CN209040941U - A kind of multisection type exhaust pipe structure - Google Patents
A kind of multisection type exhaust pipe structure Download PDFInfo
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- CN209040941U CN209040941U CN201821787815.9U CN201821787815U CN209040941U CN 209040941 U CN209040941 U CN 209040941U CN 201821787815 U CN201821787815 U CN 201821787815U CN 209040941 U CN209040941 U CN 209040941U
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- exhaust pipe
- air inlet
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- pipe
- heel row
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Abstract
The utility model relates to a kind of multisection type exhaust pipe structures, it includes front exhaust pipe, pressurized exhaust gas pipe and heel row tracheae, front exhaust pipe is arranged in pressurized exhaust gas pipe side, heel row tracheae is being arranged in the pressurized exhaust gas pipe other side, the end of heel row tracheae is provided with gas outlet, it is provided with metal filter screen at gas outlet, air-flow metal buffer net is provided on the inside of front exhaust pipe, pressurized exhaust gas pipe and heel row tracheae；Front exhaust pipe wall body is provided with metal bellows, the upper end of metal bellows is connected with inlet channel, air-flow metal buffer net is provided in inlet channel, the upper end of inlet channel is provided with the first air inlet, the second air inlet, third air inlet and the 4th air inlet, first air inlet, the second air inlet, third air inlet and the 4th air inlet are provided with exhaust check valve, and the utility model has the advantages that the service life that structure is simple, can reduce cylinder impact by anti-air pressure, increases exhaust pipe, vibration and noise reducing, reduction cast difficulty and practical.
Description
Technical field
The utility model belongs to engine exhaust system technical field, and in particular to a kind of multisection type exhaust pipe knot
Structure.
Background technique
With engine reinforcing and technology upgrading, delivery temperature, braking power and the exhaust back pressure of commercial vehicle engine are not
Disconnected to be promoted, engine exhaust system sealing performance faces the challenge of high temperature and pressure, currently, existing upright 6 cylinder commercial vehicle starts
Machine gas exhaust piping mostly uses three stage structure, and segmentation junction is sealed using the structure type of metal enclosed ring and annular groove cooperation,
Either connected by metal bellows, but interface is more, leakproofness will certainly be bad, and the gas shock pair of engine
It is very big in the damage of pipeline itself, it will be greatly reduced the service life of exhaust pipe, and when connecting with multicylinder engine, start
The strenuous vibration of machine will affect the normal use of exhaust pipe, when the wall body of exhaust pipe is connect with multicylinder engine, the prior art
It is middle using casting air inlet on wall body, the difficulty that multiple air inlets are cast on exhaust pipe is very big, and this casting
Mode is fixedly connected with inlet channel with exhaust pipe, and the quantity difference of cylinder is different with regard to the quantity in the hole for needing to cast, practical
Property it is not strong, therefore it provides the service life that a kind of structure is simple, can reduce cylinder is impacted by anti-air pressure, increases exhaust pipe, subtracting
Vibration noise reduction, reduction casting difficulty and practical multisection type exhaust pipe structure are necessary.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, and provide that a kind of structure is simple, can reduce gas
Service life, vibration and noise reducing, reduction casting difficulty and the practical multisection type that cylinder is impacted by anti-air pressure, increases exhaust pipe
Exhaust pipe structure.
Purpose of the utility model is realized as follows: a kind of multisection type exhaust pipe structure, it includes front exhaust pipe, pressurization
Exhaust pipe and heel row tracheae, the front exhaust pipe setting are being pressurized in pressurized exhaust gas pipe side, the heel row tracheae setting
The other side of exhaust pipe, the end of the heel row tracheae are provided with gas outlet, are provided with metal filtration at the gas outlet
Net is provided with air-flow metal buffer net on the inside of the front exhaust pipe, pressurized exhaust gas pipe and heel row tracheae；The front exhaust
Pipe wall body is provided with metal bellows, and the upper end of the metal bellows is connected with inlet channel, in the inlet channel
It is provided with air-flow metal buffer net, the upper end of the inlet channel is respectively arranged with the first air inlet, the second air inlet, third
Air inlet and the 4th air inlet, first air inlet, the second air inlet, the lower part of third air inlet and the 4th air inlet are equal
It is provided with exhaust check valve.
The connection type of the metal bellows and front exhaust pipe is set as flexible connection.
The connection type of the metal bellows and inlet channel is set as flexible connection.
Sealing is provided between the metal bellows and front exhaust pipe, between metal bellows and inlet channel
Ring.
Front exhaust pipe, pressurized exhaust gas pipe and the heel row tracheae is set as integral structure.
The utility model has the beneficial effects that the utility model is provided with the first air inlet, the second air inlet, third air inlet
With the 4th air inlet, four air inlets can be directly connected to the gas outlet of cylinder according to the actual situation or be connected by metal bellows
It connecing, the exhaust check valve being arranged at four air inlets can prevent gas backstreaming, and it reduces cylinder and is impacted by anti-air pressure, four air inlets
The lower section of mouth is communicated with inlet channel, and the air-flow metal buffer net being arranged in inlet channel can reduce the impact of air-flow, and air inlet is logical
Road is connect by metal bellows with front exhaust pipe, can be reduced influence of the vibration to exhaust pipe of engine, front exhaust pipe, pressurization
Exhaust pipe and heel row tracheae are set as integral structure, reduce gas leakage, and be internally provided with air-flow metal buffer net, reduce to pipe
The impact of road wall body, increases service life, and the metal screen of the exhaust ports setting of final vacuum tube end can do gas simply
Processing, reduce pollution to environment, practical, the utility model has that structure is simple, can reduce cylinder by anti-air pressure
Impact, vibration and noise reducing, reduces casting difficulty and practical advantage at the service life for increasing exhaust pipe.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of multisection type exhaust pipe structure of the utility model.
1, the first air inlet 2, exhaust check valve 3, the second air inlet 4, inlet channel 5, third air inlet 6, metal
Bellows 7, the 4th air inlet 8, air-flow metal buffer net 9, sealing ring 10, front exhaust pipe 11, pressurized exhaust gas pipe 12, after
Exhaust pipe 13, metal filter screen 14, gas outlet.
Specific embodiment
The utility model is described further with reference to the accompanying drawing.
Embodiment 1
As shown in Figure 1, a kind of multisection type exhaust pipe structure, it includes front exhaust pipe 10, pressurized exhaust gas pipe 11 and final vacuum
Pipe 12, in 11 side of pressurized exhaust gas pipe, the heel row tracheae 12 is arranged in pressurized exhaust gas pipe for the setting of front exhaust pipe 10
11 other side, the end of the heel row tracheae 12 are provided with gas outlet 14, are provided with metal mistake at the gas outlet 14
Strainer 13, the inside of the front exhaust pipe 10, pressurized exhaust gas pipe 11 and heel row tracheae 12 are provided with air-flow metal buffer net 8；
10 wall body of front exhaust pipe is provided with metal bellows 6, and the upper end of the metal bellows 6 is connected with inlet channel 4,
Be provided with air-flow metal buffer net 8 in the inlet channel 4, the upper end of the inlet channel 4 be respectively arranged with first into
Port 1, the second air inlet 3, third air inlet 5 and the 4th air inlet 7, first air inlet 1, the second air inlet 3, third
The lower part of air inlet 5 and the 4th air inlet 7 is provided with exhaust check valve 2.
The utility model is provided with the first air inlet, the second air inlet, third air inlet and the 4th air inlet, four air inlets
Mouth can be directly connected to the gas outlet of cylinder according to the actual situation or be connected by metal bellows, be arranged at four air inlets
Exhaust check valve can prevent gas backstreaming, reduce cylinder and impacted by anti-air pressure, lower section and the inlet channel phase of four air inlets
Logical, the air-flow metal buffer net being arranged in inlet channel can reduce the impact of air-flow, and inlet channel is by metal bellows with before
Exhaust pipe connection can be reduced influence of the vibration to exhaust pipe of engine, front exhaust pipe, pressurized exhaust gas pipe and the setting of heel row tracheae
It is structure as a whole, reduces gas leakage, and be internally provided with air-flow metal buffer net, reduce the impact to pipeline wall body, increase makes
Gas can be done to simple processing with the metal screen in service life, the exhaust ports setting of final vacuum tube end, reduced to environment
Pollution, practical, the utility model is simple with structure, can reduce cylinder is impacted by anti-air pressure, increases exhaust pipe is made
With the service life, vibration and noise reducing, reduce casting difficulty and practical advantage.
Embodiment 2
As shown in Figure 1, a kind of multisection type exhaust pipe structure, it includes front exhaust pipe 10, pressurized exhaust gas pipe 11 and final vacuum
Pipe 12, in 11 side of pressurized exhaust gas pipe, the heel row tracheae 12 is arranged in pressurized exhaust gas pipe for the setting of front exhaust pipe 10
11 other side, the end of the heel row tracheae 12 are provided with gas outlet 14, are provided with metal mistake at the gas outlet 14
Strainer 13, the inside of the front exhaust pipe 10, pressurized exhaust gas pipe 11 and heel row tracheae 12 are provided with air-flow metal buffer net 8；
10 wall body of front exhaust pipe is provided with metal bellows 6, and the upper end of the metal bellows 6 is connected with inlet channel 4,
Be provided with air-flow metal buffer net 8 in the inlet channel 4, the upper end of the inlet channel 4 be respectively arranged with first into
Port 1, the second air inlet 3, third air inlet 5 and the 4th air inlet 7, first air inlet 1, the second air inlet 3, third
The lower part of air inlet 5 and the 4th air inlet 7 is provided with exhaust check valve 2, the metal bellows 6 and front exhaust pipe 10
Connection type is set as flexible connection, and the connection type of the metal bellows 6 and inlet channel 4 is set as flexible connection,
It is provided with sealing ring 9 between the metal bellows 6 and front exhaust pipe 10, between metal bellows 6 and inlet channel 4,
Front exhaust pipe 10, pressurized exhaust gas pipe 11 and the heel row tracheae setting 12 is integrated.
The utility model is provided with the first air inlet, the second air inlet, third air inlet and the 4th air inlet, four air inlets
Mouth can be directly connected to the gas outlet of cylinder according to the actual situation or be connected by metal bellows, be arranged at four air inlets
Exhaust check valve can prevent gas backstreaming, reduce cylinder and impacted by anti-air pressure, lower section and the inlet channel phase of four air inlets
Logical, the air-flow metal buffer net being arranged in inlet channel can reduce the impact of air-flow, and inlet channel is by metal bellows with before
Exhaust pipe connection can be reduced influence of the vibration to exhaust pipe of engine, front exhaust pipe, pressurized exhaust gas pipe and the setting of heel row tracheae
It is structure as a whole, reduces gas leakage, and be internally provided with air-flow metal buffer net, reduce the impact to pipeline wall body, increase makes
Gas can be done to simple processing with the metal screen in service life, the exhaust ports setting of final vacuum tube end, reduced to environment
Pollution, between metal bellows and front exhaust pipe, is provided with sealing ring, structure is tight between metal bellows and inlet channel
Close, good airproof performance is practical, and the utility model has structure is simple, can reduce cylinder to be impacted by anti-air pressure, increase exhaust
The service life of pipe, reduces casting difficulty and practical advantage at vibration and noise reducing.
Claims (5)
1. a kind of multisection type exhaust pipe structure, it includes front exhaust pipe, pressurized exhaust gas pipe and heel row tracheae, it is characterised in that: institute
The front exhaust pipe stated is arranged in pressurized exhaust gas pipe side, and the other side of pressurized exhaust gas pipe is arranged in the heel row tracheae, described
The end of heel row tracheae be provided with gas outlet, metal filter screen is provided at the gas outlet, the front exhaust pipe increases
Air-flow metal buffer net is provided on the inside of pressure tracheae and heel row tracheae；The front exhaust pipe wall body is provided with wavy metal
Pipe, the upper end of the metal bellows are connected with inlet channel, air-flow metal buffer net are provided in the inlet channel,
The upper end of the inlet channel is respectively arranged with the first air inlet, the second air inlet, third air inlet and the 4th air inlet, institute
The lower part of the first air inlet, the second air inlet, third air inlet and the 4th air inlet stated is provided with exhaust check valve.
2. a kind of multisection type exhaust pipe structure according to claim 1, it is characterised in that: the metal bellows is with before
The connection type of exhaust pipe is set as flexible connection.
3. a kind of multisection type exhaust pipe structure according to claim 1, it is characterised in that: the metal bellows with into
The connection type in gas channel is set as flexible connection.
4. a kind of multisection type exhaust pipe structure according to claim 1, it is characterised in that: the metal bellows is with before
Sealing ring is provided between exhaust pipe, between metal bellows and inlet channel.
5. a kind of multisection type exhaust pipe structure according to claim 1, it is characterised in that: the front exhaust pipe, pressurization
Exhaust pipe and heel row tracheae are set as integral structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821787815.9U CN209040941U (en) | 2018-11-01 | 2018-11-01 | A kind of multisection type exhaust pipe structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821787815.9U CN209040941U (en) | 2018-11-01 | 2018-11-01 | A kind of multisection type exhaust pipe structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209040941U true CN209040941U (en) | 2019-06-28 |
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| CN201821787815.9U Active CN209040941U (en) | 2018-11-01 | 2018-11-01 | A kind of multisection type exhaust pipe structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109281743A (en) * | 2018-11-01 | 2019-01-29 | 禹州市竹园机械制造有限公司 | A kind of multisection type exhaust pipe structure |
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2018
- 2018-11-01 CN CN201821787815.9U patent/CN209040941U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109281743A (en) * | 2018-11-01 | 2019-01-29 | 禹州市竹园机械制造有限公司 | A kind of multisection type exhaust pipe structure |
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