CN215860428U - Double-flow-channel exhaust pipe for taking gas from EGR at two ends - Google Patents

Double-flow-channel exhaust pipe for taking gas from EGR at two ends Download PDF

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Publication number
CN215860428U
CN215860428U CN202122384800.6U CN202122384800U CN215860428U CN 215860428 U CN215860428 U CN 215860428U CN 202122384800 U CN202122384800 U CN 202122384800U CN 215860428 U CN215860428 U CN 215860428U
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exhaust pipe
egr
manifold
pipe body
taking
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CN202122384800.6U
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李壮
张雷
曾丽丽
兰棠洁
徐雪松
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Guangxi Yuchai Machinery Co Ltd
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Guangxi Yuchai Machinery Co Ltd
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Abstract

The utility model provides a double-flow-channel exhaust pipe for taking gas from EGR at two ends, and belongs to the technical field of exhaust pipes. The dual-flow exhaust pipe for taking gas from EGR at two ends comprises a base assembly and a sealing assembly. The basic subassembly includes blast pipe body, breather pipe and engine, the breather pipe is fixed respectively the both ends of blast pipe body, during the use, insert the breather pipe in the entry of EGR valve, make first sealing washer and second sealing washer be in between EGR valve and the breather pipe, under first sealing washer and the dual seal of second sealing washer, make the leakproofness between EGR valve and the breather pipe better, correspond supercharger and double-flow way booster through-hole and install together, two EGR gas intaking openings match with double-channel EGR valve, make the blast pipe body can reach higher EGR flow, with six emissions that satisfy the engine, design EGR gas intaking opening to EGR system respectively at blast pipe body both ends, can satisfy the demand of six row engines to high EGR rate.

Description

Double-flow-channel exhaust pipe for taking gas from EGR at two ends
Technical Field
The utility model relates to the field of exhaust pipes, in particular to a double-flow-passage exhaust pipe for taking gas from EGR at two ends.
Background
An engine is a machine capable of converting other forms of energy into mechanical energy, including, for example, internal combustion engines (reciprocating piston engines), external combustion engines (stirling engines, steam engines, etc.), jet engines, electric motors, and the like. Such as internal combustion engines, typically convert chemical energy into mechanical energy. The engine is suitable for a power generation device, and can also refer to the whole machine (such as a gasoline engine and an aircraft engine) comprising the power device.
At present, an existing exhaust pipe cannot meet the requirement of high EGR rate when an air intake is arranged behind the exhaust pipe to an EGR system.
SUMMERY OF THE UTILITY MODEL
In order to make up for the defects, the utility model provides a double-channel exhaust pipe for taking EGR gas from two ends, aiming at solving the problem that the requirement of higher EGR rate cannot be met when an air taking port behind the exhaust pipe is connected to an EGR system.
The utility model is realized by the following steps:
the utility model provides a double-channel exhaust pipe for taking gas from EGR at two ends, which comprises a base assembly and a sealing assembly.
The basic assembly comprises an exhaust pipe body, a vent pipe and an engine, wherein the vent pipe is fixed at two ends of the exhaust pipe body respectively, the exhaust pipe body is fixed on the upper surface of the engine, an EGR gas taking port is formed in the vent pipe, and a double-runner supercharger through hole is formed in the exhaust pipe body.
The sealing assembly comprises a first sealing ring and a second sealing ring, and the first sealing ring and the second sealing ring are sleeved on the vent pipe.
In one embodiment of the present invention, the exhaust pipe body includes a first manifold, a second manifold, a third manifold, a fourth manifold, a fifth manifold, and a sixth manifold, and the first manifold, the second manifold, the third manifold, the fourth manifold, the fifth manifold, and the sixth manifold are disposed together.
In one embodiment of the present invention, the base assembly further includes a mounting seat fixed to the exhaust pipe body.
In an embodiment of the present invention, the mounting base includes a mounting base body, and the mounting base body is provided with a first mounting hole.
In one embodiment of the present invention, the base assembly further comprises a baffle fixed to an outer wall of the vent pipe.
In an embodiment of the present invention, the exhaust pipe body is provided with four second mounting holes.
In one embodiment of the present invention, the base assembly further includes a gasket fixed to an outer wall of the exhaust pipe body.
In one embodiment of the present invention, the base assembly further includes a plate rib fixed to an outer wall of the exhaust pipe body.
In one embodiment of the present invention, the base assembly further comprises a spacer fixed to the mounting seat.
In an embodiment of the present invention, a clamping groove is formed on the vent pipe, and the first sealing ring and the second sealing ring are respectively sleeved in the different clamping grooves.
The utility model has the beneficial effects that: when the double-channel exhaust pipe for taking gas from EGR at two ends is used, the exhaust pipe body is arranged on an engine, the vent pipe is inserted into an inlet of the EGR valve, the first sealing ring and the second sealing ring are positioned between the EGR valve and the vent pipe, the first sealing ring and the second sealing ring are sealed in a double mode, the sealing performance between the EGR valve and the vent pipe is better, the supercharger and a through hole of the double-channel supercharger are correspondingly arranged together, the double EGR gas taking ports are matched with the double-channel EGR valve, the exhaust pipe body can reach higher EGR flow, six emissions of the engine are met, the EGR gas taking ports are respectively designed at two ends of the exhaust pipe body to be connected to an EGR system, and the requirement of the six-row engine for high EGR rate can be met.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic cross-sectional view of a dual-channel exhaust pipe for taking EGR gas from two ends according to an embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view of a base assembly according to an embodiment of the present invention;
FIG. 3 is a relational diagram of a base assembly and a seal assembly provided by an embodiment of the present invention;
fig. 4 is an enlarged view of the area a in fig. 3 according to an embodiment of the present invention.
In the figure: 100-a base component; 110-an exhaust pipe body; 111-a first manifold; 112-a second manifold; 113-a third manifold; 114-a fourth manifold; 115-a fifth manifold; 116-a sixth manifold; 120-a breather pipe; 130-an engine; 140-a mount; 141-a mount body; 142-a first mounting hole; 150-a plate rib; 160-EGR gas intake; 170-a baffle plate; 180-double flow supercharger through holes; 190-a second mounting hole; 191-a gasket; 192-a shim; 200-a seal assembly; 210-a first seal ring; 220-a second sealing ring; 230-card slot.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
Examples
Referring to fig. 1-4, the present invention provides a technical solution: a dual-flow exhaust pipe for taking gas from two-end EGR includes a base assembly 100 and a seal assembly 200. The sealing assembly 200 is fixed on the base assembly 100, the exhaust pipe double EGR gas taking port 160 is matched with a double-channel EGR valve, so that the exhaust pipe body 110 can reach higher EGR flow to meet six emissions of the engine 130, the EGR gas taking port 160 to an EGR system is respectively designed at two ends of the exhaust pipe body 110, and the requirement of six-row engines for high EGR rate can be met.
Referring to fig. 1 to 3, the base assembly 100 includes an exhaust pipe body 110, a breather pipe 120, and an engine 130, the breather pipe 120 is welded to both ends of the exhaust pipe body 110, the exhaust pipe body 110 is fixed to an upper surface of the engine 130 by bolts, the exhaust pipe body 110 includes a first manifold 111, a second manifold 112, a third manifold 113, a fourth manifold 114, a fifth manifold 115, and a sixth manifold 116, the first manifold 111, the second manifold 112, the third manifold 113, the fourth manifold 114, the fifth manifold 115 and the sixth manifold 116 are arranged together, the first manifold 111, the second manifold 112, the third manifold 113, the fourth manifold 114, the fifth manifold 115 and the sixth manifold 116 satisfy the six-row engine 130, the base assembly 100 further comprises a mounting seat 140, the mounting seat 140 is welded on the exhaust pipe body 110, and the mounting seat 140 enables the exhaust pipe body 110 to be fixed on the engine 130 more firmly.
The mounting seat 140 includes a mounting seat body 141, the mounting seat body 141 is provided with a first mounting hole 142, the first mounting hole 142 facilitates the mounting seat 140 to correspond to a threaded hole on the engine 130, the base assembly 100 further includes a gasket 192, the gasket 192 is welded on the mounting seat 140, the gasket 192 enables the mounting seat 140 to be more firmly fixed on the engine 130, the base assembly 100 further includes a baffle plate 170, the baffle plate 170 is welded on an outer wall of the vent pipe 120, the baffle plate 170 enables the vent pipe 120 to be rapidly inserted into a specific position in the EGR valve, the vent pipe 120 is provided with an EGR gas intake 160, the exhaust pipe body 110 is provided with a through hole 180 of the dual-channel supercharger, the exhaust pipe body 110 is provided with a second mounting hole 190, the second mounting hole 190 is provided with four, the four second mounting holes 190 enable the exhaust pipe body 110 and the supercharger to be more firmly fixed together, the base assembly 100 further includes a sealing gasket 191, sealing gasket 191 is welded on the outer wall of exhaust pipe body 110, and sealing gasket 191 makes the leakproofness between exhaust pipe body 110 and the booster better, and basic subassembly 100 still includes lath 150, and lath 150 welds on the outer wall of exhaust pipe body 110, and lath 150 makes exhaust pipe body 110's impact resistance force stronger.
Referring to fig. 1, 3 and 4, the sealing assembly 200 includes a first sealing ring 210 and a second sealing ring 220, the first sealing ring 210 and the second sealing ring 220 are both sleeved on the vent pipe 120, the vent pipe 120 is provided with a clamping groove 230, the first sealing ring 210 and the second sealing ring 220 are respectively sleeved in different clamping grooves 230, and the clamping groove 230 enables the first sealing ring 210 and the second sealing ring 220 to be clamped on the vent pipe 120 more firmly.
Specifically, the working principle of the double-channel exhaust pipe for taking gas from EGR at two ends is as follows: during the use, install exhaust pipe body 110 on engine 130, insert breather pipe 120 in the entry of EGR valve again, make first sealing washer 210 and second sealing washer 220 be in between EGR valve and breather pipe 120, under first sealing washer 210 and the double sealing of second sealing washer 220, make the leakproofness between EGR valve and breather pipe 120 better, correspond supercharger and two-channel booster through-hole 180 and install together, two EGR gas intaking mouth 160 matches with two-channel EGR valve, make exhaust pipe body 110 can reach higher EGR flow, with six emissions that satisfy engine 130, exhaust pipe body 110 both ends design EGR gas intaking mouth 160 to the EGR system respectively, can satisfy the demand of six rows of engines to high EGR rate.
It should be noted that the specific model specification of the engine 130 needs to be determined by model selection according to the actual specification of the device, and the specific model selection calculation method adopts the prior art in the field, so detailed description is omitted.
The power supply of the motor 130 and its principle will be clear to the skilled person and will not be described in detail here.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A double-channel exhaust pipe for taking gas from EGR at two ends is characterized by comprising
The basic assembly (100) comprises an exhaust pipe body (110), a vent pipe (120) and an engine (130), wherein the vent pipe (120) is respectively fixed at two ends of the exhaust pipe body (110), the exhaust pipe body (110) is fixed on the upper surface of the engine (130), an EGR (exhaust gas) intake port (160) is formed in the vent pipe (120), and a double-channel supercharger through hole (180) is formed in the exhaust pipe body (110);
seal assembly (200), seal assembly (200) include first sealing washer (210) and second sealing washer (220), first sealing washer (210) with second sealing washer (220) all overlap and are established on breather pipe (120).
2. The dual-flow exhaust pipe for taking gas from two-end EGR according to claim 1, wherein the exhaust pipe body (110) comprises a first manifold (111), a second manifold (112), a third manifold (113), a fourth manifold (114), a fifth manifold (115) and a sixth manifold (116), the first manifold (111), the second manifold (112), the third manifold (113), the fourth manifold (114), the fifth manifold (115) and the sixth manifold (116) being disposed together.
3. The dual-flow exhaust pipe for taking EGR gas from both ends according to claim 1, wherein said base assembly (100) further comprises a mounting seat (140), said mounting seat (140) being fixed to said exhaust pipe body (110).
4. The dual-flow exhaust pipe for taking EGR gas from both ends according to claim 3, wherein the mounting seat (140) comprises a mounting seat body (141), and the mounting seat body (141) is provided with a first mounting hole (142).
5. The dual-flow exhaust pipe for taking EGR gas from both ends as recited in claim 1, wherein said base assembly (100) further comprises a baffle plate (170), said baffle plate (170) being fixed to an outer wall of said breather pipe (120).
6. The exhaust pipe with two flow passages for taking EGR gas from two ends of claim 1, wherein the exhaust pipe body (110) is opened with a second mounting hole (190), and the second mounting holes (190) are opened with four.
7. The dual-flow exhaust pipe for taking EGR gas from both ends according to claim 1, wherein said base assembly (100) further comprises a gasket (191), and said gasket (191) is fixed to an outer wall of said exhaust pipe body (110).
8. The dual-flow exhaust pipe for taking EGR gas from both ends according to claim 1, wherein said base assembly (100) further comprises a plate rib (150), said plate rib (150) being fixed to an outer wall of said exhaust pipe body (110).
9. The dual-flow exhaust pipe for taking EGR gas from both ends of claim 3, wherein said base assembly (100) further comprises a gasket (192), said gasket (192) being fixed to said mounting seat (140).
10. The exhaust pipe with two passages for taking EGR gas from two ends as claimed in claim 1, wherein said vent pipe (120) is opened with a slot (230), and said first sealing ring (210) and said second sealing ring (220) are respectively sleeved in different slots (230).
CN202122384800.6U 2021-09-29 2021-09-29 Double-flow-channel exhaust pipe for taking gas from EGR at two ends Active CN215860428U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202122384800.6U CN215860428U (en) 2021-09-29 2021-09-29 Double-flow-channel exhaust pipe for taking gas from EGR at two ends

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202122384800.6U CN215860428U (en) 2021-09-29 2021-09-29 Double-flow-channel exhaust pipe for taking gas from EGR at two ends

Publications (1)

Publication Number Publication Date
CN215860428U true CN215860428U (en) 2022-02-18

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202122384800.6U Active CN215860428U (en) 2021-09-29 2021-09-29 Double-flow-channel exhaust pipe for taking gas from EGR at two ends

Country Status (1)

Country Link
CN (1) CN215860428U (en)

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