CN214146502U - Output flange plate and rear auxiliary box assembly with oil seal lubricating function - Google Patents
Output flange plate and rear auxiliary box assembly with oil seal lubricating function Download PDFInfo
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- CN214146502U CN214146502U CN202022580241.1U CN202022580241U CN214146502U CN 214146502 U CN214146502 U CN 214146502U CN 202022580241 U CN202022580241 U CN 202022580241U CN 214146502 U CN214146502 U CN 214146502U
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Abstract
The utility model provides an output flange dish and back auxiliary tank assembly with oil blanket lubricating function when solving current back auxiliary tank and adopting planetary gear mechanism, the lubricated problem in output shaft oil blanket position is neglected to the force-feed lubrication system. The rear auxiliary box assembly comprises a shell, a planet carrier and auxiliary box output shaft assembly, an output flange plate, an output shaft oil seal and a pressing plate; the planet carrier and auxiliary box output shaft assembly comprises a planet gear mechanism and an output shaft, the planet gear mechanism is arranged at the front end of the shell, the output shaft penetrates through the shell, and the output shaft is provided with an axis oil duct and a radial oil hole; the output flange plate is sleeved at the rear end of the output shaft and comprises an oil seal mounting matching section and a mounting section, the outer diameters of which are sequentially increased from front to back; the output shaft oil seal is arranged between the shell and the oil seal matching section of the output flange plate, the front end of the oil seal matching section of the output flange plate is provided with an oil passing hole along the radial direction, and the inner wall of the oil seal matching section of the output flange plate is provided with an oil passing notch; the pressure plate is fixed at the rear end of the output shaft and abuts against the rear end of the output flange plate.
Description
Technical Field
The utility model relates to an output flange dish and back auxiliary tank assembly especially relate to an output flange dish and back auxiliary tank assembly with oil blanket lubricating function.
Background
The lubricating oil in the transmission has the functions of lubricating, cleaning, preventing rust and dissipating heat on parts, and is equivalent to the blood of the transmission.
In a multi-gear main and auxiliary box combined mechanical automobile transmission, a rear auxiliary box generally adopts a double-intermediate-shaft structure or a planetary gear mechanism. The double-intermediate-shaft structure can basically meet the lubrication requirements of parts through splash lubrication generated by gear oil stirring; the lubricating oil splashing effect of the planetary gear mechanism is poor, a forced lubricating system is required to be provided for providing forced lubrication for key parts, forced lubricating oil channels are usually arranged for parts such as bearings, auxiliary box synchronizers and the like, and the lubricating condition of an output shaft oil seal part is usually ignored. The output shaft oil seal is positioned at the rear end of the transmission, lubricating oil at the bottom of the transmission can not be stirred almost in the operation of a rear auxiliary box of the planetary mechanism, the matching surface of an output shaft oil seal lip and a flange plate can only be slightly lubricated by oil gas generated in the operation of the transmission, the oil seal lip is almost in a dry friction state, and the oil seal lip and the matching surface of the flange plate are in high-temperature friction for a long time at a high rotating speed, so that the sizing material of the oil seal lip is aged and cracked, and the matching surface of the flange plate is seriously worn, the oil leakage of the transmission is caused, and if the oil leakage of the transmission is found out untimely, the serious transmission box burning accident is caused.
SUMMERY OF THE UTILITY MODEL
When adopting planetary gear mechanism in order to solve current back auxiliary tank, the lubrication at output shaft oil blanket position is neglected to force the lubrication system, makes the oil blanket lip ageing, fracture, perhaps ring flange fitting surface serious wear, arouses the derailleur fluid to reveal, and then leads to the technical problem of derailleur case burning accident, the utility model provides an output ring flange and back auxiliary tank assembly with oil blanket lubricating function.
In order to achieve the above purpose, the utility model provides a technical scheme is:
an output flange plate with an oil seal lubricating function is characterized in that: the oil seal installation matching section and the installation section are sequentially increased in outer diameter, oil passing holes used for lubricating an output shaft oil seal on an output flange plate are radially formed in the adjacent positions of the front end of the oil seal installation matching section, and oil passing notches are axially formed in the matching positions of the inner wall of the output flange plate and the oil passing holes.
And simultaneously, the utility model also provides a back auxiliary assembly with oil blanket lubricating function, its special character lies in: the device comprises a shell, a planet carrier and auxiliary box output shaft assembly, an output flange plate, an output shaft oil seal and a pressing plate;
the planet carrier and auxiliary box output shaft assembly comprises a planet gear mechanism and an output shaft, the front end of the output shaft is integrally designed with a planet carrier of the planet gear mechanism, the planet gear mechanism is arranged at the front end of the shell, the output shaft penetrates through the shell, the front end of the output shaft is provided with an axis oil duct, and the output shaft is radially provided with a radial oil hole communicated with the axis oil duct;
the output flange plate is sleeved at the rear end of the output shaft in a spline mode and comprises an oil seal installation matching section and an installation section, the outer diameter of the oil seal installation matching section is sequentially increased from front to back;
the output shaft oil seal is arranged between the shell and the oil seal installation matching section of the output flange plate, the front end of the oil seal installation matching section of the output flange plate is radially provided with an oil passing hole for lubricating the output shaft oil seal, the matching position of the inner wall of the output flange plate and the oil passing hole is axially provided with an oil passing notch, and the oil passing notch is communicated with the radial oil hole through a spline groove on the output shaft; the pressing plate is fixed at the rear end of the output shaft and abuts against the rear end of the output flange plate.
Furthermore, the oil passing holes and the oil passing notches in the output flange plate are two and are circumferentially and uniformly distributed.
Furthermore, the inner wall of the output flange plate is axially provided with inner spline teeth, and the outer wall of the output shaft is axially provided with outer spline teeth;
the oil passing notch is a structure formed by removing one internal spline tooth of the output flange plate and two adjacent internal spline teeth of the internal spline tooth.
Furthermore, an oil guide ring groove communicated with the oil passing hole is formed in the outer circular surface of the output flange plate.
Furthermore, the front side of the oil guide ring groove is provided with a guide conical surface.
Further, the diameter of the outer face of the front end of the guide conical face is smaller than the diameter of the outer circle of the oil seal installation matching section.
Furthermore, both ends of the oil guide ring groove are provided with fillets.
Further, the oil passing hole is adjacent to the output shaft oil seal and located on the front side of the output shaft oil seal.
And a sealing ring is arranged between the rear end of the output shaft and the inner ring surface of the output flange.
Furthermore, a pressing plate mounting plane for mounting a pressing plate is arranged at the rear end of the mounting section of the output flange plate.
Compared with the prior art, the utility model has the advantages that:
1. the utility model discloses a set up oily breach on output flange inner wall to and radially set up the oilhole, will send to the lubricating oil on output shaft surface through output shaft axle center oil duct and radial oilhole and cause oil blanket fitting surface department, can provide force-feed lubrication and take away partial heat to output shaft oil blanket (oil blanket lip), prevent the long-time high temperature dry friction of oil blanket lip and output flange fitting surface, make the ageing, problem of fracture or ring flange fitting surface wearing and tearing of oil blanket lip sizing material, effectively improve the overall reliability of derailleur.
2. The utility model discloses cross the internal spline tooth formation of output flange dish is got rid of to oily breach accessible, and processing mode is simple.
3. The utility model discloses the outer disc of output flange is equipped with leads the oil ring groove, improves the lubricated effect of output shaft oil blanket.
4. The utility model discloses lead oil ring groove front side and be equipped with the direction conical surface, both ends establish the radius angle to protection oil blanket lip is not by the fish tail when guaranteeing to pack into output ring flange.
5. The utility model discloses be equipped with the sealing washer between output shaft rear end and the output ring flange inner ring face for provide sealed effect to the output shaft surface along the lubricating oil of spline tooth's socket flow direction output shaft rear end.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the rear auxiliary box assembly with an oil seal lubricating function of the present invention;
fig. 2 is a schematic structural view of an output flange plate in the embodiment of the present invention;
FIG. 3 is a sectional view taken along line A-A of FIG. 2;
FIG. 4 is a partial enlarged view at Z of FIG. 2 (with the internal spline tooth oil passing notch removed);
FIG. 5 is a partial enlarged view of the Y-shaped portion of FIG. 3 (showing the oil hole and the oil guide ring groove)
Wherein the reference numbers are as follows:
01-shell, 1-output flange plate, 11-oil seal installation matching section, 12-installation section, 13-oil passing hole, 14-oil passing notch, 15-oil guide ring groove, 16-guide conical surface, 17-fillet, 19-pressure plate installation plane, 110-internal spline tooth, 2-output shaft oil seal, 3-output shaft bearing cover, 4-output shaft bearing, 5-sealing ring, 6-planet carrier and auxiliary box output shaft assembly, 61-planetary gear mechanism, 62-output shaft, 621-axis oil passage, 622-radial oil hole, 7-pulse gear, 8-rear cover shell, 9-auxiliary box synchronizer assembly and 10-pressure plate.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
As shown in fig. 1, a rear auxiliary box assembly with oil seal lubricating function comprises a shell 01, a planet carrier and auxiliary box output shaft assembly 6, an output shaft oil seal 2, an output flange 1 and a pressure plate 10; the housing 01 comprises a rear cover housing 8 and an output shaft bearing cover 3 fixedly connected to the rear end of the rear cover housing 8.
The planet carrier and auxiliary box output shaft assembly 6 comprises a planet gear mechanism 61 and an output shaft 62, the front end of the output shaft 62 is integrally designed with a planet carrier of the planet gear mechanism 61, the planet gear mechanism 61 is arranged at the front end of the rear cover shell 8, the output shaft 62 penetrates through the rear cover shell 8 and the output shaft bearing cover 3, the auxiliary box synchronizer assembly 9, the output shaft bearing 4, the pulse gear 7 and the output flange plate 1 are sequentially arranged on the output shaft 62 from front to back, the output flange plate 1 is connected with the rear end of the output shaft 62 through splines, namely, the inner wall of the output flange plate 1 is provided with inner spline teeth 110 along the axial direction, and the outer wall of the output shaft 62 is provided with outer spline teeth along the axial direction; the output shaft oil seal 2 is arranged in an oil seal seat hole on the output shaft bearing cover 3, and the lip of the oil seal is matched with the outer circular surface 11 of the output flange 1 to provide sealing for the transmission.
A forced lubricating oil passage is arranged on the planet carrier and auxiliary box output shaft assembly 6, specifically, an axis oil passage 621 is arranged at the front end of the output shaft 62, and a plurality of radial oil holes 622 communicated with the axis oil passage 621 are axially arranged on the output shaft 62; the lubricating oil entering the axial oil passage 621 of the output shaft 62 can reach the outer surface of the output shaft 62 along the radial oil hole 622 to lubricate the bearing and the synchronizer, and can flow to the rear end of the output shaft 62 along the spline tooth groove on the surface of the output shaft 62; an O-shaped sealing ring 5 is arranged between the rear end of the output shaft 62 and the inner ring surface of the output flange plate 1 and is used for providing a sealing effect for lubricating oil flowing to the rear end of the output shaft 62 along the spline tooth grooves on the surface of the output shaft 62.
As shown in fig. 2 and 3, the output flange 1 of the present embodiment includes an oil seal installation matching section 11 and an installation section 12, the outer diameters of which are sequentially increased from front to back, and an oil seal dustproof platform is formed between the oil seal installation matching section 11 and the installation section 12; the output shaft oil seal 2 is arranged between an oil seal seat hole on the output shaft bearing cover 3 and an oil seal mounting section 11 of the output flange plate 1. The internal spline joint teeth of the output flange plate 1 are separated by 180 degrees, and one tooth is removed to form an oil passing gap 14; an oil guide ring groove 15 is formed in the front end close to the front end of the matching surface of the output flange plate 1 and the output shaft oil seal 2, 2 oil passing holes 13 with the diameter of 2mm are drilled in the oil guide ring groove 15 at 180 degrees in a radial direction, and the 2 oil passing holes 13 respectively face the positions of oil passing notches 14 of the flange plate for removing internal teeth. As shown in fig. 4 and 5, the front end of the oil guide ring groove 15 on the outer surface of the output flange 1 is provided with a guide conical surface 16, and two sides of the oil guide ring groove 15 are provided with rounded corners 17 to ensure that the oil seal lip is protected from being scratched when the output flange 1 is installed.
The pressing plate 10 is fixed at the rear end of the output shaft 62 through bolts and abuts against the pressing plate mounting plane 19 at the rear end of the mounting section 12 of the output flange 1 to provide axial pressing and positioning for the output flange.
In the embodiment, the oil passing notch (the inner spline tooth 110 is removed) and the oil passing hole 13 is radially formed in the output flange plate 1, lubricating oil which is sent to the surface of the output shaft 62 through the shaft center oil passage 621 and the radial oil hole 622 is led to the oil guide ring groove 15 at the front end of the oil seal matching surface, forced lubrication of the output shaft oil seal 2 (oil seal lip) can be realized, partial heat is taken away, long-time high-temperature dry friction between the oil seal lip and the matching surface of the output flange plate 1 is prevented, the problems of aging, cracking or abrasion of the flange plate matching surface of an oil seal lip sizing material are solved, and the overall reliability of the transmission is effectively improved.
The above description is only for the preferred embodiment of the present invention, and the technical solution of the present invention is not limited thereto, and any known modifications made by those skilled in the art on the basis of the main technical idea of the present invention belong to the technical scope to be protected by the present invention.
Claims (10)
1. The utility model provides an output ring flange with oil blanket lubricating function which characterized in that: the oil seal installation and matching section comprises an oil seal installation and matching section (11) and an installation section (12) with sequentially increased outer diameters, wherein oil passing holes (13) used for lubricating an output shaft oil seal (2) on an output flange plate are radially arranged at adjacent positions of the front end of the oil seal installation and matching section (11), and oil passing notches (14) are axially arranged at the matching positions of the inner wall of the output flange plate (1) and the oil passing holes (13).
2. The utility model provides a back auxiliary assembly with oil blanket lubricating function which characterized in that: comprises a shell (01), a planet carrier and auxiliary box output shaft assembly (6), an output flange (1), an output shaft oil seal (2) and a pressure plate (10);
the planet carrier and auxiliary box output shaft assembly (6) comprises a planet gear mechanism (61) and an output shaft (62) with the front end integrally designed with a planet carrier of the planet gear mechanism (61), the planet gear mechanism (61) is arranged at the front end of the shell (01), the output shaft (62) penetrates through the shell (01), the front end of the output shaft (62) is provided with an axis oil duct (621), and the output shaft (62) is radially provided with a radial oil hole (622) communicated with the axis oil duct (621);
the output flange plate (1) is sleeved at the rear end of the output shaft (62) in a spline mode, and the output flange plate (1) comprises an oil seal installation matching section (11) and an installation section (12) of which the outer diameters are sequentially increased from front to back;
the output shaft oil seal (2) is arranged between the shell (01) and an oil seal installation matching section (11) of the output flange plate (1), an oil passing hole (13) for lubricating the output shaft oil seal (2) is radially arranged at the front end of the oil seal installation matching section (11) of the output flange plate (1), an oil passing notch (14) is axially arranged at the matching position of the inner wall of the output flange plate (1) and the oil passing hole (13), and the oil passing notch (14) is communicated with the radial oil hole (622) through a spline groove on the output shaft (62); the pressing plate (10) is fixed at the rear end of the output shaft (62) and is abutted against the rear end of the output flange plate (1).
3. The rear sub-tank assembly with an oil seal lubricating function as claimed in claim 2, wherein: the oil passing holes (13) and the oil passing notches (14) in the output flange plate (1) are uniformly distributed on the circumference.
4. The rear sub-tank assembly with an oil seal lubricating function as claimed in claim 2 or 3, wherein: the inner wall of the output flange plate (1) is axially provided with inner spline teeth (110), and the outer wall of the output shaft (62) is axially provided with outer spline teeth;
the oil passing notch (14) is a structure formed by removing one internal spline tooth of the output flange plate (1) and two internal spline teeth adjacent to the internal spline tooth.
5. The rear sub-tank assembly with an oil seal lubricating function as claimed in claim 4, wherein: and an oil guide ring groove (15) communicated with the oil passing hole (13) is formed in the outer circular surface of the output flange plate (1).
6. The rear sub-tank assembly with an oil seal lubricating function as claimed in claim 5, wherein: the front side of the oil guide ring groove (15) is provided with a guide conical surface (16), and the diameter of the outer surface of the front end of the guide conical surface (16) is smaller than the diameter of the outer circle of the oil seal installation matching section (11).
7. The rear sub-tank assembly with an oil seal lubricating function as claimed in claim 6, wherein: and two ends of the oil guide ring groove (15) are provided with fillets (17).
8. The rear sub-tank assembly with an oil seal lubricating function as claimed in claim 7, wherein: the oil passing hole (13) is adjacent to the output shaft oil seal (2) and is positioned on the front side of the output shaft oil seal (2).
9. The rear sub-tank assembly with an oil seal lubricating function as claimed in claim 2, wherein: and a sealing ring (5) is arranged between the rear end of the output shaft (62) and the inner annular surface of the output flange plate (1).
10. The rear sub-tank assembly with an oil seal lubricating function as claimed in claim 2, wherein: and a pressing plate mounting plane (19) for mounting the pressing plate (10) is arranged at the rear end of the mounting section (12) of the output flange plate (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022580241.1U CN214146502U (en) | 2020-11-10 | 2020-11-10 | Output flange plate and rear auxiliary box assembly with oil seal lubricating function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022580241.1U CN214146502U (en) | 2020-11-10 | 2020-11-10 | Output flange plate and rear auxiliary box assembly with oil seal lubricating function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214146502U true CN214146502U (en) | 2021-09-07 |
Family
ID=77562812
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022580241.1U Active CN214146502U (en) | 2020-11-10 | 2020-11-10 | Output flange plate and rear auxiliary box assembly with oil seal lubricating function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214146502U (en) |
-
2020
- 2020-11-10 CN CN202022580241.1U patent/CN214146502U/en active Active
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