CN212928718U - Transmission housing integrated with oil pump - Google Patents
Transmission housing integrated with oil pump Download PDFInfo
- Publication number
- CN212928718U CN212928718U CN202021082904.0U CN202021082904U CN212928718U CN 212928718 U CN212928718 U CN 212928718U CN 202021082904 U CN202021082904 U CN 202021082904U CN 212928718 U CN212928718 U CN 212928718U
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- CN
- China
- Prior art keywords
- mechanical pump
- housing
- oil
- transmission
- transmission housing
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 48
- 239000003921 oil Substances 0.000 claims description 45
- 230000007246 mechanism Effects 0.000 claims description 10
- 239000010720 hydraulic oil Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 2
- 230000010354 integration Effects 0.000 abstract description 2
- 238000007789 sealing Methods 0.000 description 6
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000017525 heat dissipation Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
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- Details And Applications Of Rotary Liquid Pumps (AREA)
Abstract
The utility model relates to an integrated derailleur housing that has oil pump, include: a transmission housing; a mechanical pump comprising a mechanical pump housing, a mechanical pump rotor, and an end cap, the end cap secured to the mechanical pump housing, the mechanical pump rotor connected to an intermediate shaft of a transmission; the mechanical pump housing is integrally formed with the transmission housing. The utility model discloses on well mechanical pump oil duct and mechanical pump casing direct integration gearbox housing, reduced the risk of casing and mechanical pump fitting surface oil leak and reduced mechanical pump casing O shape circle and mechanical pump casing and gearbox housing fixing bolt's assembly, improved the reliability and the cost is reduced.
Description
Technical Field
The utility model belongs to the vehicle field, concretely relates to integrated gearbox housing that has an oil pump.
Background
Oil pumps are common components on vehicles for pumping oil from a tank into various oil circuits. A common pump used in vehicles is a mechanical pump, and one known solution is to mount the mechanical pump on the transmission. Since the mechanical pump and the transmission are separate components, the housing of the mechanical pump is typically fixed to the housing of the transmission by means of connecting bolts. The mechanical pump is provided with an oil duct on the shell, and the gearbox box body is also provided with an oil duct communicated with the oil duct on the mechanical pump shell, and the gearbox shell is connected with the mechanical pump shell through a sealing ring or a connecting oil pipe.
However, this structure has the following disadvantages: 1) sealing is needed, and the sealing of the sealing ring has the risk of leakage; 2) the mechanical pump and the gearbox shell are of a split structure, so that the installation is inconvenient; 3) the axial distance of the mechanical pump is long, so that the transmission occupies a large space on the whole vehicle arrangement.
SUMMERY OF THE UTILITY MODEL
Therefore, the utility model provides a following technical scheme:
a transmission housing integrated with an oil pump, comprising:
a transmission housing;
a mechanical pump comprising a mechanical pump housing, a mechanical pump rotor, and an end cap, the end cap secured to the mechanical pump housing, the mechanical pump rotor connected to an intermediate shaft of a transmission;
the mechanical pump housing is integrally formed with the transmission housing.
The above technical solution may include the following features alone or in combination:
an oil inlet duct and an oil outlet duct are arranged on the transmission shell and are communicated with the mechanical pump;
the transmission shell is also provided with a clutch control oil passage for providing hydraulic oil for controlling the clutch and a mounting hole for mounting a differential;
the part for installing the differential mechanism in the transmission shell is also provided with a raised rib;
the ribs comprise a first rib and a second rib, the first rib is a linear rib which takes the differential mechanism mounting hole as the center and extends in the radial direction, and the second rib is a rib which takes the differential mechanism mounting hole as the center and extends in the arc shape.
According to the above technical scheme, the utility model discloses following technological effect has:
1) the assembly of fixing bolts and sealing rings of the mechanical pump shell and the transmission shell is reduced, the assembly beat is reduced, the cost is reduced, and the assembly is convenient;
2) the axial height of the mechanical pump is reduced, so that the axial distance of the transmission is reduced, and the whole transmission is convenient to arrange;
3) the risk of oil leakage is reduced.
Other advantages of the invention will be more readily understood after reading the detailed description of the technical solution of the invention taken in conjunction with the accompanying drawings.
Drawings
Fig. 1 shows a schematic structural diagram of an integrated external oil pump according to the present invention.
Detailed Description
It should be noted that, although the drawings and the following description describe the present invention as divided into a plurality of embodiments, those skilled in the art will understand that the features of the embodiments and the embodiments in the present application can be combined with each other without conflict.
Referring to fig. 1, the external oil pump of integrated form of the utility model is arranged on the transmission. Specifically, provided on the transmission case 1. The mechanical pump housing 2 is provided as one piece with the housing 1. The mechanical pump comprises a mechanical pump housing 2, a mechanical pump rotor 3 and an end cover 4. The end cover 4 is fixed to the mechanical pump housing 2 by fixing bolts 5, and the mechanical pump rotor 3 is splined to an intermediate shaft (not shown) of the transmission. Thereby, the mechanical pump can be integrated into the transmission. The mechanical pump housing 2 may be formed directly on the transmission housing 1 when it is manufactured.
Preferably, the end cap 4 takes the shape of a square. Four corners of the end cover 4 are provided with threaded holes through which 4 fixing bolts 5 respectively fix the end cover 4 to the mechanical pump housing 2. Of course, the end cap 4 may also take other shapes, such as circular.
As can also be seen from fig. 1, a part for mounting a differential, namely a differential mounting bore 6, is present in the transmission housing 1. The differential mechanism is further provided with raised ribs 7, the ribs can strengthen the strength of a bearing position of the differential mechanism, and the heat dissipation area is increased beneficially, so that heat dissipation is promoted.
Said ribs 7 comprise a first rib 71 and a second rib 72. The first ribs are arc-shaped extending ribs taking the differential mechanism mounting hole as a circle center, and the second ribs are linear ribs radially extending taking the differential mechanism mounting hole as a center.
A rotational speed sensor mounting hole 8 is also provided in the transmission case 1 for mounting a rotational speed sensor for measuring an output.
Further, an oil inlet duct 9 and an oil outlet duct 10 are provided on the transmission housing 1, and the oil inlet duct and the oil outlet duct are communicated with the mechanical pump. Specifically, the oil inlet duct is divided into three sections on the transmission housing 1, and the oil outlet duct is also divided into three sections on the transmission housing 1. Preferably, the three sections of the oil inlet duct and the three sections of the oil outlet duct are respectively parallel.
In addition, a clutch control oil passage 11 is provided in the transmission case 1 to supply hydraulic oil for controlling the clutch.
Preferably, the transmission of the present invention employs a dual clutch unpowered shiftable transmission having two clutches. The gear transmission structure can adopt a planetary gear train and can also adopt a parallel shaft type gear mechanism. The planetary gear train has three members, a first member, a second member and a third member. The three members are a ring gear, a planet carrier and a sun gear, and the number of the planet gears can be three, or more, such as four or less, such as two. When a greater number of planets is used, better load leveling stability is provided, although the cost is increased due to the increased number of components. Further, the planetary gear train may be a planetary gear train of a single planetary gear type, or a planetary gear train of a double planetary gear type, such as a ravigneaux planetary gear train.
The utility model discloses a derailleur can use on the pure electric vehicle. When applied to a purely electric vehicle, an electronic oil pump is also preferably provided. The electronic oil pump can work together with the mechanical pump of the utility model, and also can work alone.
Therefore, the utility model discloses on well mechanical pump oil duct and mechanical pump casing direct integration to gearbox housing, reduced the risk of casing and mechanical pump fitting surface oil leak and reduced mechanical pump casing O shape circle and the assembly of mechanical pump casing and gearbox housing fixing bolt, improved the reliability and the cost is reduced. In addition, due to the integrated design, the axial size of the mechanical pump is shortened, and the whole vehicle is convenient to arrange. One side of the mechanical pump rotor is connected with the transmission through a spline, the mechanical pump is driven to run through the intermediate shaft, and the upper part of the mechanical pump rotor is fixedly sealed through a mechanical pump end cover and a connecting bolt, so that the mechanical pump is easy to assemble.
The utility model discloses a working process does: the mechanical pump rotor is connected with a transmission intermediate shaft through a spline, when the intermediate shaft runs, the rotor starts to work, transmission oil enters a sealing cavity formed by a mechanical pump shell and a mechanical pump end cover through an oil inlet oil duct, and then directly enters the transmission from an oil outlet oil duct through a shell oil duct.
The structure of the embodiments of the present invention has been described in detail, and those skilled in the art can make many changes and modifications to the technical solution of the present invention without departing from the scope of the technical solution of the present invention, or modify the technical solution to equivalent embodiments with equivalent changes. Therefore, any modification, equivalent change and modification of the above embodiments according to the present invention are all within the protection scope of the present invention.
Claims (5)
1. A transmission housing integrated with an oil pump, comprising:
a transmission housing;
a mechanical pump comprising a mechanical pump housing, a mechanical pump rotor, and an end cap, the end cap secured to the mechanical pump housing, the mechanical pump rotor connected to an intermediate shaft of a transmission;
the method is characterized in that:
the mechanical pump housing is integrally formed with the transmission housing.
2. The oil pump integrated transmission housing of claim 1, wherein:
the transmission shell is provided with an oil inlet duct and an oil outlet duct, and the oil inlet duct and the oil outlet duct are communicated with a mechanical pump.
3. An oil pump integrated transmission housing as claimed in claim 1 or 2, wherein:
and a clutch control oil passage for providing hydraulic oil for controlling the clutch and a mounting hole for mounting the differential are also arranged on the transmission shell.
4. An oil pump integrated transmission housing as claimed in claim 1 or 2, wherein:
in the transmission housing, the part for mounting the differential is also provided with raised ribs.
5. The oil pump integrated transmission housing of claim 4, wherein:
the ribs comprise a first rib and a second rib, the first rib is a linear rib which takes the differential mechanism mounting hole as the center and extends in the radial direction, and the second rib is a rib which takes the differential mechanism mounting hole as the center and extends in the arc shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021082904.0U CN212928718U (en) | 2020-06-12 | 2020-06-12 | Transmission housing integrated with oil pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021082904.0U CN212928718U (en) | 2020-06-12 | 2020-06-12 | Transmission housing integrated with oil pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212928718U true CN212928718U (en) | 2021-04-09 |
Family
ID=75322643
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021082904.0U Active CN212928718U (en) | 2020-06-12 | 2020-06-12 | Transmission housing integrated with oil pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212928718U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116241458A (en) * | 2021-12-07 | 2023-06-09 | 安徽威灵汽车部件有限公司 | Pump assembly and vehicle |
| CN118328135A (en) * | 2024-06-07 | 2024-07-12 | 比亚迪股份有限公司 | Speed reducer and electric vehicle |
-
2020
- 2020-06-12 CN CN202021082904.0U patent/CN212928718U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116241458A (en) * | 2021-12-07 | 2023-06-09 | 安徽威灵汽车部件有限公司 | Pump assembly and vehicle |
| CN116241458B (en) * | 2021-12-07 | 2025-06-24 | 安徽威灵汽车部件有限公司 | Pump assembly and vehicle |
| CN118328135A (en) * | 2024-06-07 | 2024-07-12 | 比亚迪股份有限公司 | Speed reducer and electric vehicle |
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