Speed reducer shell with cooling flow channel

Abstract

The utility model relates to the technical field of electric drive axle speed reducers, in particular to a speed reducer shell with cooling flow channels, which comprises a connecting plate, a first speed reducer shell, a second speed reducer shell and a radiating alloy sheet. A liquid discharge port of the first cooling flow channel is fixedly communicated with the top of the liquid discharge guide groove, a liquid inlet port of the second cooling flow channel is fixedly communicated with the bottom of the liquid inlet guide groove, a liquid discharge port of the second cooling flow channel is fixedly communicated with the bottom of the liquid discharge guide groove, and cooling liquid flows through the first cooling flow channel to cool the heat of the electric device absorbed by the first combined shell. By means of the arrangement, the electric drive axle speed reducer shell structure has the advantages that the cooling liquid can be conveniently subjected to guiding circulation cooling in internal distribution, and the cooling efficiency of the electric parts in an electric drive axle speed reducer is improved.

Description

Technical Field

[0001] This utility model relates to the field of electric drive bridge reducer technology, specifically a reducer housing with cooling channels. Background Technology

[0002] In commercial vehicle electric drive axle reducers, the electric drive axle integrates the motor reducer and differential into a single unit, which has the advantages of high comprehensive energy efficiency. Currently, various research and development entities are committed to integrating the motor and reducer to achieve lightweighting, as well as improving the cooling performance of the electric drive axle reducer, taking the electric drive axle reducer housing as an example.

[0003] Some electric drive bridge reducer housings have a housing structure that makes it inconvenient to guide and circulate the coolant internally for cooling, resulting in poor cooling efficiency for the internal electrical components of the electric drive bridge reducer. Therefore, to address the above problem, a reducer housing with cooling channels is proposed. Utility Model Content

[0004] The purpose of this invention is to provide a reducer housing with cooling channels to solve the problem that some electric drive bridge reducer housings are not conducive to the internal distribution and flow of coolant for cooling, resulting in poor cooling efficiency for the internal electrical components of the electric drive bridge reducer.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] A reducer housing with cooling channels includes a connecting plate, a first reducer housing, a second reducer housing, and heat dissipation alloy fins. The first reducer housing is located at the top of the connecting plate, and the second reducer housing is located at the bottom of the connecting plate. A heat dissipation alloy fin is located at the front end of the first reducer housing. The connecting plate includes a plate body, a pad, a liquid inlet pipe, a liquid outlet pipe, a liquid inlet guide groove, and a liquid outlet guide groove. The pad is fixedly located at the front end of the plate body, and the liquid inlet pipe and the liquid outlet pipe are fixedly located at the front end of the pad. The liquid inlet guide groove and the liquid outlet guide groove are located inside the pad. The first reducer housing includes a first disc body, a first combined housing, and a first cooling channel. The first combined housing is fixedly located at the front end of the first disc body, and the first cooling channel is located inside the first combined housing. The second reducer housing includes a second disc body, a second combined housing, and a second cooling channel. The second combined housing is fixedly located at the front end of the second disc body, and the second cooling channel is located inside the second combined housing. A heat dissipation alloy fin is fixedly located at the front end of the first combined housing.

[0007] Preferably, the infusion pipe is connected to the inlet guide channel, and the drain pipe is connected to the drain guide channel.

[0008] Preferably, the top of the plate is fixedly disposed with the first disk, and the bottom of the plate is fixedly disposed with the second disk.

[0009] Preferably, the top of the liquid inlet guide channel is fixedly connected to the liquid inlet port of the first cooling channel, and the bottom of the liquid inlet guide channel is fixedly connected to the liquid inlet port of the second cooling channel.

[0010] Preferably, the top of the drain guide channel is fixedly connected to the drain port of the first cooling channel, and the bottom of the drain guide channel is fixedly connected to the drain port of the second cooling channel.

[0011] Compared with the prior art, the beneficial effects of this utility model are:

[0012] In this invention, the front end of the infusion pipe is connected to the delivery pipe of the coolant circulation system, and the front end of the drain pipe is connected to the return pipe of the coolant circulation system. The inlet port of the first cooling channel is fixedly connected to the top of the inlet guide groove, and the drain port of the first cooling channel is fixedly connected to the top of the drain guide groove. The inlet port of the second cooling channel is fixedly connected to the bottom of the inlet guide groove, and the drain port of the second cooling channel is fixedly connected to the bottom of the drain guide groove. The coolant flows through the first cooling channel to cool down the heat absorbed by the electrical components in the first combined shell, and the coolant flows through the second cooling channel to cool down the heat absorbed by the electrical components in the second combined shell. This improves the cooling efficiency of the internal electrical components of the electric drive bridge reducer. Through the above arrangement, the housing structure of the electric drive bridge reducer facilitates the internal distribution and flow of coolant for cooling, thereby improving the cooling efficiency of the internal electrical components of the electric drive bridge reducer. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0014] Figure 2 This is a schematic diagram of the first housing and the second housing of the reducer of this utility model;

[0015] Figure 3 This is a schematic cross-sectional view of the internal components of the connecting plate, the first housing of the reducer, and the second housing of the reducer of this utility model.

[0016] Figure 4 This utility model Figure 3 A schematic diagram of the structure on the right side;

[0017] Figure 5 This is a schematic diagram of the first cooling channel structure of this utility model.

[0018] In the diagram: 1. Connecting plate; 11. Plate body; 12. Pad; 13. Infusion pipe; 14. Drain pipe; 15. Inlet guide groove; 16. Drain guide groove; 2. First housing of reducer; 21. First disc body; 22. First combined housing; 23. First cooling channel; 3. Second housing of reducer; 31. Second disc body; 32. Second combined housing; 33. Second cooling channel; 4. Heat dissipation alloy plate. Detailed Implementation

[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0020] In the embodiments of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the position or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations of this utility model. In addition, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance. Similarly, words such as "a," "one," or "the" do not indicate a quantity limitation, but rather indicate the presence of at least one. Words such as "comprising" or "including" mean that the element or object preceding the word covers the element or object listed after the word and its equivalents, without excluding other elements or objects.

[0021] Furthermore, in the embodiments of this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. For those skilled in the art, the specific meaning of the above terms in this utility model can be understood according to the specific circumstances.

[0022] Please see Figure 1-5 This utility model provides a technical solution:

[0023] A reducer housing with cooling channels includes a connecting plate 1, a first reducer housing 2, a second reducer housing 3, and heat dissipation alloy fins 4. The first reducer housing 2 is located at the top of the connecting plate 1, and the second reducer housing 3 is located at the bottom of the connecting plate 1. The heat dissipation alloy fins 4 are located at the front end of the first reducer housing 2. The connecting plate 1 includes a plate body 11, a gasket 12, an inlet pipe 13, a drain pipe 14, an inlet guide groove 15, and a drain guide groove 16. The gasket 12 is fixedly located at the front end of the plate body 11, and the inlet pipe 13 and the drain pipe 14 are fixedly located at the front end of the gasket 12. The gasket 12 has internal... The reducer is equipped with an inlet guide groove 15 and a drain guide groove 16. The first housing 2 of the reducer includes a first disc body 21, a first combined housing 22 and a first cooling channel 23. The first combined housing 22 is fixedly installed at the front end of the first disc body 21, and the first cooling channel 23 is provided inside the first combined housing 22. The reducer is equipped with a second disc body 31, a second combined housing 32 and a second cooling channel 33. The second combined housing 32 is fixedly installed at the front end of the second disc body 31, and the second cooling channel 33 is provided inside the second combined housing 32. A heat dissipation alloy plate 4 is fixedly installed at the front end of the first combined housing 22.

[0024] The infusion pipe 13 is connected to the inlet guide 15, and the drain pipe 14 is connected to the drain guide 16. Through the above arrangement, the inlet guide 15 is connected to the first cooling channel 23 and the second cooling channel 33 for infusion treatment, and the drain guide 16 is connected to the first cooling channel 23 and the second cooling channel 33 for drain treatment.

[0025] The top of the plate 11 is fixedly set to the first disc 21, and the bottom of the plate 11 is fixedly set to the second disc 31. Through the above arrangement, the connecting plate 1, the first housing 2 of the reducer, the second housing 3 of the reducer, and the heat dissipation alloy plate 4 together form the main structure of the electric drive bridge reducer housing.

[0026] The top of the liquid inlet guide 15 is fixedly connected to the liquid inlet port of the first cooling channel 23, and the bottom of the liquid inlet guide 15 is fixedly connected to the liquid inlet port of the second cooling channel 33. Through the above arrangement, the liquid inlet guide 15 and the liquid delivery pipe 13 are connected to the delivery pipeline of the coolant circulation system.

[0027] The top of the drain guide 16 is fixedly connected to the drain port of the first cooling channel 23, and the bottom of the drain guide 16 is fixedly connected to the drain port of the second cooling channel 33. Through the above arrangement, the drain guide 16 and the drain pipe 14 are connected to the return pipe of the coolant circulation system.

[0028] Work process: This utility model provides a reducer housing with cooling channels. The structure of the electric drive bridge reducer housing facilitates the internal distribution and flow of coolant for cooling, thereby improving the cooling efficiency of the internal electrical components of the electric drive bridge reducer.

[0029] The connecting plate 1, the first housing 2 of the reducer, the second housing 3 of the reducer, and the heat dissipation alloy plate 4 together form the main structure of the electric drive bridge reducer housing. The front end of the liquid delivery pipe 13 is connected to the delivery pipe of the coolant circulation system, and the front end of the drain pipe 14 is connected to the return pipe of the coolant circulation system.

[0030] The inlet port of the first cooling channel 23 is fixedly connected to the top of the inlet guide trough 15, and the outlet port of the first cooling channel 23 is fixedly connected to the top of the outlet guide trough 16. The inlet port of the second cooling channel 33 is fixedly connected to the bottom of the inlet guide trough 15, and the outlet port of the second cooling channel 33 is fixedly connected to the bottom of the outlet guide trough 16. The heat emitted by the internal electrical components of the electric drive bridge reducer is absorbed by the first combined shell 22 and the second combined shell 32. The coolant flows through the first cooling channel 23 to cool down the heat absorbed by the electrical components in the first combined shell 22, and the coolant flows through the second cooling channel 33 to cool down the heat absorbed by the electrical components in the second combined shell 32, thereby improving the cooling efficiency of the internal electrical components of the electric drive bridge reducer.

[0031] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A reducer housing with cooling channels, comprising a connecting plate (1), a first reducer housing (2), a second reducer housing (3), and heat dissipation alloy plates (4), characterized in that: The top of the connecting plate (1) is provided with a first reducer housing (2), and the bottom of the connecting plate (1) is provided with a second reducer housing (3). The front end of the first reducer housing (2) is provided with a heat dissipation alloy fin (4). The connecting plate (1) includes a plate body (11), a pad (12), an infusion pipe (13), a drain pipe (14), an inlet guide groove (15), and a drain guide groove (16). The front end of the plate body (11) is fixedly provided with a pad (12). The front end of the pad (12) is fixedly provided with an infusion pipe (13) and a drain pipe (14). The inside of the pad (12) is provided with an inlet guide groove (15) and a drain guide groove (16). The first housing (2) of the reducer includes a first disc body (21), a first combined housing (22) and a first cooling channel (23). The first combined housing (22) is fixedly provided at the front end of the first disc body (21), and the first cooling channel (23) is provided inside the first combined housing (22). The second housing (3) of the reducer includes a second disc body (31), a second combined housing (32) and a second cooling channel (33). The second combined housing (32) is fixedly provided at the front end of the second disc body (31), and the second cooling channel (33) is provided inside the second combined housing (32). The heat dissipation alloy plate (4) is fixedly provided at the front end of the first combined housing (22).

2. The reducer housing with cooling channels according to claim 1, characterized in that: The infusion pipe (13) is connected to the inlet guide channel (15), and the drain pipe (14) is connected to the drain guide channel (16).

3. The reducer housing with cooling channels according to claim 1, characterized in that: The top of the plate (11) is fixedly disposed with the first disc (21), and the bottom of the plate (11) is fixedly disposed with the second disc (31).

4. The reducer housing with cooling channels according to claim 1, characterized in that: The top of the liquid inlet guide groove (15) is fixedly connected to the liquid inlet port of the first cooling channel (23), and the bottom of the liquid inlet guide groove (15) is fixedly connected to the liquid inlet port of the second cooling channel (33).

5. A reducer housing with cooling channels according to claim 1, characterized in that: The top of the drain guide channel (16) is fixedly connected to the drain port of the first cooling channel (23), and the bottom of the drain guide channel (16) is fixedly connected to the drain port of the second cooling channel (33).

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