CN215267885U - Increase journey ware ISG generator seal structure - Google Patents
Increase journey ware ISG generator seal structure Download PDFInfo
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- CN215267885U CN215267885U CN202120600543.2U CN202120600543U CN215267885U CN 215267885 U CN215267885 U CN 215267885U CN 202120600543 U CN202120600543 U CN 202120600543U CN 215267885 U CN215267885 U CN 215267885U
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- oil seal
- adapter plate
- connecting hole
- seal seat
- isg
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- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The utility model discloses increase journey ware ISG generator seal structure, including back oil seal seat and keysets, back oil seal seat and keysets are connected between engine crankshaft one end and ISG motor, back oil seal seat is equipped with connecting hole I, be equipped with connecting hole II on the keysets, engine crankshaft one end is passed and is gone into the connecting hole II and the ISG motor rotor of keysets behind the connecting hole I of back oil seal seat and be connected, I outside terminal surface of connecting hole of back oil seal seat is equipped with smooth back oil seal seat and seals the face, connecting hole II of keysets is the circular through-hole that sets up at the keysets middle part, the keysets medial surface is equipped with annular boss I at II periphery salient of connecting hole, the axial surface of annular boss I is smooth keysets and seals the face, back oil seal seat face butt joint and the keysets sealed face when engine crankshaft and ISG motor rotor connect, seal face and the sealed face of keysets between through rubber coating seal or O type circle. The utility model discloses can reduce seal structure's the processing degree of difficulty, promote product percent of pass and sealing reliability.
Description
Technical Field
The utility model relates to the technical field of engines, in particular to increase journey ware ISG generator seal structure.
Background
The rotor of the ISG motor of the range extender is connected through the crankshaft of the engine, the engine drives the ISG motor to generate power, and the requirement of IP67 sealing between the ISG motor and the engine is met in the service environment of the ISG motor.
At present, for the purpose of platform development and reduction of product development cost, an ISG motor of a range extender can share a power assembly with an engine of a traditional fuel vehicle, the rear end face of the engine needs to be compatibly connected with a transmission flange face and an ISG motor flange face, a dustproof partition plate is only needed to be made for sealing the end face of the transmission, and the ISG motor needs to be waterproof, dustproof and oil-proof.
The scheme for sealing the ISG motor and the rear end of the engine at the present stage is as follows:
1. a cambered surface I2 (shown in figure 1) needs to be designed at the position, close to the bottom end, of the outer side of the rear oil seal seat 1 of the engine to form a sealing transition surface with the rear end face (not shown in the figure) of the crankcase, the machining matching precision requirement of the cambered surface I2 of the rear oil seal seat and the rear end face of the crankcase is high, and the machining qualified rate is low.
2. The ISG motor is connected with the engine through the adapter plate 4 (as shown in figure 2), the adapter plate 4 and the engine are sealed, an arc surface II 5 matched with the rear oil seal seat arc surface I2 needs to be machined, the arc surface machining difficulty is high, the other side surface of the adapter plate 4 is sealed with the motor (as shown in figure 3), and the sealing surface is sealed by gluing.
Disclosure of Invention
The utility model aims at the defect that above-mentioned prior art exists, provide an increase journey ware ISG generator seal structure, its processing degree of difficulty that can reduce seal structure promotes product percent of pass and sealing reliability.
The utility model discloses a realize that the technical scheme that above-mentioned purpose adopted is: a sealing structure of an ISG generator of a range extender comprises a rear oil seal seat and an adapter plate, wherein the rear oil seal seat and the adapter plate are connected between one end of a crankshaft of an engine and an ISG motor, a circular connecting hole I is formed in the middle of the rear oil seal seat, a connecting hole II is formed in the adapter plate, one end of an engine crankshaft penetrates through the connecting hole I of the rear oil seal seat and then enters the connecting hole II of the adapter plate to be connected with a rotor of the ISG motor, the end face of the outer side of the connecting hole I of the rear oil seal seat is provided with a smooth rear oil seal seat sealing surface, the connecting hole II of the adapter plate is a circular through hole formed in the middle of the adapter plate, the inner side surface of the adapter plate is provided with an annular boss I in the protruding mode of the periphery of the connecting hole II, the axial surface of the annular boss I is a smooth adapter plate sealing surface, the rear oil seal seat sealing surface is in butt joint with the adapter plate sealing surface when a crankshaft of an engine is connected with a rotor of an ISG motor, and the rear oil seal seat sealing surface and the adapter plate sealing surface are sealed through glue coating or O-shaped rings.
The utility model discloses a further technical scheme is: the rear oil seal seat is integrally trapezoidal, and the upper side, the lower side and the two sides of the rear oil seal seat are respectively provided with a rear oil seal seat mounting hole connected with an engine crankcase.
The utility model discloses a further technical scheme is: the adapter plate is integrally circular, adapter plate mounting holes capable of being simultaneously connected with an engine crankcase and an ISG motor shell are formed in the periphery of the adapter plate, the inner side surface of the adapter plate is connected with the engine crankcase, and the outer side surface of the adapter plate is connected with the ISG motor shell.
The utility model discloses a further technical scheme is: the inner side surface of the adapter plate comprises a first inner side surface and a second inner side surface formed by the recess of the side, where the ISG motor is located, of the first inner side surface, the first inner side surface is in butt joint with an engine crankcase, the annular boss I is formed by extending the second inner side surface to one end of an engine crankshaft, and the annular boss I does not protrude out of the first inner side surface in the axial direction of the crankshaft.
The utility model discloses a further technical scheme is: an annular boss II is arranged on the outer side surface of the adapter plate at the periphery of the connecting hole II in a protruding mode, a step surface with the diameter larger than that of the connecting hole II is arranged on the inner side of the annular boss II towards the side where the engine crankshaft is located in a sunken mode, the step surface is communicated with the connecting hole II, when the engine crankshaft is connected with the ISG motor, the rotor of the ISG motor enters the connecting hole II of the adapter plate to be directly connected with the end face of the engine crankshaft, and the rotor of the ISG motor is locked with the end face of the engine crankshaft through a flywheel bolt; the sealing structure also comprises an oil seal sealing ring which is sleeved on the surface of the rotor of the ISG motor and positioned on the step surface.
The utility model discloses a further technical scheme is: the inner diameter of the oil seal sealing ring is equal to the peripheral diameter of an ISG motor rotor, and the outer diameter of the oil seal sealing ring is equal to the peripheral diameter of a step surface.
The utility model discloses increase journey ware ISG generator seal structure has following beneficial effect:
1. reduce the processing difficulty
The utility model discloses increase journey ware ISG generator seal structure and connect between engine crankshaft and ISG motor, the sealed face butt joint of back oil seal seat and the sealed face of keysets when engine crankshaft and ISG motor are connected, and it is sealed through the rubber coating or O type circle is sealed between the sealed face of back oil seal seat and keysets, then the sealed face of back oil seal seat is smooth plane with the sealed face of keysets, need not to seal transition curved surface and the butt joint board processing cambered surface of back oil seal seat processing, the processing degree of difficulty of two parts has been reduced, the part machining qualification rate has been guaranteed, and increase sealed reliability.
2. Sealing waterproof
Because the utility model discloses increase journey ware ISG generator seal structure's keysets and rotor adopt the oil blanket sealing washer to seal, dual assurance increase journey ware assembly ISG motor when wading on whole car, avoid the water that splashes to get into the motor with engine oil, ensure that the motor sealing grade reaches IP67, guaranteed the reliability of increasing journey ware assembly.
3. Reduce development cost
Because the utility model discloses a compatible journey ware engine that increases of back oil blanket seat can use with traditional fuel engine, consequently, can reduce development cost.
The present invention will be further described with reference to the accompanying drawings and embodiments.
Drawings
FIG. 1 is a schematic illustration of a prior art rear oil seal housing in connection with a crankshaft;
FIG. 2 is a schematic view of a prior art adapter plate;
FIG. 3 is a schematic diagram of a prior art ISG motor coupled to an adapter plate;
fig. 4 is a perspective view of a rear oil seal seat (a crankshaft end is positioned in a connecting hole i of the rear oil seal seat) of the seal structure of the ISG generator of the range extender of the present invention;
fig. 5 is a perspective view of an adapter plate of the seal structure of the ISG generator of the range extender of the present invention;
FIG. 6 is a front view of the adapter plate shown in FIG. 5;
FIG. 7 is a sectional view A-A of FIG. 6;
FIG. 8 is a schematic view of the adapter plate of FIG. 5 coupled to an ISG motor housing;
FIG. 9 is a front view of FIG. 8;
FIG. 10 is a sectional view A-A of FIG. 9;
fig. 11 is a schematic diagram of the seal structure of the ISG generator of the range extender of the present invention connecting an engine crankshaft (only partially shown) and an ISG motor rotor;
FIG. 12 is a front view of FIG. 11;
FIG. 13 is a sectional view A-A of FIG. 12;
FIG. 14 is an enlarged view of FIG. 13;
fig. 15 is a schematic view of a connecting structure between an ISG motor and an engine crankshaft of the seal structure of the ISG generator of the range extender of the present invention;
FIG. 16 is a sectional view A-A of FIG. 15;
the reference numbers illustrate: 1-rear oil seal seat, 2-cambered surface I, 3-crankshaft, 4-adapter plate, 5-cambered surface II, 6-rear oil seal seat sealing surface, 7-connecting hole I, 8-rear oil seal seat mounting hole, 9-first inner side surface, 10-adapter plate mounting hole, 11-annular boss I, 12-adapter plate sealing surface, 13-connecting hole II, 14-second inner side surface, 15-adapter plate outer side surface, 16-annular boss II, 17-step surface, 18-rotor, 19-flywheel bolt, 20-oil seal ring, 21-ISG motor shell.
Detailed Description
As shown in fig. 4 to 16, the utility model discloses increase journey ware ISG generator seal structure, including back oil blanket seat 1 and keysets 4. The rear oil seal seat 1 and the adapter plate 4 are connected between one end of the engine crankshaft 3 and the ISG motor. The middle part of back oil seal seat 1 is equipped with circular shape connecting hole I7, be equipped with connecting hole II 13 on the keyset 4, the connecting hole II 13 that gets into keyset 4 after the connecting hole I7 of back oil seal seat 1 is passed to engine crankshaft 3 one end is connected with the rotor of ISG motor. The ISG motor includes ISG motor housing and sets up rotor and stator in the shell inboard, the stator with the utility model discloses a little there is not direct relation, the not shown stator in the figure.
As shown in fig. 4, the rear oil seal seat 1 is overall trapezoidal, and the upper, lower and both sides of the rear oil seal seat 1 are respectively provided with a rear oil seal seat mounting hole 8 connected with an engine crankcase (not shown). The outer side end face of a connecting hole I7 of the rear oil seal seat 1 is provided with a flat rear oil seal seat sealing surface 6, the outer side end face of the connecting hole I7 of the rear oil seal seat 1 is the end face of the connecting hole I7 far away from one end of the crankcase, the inner side of the rear oil seal seat 1 is connected with the crankcase of the engine, and the outer side of the rear oil seal seat 1 is connected with the adapter plate 4 (see figure 16).
As shown in fig. 5 to 7, the adapter plate 4 is circular, the adapter plate mounting hole 10 is formed on the periphery of the adapter plate 4 and can be used for simultaneously connecting an engine crankcase (not shown) and an ISG motor housing 21, the inner side surface of the adapter plate 4 is connected with the engine crankcase, the outer side surface 15 of the adapter plate is connected with the ISG motor housing 21, and as shown in fig. 8, 9 and 10, the ISG motor housing 21 and the outer side surface 15 of the adapter plate can be sealed by glue or an O-ring. The connecting hole II 13 of the adapter plate 4 is a circular through hole arranged in the middle of the adapter plate 4, an annular boss I11 is arranged on the inner side face of the adapter plate and protrudes out of the periphery of the connecting hole II 13, and the axial surface of the annular boss I11 is a smooth adapter plate sealing surface 12. In this embodiment, the inner side surface of the adapter plate includes a first inner side surface 9 and a second inner side surface 14 formed by recessing the inner side of the first inner side surface 9 toward the side where the ISG motor is located, the first inner side surface 9 is abutted with an engine crankcase (not shown), an annular boss i 11 is formed by extending the second inner side surface 14 toward one end of the engine crankshaft, and the annular boss i 11 does not protrude from the first inner side surface 9 in the axial direction of the crankshaft 3, that is, the annular boss i 11 is not higher than the first inner side surface 9. An annular boss II 16 is arranged on the outer side surface 15 of the adapter plate at the periphery of the connecting hole II 13 in a protruding mode, an annular step surface 17 with the diameter larger than that of the connecting hole II 13 is arranged on the inner side of the annular boss II 16 towards the side where the engine crankshaft is located in a recessed mode, and the step surface 17 is communicated with the connecting hole II 13.
As shown in fig. 11 to 16, when the engine crankshaft is connected to the rotor of the ISG motor, the rear oil seal seat 1 is connected to the engine crankcase through the rear oil seal seat mounting hole 8, the adapter plate 4 is connected to the outer side of the rear oil seal seat 1, the first inner side surface 9 of the adapter plate 4 is in butt joint with the engine crankcase, the outer side surface 15 of the adapter plate is connected to the ISG motor housing 21, and the space between the outer side surface 15 of the adapter plate and the ISG motor housing 21 may be sealed by glue or an O-ring. One end of an engine crankshaft (only one section of crankshaft end part is shown in the figure) penetrates through a connecting hole I7 of the rear oil seal seat 1 and then enters a connecting hole II 13 of the adapter plate 4 to be connected with a rotor 18 of the ISG motor. And the rotor 18 of the ISG motor enters the connecting hole II 13 of the adapter plate 4 and is directly connected with the end face of the crankshaft of the engine. When the engine crankshaft is connected with the ISG motor, the rear oil seal seat sealing surface 6 is in butt joint with the adapter plate sealing surface 12, and the rear oil seal seat sealing surface 6 and the adapter plate sealing surface 12 are sealed through gluing or O-shaped ring sealing. And a flywheel bolt 19 is used for locking the rotor 18 of the ISG motor and the end surface of the crankshaft of the engine. The seal structure also includes an oil seal ring 20 that is fitted over the surface of the rotor 18 of the ISG motor and positioned on the step surface 17. The inner diameter of the oil seal sealing ring 20 is equal to the peripheral diameter of the ISG motor rotor 18, and the outer diameter of the oil seal sealing ring 20 is equal to the peripheral diameter of the step surface 17. The axial adopts oil blanket sealing washer 20, can accomplish dustproof, grease proofing, guarantees ISG motor IP 67's sealed requirement.
The above embodiments are only preferred embodiments of the present invention, the structure of the present invention is not limited to the forms illustrated in the above embodiments, and any modifications, equivalent substitutions and the like made within the spirit and principle of the present invention should be included within the scope of the present invention.
Claims (6)
1. A range extender ISG generator sealing structure comprises a rear oil seal seat (1) and an adapter plate (4), wherein the rear oil seal seat (1) and the adapter plate (4) are connected between one end of an engine crankshaft (3) and an ISG motor rotor, a round connecting hole I (7) is formed in the middle of the rear oil seal seat (1), a connecting hole II (13) is formed in the adapter plate (4), one end of the engine crankshaft (3) penetrates through the connecting hole I (7) of the rear oil seal seat (1) and then enters the connecting hole II (13) of the adapter plate (4) to be connected with the rotor of the ISG motor, the range extender ISG generator sealing structure is characterized in that a flat rear oil seal seat sealing surface (6) is arranged on the outer side end face of the connecting hole I (7) of the rear oil seal seat (1), the connecting hole II (13) of the adapter plate (4) is a round through hole formed in the middle of the adapter plate (4), and an annular boss (11) protrudes out of the periphery of the inner side face of the connecting hole I (13) of the adapter plate (4), the axial surface of annular boss I (11) is smooth keysets sealed face (12), and back oil seal seat sealed face (6) butt joint and keysets sealed face (12) when engine crankshaft (3) and the rotor of ISG motor are connected, seals through the rubber coating between back oil seal seat sealed face (6) and the keysets sealed face (12) or O type circle is sealed.
2. The seal structure of the ISG generator of the range extender of claim 1, wherein the rear oil seal seat (1) is trapezoidal as a whole, and the upper, lower and both sides of the rear oil seal seat (1) are respectively provided with a rear oil seal seat mounting hole (8) connected with an engine crankcase.
3. The range extender ISG generator seal structure according to claim 1, wherein the adapter plate (4) is circular in shape as a whole, the periphery of the adapter plate (4) is provided with an adapter plate mounting hole (10) capable of simultaneously connecting an engine crankcase and an ISG motor housing (21), the inner side surface of the adapter plate (4) is connected with the engine crankcase, and the outer side surface (15) of the adapter plate is connected with the ISG motor housing (21).
4. The range extender ISG generator seal structure according to claim 3, wherein the inner side surface of the adapter plate comprises a first inner side surface (9) and a second inner side surface (14) formed by recessing the inner side of the first inner side surface (9) to the side where the ISG motor is located, the first inner side surface (9) is abutted with an engine crankcase, the annular boss I (11) is formed by extending the second inner side surface (14) to one end of the engine crankshaft (3), and the annular boss I (11) does not protrude out of the first inner side surface (9) in the axial direction of the crankshaft (3).
5. The range extender ISG generator sealing structure as claimed in claim 4, wherein an annular boss II (16) is protrudingly arranged on the outer side surface (15) of the adapter plate at the periphery of the connecting hole II (13), a step surface (17) with a larger hole diameter than that of the connecting hole II (13) is arranged on the inner side of the annular boss II (16) and is recessed towards the side where the engine crankshaft (3) is located, the step surface (17) is communicated with the connecting hole II (13), when the engine crankshaft (3) is connected with the ISG motor, the rotor (18) of the ISG motor enters the connecting hole II (13) of the adapter plate to be directly connected with the end surface of the engine crankshaft (3), and the rotor (18) of the ISG motor is locked with the end surface of the engine crankshaft (3) by a flywheel bolt (19); the sealing structure also comprises an oil seal sealing ring (20) which is sleeved on the surface of a rotor (18) of the ISG motor and positioned on the step surface (17).
6. The range extender ISG generator seal structure according to claim 5, wherein the inner diameter of the oil seal sealing ring (20) is equal to the peripheral diameter of the ISG motor rotor (18), and the outer diameter of the oil seal sealing ring (20) is equal to the peripheral diameter of the step surface (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120600543.2U CN215267885U (en) | 2021-03-24 | 2021-03-24 | Increase journey ware ISG generator seal structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120600543.2U CN215267885U (en) | 2021-03-24 | 2021-03-24 | Increase journey ware ISG generator seal structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215267885U true CN215267885U (en) | 2021-12-21 |
Family
ID=79504591
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120600543.2U Active CN215267885U (en) | 2021-03-24 | 2021-03-24 | Increase journey ware ISG generator seal structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215267885U (en) |
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2021
- 2021-03-24 CN CN202120600543.2U patent/CN215267885U/en active Active
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