CN211039596U - Transmission oil pumping device - Google Patents
Transmission oil pumping device Download PDFInfo
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- CN211039596U CN211039596U CN201921606826.7U CN201921606826U CN211039596U CN 211039596 U CN211039596 U CN 211039596U CN 201921606826 U CN201921606826 U CN 201921606826U CN 211039596 U CN211039596 U CN 211039596U
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Abstract
The utility model discloses a transmission oil pumping device, which is provided with a nozzle, a choke and a spray pipe in two transmission cavities, pressure oil transmitted by an oil pump is sprayed out through the nozzle, the oil outlet of the nozzle forms vacuum locally, and liquid oil in a first transmission cavity is sucked into a second transmission cavity through the choke and the spray pipe; when the speed changer works, when the liquid oil in one speed changer cavity submerges the nozzle, the nozzle sucks the liquid oil of the oil pan of the first speed changer cavity into the second speed changer cavity, so that the liquid level of the first speed changer cavity is always lower than that of the second speed changer cavity, the oil filling amount of the speed changer can be reduced, the weight and the cost of the speed changer can be reduced, the oil stirring loss can be reduced, the transmission efficiency is improved, and the oil-filled speed changer can be widely applied to various speed changers; the device can reduce the oil filling amount of the transmission and improve the transmission efficiency, and is suitable for the transmission with a pressure oil path and a plurality of cavities (or similar structures).
Description
[ technical field ] A method for producing a semiconductor device
The utility model belongs to the technical field of the derailleur, concretely relates to derailleur oil jack.
[ background of the invention ]
With the continuous development of the domestic automotive industry, automotive transmissions have evolved from traditional manual transmissions to modern automatic and continuously variable transmissions for the purpose of increasing service life and performance, reducing weight and noise, and optimizing maneuverability. Therefore, the hydraulic system is widely applied to various transmissions, provides pressure oil with certain working pressure for the transmissions, is a power source in the transmissions, and can ensure the lubrication, heat dissipation and normal operation of control mechanisms and actuating mechanisms of transmission parts. Therefore, sufficient hydraulic oil needs to be present inside the transmission to ensure operation of the transmission.
However, in the transmission with a pressure oil path and a plurality of cavities (or similar structures), the following defects can be caused due to the existence of the oil in the transmission: (1) the liquid level of the liquid oil in the cavity of the speed changer is consistent, so that the weight of the speed changer is increased, and the cost is increased; (2) when the transmission works, the transmission efficiency of the transmission is reduced due to the oil stirring loss of the gears and the dragging loss of the clutch.
[ Utility model ] content
The utility model aims to overcome the defects of the prior art and provide a transmission oil pumping device; the multi-cavity transmission device is used for solving the defects that the weight of the transmission is increased and the transmission efficiency of the transmission is reduced due to the fact that liquid oil in the multi-cavity transmission device.
In order to achieve the above purpose, the utility model adopts the following technical scheme to realize:
a transmission oil pumping device comprises a first transmission cavity, a second transmission cavity and an oil pump, wherein a nozzle is fixedly arranged in the first transmission cavity, an oil outlet of the nozzle is inserted into an oil inlet of a throat pipe, and the cross sectional area of the oil inlet is larger than that of the oil outlet; an oil outlet of the throat pipe is communicated to a spray pipe, the spray pipe is arranged in the second transmission cavity, and an outlet of the spray pipe is arranged above the liquid oil in the second transmission cavity; the nozzle and the oil inlet are soaked in the liquid oil in the first transmission cavity;
an oil inlet of the oil pump is communicated to the liquid oil in the second transmission cavity, and an oil outlet of the oil pump is communicated with an oil inlet of the nozzle.
The utility model discloses a further improvement lies in:
preferably, an oil pan is arranged at the bottom in the cavity of the second transmission, and an oil inlet of the oil pump is communicated with the oil pan through an oil pumping pipeline.
Preferably, an oil outlet of the oil pump is connected with a lubricating system, an execution system and a pressure oil path branch in parallel, and the pressure oil path branch is communicated to an oil inlet of the nozzle.
Preferably, the first transmission cavity and the second transmission cavity are adjacently arranged, and adjacent side walls of the first transmission cavity and the second transmission cavity are fixedly connected to form a common side wall.
Preferably, the oil inlet of the throat is in the first variator cavity, the throat passes through the common side wall and the oil outlet of the throat is in the second variator cavity.
Preferably, a sealing member is fixedly arranged on the common side wall, and the sealing member is arranged around the circumference of the throat pipe.
Preferably, the oil outlet is a bulge protruding towards the direction of the oil inlet, and the diameter of the oil outlet is smaller than that of the nozzle main body.
Preferably, the nozzle is fixedly connected with the housing of the first transmission cavity; the throat is fixedly arranged on the first transmission cavity and/or the second transmission cavity; the spray pipe is fixedly connected with the second transmission cavity.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model discloses a transmission oil pumping device, which is provided with a nozzle, a choke and a spray pipe in two transmission cavities, pressure oil transmitted by an oil pump is sprayed out through the nozzle, the oil outlet of the nozzle forms vacuum locally, and liquid oil in a first transmission cavity is sucked into a second transmission cavity through the choke and the spray pipe; when the speed changer works, when the liquid oil in one speed changer cavity submerges the nozzle, the nozzle sucks the liquid oil of the oil pan of the first speed changer cavity into the second speed changer cavity, so that the liquid level of the first speed changer cavity is always lower than that of the second speed changer cavity, the oil filling amount of the speed changer can be reduced, the weight and the cost of the speed changer can be reduced, the oil stirring loss can be reduced, the transmission efficiency is improved, and the oil-filled speed changer can be widely applied to various speed changers; the device can reduce the oil filling amount of the transmission and improve the transmission efficiency, and is suitable for the transmission with a pressure oil path and a plurality of cavities (or similar structures).
Further, the bottom of the second transmission is provided with an oil pan which is specially used for providing liquid oil for the oil pumping pipeline.
Furthermore, in the prior art, the outlet of the oil pump is connected with a lubricating system and an executing system to provide liquid oil for the lubricating system and the executing system; the improvement on the existing equipment is small in modification and low in cost.
Furthermore, the adjacent side walls of the first transmission cavity and the second transmission cavity are fixedly connected, so that the throat pipe is convenient to fixedly arrange and seal.
Furthermore, the common side wall is provided with a sealing piece around the throat pipe, so that the liquid oil between different cavities can be kept independent.
Furthermore, the diameter of the oil outlet is smaller than that of the nozzle body, and the pressure of the liquid oil sprayed out of the oil outlet is improved under the condition that the speed of the liquid oil under pressure is unchanged.
Furthermore, the nozzle is fixedly arranged on the shell of the first transmission cavity to prevent the nozzle from loosening; the choke is fixedly arranged on the shell of the cavity of the transmission to prevent the choke from moving; the spray pipe is fixedly arranged on the transmission shell, so that the spray pipe is prevented from shaking to impact other parts to generate noise; in the specific installation process, the three structural members are directly and fixedly installed on the transmission shell according to the existing shell shape in the transmission cavity.
[ description of the drawings ]
Fig. 1 is a schematic structural view of the present invention;
wherein: 1-nozzle, 2-throat, 3-nozzle, 4-sealing piece, 5-oil pump, 6-first transmission cavity and 7-second transmission cavity; 8-common side wall; 9-oil pan; 10-oil pumping pipeline; 11-pressure oil path branch; 12-a lubrication system; 13-an execution system; 1-1-oil outlet; 2-1-oil suction port.
[ detailed description ] embodiments
The present invention will be described in further detail with reference to the accompanying drawings:
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; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly and encompass, for example, both fixed and removable connections; 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.
Referring to fig. 1, the utility model discloses an oil pumping device, which comprises a nozzle 1, a choke 2, a spray pipe 3, a sealing element 4 and an oil pump 5; the oil pumping device is arranged in a transmission, the transmission comprises a plurality of working cavities, and two transmission cavities, namely a first transmission cavity 6 and a second transmission cavity 7, are arranged in the embodiment; two adjacent settings of derailleur cavity are inside the derailleur, adjacent casing is sharing lateral wall 8, different according to derailleur intracavity device, need liquid oil in the partial derailleur cavity, partial derailleur cavity does not need liquid oil, in this embodiment, the liquid oil volume that does not need in the first derailleur cavity 6, device in the second derailleur cavity 7 needs liquid oil, but the derailleur is at the operation in-process, because partial position can't avoid having the oil leak phenomenon, perhaps can bring liquid oil into in the transmission in-process and get into first derailleur cavity 6, make the liquid oil in the first derailleur cavity 6 can increase gradually, consequently set up this oil jack.
The first transmission cavity 6 and the second transmission cavity 7 are arranged adjacently, and the adjacent wall surfaces of the first transmission cavity 6 and the second transmission cavity 7 are fixedly attached and connected to form a shared side wall 8; a nozzle 1 is arranged in the first transmission cavity 6, the throat 2 penetrates through the shared side walls 8 of the two transmission cavities, an oil suction port of the throat 2 is arranged in the first transmission cavity 6, and an oil outlet of the throat 2 is arranged in the second transmission cavity 7; an oil outlet 1-1 protruding towards the throat pipe 2 is arranged at the oil outlet end of the nozzle 1, the diameter of the oil outlet 1-1 is smaller than that of the nozzle 1, and the oil outlet 1-1 is inserted into an oil suction port 2-1 of the throat pipe 2; the main pipeline from the oil suction port 2-1 of the throat pipe 2 to the throat pipe 2 is of a reduction type, and the diameter is gradually reduced; the cross section area of the oil suction port 2-1 is larger than that of the oil outlet port 1-1, and the nozzle 1, the oil suction port 2-1 and the oil outlet port 1-1 are coaxially arranged; the cross section area of the oil suction port 2-1 is larger than that of the oil outlet port 1-1, so that the oil suction port 2-1 of the throat pipe 2 can suck liquid oil; the nozzle 1 is fixedly connected with a shell of the first transmission cavity 6, so that the nozzle is prevented from loosening; the oil inlet of the nozzle 1 is communicated with a pressure oil path branch 11 of the oil pump 5, so that the speed of the oil outlet 1-1 of the nozzle 1 is constant; in the oil suction process, the oil inlets of the whole nozzle 1 and the throat 2 are immersed in the liquid oil in the first transmission cavity 6.
A spray pipe 3 is arranged in the second transmission cavity 6, the spray pipe 3 is of a bent structure, an oil outlet of the throat pipe 2 is arranged in the second transmission cavity 7, an oil suction port of the spray pipe 3 is communicated with the oil outlet of the throat pipe 2, and the oil outlet of the spray pipe 3 is arranged above liquid oil in the second transmission cavity 7, so that the liquid oil is ensured not to flow back into the spray pipe 3 from the oil outlet of the spray pipe 3; the throat pipe 2 is connected with the spray pipe 3 to form an injection pipe assembly, the throat pipe 2 is fixedly arranged on a transmission shell to prevent the throat pipe from moving, and the spray pipe 3 is fixedly arranged on the transmission shell to prevent the spray pipe from shaking and impacting other parts to generate noise.
And sealing elements 4 are arranged on the shared side wall 8 of the first transmission cavity 6 and the second transmission cavity 7 and around the throat pipe 2, so that liquid oil is prevented from entering the first transmission cavity 6 from the second transmission cavity 7, and liquid levels of different transmission cavities are kept independent. An oil pan 9 is arranged at the bottom of the second transmission cavity 7, an oil pumping pipeline 10 is communicated in the oil pan 9, and an oil outlet port of the oil pumping pipeline 10 is connected to an oil pump 5 outside the transmission cavity; in current structure, the delivery end of oil pump 5 has the actuating system 13 of lubricating system 12 and derailleur in parallel for the two provides the liquid oil, the utility model discloses in, the branch road of drawing forth of the delivery end of oil pump 5 sets up pressure oil circuit branch 11, and pressure oil circuit branch 11 and actuating system 13 of lubricating system 12 and derailleur connect in parallel at the delivery end of oil pump 5, and the delivery end of pressure oil circuit branch 11 and the oil inlet intercommunication of nozzle 1.
In the utility model, the oil outlet speed of the oil outlet 1-1 can be changed by changing the diameter of the oil outlet 1-1 of the nozzle 1, so as to adjust the vacuum degree in the throat pipe 2 and ensure the oil absorption speed of the throat pipe 2; the oil suction speed of the throat pipe 2 can be ensured by changing the diameter of the oil inlet of the throat pipe 2; under the condition of the existing nozzle 1 and throat pipe 2, the oil pressure of an oil inlet of the nozzle 1 and the relative position relation of the nozzle 1 and the throat pipe 2 along the axial direction are changed, and the required oil absorption speed is obtained within proper energy consumption; the spray pipe 3 is of a bending structure, and the inclination angle of the bending part of the spray pipe 3 and the diameter of the spray pipe 3 are adjusted, so that the ideal spray speed of the oil outlet of the spray pipe can be obtained.
The liquid oil sucked by the throat pipe 2 flows out of the spray pipe 3 to an oil pan of the second transmission cavity 7, and is sucked into the oil pump 5 through an oil suction port at the bottom of the second transmission cavity 7, and the operation is repeated in a circulating mode.
The utility model provides a reduce derailleur oil charge, promote transmission efficiency's beam-pumping unit is applicable to the derailleur of taking pressure oil circuit and a plurality of cavitys (or similar structure). The oil pumping device is designed by adopting a pumping principle, under a normal condition, no liquid oil exists in the first transmission cavity 6, the oil pumping device does not operate, the liquid oil in the first transmission cavity 1 is continuously increased along with the operation of the transmission, and when the liquid oil in the first transmission cavity 1 submerges the nozzle 1, the oil pumping device is started; the operation process of oil pumping is as follows: the pressure oil transmitted by the oil pump 5 is sprayed out through the nozzle 1, the oil outlet of the nozzle 1 is locally vacuumized, and the liquid oil in the first transmission cavity 6 is sucked into the second transmission cavity 7 through the throat pipe 2 and the spray pipe 3; when the transmission works, when the nozzle 1 is submerged by the liquid oil in the first transmission cavity 1, the liquid oil in the oil pan of the first transmission cavity 6 is sucked into the second transmission cavity 7 all the time, so that the liquid level of the first transmission cavity 6 is lower than that of the second transmission cavity 7 all the time, the oil filling amount of the transmission can be reduced, the weight and the cost of the transmission are reduced, the oil stirring loss can be reduced, the transmission efficiency is improved, and the oil-stirring type transmission can be widely applied to various transmissions.
Through adopting the technical scheme, the utility model has the advantages of compact overall structure, adopt simple independent nozzle 1 and injection pipe assembly, pressure oil through derailleur oil pump 5 provides, utilize the pump to inhale second derailleur cavity 7 with 6 liquid oil of first derailleur cavity of the pump principle of pumping, make 6 liquid levels of first derailleur cavity be less than second derailleur cavity 7 all the time, reduce the derailleur volume of adding oil, reduce cost, and make 6 oil losses that stir of first derailleur cavity reduce, improve derailleur transmission efficiency, and overall structure workable and assembly, it is with low costs.
The utility model discloses pumping unit working method as follows:
when the transmission works, when the nozzle 1 is submerged by the liquid oil in the first transmission cavity 1, the pressure oil output by the oil pump 5 enters the oil inlet of the nozzle 1 through the oil duct (or oil pipe) of the pressure oil path branch 11 and is sprayed out from the oil outlet of the nozzle 1, the oil outlet of the nozzle 1 is locally vacuumized, the liquid oil in the first transmission cavity 6 is sucked into the oil inlet 2-1 of the throat pipe 2 under the action of oil pressure, and is finally sprayed out from the oil outlet of the spray pipe 3 and enters the second transmission cavity 7, so that the liquid level of the first transmission cavity 6 is always at a very low position. By adjusting the position relation of the nozzle 1 and the throat pipe 2, the diameter of the oil outlet of the nozzle 1, the diameter of the oil inlet of the throat pipe 2 and the inclination angle of the spray pipe 3, the ideal oil absorption speed of the oil pumping device can be obtained.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A transmission oil pumping device is characterized by comprising a first transmission cavity (6), a second transmission cavity (7) and an oil pump (5), wherein a nozzle (1) is fixedly arranged in the first transmission cavity (6), an oil outlet (1-1) of the nozzle (1) is inserted into an oil inlet (2-1) of a throat pipe (2), and the cross sectional area of the oil inlet (2-1) is larger than that of the oil outlet (1-1); an oil outlet of the throat pipe (2) is communicated to the spray pipe (3), the spray pipe (3) is arranged in the second transmission cavity (7), and an outlet of the spray pipe (3) is arranged above the liquid oil in the second transmission cavity (7); the nozzle (1) and the oil inlet (2-1) are soaked in the liquid oil of the first transmission cavity (6);
an oil inlet of the oil pump (5) is communicated to the liquid oil in the second transmission cavity (7), and an oil outlet of the oil pump (5) is communicated with an oil inlet of the nozzle (1).
2. The oil pumping device for the transmission according to claim 1, characterized in that an oil pan (9) is arranged at the bottom inside the second transmission cavity (7), and the oil inlet of the oil pump (5) is communicated with the oil pan (9) through an oil pumping pipeline (10).
3. The oil pumping device of the transmission according to claim 1, characterized in that an oil outlet of the oil pump (5) is connected in parallel with a lubricating system (12), an actuating system (13) and a pressure oil path branch (11), and the pressure oil path branch (11) is communicated to an oil inlet of the nozzle (1).
4. The pumping unit according to claim 1, wherein the first transmission chamber (6) and the second transmission chamber (7) are disposed adjacent to each other, and their adjacent sidewalls are fixedly connected to form a common sidewall (8).
5. The transmission pumping unit according to claim 4, characterized in that the throat (2) has its oil inlet (2-1) in the first transmission cavity (6), the throat (2) passes through the common side wall (8), and the throat (2) has its oil outlet in the second transmission cavity (7).
6. A transmission pumping unit according to claim 5, characterized in that the common side wall (8) is fixedly provided with a sealing element (4), and the sealing element (4) is arranged around the circumference of the throat (2).
7. The oil pumping device for the transmission as claimed in claim 1, characterized in that the oil outlet (1-1) is a bulge protruding towards the oil inlet (2-1), and the diameter of the oil outlet (1-1) is smaller than that of the main body of the nozzle (1).
8. The transmission pumping unit according to claim 1, wherein the nozzle (1) is fixedly connected with the housing of the first transmission cavity (6); the throat pipe (2) is fixedly arranged on the first transmission cavity (6) and/or the second transmission cavity (7); the spray pipe (3) is fixedly connected with the second transmission cavity (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921606826.7U CN211039596U (en) | 2019-09-25 | 2019-09-25 | Transmission oil pumping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921606826.7U CN211039596U (en) | 2019-09-25 | 2019-09-25 | Transmission oil pumping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211039596U true CN211039596U (en) | 2020-07-17 |
Family
ID=71566192
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921606826.7U Withdrawn - After Issue CN211039596U (en) | 2019-09-25 | 2019-09-25 | Transmission oil pumping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211039596U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110594390A (en) * | 2019-09-25 | 2019-12-20 | 西安法士特汽车传动有限公司 | Transmission oil pumping device and using method thereof |
-
2019
- 2019-09-25 CN CN201921606826.7U patent/CN211039596U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110594390A (en) * | 2019-09-25 | 2019-12-20 | 西安法士特汽车传动有限公司 | Transmission oil pumping device and using method thereof |
| CN110594390B (en) * | 2019-09-25 | 2023-09-08 | 西安法士特汽车传动有限公司 | Transmission oil pumping device and application method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20200717 Effective date of abandoning: 20230908 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20200717 Effective date of abandoning: 20230908 |