CN211573627U - Connecting and conveying device for gas emission - Google Patents
Connecting and conveying device for gas emission Download PDFInfo
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- CN211573627U CN211573627U CN202020011400.3U CN202020011400U CN211573627U CN 211573627 U CN211573627 U CN 211573627U CN 202020011400 U CN202020011400 U CN 202020011400U CN 211573627 U CN211573627 U CN 211573627U
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Abstract
The utility model provides a connecting and conveying device for gas emission, which comprises a hollow device body, wherein the device body comprises a connecting part and a conversion part, one end of the connecting part is provided with an air inlet communicated with the exhaust gas discharge end of an engine, one end of the conversion part is provided with an air outlet communicated with an exhaust gas collecting pipe, and the other end of the connecting part is communicated with the other end of the conversion part; the conveying direction of the waste gas from the connecting part to the converting part and the conveying direction of the waste gas from the gas outlet are arranged at an angle, and when the angle is a, the angle is 160 degrees and more than a and more than 20 degrees; and a plurality of flow guide surfaces are arranged on the side wall of the conversion part opposite to the air outlet along the normal direction of the plane where the air outlet is located. The utility model discloses can improve the exhaust emission efficiency of engine effectively.
Description
Technical Field
The utility model belongs to the technical field of motor vehicle exhaust system, concretely relates to can be used to gaseous emission's connection conveyor.
Background
The exhaust pipe is a very important component in an engine exhaust system, and the power performance of the engine is directly influenced by the design of the exhaust pipe. With the gradual maturity of the engine technology, the space for improving the performance of the engine is gradually reduced; in the prior art, the performance requirements of the engine are more and more strict due to the design space limitation of the engine.
At present, an exhaust pipe of an automobile engine only plays a role of exhaust emission guide. With increasingly strict regulations of oil consumption, environmental protection and the like, people pay more and more attention to economical cars, environments and the like, and the existing exhaust pipe device also has the problems that exhaust gas generates vortex in an exhaust pipe and part of the exhaust gas remains in the exhaust pipe.
SUMMERY OF THE UTILITY MODEL
In order to overcome the above disadvantages of the prior art, the present invention provides a connecting and conveying device for gas emission, which can effectively improve the exhaust emission efficiency of an engine.
The utility model provides a technical scheme that its technical problem adopted is:
a connecting and conveying device for gas emission comprises a hollow device body, wherein the device body comprises a connecting part and a converting part, one end of the connecting part is provided with a gas inlet communicated with an exhaust gas discharge end of an engine, one end of the converting part is provided with a gas outlet communicated with an exhaust gas collecting pipe, and the other end of the connecting part is communicated with the other end of the converting part; wherein the content of the first and second substances,
the conveying direction of the waste gas from the connecting part to the converting part and the conveying direction of the waste gas from the gas outlet are arranged at an angle, and when the angle is a, the angle is 160 degrees and more than a and more than 20 degrees; and a plurality of flow guide surfaces are arranged on the side wall of the conversion part opposite to the air outlet along the normal direction of the plane where the air outlet is located.
Preferably, the connection portion is provided in a circular shape at a communication position with the converting portion.
Preferably, when the angle is a, 100 ° > a > 80 °.
Preferably, a is 90 °.
Preferably, the flow guide surfaces comprise a first flow guide surface and a second flow guide surface, one end of the first flow guide surface is connected with the air inlet end of the conversion part, one end of the second flow guide surface is connected with the air outlet, and the other end of the first flow guide surface is connected with the other end of the second flow guide surface; wherein the content of the first and second substances,
the included angle between the first flow guide surface and the plane of the air outlet is larger than that between the second flow guide surface and the plane of the air outlet, and the connecting part of the first flow guide surface and the second flow guide surface is in smooth transition.
Preferably, the first flow guiding surface and the second flow guiding surface form a smooth transition connection through a third flow guiding surface which is obliquely arranged; wherein the content of the first and second substances,
the included angle between the first flow guide surface and the plane where the air outlet is located is smaller than the included angle between the third flow guide surface and the plane where the air outlet is located.
Preferably, when the included angle b between the second flow guide surface and the plane where the air outlet is located is 0 < b < 10 degrees.
Compared with the prior art, the beneficial effects of the utility model are that:
in this scheme, correspond the gas outlet ingeniously on the device body and be provided with the water conservancy diversion face, through the setting of water conservancy diversion face for engine exhaust waste gas when the conveyor through this scheme transmits to the waste gas collecting pipe, can be so that the transmission of air current in the corner is more abundant, has avoided traditional technology effectively, and the waste gas can appear partly the condition of remaining in the exhaust pipe, ensures the transmission efficiency of waste gas.
In addition, the arrangement of the flow guide surface in the scheme can further reduce the occupied space of the exhaust pipe, and improve the transmission efficiency of the waste gas under the condition of limited design space of an engine exhaust system, so that the structure of the whole exhaust system is more compact; and the simple structure of the device body in this scheme, connecting portion are circular with the junction setting of conversion portion, are convenient for produce preparation and popularization and application, have better market prospect.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without any creative effort.
Fig. 1 is a schematic side view of the present invention.
Fig. 2 is a schematic perspective view of the present invention.
Wherein:
1-device body, 11-connecting part, 111-air inlet, 12-converting part, 121-air outlet, 122-flow guide surface, 1221-first flow guide surface, 1222-second flow guide surface, 1223-third flow guide surface;
2-exhaust manifold.
Detailed Description
In order to make the above objects, features and advantages of the present invention more clearly understood, the present invention will be described in detail with reference to the accompanying drawings and detailed description. In addition, the embodiments and features of the embodiments of the present application may be combined with each other without conflict. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, and the described embodiments are merely some embodiments, rather than all embodiments, of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work all belong to the protection scope of the present invention.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
Example 1
As shown in fig. 1 and fig. 2, the present embodiment provides a connection conveying apparatus for gas emission, which includes an apparatus body 1 disposed in a hollow manner, where the apparatus body 1 includes a connection portion 11 and a conversion portion 12, and the connection portion 11 and the conversion portion 12 may be formed as an integral structure, or the connection portion 11 and the conversion portion 12 may be disposed in an assembly manner, for example, the connection portion 11 and the conversion portion 12 are disposed in a welded connection.
In the present embodiment, one end of the connecting portion 11 is provided with an intake port 111 for communicating with an exhaust gas discharge end of the engine; one end of the conversion part 12 is provided with an air outlet 121 for communicating with the exhaust gas collecting pipe 2, and the other end of the connection part 11 communicates with the other end of the conversion part 12.
Further, the conveying direction of the exhaust gas from the connecting portion 11 to the converting portion 12 is set at an angle to the conveying direction of the exhaust gas from the gas outlet 121, and when the angle is a, there is 160 ° > a > 20 °. In addition, several flow guiding surfaces 122 are disposed on the sidewall of the converting part 12 opposite to the air outlet 121 along the normal direction of the plane of the air outlet 121.
Preferably, the connecting portion 11 is connected with the converting portion 12 in an assembling manner, and a communication position between the connecting portion 11 and the converting portion 12 is arranged in a circular shape; compared with the design of a long strip shape and an oval shape in the prior art, the round shape can further simplify the corresponding processing tools, and is convenient for the connection and installation between the connecting part 11 and the converting part 12.
Further, as shown in FIG. 1, when the angle is a, 100 ° > a > 80 °; in the present embodiment, the angle a is preferably set to 90 °.
Preferably, the flow guide surface 122 includes a first flow guide surface 1221 and a second flow guide surface 1222 which are obliquely disposed, one end of the first flow guide surface 1221 is connected to the air inlet end of the conversion part 12, one end of the second flow guide surface 1222 is connected to the air outlet 121, and the other end of the first flow guide surface 1221 is connected to the other end of the second flow guide surface 1222.
Further, an included angle between the first flow guiding surface 1221 and the plane of the air outlet 121 is greater than an included angle between the second flow guiding surface 1222 and the plane of the air outlet 121, and a connection between the first flow guiding surface 1221 and the second flow guiding surface 1222 is in smooth transition; so that a stepped structure is formed corresponding to the air outlet 121 along the exhaust direction of the exhaust gas, thereby performing a flow guiding function and a conveying promoting function on the exhaust gas.
Furthermore, a smooth transition connection is formed between the first flow guiding surface 1221 and the second flow guiding surface 1222 through a third flow guiding surface 1223 which is obliquely arranged; an included angle between the first guiding surface 1221 and the plane of the air outlet 121 is smaller than an included angle between the third guiding surface 1223 and the plane of the air outlet 121. The connection among the first flow guiding surface 1221, the second flow guiding surface 1222 and the third flow guiding surface 1223 is optimized, and the overall conveying effect of the airflow is ensured.
Preferably, the included angle b between the second guiding surface 1222 and the plane of the air outlet 121 is 0 < b < 10 °; so that the second guiding surface 1222 is almost flush with the plane where the air outlet 121 is located, and the conveying effect of the exhaust gas is further optimized.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, so that any modification, equivalent change and modification made by the technical spirit of the present invention to the above embodiments do not depart from the technical solution of the present invention, and still fall within the scope of the technical solution of the present invention.
Claims (7)
1. The connecting and conveying device for gas emission is characterized by comprising a hollow device body, wherein the device body comprises a connecting part and a converting part, one end of the connecting part is provided with a gas inlet communicated with a waste gas discharge end of an engine, one end of the converting part is provided with a gas outlet communicated with a waste gas collecting pipe, and the other end of the connecting part is communicated with the other end of the converting part; wherein the content of the first and second substances,
the conveying direction of the waste gas from the connecting part to the converting part and the conveying direction of the waste gas from the gas outlet are arranged at an angle, and when the angle is a, the angle is 160 degrees and more than a and more than 20 degrees; and a plurality of flow guide surfaces are arranged on the side wall of the conversion part opposite to the air outlet along the normal direction of the plane where the air outlet is located.
2. A connection and transfer device for a gas discharge according to claim 1, characterized in that the connection portion is arranged in a circular shape at the connection with the switching portion.
3. A connecting conveyor for gas discharges according to claim 1 or 2, characterized in that when the angle is a, 100 ° > a > 80 °.
4. A connecting conveyor device for gas discharge according to claim 3, characterised in that a is 90 °.
5. The connecting and conveying device for gas discharge according to claim 1 or 4, wherein the flow guide surfaces comprise a first flow guide surface and a second flow guide surface, one end of the first flow guide surface is connected with the gas inlet end of the conversion part, one end of the second flow guide surface is connected with the gas outlet, and the other end of the first flow guide surface is connected with the other end of the second flow guide surface; wherein the content of the first and second substances,
the included angle between the first flow guide surface and the plane of the air outlet is larger than that between the second flow guide surface and the plane of the air outlet, and the connecting part of the first flow guide surface and the second flow guide surface is in smooth transition.
6. The connecting and conveying device for gas discharge according to claim 5, wherein the first flow guiding surface and the second flow guiding surface form a smooth transition connection through a third flow guiding surface which is obliquely arranged; wherein the content of the first and second substances,
the included angle between the first flow guide surface and the plane where the air outlet is located is smaller than the included angle between the third flow guide surface and the plane where the air outlet is located.
7. A connecting and conveying device for gas discharge according to claim 5, characterised in that the angle b between the second guiding surface and the plane of the gas outlet is 0 < b < 10 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020011400.3U CN211573627U (en) | 2020-01-03 | 2020-01-03 | Connecting and conveying device for gas emission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020011400.3U CN211573627U (en) | 2020-01-03 | 2020-01-03 | Connecting and conveying device for gas emission |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211573627U true CN211573627U (en) | 2020-09-25 |
Family
ID=72552420
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020011400.3U Active CN211573627U (en) | 2020-01-03 | 2020-01-03 | Connecting and conveying device for gas emission |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211573627U (en) |
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2020
- 2020-01-03 CN CN202020011400.3U patent/CN211573627U/en active Active
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