CN110439662A - Close coupling exhaust manifold and production method - Google Patents
Close coupling exhaust manifold and production method Download PDFInfo
- Publication number
- CN110439662A CN110439662A CN201910694706.5A CN201910694706A CN110439662A CN 110439662 A CN110439662 A CN 110439662A CN 201910694706 A CN201910694706 A CN 201910694706A CN 110439662 A CN110439662 A CN 110439662A
- Authority
- CN
- China
- Prior art keywords
- taper pipe
- manifold
- weldering portion
- pipe
- air inlet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
- B23K31/02—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to soldering or welding
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
- F01N13/08—Other arrangements or adaptations of exhaust conduits
- F01N13/10—Other arrangements or adaptations of exhaust conduits of exhaust manifolds
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
- F01N13/18—Construction facilitating manufacture, assembly, or disassembly
- F01N13/1805—Fixing exhaust manifolds, exhaust pipes or pipe sections to each other, to engine or to vehicle body
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- General Engineering & Computer Science (AREA)
- Exhaust Silencers (AREA)
Abstract
The invention discloses a kind of close coupling exhaust manifold and production methods, automobile close coupling exhaust manifold manufacturing technology field, it is characterised in that production method is the following steps are included: A, by the air inlet mouth of pipe punching press of the manifold and being welded into the Taper Pipe that the angle with the cone angle a being gradually increased along import direction is 55 °~65 ° and covering weldering portion；B, by what one end of the cylinder was spun into there is the Taper Pipe that the angle along the diminishing cone angle b of port direction is 55 °~65 ° to insert weldering portion；C, the Taper Pipe set weldering portion in the air inlet mouth of pipe of the manifold is covered in the slotting weldering portion of the Taper Pipe of one end of the cylinder and is completed with Taper Pipe set weldering portion.Compared with the prior art, the present invention can solve that existing close coupling exhaust manifold is not compact enough in the air inlet mouth of pipe of manifold and the connection spoolpiece size of cylinder, so that being easy to appear components interference or gap deficiency in close coupling exhaust manifold and cabin has what heat was done harm to.
Description
Technical field
The present invention relates to automobile close coupling exhaust manifold manufacturing technology field, especially a kind of close coupling for automobile is arranged
The production method of gas manifold.
Background technique
Automobile close coupling exhaust manifold as depicted in figs. 1 and 2, the automobile close coupling exhaust manifold include being equipped with air inlet pipe
Mouthful 011 manifold 01, is welded with air inlet end cone 02 at the air inlet mouth of pipe 011 of the manifold 01, and the one of air inlet end cone 02 and cylinder 03
End is welded to connect, and the other end of cylinder 03 is welded with exhaust end cone 04, and exhaust end cone 04 and rear flange 05 are welded to connect；Inlet end
The Taper Pipe big for the small one end in one end of cone 02, the both ends of Taper Pipe are equipped with one section of grafting pipeline section, the grafting pipeline section suit of Taper Pipe big end
In one end of cylinder 03, the grafting pipeline section of Taper Pipe small end is sleeved in the air inlet mouth of pipe 011 of manifold 01.This automobile close coupling row
There are the following problems for the production process of gas manifold: since air inlet end cone passes through the grafting pipeline section at both ends respectively and adjacent part welds
It connects in succession, minimum 8 millimeters of the length dimension of every section of grafting pipeline section, causes close coupling exhaust manifold to lengthen in length direction, ruler
It is very little not compact enough, if using being easy after large-sized supports because components gap is small in close coupling exhaust manifold and cabin or occurs
Interference phenomenon.
Summary of the invention
It is existing to solve technical problem to be solved by the invention is to provide a kind of close coupling exhaust manifold and production method
Close coupling exhaust manifold is not compact enough in the air inlet mouth of pipe of manifold and the connection spoolpiece size of cylinder, to be easy to appear close coupling
In exhaust manifold and cabin there is heat evil in components interference or gap deficiency.
The technical proposal for solving the technical problem of the invention are as follows: this close coupling exhaust manifold includes manifold, described
The air inlet mouth of pipe of manifold and one end of cylinder are welded to connect, and the manifold is equipped with one section in air inlet mouth of pipe and gradually increases along import direction
Big Taper Pipe covers weldering portion, and the cylinder is equipped with one section in one end and inserts weldering portion, the Taper Pipe along the diminishing Taper Pipe of port direction
Weldering portion is inserted to be inserted into Taper Pipe set weldering portion and be welded to connect with Taper Pipe set weldering portion.
Further: the angle of the cone angle a in Taper Pipe set weldering portion is 55 °~65 °, and the Taper Pipe inserts the cone angle b in weldering portion
Angle be 55 °~65 °.
In the production method technical solution of above-mentioned close coupling exhaust manifold, more specific technical solution may also is that one kind
The production method of close coupling exhaust manifold, close coupling exhaust manifold include manifold, and the one of the air inlet mouth of pipe of the manifold and cylinder
End is welded to connect, and the manifold is equipped with one section in air inlet mouth of pipe and covers weldering portion, the Taper Pipe along the Taper Pipe that import direction is gradually increased
Weldering portion is inserted to be inserted into Taper Pipe set weldering portion and be welded to connect with Taper Pipe set weldering portion；It is described to be gradually increased along import direction
The angle that Taper Pipe covers the cone angle a in weldering portion is 55 °~65 °, and the angle that the Taper Pipe inserts the cone angle b in weldering portion is 55 °~65 °；It is given birth to
Production method the following steps are included:
It A, is 55 ° at the angle with the cone angle a being gradually increased along import direction by the air inlet mouth of pipe punch welding of the manifold
~65 ° of the Taper Pipe covers weldering portion, spare；
B, the angle along the diminishing cone angle b of port direction that has for being spun into one end of the cylinder is 55 °~65 °
The Taper Pipe insert weldering portion, it is spare；
C, the Taper Pipe that the Taper Pipe set weldering portion in the air inlet mouth of pipe of the manifold is covered in one end of the cylinder is inserted into weldering
It is completed in portion and with Taper Pipe set weldering portion.
By adopting the above-described technical solution, compared with prior art, the present invention has the following advantages: due to cancelling
Air inlet end cone is saved by the air inlet mouth of pipe punch welding of manifold at having the Taper Pipe being gradually increased along import direction to cover weldering portion
Cost；Simultaneously as manifold is taken to insert weldering portion welded connecting by the Taper Pipe that the Taper Pipe of air inlet mouth of pipe covers weldering portion and cylinder, subtract
Grafting pipeline section needed for having lacked original inlet end vertebra makes company of the close coupling exhaust manifold between the air inlet mouth of pipe and cylinder of manifold
Connect more compact, reduction manifold length direction size, to solve because the air inlet mouth of pipe of manifold and the size for connection of cylinder are inadequate
Compact, it is small with components gap in cabin and lead to heat evil or occur interfering show that when assembly, is easy to appear close coupling exhaust manifold
As more convenient close coupling exhaust manifold is arranged in enging cabin.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of existing automobile close coupling exhaust manifold.
Fig. 2 is the structural schematic diagram of the air inlet end cone of existing automobile close coupling exhaust manifold.
Fig. 3 is the structural schematic diagram of the embodiment of the present invention.
Fig. 4 is the structure in the Taper Pipe set weldering portion of the gas manifold inlet nozzle of the embodiment of the present invention being gradually increased along import direction
Schematic diagram.
Fig. 5 is the structural schematic diagram of the cylinder of the embodiment of the present invention.
Specific embodiment
Below in conjunction with attached drawing, the invention will be further described:
Embodiment 1:
Close coupling exhaust manifold as shown in Figure 3 includes manifold 1, and the air inlet mouth of pipe of manifold 1 and one end of cylinder 3 are welded to connect,
The manifold 1 of the present embodiment is equipped with one section in the end of air inlet mouth of pipe and covers weldering portion 1-1, this reality along the Taper Pipe that import direction is gradually increased
The angle for applying the cone angle a in the Taper Pipe set weldering portion of example is 55 °, as shown in Figure 4；Cylinder 3 is in one end of the air inlet mouth of pipe close to manifold 1
Weldering portion 3-1 is inserted along the diminishing Taper Pipe of port direction equipped with one section, the angle that the Taper Pipe of the present embodiment inserts the cone angle b in weldering portion is
55 °, as shown in Figure 5；The Taper Pipe of cylinder 3 insert in the Taper Pipe set weldering portion 1-1 of the air inlet mouth of pipe of weldering portion 3-1 insertion manifold 1 and with cylinder
The Taper Pipe set weldering portion 3-1 of body 3 is welded to connect.
Embodiment 2:
The angle of the cone angle a in Taper Pipe set weldering portion is 65 °, and the angle that Taper Pipe inserts the cone angle b in weldering portion is 65 °, other features and implementation
Example 1 is identical.
Embodiment 3:
The angle of the cone angle a in Taper Pipe set weldering portion is 60 °, and the angle that Taper Pipe inserts the cone angle b in weldering portion is 60 °, other features and implementation
Example 1 is identical.
Embodiment 4:
Close coupling exhaust manifold as shown in Figure 3 includes manifold 1, and the air inlet mouth of pipe of manifold 1 and one end of cylinder 3 are welded to connect,
The manifold 1 of the present embodiment is equipped with one section in the end of air inlet mouth of pipe and covers weldering portion 1-1, this reality along the Taper Pipe that import direction is gradually increased
The angle for applying the cone angle a in the Taper Pipe set weldering portion of example is 55 °, as shown in Figure 4；Cylinder 3 is in one end of the air inlet mouth of pipe close to manifold 1
Weldering portion 3-1 is inserted along the diminishing Taper Pipe of port direction equipped with one section, the angle that the Taper Pipe of the present embodiment inserts the cone angle b in weldering portion is
55 °, as shown in Figure 5；The Taper Pipe of cylinder 3 insert in the Taper Pipe set weldering portion 1-1 of the air inlet mouth of pipe of weldering portion 3-1 insertion manifold 1 and with cylinder
The Taper Pipe set weldering portion 3-1 of body 3 is welded to connect；
Its production method the following steps are included:
It A, is 55 ° at the angle with the cone angle a being gradually increased along import direction by the air inlet pipe oral area punch welding of manifold 1
Taper Pipe covers weldering portion 1-1, spare；
B, by what one end of cylinder 3 was spun into there is the Taper Pipe that the angle along the diminishing cone angle b of port direction is 55 ° to insert
Weldering portion 3-1, it is spare；
C, the Taper Pipe covered in one end of cylinder 3 of the Taper Pipe set weldering portion 1-1 on the air inlet pipe oral area of manifold 1 is inserted on weldering portion 3-1 simultaneously
It is welded to connect with Taper Pipe set weldering portion 1-1 and completes.
Embodiment 5:
Close coupling exhaust manifold as shown in Figure 3 includes manifold 1, and the air inlet mouth of pipe of manifold 1 and one end of cylinder 3 are welded to connect,
The manifold 1 of the present embodiment is equipped with one section in the end of air inlet mouth of pipe and covers weldering portion 1-1, this reality along the Taper Pipe that import direction is gradually increased
The angle for applying the cone angle a in the Taper Pipe set weldering portion of example is 65 °, as shown in Figure 4；Cylinder 3 is in one end of the air inlet mouth of pipe close to manifold 1
Weldering portion 3-1 is inserted along the diminishing Taper Pipe of port direction equipped with one section, the angle that the Taper Pipe of the present embodiment inserts the cone angle b in weldering portion is
65 °, as shown in Figure 5；The Taper Pipe of cylinder 3 insert in the Taper Pipe set weldering portion 1-1 of the air inlet mouth of pipe of weldering portion 3-1 insertion manifold 1 and with cylinder
The Taper Pipe set weldering portion 3-1 of body 3 is welded to connect；
Its production method the following steps are included:
It A, is 65 ° at the angle with the cone angle a being gradually increased along import direction by the air inlet pipe oral area punch welding of manifold 1
Taper Pipe covers weldering portion 1-1, spare；
B, by what one end of cylinder 3 was spun into there is the Taper Pipe that the angle along the diminishing cone angle b of port direction is 65 ° to insert
Weldering portion 3-1, it is spare；
C, the Taper Pipe covered in one end of cylinder 3 of the Taper Pipe set weldering portion 1-1 on the air inlet pipe oral area of manifold 1 is inserted on weldering portion 3-1 simultaneously
It is welded to connect with Taper Pipe set weldering portion 1-1 and completes.
Embodiment 6:
Close coupling exhaust manifold as shown in Figure 3 includes manifold 1, and the air inlet mouth of pipe of manifold 1 and one end of cylinder 3 are welded to connect,
The manifold 1 of the present embodiment is equipped with one section in the end of air inlet mouth of pipe and covers weldering portion 1-1, this reality along the Taper Pipe that import direction is gradually increased
The angle for applying the cone angle a in the Taper Pipe set weldering portion of example is 60 °, as shown in Figure 4；Cylinder 3 is in one end of the air inlet mouth of pipe close to manifold 1
Weldering portion 3-1 is inserted along the diminishing Taper Pipe of port direction equipped with one section, the angle that the Taper Pipe of the present embodiment inserts the cone angle b in weldering portion is
60 °, as shown in Figure 5；The Taper Pipe of cylinder 3 insert in the Taper Pipe set weldering portion 1-1 of the air inlet mouth of pipe of weldering portion 3-1 insertion manifold 1 and with cylinder
The Taper Pipe set weldering portion 3-1 of body 3 is welded to connect；
Its production method the following steps are included:
It A, is 60 ° at the angle with the cone angle a being gradually increased along import direction by the air inlet pipe oral area punch welding of manifold 1
Taper Pipe covers weldering portion 1-1, spare；
B, by what one end of cylinder 3 was spun into there is the Taper Pipe that the angle along the diminishing cone angle b of port direction is 60 ° to insert
Weldering portion 3-1, it is spare；
C, the Taper Pipe covered in one end of cylinder 3 of the Taper Pipe set weldering portion 1-1 on the air inlet pipe oral area of manifold 1 is inserted on weldering portion 3-1 simultaneously
It is welded to connect with Taper Pipe set weldering portion 1-1 and completes.
Due to taking manifold to insert weldering portion welded connecting by the Taper Pipe that the Taper Pipe of air inlet mouth of pipe covers weldering portion and cylinder, reduce
Originally grafting pipeline section needed for inlet end vertebra makes connection of the close coupling exhaust manifold between the air inlet mouth of pipe and cylinder of manifold more
It is compact, manifold length direction size is reduced, each close coupling exhaust manifold, which cancels inlet end vertebra cost, reduces about 10 yuan.
Claims (3)
1. a kind of close coupling exhaust manifold, including manifold, the air inlet mouth of pipe of the manifold and one end of cylinder are welded to connect, special
Sign is: the manifold is equipped with one section in air inlet mouth of pipe and covers weldering portion along the Taper Pipe that import direction is gradually increased, and the cylinder is in one
End is equipped with one section and inserts weldering portion along the diminishing Taper Pipe of port direction, and the Taper Pipe is inserted weldering portion and is inserted into Taper Pipe set weldering portion simultaneously
It is welded to connect with Taper Pipe set weldering portion.
2. close coupling exhaust manifold according to claim 1, it is characterised in that: the angle of the cone angle a in Taper Pipe set weldering portion
Degree is 55 °~65 °, and the angle that the Taper Pipe inserts the cone angle b in weldering portion is 55 °~65 °.
3. a kind of production method of close coupling exhaust manifold, close coupling exhaust manifold includes manifold, the air inlet mouth of pipe of the manifold
It is welded to connect with one end of cylinder, the manifold is equipped with one section of Taper Pipe set weldering being gradually increased along import direction in air inlet mouth of pipe
Portion, the Taper Pipe insert weldering portion and are inserted into Taper Pipe set weldering portion and are welded to connect with Taper Pipe set weldering portion；It is described along importer
Angle to the cone angle a in the Taper Pipe set weldering portion being gradually increased is 55 °~65 °, and the angle that the Taper Pipe inserts the cone angle b in weldering portion is
55 °~65 °；It is characterized in that production method the following steps are included:
A, it by the air inlet mouth of pipe punching press of the manifold and is welded into the angle with the cone angle a being gradually increased along import direction and is
55 °~65 ° of the Taper Pipe covers weldering portion, spare；
B, the angle along the diminishing cone angle b of port direction that has for being spun into one end of the cylinder is 55 °~65 °
The Taper Pipe insert weldering portion, it is spare；
C, the Taper Pipe that the Taper Pipe set weldering portion in the air inlet mouth of pipe of the manifold is covered in one end of the cylinder is inserted into weldering
It is welded to connect in portion and with Taper Pipe set weldering portion and completes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910694706.5A CN110439662A (en) | 2019-07-30 | 2019-07-30 | Close coupling exhaust manifold and production method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910694706.5A CN110439662A (en) | 2019-07-30 | 2019-07-30 | Close coupling exhaust manifold and production method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110439662A true CN110439662A (en) | 2019-11-12 |
Family
ID=68432251
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910694706.5A Pending CN110439662A (en) | 2019-07-30 | 2019-07-30 | Close coupling exhaust manifold and production method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110439662A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2443639A1 (en) * | 1974-09-12 | 1976-03-25 | Volkswagenwerk Ag | Tubes of unequal diameters with tapered ends - to produce welded joints with low thermal stresses |
| JP2005351213A (en) * | 2004-06-11 | 2005-12-22 | Futaba Industrial Co Ltd | Exhaust manifold |
| CN201133275Y (en) * | 2007-12-14 | 2008-10-15 | 芜湖杰锋汽车动力系统有限公司 | Exhaust manifold and three way catalytic converter tight coupling hot end assembly |
| CN202176393U (en) * | 2011-07-29 | 2012-03-28 | 浙江摩多巴克斯汽配有限公司 | Exhaust manifold with three-way catalytic converter |
-
2019
- 2019-07-30 CN CN201910694706.5A patent/CN110439662A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2443639A1 (en) * | 1974-09-12 | 1976-03-25 | Volkswagenwerk Ag | Tubes of unequal diameters with tapered ends - to produce welded joints with low thermal stresses |
| JP2005351213A (en) * | 2004-06-11 | 2005-12-22 | Futaba Industrial Co Ltd | Exhaust manifold |
| CN201133275Y (en) * | 2007-12-14 | 2008-10-15 | 芜湖杰锋汽车动力系统有限公司 | Exhaust manifold and three way catalytic converter tight coupling hot end assembly |
| CN202176393U (en) * | 2011-07-29 | 2012-03-28 | 浙江摩多巴克斯汽配有限公司 | Exhaust manifold with three-way catalytic converter |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20191112 |