting pieces, a horizontally arranged U-shaped seat pipe is fixed at the top of the supporting pipe, the seat pipe extends to one side back to the head pipe, and one end of the seat pipe, which is far away from the head pipe, is bent downwards and is respectively fixedly connected with the main beam pipes on the two sides; and a motor placing area is formed between the seat tube and the stay tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020077657.9U CN211592820U (en) | 2020-01-14 | 2020-01-14 | Electric vehicle frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020077657.9U CN211592820U (en) | 2020-01-14 | 2020-01-14 | Electric vehicle frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211592820U true CN211592820U (en) | 2020-09-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020077657.9U Active CN211592820U (en) | 2020-01-14 | 2020-01-14 | Electric vehicle frame |
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| Country | Link |
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| CN (1) | CN211592820U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113511294A (en) * | 2021-07-14 | 2021-10-19 | 天津爱玛车业科技有限公司 | Electric vehicle frame and electric vehicle |
-
2020
- 2020-01-14 CN CN202020077657.9U patent/CN211592820U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113511294A (en) * | 2021-07-14 | 2021-10-19 | 天津爱玛车业科技有限公司 | Electric vehicle frame and electric vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210126 Address after: 311100 Room 301, 108 Xincheng Road, Nanyuan street, Yuhang District, Hangzhou City, Zhejiang Province Patentee after: HANGZHOU QINGQI TECHNOLOGY Co.,Ltd. Address before: 213000 No.50, Yanyang Road, Tongjiang Industrial Park, Menghe Town, Xinbei District, Changzhou City, Jiangsu Province Patentee before: Fujitec electric (Jiangsu) Co.,Ltd. |
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| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 311199 Room 301, No. 108, Xincheng Road, Nanyuan street, Linping District, Hangzhou City, Zhejiang Province Patentee after: HANGZHOU QINGQI SCIENCE AND TECHNOLOGY Co.,Ltd. Address before: 311100 Room 301, 108 Xincheng Road, Nanyuan street, Yuhang District, Hangzhou City, Zhejiang Province Patentee before: HANGZHOU QINGQI SCIENCE AND TECHNOLOGY Co.,Ltd. |