CN205154356U - Outer circulative cooling pipeline of engine - Google Patents

Abstract

The utility model discloses an engine external circulation cooling pipeline, which comprises an intercooler water inlet pipe and an intercooler return water pipe, and also includes a supercharger water inlet pipe and a supercharger return water pipe, and the intercooler water inlet pipe is integrally formed. There is a supercharger water inlet pipe connecting pipe section for connecting the water inlet end of the supercharger water inlet pipe, and a supercharger water return pipe connecting pipe section for connecting the water outlet end of the supercharger water return pipe is arranged on the intercooler return pipe. The direction of the water flowing into the return pipe of the intercooler from the connecting pipe section of the compressor return pipe is set away from the center line of the connection of the return pipe of the supercharger; no three-way valve structure is required for connection, which can ensure smooth water supply and simplify the connection structure , while simplifying the cooling installation structure of the supercharging system, reducing the occupied space and unnecessary installation requirements, making the vehicle compact in structure, beautiful in appearance, and reducing use and maintenance costs.

Description

Engine external circulation cooling pipeline

technical field

The utility model relates to the field of engine cooling, in particular to an engine external circulation cooling pipeline.

Background technique

Turbocharging technology uses the inertial momentum of the exhaust gas discharged from the engine to pressurize the air sent by the air filter pipe to pressurize it into the cylinder. In order to reduce the supercharging intake temperature and improve the charging efficiency, it is necessary to cool the turbocharging system. The current common practice is to set up a separate cooling water pump (usually an electronically controlled water pump), and set up a set of water inlet pipes and outlet pipes corresponding to the supercharger and the intercooler, and through a three-way valve or other devices, the intercooler The water inlet pipe and water outlet pipe of the supercharger, the water inlet pipe and the water outlet pipe of the supercharger are respectively connected with the water inlet and water outlet of the cooling water pump, and the structure is quite complicated; The unreasonable orientation of the auxiliary components and pipelines can easily interfere with the cooling effect and component installation settings.

Therefore, it is necessary to propose an engine external circulation cooling pipeline, which can make the cooling water required by the supercharger and the intercooler have a good direction, meet the cooling requirements of the supercharger system, and simplify the installation structure of the supercharger system cooling. Reduce space occupation and unnecessary installation requirements, make the vehicle compact in structure, beautiful in appearance, and reduce use and maintenance costs.

Utility model content

In view of this, the utility model provides an engine external circulation cooling pipeline, which can make the cooling water required by the supercharger and the intercooler have a good direction, meet the cooling requirements of the supercharging system, and simplify the cooling of the supercharging system The installation structure reduces the occupied space and unnecessary installation requirements, makes the whole vehicle compact in structure, beautiful in appearance, and reduces the cost of use and maintenance.

The engine external circulation cooling pipeline of the utility model includes an intercooler water inlet pipe and an intercooler return water pipe, and also includes a supercharger water inlet pipe and a supercharger return water pipe. The intercooler water inlet pipe is integrally formed with a The connecting pipe section of the supercharger water inlet pipe connected to the water inlet end of the supercharger water inlet pipe, and the connecting pipe section of the supercharger water return pipe connected to the water outlet end of the supercharger water return pipe is arranged on the return water pipe of the intercooler. The inflow direction of water flowing into the water return pipe of the intercooler from the connecting pipe section of the water pipe deviates from the center line of the connection of the return water pipe of the supercharger.

Further, the water flow entering direction of the connecting pipe section of the supercharger water inlet pipe is set at an included angle of 60° with the water flow advancing direction in the supercharger water inlet pipe at the junction.

Furthermore, the direction of water flow from the supercharger return water pipe connecting pipe section into the intercooler return water pipe is along the tangential direction of the supercharger return water pipe at the connection.

Furthermore, the water inlet pipe of the intercooler, the water return pipe of the intercooler, the water inlet pipe of the supercharger and the water return pipe of the supercharger are all bent pipe structures, and the bends are smooth transition structures.

Further, the center line of the water outlet of the water inlet pipe of the intercooler is parallel to the center line of the water inlet of the return water pipe of the intercooler.

Further, the water inlet pipe section of the intercooler water inlet pipe is an elbow section with an included angle of 45°-70°, and the water outlet pipe section is an elbow section with a 90° angle.

Further, the water inlet end pipe section of the return water pipe of the intercooler is a 90°-110° bend pipe section, and the water outlet end pipe section is a straight pipe section.

Further, the water inlet pipe of the intercooler, the water return pipe of the intercooler, the water inlet pipe of the supercharger and the water return pipe of the supercharger are all metal pipes.

Beneficial effects of the present utility model: the engine external circulation cooling pipeline of the present utility model communicates with the supercharger inlet pipe section and the supercharger return pipe section, so that the supercharger return pipe and the supercharger inlet pipe can be connected one by one. Correspondingly communicate with the return water pipe of the intercooler and the inlet pipe of the intercooler, without the need for a three-way valve structure to communicate, it can ensure smooth water supply, simplify the connection structure, and simplify the installation structure of the booster system cooling, reducing the occupied space and Unnecessary installation requirements make the vehicle compact in structure, beautiful in appearance, and reduce use and maintenance costs.

Description of drawings

Below in conjunction with accompanying drawing and embodiment the utility model is described further.

Fig. 1 is the structural representation of the utility model.

detailed description

Fig. 1 is a schematic structural diagram of the utility model, as shown in the figure: the engine external circulation cooling pipeline of the present embodiment includes an intercooler water inlet pipe 2 and an intercooler return water pipe 3, and also includes a supercharger water inlet pipe 5 and a booster Compressor water return pipe 6, intercooler water inlet pipe 2 is integrally formed with supercharger water inlet pipe connecting pipe section 2-3 for the water inlet end of supercharger water inlet pipe 5 to communicate, and intercooler return water pipe is provided with for The supercharger return pipe connecting pipe section 3-3 connected to the water outlet end of the supercharger return pipe 6, the flow direction of the water flow from the supercharger return pipe connecting pipe section into the intercooler return pipe deviates from The center line is set; as shown in the figure, the two ends of the water inlet pipe 2 of the intercooler are respectively connected to the water outlet of the water pump 7 and the water inlet of the intercooler 1, and the two ends of the return pipe of the intercooler are respectively connected to the water outlet of the intercooler 1 and the water inlet of the intercooler 1. The water inlet of water pump 7, the water inlet end of supercharger water inlet pipe 5 is directly connected with the supercharger water inlet pipe connecting pipe section for water intake, and the water outlet end of supercharger water inlet pipe is communicated with the water inlet of supercharger 4, increasing The water inlet end of the return pipe of the supercharger is connected with the water outlet of the supercharger, and the water outlet end of the return pipe of the supercharger is directly connected with the connection section of the return pipe of the supercharger for water outlet. The connecting pipe sections of the compressor return pipe are respectively integrally formed on the inlet pipe of the intercooler and the return pipe of the intercooler, which can realize quick loading and unloading and have good sealing performance.

In this embodiment, the water flow entering direction of the connecting pipe section of the supercharger water inlet pipe is set at an included angle of 60° with the direction of water flow in the water inlet pipe of the supercharger at the connection to ensure smooth water inlet.

In this embodiment, the flow direction of the water flowing into the intercooler return pipe from the connecting pipe section of the supercharger return pipe is along the tangential direction of the supercharger return pipe at the joint; that is, the connecting pipe section of the supercharger return pipe and the supercharger return pipe The tangential connection can make the water flow from the connecting pipe section of the return water pipe of the supercharger enter the return water pipe of the intercooler along the tangential direction, and will not collide with the cooling water flow returning from the intercooler in the return water pipe of the intercooler, ensuring the water flow smooth.

In this embodiment, the inlet pipe 2 of the intercooler, the return pipe 3 of the intercooler, the inlet pipe 5 of the supercharger and the return pipe 6 of the supercharger are all curved pipe structures, and the bends are smooth transition structures; the structure is reasonable , while having a reasonable orientation, it can prevent interference with various components.

In this embodiment, the center line of the water outlet of the intercooler inlet pipe 2 is parallel to the center line of the water inlet of the intercooler return pipe; And the structure arranged in parallel, the water inlet pipe 2 of the intercooler and the water return pipe of the intercooler conform to the shape, and the length of the pipeline can be shortened, thereby reducing the occupied space and making the structure compact.

In this embodiment, the inlet end pipe section of the intercooler water inlet pipe 2 is an elbow section 2-1 with an included angle of 45°-70°, and the outlet end pipe section is an elbow section 2-2 with a 90° angle; optimal Yes, the elbow section 2-1 is 45°, 60° or 70°.

In this embodiment, the water inlet pipe section of the intercooler return pipe is a 90°-110° elbow section 3-1, and the water outlet pipe section is a straight pipe section 3-2; optimally, the elbow section 3-1 90°, 100°, 110°.

In this embodiment, the water inlet pipe of the intercooler, the water return pipe of the intercooler, the water inlet pipe of the supercharger and the water return pipe of the supercharger are all metal pipes; they may be aluminum pipes or steel pipes.

Finally, it is noted that the above embodiments are only used to illustrate the technical solutions of the present utility model without limitation. Although the utility model has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that the utility model can be Modifications or equivalent replacements of the technical solutions without departing from the purpose and scope of the technical solutions of the utility model shall be covered by the claims of the utility model.

Claims (8)

1. An engine external circulation cooling pipeline, characterized in that: it includes an intercooler water inlet pipe and an intercooler return water pipe, and also includes a supercharger water inlet pipe and a supercharger return water pipe, and on the intercooler water inlet pipe Integral molding is provided with a supercharger water inlet pipe connecting section for connecting the water inlet end of the supercharger water inlet pipe, and the intercooler return pipe is provided with a supercharger water return pipe for connecting the water outlet end of the supercharger water return pipe The connecting pipe section is set so that the inflow direction of the water flow from the supercharger return water pipe connecting pipe section into the intercooler return pipe deviates from the center line of the supercharger return water pipe connection. 2. The engine external circulation cooling pipeline according to claim 1, characterized in that: the water flow entering direction of the connected pipe section of the supercharger water inlet pipe forms an included angle of 60° with the direction of water flow in the supercharger water inlet pipe at the connection point set up. 3. The engine external circulation cooling pipeline according to claim 2, characterized in that: the direction of water flowing into the intercooler return pipe from the connecting pipe section of the supercharger return pipe is along the tangential direction of the supercharger return pipe at the joint . 4. The engine external circulation cooling pipeline according to claim 3, characterized in that: the water inlet pipe of the intercooler, the water return pipe of the intercooler, the water inlet pipe of the supercharger and the water return pipe of the supercharger are all bent pipes structure, and the bend is a smooth transition structure. 5. The engine external circulation cooling pipeline according to claim 4, characterized in that: the center line of the water outlet of the water inlet pipe of the intercooler is parallel to the center line of the water inlet of the return water pipe of the intercooler. 6. The engine external circulation cooling pipeline according to claim 5, characterized in that: the water inlet pipe section of the intercooler water inlet pipe is an elbow section with an included angle of 45°-70°, and the water outlet pipe section is 90° elbow section. 7. The engine external circulation cooling pipeline according to claim 6, characterized in that: the water inlet end pipe section of the intercooler return pipe is a 90°-110° bend pipe section, and the water outlet end pipe section is a straight pipe section . 8. The engine external circulation cooling pipeline according to any one of claims 1-7, characterized in that: the water inlet pipe of the intercooler, the water return pipe of the intercooler, the water inlet pipe of the supercharger and the return pipe of the supercharger The water pipes are all metal pipes.