Engine supercharger and engine

Abstract

The utility model relates to an engine supercharger and an engine. The engine supercharger comprises a turbine end shell, a middle body and a pressure end shell. One end of the middle body is connected with one end of the vortex end shell, a first cooling water channel is formed in the middle body, and the first cooling water channel comprises a first water inlet and a first water outlet; the pressure end shell is connected with one end, far away from the vortex end shell, of the middle body, a second cooling water channel is arranged in the pressure end shell and comprises a second water inlet and a second water outlet, and the second water inlet is communicated with the first water outlet; according to the engine supercharger, the turbine end of the engine supercharger can be cooled, meanwhile, the pressure end of the supercharger can be cooled, and waste gasoline coking caused by the fact that the temperature of an outlet of a gas compressor is too high is avoided; and the cooling water channel also reduces the weight and the material consumption of the whole supercharger to a certain extent, so that the installation and the transportation of equipment are facilitated, and meanwhile, the cost is also reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile, especially an engine supercharger and engine. BACKGROUND

[0002] The engine supercharger is a device for increasing the air intake pressure of a cylinder, which increases the air intake amount by compressing air to improve air density, and thus improves the power and efficiency of the engine.

[0003] The existing engine supercharger is provided with a cooling water jacket only at the position close to the vortex end on the shell, cannot well cool the compression end, and thus the exhaust gas oil of the compressor outlet is easy to coke, which affects the normal operation of the supercharger. SUMMARY

[0004] Therefore, the utility model wants to solve the technical problem in prior art that the engine supercharger is provided with a cooling water jacket only at the position close to the vortex end on the shell, cannot well cool the compression end, and thus the exhaust gas oil of the compressor outlet is easy to coke, which affects the normal operation of the supercharger.

[0005] To solve the above technical problem, the utility model provides an engine supercharger, which comprises,

[0006] A vortex end shell;

[0007] An intermediate body, one end of the intermediate body is connected with one end of the vortex end shell, and a first cooling water channel is arranged in the intermediate body, the first cooling water channel comprises a first water inlet and a first water outlet;

[0008] A compression end shell, the compression end shell is connected with the end of the intermediate body away from the vortex end shell, a second cooling water channel is arranged in the compression end shell, the second cooling water channel comprises a second water inlet and a second water outlet, and the second water inlet is communicated with the first water outlet.

[0009] In an embodiment of the utility model, an extension is integrally formed on the intermediate body, a cylindrical protrusion is arranged on the free end of the extension, the first water outlet is coaxially arranged on the end face of the protrusion, a circular groove matched with the protrusion is arranged on the compression end shell, and the second water inlet is coaxially arranged on the bottom face of the circular groove.

[0010] In an embodiment of the utility model, a sealing ring is arranged between the intermediate body and the compression end shell and surrounds the protrusion.

[0011] In one embodiment of the utility model, the compression end shell is provided with a step surface coaxial with the circular groove, and the sealing ring is compressed on the step surface.

[0012] In one embodiment of the utility model, a first installation surface is formed on the side surface of the intermediate body, the first water inlet is formed on the first installation surface, and two first connecting holes are symmetrically formed on the first installation surface and located on the two sides of the first water inlet.

[0013] In one embodiment of the utility model, a second installation surface is formed on the side surface of the compression end shell, the second water outlet is formed on the second installation surface, and two second connecting holes are symmetrically formed on the second installation surface and located on the two sides of the second water outlet.

[0014] In one embodiment of the utility model, the first cooling water channel comprises a first annular water channel, a first water inlet channel and a first water outlet channel, the first annular water channel is coaxially arranged in the intermediate body, one end of the first water inlet channel is communicated with the annular water channel, the other end of the first water inlet channel extends to the outside of the intermediate body, one end of the water outlet channel is communicated with the annular water channel, and the other end of the water outlet channel extends to the outside of the intermediate body.

[0015] In one embodiment of the utility model, the second cooling water channel comprises a second annular water channel, a second water inlet channel and a second water outlet channel, the second annular water channel is coaxially arranged in the compression end shell, one end of the second water inlet channel is communicated with the second annular water channel, the other end of the second water inlet channel extends to the outside of the compression end shell, one end of the second water outlet channel is communicated with the second annular water channel, and the other end of the second water outlet channel extends to the outside of the compression end shell.

[0016] In one embodiment of the utility model, one end of the compression end shell is provided with a mounting groove matched with the shape of the end of the intermediate body away from the vortex end shell, the end of the intermediate body away from the vortex end shell is embedded in the mounting groove, a plurality of bolt holes are arranged on the compression end shell and surround the intermediate body, and a bolt is screwed in each bolt hole to compress the intermediate body on the vortex end shell.

[0017] An engine comprises the engine supercharger according to any one of the preceding embodiments.

[0018] Compared with the prior art, the above technical scheme of the utility model has the following advantages:

[0019] The utility model discloses a kind of engine supercharger and engine, including vortex end shell, intermediate body and pressure end shell;The one end of intermediate body is connected with the one end of vortex end shell, and first cooling water channel is set in intermediate body, and first cooling water channel includes first water inlet and first water outlet;Pressure end shell is connected with the one end of intermediate body away from vortex end shell, second cooling water channel is provided in pressure end shell, and second cooling water channel includes second water inlet and second water outlet, and second water inlet is communicated with first water outlet;A kind of engine supercharger and engine of the utility model can be cooled while being cooled to the vortex end of engine supercharger, also cooling pressure end of supercharger, avoid that the temperature of air compressor outlet is too high and lead to waste gasoline coking;And cooling water channel also reduces the weight and material of entire supercharger to some extent, be conducive to the installation and transportation of equipment, also reduce cost. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to make the content of the utility model more easily be clearly understood, the following is according to the specific embodiment of the utility model and combines with the drawings, the utility model is further detailed, wherein

[0021] Figure 1 It is the cross-sectional view of engine supercharger of preferred embodiment of the utility model;

[0022] Figure 2 It is Figure 1 It is the enlarged view of part A of the engine supercharger;

[0023] Figure 3 It is the structure schematic view that intermediate body and pressure end shell of engine supercharger of preferred embodiment of the utility model are connected together;

[0024] Figure 4 It is the structure schematic view of first visual angle of intermediate body of engine supercharger of preferred embodiment of the utility model;

[0025] Figure 5 It is the structure schematic view of second visual angle of intermediate body of engine supercharger of preferred embodiment of the utility model;

[0026] Figure 6 It is the structure schematic view of pressure end shell of engine supercharger of preferred embodiment of the utility model.

[0027] Description of the Drawings: 1, vortex end shell;2, intermediate body;21, first cooling water channel;211, first water inlet;212, first water outlet;22, extension;221, protrusion;23, first mounting surface;3, pressure end shell;31, second cooling water channel;311, second water inlet;312, second water outlet;32, round groove;33, step surface;34, second mounting surface;35, bolt hole;4, sealing ring. DETAILED DESCRIPTION

[0028] The utility model will be further described below in combination with the drawings and specific embodiments, so that the skilled in the art can better understand the utility model and can be implemented, but the embodiment is not as the limitation of the utility model. Embodiment one

[0029] Referring to Figures 1-6 The utility model discloses an engine supercharger, comprising,

[0030] Vortex end casing 1;

[0031] Intermediate body 2, one end of intermediate body 2 is connected with one end of vortex end casing 1, and first cooling water channel 21 is set up in intermediate body 2, and first cooling water channel 21 includes first water inlet 211 and first water outlet 212;

[0032] Compression end casing 3, compression end casing 3 is connected with one end of intermediate body 2 away from vortex end casing 1, and second cooling water channel 31 is arranged in compression end casing 3, and second cooling water channel 31 includes second water inlet 311 and second water outlet 312, and second water inlet 311 is communicated with first water outlet 212.

[0033] Specifically, the water outlet end and the backwater end of the external cooling water circulating device are connected with first water inlet 211 and second water outlet 312 respectively through the pipeline, and cooling water can be input into the cooling water path composed of first cooling water channel 21 and second cooling water channel 31 through the cooling water circulating device, which not only can cool the vortex end of the engine supercharger, but also can cool the compression end of the supercharger, reduces the temperature of the compressor outlet, avoids the coking of waste oil, so as to ensure the normal operation of the supercharger and the engine.

[0034] The utility model relates to an engine supercharger and engine, can cool the vortex end of engine supercharger, also cool the compression end of supercharger, avoid the coking of waste oil caused by the temperature of compressor outlet being too high, and the cooling water channel reduces the weight and material of the whole supercharger to a certain extent, is favorable to the installation and transportation of equipment, and also reduces the cost.

[0035] Referring to Figure 3 、 Figure 4 and Figure 5As shown, further, the intermediate body 2 is integrally formed with an extension 22, the free end of the extension 22 is provided with a cylindrical protrusion 221, the first water outlet 212 is coaxially arranged on the end face of the protrusion 221, and the compression end shell 3 is provided with a circular groove 32 matching the protrusion 221, and the second water inlet 311 is coaxially arranged on the bottom face of the circular groove 32. When the intermediate body 2 and the compression end shell 3 are connected, the protrusion 221 and the circular groove 32 are embedded in each other to make the second water inlet 311 communicate with the first water outlet 212. Specifically, the extension 22 extends perpendicularly to the axial direction of the intermediate body 2, the free end of the extension 22 is L-shapedly bent and coaxially connected with the cylindrical (not limited to cylindrical) protrusion 221. When the intermediate body 2 and the compression end shell 3 are connected together, the protrusion 221 is embedded in the circular groove 32 on the compression end shell 3 to connect the first cooling water channel 21 and the second cooling water channel 31 to form a cooling channel with a larger cooling range; and the circular groove 32 on the compression end shell 3 is coaxially provided with a stepped face 33, and the free end of the extension 22 and the compression end shell 3 are abutted together to press the sealing ring 4 against the stepped face 33 to seal the abutted position.

[0036] Referring to Figure 1 As shown, further, the intermediate body 2 and the compression end shell 3 are provided with a sealing ring 4 surrounding the protrusion 221. The sealing ring 4 can seal the abutted position of the second water inlet 311 and the first water outlet 212 to ensure that the cooling water does not seep out of the abutted position and ensure the cooling effect.

[0037] Further, the compression end shell 3 is provided with a stepped face 33 coaxial with the circular groove 32, and the sealing ring 4 is pressed against the stepped face 33. It can be conceived that the stepped face 33 can limit the position of the sealing ring 4 to avoid displacement of the sealing ring 4 during installation or use, ensuring the sealing effect; at the same time, it is convenient for the operator to install, which can improve the efficiency during installation of the engine supercharger.

[0038] Further, the side face of the intermediate body 2 is machined with a first mounting face 23, the first water inlet 211 is arranged on the first mounting face 23, and the first mounting face 23 is symmetrically provided with two first connecting holes respectively located on the two sides of the first water inlet 211. Specifically, the flat first mounting face 23 and the second mounting face 34 and the first connecting hole and the second connecting hole are conducive to the connection of the external cooling water circulating device with the first water inlet 211 and the second water outlet 312, reducing the installation difficulty and improving the work efficiency.

[0039] Referring to Figure 6 As shown, further, the side face of the compression end shell 3 is machined with a second mounting face 34, the second water outlet 312 is arranged on the second mounting face 34, and the second mounting face 34 is symmetrically provided with two second connecting holes respectively located on the two sides of the second water outlet 312.

[0040] Further, the first cooling water channel 21 comprises a first annular water channel, a first water inlet channel and a first water outlet channel, the first annular water channel is coaxially arranged in the intermediate body 2, one end of the first water inlet channel is communicated with the annular water channel, and the other end extends out of the intermediate body 2, and one end of the water outlet channel is communicated with the annular water channel, and the other end extends out of the intermediate body 2.

[0041] Further, the second cooling water channel 31 comprises a second annular water channel, a second water inlet channel and a second water outlet channel, the second annular water channel is coaxially arranged in the compression end shell 3, one end of the second water inlet channel is communicated with the second annular water channel, and the other end extends out of the compression end shell 3, and one end of the second water outlet channel is communicated with the second annular water channel, and the other end extends out of the compression end shell 3. Specifically, the first annular water channel is coaxially arranged in the intermediate body 2, a central through hole for assembling a connecting shaft and other components is formed in the intermediate body 2, and the first annular water channel surrounding the central through hole can have a good cooling effect. Similarly, the second annular water channel coaxially arranged in the compression end shell 3 can better cool the components connected to the compression end shell 3 and the gas passage on the compression end shell 3, thereby avoiding the coking of waste gasoline.

[0042] Further, one end of the compression end shell 3 is provided with a mounting groove matched with the shape of the end of the intermediate body 2 away from the volute end shell 1, the end of the intermediate body 2 away from the volute end shell 1 is fitted into the mounting groove, and a plurality of bolt holes 35 are arranged on the compression end shell 3 in a circumferential direction and spaced apart around the intermediate body 2, and a bolt for pressing the intermediate body 2 against the volute end shell 1 is screwed into each bolt hole 35. Embodiment two

[0043] The utility model discloses still disclose a kind of engines, including the engine supercharger of embodiment one.

[0044] Obviously, the above embodiment is only an example for clearly illustrating, and is not limited to the implementation. For ordinary skilled in the art, other different forms of changes or variations can be made on the basis of the above description. Here, it is not necessary and impossible to exhaust all implementation. The obvious changes or variations derived therefrom are still within the protection scope of the utility model.

Claims

1. An engine turbocharger, characterized in that, include: Vortex end housing; An intermediate body, one end of which is connected to one end of the vortex end shell, and a first cooling water channel is provided in the intermediate body, the first cooling water channel including a first inlet and a first outlet; A pressure end housing is connected to the end of the intermediate body away from the vortex end housing. A second cooling water channel is provided in the pressure end housing. The second cooling water channel includes a second inlet and a second outlet. The second inlet is connected to the first outlet. An extension portion is integrally formed on the intermediate body. A cylindrical protrusion is provided at the free end of the extension portion. The first water outlet is coaxially disposed on the end face of the protrusion. A circular groove matching the protrusion is provided on the pressure end housing. The second water inlet is coaxially disposed on the bottom surface of the circular groove. When the intermediate body and the pressure end housing are connected, the protrusion and the circular groove fit together to make the second water inlet communicate with the first water outlet.

2. The engine turbocharger according to claim 1, characterized in that: A sealing ring is provided between the intermediate body and the pressure end housing, surrounding the protrusion.

3. The engine turbocharger according to claim 2, characterized in that: The pressure end housing is provided with a stepped surface coaxial with the circular groove, and the sealing ring is pressed against the stepped surface.

4. The engine turbocharger according to claim 1, characterized in that: The intermediate body has a first mounting surface machined on its side, the first water inlet is opened on the first mounting surface, and two first connecting holes are symmetrically opened on the first mounting surface, respectively located on both sides of the first water inlet.

5. The engine turbocharger according to claim 1, characterized in that: The side of the pressure end housing is machined with a second mounting surface, the second water outlet is opened on the second mounting surface, and two second connecting holes are symmetrically opened on the second mounting surface, respectively located on both sides of the second water outlet.

6. The engine turbocharger according to claim 1, characterized in that: The first cooling water channel includes a first annular water channel, a first inlet water channel, and a first outlet water channel. The first annular water channel is coaxially disposed in the intermediate body. One end of the first inlet water channel is connected to the annular water channel, and the other end extends out of the intermediate body. One end of the outlet water channel is connected to the annular water channel, and the other end extends out of the intermediate body.

7. The engine turbocharger according to claim 1, characterized in that: The second cooling water channel includes a second annular water channel, a second inlet water channel, and a second outlet water channel. The second annular water channel is coaxially disposed in the pressure end housing. One end of the second inlet water channel is connected to the second annular water channel, and the other end extends to the outside of the pressure end housing. One end of the second outlet water channel is connected to the second annular water channel, and the other end extends to the outside of the pressure end housing.

8. The engine turbocharger according to claim 1, characterized in that: One end of the pressure end housing is provided with a mounting groove that matches the shape of the end of the intermediate body away from the vortex end housing. The end of the intermediate body away from the vortex end housing is fitted into the mounting groove. The pressure end housing is provided with a plurality of bolt holes arranged circumferentially around the intermediate body. Each bolt hole is screwed with a bolt to press the intermediate body onto the vortex end housing.

9. An engine, characterized in that: Includes the engine supercharger as described in any one of claims 1-8.

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