CN220395851U - Supercharger with integrated structure and engine - Google Patents
Supercharger with integrated structure and engine Download PDFInfo
- Publication number
- CN220395851U CN220395851U CN202321281130.8U CN202321281130U CN220395851U CN 220395851 U CN220395851 U CN 220395851U CN 202321281130 U CN202321281130 U CN 202321281130U CN 220395851 U CN220395851 U CN 220395851U
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- branch pipe
- pipe
- air inlet
- inlet end
- supercharger
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- 229910000838 Al alloy Inorganic materials 0.000 claims description 6
- 239000010935 stainless steel Substances 0.000 claims description 6
- 229910001220 stainless steel Inorganic materials 0.000 claims description 6
- 238000005452 bending Methods 0.000 claims description 2
- 230000004043 responsiveness Effects 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 2
- 238000001914 filtration Methods 0.000 description 9
- 230000006837 decompression Effects 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Supercharger (AREA)
Abstract
The utility model relates to a supercharger and an engine of an integrated structure, the supercharger of the integrated structure comprises a supercharger body, one end of the supercharger body is an air inlet end of air, a first branch pipe which extends outwards is arranged on the side wall of the air inlet end, the first branch pipe is communicated with an inner cavity of the air inlet end, the far end of the first branch pipe is used for being connected with an EGR pipe, a second branch pipe which extends outwards is also arranged on the side wall of the air inlet end, the second branch pipe is communicated with the inner cavity of the air inlet end, and the far end of the second branch pipe is used for being connected with a pressure relief pipe; meanwhile, the pressure relief pipe is shorter, and the redundant gas can be quickly reduced to the atmospheric pressure after pressurization, so that the responsiveness is improved, and the cost of the pipe is reduced; the engine is provided with the supercharger with the structure and has the same technical effect.
Description
Technical Field
The utility model relates to the technical field of automobile accessories, in particular to an integrated-structure supercharger and an engine.
Background
In the prior art, a supercharged engine with low-pressure EGR comprises a supercharger, an EGR valve, a pressure relief valve and connecting pipelines, wherein the supercharger is provided with an air inlet end of fresh air, the air inlet end is connected with one end of an air filtering hose, and the other end of the air filtering hose is an air filter; in the existing structure, the EGR valve and the air filter are respectively positioned at two sides of the supercharger, the distance is relatively long, an EGR pipe is connected between the EGR valve and the side wall of the air filter hose, EGR gas flowing through the EGR valve enters the air filter hose through the guidance of the EGR pipe, enters the supercharger from the air inlet end to be supercharged together with fresh air after being mixed, then enters the engine to burn, the pipeline of the EGR pipe in the existing structure is relatively long, the pressure loss is relatively large, the EGR rate is affected, the thermal efficiency of the engine is not improved, and meanwhile, the cost of the pipeline is relatively high; in addition, in the existing structure, in order to discharge the redundant gas after being pressurized by the booster, a booster gas outlet is arranged on the booster and is connected with a pressure relief valve through a booster gas pipe, the pressure relief valve is connected with the side wall of the air filtering hose through a pressure relief pipe, so that the redundant gas after being pressurized can be mixed with fresh air after being depressurized by the pressure relief valve, and enters the booster together from the air inlet end; the pressure relief pipe line is longer in the existing structure, so that the speed of reducing the pressure of redundant gas to the atmospheric pressure after pressurization is slower, the responsiveness is not facilitated, and the cost of the pipeline is higher.
Disclosure of Invention
The first object of the present utility model is: aiming at the problems that in the prior art, an EGR pipe is longer in pipeline, larger in pressure loss, and the EGR rate is influenced, and the improvement of the thermal efficiency of an engine is not facilitated, the supercharger with an integrated structure is provided; a second object of the present utility model is to provide an engine.
In order to achieve the first object, the present utility model adopts the following technical scheme:
the utility model provides an integrated configuration's booster, includes the booster body, the one end of booster body is the inlet end of air, be equipped with the first branch pipe that outwards stretches out on the lateral wall of inlet end, first branch pipe with the inner chamber intercommunication of inlet end, the distal end of first branch pipe is used for being connected with the EGR pipe.
According to the utility model, the connection mode of connecting the EGR pipe to the side wall of the air filtering hose in the prior art is canceled, and the EGR pipe is connected with the far end of the first branch pipe by arranging the first branch pipe on the side wall of the air inlet end of the supercharger body, which is equivalent to the fact that the EGR pipe is directly connected to the supercharger body through the first branch pipe, the EGR pipe pipeline is necessarily shorter, and through the arrangement, EGR gas directly enters the inner cavity of the air inlet end under the guidance of the EGR pipe and the first branch pipe, so that the mixing of the EGR gas with fresh air from the air filtering hose at the air inlet end can be realized.
Further, a second branch pipe extending outwards is further arranged on the side wall of the air inlet end, the second branch pipe is communicated with the inner cavity of the air inlet end, and the distal end of the second branch pipe is used for being connected with a pressure relief pipe; through setting up the second branch pipe, the pressure release pipe is directly connected to the inlet end department of booster body through the second branch pipe, and pressure release pipe pipeline is shorter, and unnecessary gas can drop to the atmospheric pressure more fast after the pressure boost, is favorable to improving the responsiveness to and reduce the pipeline cost.
Further, a first connecting hole is formed in the side wall of the air inlet end, and one end of the first branch pipe is clamped in the first connecting hole in an interference manner; by means of the design, the first branch pipe is more convenient to install on the supercharger body, meanwhile, the interference clamping connection can ensure that the first branch pipe and the second branch pipe are firmly connected, and the first branch pipe and the second branch pipe cannot fall off.
Further, a second connecting hole is formed in the side wall of the air inlet end, and one end of the second branch pipe is clamped in the second connecting hole in an interference manner; by the design, the second branch pipe is more convenient to install on the supercharger body, and meanwhile, the interference clamping connection can ensure that the second branch pipe and the supercharger body are firmly connected and cannot fall off.
Further, the first branch pipe is a bending pipe and is L-shaped, and the far end of the first branch pipe is bent towards one side where the EGR valve is located; by the arrangement, the length of the EGR pipeline between the EGR valve and the first branch pipe is shorter, the cost is lower, and meanwhile, the pressure loss is lower, so that the EGR rate is improved and the oil consumption is reduced.
Further, a limiting ring is arranged on the outer wall surface of the first branch pipe; is convenient for installation and positioning when being butted with the EGR pipe.
Further, the first branch pipe is made of aluminum alloy or stainless steel; the second branch pipe is made of aluminum alloy or stainless steel.
In order to achieve the second object, the present utility model adopts the following technical scheme:
an engine is provided with the supercharger with the integrated structure.
Compared with the prior art, the utility model has the beneficial effects that: through the arrangement of the first branch pipe, the EGR pipe is directly connected to the air inlet end of the supercharger body through the first branch pipe, and the pipeline of the EGR pipe is shorter, so that the pressure loss is reduced, the EGR rate is improved, and the thermal efficiency of the engine is improved; meanwhile, the pipeline of the EGR pipe is shorter, so that the cost of the pipeline can be reduced; by arranging the second branch pipe, the pressure relief pipe is directly connected to the air inlet end of the supercharger body through the second branch pipe, the pressure relief pipe is shorter in pipeline, and the redundant air can be quickly reduced to the atmospheric pressure after being pressurized, so that the responsiveness is improved, and the pipeline cost is reduced; the engine has the same technical effects as the supercharger of the foregoing integrated structure.
Description of the drawings:
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the present utility model in use.
The marks in the figure: 1-booster body, 2-first branch pipe, 3-second branch pipe, 4-inlet end, 5-spacing ring, 6-pressurized gas outlet, 02-EGR valve, 03-relief valve, 04-EGR pipe, 05-pressurized gas pipe, 06-relief pipe.
Detailed Description
The present utility model will be described in detail with reference to the accompanying drawings.
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
In embodiment 1, as shown in fig. 1, the embodiment provides an integrated structure supercharger, which comprises a supercharger body 1, wherein one end of the supercharger body 1 is an air inlet end 4, a first branch pipe 2 extending outwards is arranged on the side wall of the air inlet end 4, the first branch pipe 2 is communicated with an inner cavity of the air inlet end 4, and the distal end of the first branch pipe 2 is used for being connected with an EGR pipe 04;
the side wall of the air inlet end 4 is also provided with a second branch pipe 3 which extends outwards, the second branch pipe 3 is communicated with the inner cavity of the air inlet end 4, and the distal end of the second branch pipe 3 is used for being connected with a pressure relief pipe 06;
the side wall of the air inlet end 4 is provided with a first connecting hole, and one end of the first branch pipe 2 is clamped in the first connecting hole in an interference manner;
the side wall of the air inlet end 4 is provided with a second connecting hole, and one end of the second branch pipe 3 is clamped in the second connecting hole in an interference manner;
the first branch pipe 2 is a bent pipe and is L-shaped, and the far end of the first branch pipe is bent towards one side where the EGR valve is located;
the outer wall surface of the first branch pipe 2 is provided with a limiting ring 5;
the first branch pipe 2 is made of aluminum alloy or stainless steel; the second branch pipe 3 is made of aluminum alloy or stainless steel.
When in use, as shown in fig. 2, the air inlet end 4 of the supercharger body 1 is connected with an air filtering hose, EGR gas flowing through the EGR valve 02 is guided into the inner cavity of the air inlet end 4 through the EGR pipe 04 and the first branch pipe 2, and enters the supercharger from the air inlet end 4 for supercharging together with fresh air from the air filtering hose after being mixed, and then enters the engine for combustion; the redundant gas after the supercharging of the supercharger flows out from a supercharging gas outlet 6, is decompressed through a supercharging gas pipe 05 to a decompression valve 03, is guided into an inner cavity of an air inlet end 4 through a decompression pipe 06 and a second branch pipe 3 after decompression, is mixed with fresh air, enters the supercharger from the air inlet end 4 together for supercharging, and then enters an engine for combustion.
According to the utility model, the connection mode of connecting the EGR pipe 04 to the side wall of the air filtering hose in the prior art is canceled, and the EGR pipe 04 is connected with the far end of the first branch pipe 2 by arranging the first branch pipe 2 on the side wall of the air inlet end 4 of the supercharger body 1, which is equivalent to the fact that the EGR pipe 04 is directly connected to the supercharger body 1 through the first branch pipe 2, the pipeline of the EGR pipe 04 is necessarily shorter, and by arranging the first branch pipe 2 and the first branch pipe 04, EGR gas directly enters the inner cavity of the air inlet end 4, fresh air mixing with air from the air filtering hose can be realized at the air inlet end 4, compared with the problems that the pipeline of the EGR pipe is longer, the pressure loss is larger, the EGR rate is influenced, and the heat efficiency of an engine is not improved easily; meanwhile, the pipeline of the EGR pipe 04 is shorter, so that the cost of the pipeline can be reduced; through setting up second branch pipe 3, pressure release pipe 06 is through second branch pipe 3 lug connection to the inlet end 4 department of booster body 1, and pressure release pipe 06 pipeline is shorter, and unnecessary gas can be more quick to the atmospheric pressure step down after the pressure boost, is favorable to improving the responsiveness to and reduce the pipeline cost.
Embodiment 2, an engine mounted with the supercharger of the above-described integrated structure.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (7)
1. The utility model provides an integrated configuration's booster, includes booster body (1), the one end of booster body (1) is air inlet end (4), its characterized in that: the side wall of the air inlet end (4) is provided with a first branch pipe (2) extending outwards, the first branch pipe (2) is communicated with the inner cavity of the air inlet end (4), and the far end of the first branch pipe (2) is used for being connected with an EGR pipe (04); the side wall of the air inlet end (4) is also provided with a second branch pipe (3) which extends outwards, the second branch pipe (3) is communicated with the inner cavity of the air inlet end (4), and the far end of the second branch pipe (3) is used for being connected with a pressure relief pipe (06).
2. The integrated supercharger of claim 1 wherein: the side wall of the air inlet end (4) is provided with a first connecting hole, and one end of the first branch pipe (2) is clamped in the first connecting hole in an interference manner.
3. The integrated supercharger of claim 1 wherein: the side wall of the air inlet end (4) is provided with a second connecting hole, and one end of the second branch pipe (3) is clamped in the second connecting hole in an interference manner.
4. The integrated supercharger of claim 1 wherein: the first branch pipe (2) is a bending pipe and is L-shaped, and the far end of the first branch pipe is bent towards one side where the EGR valve is located.
5. The integrated supercharger of claim 1 wherein: and a limiting ring (5) is arranged on the outer wall surface of the first branch pipe (2).
6. The integrated supercharger of claim 1 wherein: the first branch pipe (2) is made of aluminum alloy or stainless steel; the second branch pipe (3) is made of aluminum alloy or stainless steel.
7. An engine, characterized in that: a supercharger fitted with an integrated structure as claimed in any one of claims 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321281130.8U CN220395851U (en) | 2023-05-24 | 2023-05-24 | Supercharger with integrated structure and engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321281130.8U CN220395851U (en) | 2023-05-24 | 2023-05-24 | Supercharger with integrated structure and engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220395851U true CN220395851U (en) | 2024-01-26 |
Family
ID=89598739
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321281130.8U Active CN220395851U (en) | 2023-05-24 | 2023-05-24 | Supercharger with integrated structure and engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220395851U (en) |
-
2023
- 2023-05-24 CN CN202321281130.8U patent/CN220395851U/en active Active
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