Transmission assembly and vehicle

Abstract

The utility model discloses a transmission assembly and a vehicle, the transmission assembly comprises a transmission shell, the transmission shell is provided with a first inner condensation cavity and a first outer condensation cavity, a first sub communicating hole is arranged between the first inner condensation cavity and the first outer condensation cavity, and a second sub communicating hole is arranged between the first inner condensation cavity and the first outer condensation cavity; the first sub communicating hole is respectively communicated with the first inner condensation cavity and the first outer condensation cavity; the clutch shell is provided with a second inner condensation cavity and a second outer condensation cavity, a second sub communicating hole is formed between the second inner condensation cavity and the second outer condensation cavity, and the second sub communicating hole communicates with the second inner condensation cavity and the second outer condensation cavity; wherein the first sub communicating hole and the second sub communicating hole are oppositely arranged, so that the first sub communicating hole and the second sub communicating hole can jointly form a communicating hole. Therefore, oil gas in the inner condensation cavity and the outer condensation cavity can be cooled at the same time, and the cooling efficiency of the oil gas in the transmission assembly can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of vehicles, and particularly relates to a transmission assembly and a vehicle. Background Art

[0002] In the prior art, a ventilation device is generally arranged on the housing of a transmission in the transmission assembly. The ventilation device has a first chamber and a second chamber, and has a ventilation hole for ventilating with the outside. The first chamber has a communication port at the bottom that communicates with the inside of the transmission housing. The second chamber can receive the liquid invading from the ventilation hole, and the communication port can allow oil to flow between the housing and the first chamber. The need to separately arrange a ventilation device on the transmission housing not only increases the overall volume of the transmission assembly, but also increases the weight of the transmission assembly, resulting in an increase in the overall weight of the vehicle and an increase in the cost of the vehicle.

[0003] Moreover, the chambers of some transmissions are designed inside the housing, but the working conditions inside the housing are relatively complex, and it is difficult to completely block the cooling. Moreover, the temperature inside the housing can rise rapidly, and the oil and gas cannot be effectively cooled for a long time, resulting in more oil and gas overflowing from the ventilation hole and depositing around the housing outside the ventilation plug. Summary of the Utility Model

[0004] The utility model aims to at least solve one of the technical problems existing in the prior art. For this purpose, the utility model provides a transmission assembly. In this transmission assembly, the oil and gas in the transmission housing are first cooled in the first internal condensation chamber, and the oil and gas in the clutch housing are first cooled in the second internal condensation chamber. At the same time, the remaining oil and gas in the transmission housing and the clutch housing enter the first external condensation chamber and the second external condensation chamber through the communication holes for further cooling. It can enable the oil and gas in the transmission housing to be cooled simultaneously in the first internal condensation chamber, the first external condensation chamber and the second external condensation chamber, thereby improving the cooling effect of the transmission housing on the oil and gas. It can also enable the oil and gas in the clutch housing to be cooled simultaneously in the second internal condensation chamber, the second external condensation chamber and the first external condensation chamber, thereby improving the cooling effect of the clutch housing on the oil and gas.

[0005] The utility model further provides a vehicle.

[0006] The transmission assembly according to the first aspect embodiment of the present utility model includes: a transmission housing, the transmission housing is provided with a first inner condensation cavity and a first outer condensation cavity, a first sub-communication hole is provided between the first inner condensation cavity and the first outer condensation cavity, and the first sub-communication hole is respectively communicated with the first inner condensation cavity and the first outer condensation cavity; a clutch housing, the clutch housing is provided with a second inner condensation cavity and a second outer condensation cavity, a second sub-communication hole is provided between the second inner condensation cavity and the second outer condensation cavity, and the second sub-communication hole is respectively communicated with the second inner condensation cavity and the second outer condensation cavity; wherein, the first sub-communication hole and the second sub-communication hole are oppositely arranged to jointly form a communication hole.

[0007] According to some embodiments of the present utility model, the transmission housing includes: a first inner housing and a first outer protrusion, the first outer protrusion is connected to the outer periphery of the first inner housing and protrudes outward, the first inner housing is provided with a first inner condensation cavity for communicating with the inside of the first inner housing, the first outer protrusion is provided with a first outer condensation cavity, a first sub-communication hole is provided between the first inner condensation cavity and the first outer condensation cavity, and the first sub-communication hole is respectively communicated with the first inner condensation cavity and the first outer condensation cavity; a clutch housing, the clutch housing is oppositely arranged with the transmission housing, the clutch housing includes: a second inner housing and a second outer protrusion, the second outer protrusion is connected to the outer periphery of the second inner housing and protrudes outward, the second inner housing is provided with a second inner condensation cavity for communicating with the inside of the second inner housing, the second outer protrusion is provided with a second outer condensation cavity, a second sub-communication hole is provided between the second inner condensation cavity and the second outer condensation cavity, and the second sub-communication hole is respectively communicated with the second inner condensation cavity and the second outer condensation cavity.

[0008] According to some embodiments of the present utility model, both the first inner condensation cavity and the second inner condensation cavity are multiple, a first oil retaining rib is formed between two adjacent first inner condensation cavities and they are connected and communicated, and a second oil retaining rib is formed between two adjacent second inner condensation cavities and they are connected and communicated.

[0009] According to some embodiments of the present utility model, multiple first inner condensation cavities and multiple second inner condensation cavities are arranged in one-to-one correspondence, the first oil retaining rib and the second oil retaining rib are arranged staggeredly, so that two adjacent first inner condensation cavities are communicated through the second inner condensation cavity on the opposite side, and two adjacent second inner condensation cavities are communicated through the first inner condensation cavity on the opposite side.

[0010] According to some embodiments of the present utility model, both the first outer condensation cavity and the second outer condensation cavity are multiple, a third oil retaining rib is formed between two adjacent first outer condensation cavities and they are connected and communicated, and a fourth oil retaining rib is formed between two adjacent second outer condensation cavities and they are connected and communicated.

[0011] According to some embodiments of the present utility model, a plurality of the first external condensation chambers are arranged in one-to-one correspondence with a plurality of the second external condensation chambers, the third oil baffle is aligned with the fourth oil baffle, and at least one of the third oil baffle and the fourth oil baffle is provided with a vent hole penetrating along its thickness direction.

[0012] According to some embodiments of the present utility model, the vent hole for intake air and the vent hole for exhaust air corresponding to the first external condensation chamber are respectively located at two ends of the first external condensation chamber in the length extension direction.

[0013] According to some embodiments of the present utility model, a part of the plurality of first external condensation chambers extends along a first direction and another part extends along a second direction, and there is an included angle greater than 0° and less than 180° between the first direction and the second direction; a part of the plurality of second external condensation chambers correspondingly extends along the first direction and another part correspondingly extends along the second direction; a plurality of first heat dissipation ribs are arranged on the outer periphery of the first external protrusion; and / or a plurality of second heat dissipation ribs are arranged on the outer periphery of the second external protrusion.

[0014] According to some embodiments of the present utility model, the transmission assembly further includes: a vent plug, the vent plug is arranged on the transmission housing, the vent plug is connected to the first external condensation chamber through a vent port, and a condensation rib is arranged below the vent port of the first external condensation chamber, and the condensation rib is inclined.

[0015] A vehicle according to an embodiment of the second aspect of the present utility model includes: the above-mentioned transmission assembly.

[0016] The additional aspects and advantages of the present utility model will be partly given in the following description, partly will become obvious from the following description, or will be understood through the practice of the present utility model. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The above and / or additional aspects and advantages of the present utility model will become obvious and easy to understand from the description of the embodiments in conjunction with the following drawings, wherein:

[0018] Figure 1 is a schematic structural diagram of a transmission assembly according to an embodiment of the present utility model;

[0019] Figure 2 is a schematic structural diagram inside a transmission housing according to an embodiment of the present utility model;

[0020] Figure 3 is a schematic structural diagram inside a clutch housing according to an embodiment of the present utility model;

[0021] Figure 4Schematic diagram of the cooperation between the first outer protrusion and the second outer protrusion according to an embodiment of the present utility model.

[0022] Reference numerals:

[0023] 100, transmission assembly;

[0024] 10, transmission housing; 11, first inner housing; 12, first outer protrusion; 121, first heat dissipation rib; 13, first inner condensation cavity; 131, first oil retaining rib;

[0025] 14, first outer condensation cavity; 141, third oil retaining rib;

[0026] 15, first sub-communication hole;

[0027] 20, clutch housing; 21, second inner housing; 22, second outer protrusion; 221, second heat dissipation rib;

[0028] 23, second inner condensation cavity; 231, second oil retaining rib;

[0029] 24, second outer condensation cavity; 241, fourth oil retaining rib;

[0030] 25, second sub-communication hole;

[0031] 30, vent hole;

[0032] 40, vent plug; 41, vent port; 50, condensation rib. Detailed implementation manners

[0033] The embodiments of the present utility model will be described in detail below. The embodiments described with reference to the drawings are exemplary. The embodiments of the present utility model will be described in detail below.

[0034] Reference will be made below to Figures 1 - 4 describe the transmission assembly 100 according to an embodiment of the present utility model.

[0035] Referring to Figures 1 - 3 As shown, the transmission assembly 100 according to the first aspect embodiment of the present utility model includes: a transmission housing 10 and a clutch housing 20. The transmission housing 10 is provided with a first inner condensation cavity 13 and a first outer condensation cavity 14. A first sub-communication hole 15 is provided between the first inner condensation cavity 13 and the first outer condensation cavity 14. The first sub-communication hole 15 is respectively communicated with the first inner condensation cavity 13 and the first outer condensation cavity 14. The clutch housing 20 is provided with a second inner condensation cavity 23 and a second outer condensation cavity 24. A second sub-communication hole 25 is provided between the second inner condensation cavity 23 and the second outer condensation cavity 24. The second sub-communication hole 25 is respectively communicated with the second inner condensation cavity 23 and the second outer condensation cavity 24. Among them, the first sub-communication hole 15 and the second sub-communication hole 25 are oppositely arranged, so as to jointly form a communication hole.

[0036] Among them, a first inner condensation cavity 13 and a first outer condensation cavity 14 are arranged inside the transmission housing 10. In this way, the oil-gas mixture inside the transmission housing 10 can be first cooled through the first inner condensation cavity 13. Since a first sub-communication hole 15 is arranged between the first inner condensation cavity 13 and the first outer condensation cavity 14, the first sub-communication hole 15 can communicate the first inner condensation cavity 13 and the first outer condensation cavity 14, so that part of the oil-gas mixture in the first inner condensation cavity 13 can enter the first outer condensation cavity 14 through the first sub-communication hole 15 for cooling.

[0037] Similarly, the clutch housing 20 is provided with a second inner condensation cavity 23 and a second outer condensation cavity 24. In this way, the oil-gas mixture inside the clutch housing 20 can be first cooled through the second inner condensation cavity 23. Since a second sub-communication hole 25 is arranged between the second inner condensation cavity 23 and the second outer condensation cavity 24, the second sub-communication hole 25 can communicate the second inner condensation cavity 23 and the second outer condensation cavity 24, so that part of the oil-gas mixture in the second inner condensation cavity 23 can enter the second outer condensation cavity 24 through the second sub-communication hole 25 for cooling.

[0038] In addition, the first sub-communication hole 15 and the second sub-communication hole 25 are arranged opposite to each other, so as to jointly form a communication hole.

[0039] Thus, in the transmission assembly 100, the oil-gas mixture in the transmission housing 10 is first cooled in the first inner condensation cavity 13, and the oil-gas mixture in the clutch housing 20 is first cooled in the second inner condensation cavity 23. At the same time, the remaining oil-gas mixture in the transmission housing 10 and the clutch housing 20 enters the first outer condensation cavity 14 and the second outer condensation cavity 24 through the communication hole for secondary cooling, so that the oil-gas mixture in the transmission housing 10 can be simultaneously cooled by the first inner condensation cavity 13, the first outer condensation cavity 14 and the second outer condensation cavity 24, thereby improving the cooling effect of the transmission housing 10 on the oil-gas mixture. Also, the oil-gas mixture in the clutch housing 20 can be simultaneously cooled by the second inner condensation cavity 23, the second outer condensation cavity 24 and the first outer condensation cavity 14, thereby improving the cooling effect of the clutch housing 20 on the oil-gas mixture.

[0040] According to some embodiments of the present invention, as Figures 1 - 3 shown, the transmission housing 10 includes: a first inner housing 11 and a first outer protrusion 12. The first outer protrusion 12 is connected to the outer periphery of the first inner housing 11, and the first outer protrusion 12 protrudes outward. The first inner housing 11 is provided with a first inner condensation cavity 13 for communicating with the inside of the first inner housing 11. The first outer protrusion 12 is provided with a first outer condensation cavity 14. A first sub-communication hole 15 is arranged between the first inner condensation cavity 13 and the first outer condensation cavity 14, and the first sub-communication hole 15 is respectively communicated with the first inner condensation cavity 13 and the first outer condensation cavity 14.

[0041] The clutch housing 20 is disposed opposite to the transmission housing 10. The clutch housing 20 includes: a second inner housing 21 and a second outer protrusion 22. The second outer protrusion 22 is connected to the outer periphery of the second inner housing 21 and protrudes outward. The second inner housing 21 is provided with a second inner condensation cavity 23 for communicating with the inside of the second inner housing 21. The second outer protrusion 22 is provided with a second outer condensation cavity 24. A second sub-communication hole 25 is provided between the second inner condensation cavity 23 and the second outer condensation cavity 24. The second sub-communication hole 25 communicates with the second inner condensation cavity 23 and the second outer condensation cavity 24 respectively. Among them, the first sub-communication hole 15 is disposed opposite to the second sub-communication hole 25, so that a communication hole can be jointly formed.

[0042] Specifically, in a traditional transmission assembly, a ventilation device is generally provided on the housing of the transmission. The ventilation device has a first chamber and a second chamber, and has a ventilation hole for ventilating with the outside. The first chamber has a communication port at the bottom for communicating with the inside of the transmission housing. The second chamber can receive the liquid invading from the ventilation hole. The communication port allows the oil to flow between the housing and the first chamber.

[0043] This requires a separate ventilation device to be provided on the transmission housing, which not only increases the overall volume of the transmission assembly, but also increases the weight of the transmission assembly, resulting in an increase in the overall weight of the vehicle and an increase in the cost of the vehicle.

[0044] In addition, on one side of a traditional transmission housing, there is a first chamber for installing gears, and on the other side, there is a second chamber for installing a clutch. The inner wall of the first chamber extends outward to form a first rib. The first rib divides a first oil chamber and a second oil chamber in the first chamber. The first oil chamber communicates with the second chamber. A oil collecting structure is provided on the inner wall of the second chamber, and the oil collecting structure communicates with the second oil chamber. During use, the upper layer of the oil in the first oil chamber can be input into the second chamber. Under the agitation of the operation of the clutch, the lubricating oil can be splashed onto the oil collecting structure in the second chamber, and the upper layer of the oil in the first oil chamber can be continuously input into the second oil chamber through the oil collecting structure, so as to solve the air suction problem of the wet dual-clutch transmission.

[0045] The chamber design of this kind of transmission is inside the housing, but the working conditions inside the housing are relatively complex, and it is difficult to achieve complete blocking of cooling. Moreover, the temperature in the chamber inside the housing can rise rapidly, and the oil and gas cannot be effectively cooled for a long time, resulting in more overflow from the ventilation hole and deposition around the housing outside the ventilation plug.

[0046] Therefore, it is necessary to optimize the design of the transmission assembly 100. The transmission housing 10 in the transmission assembly 100 is mainly composed of a first inner housing 11 and a first outer protrusion 12. In this way, the transmission housing 10 forms an inner condensation cavity and an outer condensation cavity. The first inner housing 11 is provided with a first inner condensation cavity 13 communicating with the inside of the first inner housing 11. In this way, the oil and gas inside the first inner housing 11 can be cooled first through the first inner condensation cavity 13. The first outer protrusion 12 is provided with a first outer condensation cavity 14. Since a first sub-communication hole 15 is provided between the first inner condensation cavity 13 and the first outer condensation cavity 14, the first sub-communication hole 15 can communicate the first inner condensation cavity 13 and the first outer condensation cavity 14, so that part of the oil and gas in the first inner condensation cavity 13 can enter the first outer condensation cavity 14 of the first outer protrusion 12 through the first sub-communication hole 15 for cooling.

[0047] In addition, the clutch housing 20 is mainly composed of a second inner housing 21 and a second outer protrusion 22. In this way, the clutch housing 20 also forms an inner condensation cavity and an outer condensation cavity. The second inner housing 21 is provided with a second inner condensation cavity 23 for communicating with the inside of the second inner housing 21. In this way, the oil and gas inside the second inner housing 21 can be cooled first through the second inner condensation cavity 23. The second outer protrusion 22 is provided with a second outer condensation cavity 24. Since a second sub-communication hole 25 is provided between the second inner condensation cavity 23 and the second outer condensation cavity 24, the second sub-communication hole 25 can communicate the second inner condensation cavity 23 and the second outer condensation cavity 24, so that part of the oil and gas in the second inner condensation cavity 23 can enter the second outer condensation cavity 24 of the second outer protrusion 22 through the second sub-communication hole 25 for cooling.

[0048] Furthermore, the clutch housing 20 and the transmission housing 10 are arranged opposite to each other, and the first sub-communication hole 15 and the second sub-communication hole 25 are arranged opposite to each other, so that a communication hole can be formed together. In this way, the first inner condensation cavity 13 and the second inner condensation cavity 23 can form a larger inner condensation cavity, and the oil and gas of the first inner housing 11 and the second inner housing 21 can be cooled simultaneously in the inner condensation cavity, so that the cooling efficiency of the oil and gas in the inner condensation cavity can be further improved.

[0049] Moreover, the first outer condensation cavity 14 and the second outer condensation cavity 24 can form a larger outer condensation cavity, and the oil and gas of the first outer protrusion 12 and the second outer protrusion 22 can be cooled simultaneously in the outer condensation cavity, so that the cooling efficiency of the oil and gas in the outer condensation cavity can be further improved.

[0050] Specifically, the oil and gas in the first inner shell 11 is first cooled in the first inner condensation cavity 13, and the oil and gas in the second inner shell 21 is first cooled in the second inner condensation cavity 23. At the same time, the remaining oil and gas in the first inner shell 11 and the second inner shell 21 enter the first outer condensation cavity 14 and the second outer condensation cavity 24 through the communication holes for further cooling. This can enable the oil and gas in the transmission housing 10 to be cooled simultaneously in the first inner condensation cavity 13, the first outer condensation cavity 14, and the second outer condensation cavity 24, thereby improving the cooling effect of the transmission housing 10 on the oil and gas. At the same time, it can also enable the oil and gas in the clutch housing 20 to be cooled simultaneously in the second inner condensation cavity 23, the second outer condensation cavity 24, and the first outer condensation cavity 14, thereby improving the cooling effect of the clutch housing 20 on the oil and gas.

[0051] According to some embodiments of the present invention, as Figure 2 and Figure 3 shown, both the first inner condensation cavity 13 and the second inner condensation cavity 23 are multiple. A first oil baffle rib 131 is formed between two adjacent first inner condensation cavities 13, and two adjacent first inner condensation cavities 13 are connected and communicate with each other. A second oil baffle rib 231 is formed between two adjacent second inner condensation cavities 23, and two adjacent second inner condensation cavities 23 are connected and communicate with each other.

[0052] Specifically, multiple first inner condensation cavities 13 are provided. In this way, the oil and gas in the first inner shell 11 first pass through the first inner condensation cavity 13. Since a first oil baffle rib 131 is formed between two adjacent first inner condensation cavities 13, the first oil baffle rib 131 can play a role in blocking oil. The oil and gas first pass through the first first inner condensation cavity 13 for oil and gas cooling. The cooled oil liquid is blocked by the first oil baffle rib 131 and flows back to the first inner condensation cavity 13. Since two adjacent first inner condensation cavities 13 are connected and communicate with each other, the remaining oil and gas can enter the second first inner condensation cavity 13 for oil and gas cooling. The cooled oil liquid is blocked by the first oil baffle rib 131 and flows back to the second first inner condensation cavity 13. The remaining oil and gas then pass through the third first inner condensation cavity 13 for oil and gas cooling, and so on for cyclic cooling, thereby improving the cooling efficiency of the oil and gas in the first inner shell 11.

[0053] Similarly, a plurality of second inner condensation chambers 23 are provided. In this way, the oil and gas in the second inner shell 21 first pass through the second inner condensation chambers 23. Since a second oil baffle rib 231 is formed between two adjacent second inner condensation chambers 23, the second oil baffle rib 231 can play a role in blocking oil. The oil and gas first pass through the first second inner condensation chamber 23 for cooling of the oil and gas. The cooled oil liquid is blocked by the second oil baffle rib 231 and flows back to the second inner condensation chamber 23. Since two adjacent second inner condensation chambers 23 are communicated with each other, the remaining oil and gas can enter the second second inner condensation chamber 23 for cooling of the oil and gas. The cooled oil liquid is blocked by the second oil baffle rib 231 and flows back to the second second inner condensation chamber 23. The remaining oil and gas then pass through the third second inner condensation chamber 23 for cooling of the oil and gas, and the cycle of cooling is carried out in sequence, so that the cooling efficiency of the oil and gas in the second inner shell 21 can be improved.

[0054] According to some embodiments of the present invention, as Figure 2 and Figure 3 shown, a plurality of first inner condensation chambers 13 are provided in one-to-one correspondence with a plurality of second inner condensation chambers 23, and the first oil baffle rib 131 and the second oil baffle rib 231 are arranged in a staggered manner, so that two adjacent first inner condensation chambers 13 can be communicated through the second inner condensation chamber 23 on the opposite side, and two adjacent second inner condensation chambers 23 can be communicated through the first inner condensation chamber 13 on the opposite side.

[0055] Among them, a plurality of first inner condensation chambers 13 are provided in one-to-one correspondence with a plurality of second inner condensation chambers 23. That is to say, when there are three first inner condensation chambers 13, correspondingly, there are also three second inner condensation chambers 23, so that the oil and gas between the first inner condensation chamber 13 and the second inner condensation chamber 23 can be cooled mutually conveniently.

[0056] Specifically, since the first oil baffle rib 131 of the first inner condensation chamber 13 and the second oil baffle rib 231 of the second inner condensation chamber 23 are arranged in a staggered manner, two adjacent first inner condensation chambers 13 are both communicated with the second inner condensation chamber 23. First, when the oil and gas are cooled sequentially through two adjacent first inner condensation chambers 13, the cooled oil liquid can fall back to the first inner condensation chamber 13. At the same time, the remaining oil and gas in the first inner condensation chamber 13 enter the second inner condensation chamber 23 for cooling, so that the cooling effect of the oil and gas in the first inner shell 11 can be further improved.

[0057] Similarly, two adjacent second inner condensation chambers 23 are communicated through the first inner condensation chamber 13 on the opposite side. First, when the oil and gas are cooled sequentially through two adjacent second inner condensation chambers 23, the cooled oil liquid can fall back to the second inner condensation chamber 23. At the same time, the remaining oil and gas in the second inner condensation chamber 23 can enter the first inner condensation chamber 13 for cooling, so that the cooling effect of the oil and gas in the second inner shell 21 can be further improved.

[0058] According to some embodiments of the present invention, asFigure 2 and Figure 3 As shown in Figure 3 , there are multiple first outer condensation chambers 14 and multiple second outer condensation chambers 24. A third oil baffle rib 141 is formed between two adjacent first outer condensation chambers 14, and two adjacent first outer condensation chambers 14 are connected. A fourth oil baffle rib 241 is formed between two adjacent second outer condensation chambers 24, and two adjacent second outer condensation chambers 24 are connected.

[0059] Among them, the remaining oil and gas cooled by the first inner condensation chamber 13 and the second inner condensation chamber 23 enter the first outer condensation chamber 14 and the second outer condensation chamber 24 through the communication holes for further cooling.

[0060] Specifically, there are multiple first outer condensation chambers 14. In this way, the oil and gas in the first outer protrusion 12 pass through the first outer condensation chamber 14. Since a third oil baffle rib 141 is formed between two adjacent first outer inner condensation chambers, the third oil baffle rib 141 can play a role in blocking oil. The oil and gas are cooled in the first first outer condensation chamber 14, and the cooled oil liquid is blocked by the third oil baffle rib 141 and flows back to the first outer condensation chamber 14. Since two adjacent first outer condensation chambers 14 are connected, the remaining oil and gas can enter the second first outer condensation chamber 14 for oil and gas cooling. The cooled oil liquid is blocked by the third oil baffle rib 141 and flows back to the second first outer condensation chamber 14. The remaining oil and gas are further cooled in the third first outer condensation chamber 14, and the cycle cooling is carried out in turn, so as to improve the cooling efficiency of the oil and gas in the first outer protrusion 12.

[0061] Similarly, there are multiple second outer condensation chambers 24. In this way, the oil and gas entering the second outer protrusion 22 pass through the second outer condensation chamber 24. Since a fourth oil baffle rib 241 is formed between two adjacent second outer inner condensation chambers, the fourth oil baffle rib 241 can play a role in blocking oil. The oil and gas are cooled in the first second outer condensation chamber 24, and the cooled oil liquid is blocked by the fourth oil baffle rib 241 and flows back to the second outer condensation chamber 24. Since two adjacent second outer condensation chambers 24 are connected, the remaining oil and gas can enter the second second outer condensation chamber 24 for oil and gas cooling. The cooled oil liquid is blocked by the fourth oil baffle rib 241 and flows back to the second second outer condensation chamber 24. The remaining oil and gas are further cooled in the third second outer condensation chamber 24, and the cycle cooling is carried out in turn, so as to improve the cooling efficiency of the oil and gas in the second outer protrusion 22.

[0062] According to the specific embodiments of the present invention, as Figure 2 and Figure 3 shown, the multiple first outer condensation chambers 14 and the multiple second outer condensation chambers 24 are arranged in one-to-one correspondence, the third oil baffle rib 141 is aligned with the fourth oil baffle rib 241, and at least one of the third oil baffle rib 141 and the fourth oil baffle rib 241 is provided with a ventilation hole 30 penetrating along its thickness direction.

[0063] Specifically, that is to say, when there are eight first outer condensation chambers 14, correspondingly, there are also eight second outer condensation chambers 24, so as to facilitate the mutual cooling of the oil and gas between the first outer condensation chamber 14 and the second outer condensation chamber 24.

[0064] Specifically, since the third oil baffle 141 of the first outer condensation chamber 14 is aligned with the fourth oil baffle 241 of the second outer condensation chamber 24, the first outer condensation chamber 14 and the second outer condensation chamber 24 can be interconnected. The oil and gas of the first outer protrusion 12 can first be cooled by the first outer condensation chamber 14, and then the remaining oil and gas can be cooled by the second outer condensation chamber 24. Similarly, the oil and gas of the second outer protrusion 22 can first be cooled by the second outer condensation chamber 24, and then the remaining oil and gas can be cooled by the first outer condensation chamber 14, thereby improving the cooling efficiency of the oil and gas between the first outer protrusion 12 and the second outer protrusion 22.

[0065] Furthermore, at least one of the third oil baffle 141 and the fourth oil baffle 241 is provided with a ventilation hole 30 penetrating along its thickness direction.

[0066] When the ventilation hole 30 penetrating along the thickness direction is provided in the third oil baffle 141, two adjacent first outer condensation chambers 14 are interconnected. First, when the oil and gas are sequentially cooled by the first of the two adjacent first outer condensation chambers, the cooled oil can fall back to the first outer condensation chamber 14. At the same time, the remaining oil and gas in the first outer condensation chamber 14 enter the second first outer condensation chamber for cooling, thereby further improving the cooling effect of the oil and gas in the first outer protrusion 12.

[0067] Furthermore, when the ventilation hole 30 penetrating along the thickness direction is provided in the fourth oil baffle 241, two adjacent second outer condensation chambers 24 are interconnected. First, when the oil and gas are sequentially cooled by the first of the two adjacent second outer condensation chambers, the cooled oil can fall back to the second outer condensation chamber 24. At the same time, the remaining oil and gas in the second outer condensation chamber 24 enter the second second outer condensation chamber for cooling, thereby further improving the cooling effect of the oil and gas in the second outer protrusion 22.

[0068] Furthermore, the size of the ventilation hole 30 is small, so that the oil and gas reaching each condensation cavity can be fully cooled before entering the next condensation cavity, thereby achieving full cooling of the oil and gas.

[0069] According to some embodiments of the present invention, as Figure 2 shown, the ventilation hole 30 for air intake and the ventilation hole for air outlet corresponding to the first outer condensation chamber 14 are respectively located at both ends of the length extension direction of the first outer condensation chamber 14. In this way, it is convenient for the air intake and air outlet of the first outer condensation chamber 14.

[0070] According to some embodiments of the present utility model, as Figure 2 and Figure 3 shown, a part of the plurality of first external condensation chambers 14 extends along a first direction, and another part of the plurality of first external condensation chambers 14 extends along a second direction. There is an angle greater than 0° and less than 180° between the first direction and the second direction. A part of the plurality of second external condensation chambers 24 correspondingly extends along the first direction, and another part of the plurality of second external condensation chambers 24 correspondingly extends along the second direction.

[0071] Among them, there is an angle greater than 0° and less than 180° between the first direction and the second direction. The angle between the first direction and the second direction can be set to 30°, 60°, and 90°. A part of the plurality of first external condensation chambers 14 extends along the first direction. The first direction can be the lateral direction of the first external condensation chamber 14, that is, the horizontal direction. Another part of the plurality of first external condensation chambers 14 extends along the second direction. The second direction can be the vertical direction of the first external condensation chamber 14, that is, the up and down direction. In this way, an angle of 90° can be formed between the first direction and the second direction.

[0072] A part of the plurality of first external condensation chambers 14 extends along the first direction, and another part of the plurality of first external condensation chambers 14 extends along the second direction. In this way, the condensation chamber design in different directions can increase the flow path of the cooling oil, enhance the heat exchange effect, and thus improve the cooling efficiency of the oil and gas.

[0073] According to some embodiments of the present utility model, as Figure 1 shown, the transmission assembly 100 further includes: a breather plug 40. The breather plug 40 is arranged on the transmission housing 10. The breather plug 40 is connected to the first external condensation chamber 14 through a vent port 41. A condensation rib 50 is arranged below the vent port 41 of the first external condensation chamber 14, and the condensation rib 50 is inclined.

[0074] Among them, the breather plug 40 is arranged on the transmission housing 10. The breather plug 40 is a normally closed breather plug 40, that is, it is closed under normal conditions. When the temperature of the transmission rises and the pressure increases to a certain value, the breather plug 40 opens the valve to conduct ventilation.

[0075] The breather plug 40 is connected to the first external condensation chamber 14 through the vent port 41. The breather plug 40 can effectively balance the pressure inside and outside the first external condensation chamber 14, thereby preventing the internal pressure from rising due to temperature changes, and reducing the risk of oil leakage.

[0076] In addition, the bottom end of the mounting hole of the vent plug 40 is fan-shaped. The fan-shaped area can reduce the ventilation volume. Moreover, a condensation rib 50 is provided below the vent 41 in the first external condensation cavity 14. The condensation rib 50 is inclined. Such an inclined condensation rib 50 can enclose the vent 41 in a small corner, so that the remaining oil and gas after condensation are not easily discharged.

[0077] According to some embodiments of the present invention, as Figure 1 shown, a plurality of first heat dissipation ribs 121 are provided on the outer periphery of the first external protrusion 12, and / or a plurality of second heat dissipation ribs 221 are provided on the outer periphery of the second external protrusion 22.

[0078] Among them, a plurality of first heat dissipation ribs 121 are provided on the outer periphery of the first external protrusion 12. The first heat dissipation ribs 121 can be arranged in different directions. For example, the plurality of first heat dissipation ribs 121 can be vertically spaced along the first external protrusion 12. The vertical direction is the up and down direction, or they can be horizontally spaced along the first external protrusion 12. The horizontal direction is the horizontal direction. The first heat dissipation ribs 121 designed in multiple directions can increase the air-cooling area, achieve continuous air-cooling, and continuously and efficiently cool the oil and gas in the condensation cavity, so as to avoid the overflow of oil and gas and oil liquid, causing dirt outside the transmission.

[0079] A plurality of second heat dissipation ribs 221 are provided on the outer periphery of the second external protrusion 22. The plurality of second heat dissipation ribs 221 can be arranged in different directions. For example, the plurality of second heat dissipation ribs 221 can be vertically spaced along the second external protrusion 22. The vertical direction is the up and down direction, or they can be horizontally spaced along the second external protrusion 22. The horizontal direction is the horizontal direction. The second heat dissipation ribs 221 designed in multiple directions can further increase the air-cooling area, achieve continuous air-cooling, and continuously and efficiently cool the oil and gas in the condensation cavity, so as to avoid the overflow of oil and gas and oil liquid, causing dirt outside the transmission.

[0080] A vehicle according to an embodiment of the second aspect of the present invention includes: the transmission assembly 100 of the above embodiment.

[0081] In the transmission assembly 100, the first sub-communication hole 15 of the transmission housing 10 is disposed opposite to the second sub-communication hole 25 of the clutch housing 20, so that a communication hole can be jointly formed, and the oil and gas in the internal condensation cavity and the external condensation cavity can be cooled simultaneously. Moreover, the arrangement of the heat dissipation ribs on the first external protrusion 12 and the second external protrusion 22 can increase the air-cooling area, achieve continuous air-cooling, and continuously and efficiently cool the oil and gas in the condensation cavity, so as to avoid the overflow of oil and gas and oil liquid, causing dirt outside the transmission assembly 100.

[0082] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on the present utility model.

[0083] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "schematic embodiments", "examples", "specific examples", or "some examples", etc. means that the specific features, structures, materials, or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present utility model. In this specification, the schematic expressions of the above terms do not necessarily refer to the same embodiment or example.

[0084] Although the embodiments of the present utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and purposes of the present utility model, and the scope of the present utility model is defined by the claims and their equivalents.

Claims

1. A transmission assembly, characterized in that, Including: A transmission housing, the transmission housing is provided with a first inner condensation chamber and a first outer condensation chamber, a first sub-communication hole is arranged between the first inner condensation chamber and the first outer condensation chamber, and the first sub-communication hole communicates with the first inner condensation chamber and the first outer condensation chamber respectively; A clutch housing, the clutch housing is provided with a second inner condensation chamber and a second outer condensation chamber, a second sub-communication hole is arranged between the second inner condensation chamber and the second outer condensation chamber, and the second sub-communication hole communicates with the second inner condensation chamber and the second outer condensation chamber respectively; Wherein, the first sub-communication hole and the second sub-communication hole are arranged opposite to each other to jointly form a communication hole.

2. The transmission assembly according to claim 1, characterized in that, The transmission housing includes: a first inner housing and a first outer protrusion, the first outer protrusion is connected to the outer periphery of the first inner housing and protrudes outward, the first inner housing is provided with a first inner condensation chamber for communicating with the inside of the first inner housing, the first outer protrusion is provided with a first outer condensation chamber, a first sub-communication hole is arranged between the first inner condensation chamber and the first outer condensation chamber, and the first sub-communication hole communicates with the first inner condensation chamber and the first outer condensation chamber respectively; A clutch housing, the clutch housing is arranged opposite to the transmission housing, the clutch housing includes: a second inner housing and a second outer protrusion, the second outer protrusion is connected to the outer periphery of the second inner housing and protrudes outward, the second inner housing is provided with a second inner condensation chamber for communicating with the inside of the second inner housing, the second outer protrusion is provided with a second outer condensation chamber, a second sub-communication hole is arranged between the second inner condensation chamber and the second outer condensation chamber, and the second sub-communication hole communicates with the second inner condensation chamber and the second outer condensation chamber respectively.

3. The transmission assembly according to claim 2, characterized in that, Both the first inner condensation chamber and the second inner condensation chamber are multiple, a first oil retaining rib is formed between two adjacent first inner condensation chambers and they are connected and communicated, a second oil retaining rib is formed between two adjacent second inner condensation chambers and they are connected and communicated.

4. The transmission assembly according to claim 3, characterized in that, The multiple first inner condensation chambers and the multiple second inner condensation chambers are arranged in one-to-one correspondence, the first oil retaining rib and the second oil retaining rib are arranged staggeredly, so that two adjacent first inner condensation chambers are communicated through the second inner condensation chamber on the opposite side, and two adjacent second inner condensation chambers are communicated through the first inner condensation chamber on the opposite side.

5. The transmission assembly according to claim 2, characterized in that, Both the first outer condensation chamber and the second outer condensation chamber are multiple, a third oil retaining rib is formed between two adjacent first outer condensation chambers and they are communicated, a fourth oil retaining rib is formed between two adjacent second outer condensation chambers and they are communicated.

6. The transmission assembly according to claim 5, characterized in that, The multiple first outer condensation chambers and the multiple second outer condensation chambers are arranged in one-to-one correspondence, the third oil retaining rib and the fourth oil retaining rib are aligned, and at least one of the third oil retaining rib and the fourth oil retaining rib is provided with a ventilation hole penetrating along its thickness direction.

7. The transmission assembly according to claim 6, wherein The ventilation hole for air intake and the ventilation hole for air outlet corresponding to the first outer condensation chamber are respectively located at both ends of the length extension direction of the first outer condensation chamber.

8. The transmission assembly according to claim 6, wherein A part of the plurality of the first external condensation chambers extends in a first direction and another part extends in a second direction, and there is an included angle greater than 0° and less than 180° between the first direction and the second direction; A part of the plurality of the second external condensation chambers correspondingly extends in the first direction and another part correspondingly extends in the second direction; A plurality of first heat dissipation ribs are arranged on the outer periphery of the first external protrusion; and / or A plurality of second heat dissipation ribs are arranged on the outer periphery of the second external protrusion.

9. The transmission assembly according to claim 1, wherein, Further comprising: A ventilation plug, the ventilation plug is arranged on the transmission housing, the ventilation plug is connected to the first external condensation chamber through a ventilation port, and a condensation rib is arranged below the ventilation port of the first external condensation chamber, and the condensation rib is arranged obliquely.

10. A vehicle, characterized in that, Comprising: The transmission assembly according to any one of claims 1-9.

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