CN204783221U - Engine water -cooling exhaust manifold - Google Patents
Engine water -cooling exhaust manifold Download PDFInfo
- Publication number
- CN204783221U CN204783221U CN201520456546.8U CN201520456546U CN204783221U CN 204783221 U CN204783221 U CN 204783221U CN 201520456546 U CN201520456546 U CN 201520456546U CN 204783221 U CN204783221 U CN 204783221U
- Authority
- CN
- China
- Prior art keywords
- water
- exhaust manifold
- engine
- pipe wall
- wall
- 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.)
- Expired - Fee Related
Links
Landscapes
- Exhaust Gas After Treatment (AREA)
- Exhaust Silencers (AREA)
Abstract
The utility model discloses an engine water -cooling exhaust manifold, its characterized in that: engine water -cooling exhaust manifold is whole water -cooling blast pipe structure, and the body includes interior pipe wall and outer pipe wall, and interior pipe wall contains outside in the pipe wall, formation rivers passageway between interior pipe wall and the outer pipe wall, and the inside passage of interior pipe wall is airflow channel, is provided with the strengthening rib between interior pipe wall and the outer pipe wall, the rivers passageway be linked together through water inlet and engine cooling water circulation system, airflow channel communicates with each other through air inlet and engine exhaust mouth. The utility model discloses set up ingeniously, compact structure is simple, and the part is small in quantity, and rivers evenly cool off, effectively prevent other spare parts of the hot radiation damage of exhaust manifold, have reduced cost of maintenance.
Description
Technical field
The utility model belongs to technical field of engines, is specially a kind of water-cooled exhaust manifold of engine.
Background technique
During engine operation, engine exhaust emission is by piston by extruding, is discharged by the waste gas after burning by wastegate.Because of the High Temperature High Pressure of engine interior, the waste gas of discharging is made also to have the characteristic of High Temperature High Pressure.High temperature that when high temperature is motor acting, gaseous combustion produces, and high pressure is because the gas expansion that causes of high temperature produces.Toxic emission temperature is very high, and because of the impact of high exhaust temperatures during through measuring discharge, exhaust manifold temperature can reach more than 650 °, has had a strong impact on the life-span of motor.The high-temp waste gas of discharging can make outlet pipe surface temperature raise, in order to ensure normal work and the safety of motor, prevents thermal radiation infringement other component of motor and high temperature from may cause injury to human body.
Tradition carries out every heat-treating methods being increase thermal shield outward at cast iron type outlet pipe body to outlet pipe, by using thermal shield to be separated by outlet pipe, reaches the heat insulation process of the outlet pipe to high temperature.But this structural heat-insulation effect is undesirable, poor to other component protected effect of motor.Thermal shield cannot reduce the temperature of the body of outlet pipe, increase thermal shield and cannot solve outlet pipe because the problem sharply declined of the high material property caused of temperature, gas exhaust manifold reliability is caused sharply to decline, engine reliability is caused to decline, simultaneously high temperature body is directly connected with outlet pipe body and causes connecting bolt temperature higher, installation reliability reduction.Gas exhaust manifold body temperature is higher, and the bolt temperature be attached thereto is also higher, and high temperature easily causes vent systems seal failure.The method complex structure, and exhaust pipe shield layout will take engine arrangement space, and this kind of system is semi-open-type system, exhaust pipe shield is thin-walled parts, in engine working process, easily produce vibration noise.
Find after deliberation, adopt water-cooling exhaust pipe effectively can ensure normal work and the safety of motor, prevent thermal radiation from damaging other component of motor and high temperature and may cause injury to human body.Open source literature also reports some water-cooled exhaust manifold of engines, such as:
1, Chinese patent: title: a kind of water-cooled exhaust manifold of engine, application number: 201020254000.1, the applying date: 2010.07.07, patentee: Guangxi Yuchai Machinery Co., Ltd., address: 537005 No. 88, Yulin City overline bridge West Roads, Guangxi Zhuang Autonomous Region, inventor: Tang Keyuan, Liu Wenyuan, Zhang Lianjun, Li Xingzhang, summary: model utility discloses a kind of water-cooled exhaust manifold of engine, adopt integral water-cooled exhaust pipe structure, body comprises inner tubal wall and outer tube wall, inner tubal wall and outer tube wall form channel structure, the inner passage of inner tubal wall is air-flow path, flow channel is formed between inner tubal wall and outer tube wall.The inner passage of this model utility water-cooled exhaust manifold of engine is air-flow path, forms flow channel between inner tubal wall and outer tube wall.Inner pipe wall is included within current siphunculus wall, water cavity inner cooling water is full of the outside of whole gas flow and contacts with inner pipe wall, outer pipe wall, and the water in water cavity is connected with engine cooling water circulation, be convenient to the partial heat of gas conduction to inside and outside portion tube wall to take away, significantly reduce the temperature of tube wall.This model utility is used on car machine and can prevents gas exhaust manifold thermal radiation from damaging other component, simplifies exhaust system structure.
2, Chinese patent: title: water cooled exhaust manifold, application number: 201110078121.4, the applying date: 2011.03.30, claimant: Chongqing Panda Machinary Co., Ltd, address: 400,022 3rd floors, 2, B districts, industry park, Kingsoft, economic technical development area, Yubei District of Chongqing City, inventor: Du Xueqing, summary: a kind of water cooled exhaust manifold, comprise gas exhaust manifold body and the intrinsic chamber of gas exhaust manifold, gas exhaust manifold body is provided with the inlet hole corresponding with the exhaust port on motor, it is characterized in that being provided with dividing plate in gas exhaust manifold body, chamber is separated into a water cooling chamber and an air chamber by dividing plate, air chamber communicates with inlet hole, gas exhaust manifold body is provided with the exhaust port communicated with air chamber, gas exhaust manifold body is provided with the water intake and water outlet that communicate with water cooling chamber.Owing to have employed technique scheme, this invention has that processing technology is simple, the advantage of smooth in exhaust, it is cooled by cooling water circulation, the temperature of gas exhaust manifold body less than 200 ° can be dropped to from 650 °, significantly reduce the temperature of gas exhaust manifold body and the temperature of institute's waste air and pressure, extend the life-span of motor, noise has dropped in 80 decibels from being greater than 100 decibels, significantly reduce noise and exhaust resistance, improve the power of motor.
3, Chinese patent: title: engine water-cooling exhaust pipe, application number: 200910142935.2, the applying date: 2009.05.15, claimant: answer Jingjing, address: 332000 Xunyang District, Jiujiang City of Jiangxi Province dragon Xiang GuoMao Buildings 602, inventor: answer Jingjing, summary: a kind of engine water-cooling exhaust pipe of this Invention Announce, comprises base, gas exhaust manifold; The outlet pipe interlayer that gas exhaust manifold is provided with water intake and is communicated with this water intake, this suction tude interlayer is arranged between the inside and outside wall of gas exhaust manifold, and is hollow.It is air-cooled that this invention outlet pipe selects water-cooled to replace, even if work that also can be safe under the condition making motor seal in cabin, avoids the generation of motor boat spontaneous combustion.This invention can be used for waste pipe under sealing state.
4, Chinese patent: title: a kind of heat dissipating device of exhaust pipe applying date 2009.5.1, application number: 200920085627.6, patentee: Qunlong Automobile Parts Co., Ltd., Xiangfan, address: 441003 No. 2, Citroen zx main roads, automobile industrial development zone, Xiangfan City of Hubei Province, inventor: Yue Guosheng, Liu Xiuqiong, summary: this model utility relates to a kind of cooling device of outlet pipe of mine anti-explosion diesel engine.A kind of heat dissipating device of exhaust pipe, comprise housing and lay respectively at housing two ends air inlet cover, go out air-casing, air inlet cover, go out the position that air-casing is connected with housing respectively have a connecting partition, be furnished with between two connecting partitions and through connecting partition, air inlet overlapped and the copper pipe going out air-casing and be connected, air inlet cover is outer to be had into water cover, go out outside air-casing and have water outlet sleeve, connecting partition has the hole that water inlet cover, water outlet sleeve can be connected with housing cavity (middle water jacket).Due to the cooling jacket that the outer installment of whole exhaust emissions passage is made up of cover of intaking, water outlet sleeve and middle water jacket, and logical supercooled liquid import and the outlet of cold liquid maintain the circulation of cooling liquid, therefore, this model utility can effectively reduce the temperature of high-temperature tail gas in outlet pipe, makes the temperature of outlet pipe outer surface maintain less than 150 DEG C.
5, Chinese patent: title: enmgine exhaust, application number: 201310369630.1, the applying date: 2013.08.22, claimant: Kubota Corp., address: Osaka City, Japan, inventor: hill show row, Miyazaki is learned, rattan well is clever, Chang Gu river is instructed, Sen Benda also, the former Yu of Xiao, dark field god, summary: the enmgine exhaust that this invention provides the sealing between the exhaust entrance flange that can suppress cylinder body lid and gas exhaust manifold to decline.For solving this problem, enmgine exhaust is provided, there is the exhaust fluidic junction (2) of the centre being configured in gas exhaust manifold (1), be configured in multiple arms (3 of the both end sides of this exhaust fluidic junction (2), 3), each arm (3) is provided with the exhaust entrance flange (4) covered for being arranged on cylinder body, gas exhaust manifold (1) with cylinder body lid in opposite directions by cylinder body lid side 1a) and opposition side cylinder body lid opposite sides (1b) in, cylinder body lid opposite sides (1b) is formed the cylinder body lid opposition side thickening part (7) of the ribbed extended along long dimensional directions, wherein, at the arm (3 at two ends, 3) cylinder body lid opposition side thickening part (7 is formed on, 7), exhaust fluidic junction (2) is formed with the cylinder body lid opposite sides (1b) not having cylinder body lid opposition side thickening part (7).
But, in existing water cooling tube, Inner eycle water is by entering outlet pipe after engine body machine cylinder head, outlet pipe is cooled, cooling rear engine Inner eycle coolant-temperature gage reaches maximum temperature, and motor thermostat generally designs and reaches maximum temperature place at Inner eycle water, and the independent design elements in thermostat mounting point is complicated, take up space larger, be unfavorable for the layout of each part of motor, maintenance difficult, and attractive in appearance not.
Summary of the invention
The utility model object is for the deficiencies in the prior art, provides a kind of simple and compact for structure, beautiful shape, the water-cooled exhaust manifold of engine of good cooling results.
To achieve these goals, the technical solution adopted in the utility model is:
Water-cooled exhaust manifold of engine of the present utility model is the water-cooling exhaust pipe structure of cast inblock, body comprises inner tubal wall and outer tube wall, inner tubal wall is included in outer tube wall, flow channel is formed between inner tubal wall and outer tube wall, the inner passage of inner tubal wall is air-flow path, be provided with stiffening rib between inner tubal wall and outer tube wall, inner tubal wall be connected with outer tube wall more fastening; Described flow channel is connected with cooling water circulation system of engine by water intake; Air-flow path is communicated with engine exhaust port by suction port.
Described body is also provided with thermostat base, thermostat base is provided with thermostat and thermostat housing.
Upper water circulation road between described inner tubal wall and outer tube wall is also provided with point water interlayer opened by flow channel horizontal subdivision.
Described inner tubal wall is also provided with the mounting hole for being fixed on by whole body on motor.
Engine thermostat base is integrated on body by water-cooled exhaust manifold of engine of the present utility model, and engine structure can be made more compact.The inner passage of inner tubal wall is air-flow path, flow channel is formed between inner tubal wall and outer tube wall, inner pipe wall is included within current siphunculus wall, the cooling water flowed in water cavity is full of whole water flow passage and contacts with inner pipe wall, outer pipe wall, and the water in water cavity is connected with engine cooling water circulation, be convenient to the partial heat of gas conduction to inside and outside portion tube wall to take away, significantly reduce the temperature of tube wall.Point water interlayer that upper water circulation road between inner tubal wall and outer tube wall is established, water interlayer is divided to be become by the upper water circulation road horizontal subdivision open form between inner tubal wall and outer tube wall water cavity to flow to make uniform fluid flow to reach uniform heat exchange, after the complete inner wall tube of cooling water Homogeneous cooling, flow to thermostat base, and by thermostat and thermostat housing inflow engine Inner eycle.After testing, dropped to less than 180 degree by water-cooled temperature from more than 600 degree, noise has dropped to less than 70 decibels from being greater than 100 decibels; Significantly reduce the temperature of gas exhaust manifold body and the temperature of institute's waste air and pressure, extend the life-span of motor, than using long more than 1 year of traditional gas exhaust manifold life-span, also significantly reducing noise and exhaust resistance, improving the power of motor.
Specifically, water-cooled exhaust manifold of engine tool of the present utility model has the following advantages:
1, water-cooled exhaust manifold of engine of the present utility model arranges ingenious, and compact structure is simple, and number of spare parts is few, and effectively prevent gas exhaust manifold thermal radiation from damaging other component, provide the reliability of motor, service life of aeroengine is long, reduces maintenance cost.
2, the upper water circulation road between the inner tubal wall of water-cooled exhaust manifold of engine of the present utility model and outer tube wall is also provided with point water interlayer opened by flow channel horizontal subdivision and forms water cavity, controlled cooling model water, reduce Element Design, uniform fluid flow is cooled, partial heat is taken away by the cooling water of flowing, effectively reduce the temperature of gas exhaust manifold body, improve the reliability of gas exhaust manifold and the Security of vent systems.
3, water-cooled exhaust manifold of engine of the present utility model is without the need to installing exhaust pipe shield, and is also provided with stiffening rib between the inner tubal wall that comprises of body and outer tube wall, and system architecture is firmly compact, and number of spare parts is few; Eliminate exhaust pipe shield vibration noise.
4, the mounting hole of water-cooled exhaust manifold of engine of the present utility model is arranged on inner tubal wall, and is immersed in cooling water, reduces the operating temperature of construction bolt, effectively improves the connection reliability of vent systems.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model water-cooled exhaust manifold of engine;
Fig. 2 is the left view of Fig. 1;
Fig. 3 is the A-A direction view of Fig. 2;
Fig. 4 is the B-B direction view of Fig. 1;
Fig. 5 is the perspective view of the utility model water-cooled exhaust manifold of engine;
Fig. 6 is the internal structure schematic diagram of the utility model water-cooled exhaust manifold of engine;
In figure, component names and sequence number are:
Flow channel 1, point water interlayer 2, air-flow path 3, stiffening rib 4, inner tubal wall 5, outer tube wall 6, mounting hole 7, thermostat 8, thermostat base 9, thermostat housing 10, suction port 11, water intake 12.
Embodiment
Introduce the utility model in order to more detailed, below in conjunction with accompanying drawing, the utility model is described further.
As shown in the figure, water-cooled exhaust manifold of engine of the present utility model is integral water-cooled exhaust pipe structure, body comprises inner tubal wall 5 and outer tube wall 6, inner tubal wall 5 is included in outer tube wall 6, flow channel 1 is formed between inner tubal wall 5 and outer tube wall 6, the inner passage of inner tubal wall 5 is air-flow path 3, is provided with stiffening rib 4 between inner tubal wall 5 and outer tube wall 6; Described flow channel 1 is connected with cooling water circulation system of engine by water intake 12; Air-flow path 3 is communicated with engine exhaust port by suction port 11.
Described body is also provided with thermostat base 9, thermostat base 9 is provided with thermostat 8 and thermostat housing 10.
Upper water circulation road 1 between described inner tubal wall 5 and outer tube wall 6 is also provided with point water interlayer 2 opened by flow channel 1 horizontal subdivision.
Described inner tubal wall 5 is also provided with the mounting hole 7 for being fixed on by whole body on motor.
The principle of the utility model gas exhaust manifold is: when the engine operates, the waste gas of discharging is by air-flow path 3, cause inner tubal wall 5 and outer tube wall 6 rapid temperature increases, owing to being filled with the cooling water of flowing between inner tubal wall 5 and outer tube wall 6, the water quench inner tubal wall 5 of flowing and outer tube wall 6, reduce the temperature of gas exhaust manifold body, therefore can ensure outlet pipe body material property.Due to water quench effect, outer pipe wall 6 surface temperature is lower, is therefore radiated outside heat less, reduces the impact on surrounding components.Point water interlayer 2 arranged in upper water circulation road 1 between inner tubal wall 5 and outer tube wall 6, current are divided into two-part, after the complete inner wall tube 5 of cooling water Homogeneous cooling, flow to thermostat base 9, and by thermostat 8 and thermostat housing 10 inflow engine Inner eycle, form circulating cooling.Mounting hole 7 is arranged on inner tubal wall, and is immersed in cooling water, because the gas of outlet pipe is lowered the temperature, reduces the operating temperature of construction bolt, effectively improves the connection reliability of vent systems.
In order to verify the utility model gas exhaust manifold reliability, the present inventor utilizes the motor of four certain brands to do comparative trial, wherein installs gas exhaust manifold of the present utility model for two, and other two use original-pack outlet pipe.Four motors work 30 days respectively, continuous operation every day 7 hours, and the phenomenon of burning has appearred in the motor of two original-pack outlet pipes of use respectively the 21st and 23 days, noise is respectively 73.3 decibels and 71.5 decibels; And burn does not appear in two motors installing and using gas exhaust manifold of the present utility model, noise is respectively 62.5 decibels and 62.3 decibels.Above-mentioned correlation data can find out that gas exhaust manifold water-cooled effect of the present utility model is better, and noise is less.
Above-mentioned explanation is not to restriction of the present utility model, those skilled in the art, and in essential scope of the present utility model, the change made, remodeling, interpolation or replacement, all should belong to protection domain of the present utility model.
Claims (4)
1. a water-cooled exhaust manifold of engine, it is characterized in that: water-cooled exhaust manifold of engine is integral water-cooled exhaust pipe structure, body comprises inner tubal wall (5) and outer tube wall (6), inner tubal wall (5) is included in outer tube wall (6), flow channel (1) is formed between inner tubal wall (5) and outer tube wall (6), the inner passage of inner tubal wall (5) is air-flow path (3), is provided with stiffening rib (4) between inner tubal wall (5) and outer tube wall (6); Described flow channel (1) is connected with cooling water circulation system of engine by water intake (12); Air-flow path (3) is communicated with engine exhaust port by suction port (11).
2. water-cooled exhaust manifold of engine according to claim 1, is characterized in that: described body is also provided with thermostat base (9), thermostat base (9) is provided with thermostat (8) and thermostat housing (10).
3. water-cooled exhaust manifold of engine according to claim 1, is characterized in that: the upper water circulation road (1) between described inner tubal wall (5) and outer tube wall (6) is also provided with point water interlayer (2) opened by flow channel (1) horizontal subdivision.
4. water-cooled exhaust manifold of engine according to claim 1, is characterized in that: described inner tubal wall (5) is also provided with the mounting hole (7) for being fixed on by whole body on motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520456546.8U CN204783221U (en) | 2015-06-30 | 2015-06-30 | Engine water -cooling exhaust manifold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520456546.8U CN204783221U (en) | 2015-06-30 | 2015-06-30 | Engine water -cooling exhaust manifold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204783221U true CN204783221U (en) | 2015-11-18 |
Family
ID=54523285
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520456546.8U Expired - Fee Related CN204783221U (en) | 2015-06-30 | 2015-06-30 | Engine water -cooling exhaust manifold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204783221U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105351120A (en) * | 2015-11-27 | 2016-02-24 | 天津雷沃动力有限公司 | Diesel engine complex function air intake manifold and cooling circulation system thereof |
| CN104895659B (en) * | 2015-06-30 | 2017-10-10 | 胡晓萍 | A kind of water-cooled exhaust manifold of engine |
| CN112377291A (en) * | 2020-12-01 | 2021-02-19 | 广西玉柴机器股份有限公司 | Water-cooling exhaust pipe with built-in fixing bolt and mounting method thereof |
-
2015
- 2015-06-30 CN CN201520456546.8U patent/CN204783221U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104895659B (en) * | 2015-06-30 | 2017-10-10 | 胡晓萍 | A kind of water-cooled exhaust manifold of engine |
| CN105351120A (en) * | 2015-11-27 | 2016-02-24 | 天津雷沃动力有限公司 | Diesel engine complex function air intake manifold and cooling circulation system thereof |
| CN112377291A (en) * | 2020-12-01 | 2021-02-19 | 广西玉柴机器股份有限公司 | Water-cooling exhaust pipe with built-in fixing bolt and mounting method thereof |
| CN112377291B (en) * | 2020-12-01 | 2023-11-10 | 广西玉柴船电动力有限公司 | Water-cooling exhaust pipe with built-in fixing bolt and installation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104895659A (en) | Water-cooled exhaust manifold of engine | |
| RU125629U1 (en) | ENGINE COOLING SYSTEM, ENGINE CYLINDER HEAD AND ENGINE SYSTEM | |
| CN204783221U (en) | Engine water -cooling exhaust manifold | |
| CN105697180A (en) | Layered-cooled cylinder cover | |
| CN110284990A (en) | Cylinder head cooling jacket and engine | |
| CN103485921A (en) | Uniform cooling double-layer-water-cavity cylinder cover for highly-intensified diesel engine | |
| CN203626939U (en) | Cooling system of engine and engine | |
| JP2000282960A (en) | Egr-cooling device | |
| CN204082310U (en) | Intercooler, motor, automobile and boats and ships | |
| CN204152692U (en) | A kind of split type double air passage intake manifold of integrated intercooler | |
| JP2009108704A (en) | Engine cooling system | |
| CN104373183A (en) | Internal combustion engine exhaust pipe | |
| CN104295394A (en) | Diesel engine air cylinder cover | |
| CN108691762A (en) | A kind of radiator for oil pump | |
| CN208024453U (en) | Small-sized single cylinder water-cooled diesel engine | |
| CN207004631U (en) | A kind of full-sized car accessory | |
| JP4755953B2 (en) | EGR cooler | |
| CN205172707U (en) | Supercharged engine cooling system | |
| CN205841044U (en) | A kind of engine EGR apparatus | |
| CN204900044U (en) | Coolant liquid circulation system for tractor | |
| CN206221045U (en) | A kind of marine diesel water-cooling exhaust pipe | |
| CN205445816U (en) | Layering refrigerated cylinder head | |
| KR101004255B1 (en) | intake manifold combination EGR and swirl system for automobile | |
| CN214330759U (en) | Air duct between load couplings of gas turbine | |
| CN220036807U (en) | Novel EGR module |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151118 Termination date: 20180630 |