CN213808577U - Oil return structure, oil seal structure and hydrodynamic retarder - Google Patents
Oil return structure, oil seal structure and hydrodynamic retarder Download PDFInfo
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- CN213808577U CN213808577U CN202022770640.4U CN202022770640U CN213808577U CN 213808577 U CN213808577 U CN 213808577U CN 202022770640 U CN202022770640 U CN 202022770640U CN 213808577 U CN213808577 U CN 213808577U
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Abstract
The utility model relates to a hydraulic retarber field discloses an oil return structure, oil blanket structure and hydraulic retarber. The oil return structure comprises an oil return groove and an oil return hole, and the oil return groove is arranged on the rotor shell of the hydraulic retarder and is positioned between the transmission and the oil seal body of the rotor shell; the oil return hole is obliquely arranged on the rotor shell, one end of the oil return hole is communicated with the oil return groove, and the other end of the oil return hole is communicated with an oil pool of the transmission. At the derailleur during operation, hydraulic retarber drive gear is rotatory, get rid of the fluid of derailleur, the last oil groove that connects of rotor housing catches fluid, fluid is with the trend down, lubricate the oil blanket body of derailleur side, unnecessary fluid flows into the oil gallery, and flow back to the oil sump of derailleur through the oil gallery, can flow back unnecessary fluid in the rotor housing to the derailleur oil sump in, muffler department oil spout after avoiding the hydraulic retarber oil mass to be excessive, the oil blanket department oil deposit problem has been solved, the oil blanket body life of derailleur side has been improved.
Description
Technical Field
The utility model relates to a hydraulic retarber field especially relates to an oil return structure, oil blanket structure and hydraulic retarber.
Background
The hydraulic retarder is an auxiliary braking device for motor vehicles, mainly comprising a stator impeller, a rotor impeller, a retarder shell, a working cavity, a heat exchanger and an oil tank, essentially a rotary damping device, wherein the rotor impeller is used for driving working fluid to impact with the stator impeller to generate reverse vortex torque, kinetic energy of the vehicle is converted into heat energy of the working fluid, and then the vehicle is decelerated. The working fluid of the working cavity enters the heat exchanger through the oil outlet of the retarder under the driving of the rotor impeller to perform oil-water heat exchange, and then flows back to the working cavity from the oil inlet, so that the heat energy of the working fluid is taken away by cooling water from an engine cooling system in a heat exchanger cooling mode.
In the actual operation of part hydraulic retarber, oil spout phenomenon appears in muffler department, and the reason is that the oil channeling appears after the retarber derailleur side oil blanket damages, leads to hydraulic retarber oil mass excess, leads to muffler department oil spout behind the retarber oil mass excess.
SUMMERY OF THE UTILITY MODEL
Based on above problem, the utility model aims to provide an oil return structure, oil blanket structure and hydraulic retarber can avoid the excessive back muffler of hydraulic retarber oil mass department oil spout in can flowing back unnecessary fluid to the derailleur oil bath in the rotor housing.
In order to achieve the purpose, the utility model adopts the following technical proposal:
an oil return structure comprising:
the oil return groove is arranged on a rotor shell of the hydraulic retarder and is positioned between the transmission and an oil seal body of the rotor shell;
and the oil return hole is obliquely arranged on the rotor shell, one end of the oil return hole is communicated with the oil return groove, and the other end of the oil return hole is communicated with an oil pool of the transmission.
As the utility model discloses an oil return structure's preferred scheme, be provided with the oil blanket mounting groove on the rotor housing, the oil blanket mounting groove is used for the installation the oil blanket body.
As the utility model discloses an oil return structure's preferred scheme, the oil gallery is seted up in the second stair structure department of side below of oil blanket mounting groove.
As the utility model discloses an oil return structure's preferred scheme, the oil gallery is U style of calligraphy structure.
As the utility model discloses an oil return structure's preferred scheme, last being provided with of rotor housing connects the oil groove, the notch direction that connects the oil groove deviates from rotor housing's axis setting.
As the utility model discloses an oil return structure's preferred scheme, the lateral wall slope that connects the oil groove sets up.
As the utility model discloses an oil return structure's preferred scheme, the central line of oil gallery with the central line that connects the oil groove is the contained angle setting.
As the utility model discloses an oil return structure's preferred scheme, the central line of oil gallery with the contained angle that connects the central line of oil sump is 10.
An oil seal structure comprises the oil return structure.
A hydraulic retarder comprises the oil return structure.
The utility model has the advantages that:
the utility model provides an oil return structure, oil blanket structure and hydraulic retarber, the oil return tank sets up on the rotor casing of hydraulic retarber to be located between the oil blanket body of derailleur and rotor casing; the oil return hole is obliquely arranged on the rotor shell, one end of the oil return hole is communicated with the oil return groove, and the other end of the oil return hole is communicated with an oil pool of the transmission. At the derailleur during operation, hydraulic retarber drive gear is rotatory, get rid of the fluid of derailleur, the last oil groove that connects of rotor housing catches fluid, fluid is along the trend and flows down, lubricate the oil blanket body of derailleur side, unnecessary fluid flows into the oil gallery, and flow back to the oil bath of derailleur through the oil gallery, fluid obtains cyclic utilization, can flow back unnecessary fluid to the derailleur oil bath in the rotor housing, muffler department oil spout after avoiding the hydraulic retarber oil mass is excessive, the oil blanket department oil storage problem has been solved, the oil blanket body life of derailleur side has been improved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the contents of the embodiments of the present invention and the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an oil return structure provided in an embodiment of the present invention;
fig. 2 is a schematic cross-sectional view of an oil return structure according to an embodiment of the present invention.
In the figure:
1-an oil return groove; 2-oil return hole; 3-oil seal mounting groove; 4-oil receiving groove;
100-rotor housing.
Detailed Description
In order to make the technical problems, technical solutions and technical effects achieved by the present invention more clear, the embodiments of the present invention will be described in further detail with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments, not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first position" and "second position" are two different positions.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1 and 2, the present embodiment provides an oil return structure, which includes an oil return groove 1 and an oil return hole 2. The oil return groove 1 is arranged on a rotor housing 100 of the hydrodynamic retarder and is positioned between the transmission and an oil seal body of the rotor housing 100; the oil return hole 2 is obliquely arranged on the rotor shell 100, one end of the oil return hole 2 is communicated with the oil return groove 1, and the other end of the oil return hole 2 is communicated with an oil pool of the transmission.
At the derailleur during operation, hydraulic retarber drive gear is rotatory, get rid of the fluid of derailleur, rotor housing 100 is last to connect oil groove 4 to catch fluid, fluid is along the trend down, lubricate the oil blanket body of derailleur side, unnecessary fluid flows into oil gallery 1, and flow back to the oil bath of derailleur through oil gallery 2, fluid obtains cyclic utilization, can flow back unnecessary fluid in rotor housing 100 to the derailleur oil bath, avoid the excessive back muffler of hydraulic retarber oil mass department oil spout, the oil blanket department oil storage problem has been solved, the oil blanket body life of derailleur side has been improved.
To facilitate installation of the oil seal body, optionally, an oil seal mounting groove 3 is provided on the rotor case 100, and the oil seal mounting groove 3 is used for installing the oil seal body. In order to facilitate the flowing of the redundant oil into the oil return groove 1, the oil return groove 1 is optionally arranged at the second step structure below the side of the oil seal installation groove 3. In order to ensure that the oil smoothly flows into the oil return groove 1, the oil return groove 1 is optionally in a U-shaped structure. That is, the notch of the oil return groove 1 is provided with a round corner structure.
In order to conveniently receive oil thrown up by the gear, an oil receiving groove 4 is optionally arranged on the rotor shell 100, and the direction of the notch of the oil receiving groove 4 is away from the axis of the rotor shell 100. In order to facilitate the gliding of the oil along the trend, the side wall of the oil receiving groove 4 is optionally arranged in an inclined manner. Optionally, the center line of the oil returning groove 1 and the center line of the oil receiving groove 4 are arranged at an included angle to adapt to the rotation of the rotor housing 100. To adapt to the rotation speed of the rotor housing 100, the angle between the center line of the oil return groove 1 and the center line of the oil receiving groove 4 is optionally 10 °.
The utility model provides an oil return structure, at derailleur during operation, hydraulic retarber drive gear is rotatory, get rid of the fluid of derailleur, rotor housing 100 is last to connect oil groove 4 to catch fluid, the fluid flows down along the trend, oil blanket body to the derailleur side is lubricated, unnecessary fluid flows in oil gallery 1, and flow back to the oil bath of derailleur through oil gallery 2, fluid obtains cyclic utilization, can flow back unnecessary fluid in rotor housing 100 to the derailleur oil bath, muffler department oil spout after avoiding the excessive hydraulic oil mass of retarder, the oil blanket department oil deposit problem has been solved, the oil blanket body life of derailleur side has been improved.
The embodiment also provides an oil blanket structure, including foretell oil return structure, fluid obtains cyclic utilization, can with in rotor housing 100 unnecessary fluid backward flow to the derailleur oil bath, avoid hydraulic retarber oil mass excessive back muffler department oil spout, solved oil blanket department trapped fuel problem, improved the oil blanket body life of derailleur side.
The embodiment also provides a hydraulic retarber, including foretell oil return structure, fluid obtains cyclic utilization, can with in rotor housing 100 unnecessary fluid backward flow to derailleur oil bath, avoids the excessive back muffler of hydraulic retarber oil mass department oil spout, has solved oil blanket department trapped fuel problem, has improved the oil blanket body life of derailleur side.
It should be noted that the foregoing is only a preferred embodiment of the present invention and the technical principles applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments illustrated herein, but is capable of various obvious modifications, rearrangements and substitutions without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.
Claims (10)
1. An oil return structure, characterized by comprising:
the oil return groove (1) is arranged on a rotor shell (100) of the hydrodynamic retarder and is positioned between the transmission and an oil seal body of the rotor shell (100);
the oil return hole (2) is obliquely arranged on the rotor shell (100), one end of the oil return hole (2) is communicated with the oil return groove (1), and the other end of the oil return hole (2) is communicated with an oil pool of the transmission.
2. The oil return structure according to claim 1, wherein an oil seal mounting groove (3) is provided on the rotor housing (100), and the oil seal mounting groove (3) is used for mounting the oil seal body.
3. The oil return structure according to claim 2, wherein the oil return groove (1) opens at a second step structure below the side of the oil seal mounting groove (3).
4. The oil return structure according to claim 3, characterized in that the oil return grooves (1) are of a U-shaped configuration.
5. The oil return structure according to claim 1, characterized in that an oil receiving groove (4) is arranged on the rotor housing (100), and the direction of the notch of the oil receiving groove (4) is away from the axis of the rotor housing (100).
6. Oil return structure according to claim 5, characterized in that the side walls of the oil receiving groove (4) are arranged obliquely.
7. The oil return structure according to claim 5, characterized in that the center line of the oil return groove (1) and the center line of the oil receiving groove (4) are arranged at an included angle.
8. The oil return structure according to claim 7, characterized in that the angle between the center line of the oil return groove (1) and the center line of the oil receiving groove (4) is 10 °.
9. An oil seal structure characterized by comprising the oil return structure according to any one of claims 1 to 8.
10. A hydrodynamic retarder, characterized in that it comprises an oil return structure according to any one of claims 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022770640.4U CN213808577U (en) | 2020-11-25 | 2020-11-25 | Oil return structure, oil seal structure and hydrodynamic retarder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022770640.4U CN213808577U (en) | 2020-11-25 | 2020-11-25 | Oil return structure, oil seal structure and hydrodynamic retarder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213808577U true CN213808577U (en) | 2021-07-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022770640.4U Active CN213808577U (en) | 2020-11-25 | 2020-11-25 | Oil return structure, oil seal structure and hydrodynamic retarder |
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| Country | Link |
|---|---|
| CN (1) | CN213808577U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115163698A (en) * | 2022-06-02 | 2022-10-11 | 阜新德尔汽车部件股份有限公司 | Shafting lubricating structure of parallel hydraulic retarder |
-
2020
- 2020-11-25 CN CN202022770640.4U patent/CN213808577U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115163698A (en) * | 2022-06-02 | 2022-10-11 | 阜新德尔汽车部件股份有限公司 | Shafting lubricating structure of parallel hydraulic retarder |
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