CN204804975U - Cowl hood that possesses respirator function and engine and double -cylinder type diesel engine thereof - Google Patents
Cowl hood that possesses respirator function and engine and double -cylinder type diesel engine thereof Download PDFInfo
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- CN204804975U CN204804975U CN201520507953.7U CN201520507953U CN204804975U CN 204804975 U CN204804975 U CN 204804975U CN 201520507953 U CN201520507953 U CN 201520507953U CN 204804975 U CN204804975 U CN 204804975U
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- cavity
- engine
- cowl hood
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- cowl
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- 238000007789 sealing Methods 0.000 claims abstract description 48
- 230000000241 respiratory effect Effects 0.000 claims description 25
- 239000011148 porous material Substances 0.000 claims description 7
- 239000012208 gear oil Substances 0.000 claims description 6
- 230000000694 effects Effects 0.000 claims description 3
- 210000003734 kidney Anatomy 0.000 claims description 3
- 230000013011 mating Effects 0.000 claims description 3
- 239000003921 oil Substances 0.000 abstract description 20
- 239000010721 machine oil Substances 0.000 abstract description 6
- 239000010705 motor oil Substances 0.000 abstract 1
- 239000003595 mist Substances 0.000 description 10
- 239000010687 lubricating oil Substances 0.000 description 4
- 239000000314 lubricant Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000002912 waste gas Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
Landscapes
- Respiratory Apparatuses And Protective Means (AREA)
Abstract
The utility model discloses a possess the cowl hood of respirator function, it includes: the cowl hood main part is equipped with the first cavity and the second cavity of intercommunication in it, this first cavity and engine intake manifold intercommunication, keep off oily component, its fixed mounting is in first cavity, the sealed component that fills up, its fixed mounting in first cavity, simultaneously sealed fill up the component still set up in keep off oily component below and keep off and open gappedly in vain between the oily component, should sealedly fill up and still set up exhaust hole and oil gallery on the component, breathe moving element, its locate sealed below of filling up the component and with cowl hood main part swing joint, should breathe moving element and go up and seted up second exhaust hole on the position of matcing the exhaust hole. Engine and double -cylinder type diesel engine including this kind of a cowl hood are still disclosed simultaneously respectively. Compared with the prior art, the utility model, effectively improve the internal negative pressure of engine case, reduced engine oil consumption and machine oil temperature, reduced the engine exhaust pollution simultaneously, protected the engine sealing member.
Description
Technical field
The utility model relates to the cowl hood that a kind of engine apparatus uses, be specifically related to a kind of possess respirator function cowl hood and motor and twin-tub diesel engine.
Background technique
Resuscitation apparatus is the organ that motor is used for breathing, and is mainly used to keep duration of work engine high-temperature internal body and engine body exterior pressure balance.In some motors, such as, in diesel engine, between piston ring of diesel engine and cylinder wall, there is certain interval, during diesel engine running, have a small amount of high temperature and high pressure gas and enter crankcase from firing chamber through this gap, cause the pressure in crankcase to raise.Along with diesel engine continuous running, lubricant oil constantly by the carry heat oil return drain pan of high-temperature component, makes oil sump temperature constantly raise.Under high temperature action, lightweight volatile component in lubricant oil can constantly evaporate, exacerbate the rising of crankcase pressure further, this several pressure source collects that engine interior pressure will be caused to continue rapidly is soaring, if discharged not in time, and internal body formed negative pressure, the consumption of lubricating oil can be strengthened, also can make each sealing surface of motor even body just have the danger of risen brokenly (splitting).
Fig. 1 shows the comparatively typical double-cylinder V-shaped air-cooling diesel engine resuscitation apparatus of one used in the market, two cowl hoods 2 are arranged on the both sides of diesel engine main body 1, resuscitation apparatus 3 is contained in crankcase body 4 top, distance crankcase 4 position is nearer herein, absolute distance is short, so exhaust resistance is little, but its delivery temperature can be higher.Because of the reason that the distance crankcase close together of structure for this reason and machine oil light ends after high temperature easily volatilize etc., add that the design of resuscitation apparatus labyrinth is unreasonable, one-way breather valve can not reliably working, cause in casing without negative pressure and negative pressure very low, in casing, the mist of oil of formation reliably can not condense and be back in crankcase body, when adopting the engine operation of this structure, resuscitation apparatus end has the ejection of a large amount of mist of oil, increase consumption of lubricating oil, befouling environment, reduce service life of aeroengine.
Model utility content
In order to solve the problems of the technologies described above, the utility model provide a kind of effectively can improve engine performance the cowl hood possessing respirator function and motor and twin-tub diesel engine.
In order to achieve the above object, the technical solution of the utility model is as follows:
Possess the cowl hood of respirator function, it comprises:
Cowl hood main body, be provided with the first cavity and the second cavity that are connected in it, this first cavity is also communicated with engine air inlet tube;
Keep off oily element, it is fixedly installed in the first cavity;
Sealing elements, it is fixedly installed in the first cavity, simultaneously sealing pad element to be also arranged at below the oily element of gear and and keep off sky between oily element and have gap, sealing pad element also offers exhaust port and spill port;
Respiratory activity element, it is arranged at the below of sealing elements and is connected with cowl hood subject activity, and the position of this respiratory activity element mating exhaust port offers second row pore.
Further, above-mentioned respiratory activity element offers groove, this groove comprises the first circular groove and the second groove of kidney ellipsoid, and one end of the second groove is communicated with the first groove, and above-mentioned second row pore is arranged in the first groove.
Further, the first above-mentioned cavity is chamber, labyrinth, and the second cavity is expansion chamber.
Further, the second above-mentioned cavity is W shape.
Further, above-mentioned cowl hood main body is provided with the exhaust pipe mouth of connection first cavity, it is connected with engine air inlet tube.
Further, the shape of the form fit sealing elements of above-mentioned gear oil element.
Further, above-mentioned gear oil element is a plate body.
Further, above-mentioned sealing elements comprises:
Fixed plate;
Sealing gasket, it mates the shape of fixed plate and is fixedly connected with fixed plate, and fixed plate is installed on sealing gasket and keeps off between oily element.
Motor, comprises the engine main body not possessing resuscitation apparatus, this engine main body is provided with the cowl hood possessing respirator function as above.
Twin-tub diesel engine, comprises the diesel engine main body not possessing resuscitation apparatus, and this diesel engine main body is provided with the cowl hood that two possess respirator function as above.
The utility model adopts the beneficial effect of above technological scheme to be: by cowl hood being arranged the first cavity and the second cavity that comprise connection, and in the first cavity, arrange gear oil element, sealing elements and the respiratory activity element of ecto-entad arrangement, during engine operation, when burning expansion working stroke, by the stop of the High Temperature High Pressure mist of oil sprayed in casing through the oily element of gear, part mist of oil condenses into oil and gets back in engine housing, the gap of mist of oil between the oily element of gear and sealing elements of another part High Temperature High Pressure, and by the exhaust port of sealing elements, back down respiratory activity element, enter the first cavity and second cavity of cowl hood main body, and be discharged in engine air inlet tube by the first cavity of cowl hood main body, engine housing internal pressure reduces, simultaneously in the first cavity and the second cavity, machine oil in mist of oil condenses further, get back in engine housing by the spill port on sealing elements, ensure that the first cavity of cowl hood main body discharges the waste gas not having machine oil, at engine suction working stage, respiratory activity element is opened, and motor, not only from air filter air inlet, also by the air in cowl hood main body draws engine casing, makes engine housing produce negative pressure, at engine compresses and waste air working stage, piston upwards, respiratory activity element is in closed condition all the time, and engine housing air volume increases, and forms negative pressure.
Therefore; the utility model compared with prior art; by respirator function is integrated in cowl hood; widen the distance of resuscitation apparatus and crankcase; effectively improve the negative pressure in engine housing, reduce consumption of lubricating oil and oil temperature, reduce motor exhaust simultaneously and pollute; protect engine sealing, thus make the overall performance of motor obtain raising.
Accompanying drawing explanation
Fig. 1 is the structural representation of twin-tub diesel engine of the prior art.
Fig. 2 is the outline drawing possessing the cowl hood of respirator function of the present utility model.
Fig. 3 is the structure sectional view possessing the cowl hood of respirator function of the present utility model.
Fig. 4 is the structure broken away view possessing the cowl hood of respirator function of the present utility model.
Fig. 5 is the structural representation possessing respiratory activity element involved in respirator function of the present utility model.
Label declaration:
| Label | Component names |
| 1 | Diesel engine main body |
| 2 | Cowl hood |
| 3 | Resuscitation apparatus |
| 4 | Crankcase |
| 5 | Cowl hood main body |
| 51 | First cavity |
| 52 | Second cavity |
| 53 | Exhaust pipe mouth |
| 6 | Keep off oily element |
| 7 | Sealing elements |
| 71 | Gap |
| 72 | Exhaust port |
| 73 | Spill port |
| 74 | Fixed plate |
| 75 | Sealing gasket |
| 8 | Respiratory activity element |
| 81 | Second row pore |
| 82 | First groove |
| 83 | Second groove |
Embodiment
Preferred implementation of the present utility model is described in detail below in conjunction with accompanying drawing.
In order to reach the purpose of this utility model, as shown in Figure 2-5, possess in the some of them mode of execution of the cowl hood of respirator function of the present utility model, it comprises cowl hood main body 5, keep off oily element 6, sealing elements 7 and respiratory activity element 8, the first cavity 51 and the second cavity 52 be connected is provided with in cowl hood main body 5, this first cavity 51 preferably can select chamber, labyrinth, and this second cavity 52 preferably can select expansion chamber, this first cavity 51 is also communicated with engine air inlet tube (not shown), specifically can be connected with engine air inlet tube by the exhaust pipe mouth 53 in cowl hood main body 5, this exhaust pipe mouth 53 is communicated with the first inner cavity 51, keep off oily element 6 by be spirally connected or the mode such as welding is fixedly installed in the first cavity 51, this gear oil element 6 preferably can in a plate body as shown in the figure, block or reticular body etc. can certainly be set to as required, sealing elements 7 is by be spirally connected or the mode such as welding is fixedly installed in the first cavity 51, simultaneously sealing pad element 7 to be also arranged at below the oily element 6 of gear and and keep off sky between oily element 6 and have gap 71, sealing pad element 7 also offers exhaust port 72 and spill port 73, sealing pad element 7 preferably can with the form fit of keeping off oily element 6, be convenient to form better sealability, respiratory activity element 8 is arranged at the below of sealing elements 7 and is flexibly connected with cowl hood main body 5, movable connection method preferably can adopt one end to fix, the unfixed mode in one end, make respiratory activity element 8 can carry out opening and closing movement as lid, the position of this respiratory activity element 8 mating exhaust port 72 offers second row pore 81, this respiratory activity element 8 preferably can adopt unidirectional metal to breathe sheet.
Wherein, the shape of sealing elements 7 and the oily element 6 of gear can also be set to up-narrow and down-wide trapezoid shaped as shown in Figure 4, and its both sides have the breach of arc, and the exhaust port 72 of sealing elements 7 is arranged at top, spill port 73 is arranged at bottom.The sealing elements 7 of this structure and the oily element 6 of gear, so that stabilized structure after installing, and can be convenient to separate exhaust and oil return two paths, prevent both obscure and influence each other.
Simultaneously, additionally provide in present embodiment and a kind ofly include this motor possessing the cowl hood of respirator function and two cylinder diesel engine, this motor comprises the engine main body not possessing resuscitation apparatus, this engine main body is provided with the cowl hood possessing respirator function as above, this twin-tub diesel engine comprises the diesel engine main body not possessing resuscitation apparatus, and this diesel engine main body is provided with the cowl hood that two possess respirator function as above.Other parts due to this motor and diesel engine all belong to can be known in prior art, difference is only to be installed in engine main body and diesel engine main body by the mode such as to be spirally connected by the cowl hood in present embodiment, those skilled in the art can know its structure according to prior art, therefore do not repeat them here and make to be illustrated by drawings.
Shown in composition graphs 2-5, in this structure, by cowl hood being arranged the first cavity 51 and the second cavity 52 comprising connection, and gear oil element 6, sealing elements 7 and the respiratory activity element 8 of ecto-entad arrangement are set in the first cavity 51, during engine operation, when burning expansion working stroke, by the stop of the High Temperature High Pressure mist of oil sprayed in casing through the oily element 6 of gear, part mist of oil condenses into oil and gets back in engine housing, the gap 71 of mist of oil between the oily element 6 of gear and sealing elements 7 of another part High Temperature High Pressure, and pass through the exhaust port 72 of sealing elements 7, back down respiratory activity element 8, enter the first cavity 51 and the second cavity 52 of cowl hood main body 5, and be discharged in engine air inlet tube by the first cavity 51 of cowl hood main body 5, engine housing internal pressure reduces, simultaneously in the first cavity 51 and the second cavity 52, machine oil in mist of oil condenses further, get back in engine housing by the spill port 73 on sealing elements 7, ensure that the first cavity 51 of cowl hood main body 5 discharges the waste gas not having machine oil, at engine suction working stage, respiratory activity element 8 is opened, and motor, not only from air filter air inlet, also by the air in cowl hood main body 5 draws engine casing, makes engine housing produce negative pressure, at engine compresses and waste air working stage, piston upwards, respiratory activity element 8 is in closed condition all the time, and engine housing air volume increases, and forms negative pressure.
Therefore; this cowl hood compared with prior art; by respirator function is integrated in cowl hood; widen the distance of resuscitation apparatus and crankcase; effectively improve the negative pressure in engine housing, reduce consumption of lubricating oil and oil temperature, reduce motor exhaust simultaneously and pollute; protect engine sealing, thus make the overall performance of motor obtain raising.
In order to reach the purpose of this utility model, as shown in Figure 5, possess in other mode of executions of the cowl hood of respirator function of the present utility model, other is identical with above-mentioned content, difference is, above-mentioned respiratory activity element 8 offers groove, and this groove comprises the first circular groove 82 and the second groove 83 of kidney ellipsoid, one end of second groove 83 is communicated with the first groove 82, and second row pore 81 is arranged in the first groove 82.By adopting the respiratory activity element of this structure, the weight of respiratory activity element can be alleviated on the one hand, be convenient to its movable and folding, by the leading role to the air-flow that sealing elements 7 is come can also be formed, make air-flow farthest can form driving effect to respiratory activity element 8.
In order to reach the purpose of this utility model, as shown in Figures 2 and 4, possess in other mode of executions of the cowl hood of respirator function of the present utility model, other is identical with above-mentioned content, difference is, above-mentioned second cavity 52, in W shape, can avoid miscellaneous part being installed on the one hand, expand installing space, on the other hand also can so that the expansion of expansion chamber.
In order to reach the purpose of this utility model, as shown in Figure 4, possess in other mode of executions of the cowl hood of respirator function of the present utility model, other is identical with above-mentioned content, difference is, above-mentioned sealing elements 7 comprises fixed plate 74 and sealing gasket 75, and the shape being fixed by the mode such as to be spirally connected with fixed plate 74 that sealing pad 75 mates fixed plate 74 is connected, and fixed plate 74 is installed on sealing gasket 75 and keeps off between oily element 6.Wherein, sealing gasket 75 preferably can adopt weather-proof rubber gasket.By adopting the sealing elements of this structure, make the installation of sealing elements can be more firm, thus improve integrally-built sealing.
Above-described is only preferred implementation of the present utility model; it should be pointed out that for the person of ordinary skill of the art, under the prerequisite not departing from the utility model creation design; can also make some distortion and improvement, these all belong to protection domain of the present utility model.
Claims (10)
1. possess the cowl hood of respirator function, it is characterized in that, comprising:
Cowl hood main body, be provided with the first cavity and the second cavity that are connected in it, described first cavity is also communicated with engine air inlet tube;
Keep off oily element, it is fixedly installed in described first cavity;
Sealing elements, it is fixedly installed in described first cavity, simultaneously described sealing elements to be also arranged at below the oily element of described gear and and between the oily element of described gear sky have gap, described sealing elements also offers exhaust port and spill port;
Respiratory activity element, it is arranged at the below of described sealing elements and is connected with described cowl hood subject activity, and the position of described respiratory activity element mating described exhaust port offers second row pore.
2. the cowl hood possessing respirator function according to claim 1, it is characterized in that, described respiratory activity element offers groove, described groove comprises the first circular groove and the second groove of kidney ellipsoid, one end of described second groove is communicated with described first groove, and described second row pore is arranged in described first groove.
3. the cowl hood possessing respirator function according to claim 1, is characterized in that, described first cavity is chamber, labyrinth, and described second cavity is expansion chamber.
4. the cowl hood possessing respirator function according to claim 1 or 3, is characterized in that, described second cavity is W shape.
5. the cowl hood possessing respirator function according to claim 1, is characterized in that, described cowl hood main body is provided with the exhaust pipe mouth being communicated with described first cavity, it is connected with described engine air inlet tube.
6. the cowl hood possessing respirator function according to claim 1, is characterized in that, the shape of sealing elements described in the form fit of the oily element of described gear.
7. the cowl hood possessing respirator function according to claim 1 or 6, is characterized in that, the oily element of described gear is a plate body.
8. the cowl hood possessing respirator function according to claim 1 or 6, is characterized in that, described sealing elements comprises:
Fixed plate;
Sealing gasket, it mates the shape of described fixed plate and is fixedly connected with described fixed plate, and described fixed plate is installed between described sealing gasket and described gear oil element.
9. motor, comprises the engine main body not possessing resuscitation apparatus, it is characterized in that, described engine main body is provided with the cowl hood possessing respirator function as described in claim 1-8.
10. twin-tub diesel engine, comprises the diesel engine main body not possessing resuscitation apparatus, it is characterized in that, described diesel engine main body is provided with two cowl hoods possessing respirator function as described in claim 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520507953.7U CN204804975U (en) | 2015-07-14 | 2015-07-14 | Cowl hood that possesses respirator function and engine and double -cylinder type diesel engine thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520507953.7U CN204804975U (en) | 2015-07-14 | 2015-07-14 | Cowl hood that possesses respirator function and engine and double -cylinder type diesel engine thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204804975U true CN204804975U (en) | 2015-11-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520507953.7U Expired - Fee Related CN204804975U (en) | 2015-07-14 | 2015-07-14 | Cowl hood that possesses respirator function and engine and double -cylinder type diesel engine thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204804975U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106704023A (en) * | 2015-07-14 | 2017-05-24 | 周长海 | Cowl hood with function of breathing apparatus as well as engine and double-cylinder diesel engine provided with cowl hood |
-
2015
- 2015-07-14 CN CN201520507953.7U patent/CN204804975U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106704023A (en) * | 2015-07-14 | 2017-05-24 | 周长海 | Cowl hood with function of breathing apparatus as well as engine and double-cylinder diesel engine provided with cowl hood |
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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 |
Granted publication date: 20151125 |