CN209904955U - Lithium electric vehicle - Google Patents
Lithium electric vehicle Download PDFInfo
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- CN209904955U CN209904955U CN201920364004.6U CN201920364004U CN209904955U CN 209904955 U CN209904955 U CN 209904955U CN 201920364004 U CN201920364004 U CN 201920364004U CN 209904955 U CN209904955 U CN 209904955U
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- damping
- mud
- frame
- fork
- box
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Abstract
A lithium electric vehicle is provided with a vehicle frame, wherein a rear fork is arranged at the rear part of the vehicle frame, the rear fork is provided with two fork legs extending backwards, and the fork legs are provided with a wheel fixing part, a mud plate fixing part and a damping connecting part; the single-arm mud plate comprises a mud plate and a mud plate connecting arm fixedly arranged on one side of the mud plate, and the mud plate connecting arm is fixedly arranged on the mud plate fixing part through bolts. Through structural improvement, spare parts and assembly processes of the lithium electric vehicle are reduced, the light-weight design of the lithium electric vehicle can be realized at lower cost, and the fashionable concept design of the lithium electric vehicle is facilitated.
Description
Technical Field
The utility model relates to a lithium electric vehicle.
Background
The electric bicycle is a common vehicle for people to go out at present, and along with the progress of battery technology, the traditional nickel-hydrogen battery is gradually replaced by a lithium battery, so that the whole weight of the electric car is greatly reduced, and the charging and the battery replacement are also convenient. The main structure of the existing lithium electric vehicle still adopts the traditional electric bicycle structure, the structure is complex, the weight is large, and the light weight design of the lithium electric vehicle has certain adverse effect.
SUMMERY OF THE UTILITY MODEL
In view of the above circumstances, in order to solve the problems of the above-mentioned technologies, the present invention provides a lithium electric vehicle, which can reduce the parts and assembly processes of the lithium electric vehicle through structural improvement, can realize the lightweight design of the lithium electric vehicle with lower cost, and simultaneously is also favorable for the stylized conceptual design of the lithium electric vehicle.
According to the utility model discloses a lithium electric vehicle is provided with a vehicle frame, the rear portion of the vehicle frame is provided with a rear fork, the rear fork is provided with two fork legs extending backwards, and the fork legs are provided with a wheel fixing part, a mud plate fixing part and a damping connecting part; the single-arm mud plate comprises a mud plate and a mud plate connecting arm fixedly arranged on one side of the mud plate, and the mud plate connecting arm is fixedly arranged on the mud plate fixing part through bolts.
Preferably, the mud board connecting arm is of a plate-shaped structure, one side edge of the plate-shaped structure is connected to the side surface of the mud board through a screw or is of an integrated structure with the mud board, and the other side edge opposite to the side edge is fixedly arranged on the mud board fixing part through a bolt; the plate-shaped structure is provided with one or more bending edges which enable the mud plate connecting arms to protrude outwards.
Preferably, the wheel fixing part is arranged at the rear part of the fork leg, and a central shaft of the rear wheel is arranged in an installation groove arranged on the wheel fixing part.
Preferably, the mud board fixing part is arranged at the rear upper part of the fork leg, and the shock absorption connecting part is arranged at the front upper part of the fork leg.
Preferably, the frame comprises a rear fork, a bottom frame, a front axle and a saddle support frame, two upper frames are connected between the front axle and the saddle support frame, the front ends of the two upper frames are respectively and fixedly connected with the front axle, the rear ends of the upper frames are respectively and fixedly connected with the saddle support frame, and the tail ends of the upper frames are respectively connected with two fork legs of the rear fork through damping devices.
Preferably, the frame is of welded connection integral construction.
Preferably, the damping device comprises a damping connecting rod, a damping spring and a damping box, one end of the damping connecting rod extends into a guide moving groove arranged in the damping box, and the other end of the damping connecting rod is fixedly arranged on the damping connecting part; the shock absorption connecting part is of a sheet structure, a groove is formed in the bottom of the shock absorption connecting rod, and the shock absorption connecting part extends into the groove and is fixed through a bolt.
Preferably, an upper limiting piece and a lower limiting piece are respectively arranged on the damping box and the damping connecting rod, and the damping spring is sleeved on the damping box and the damping connecting rod and is positioned between the upper limiting piece and the lower limiting piece; the top of the shock absorption box is connected with a threaded hole formed in the tail end of the upper frame through an external thread, and concave-convex adjusting lines used for rotating the shock absorption box to adjust the relative position of the shock absorption box and the upper frame so as to adjust the length of the shock absorption device are arranged on the upper limiting piece.
Preferably, a middle frame is further arranged between the upper frame and the underframe, the front end of the middle frame is fixedly connected with the front axle, the rear end of the middle frame is fixedly connected with the saddle supporting frame, and the two upper frames are respectively positioned on two sides of the middle frame.
Preferably, the middle frame is connected with a battery box, a lithium battery is arranged in the battery box, and a battery box cover capable of being opened and closed is arranged above the battery box.
Preferably, the distance between the two upper frames is greater than the width of the battery box and the battery box cover thereof.
After the technology provided by the utility model, according to the utility model discloses the lithium trolley-bus has following beneficial effect:
1) through the design of single armed mud board, the fixed mode of traditional mud board relatively has reduced the use of spare part, has greatly simplified the assembly process of mud board, only needs during the installation with the single armed mud board stretch into between the tail end of two upper cradles and between two fork feet in back wheel top, then with the mud board linking arm fix on the mud board fixed part can.
2) The plate-shaped structure of the mud plate connecting arm is particularly provided with the bending edge, so that the mud plate connecting arm protrudes outwards, on one hand, the mud plate is convenient to be positioned above the wheel and connected with the mud plate fixing part positioned on the side face of the wheel, on the other hand, the structural strength and the supporting capacity of the mud plate connecting arm are increased, and only a single arm is needed to support and fix the whole mud plate, thereby facilitating the disassembly and assembly.
3) The connection between the damping device and the rear fork is very simple and convenient through the design of the damping open slot, and the damping connecting part is inserted into the open slot of the damping connecting rod and fixed during installation; simultaneously, through the slotted structure, the impact between the damping connecting part and the damping connecting rod can not cause the deviation of the damping connecting part and the damping connecting rod, and the connection is ensured to be effective and reliable.
4) The middle frame and the battery box are arranged, so that the batteries can be stored and lifted up and down, and the operation is convenient; meanwhile, the mounting parts of the battery box are reduced, and the mounting and maintenance process is simplified.
Drawings
Fig. 1 shows a lithium electric vehicle structure of the present invention;
fig. 2 shows a lithium electric vehicle damping connecting rod structure of the present invention;
fig. 3 shows the lithium battery car spatial structure of the utility model.
Description of reference numerals:
shock-absorbing connecting rod 41 for wheel fixing part 21 of frame 1
Rear fork 10 mounting slot 210 slot 410
Lower limiting piece 419 of mud board fixing part 22 of fork leg 101
Damping spring 42 of chassis 11 damping connection part 23
Limiting piece 439 on mud plate 30 of saddle support 13
Detailed Description
The present invention will be described in further detail with reference to embodiments shown in the drawings. The described embodiments include various specific details to aid understanding, but they are to be construed as merely illustrative, and not restrictive of all embodiments of the invention. Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. Meanwhile, in order to make the description more clear and concise, a detailed description of functions and configurations well known in the art will be omitted.
As shown in fig. 1 to 3, the lithium electric vehicle is provided with a vehicle frame 1, a rear fork 10 is arranged at the rear part of the vehicle frame 1, the rear fork 10 is provided with two fork legs 101 extending backwards, and a wheel fixing part 21, a mud plate fixing part 22 and a damping connecting part 23 are arranged on the fork legs 101; still include single armed mud board 3, single armed mud board 3 include mud board 30 and fixed set up in mud board connecting arm 31 of mud board 30 one side, mud board connecting arm 31 passes through the bolt fastening and sets up on the mud board fixed part 22. Through the design of single armed mud board, the fixed mode of traditional mud board relatively has reduced the use of spare part, has greatly simplified the assembly process of mud board, only needs during the installation with the single armed mud board stretch into between the tail end of two upper cradles and between two fork feet in back wheel top, then with the mud board linking arm fix on the mud board fixed part can.
The mud plate connecting arm 31 is of a plate-shaped structure, one side edge of the plate-shaped structure is connected to the side surface of the mud plate 30 through a screw or is of an integrated structure with the mud plate 30, and the other side edge opposite to the side edge is fixedly arranged on the mud plate fixing part 22 through a bolt; the plate-like structure is provided with one or more bending edges 310 which enable the mud board connecting arms 31 to protrude outwards. The plate-shaped structure of the mud plate connecting arm is particularly provided with the bending edge, so that the mud plate connecting arm protrudes outwards, on one hand, the mud plate is convenient to be positioned above the wheel and connected with the mud plate fixing part positioned on the side face of the wheel, on the other hand, the structural strength and the supporting capacity of the mud plate connecting arm are increased, and only a single arm is needed to support and fix the whole mud plate, thereby facilitating the disassembly and assembly.
The wheel fixing portion 21 is provided at the rear portion of the fork 101, and the center axis of the rear wheel is mounted in a mounting groove 210 provided in the wheel fixing portion 21.
The mud board fixing part 22 is arranged at the rear upper part of the fork leg 101, and the shock absorption connecting part 23 is arranged at the front upper part of the fork leg 101.
The bicycle frame 1 comprises a rear fork 10, a bottom frame 11, a front axle 12 and a saddle support frame 13, wherein two upper frames 14 are connected between the front axle 12 and the saddle support frame 13, the front ends of the two upper frames 14 are fixedly connected with the front axle 12 respectively, the rear ends of the upper frames 14 are fixedly connected with the saddle support frame 13 respectively, and the tail ends of the upper frames 14 are connected with two fork legs 101 of the rear fork 10 respectively through a damping device.
The frame 1 is of an integral structure connected by welding.
The damping device comprises a damping connecting rod 41, a damping spring 42 and a damping box 43, one end of the damping connecting rod 41 extends into a guide moving groove arranged in the damping box 43, and the other end of the damping connecting rod 41 is fixedly arranged on the damping connecting part 23; the shock absorption connecting part 23 is of a sheet structure, the bottom of the shock absorption connecting rod 41 is provided with a groove 410, and the shock absorption connecting part 23 extends into the groove 410 and is fixed through bolts. The connection between the damping device and the rear fork is very simple and convenient through the design of the damping open slot, and the damping connecting part is inserted into the open slot of the damping connecting rod and fixed during installation; simultaneously, through the slotted structure, the impact between the damping connecting part and the damping connecting rod can not cause the deviation of the damping connecting part and the damping connecting rod, and the connection is ensured to be effective and reliable.
An upper limiting member 439 and a lower limiting member 419 are respectively arranged on the shock absorption box 43 and the shock absorption connecting rod 41, and the shock absorption spring 42 is sleeved on the shock absorption box 43 and the shock absorption connecting rod 41 and is positioned between the upper limiting member 439 and the lower limiting member 419; the top of the damping box 43 is connected to a threaded hole formed in the tail end of the upper frame 14 through an external thread, and the upper limiting member 439 is provided with a concave-convex adjusting thread for rotating the damping box 43 to adjust the relative position of the damping box 43 and the upper frame 14 so as to adjust the length of the damping device.
A middle frame 15 is further arranged between the upper frame 14 and the bottom frame 11, the front end of the middle frame 15 is fixedly connected with the front axle 12, the rear end of the middle frame 15 is fixedly connected with the saddle supporting frame 13, and the two upper frames 14 are respectively located on two sides of the middle frame 15.
The middle frame 15 is connected with a battery box 8, a lithium battery is arranged in the battery box 8, and a battery box cover 80 capable of being opened and closed is arranged above the battery box 8.
The distance between the two upper frames 14 is greater than the width of the battery box 8 and its battery box cover 80. Through the arrangement of the middle frame and the battery box, the battery can be stored and lifted up and down, so that the operation is convenient; meanwhile, the mounting parts of the battery box are reduced, and the mounting and maintenance process is simplified.
The terms "upper", "lower" or "above", "below" or the like are used herein in a relative relationship with respect to a normal use in a placed state, i.e., a positional relationship as generally shown in the drawings of the present application. When the placement state changes, for example, when the placement state is turned over, the corresponding positional relationship should be changed accordingly to understand or implement the technical solution of the present application.
Claims (10)
1. The lithium electric vehicle is characterized by being provided with a vehicle frame (1), wherein a rear fork (10) is arranged at the rear part of the vehicle frame (1), the rear fork (10) is provided with two fork legs (101) extending backwards, and the fork legs (101) are provided with a wheel fixing part (21), a mud plate fixing part (22) and a damping connecting part (23); still include single armed mud board (3), single armed mud board (3) include mud board (30) and fixed set up in mud board linking arm (31) of mud board (30) one side, mud board linking arm (31) pass through the bolt fastening and set up on mud board fixed part (22).
2. The lithium battery car according to claim 1, wherein the mud plate connecting arm (31) is of a plate-shaped structure, one side edge of the plate-shaped structure is connected to the side surface of the mud plate (30) through a screw or is of an integrated structure with the mud plate (30), and the other side edge opposite to the side edge is fixedly arranged on the mud plate fixing part (22) through a bolt; the plate-shaped structure is provided with one or more bending edges (310) which enable the mud plate connecting arms (31) to protrude outwards.
3. A lithium-ion battery car according to claim 1 or 2, characterized in that the wheel-securing part (21) is arranged at the rear of the fork foot (101), and the central axis of the rear wheel is mounted in a mounting groove (210) arranged in the wheel-securing part (21).
4. The lithium battery car according to claim 1 or 2, wherein the fender fixing portion (22) is arranged at the rear upper portion of the fork leg (101), and the shock absorption connecting portion (23) is arranged at the front upper portion of the fork leg (101).
5. The lithium battery car according to claim 1 or 2, wherein the car frame (1) comprises a rear fork (10), a chassis (11), a front axle (12) and a saddle support frame (13), two upper frames (14) are connected between the front axle (12) and the saddle support frame (13), the front ends of the two upper frames (14) are respectively and fixedly connected with the front axle (12), the rear ends of the upper frames (14) are respectively and fixedly connected with the saddle support frame (13), and the tail ends of the upper frames (14) are respectively connected with two fork legs (101) of the rear fork (10) through a damping device.
6. The lithium battery car according to claim 5, wherein the damping device comprises a damping connecting rod (41), a damping spring (42) and a damping box (43), one end of the damping connecting rod (41) extends into a guide moving groove arranged in the damping box (43), and the other end of the damping connecting rod (41) is fixedly arranged on the damping connecting part (23); the shock absorption connecting portion (23) are of a sheet structure, a groove (410) is formed in the bottom of the shock absorption connecting rod (41), and the shock absorption connecting portion (23) stretches into the groove (410) and is fixed through bolts.
7. The lithium battery car according to claim 6, wherein the damping box (43) and the damping connecting rod (41) are respectively provided with an upper limiting member (439) and a lower limiting member (419), and the damping spring (42) is sleeved on the damping box (43) and the damping connecting rod (41) and is located between the upper limiting member (439) and the lower limiting member (419); the top of the shock absorption box (43) is connected into a threaded hole arranged in the tail end of the upper frame (14) through an external thread, and the upper limiting piece (439) is provided with a concave-convex adjusting line used for rotating the shock absorption box (43) to adjust the relative position of the shock absorption box (43) and the upper frame (14) so as to adjust the length of the shock absorption device.
8. The lithium battery car according to claim 5, wherein a middle frame (15) is further arranged between the upper frame (14) and the bottom frame (11), the front end of the middle frame (15) is fixedly connected with the front axle (12), the rear end of the middle frame (15) is fixedly connected with the car seat support frame (13), and the two upper frames (14) are respectively located on two sides of the middle frame (15).
9. The lithium battery car according to claim 8, wherein a battery box (8) is connected to the middle frame (15), a lithium battery is arranged in the battery box (8), and a battery box cover (80) which can be opened and closed is arranged above the battery box (8).
10. A lithium-ion battery vehicle according to claim 9, characterized in that the distance between the two upper shelves (14) is greater than the width of the battery compartment (8) and its lid (80).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920364004.6U CN209904955U (en) | 2019-03-21 | 2019-03-21 | Lithium electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920364004.6U CN209904955U (en) | 2019-03-21 | 2019-03-21 | Lithium electric vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209904955U true CN209904955U (en) | 2020-01-07 |
Family
ID=69033437
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920364004.6U Expired - Fee Related CN209904955U (en) | 2019-03-21 | 2019-03-21 | Lithium electric vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209904955U (en) |
-
2019
- 2019-03-21 CN CN201920364004.6U patent/CN209904955U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200107 Termination date: 20210321 |