CN117052879A - Transmission oil temperature adjusting device and vehicle - Google Patents

Abstract

The invention relates to a transmission oil temperature adjusting device and a vehicle, wherein the transmission oil temperature adjusting device comprises an oil cooler and a temperature control valve, and the oil cooler is fixed on a shell of a transmission and is used for cooling engine oil of the transmission; the oil inlet channel is used for enabling engine oil of the transmission to enter the regulating flow channel; the temperature control valve is arranged in the adjusting flow channel and comprises a valve core, the valve core is contacted with the peripheral wall of the adjusting flow channel and can slide in the adjusting flow channel along a first direction so as to open or close the first oil outlet. The invention can reduce the space occupied by the transmission, the temperature control valve and the oil cooler after being connected, thereby being convenient for arranging the transmission.

Description

Transmission oil temperature adjusting device and vehicle

Technical Field

The invention relates to the technical field of transmission cooling, in particular to a transmission oil temperature adjusting device and a vehicle.

Background

With the development of automobile technology, the automobile industry is gradually transformed to electric, but the existing pure electric automobile cannot completely replace the traditional fuel automobile due to higher cost, so that the hybrid electric automobile becomes the research and development focus of various automobile enterprises. In order to maintain the operating oil temperature of a transmission of a hybrid vehicle within a relatively economical range to increase the efficiency of the transmission's driveline and motor system, the transmission is typically provided with a set of oil temperature control systems by which the operating oil temperature of the transmission is regulated.

In the oil temperature control system at the present stage, a temperature control valve and a cooler are arranged outside a shell of a transmission, and then the transmission, the temperature control valve and the cooler are sequentially communicated through a pipeline, so that engine oil of the transmission enters the temperature control valve through the pipeline and then enters the cooler through the pipeline for cooling. This would require more piping outside the transmission housing, resulting in a larger footprint for the transmission, thermostatic valve, and cooler after connection through the piping, which is detrimental to the transmission layout.

Disclosure of Invention

The application provides a transmission oil temperature adjusting device and a vehicle, which at least solve the technical problems that an oil temperature control system occupies a large space and is unfavorable for the arrangement of a transmission in the related technical problems. The technical scheme adopted by the application is as follows:

According to a first aspect of the present application, there is provided a transmission oil temperature adjusting device, comprising an oil cooler and a temperature control valve, wherein the oil cooler is fixed on a casing of a transmission and is used for cooling engine oil of the transmission; the oil inlet channel is used for enabling engine oil of the transmission to enter the regulating flow channel; the temperature control valve is arranged in the adjusting flow channel and comprises a valve core, the valve core is contacted with the peripheral wall of the adjusting flow channel and can slide in the adjusting flow channel along a first direction so as to open or close the first oil outlet.

According to the technical means, the adjusting flow passage is arranged in the shell of the speed changer, the temperature control valve is arranged in the adjusting flow passage, and the first oil inlet passage is formed in the shell, so that engine oil of the speed changer enters the adjusting flow passage through the first oil inlet passage, the temperature control valve can be integrated in the shell of the speed changer, and the connecting pipeline between the temperature control valve and the speed changer is reduced.

In addition, the oil cooler is fixed on the shell, the first oil outlet is formed in the shell, the adjusting flow channel and the oil cooler are communicated through the first oil outlet, the first oil outlet is opened or closed through sliding of the valve core in the adjusting flow channel, oil quantity entering the oil cooler is controlled, a connecting pipeline between the temperature control valve and the oil cooler can be reduced, space occupied by the transmission, the temperature control valve and the oil cooler after being connected can be reduced, and accordingly larger space is provided for arrangement of the variable device, and arrangement of the transmission is facilitated.

In one possible embodiment, the regulating flow passage includes a first flow passage and a second flow passage arranged along a first direction, each of the first flow passage and the second flow passage extending along the first direction and communicating with each other; the first oil inlet channel is arranged on the side surface of the shell, far away from the oil cooler, the first oil inlet channel and the first oil outlet hole are communicated with the first flow channel, and along the first direction, the first oil inlet channel and the first oil outlet hole are both positioned on one side, far away from the second flow channel, of one end, close to the second flow channel, of the first flow channel, and the projection of an oil inlet of the first oil outlet hole on the plane of an oil outlet of the first oil inlet channel is positioned in the oil outlet of the first oil inlet channel; the side wall of the shell, which is close to the oil cooler, is also provided with a second oil outlet, and the second oil outlet is communicated with the second flow passage and is used for enabling engine oil to flow back to the transmission; the valve core is located in the first flow channel and can slide between the first position and the second position, under the condition that the valve core is located in the first position, the first oil outlet is blocked, the first flow channel is communicated with the first oil inlet channel and the second flow channel, under the condition that the valve core is located in the second position, the first oil outlet is opened, and one end, close to the first flow channel, of the second flow channel is blocked.

According to the technical means, through the arrangement of the position relation of the first flow passage, the second flow passage, the first oil inlet passage and the first oil outlet and the radial dimension arrangement of the oil inlet of the first oil outlet and the oil outlet of the first oil inlet passage, the flow path of engine oil can be controlled through the sliding of the valve core, so that the quantity of engine oil entering the oil cooler can be controlled according to the change of the temperature of the engine oil, and the temperature of the engine oil can be effectively controlled; and moreover, the number of pipelines outside the shell can be effectively reduced by the implementation mode, so that the occupied space after the transmission, the temperature control valve and the oil cooler are connected is further reduced, and the transmission is conveniently arranged.

In one possible embodiment, the oil cooler comprises a fixed seat and a cooling piece, wherein the fixed seat is connected to the shell, and the cooling piece is fixed on the side wall of the fixed seat away from the shell; the side wall of the shell, which is close to the oil cooler, is also provided with an oil return hole; the inside of fixing base is formed with the intercommunication runner, and the one end of intercommunication runner and second oil outlet keep away from the one end intercommunication of second runner, and the other end and the oil return hole intercommunication of intercommunication runner.

According to the technical means, the communicating flow passage is formed in the fixing seat so as to communicate the second oil outlet and the oil return hole through the connecting flow passage, so that the number of pipelines outside the shell can be further reduced, and a large space is conveniently provided for arrangement of the transmission.

In one possible implementation manner, a second oil inlet channel and an oil return channel are formed on the side wall, close to the shell, of the fixing base, the second oil inlet channel is communicated with the first oil outlet and the cooling piece, and the oil return channel is communicated with the cooling piece and the oil return hole.

According to the technical means, the oil inlet channel and the oil return channel are arranged in the fixed seat, so that the number of pipelines outside the shell can be further reduced, and a larger space is conveniently provided for arrangement of the transmission.

In one possible embodiment, the first oil inlet channel comprises an oil inlet hole and a bypass flow channel, the oil inlet hole is arranged on the side wall of the shell far away from the oil cooler and extends along the direction close to the oil cooler, the oil inlet hole is positioned on one side of the first flow channel far away from the oil cooler, and the axis of the oil inlet hole is coincident with the axis of the first oil outlet hole; the bypass runner is located between the oil inlet hole and the first runner and extends into the first runner along the direction away from the oil inlet hole so that the bypass runner is communicated with the first runner, one side of the bypass runner, which is close to the oil inlet hole, is communicated with the oil inlet hole, and one end of the bypass runner, which is close to the second runner, is located on one side of the first oil outlet hole, which is close to the second runner, along the first direction.

According to the technical means, the oil inlet hole and the bypass flow passage are arranged, so that the first oil inlet passage can be conveniently machined, and machining cost is saved.

In one possible implementation manner, the fixing seat comprises a bottom plate, a first partition plate and a second partition plate, wherein the bottom plate is fixed on the shell, and a first oil inlet through hole, a first communication through hole and a first oil return through hole are formed in the bottom plate; the first partition plate is fixed on one side of the bottom plate far away from the shell and is in sealing connection with the bottom plate, and a second oil inlet through hole and a second communication through hole are formed in the first partition plate; the second baffle is fixed on one side of the first baffle, which is far away from the bottom plate, and is in sealing connection with the first baffle, and a third oil inlet through hole and a third oil return through hole are formed on the second baffle; the first oil inlet through hole, the second oil inlet through hole and the third oil inlet through hole are sequentially communicated to form a second oil inlet channel, the first communication through hole, the second communication through hole and the first oil return through hole are sequentially communicated to form a communication flow channel, and the third oil return through hole, the second communication through hole and the first oil return through hole are sequentially communicated to form an oil return channel.

According to the technical means, the base plate, the first partition plate and the second partition plate are sequentially connected to form the fixing seat, and the second oil inlet channel, the communication flow channel and the oil return channel can be conveniently machined on the fixing seat, so that manufacturing cost is saved.

In one possible implementation mode, the cooling piece comprises a plurality of oil inlet fins and a plurality of water inlet fins, the plurality of oil inlet fins are arranged at intervals along the direction of the fixing seat away from the shell, a cooling oil passage for oil circulation is formed in the oil inlet fins, an inlet of the cooling oil passage is communicated with the second oil inlet passage, and an outlet of the cooling oil passage is communicated with the oil return passage; the water inlet fins are arranged at intervals along the direction of the fixing seat away from the shell, and cooling water channels for cooling liquid circulation are formed in the water inlet fins; a water inlet fin is arranged between any two adjacent water inlet fins, or an oil inlet fin is arranged between any two adjacent water inlet fins.

According to the technical means, the oil inlet fin and the water inlet fin are adjacently arranged, so that the engine oil and the cooling water can be subjected to effective heat exchange, and the cooling effect of the cooling piece on the engine oil is improved.

In one possible implementation manner, the temperature control valve further comprises an elastic piece, wherein the elastic piece is connected in the adjusting flow channel and connected with the valve core; the valve core can slide between a first position and a second position under the action of the elastic piece and the temperature change of engine oil; and/or the second flow passage penetrates the shell along the direction away from the first flow passage; the temperature control valve further comprises a blocking piece, wherein the blocking piece is arranged at one end, far away from the first flow passage, of the second flow passage and is in sealing connection with the second flow passage.

According to the technical means, when the temperature is low, the elastic piece can push the valve core to reset, so that the valve core can automatically slide between the first position and the second position according to the change of the oil temperature, and the path of engine oil can be conveniently adjusted; the second flow passage can be plugged through the plugging piece, so that engine oil entering the second flow passage is prevented from flowing out of the shell.

In one possible embodiment, the bypass flow passage extends through the housing in a direction away from the second flow passage in the first direction; the transmission oil temperature adjusting device further comprises a blocking plug, and the blocking plug is arranged at one end, far away from the second flow passage, of the bypass flow passage in the first direction and is in sealing connection with the bypass flow passage.

According to the technical means, the bypass flow passage penetrates through the shell in the direction away from the second flow passage, so that the bypass flow passage is convenient to process, the bypass flow passage can be plugged through the plugging plug, and engine oil entering the bypass flow passage is prevented from flowing out of the shell.

According to a second aspect of the present application, there is provided a vehicle including the above-described transmission oil temperature adjusting device.

Therefore, the technical characteristics of the application have the following beneficial effects:

(1) According to the application, the regulating flow passage is arranged in the shell of the speed changer, and the temperature control valve is arranged in the regulating flow passage, so that the temperature control valve can be integrated in the shell of the speed changer, and the connecting pipeline between the temperature control valve and the speed changer can be reduced. In addition, the oil cooler is fixed on the shell, and the first oil outlet and the first oil inlet channel are formed in the shell so as to be communicated with the oil way of the speed changer, the temperature control valve and the oil cooler, so that connecting pipelines between the temperature control valve and the oil cooler can be reduced, the occupied space after the speed changer, the temperature control valve and the oil cooler are connected can be reduced, and a larger space is provided for the arrangement of the speed changer so as to facilitate the arrangement of the speed changer.

(2) According to the application, through the arrangement of the position relation of the first runner, the second runner, the first oil inlet channel and the first oil outlet and the radial dimension arrangement of the oil inlet of the first oil outlet and the oil outlet of the first oil inlet channel, the flow path of engine oil can be controlled through the sliding of the valve core, so that the quantity of engine oil entering the oil cooler can be controlled according to the change of the temperature of the engine oil, and the temperature of the engine oil can be effectively controlled; and moreover, the number of pipelines outside the shell can be effectively reduced by the implementation mode, so that the occupied space after the transmission, the temperature control valve and the oil cooler are connected is further reduced, and the transmission is conveniently arranged.

(3) According to the invention, the communicating flow channel is formed in the fixing seat so as to communicate the second oil outlet and the oil return hole through the connecting flow channel, so that the number of pipelines outside the shell can be further reduced, and a larger space is conveniently provided for the arrangement of the speed changer.

(4) According to the invention, the oil inlet channel and the oil return channel are arranged in the fixed seat, so that the number of pipelines outside the shell can be further reduced, and a larger space is conveniently provided for the arrangement of the speed changer.

(5) According to the invention, the oil inlet hole and the bypass flow passage are arranged, so that the first oil inlet passage can be conveniently machined, and the machining cost is saved.

(6) According to the invention, the bottom plate, the first partition plate and the second partition plate are sequentially connected to form the fixing seat, so that the second oil inlet channel, the communication flow channel and the oil return channel can be conveniently machined on the fixing seat, and the manufacturing cost is saved.

(7) According to the invention, the oil inlet fin and the water inlet fin are adjacently arranged, so that the engine oil and the cooling water can be subjected to effective heat exchange, and the cooling effect of the cooling piece on the engine oil is improved.

(8) When the temperature is lower, the elastic piece can push the valve core to reset, so that the valve core can automatically slide between the first position and the second position according to the change of the oil temperature, and the path of engine oil can be conveniently adjusted; the second flow passage can be plugged through the plugging piece, so that engine oil entering the second flow passage is prevented from flowing out of the shell.

(9) According to the application, the bypass flow passage penetrates through the shell in a direction away from the second flow passage, so that the bypass flow passage is convenient to process, and the bypass flow passage can be plugged through the plugging plug, so that engine oil entering the bypass flow passage is prevented from flowing out of the shell.

It should be noted that, the technical effects caused by the implementation manner of the second aspect may refer to the technical effects caused by the corresponding implementation manner of the first aspect, which are not described herein.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application as claimed.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the application and together with the description, serve to explain the principles of the application and do not constitute a undue limitation on the application.

FIG. 1 is a front view of a transmission oil temperature adjustment device according to an exemplary embodiment;

FIG. 2 is a schematic cross-sectional structural view of a housing shown according to an exemplary embodiment;

FIG. 3 is a schematic illustration of one of the cross-sectional structures A-A of FIG. 1, according to an exemplary embodiment;

FIG. 4 is a second schematic illustration of the cross-sectional structure of A-A of FIG. 1, according to an exemplary embodiment;

FIG. 5 is a top view of a transmission oil temperature adjustment device according to an exemplary embodiment;

FIG. 6 is a schematic view of the C-C cross-section structure of FIG. 5, shown in accordance with an exemplary embodiment;

FIG. 7 is a third schematic illustration of the cross-sectional structure of A-A of FIG. 1, according to an exemplary embodiment;

FIG. 8 is a schematic diagram illustrating an exploded construction of a transmission oil temperature adjustment device according to an exemplary embodiment;

FIG. 9 is a schematic diagram of a cooling element according to an exemplary embodiment;

FIG. 10 is a schematic bottom view of a transmission oil temperature adjustment device according to an exemplary embodiment;

FIG. 11 is a schematic view of the cross-sectional B-B configuration of FIG. 5, shown in accordance with an exemplary embodiment;

fig. 12 is a schematic view of the D-D cross-sectional structure of fig. 10, according to an exemplary embodiment.

Wherein,

1-an oil cooler; 11-a fixed seat; 111-communicating the runner; 112-a second oil feed passage; 113-an oil return passage; 114-a bottom plate; 1141-a first oil inlet through hole; 1142-a first communication through hole; 1143-a first oil return through hole; 115-a first separator; 1151-a second oil inlet through hole; 1152-a second communication through hole; 116-a second separator; 1161-a third oil inlet through hole; 1162-a third oil return through hole; 12-cooling element; 121-cooling oil inlet; 122-cooling oil outlet; 123-a cooling water inlet pipe; 124-a cooling water outlet pipe; 125-oil inlet fins; 126-water inlet fins;

2-a temperature control valve; 21-a valve core; 22-an elastic member; 23-plugging piece;

3-a housing; 31-adjusting the flow channel; 311-first flow channel; 312-second flow channel; 32-a first oil outlet hole; 33-a first oil inlet passage; 331-an oil inlet hole; 332-bypass flow path; 34-a second oil outlet hole; 35-an oil return hole;

4, plugging a plug;

5-a sealing ring;

6-a second sealing ring.

Detailed Description

In order to enable a person skilled in the art to better understand the technical solutions of the present application, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings.

It should be noted that the terms "first," "second," and the like in the description and the claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments of the application described herein may be implemented in sequences other than those illustrated or otherwise described herein. The implementations described in the following exemplary examples do not represent all implementations consistent with the application. Rather, they are merely examples of apparatus and methods consistent with aspects of the application as detailed in the accompanying claims.

With the development of automobile technology, hybrid electric vehicles are becoming the development focus in the automobile industry at present, in order to improve the efficiency of a transmission system and a motor system of a transmission, a set of oil temperature control system is usually provided for the transmission, and the working oil temperature of the transmission is regulated by the oil temperature control system, so that the working oil temperature of the transmission is in a relatively economical range.

However, in the oil temperature control system of the present stage, a temperature control valve and a cooler are separately arranged outside a casing of a transmission, and then the transmission, the temperature control valve and the cooler are sequentially communicated through a pipeline, so that engine oil of the transmission enters the temperature control valve through the pipeline and then enters the cooler through the pipeline for cooling. This would require more piping outside the transmission housing, resulting in a larger footprint for the transmission, thermostatic valve, and cooler after connection through the piping, which is detrimental to the transmission layout.

Based on this, the application provides a vehicle, which may be a hybrid car, a fuel car, or the like.

For easy understanding, the vehicle provided by the present application is specifically described below with reference to the accompanying drawings.

The vehicle includes a transmission oil temperature adjusting device and a transmission including a housing and a transmission portion connected to the housing, the transmission portion being supported by the housing. Fig. 1 is a front view of a transmission oil temperature adjusting device according to an exemplary embodiment, and as shown in fig. 1, the transmission oil temperature adjusting device includes an oil cooler 1 and a thermo valve 2, the oil cooler 1 is fixed on a housing 3 of the transmission for cooling oil of the transmission, and the thermo valve 2 is provided in the housing 3 of the transmission for adjusting a flow path of the oil of the transmission.

Fig. 2 is a schematic sectional structure of the housing 3 shown in accordance with an exemplary embodiment, as shown in fig. 2, in which an adjustment flow passage 31 extending in a first direction perpendicular to the arrangement direction of the housing 3 and the oil cooler 1, i.e., the direction X shown in fig. 2, is formed in the housing 3.

The casing 3 is formed with first oil outlet 32 on being close to the lateral wall of oil cooler 1, first oil outlet 32 intercommunication regulating flow channel 31 and oil cooler 1, and first oil outlet 32 extends to regulating flow channel 31 department along the direction that casing 3 kept away from oil cooler 1 promptly to make the one end and the regulating flow channel 31 intercommunication of first oil outlet 32, the other end and the oil cooler 1 intercommunication of first oil outlet 32, first oil outlet 32 are used for making the engine oil in the regulating flow channel 31 get into oil cooler 1.

The axis of the first oil outlet 32 may be perpendicular to the axis of the adjusting flow channel 31, or may be an acute angle with the axis of the adjusting flow channel 31. In order to facilitate the processing and reduce the path along which the oil flows in the first oil outlet hole 32, the first oil outlet hole 32 is generally disposed with its axis perpendicular to the axis of the accommodating flow passage 31.

A first oil inlet passage 33 communicating with the adjustment flow passage 31 is also formed on the side wall of the housing 3, the first oil inlet passage 33 being for allowing the oil of the transmission to enter the adjustment flow passage 31. The first oil inlet channel 33 may be disposed on a side of the casing 3 away from the oil cooler 1, on a side of the casing 3 near the oil cooler 1, or on a side adjacent to a side of the casing 3 away from the oil cooler 1.

Here, the description will be made taking an example in which the first oil intake passage 33 is provided on the side of the casing 3 remote from the oil cooler 1, at this time, the first oil intake passage 33 extends to the adjustment flow passage 31 in the direction in which the casing 3 approaches the oil cooler 1, so that the end of the first oil intake passage 33 near the adjustment flow passage 31 communicates with the adjustment flow passage 31, and the end of the first oil intake passage 33 remote from the adjustment flow passage 31 is used to communicate with the oil passage of the transmission, so that the engine oil of the transmission enters the adjustment flow passage 31 through the first oil intake passage 33.

The axis of the first oil inlet channel 33 may be perpendicular to the axis of the adjusting flow channel 31, or may be an acute angle with the axis of the adjusting flow channel 31. In order to facilitate the processing and reduce the path of the oil flowing in the first oil intake passage 33, the first oil intake passage 33 is generally disposed with its axis perpendicular to the axis of the adjustment flow passage 31.

On the basis, further in order to facilitate processing, the axes of the first oil inlet channel 33 and the first oil outlet 32 can be overlapped, so that a through hole can be directly drilled on the side surface of the shell 3, which is far away from the oil cooler 1, and the side surface of the shell 3, which is close to the oil cooler 1, so that the first oil inlet channel 33 and the first oil outlet 32 can be processed, and the processing efficiency can be improved.

Fig. 3 is one of schematic sectional views of A-A in fig. 1, which is shown in an exemplary embodiment, as shown in fig. 3, the thermo valve 2 is disposed in the adjustment flow path 31, the thermo valve 2 includes a valve core 21, and the valve core 21 contacts with a peripheral wall of the adjustment flow path 31 and is capable of sliding in a first direction in the adjustment flow path 31 to open or close the first oil outlet hole 32.

Specifically, the spool 21 is slidable between a first position in which the spool 21 closes the first oil outlet port 32 and a second position in which the spool 21 opens the first oil outlet port 32.

By providing the adjustment flow passage 31 in the housing 3 of the transmission and providing the thermo valve 2 in the adjustment flow passage 31, the thermo valve 2 can be integrated in the housing 3 of the transmission, so that the connecting piping between the thermo valve 2 and the transmission can be reduced.

In addition, the oil cooler 1 is fixed on the shell 3, and the first oil outlet hole 32 and the first oil inlet channel 33 are formed in the shell 3 to communicate an oil path of the transmission, the temperature control valve 2 and the oil cooler 1, so that a connecting pipeline between the temperature control valve 2 and the oil cooler 1 can be reduced, the occupied space after the transmission, the temperature control valve 2 and the oil cooler 1 are connected can be reduced, and a larger space is provided for arrangement of the transmission, so that the transmission is arranged conveniently.

It should be noted that the thermo-valve 2 realizes automatic adjustment by utilizing the principles of thermal expansion of liquid and incompressibility of liquid. Specifically, the thermo-valve 2 further includes an elastic member 22, where the elastic member 22 is connected to the adjusting flow channel 31 and connected to the valve core 21, and a thermo-sensitive element, such as a sensor with a temperature-sensitive liquid, is disposed in the valve core 21.

The sensor can sense the oil temperature of the engine oil entering the regulating flow passage 31, when the oil temperature is high, the volume of the temperature sensing liquid inside the sensor can expand until the oil temperature is higher than a preset value, and the temperature sensing liquid expands to push the valve core 21 to slide in the regulating flow passage 31 and press the elastic piece 22. When the oil temperature is reduced and is lower than a preset value, the temperature sensing liquid contracts, the thrust of the temperature sensing liquid to the valve core 21 is reduced, and the elastic piece 22 pushes the valve core 21 to reset, so that the valve core 21 slides between the first position and the second position under the action of the elastic piece 22 and the temperature change of engine oil.

The elastic member 22 may be a spring, rubber, silicone, or the like.

The valve body 21 slides in the adjustment flow passage 31 and contacts the peripheral wall of the adjustment flow passage 31, whereby the valve body 21 can be closed or opened to the first oil outlet hole 32. Specifically, when the oil temperature is low, the oil cooler 1 is not required to cool the oil, at this time, as shown in fig. 3, the valve core 21 can be made to slide to the first position, even if the valve core 21 slides to the end where the first oil outlet 32 communicates with the adjusting flow passage 31, so that the valve core 21 plugs the end where the first oil outlet 32 communicates with the adjusting flow passage 31, thereby closing the first oil outlet 32, and at this time, the oil of the transmission cannot enter the first oil outlet 32, so that the oil cannot enter the oil cooler 1, so that the oil of the transmission is not cooled.

Fig. 4 is a schematic diagram of a section A-A in fig. 1 according to a second exemplary embodiment, when the temperature of the engine oil is high, the engine oil needs to be cooled by the oil cooler 1, at this time, as shown in fig. 4, the valve core 21 moves from the first position to the second position in the adjusting flow passage 31 along with the increase of the temperature of the engine oil, that is, the valve core 21 gradually opens the first oil outlet 32, so that the first oil outlet 32 is communicated with the adjusting flow passage 31, and after the engine oil of the transmission enters the adjusting flow passage 31 through the first oil inlet passage 33, the engine oil enters the first oil outlet 32, so that the engine oil flows through the first oil outlet 32 and enters the oil cooler 1, so that the oil cooler 1 cools the engine oil.

In some embodiments, when the oil temperature of the engine oil is low, the engine oil does not pass through the oil cooler 1 to cool, and the engine oil entering the first oil inlet passage 33 does not flow back to the transmission through an external pipe, as shown in fig. 2, the adjusting flow passage 31 includes a first flow passage 311 and a second flow passage 312 arranged along the first direction, and the first flow passage 311 and the second flow passage 312 both extend along the first direction and are communicated with each other.

Taking the case that the first oil inlet channel 33 is disposed on the side surface of the casing 3 away from the oil cooler 1 as an example, at this time, the first oil inlet channel 33 and the first oil outlet 32 are both communicated with the first flow channel 311, and along the first direction, the first oil inlet channel 33 and the first oil outlet 32 are both located on one side of the first flow channel 311, which is close to one end of the second flow channel 312 and is away from the second flow channel 312. That is, in the first direction, the minimum distance between the peripheral wall of the first oil feed passage 33 and the end face of the second flow passage 312 near the end of the first flow passage 311, and the minimum distance between the peripheral wall of the first oil outlet hole 32 and the end face of the second flow passage 312 near the end of the first flow passage 311 are both greater than 0, i.e., there is a gap between the end faces of the first oil feed passage 33 and the end face of the second flow passage 312 near the end of the first flow passage 311, and there is a distance between the end faces of the first oil outlet hole 32 and the end face of the second flow passage 312 near the end of the first flow passage 311.

The projection of the oil inlet of the first oil outlet 32 (i.e., the port of the first oil outlet 32 near the end of the adjusting flow passage 31) on the plane where the oil outlet of the first oil inlet channel 33 (i.e., the port of the first oil inlet channel 33 near the end of the adjusting flow passage 31) is located in the oil outlet of the first oil inlet channel 33, i.e., the area of the oil outlet of the first oil inlet channel 33 is larger than the area of the oil inlet of the first oil outlet 32, and the oil outlet of the first oil inlet channel 33 is opposite to the oil inlet of the first oil outlet 32.

The valve body 21 of the thermo valve 2 is located in the first flow path 311 and is slidable in the first flow path 311 between a first position and a second position. When the valve core 21 is located at the first position, the valve core 21 plugs the first oil outlet hole 32, that is, plugs the oil inlet of the first oil outlet hole 32, so that the engine oil entering the regulating flow passage 31 cannot enter the oil cooler 1 to cool, and because the projection of the oil inlet of the first oil outlet hole 32 on the plane of the oil outlet of the first oil inlet passage 33 is located in the oil outlet of the first oil inlet passage 33, and a space is reserved between the first oil outlet hole 32 and the end face of the second flow passage 312, which is close to one end of the first flow passage 311, when the valve core 21 plugs the oil inlet of the first oil outlet hole 32, the oil outlet of the first oil inlet passage 33 cannot be plugged, so that the first oil inlet passage 33 is communicated with one end of the first flow passage 311, which is close to the second flow passage 312, so that the engine oil in the first oil inlet passage 33 can flow through the first oil inlet passage 311 and the second flow passage 312.

It should be noted that, the size of the portion of the valve core 21 for blocking the oil inlet of the first oil outlet hole 32 in the first direction is larger than the size of the oil inlet of the first oil outlet hole 32 and smaller than the size of the oil outlet of the first oil inlet passage 33.

For example, the first oil inlet passage 33 may be coaxially disposed with the first oil outlet hole 32, and the radial dimension of the first oil inlet passage 33 may be made larger than the dimension of the first oil outlet hole 32; the axis of the first oil inlet passage 33 and the axis of the first oil outlet hole 32 may be made parallel, and the axis of the first oil inlet passage 33 may be located on a side of the axis of the first oil outlet hole 32 away from the second flow passage 312.

For example, the first oil inlet channel 33 may also be formed of two parts, specifically, as shown in fig. 3, the first oil inlet channel 33 includes an oil inlet hole 331 and a bypass flow channel 332, the oil inlet hole 331 is disposed on a side wall of the casing 3 away from the oil cooler 1 and extends along a direction close to the oil cooler 1, the oil inlet hole 331 is located on a side of the first flow channel 311 away from the oil cooler 1, and an axis of the oil inlet hole 331 coincides with an axis of the first oil outlet hole 32.

The bypass flow passage 332 is located between the oil inlet 331 and the first flow passage 311 and extends into the first flow passage 311 in a direction away from the oil inlet 331 such that the bypass flow passage 332 communicates with the first flow passage 311, a side of the bypass flow passage 332 near the oil inlet 331 communicates with the oil inlet 331, and an end of the bypass flow passage 332 near the second flow passage 312 is located at a side of the oil inlet 331 near the second flow passage 312 in the first direction.

Since the end of the bypass flow passage 332, which is connected to the first flow passage 311, is the oil outlet of the first oil inlet passage 33, and the end of the bypass flow passage 332, which is close to the second flow passage 312, is located on the side of the first oil outlet hole 32, which is close to the second flow passage 312, in the first direction, when the valve element 21 blocks the first oil outlet hole 32, the end of the bypass flow passage 332, which is close to the second flow passage 312, is not blocked by the valve element 21, so that the bypass flow passage can communicate with the end of the first flow passage 311, which is close to the second flow passage 312, and further communicate with the second flow passage 312 through the first flow passage 311.

In order to facilitate the processing of the bypass flow passage 332, the bypass flow passage 332 may be formed to penetrate the housing 3 in a first direction in a direction away from the second flow passage 312; i.e. the bypass flow channel 332 is blind-hole shaped, so that the bypass flow channel 332 can be machined on the side of the housing 3 remote from the second flow channel 312.

In addition, in order to prevent the engine oil entering the bypass flow passage 332 from flowing into the outside of the housing 3, the transmission oil temperature adjusting device may further include a blocking plug 4, in the first direction, the blocking plug 4 is disposed at an end of the bypass flow passage 332 away from the second flow passage 312 and is in sealing connection with the bypass flow passage 332, and the blocking plug 4 is used to block an end of the bypass flow passage 332 away from the second flow passage 312, so that the bypass flow passage 332 may form a closed flow passage, so as to prevent the engine oil entering the bypass flow passage from flowing out of the housing 3.

As shown in fig. 3, a second oil outlet 34 is also formed in the side wall of the casing 3 near the oil cooler 1, and the second oil outlet 34 communicates with a second flow passage 312 for returning the engine oil to the transmission.

The second oil outlet hole 34 extends to the second flow passage 312 in a direction away from the oil cooler 1, so that an end of the second oil outlet hole 34 away from the oil cooler 1 communicates with the second flow passage 312, and an end of the second oil outlet hole 34 close to the oil cooler 1 may communicate with an oil passage of the transmission through a pipe, or may communicate with the oil passage of the transmission through a flow passage formed in the casing 3 and a flow passage formed in the oil cooler 1.

The axis of the second oil outlet 34 may be perpendicular to the axis of the adjustment flow passage 31, or may form an acute angle with the axis of the adjustment flow passage 31. In order to facilitate the processing and reduce the path along which the oil flows in the second oil outlet hole 34, the second oil outlet hole 34 is generally disposed with its axis perpendicular to the axis of the accommodating flow passage 31.

In order to reduce the space occupied by the piping, it is preferable that the end of the second oil outlet 34 near the oil cooler 1 communicates with the oil passage of the transmission through the flow passage formed in the casing 3 and the flow passage formed in the oil cooler 1. Specifically, fig. 5 is a top view of a transmission oil temperature adjusting apparatus according to an exemplary embodiment, and fig. 6 is a schematic view of a C-C section structure of fig. 5 according to an exemplary embodiment, and as shown in fig. 6, the oil cooler 1 includes a fixing base 11 and a cooling member 12, the fixing base 11 is connected to the housing 3, and the cooling member 12 is fixed to a side wall of the fixing base 11 remote from the housing 3.

The side wall of the shell 3, which is close to the oil cooler 1, is also formed with an oil return hole 35. The oil return hole 35 may penetrate the casing 3 in a direction away from the oil cooler 1, and in order to facilitate arrangement of the components, the oil return hole 35 is generally provided at one side of the first oil outlet hole 32 in the second direction, which is perpendicular to the first direction, i.e., the second direction, such as the direction Y shown in fig. 6, or one side of the second oil outlet hole 34 in the second direction.

The fixed seat 11 is formed with a communication flow passage 111 inside, one end of the communication flow passage 111 communicates with one end of the second oil outlet 34 away from the second flow passage 312, and the other end of the communication flow passage 111 communicates with the oil return hole 35.

The oil that has entered the second flow passage 312 can enter the communication flow passage 111 through the second oil outlet hole 34, and after flowing through the communication flow passage 111, enter the oil return hole 35, and thus, after flowing through the oil return hole 35, flow back into the oil passage of the transmission.

Through set up intercommunication runner 111 in fixing base 11 of oil cooler 1 to and set up oil return hole 35 in casing 3, make the engine oil that does not need the oil cooler 1 to cool down flow back to the oil circuit pipeline of derailleur in through intercommunication runner 111 and oil return hole 35, can further reduce the pipeline that casing 3 outside set up, thereby further reduce the space that occupies after derailleur, temperature detect valve 2 and oil cooler 1 are connected, in order to the arrangement of derailleur.

When the valve element 21 is at the second position, as shown in fig. 4, the valve element 21 slides to a side of the first oil outlet hole 32 close to the second flow passage 312 in a direction approaching to the second flow passage 312, so that the valve element 21 opens the first oil outlet hole 32 and seals one end of the second flow passage 312 close to the first flow passage 311, at this time, the second flow passage 312 is not communicated with the first flow passage 311, the oil entering the regulating flow passage 31 through the first oil inlet passage 33 cannot enter the second flow passage 312, only can enter the first oil outlet hole 32, and after flowing through the first oil outlet hole 32, enters the oil cooler 1 to cool.

The oil cooler 1 can be communicated with an oil way of the transmission through a pipeline, so that the engine oil cooled by the oil cooler 1 flows back to the oil way of the transmission; the flow passage formed inside the oil cooler 1 can be communicated with an oil way of the transmission, so that the engine oil cooled by the oil cooler 1 can flow back to the oil way of the transmission.

In order to reduce the space occupied by the pipes, it is preferable that the oil cooler 1 communicates with the oil passage of the transmission through a flow passage formed inside the oil cooler 1. Specifically, as shown in fig. 4 and 6, a second oil inlet passage 112 and an oil return passage 113 are formed on the side wall of the fixing base 11 near the housing 3, and the second oil inlet passage 112 communicates with the first oil outlet 32 and the cooling member 12. Specifically, the second oil inlet passage 112 extends in a direction away from the casing 3, one end of the second oil inlet passage 112 near the casing 3 communicates with one end of the first oil outlet 32 near the oil cooler 1, and one end of the second oil inlet passage 112 far from the casing 3 communicates with the cooling member 12.

The oil return passage 113 communicates the cooling element 12 with the oil return hole 35. Specifically, the oil return passage 113 extends in a direction away from the casing 3, one end of the oil return passage 113 close to the casing 3 communicates with the oil return hole 35, and one end of the oil return passage 113 away from the casing 3 communicates with the cooling element 12.

With the spool 21 in the second position, the oil in the transmission enters the adjustment flow passage 31 through the first oil inlet passage 33, then enters the second oil inlet passage 112 through the first oil outlet hole 32, flows through the second oil inlet passage 112, then enters the cooling member 12, cools in the cooling member 12, then enters the oil return hole 35 through the oil return passage 113, and flows back to the oil passage of the transmission after flowing through the oil return hole 35.

When the oil temperature of the engine oil of the transmission is lower and is lower than a first preset value, for example, the first preset value may be 60 °, the temperature sensing liquid in the sensor of the thermo valve 2 does not expand, the valve core 21 of the thermo valve 2 does not move, at this time, the valve core 21 of the thermo valve 2 is at a first position, i.e. the first oil outlet 32 is closed, and the engine oil flows through the first oil inlet channel 33, the first flow channel 311, the second flow channel 312, the second oil outlet 34, the communication flow channel 111 and the oil return hole 35 in sequence and then flows back into the transmission, so that the engine oil is not cooled by the oil cooler 1 in the process.

As the oil temperature of the engine oil of the transmission increases, when the oil temperature exceeds a first preset value and is less than a second preset value, for example, the first preset value may be 60 °, the second preset value may be 75 °, the temperature-sensitive liquid in the sensor of the thermo valve 2 expands, the spool 21 of the thermo valve 2 starts to move from the first position to the second position, and when the oil temperature is within the temperature range, the spool 21 of the thermo valve 2 is at an arbitrary position between the first position and the second position, and when the oil temperature changes within the range, the spool 21 of the thermo valve 2 moves between the first position and the second position under the change of the oil temperature and the action of the elastic member 22.

At this time, fig. 7 is a third schematic view of the section A-A in fig. 1, which is shown in an exemplary embodiment, and as shown in fig. 7, the spool 21 of the thermo valve 2 closes off a portion of the first oil outlet hole 32, so that the portion of the first oil outlet hole 32 is in an open state, and the spool 21 of the thermo valve 2 also does not close off the second flow passage 312 near one end of the first flow passage 311, so that the first oil inlet passage 33 communicates with the second flow passage 312 through the first flow passage 311.

Therefore, some of the oil entering the first oil inlet passage 33 enters the first oil outlet hole 32, enters the oil cooler 1 for cooling, enters the oil return hole 35 after cooling, enters the second flow passage 312, and enters the oil return hole 35 after flowing through the second oil outlet hole 34 and the communication flow passage 111, and returns to the oil passage of the transmission after merging the two parts of the oil in the oil return hole 35.

When the oil temperature of the engine oil of the transmission is higher and higher than a second preset value, for example, the second preset value is 75 degrees, at this time, the temperature-sensing liquid in the sensor of the temperature control valve 2 continues to expand, the valve core 21 of the temperature control valve 2 moves to the second position, namely, the first oil outlet 32 is fully opened, the valve core 21 of the temperature control valve 2 seals one end of the second flow channel 312, which is close to the first flow channel 311, and the engine oil flows through the first oil inlet channel 33, the first flow channel 311, the first oil outlet 32, the second oil inlet channel 112, the cooling piece 12, the oil return channel 113 and the oil return hole 35 in sequence and then flows back into the transmission, and in this process, the oil cooler 1 cools the engine oil so that the temperature of the engine oil is reduced below the second preset value.

Through the continuous change of the temperature control valve 2 under the three states, the cooling quantity of the engine oil entering the oil cooler 1 can be regulated and controlled, so that the temperature of the engine oil is controlled, and the temperature of the engine oil is in the optimal temperature between a first preset value and a second preset value, so that the efficient operation of the transmission is ensured.

In some embodiments, the fixing base 11 may be a cubic, cylindrical, or elliptic cylindrical fixing base 11, or may be a fixing base 11 formed by combining a plurality of plates. To facilitate the processing of the flow channel inside the fixing base 11, a fixing base 11 formed by combining a plurality of plates is generally used.

Specifically, fig. 8 is an exploded structural view of the transmission oil temperature adjusting device according to an exemplary embodiment, and as shown in fig. 8, the fixing base 11 includes a bottom plate 114, a first partition 115, and a second partition 116, and the bottom plate 114 is fixed to the housing 3. Specifically, the bottom plate may be fixed to the housing by a fastener such as a bolt or a screw, or may be fixed to the housing by welding, riveting, or the like.

The bottom plate 114 is formed with a first oil inlet through hole 1141, a first communication through hole 1142, and a first oil return through hole 1143; the first partition 115 is fixed to a side of the bottom plate 114 far from the housing 3 and is in sealing connection with the bottom plate 114, and a second oil inlet through hole 1151 and a second communication through hole 1152 are formed in the first partition 115; the second partition plate 116 is fixed to a side of the first partition plate 115 away from the bottom plate 114, and is in sealing connection with the first partition plate 115, and a third oil inlet through hole 1161 and a third oil return through hole 1162 are formed in the second partition plate 116.

The first oil inlet through hole 1141, the second oil inlet through hole 1151 and the third oil inlet through hole 1161 are sequentially communicated to form the second oil inlet passage 112, the first communication through hole 1142, the second communication through hole 1152 and the first oil return through hole 1143 are sequentially communicated to form the communication flow passage 111, and the third oil return through hole 1162, the second communication through hole 1152 and the first oil return through hole 1143 are sequentially communicated to form the oil return passage 113.

It should be noted that, for convenience of processing, the thickness directions of the bottom plate 114, the first partition 115 and the second partition 116 may be the same as the arrangement directions of the casing 3 and the oil cooler 1, and the axes of the first oil inlet through hole 1141, the second oil inlet through hole 1151 and the third oil inlet through hole 1161 are coincident, and the axes of the third oil return through hole 1162 and the first oil return through hole 1143 are coincident. And the second communicating through hole 1152 may be a rectangular through hole, that is, the second communicating through hole 1152 penetrates the first partition 115 along the thickness direction of the first partition 115 and extends along the arrangement direction of the first communicating through hole 1142 and the first oil return through hole 1143, so that the first communicating through hole 1142, the second communicating through hole 1152 and the first oil return through hole 1143 are sequentially communicated to form the communicating flow passage 111.

The first separator 115 and the second separator 116 and the first separator 115 and the bottom plate 114 may be connected by welding to seal the gap between the first separator 115 and the second separator 116 and the gap between the first separator 115 and the bottom plate 114 by welding, or may be fixedly connected by caulking, bolts, screws, or the like, and then the gap between the first separator 115 and the second separator 116 and the gap between the first separator 115 and the bottom plate 114 may be sealed by filling a sealing material such as a sealant.

In addition, as shown in fig. 6 and 7, the gap at the connection between the first oil inlet hole 1141 and the first oil outlet hole 32, the gap at the connection between the first communication hole 1142 and the second oil outlet hole 34, and the gap at the connection between the first oil return hole 1143 and the oil return hole 35 are all provided with a seal ring 5, so that the seal ring 5 seals the first oil inlet hole 1141 and the first oil outlet hole 32, the first communication hole 1142 and the second oil outlet hole 34, and the first oil return hole 1143 and the oil return hole 35.

In some embodiments, fig. 9 is a schematic structural view of a cooling member 12 according to an exemplary embodiment, and as shown in fig. 9, a cooling oil inlet 121 and a cooling oil outlet 122 are formed on a side of the cooling member 12 near the fixing seat 11. The cooling oil inlet 121 communicates with the second oil inlet passage 112 so that the engine oil introduced into the second oil inlet passage 112 enters the cooling member 12 through the cooling oil inlet 121; the cooling oil outlet 122 communicates with the oil return passage 113 so that the engine oil passing through the cold zone of the cooling element 12 enters the oil return passage 113 through the cooling oil outlet 122 and returns to the oil passage of the transmission.

As shown in fig. 8, a cooling water inlet pipe 123 and a cooling water outlet pipe 124 are disposed on a side of the cooling member 12 far away from the fixing seat 11, the cooling water inlet pipe 123 is used for introducing cooling water into the cooling member 12 so as to exchange heat and cool engine oil entering the cooling member 12 through the cooling water, and the cooling water after heat exchange flows out of the cooling member 12 through the cooling water outlet pipe 124.

Fig. 10 is a schematic bottom view of a transmission oil temperature adjusting device according to an exemplary embodiment, fig. 11 is a schematic B-B sectional view of fig. 5 according to an exemplary embodiment, and fig. 12 is a schematic D-D sectional view of fig. 10 according to an exemplary embodiment. As shown in fig. 11 and 12, the cooling member 12 further includes a plurality of oil inlet fins 125 and a plurality of water inlet fins 126, the plurality of oil inlet fins 125 are disposed at intervals along the direction of the fixing base 11 away from the housing 3, and a cooling oil passage for circulating engine oil is formed in the oil inlet fins 125.

The inlet of the cooling gallery communicates with the second oil intake passage 112. Specifically, the inlet of the cooling oil passage communicates with the second oil intake passage 112 through the cooling oil inlet 121. The outlet of the cooling oil passage communicates with the oil return passage 113. Specifically, the outlet of the cooling oil passage communicates with the oil return passage 113 through a cooling oil outlet 122.

The engine oil enters the cooling oil inlet 121 through the second oil inlet passage 112, further enters the cooling oil passage, and flows out to the oil return passage 113 through the cooling oil outlet 122 after flowing through the cooling oil passage, thereby flowing back to the oil passage of the transmission.

The plurality of water inlet fins 126 are arranged at intervals along the direction of the fixing seat 11 away from the shell 3, and cooling water channels for circulating cooling liquid are formed in the water inlet fins 126. The inlet of the cooling water channel is communicated with the cooling water inlet pipe 123, and the outlet of the cooling water channel is communicated with the cooling water outlet pipe 124, so that the cooling water enters the cooling water channel from the cooling water inlet pipe 123 and then flows out from the cooling water outlet pipe 124.

One water inlet fin 126 is arranged between any two adjacent water inlet fins 125, or one water inlet fin 125 is arranged between any two adjacent water inlet fins 126. That is, one oil inlet fin 125 is adjacent to one water inlet fin 126, so that the engine oil in the cooling oil passage and the cooling water in the cooling water passage can exchange heat, so that the engine oil is cooled by the cooling water, and the temperature of the engine oil is adjusted.

In some embodiments, to facilitate the processing of the adjustment flow channel 31, as shown in fig. 2 and 3, one end of the adjustment flow channel 31 may be penetrated through the housing 3, and in particular, the second flow channel 312 may be penetrated through the housing 3 in a direction away from the first flow channel 311, so that the processing of the adjustment flow channel 31 may be performed on a side wall of the housing 3 away from the first flow channel 311 in the first direction.

In order to prevent the engine oil entering the second flow passage 312 from flowing out of the housing 3, the thermo valve 2 may further include a blocking member 23, where the blocking member 23 is disposed at an end of the second flow passage 312 away from the first flow passage 311, and is in sealing connection with the second flow passage 312. Specifically, the blocking piece 23 may be a sealing plug, as shown in fig. 8, and the blocking piece 23 may also be a common plug, and then a second sealing ring 6 is sleeved outside the plug, and the second sealing ring 6 abuts against the peripheral wall of the plug and the inner peripheral wall of the second flow channel 312, so as to realize sealing between the plug and the peripheral wall of the second flow channel 312.

The present application is not limited to the above embodiments, and any changes or substitutions within the technical scope of the present application should be covered by the scope of the present application. Therefore, the protection scope of the application is subject to the protection scope of the claims.

Claims (10)

1. A transmission oil temperature adjusting device, characterized by comprising:

the oil cooler (1) is fixed on a shell (3) of the transmission and is used for cooling engine oil of the transmission;

an adjusting flow passage (31) extending along a first direction is formed in the shell (3), the first direction is perpendicular to the arrangement direction of the shell (3) and the oil cooler (1), a first oil outlet hole (32) is formed in the side wall, close to the oil cooler (1), of the shell (3), the first oil outlet hole (32) is communicated with the adjusting flow passage (31) and the oil cooler (1), a first oil inlet passage (33) communicated with the adjusting flow passage (31) is further formed in the side wall of the shell (3), and the first oil inlet passage (33) is used for enabling engine oil of the transmission to enter the adjusting flow passage (31);

the temperature control valve (2) is arranged in the adjusting flow channel (31), the temperature control valve (2) comprises a valve core (21), the valve core (21) is in contact with the peripheral wall of the adjusting flow channel (31), and the valve core can slide in the adjusting flow channel (31) along the first direction so as to open or close the first oil outlet (32).

2. The transmission oil temperature adjusting device according to claim 1, wherein the adjusting flow passage (31) includes a first flow passage (311) and a second flow passage (312) arranged in the first direction, the first flow passage (311) and the second flow passage (312) each extending in the first direction and communicating with each other; the second flow passage (312) is used for returning the engine oil to the transmission

The first oil inlet channel (33) is arranged on the side surface of the shell (3) away from the oil cooler (1), the first oil inlet channel (33) and the first oil outlet hole (32) are communicated with the first flow channel (311), along the first direction, the first oil inlet channel (33) and the first oil outlet hole (32) are positioned on one side, away from the second flow channel (312), of one end, close to the second flow channel (312), of the first flow channel (311), and the projection of the oil inlet of the first oil outlet hole (32) on the plane of the oil outlet of the first oil inlet channel (33) is positioned in the oil outlet of the first oil inlet channel (33);

the valve core (21) is located in the first runner (311) and can slide between a first position and a second position, the valve core (21) is located under the condition of the first position, the first oil outlet (32) is blocked, the first runner (311) is communicated with the first oil inlet channel (33) and the second runner (312), the valve core (21) is in the condition of the second position, the first oil outlet (32) is opened, and the second runner (312) is blocked to be close to one end of the first runner (311).

3. Transmission oil temperature regulating device according to claim 2, characterized in that the oil cooler (1) comprises a fixed seat (11) and a cooling element (12), the fixed seat (11) being connected to the housing (3), the cooling element (12) being fixed to a side wall of the fixed seat (11) remote from the housing (3);

an oil return hole (35) and a second oil outlet hole (34) are further formed in the side wall, close to the oil cooler (1), of the shell (3), and the second oil outlet hole (34) is communicated with the second flow channel (312) and used for enabling the engine oil to flow back to the transmission;

the inside of fixing base (11) is formed with intercommunication runner (111), the one end of intercommunication runner (111) with one end that second oil outlet (34) kept away from second runner (312) communicates, the other end of intercommunication runner (111) with oil return hole (35) intercommunication.

4. A transmission oil temperature adjusting device according to claim 3, wherein a second oil inlet passage (112) and an oil return passage (113) are formed in the side wall of the fixing seat (11) adjacent to the housing (3), the second oil inlet passage (112) communicates with the first oil outlet hole (32) and the cooling member (12), and the oil return passage (113) communicates with the cooling member (12) and the oil return hole (35).

5. The transmission oil temperature adjustment device according to any one of claims 2 to 4, characterized in that the first oil intake passage (33) includes:

the oil inlet hole (331) is formed in the side wall, far away from the oil cooler (1), of the shell (3) and extends in the direction close to the oil cooler (1), the oil inlet hole (331) is formed in one side, far away from the oil cooler (1), of the first runner (311), and the axis of the oil inlet hole (331) coincides with the axis of the first oil outlet hole (32);

bypass runner (332), be located inlet port (331) with first runner (311) between, and along keeping away from direction of inlet port (331) extends to in first runner (311), so that bypass runner (332) with first runner (311) intercommunication, bypass runner (332) be close to one side of inlet port (331) with inlet port (331) intercommunication, and along the first direction, bypass runner (332) are close to one end of second runner (312) is located first oil outlet hole (32) are close to one side of second runner (312).

6. Transmission oil temperature adjusting device according to claim 4, characterized in that the fixing seat (11) comprises:

the bottom plate (114) is fixed on the shell (3), and a first oil inlet through hole (1141), a first communication hole (1142) and a first oil return through hole (1143) are formed on the bottom plate (114);

The first partition plate (115) is fixed on one side, far away from the shell (3), of the bottom plate (114) and is in sealing connection with the bottom plate (114), and a second oil inlet through hole (1151) and a second communication through hole (1152) are formed in the first partition plate (115);

the second partition plate (116) is fixed on one side, far away from the bottom plate (114), of the first partition plate (115), and is in sealing connection with the first partition plate (115), and a third oil inlet through hole (1161) and a third oil return through hole (1162) are formed in the second partition plate (116);

the first oil inlet through hole (1141), the second oil inlet through hole (1151) and the third oil inlet through hole (1161) are sequentially communicated to form the second oil inlet channel (112), the first communication through hole (1142), the second communication through hole (1152) and the first oil return through hole (1143) are sequentially communicated to form the communication flow channel (111), and the third oil return through hole (1162), the second communication through hole (1152) and the first oil return through hole (1143) are sequentially communicated to form the oil return channel (113).

7. The transmission oil temperature adjusting device according to claim 3 or 4, characterized in that the cooling member (12) includes:

the plurality of oil inlet fins (125) are arranged at intervals along the direction of the fixing seat (11) away from the shell (3), cooling oil channels for circulating engine oil are formed in the oil inlet fins (125), an inlet of each cooling oil channel is communicated with the second oil inlet channel (112), and an outlet of each cooling oil channel is communicated with the oil return channel (113);

A plurality of water inlet fins (126) are arranged at intervals along the direction of the fixing seat (11) away from the shell (3), and cooling water channels for cooling liquid circulation are formed in the water inlet fins (126); one water inlet fin (126) is arranged between any two adjacent water inlet fins (125), or one water inlet fin (125) is arranged between any two adjacent water inlet fins (126).

8. The transmission oil temperature adjustment device according to any one of claims 2-4, characterized in that the thermo valve (2) further comprises an elastic member (22), the elastic member (22) being connected in the adjustment flow passage (31) and with the valve spool (21); the valve core (21) can slide between the first position and the second position under the action of the elastic piece (22) and the temperature change of the engine oil;

and/or the number of the groups of groups,

the second flow passage (312) penetrates the housing (3) in a direction away from the first flow passage (311); the temperature control valve (2) further comprises a blocking piece (23), wherein the blocking piece (23) is arranged at one end, far away from the first flow passage (311), of the second flow passage (312), and is in sealing connection with the second flow passage (312).

9. The transmission oil temperature adjusting device according to claim 5, wherein in the first direction, the bypass flow passage (332) penetrates the housing (3) in a direction away from the second flow passage (312);

The transmission oil temperature adjusting device further comprises a blocking plug (4), and in the first direction, the blocking plug (4) is arranged at one end, far away from the second flow passage (312), of the bypass flow passage (332) and is in sealing connection with the bypass flow passage (332).

10. A vehicle comprising a transmission oil temperature adjustment device according to any one of claims 1 to 9.