CN214296321U - Gear box body of pedal electric motorcycle - Google Patents
Gear box body of pedal electric motorcycle Download PDFInfo
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- CN214296321U CN214296321U CN202120255368.8U CN202120255368U CN214296321U CN 214296321 U CN214296321 U CN 214296321U CN 202120255368 U CN202120255368 U CN 202120255368U CN 214296321 U CN214296321 U CN 214296321U
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Abstract
The utility model relates to a pedal electric motorcycle car's gear box body belongs to pedal electric motorcycle car accessory technical field. The gearbox body of the pedal electric motorcycle is of an integrated structure and comprises a protective annular plate, a bottom plate, an assembly cylinder, an upper support lug, a lower support lug and an input sleeve, wherein the protective annular plate is arranged on the outer side of the bottom plate; an upper support lug is arranged on the upper side of one end of the protection ring plate; a lower support lug is arranged at the lower side of the other end of the protective ring plate; an input sleeve is arranged at one end of the bottom plate at the inner side of the protective ring plate; a plurality of motor assembling holes are formed in the bottom plate around the input sleeve; the other end of the bottom plate outside the protective ring plate is provided with an assembly cylinder; the end face of the assembling cylinder is provided with a plurality of locking holes at intervals. The gearbox body of the pedal electric motorcycle is compact in structure and ingenious in design, and solves the problems that the existing gearbox body is heavy and affects the performance of the whole motorcycle; is particularly suitable for the use requirement of the pedal electric motorcycle.
Description
Technical Field
The utility model relates to a pedal electric motorcycle car's gear box body belongs to pedal electric motorcycle car accessory technical field.
Background
In the technical field of pedal electric motorcycle manufacture, a gear box of a pedal electric motorcycle is composed of a gear box body, a support cover, an end cover and a transmission gear; the gear box body is an important positioning component and a stressed component of a gear shaft in the gear box of the pedal electric motorcycle; the gearbox of the pedal electric motorcycle can meet the use requirement of the gearbox of the pedal electric motorcycle only by high bearing performance. The gearbox body of the traditional pedal electric motorcycle is made of a steel part and an iron casting with high rigidity, and although the use requirement of the gearbox can be met, the steel part and the iron casting both have the characteristic of high density, the whole weight of the motorcycle is increased to a certain degree, and the overall performance of the pedal electric motorcycle is further influenced. At present, in the field of manufacturing of pedal electric motorcycles, the trend of using die-cast aluminum parts to replace steel parts and iron parts is provided, so that the characteristic that the density of the die-cast aluminum parts is small is utilized, the problems existing when the existing gearbox supporting cover is manufactured by using the steel parts and the iron parts are solved, but the die-cast aluminum parts have the characteristic of poor rigidity compared with the steel parts and the iron parts, and the problem that the strength cannot meet the use requirement is easily caused when the aluminum gearbox body is manufactured by completely using the structure of the steel or iron supporting cover, so that the aluminum gearbox body is necessary to be developed, and the purposes of meeting the strength use requirement of the pedal electric motorcycle gearbox and reducing the weight can be achieved.
Disclosure of Invention
The utility model aims to provide a: the utility model provides a compact structure, design benefit's footboard electric motorcycle's gear box body to solve the big problem of weight that current gear box body had.
The technical scheme of the utility model is that:
a gearbox body of a pedal electric motorcycle is of an integrated structure and comprises a protective annular plate, a bottom plate, an assembly cylinder, an upper support lug, a lower support lug and an input sleeve, wherein the protective annular plate is arranged on the outer side of the bottom plate; an upper support lug is arranged on the upper side of one end of the protection ring plate; a lower support lug is arranged at the lower side of the other end of the protective ring plate; the method is characterized in that: an input sleeve is arranged at one end of the bottom plate at the inner side of the protective ring plate; a plurality of motor assembling holes are formed in the bottom plate around the input sleeve; the other end of the bottom plate outside the protective ring plate is provided with an assembly cylinder; a plurality of locking holes are arranged at intervals on the end surface of the assembling cylinder; the middle part of the bottom plate at the inner side of the assembling cylinder is provided with a middle assembling ring; an input assembling ring is arranged on one side of the middle assembling ring; an output assembly ring is arranged on the other side of the middle assembly ring; the middle assembling ring is jointed and connected with the input assembling ring.
The middle assembling ring and the output assembling ring are connected with each other through a transverse lacing wire; the periphery of the output assembly ring is connected with the assembly cylinder through a plurality of reinforcing plates A; one side of the middle assembling ring is connected with the assembling cylinder through a plurality of reinforcing plates B.
Bearing assembling positions are arranged inside the output assembling ring and the middle assembling ring; an input positioning hole is formed in the input assembling ring.
A bearing assembling position is arranged in the input sleeve; a positioning counter bore is arranged on the bottom plate outside the input sleeve.
The upper support lug is provided with a mounting hole A; the lower support lug is provided with a mounting hole B; and lightening holes are formed in the upper support lug and the lower support lug.
A plurality of connecting columns are arranged between the inner side of the protective ring plate and the bottom plate; the connecting column is provided with a connecting hole.
A weight-reducing settlement surface is arranged on the bottom plate on one side of the input sleeve on the inner side of the protective ring plate; a plurality of reinforcing columns are arranged in the weight reduction settlement surface in a specification shape; the reinforcing columns are provided with reinforcing ribs in a divergent shape at the periphery, and the reinforcing ribs are connected with the corresponding reinforcing columns or the side surfaces of the weight-reducing settlement surfaces.
The utility model has the advantages that:
the gearbox body of the pedal electric motorcycle is compact in structure and ingenious in design, and the structure of the gearbox body is specially designed according to the stress condition of the gearbox body, so that the weight can be relatively reduced, the strength use requirement can be met, and the problems that the existing gearbox body is heavy and the performance of the whole motorcycle is affected are solved; is particularly suitable for the use requirement of the pedal electric motorcycle.
Drawings
Fig. 1 is a schematic view of an axial measurement structure of the present invention;
fig. 2 is a schematic view of the structure of the present invention;
fig. 3 is a schematic rear view of the present invention;
fig. 4 is a schematic view of the structure in the direction of a-a in fig. 3.
In the figure: 1. a guard ring plate; 2. a base plate; 3. assembling the cartridge; 4. an upper lug; 5. a lower lug; 6. an input sleeve; 7. a motor assembly hole; 8. a locking hole; 9. a middle assembly ring; 10. inputting an assembly ring; 11. outputting an assembly ring; 12. transversely stretching a rib; 13. a reinforcing plate A; 14. a reinforcing plate B; 15. a bearing assembly position; 16. inputting the positioning hole; 17. a mounting hole A; 18. a mounting hole B; 19. lightening holes; 20. connecting the column; 21. an engagement hole; 22. reducing weight of the subsidence surface; 23. a reinforcement column; 24. reinforcing ribs; 25. and positioning the counter bore.
Detailed Description
This footboard electric motorcycle car's gear box body formula structure as an organic whole, it forms through aluminium system material die-casting, so can make this gear box body utilize the relatively lighter characteristic of aluminium system material, has reduced the whole weight of this gear box body, when using the mode of die-casting to make in addition, can make this gear box body compacter, and intensity is higher, and then makes its operation requirement who satisfies footboard electric motorcycle car's gear box.
The gearbox body of the pedal electric motorcycle comprises a protective ring plate 1, a bottom plate 2, an assembly cylinder 3, an upper lug 4, a lower lug 5 and an input sleeve 6 (see the attached figure 1 in the specification), wherein the protective ring plate 1 is arranged on the outer side of the bottom plate 2.
An upper support lug 4 is arranged on the upper side of one end of the protective ring plate 1; the lower side of the other end of the protection ring plate 1 is provided with a lower support lug 5. The upper support lug 4 is provided with a mounting hole A17; the lower support lug 5 is provided with a mounting hole B18; during assembly, the gear box body is connected with a rack of the pedal electric motorcycle through an upper support lug 4 and a lower support lug 5. The upper support lug 4 and the lower support lug 5 are both provided with lightening holes 19.
An input sleeve 6 is arranged at one end of the bottom plate 2 at the inner side of the protective ring plate 1; a plurality of motor assembling holes 7 are arranged on the bottom plate 2 around the input sleeve 6 (refer to the attached figures 2, 3 and 4 in the specification); a bearing assembling position 15 is arranged in the input sleeve 6; the bottom plate 2 outside the input sleeve 6 is provided with a positioning counter bore 25 (see the description attached to figures 3 and 4). During assembly, a motor of the pedal electric motorcycle can be positioned through the positioning counter bore 25 and then is fixedly arranged on the bottom plate 2 through the motor assembling hole 7.
After the motor of the pedal electric motorcycle and the gear box body are installed, the output shaft of the motor is connected with the input sleeve 6 through a bearing; the purpose of arranging the input sleeve 6 in this way is: when in work, the output shaft of the motor of the pedal electric motorcycle is a main stressed part; during operation, the input sleeve 6 can provide supporting force for the output shaft of the motor through the bearing, so that the problem of unbalanced stress of the output shaft of the motor during operation can be avoided.
The other end of the bottom plate 2 outside the guard ring plate 1 is provided with an assembly cylinder 3 (refer to the attached figures 3 and 4 in the specification); the end face of the assembling cylinder 3 is provided with a plurality of locking holes 8 at intervals (refer to the attached figure 3 in the specification).
The middle part of the bottom plate 2 at the inner side of the assembling cylinder 3 is provided with a middle assembling ring 9; an input assembling ring 10 is arranged on one side of the middle assembling ring 9; the other side of the middle assembling ring 9 is provided with an output assembling ring 11; the middle assembling ring 9 is connected with the input assembling ring 10 in a fitting manner (refer to the attached figures 2 and 3 in the specification).
During assembly, the power input shaft of the pedal electric motorcycle is arranged in the assembly cylinder 3 through the input assembly ring 10; the middle transmission shaft of the pedal electric motorcycle is arranged through a middle assembling ring 9; the power output shaft of the pedal electric motorcycle is arranged through the output assembling ring 11.
A bearing assembling position 15 is arranged inside the output assembling ring 11 and the middle assembling ring 9; the input fitting ring 10 is provided with an input positioning hole 16 (see the description and the attached fig. 4) inside. The output assembling ring 11 provides support for a power output shaft of the pedal electric motorcycle through a bearing assembling position 15 and a bearing; the middle assembling ring 9 provides support for a middle transmission shaft of the pedal electric motorcycle through a bearing assembling position 15 and a bearing; the input mounting ring 10 provides support for the power input shaft of the pedal electric motorcycle through the input positioning hole 16 and the bearing.
The middle assembling ring 9 and the output assembling ring 11 are connected with each other through a transverse lacing wire 12 (see the attached figure 3 in the specification); the periphery of the output assembly ring 11 is connected with the assembly cylinder 3 through a plurality of reinforcing plates A13; the middle assembling ring 9 is connected with the assembling cylinder 3 through a plurality of reinforcing plates B14 on one side (refer to the attached figure 3 in the specification).
Because the during operation, input assembly circle 10, output assembly circle 11 and intermediate assembly circle 9 are the main atress part of gear box transmission, consequently will input assembly circle 10, output assembly circle 11 and intermediate assembly circle 9 the purpose that so sets up lies in: the strength of the input assembling ring 10, the output assembling ring 11 and the middle assembling ring 9 is improved, so that the problem that the input assembling ring or the connection part is deformed and cracked under stress is avoided.
A plurality of connecting columns 20 are arranged between the inner side of the guard ring plate 1 and the bottom plate 2; the docking post 20 is provided with a docking hole 21 (see fig. 1 and 2 of the specification). During assembly, the gearbox body is fixedly provided with a box cover through the joint hole 21.
A weight-reducing settlement surface 22 is arranged on the bottom plate 2 at one side of the input sleeve 6 at the inner side of the protective ring plate 1; a plurality of reinforcing columns 23 are arranged in the weight-reducing settlement surface 22 in a specification shape; the reinforcing columns 23 are provided with reinforcing ribs 24 around in a divergent manner, and the reinforcing ribs 24 are connected with the corresponding reinforcing columns 23 or the side surfaces of the weight-reducing settlement surfaces 22 (see the attached figures 1 and 2 in the specification).
Because the bottom plate 2 on one side of the input sleeve 6 on the inner side of the protective ring plate 1 is in a position with relatively small stress, the total weight of the gearbox body can be well reduced after the weight reduction settlement surface 22 is arranged, and in addition, the strength of the gearbox body can be further enhanced after the reinforcing columns 23 and the reinforcing ribs 24 are arranged on the weight reduction settlement surface 22, so that the purposes of reducing the weight and meeting the strength requirement can be achieved.
The gearbox body of the pedal electric motorcycle is compact in structure and ingenious in design, and the structure of the gearbox body is specially designed according to the stress condition of the gearbox body, so that the weight can be relatively reduced, the strength use requirement can be met, and the problems that the existing gearbox body is heavy and the performance of the whole motorcycle is affected are solved; is particularly suitable for the use requirement of the pedal electric motorcycle.
Claims (7)
1. A gearbox body of a pedal electric motorcycle comprises a protective annular plate (1), a bottom plate (2), an assembly cylinder (3), an upper support lug (4), a lower support lug (5) and an input sleeve (6) in an integrated structure, wherein the protective annular plate (1) is arranged on the outer side of the bottom plate (2); an upper support lug (4) is arranged on the upper side of one end of the protective ring plate (1); a lower support lug (5) is arranged at the lower side of the other end of the protective ring plate (1); the method is characterized in that: an input sleeve (6) is arranged at one end of the bottom plate (2) at the inner side of the protective ring plate (1); a plurality of motor assembling holes (7) are formed in the bottom plate (2) around the input sleeve (6); the other end of the bottom plate (2) at the outer side of the protective ring plate (1) is provided with an assembly cylinder (3); a plurality of locking holes (8) are arranged at intervals on the end surface of the assembling cylinder (3); a middle assembling ring (9) is arranged in the middle of the bottom plate (2) at the inner side of the assembling cylinder (3); an input assembling ring (10) is arranged on one side of the middle assembling ring (9); the other side of the middle assembling ring (9) is provided with an output assembling ring (11); the middle assembling ring (9) is jointed and connected with the input assembling ring (10).
2. The gearbox body of the pedal electric motorcycle as set forth in claim 1, wherein: the middle assembling ring (9) and the output assembling ring (11) are connected with each other through a transverse lacing wire (12); the periphery of the output assembly ring (11) is connected with the assembly cylinder (3) through a plurality of reinforcing plates A (13); one side of the middle assembling ring (9) is connected with the assembling cylinder (3) through a plurality of reinforcing plates B (14).
3. The gearbox body of the pedal electric motorcycle as set forth in claim 1, wherein: a bearing assembling position (15) is arranged inside the output assembling ring (11) and the middle assembling ring (9); an input positioning hole (16) is arranged in the input assembling ring (10).
4. The gearbox body of the pedal electric motorcycle as set forth in claim 1, wherein: a bearing assembling position (15) is arranged in the input sleeve (6); a positioning counter bore (25) is arranged on the bottom plate (2) at the outer side of the input sleeve (6).
5. The gearbox body of the pedal electric motorcycle as set forth in claim 1, wherein: the upper support lug (4) is provided with a mounting hole A (17); the lower support lug (5) is provided with a mounting hole B (18); and the upper support lug (4) and the lower support lug (5) are both provided with lightening holes (19).
6. The gearbox body of the pedal electric motorcycle as set forth in claim 1, wherein: a plurality of connecting columns (20) are arranged between the inner side of the guard ring plate (1) and the bottom plate (2); the joining column (20) is provided with a joining hole (21).
7. The gearbox body of the pedal electric motorcycle as set forth in claim 1, wherein: a weight-reducing settlement surface (22) is arranged on the bottom plate (2) on one side of the input sleeve (6) on the inner side of the protective ring plate (1); a plurality of reinforcing columns (23) are arranged in the weight-reducing settlement surface (22) in a specification shape; reinforcing ribs (24) are arranged around the reinforcing columns (23) in a divergent manner, and the reinforcing ribs (24) are connected with the corresponding reinforcing columns (23) or the side surfaces of the weight-reducing settlement surfaces (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120255368.8U CN214296321U (en) | 2021-01-29 | 2021-01-29 | Gear box body of pedal electric motorcycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120255368.8U CN214296321U (en) | 2021-01-29 | 2021-01-29 | Gear box body of pedal electric motorcycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214296321U true CN214296321U (en) | 2021-09-28 |
Family
ID=77831425
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120255368.8U Active CN214296321U (en) | 2021-01-29 | 2021-01-29 | Gear box body of pedal electric motorcycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214296321U (en) |
-
2021
- 2021-01-29 CN CN202120255368.8U patent/CN214296321U/en active Active
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