CN202914160U - Leakage gas collecting and dust preventing structure for crankcase - Google Patents
Leakage gas collecting and dust preventing structure for crankcase Download PDFInfo
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- CN202914160U CN202914160U CN 201220524065 CN201220524065U CN202914160U CN 202914160 U CN202914160 U CN 202914160U CN 201220524065 CN201220524065 CN 201220524065 CN 201220524065 U CN201220524065 U CN 201220524065U CN 202914160 U CN202914160 U CN 202914160U
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- air filter
- oil
- gas
- separation chamber
- gas separation
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Abstract
The utility model discloses a leakage gas collecting and dust preventing structure for a crankcase. The leakage gas collecting and dust preventing structure comprises an air filter body and an air filter cover. An air inlet is arranged on the air filter body and communicated with a dirty cavity formed by the air filter body and the air filter cover. A clean cavity drum and an air outlet communicated with the clean cavity drum are arranged on the air filter cover, a leakage gas inlet is arranged on the lower portion of the air filter cover, an oil-gas separating chamber is arranged in the dirty cavity and contains the leakage gas inlet, the upper portion of the oil-gas separating chamber is provided with an oil gas outlet for communicating the oil-gas separating chamber and the dirty cavity, a condensate outlet is arranged on the lower portion of the oil-gas separating chamber, and a liquid outlet is arranged on an air filter cover body or the air filter cover below the condensate outlet. The leakage gas collecting and dust preventing structure omits a condensation box in the prior art, is simplified, reduces product cost, is large in free degree of arranging and solves the problems of pollution of leakage gas of the crankcase and the like.
Description
Technical field
The utility model relates to a kind of motorcycle component, is that a kind of crankcase blow-by is collected dustproof construction specifically.
Background technique
The engine crankcase operated by rotary motion has the leakage hole that communicates with atmosphere, in the process of piston up-down, by this leakage hole exhaust and air-breathing, keeps crankcase internal air pressure balance.Contain lubricant oil steam, combustion gas etc. in the gas leakage of crankcase internal engine crankcase, if directly drain in the atmosphere, then can cause severe contamination to environment, therefore, the existing relevant emission standards of country, regulation does not allow the gas leakage of engine crankcase directly to be drained in the atmosphere.For this reason, the better method that solves the crankcase blow-by discharging is that crankcase blow-by is linked in the clean chamber of air filter, again burns so that gas leakage reenters the firing chamber.But the part vehicle can't realize engine crankcase because of the air filter special construction and connect the clean chamber of air filter, connect and turn the splanchnocoel of asking in air filter, advance the dirt problem for solving the crankcase blow-by pipe with the crankcase that the connection of air filter splanchnocoel brings, generally be that a condensation box is set in the middle of the gas leakage pipe of air filter in the prior art, condensation box one termination crankcase, one termination air filter, lubricant oil steam in the gas leakage, combustion gas etc. are after condensation box cooling in the housing that fluid drips drops down onto condensation box bottom, but this solution exists number of parts many (such as the independent condensation box of need, the mounting structure of condensation box), complex structure, cost is also high, and is subject to space layout impact.
The model utility content
In order to overcome the deficiencies in the prior art, the utility model provides that a kind of component number is few, cost is low, be not subject to the space arrangement constraints, arrange that degrees of freedom is large, the crankcase blow-by of good dustproof effect is collected dustproof construction.
The technological scheme that its technical problem that solves the utility model adopts is:
A kind of crankcase blow-by is collected dustproof construction, it comprises air filter body and air filter lid, be provided with suction port on the air filter body, suction port is connected with the splanchnocoel that is made of air filter body and air filter lid, described air filter covers the air outlet that is provided with clean chamber cylinder and is communicated with clean chamber cylinder, the bottom of air filter lid is provided with the gas leakage suction port, be provided with the Oil-gas Separation chamber in the described splanchnocoel, the gas leakage suction port is accommodated in described Oil-gas Separation chamber, the top of Oil-gas Separation chamber is provided with for the oil gas vent that is communicated with Oil-gas Separation chamber and splanchnocoel, the bottom of Oil-gas Separation chamber is provided with the condensed fluid liquid outlet, and the air filter lid body of described condensed fluid liquid outlet below or air filter cover and be provided with liquid outlet opening.
As improvement of the technical scheme, described Oil-gas Separation chamber by the upper and lower baffle plate that lays respectively at gas leakage suction port upper and lower, be positioned at the gas leakage suction port along the perpendicular baffle plate in its airintake direction the place ahead, the sealing plate that baffle plate, overhead gage and lower pedal are erected in capping is with the formation that outer wall surrounds of the inwall of air filter lid, clean chamber cylinder, erects not butt and form the condensed fluid liquid outlet of baffle plate and lower pedal.
As further improvement in the technical proposal, described perpendicular baffle plate, overhead gage and lower pedal all are shaped in air filter and cover, and air filter covers the sealing plate supporting post that is provided with for the fixing seal plate is installed.
Preferably, not or not incomplete butt between described sealing plate and the overhead gage, the gap between sealing plate and the overhead gage forms oil gas vent.
Further, be provided with stiffening rib on the described sealing plate.
Further, be equipped with the sponge filter core on the outer wall of described clean chamber cylinder, described Oil-gas Separation chamber is axially low than the sponge filter core along clean chamber cylinder.
The beneficial effects of the utility model are: the utility model is by arranging the Oil-gas Separation chamber in splanchnocoel, the gas leakage suction port is accommodated in the Oil-gas Separation chamber, the top of Oil-gas Separation chamber is provided with for the oil gas vent that is communicated with Oil-gas Separation chamber and splanchnocoel, the bottom of Oil-gas Separation chamber is provided with the condensed fluid liquid outlet, the air filter lid body of condensed fluid liquid outlet below or air filter cover and are provided with liquid outlet opening, abandoned the use of condensation box in the conventional art, simplify the structure, reduced the cost of product, because this Oil-gas Separation chamber is arranged in the splanchnocoel that has than large space, be not subject to the space arrangement constraints, arrange that degrees of freedom is large; The gas leakage of crankcase can be done short stay after entering this Oil-gas Separation chamber by the gas leakage suction port, so that the condensations such as steam in the gas leakage are discharged splanchnocoel by condensed fluid liquid outlet and liquid outlet opening, oil gas then enters behind the splanchnocoel to enter in the clean chamber and to come back to motor in company with air and burns, and has effectively solved the pollution problem of crankcase blow-by; Simultaneously; because the existence of this Oil-gas Separation chamber has avoided the gas leakage suction port directly to be communicated with splanchnocoel, only be to communicate with splanchnocoel by little labyrinth (oil gas vent and condensed fluid liquid outlet); slow down the suction of the launched machine crankshaft case of dust, played the effect of protection motor.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples.
Fig. 1 is structural representation of the present utility model;
Fig. 2 is decomposing schematic representation of the present utility model;
Fig. 3 is that the utility model hollow filter cover is along the clean axial projection drawing of chamber cylinder;
Fig. 4 is the side view of the utility model hollow filter cover;
Structural representation in the time that Fig. 5 being Fig. 4 fit on sealing plate;
Fig. 6 is that Fig. 5 illustrates the structural representation that sealed plate blocks parts;
The partial enlarged drawing of A among Fig. 7 Fig. 6;
Fig. 8 be in the utility model sealing plate structural representation.
Embodiment
With reference to Fig. 1 ~ Fig. 8, a kind of crankcase blow-by of the present utility model is collected dustproof construction, it comprises air filter body 1 and air filter lid 2, be provided with suction port 11 on the air filter body 1, suction port 11 be connected by air filter body 1 and air filter lid 2 splanchnocoels that consist of 4, all be splanchnocoel such as the 4 indication dotted line regions of label among Fig. 3 ~ Fig. 6, the other end of described suction port 11 is communicated with atmosphere; The air outlet 22 that is provided with clean chamber cylinder 21 and is communicated with clean chamber cylinder 21 on the described air filter lid 2, be provided with sponge filter core 6 on the clean chamber cylinder 21, sponge filter core 6 is used for separating clean chamber 211 and splanchnocoel 4, and the air in the splanchnocoel 4 can enter into clean chamber 211 after filtering through sponge filter core 6; The bottom of described air filter lid 2 is provided with gas leakage suction port 23, gas leakage suction port 23 is used for the gas leakage of access crankcase, be provided with the Oil-gas Separation chamber in the described splanchnocoel 4, gas leakage suction port 23 is accommodated in described Oil-gas Separation chamber, so that the gas leakage of crankcase is when entering into air filter, first in described Oil-gas Separation chamber, carry out short stay, to guarantee the condensations such as steam, the bottom of Oil-gas Separation chamber is provided with condensed fluid liquid outlet 28, be provided with liquid outlet opening 5 on the air filter lid body 1 of described condensed fluid liquid outlet 28 belows or the air filter lid 2, condensed water etc. are discharged splanchnocoel 4 through condensed fluid liquid outlet 28 and liquid outlet opening 5; The top of described Oil-gas Separation chamber is provided with for being communicated with the oil gas vent of Oil-gas Separation chamber with splanchnocoel 4, and the oil gas that is not condensed enters into splanchnocoel 4 through oil gas vent, and comes back in the motor through clean chamber 211 in company with air and to burn.
Described Oil-gas Separation chamber is by laying respectively on the gas leakage suction port 23, the below upper, lower pedal 26,27, be positioned at gas leakage suction port 23 along the perpendicular baffle plate 25 in its airintake direction the place ahead, baffle plate 25 is erected in capping, the sealing plate 3 of overhead gage 26 and lower pedal 27 covers 2 inwall with air filter, the formation that outer wall surrounds of clean chamber cylinder 21, can the passage of connection described Oil-gas Separation chamber and splanchnocoel 4 be set as oil gas vent at sealing plate 3 or overhead gage 26, so that can coming back to motor after oil gas vent enters into splanchnocoel 4, the oil gas that is not condensed burns, certainly, oil gas vent can also be arranged on lower pedal 27, on the perpendicular baffle plate 25; Described perpendicular baffle plate 25 and lower pedal 27 be butt and form condensed fluid liquid outlet 28 not.
Preferred as present embodiment, described perpendicular baffle plate 25, overhead gage 26 and lower pedal 27 all are shaped on the air filter lid 2, be provided with for the sealing plate supporting post 24 that fixing seal plate 3 is installed on the air filter lid 2, further preferred, not or not incomplete butt between described sealing plate 3 and the overhead gage 26, gap between sealing plate 3 and the overhead gage 26 forms oil gas vent, so that gas leakage suction port 23 is when air-breathing from air filter, what the dust in the splanchnocoel 4 was the least possible is inhaled in the crankcase.Perpendicular baffle plate 25, overhead gage 26, lower pedal 27 and sealing plate 3 also can be made first integrated without the bottom structure, then will be somebody's turn to do without the bottom structure and be fixed on the inwall of air filter lid 2, gas leakage suction port 23 is accommodated without the bottom structure by this, and this forms described Oil-gas Separation chamber without the bottom structure with the inwall of air filter lid 2.
The gas leakage frequency of considering crankcase is large, and temperature is high in the crankcase, and pressure was larger when gas leakage was scurried out, and for this reason, was provided with stiffening rib 31 on the described sealing plate 3, prevented that sealing plate 3 from deforming etc.
Consider on the outer wall of described clean chamber cylinder 21 and be equipped with sponge filter core 6, preferably that described Oil-gas Separation chamber is axially low than sponge filter core 6 along clean chamber cylinder 21, sponge filter core 6 is directly impacted in the gas leakage of avoiding entering into described Oil-gas Separation chamber, prevents that sponge filter core 6 from a large amount of greasy dirts occurring and affecting filtering effect near gas leakage suction port 23 positions.
By the Oil-gas Separation chamber is being set in splanchnocoel 4, gas leakage suction port 23 is accommodated in the Oil-gas Separation chamber, the top of Oil-gas Separation chamber is provided with for the oil gas vent that is communicated with Oil-gas Separation chamber and splanchnocoel 4, the bottom of Oil-gas Separation chamber is provided with condensed fluid liquid outlet 28, be provided with liquid outlet opening 5 on the air filter lid body 1 of condensed fluid liquid outlet 28 belows or the air filter lid 2, abandoned the use of condensation box in the conventional art, simplify the structure, reduced the cost of product, because this Oil-gas Separation chamber is arranged in the splanchnocoel that has than large space, be not subject to the space arrangement constraints, arrange that degrees of freedom is large; The gas leakage of crankcase can be done short stay after entering this Oil-gas Separation chamber by gas leakage suction port 23, so that the condensations such as steam in the gas leakage are discharged splanchnocoel 4 by condensed fluid liquid outlet and liquid outlet opening 5, oil gas then enter splanchnocoel 4 rear enter in the clean chamber 211 and come back to motor in company with air burn, effectively solved the pollution problem of crankcase blow-by; Simultaneously; because the existence of this Oil-gas Separation chamber has avoided gas leakage suction port 23 directly to be communicated with splanchnocoel 4, only is to communicate with splanchnocoel 4 by little labyrinth (oil gas vent and condensed fluid liquid outlet); slow down the suction of the launched machine crankshaft case of dust, played the effect of protection motor.
The above be better embodiment of the present utility model, but the utility model is not limited to above-described embodiment, as long as it reaches technique effect of the present utility model with any same or similar means, all should fall within the protection domain of the present utility model.
Claims (6)
1. a crankcase blow-by is collected dustproof construction, comprise air filter body (1) and air filter lid (2), be provided with suction port (11) on the air filter body (1), suction port (11) is connected with the splanchnocoel (4) that is made of air filter body (1) and air filter lid (2), the air outlet (22) that is provided with clean chamber cylinder (21) and is communicated with clean chamber cylinder (21) on the described air filter lid (2), the bottom of air filter lid (2) is provided with gas leakage suction port (23), it is characterized in that: described splanchnocoel is provided with the Oil-gas Separation chamber in (4), gas leakage suction port (23) is accommodated in described Oil-gas Separation chamber, the top of Oil-gas Separation chamber is provided with for the oil gas vent that is communicated with Oil-gas Separation chamber and splanchnocoel (4), the bottom of Oil-gas Separation chamber is provided with condensed fluid liquid outlet (28), is provided with liquid outlet opening (5) on the air filter lid body (1) of described condensed fluid liquid outlet (28) below or the air filter lid (2).
2. a kind of crankcase blow-by according to claim 1 is collected dustproof construction, it is characterized in that: described Oil-gas Separation chamber is by laying respectively on the gas leakage suction port (23), the below upper, lower pedal (26,27), be positioned at gas leakage suction port (23) along the perpendicular baffle plate (25) in its airintake direction the place ahead, baffle plate (25) is erected in capping, the inwall of the sealing plate (3) of overhead gage (26) and lower pedal (27) and air filter lid (2), the formation that outer wall surrounds of clean chamber cylinder (21), perpendicular baffle plate (25) and lower pedal (27) be butt and form condensed fluid liquid outlet (28) not.
3. a kind of crankcase blow-by according to claim 2 is collected dustproof construction, it is characterized in that: described perpendicular baffle plate (25), overhead gage (26) and lower pedal (27) all are shaped on the air filter lid (2), are provided with for the sealing plate supporting post (24) that fixing seal plate (3) is installed on the air filter lid (2).
4. a kind of crankcase blow-by according to claim 3 is collected dustproof construction, it is characterized in that: not or not incomplete butt between described sealing plate (3) and the overhead gage (26), the gap formation oil gas vent between sealing plate (3) and the overhead gage (26).
5. a kind of crankcase blow-by according to claim 2 is collected dustproof construction, it is characterized in that: be provided with stiffening rib (31) on the described sealing plate (3).
6. each described a kind of crankcase blow-by is collected dustproof construction according to claim 1 ~ 5, it is characterized in that: be equipped with sponge filter core (6) on the outer wall of described clean chamber cylinder (21), described Oil-gas Separation chamber is axially low than sponge filter core (6) along clean chamber cylinder (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220524065 CN202914160U (en) | 2012-10-12 | 2012-10-12 | Leakage gas collecting and dust preventing structure for crankcase |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220524065 CN202914160U (en) | 2012-10-12 | 2012-10-12 | Leakage gas collecting and dust preventing structure for crankcase |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202914160U true CN202914160U (en) | 2013-05-01 |
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ID=48162481
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220524065 Expired - Lifetime CN202914160U (en) | 2012-10-12 | 2012-10-12 | Leakage gas collecting and dust preventing structure for crankcase |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202914160U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102913303A (en) * | 2012-10-12 | 2013-02-06 | 江门市大长江集团有限公司 | Leaking gas-collecting and dust-preventing structure of crankcase |
| CN103557100A (en) * | 2013-09-26 | 2014-02-05 | 浙江亚特电器有限公司 | Air filter capable of separating oil from vapor |
-
2012
- 2012-10-12 CN CN 201220524065 patent/CN202914160U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102913303A (en) * | 2012-10-12 | 2013-02-06 | 江门市大长江集团有限公司 | Leaking gas-collecting and dust-preventing structure of crankcase |
| CN103557100A (en) * | 2013-09-26 | 2014-02-05 | 浙江亚特电器有限公司 | Air filter capable of separating oil from vapor |
| CN103557100B (en) * | 2013-09-26 | 2016-05-18 | 浙江亚特电器有限公司 | A kind of air filter that can carry out oily vapour separation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130501 |
|
| CX01 | Expiry of patent term |