CN216895697U - Structure is stored to electricelectric power unit gear oil subregion - Google Patents
Structure is stored to electricelectric power unit gear oil subregion Download PDFInfo
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- CN216895697U CN216895697U CN202122771206.2U CN202122771206U CN216895697U CN 216895697 U CN216895697 U CN 216895697U CN 202122771206 U CN202122771206 U CN 202122771206U CN 216895697 U CN216895697 U CN 216895697U
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- Y02T10/64—Electric machine technologies in electromobility
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Abstract
The utility model provides a partitioned storage structure for gear oil of a pure electric power assembly, which belongs to the field of machinery and comprises a reduction gearbox and a high-temperature box; the high-temperature box is connected with the motor and used for receiving gear oil flowing through the motor; the high-temperature box is arranged in the reduction gearbox, and the high-temperature box is communicated with the reduction gearbox; the high-temperature box is communicated with the circulating mechanism. According to the partitioned storage structure for the gear oil of the pure electric power assembly, provided by the utility model, the high-temperature gear oil passing through the motor directly enters the high-temperature storage area, so that the high-temperature gear oil is prevented from participating in splash lubrication, and the problem of poor gear lubrication is solved.
Description
Technical Field
The utility model relates to the field of machinery, in particular to a partitioned storage structure of gear oil of a pure electric power assembly.
Background
The gear oil mainly refers to lubricating oil for a transmission and a rear axle, and has different use conditions, self components and use performance from engine oil, and the gear oil mainly plays a role in lubricating gears and bearings, preventing abrasion and corrosion, helping the gears to dissipate heat and the like. The gear oil of the automobile is used in gear transmission mechanisms such as automobile steering gears, speed changers, drive axles and the like, and plays an important role in lubrication, wear resistance, cooling, heat dissipation, corrosion prevention, rust prevention, washing, reduction of tooth surface impact, noise and the like of gears due to high surface pressure during gear transmission.
At present, the pure electric power assembly adopting an oil-cooled motor is adopted, heat generated by the motor is taken away through circulation of gear oil, the gear oil passing through the motor is larger than 120 ℃ under certain working conditions, the moderate temperature of the viscosity of the gear oil is about 80 ℃, the viscosity of the gear oil is reduced due to high temperature, and the problem of poor gear lubrication is easily caused once the low-viscosity gear oil in a high-temperature state directly flows into a splashing lubrication area of a speed reducer.
In view of the above, the present invention is particularly proposed.
SUMMERY OF THE UTILITY MODEL
The utility model provides a pure electric power assembly gear oil partitioned storage structure, which aims to solve the problem of poor gear lubrication caused by the participation of high-temperature gear oil in splash lubrication.
In order to solve the problems, the utility model adopts the following scheme:
a gear oil partitioned storage structure of a pure electric power assembly comprises a reduction box and a high-temperature box;
the high-temperature box is connected with the motor and used for receiving gear oil flowing through the motor;
the high-temperature box is arranged in the reduction gearbox, and the high-temperature box is communicated with the reduction gearbox; the high-temperature box is communicated with the circulating mechanism.
The high-temperature box is connected with the motor and used for receiving the gear oil flowing through the motor, and the high-temperature gear oil generated in the motor can directly enter the high-temperature box first, so that the high-temperature gear oil is prevented from entering the reduction gearbox to participate in splash lubrication; the high-temperature box is arranged in the reduction gearbox, the high-temperature box is communicated with the reduction gearbox, and gear oil in the high-temperature box enters the speed reducer from through holes of the high-temperature box and the reduction gearbox and does not participate in splash lubrication; the high-temperature box is communicated with the circulating mechanism, one part of high-temperature gear oil enters the reduction gearbox, and the other part of high-temperature gear oil can enter the circulating mechanism for cooling so as to be used subsequently.
Preferably, the high-temperature box is arranged close to the bottom of the reduction gearbox, a liquid through hole is formed in the side wall of the high-temperature box, and the high-temperature box and the reduction gearbox are communicated through the liquid through hole.
The high-temperature box is close to the bottom of the reduction gearbox, so that high-temperature gear oil in the high-temperature box can flow into the reduction gearbox more easily, a liquid through hole is formed in the side wall of the high-temperature box, the high-temperature box and the reduction gearbox are communicated through the liquid through hole, and after the high-temperature gear oil enters the high-temperature box, the high-temperature gear oil can enter the reduction gearbox through the liquid through hole, so that the situation that the high-temperature gear oil is accumulated too much in the high-temperature box to influence the follow-up use of the high-temperature box is avoided.
Preferably, the top of the high-temperature box is provided with a vent hole, and the vent hole is used for discharging high-temperature gas in the high-temperature box.
The top of high-temperature box has seted up the air vent, because high temperature gear oil can make the gas in the high-temperature box be heated and expand, if not in time with this part hot gas in time discharge, bring the potential safety hazard easily, in this scheme the air vent is used for discharging the inside high-temperature gas of high-temperature box to it is enough to guarantee gear oil filling volume.
Preferably, the bottom of the high-temperature box is attached to the bottom of the reduction gearbox, and the liquid through hole is formed in the lower half part of the side wall of the high-temperature box.
The bottom of the high-temperature box is attached to the bottom of the reduction gearbox, and the high-temperature box can be directly placed above the bottom of the reduction gearbox without additionally arranging a supporting mechanism; the liquid through hole is formed in the lower half portion of the side wall of the high-temperature box, and the liquid can still enter the reduction gearbox through the liquid through hole under the condition that the oil quantity of the gears in the high-temperature box is small.
Preferably, the top height of the high-temperature box is greater than or equal to the maximum height of the gear oil in the reduction gearbox, namely, the high-temperature gear oil can be ensured to fully enter the high-temperature box.
In order to ensure that the gear oil in the reduction gearbox can fully enter the high-temperature box, the top height of the high-temperature box in the scheme is greater than or equal to the maximum height of the gear oil in the reduction gearbox, so that the high-temperature gear oil can fully enter the high-temperature box first and then flow into the reduction gearbox from the high-temperature box.
Preferably, the liquid passing holes are arranged in plurality and are horizontally and uniformly arranged on the lower half part of the side wall of the high-temperature box.
The liquid through holes in the scheme are provided with a plurality of liquid through holes, so that gear oil from the reduction gearbox can be collected more quickly, the liquid through holes are horizontally and uniformly arranged on the lower half part of the side wall of the high-temperature box, and the gear oil at the bottom of the high-temperature box can be fully made to enter the reduction gearbox.
Preferably, a connecting pipe is arranged on the side wall of the high-temperature box in a penetrating manner, and the high-temperature box is communicated with the circulating mechanism through the connecting pipe.
The connecting pipe is arranged on the side wall of the high-temperature box in a penetrating mode, and gear oil entering the high-temperature box enters the circulating mechanism through the connecting pipe to be cooled, so that the high-temperature gear oil is prevented from being involved in splash lubrication.
Preferably, the bottom of the high-temperature box is higher than the bottom of the reduction gearbox, a circulation port is formed in the bottom of the high-temperature box, and the high-temperature box is communicated with the reduction gearbox through the circulation port.
The bottom of high temperature box is above the bottom of reducing gear box, and is provided with the circulation mouth in the bottom of high temperature box, can make the gear oil in the high temperature box in time get into in the reducing gear box through the circulation mouth.
Preferably, a plurality of vent holes are uniformly formed in the top of the high-temperature box, and hot air generated by the high-temperature gear oil is timely discharged through the vent holes in the top.
Preferably, the bottom of the high-temperature box and the bottom of the reduction box are the same; the side wall of the high-temperature box and the top of the high-temperature box are partition plates which are connected with each other; this scheme is as the bottom of reducing gear box with the bottom of high-temperature box, and the top and the lateral wall of high-temperature box are regarded as with the division board of interconnect, but make full use of resource reduces the loss of material.
Compared with the prior art, the utility model has the following beneficial effects:
according to the pure electric power assembly gear oil zone storage structure, high temperature is connected with the motor and used for receiving gear oil flowing through the motor, and the high temperature gear oil generated in the motor can directly enter the high temperature box first, so that the gear oil is prevented from entering the reduction gearbox and participating in splash lubrication; the high-temperature box is arranged in the reduction gearbox, the high-temperature box is communicated with the reduction gearbox, and gear oil in the high-temperature box enters the speed reducer from the through holes of the high-temperature box and the reduction gearbox and does not participate in splash lubrication; the high-temperature box is communicated with the circulating mechanism, one part of the high-temperature gear oil enters the reduction gearbox, and the other part of the high-temperature gear oil can enter the circulating mechanism for cooling so as to be used subsequently; in addition, the top of the high-temperature box is provided with a vent hole for discharging high-temperature gas in the high-temperature box, so that the safety in the high-temperature box is ensured, and the sufficient gear oil filling amount can be ensured; because the high-temperature gear oil passing through the motor directly enters the high-temperature storage area, the high-temperature gear oil is prevented from participating in splash lubrication, and the problem of poor gear lubrication is effectively solved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic structural diagram of a partitioned storage structure of gear oil of a pure electric power assembly according to the present invention;
fig. 2 is a schematic diagram of the working principle of the high temperature box of the utility model.
In the above figures, the list of parts represented by the various reference numerals is as follows:
a motor-1; a reduction gearbox-2; a high temperature box-3; a liquid through hole-4; a vent-5; an oil cooler-6; an oil pump-7.
Detailed Description
In order to make the above and other features and advantages of the present invention more apparent, the present invention is further described below with reference to the accompanying drawings. It is understood that the specific embodiments described herein are for purposes of illustration only and are not intended to be limiting.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the utility model.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Referring to fig. 1, an embodiment of a partitioned storage structure for gear oil of a pure electric powertrain according to the present invention is shown; the gear oil partition storage structure of the pure electric power assembly provided by the embodiment comprises a reduction gearbox 2 and a high-temperature box 3; the high-temperature box 3 is connected with the motor 1 and used for receiving gear oil flowing through the motor 1, the high-temperature gear oil generated by the operation of the motor 1 firstly flows into the high-temperature box 3, a special connecting pipeline or other devices which can enable the high-temperature gear oil to flow into the reduction gearbox 2 are arranged between the high-temperature box 3 and the motor 1, and the structure of the device is simplified and omitted in the scheme because the device is not the focus of the research of the embodiment; in order to avoid splashing of high-temperature gear oil, an independent high-temperature storage area, namely a high-temperature box 3, is arranged in the embodiment, the high-temperature box 3 is arranged inside the reduction gearbox 2, the high-temperature box 3 and the reduction gearbox 2 are communicated with each other, the high-temperature gear oil entering the high box can further flow into the reduction gearbox 2 through a communication port of the high-temperature box 3 and the reduction gearbox 2, so that the high-temperature gear oil is prevented from participating in splashing lubrication, the viscosity of the high-temperature gear oil is low, and the gears are easy to lubricate badly; the high-temperature box 3 is communicated with a circulating mechanism, the circulating mechanism comprises an oil cooler 6 and an oil pump 7, gear oil in the high-temperature box 3 enters the oil cooler 6 again to be cooled, the viscosity is increased, and the requirement of subsequent use is met; the oil cooler 6 is connected with the oil pump 7 for use, the oil pump 7 is communicated with the motor 1, and the cooled gear oil can enter the motor 1 again for use so as to circulate.
Fig. 2 shows a working schematic diagram of the high temperature box 3 in another embodiment, and the schematic diagram is labeled by using words for convenience and intuition of the principle, and the labeled places do not refer to specific mechanical structures.
Further, the high-temperature box 3 is close to the bottom of the reduction gearbox 2, a liquid through hole 4 is formed in the side wall of the high-temperature box 3, and the high-temperature box 3 and the reduction gearbox 2 are communicated through the liquid through hole 4.
Specifically, the high-temperature box 3 is arranged close to the bottom of the reduction gearbox 2, so that high-temperature gear oil in the high-temperature box 3 can flow into the reduction gearbox 2 more easily, and splashing caused by overlarge height difference can be avoided; the lateral wall of high temperature box 3 is provided with liquid through hole 4, and high temperature box 3 and reducing gear box 2 link up through liquid through hole 4, and after high temperature gear oil got into high temperature box 3, can get into reducing gear box 2 through liquid through hole 4 in, the transition through high temperature box 3 avoids high temperature gear oil to participate in the lubrication of splashing to avoid gear lubrication badly.
Further, the top of the high-temperature box 3 is provided with a vent hole 5, and the vent hole 5 is used for discharging high-temperature gas in the high-temperature box 3; the vent hole 5 is used for ensuring that the gear oil enters the high-temperature oil storage area through the liquid through hole 4 in the filling process, and simultaneously discharging air in the high-temperature oil storage area so as to ensure that the gear oil filling amount is enough.
Specifically, the top of the high-temperature box 3 is provided with a vent hole 5 for discharging redundant gas in time so as to ensure that the gear oil filling amount is enough; because the high-temperature gear oil can lead the gas in the high-temperature box 3 to be heated and expanded, if the part of hot gas is not discharged in time, the potential safety hazard is easy to bring, the vent hole 5 in the scheme is used for discharging the high-temperature gas in the high-temperature box 3, and the safety in the high-temperature box 3 is ensured; set up vent 5 at the top of high temperature case 3, can effectively avoid high temperature gear oil to block up vent 5 to guarantee vent 5 exhaust effect, with the assurance gear oil filling volume enough.
Further, the bottom of the high-temperature box 3 is arranged in a manner of being attached to the bottom of the reduction gearbox 2, and the liquid through hole 4 is arranged on the lower half portion of the side wall of the high-temperature box 3.
Specifically, the bottom of the high-temperature box 3 is attached to the bottom of the reduction gearbox 2, the incubator can be directly placed above the bottom of the reduction gearbox 2, a supporting mechanism is not required to be additionally arranged, resources are saved, and the placing stability of the high-temperature box 3 can be guaranteed; liquid through hole 4 sets up the lower half at the lateral wall of high temperature box 3, can still can get into reducing gear box 2 through liquid through hole 4 under the less condition of gear oil mass in high temperature box 3, if liquid through hole 4's position is on the high side, the high temperature gear oil that is located liquid through hole 4 below will be unable to get into reducing gear box 2 through liquid through hole 4 in, so in this scheme liquid through hole 4 sets up the lower half at the lateral wall of high temperature box 3, is close to the bottom of high temperature box 3 as far as possible.
Further, the top height of the high-temperature box 3 is greater than or equal to the maximum height of the gear oil in the reduction gearbox 2.
Particularly, in order to guarantee that gear oil can fully get into high temperature box 3, the top height of high temperature box 3 in this scheme is more than or equal to the gear oil maximum height in reducing gear box 2, and high temperature box 3 can fully hold the gear oil that comes from in motor 1.
Further, the liquid passing holes 4 are provided in plurality and are horizontally and uniformly arranged in the lower half part of the side wall of the high-temperature box 3.
Particularly, liquid passing hole 4 in the scheme is provided with a plurality ofly, it is limited that single liquid passing hole 4 leads to the liquid effect, a plurality of liquid passing holes 4 are convenient for make the gear oil in the high temperature box 3 flow into reducing gear box 2 more fast, avoid high temperature gear oil to spill over because of too late entering reducing gear box 2, and this a plurality of liquid passing hole 4 levels evenly set up the lower half at the lateral wall of high temperature box 3, can fully make the gear oil of 3 bottoms of high temperature box get into in reducing gear box 2, if liquid passing hole 4 sets up the first half at 3 lateral walls of high temperature box, the gear oil of liquid passing hole 4 below will unable entering reducing gear box 2.
Further, the side wall of the high-temperature box 3 is provided with a connecting pipe in a penetrating manner, and the high-temperature box 3 and the oil cooler 6 are communicated through the connecting pipe.
Particularly, link up at the lateral wall of high-temperature box 3 and be provided with the connecting pipe, the high-temperature gear oil of high-temperature box 3 needs further cooling back just can satisfy the needs of follow-up use, is provided with the connecting pipe between high-temperature box 3 and oil cooler 6 in this embodiment, and the gear oil that gets into high-temperature box 3 gets into oil cooler 6 via the connecting pipe and cools down to satisfy follow-up use needs, for example can get into again and use in the motor 1.
Further, the bottom of high temperature box 3 is higher than the bottom of reducing gear box 2, and the bottom of high temperature box 3 is provided with the circulation mouth, and high temperature box 3 and reducing gear box 2 link up through the circulation mouth.
Specifically, the bottom of the high-temperature box 3 is arranged above the bottom of the reduction gearbox 2, and a circulation port is arranged at the bottom of the high-temperature box 3 and used for allowing gear oil in the high-temperature box 3 to enter the reduction gearbox 2; the bottom of high temperature box 3 is provided with the opening that flows, and high temperature gear oil can in time get into in the reducing gear box 2 through the opening that flows this moment.
Further, a plurality of air vents 5 have evenly been seted up at the top of high temperature case 3, make the hot-air of high temperature gear oil production in time discharge through a plurality of air vents 5 at top, and the exhaust efficiency of single air vent 5 is limited, has evenly seted up a plurality of air vents 5 at the top of high temperature case 3 in this embodiment, can effectively promote exhaust efficiency, avoids hot-air to gather, brings inconvenience.
Further, in this embodiment, the bottom of the high temperature box 3 and the bottom of the reduction gearbox 2 are the same bottom, that is, the high temperature box 3 and the reduction gearbox 2 are the same bottom, which can effectively save resources; the side wall of the high-temperature box 3 and the top of the high-temperature box 3 are partition plates which are mutually connected, and a high-temperature area is isolated by the partition plates to be used as the high-temperature box 3; according to the scheme, the bottom of the high-temperature box 3 is used as the bottom of the reduction gearbox 2, and the separation plates which are connected with one another are used as the top and the side walls of the high-temperature box 3, so that resources can be fully utilized, and material loss is reduced.
When the gear cooling device is used, high-temperature gear oil generated in the motor 1 can enter the high-temperature box 3 firstly and then enter the reduction gearbox 2 through the liquid through hole 4, the gear oil in the high-temperature box 3 can enter the oil cooler 6 through a pipeline to be cooled and cooled, and finally enters the motor 1 again under the action of the oil pump 7 to be used in a circulating reciprocating mode. Because the high-temperature gear oil passing through the motor 1 directly enters the high-temperature storage area, the high-temperature gear oil is prevented from participating in splash lubrication, and the problem of poor gear lubrication is effectively solved.
In summary, according to the gear oil zone storage structure of the electric power assembly, the high temperature reduction part is connected with the motor 1 and is mainly used for receiving the gear oil flowing through the motor 1, and the high temperature gear oil generated in the motor 1 can directly enter the high temperature box 3, so that the high temperature gear oil is effectively prevented from participating in splash lubrication; the high-temperature box 3 is arranged in the reduction gearbox 2 in a penetrating way, and gear oil entering the high-temperature box 3 can flow into the reduction gearbox 2 again so as to avoid the gear oil from participating in splash lubrication; the high-temperature box 3 is communicated with the oil cooler 6, the gear oil entering the high-temperature box 3 enters the oil cooler 6 again for cooling, and can enter the motor 1 again for use after cooling, and the circulation is carried out; in addition, the top of the high-temperature box 3 is provided with a vent hole 5 for discharging high-temperature gas in the high-temperature box 3, ensuring the safety in the high-temperature box 3 and ensuring the sufficient gear oil filling amount; because the high-temperature gear oil passing through the motor 1 directly enters the high-temperature storage area, the high-temperature gear oil is prevented from participating in splash lubrication, and the problem of poor gear lubrication is effectively solved.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (10)
1. A pure electric power assembly gear oil partition storage structure is characterized by comprising a reduction gearbox and a high-temperature box;
the high-temperature box is connected with the motor and used for receiving gear oil flowing through the motor;
the high-temperature box is arranged in the reduction gearbox, and the high-temperature box is communicated with the reduction gearbox; the high-temperature box is communicated with the circulating mechanism.
2. The structure of claim 1, wherein the hot box is disposed near the bottom of the reduction box, and a fluid hole is disposed on a side wall of the hot box, and the hot box and the reduction box are communicated through the fluid hole.
3. The partitioned storage structure for gear oil of a pure electric power assembly according to claim 1, wherein a vent hole is formed in the top of the high-temperature box, and the vent hole is used for exhausting high-temperature gas inside the high-temperature box.
4. A pure electric powertrain gear oil subregion stores structure of claim 2, characterized in that, the bottom of high-temperature box is laminated in the bottom setting of reducing gear box, and the liquid through hole sets up in the lower half of the lateral wall of high-temperature box.
5. A pure electric powertrain gear oil subregion storage structure of claim 4, characterized in that, the top height of high temperature box is greater than or equal to the maximum height of gear oil in the reducing gear box.
6. A pure electric powertrain gear oil subregion stores structure of claim 2, characterized in that, the through-flow hole is provided with a plurality ofly, and the level is evenly set up in the lower half of the lateral wall of high temperature box.
7. A pure electric powertrain gear oil subregion stores structure of claim 6, characterized by that, the lateral wall of high-temperature box link up and is provided with the connecting pipe, high-temperature box and circulation mechanism pass through the connecting pipe intercommunication.
8. A pure electric powertrain gear oil subregion storage structure of claim 1, characterized in that, the bottom of high-temperature box is higher than the bottom of reducing gear box, and the bottom of high-temperature box is provided with the circulation mouth, high-temperature box and the reducing gear box pass through the circulation mouth.
9. The partitioned storage structure for gear oil of a pure electric power assembly according to claim 3, wherein a plurality of vent holes are uniformly formed in the top of the high-temperature box.
10. A pure electric power assembly gear oil partition storage structure as claimed in any one of claims 1 to 9, wherein the bottom of the high temperature box and the bottom of the reduction box are the same bottom; the side wall of the high-temperature box and the top of the high-temperature box are partition plates which are connected with each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122771206.2U CN216895697U (en) | 2021-11-12 | 2021-11-12 | Structure is stored to electricelectric power unit gear oil subregion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122771206.2U CN216895697U (en) | 2021-11-12 | 2021-11-12 | Structure is stored to electricelectric power unit gear oil subregion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216895697U true CN216895697U (en) | 2022-07-05 |
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| CN202122771206.2U Active CN216895697U (en) | 2021-11-12 | 2021-11-12 | Structure is stored to electricelectric power unit gear oil subregion |
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| Country | Link |
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| CN (1) | CN216895697U (en) |
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- 2021-11-12 CN CN202122771206.2U patent/CN216895697U/en active Active
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