CN213899077U - Integrated compact oil-gas separation device of internal combustion engine - Google Patents
Integrated compact oil-gas separation device of internal combustion engine Download PDFInfo
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- CN213899077U CN213899077U CN202022739071.7U CN202022739071U CN213899077U CN 213899077 U CN213899077 U CN 213899077U CN 202022739071 U CN202022739071 U CN 202022739071U CN 213899077 U CN213899077 U CN 213899077U
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Abstract
The utility model relates to the technical field of internal-combustion engines, and discloses an integrated compact oil-gas separation device of an internal-combustion engine, which comprises a cylinder head cover body fixed on a diesel engine body, wherein the cylinder head cover body is fixedly provided with an oil-gas separation device which comprises an oil-gas separation body, an air inlet, a plurality of V-shaped isolation grooves, isolation plates arranged in a staggered way, through-hole type isolation plates and an inner cavity channel are arranged in the oil-gas separation body, a filtering separation cavity is arranged above the inner cavity channel, and the filtering separation cavity is connected with a gas channel; an oil baffle plate and a filter screen cloth are arranged in the filtering separation cavity, and an air outlet channel and a conical oil return groove are arranged on the left side of the air channel. The oil-gas separation device and the cylinder head cover are combined into a whole, so that the problem that an externally-hung oil-gas separation device occupies a large space is solved; and through setting up a plurality of separation ways such as V-arrangement isolation slot, the staggered division board that sets up, through-hole formula division board, filtration separation chamber, can effectively improve oil-gas separation efficiency, improve the cyclic utilization rate of machine oil.
Description
The technical field is as follows:
the utility model belongs to the technical field of the internal-combustion engine technique and specifically relates to an integrated compact formula oil gas separator of internal-combustion engine is related to.
Background art:
the oil-gas separation device is also called a breather and is mainly used for returning oil and discharging gas mixed with oil-gas in a crankcase due to blow-by gas. The crude oil-gas separation device adopts an externally-hung oil-gas separator, oil-containing mixed gas is led out (led out) through a long pipe and enters the device for separation, and separated engine oil flows back to an oil pan through a guide pipe for reuse.
The utility model has the following contents:
the utility model aims at overcoming the defects of the prior art and providing an integrated compact oil-gas separation device of an internal combustion engine, which solves the problem of large occupied space of an externally-hung oil-gas separation device by combining the oil-gas separation device and a cylinder cover into a whole; and through setting up a plurality of separation ways such as V-arrangement isolation slot, the staggered division board that sets up, through-hole formula division board, filtration separation chamber, can effectively improve oil-gas separation efficiency, improve the cyclic utilization rate of machine oil.
The utility model provides a technical problem's scheme is:
an integrated compact type oil-gas separation device of an internal combustion engine comprises a cylinder head cover body fixed on a diesel engine body, wherein the cylinder head cover body is fixedly provided with an oil-gas separation device, the oil-gas separation device comprises an oil-gas separation body, an air inlet, a plurality of linearly arranged V-shaped isolation grooves, two isolation plates arranged in a staggered manner, through hole type isolation plates and an inner cavity channel are sequentially arranged in the oil-gas separation body from right to left, a filtering separation cavity is arranged above the left end of the inner cavity channel, and the filtering separation cavity is connected with a gas channel;
an oil baffle plate and a filter screen cloth are arranged in the filtering separation cavity, and the filter screen cloth is positioned on the outer side of the oil baffle plate;
the upper part of the left side of the gas channel is connected with a gas outlet channel, and the lower bottom surface of the left side of the gas channel is provided with a conical oil return groove.
The plurality of V-shaped isolation grooves are formed by a plurality of linearly arranged V-shaped plates.
One end of the isolating plate is fixed with one side wall of the oil-gas separation body, and a gap is reserved between the other end of the isolating plate and the other side wall of the oil-gas separation body.
And a plurality of through holes which penetrate through the left and right are formed on the through hole type isolation plate.
And a plurality of overhead transverse grooves are formed on the upper side wall of the oil-gas separation body, which is positioned right above the air inlet.
The oil-gas separation body is fixed on the cylinder head cover body through screws.
The lower bottom surface of the gas channel is obliquely arranged in a manner of being low at the left and high at the right, and the conical oil return groove is formed in the lowest position of the gas channel.
The utility model discloses an outstanding effect is:
compared with the prior art, the oil-gas separation device and the cylinder cover are combined into a whole, so that the problem that the externally-hung oil-gas separation device occupies a large space is solved; and through setting up a plurality of separation ways such as V-arrangement isolation slot, the staggered division board that sets up, through-hole formula division board, filtration separation chamber, can effectively improve oil-gas separation efficiency, improve the cyclic utilization rate of machine oil.
Description of the drawings:
fig. 1 is a schematic structural view of the present invention (after rotating 90 ° clockwise);
FIG. 2 is a cross-sectional view of FIG. 1 taken about A-A;
fig. 3 is a three-dimensional schematic view of the present invention;
fig. 4 is a schematic view of the diesel engine body, the cylinder head cover body and the oil-gas separation device portion.
The specific implementation mode is as follows:
in an embodiment, as shown in fig. 1 to 4, an integrated compact oil-gas separation device for an internal combustion engine includes a cylinder head cover body 1 fixed on a diesel engine body 3, the cylinder head cover body 1 is fixed with an oil-gas separation device 2, the oil-gas separation device 2 includes an oil-gas separation body 21, an air inlet 211, a plurality of linearly arranged V-shaped isolation grooves 212, two isolation plates 213 arranged in a staggered manner, a through-hole type isolation plate 214, and an inner cavity channel 215 are sequentially arranged in the oil-gas separation body 21 from right to left, a filtering separation cavity 216 is arranged above a left end of the inner cavity channel 215, and the filtering separation cavity 216 is connected with an air channel 217;
an oil baffle plate 22 and a filter screen cloth 23 are arranged in the filtering and separating cavity 216, and the filter screen cloth 23 is positioned on the outer side of the oil baffle plate 22;
an air outlet channel 218 is connected to the upper left side of the air channel 217, and a conical oil return groove 219 is formed in the lower bottom surface of the left side of the air channel 217.
Further, the plurality of V-shaped isolation grooves 212 are formed by a plurality of linearly arranged V-shaped plates 2121.
More specifically, one end of the isolation plate 213 is fixed to one side wall of the oil-gas separation body 21, and the other end of the isolation plate 213 has a gap with the other side wall of the oil-gas separation body 21.
Further, a plurality of through holes 2141 are formed through the through hole isolation plate 214.
Furthermore, a plurality of overhead transverse grooves 210 are formed on the upper side wall of the oil-gas separation body 21, which is located right above the air inlet 211.
Furthermore, the oil-gas separation body 21 is fixed to the cylinder head cover body 1 by screws.
Furthermore, the lower bottom surface of the air passage 217 is inclined from lower left to higher right, and the tapered oil return groove 219 is disposed at the lowest position of the air passage 217.
The working principle is as follows: the oil-containing mixed gas directly enters the air inlet 211 from the cylinder head cover body 1, part of oil is condensed in the overhead transverse groove 210 at the top of the air inlet, and when the engine oil on the overhead transverse groove 210 is accumulated to a certain amount, the oil automatically drops into the movable cylinder head cover body; then the other oil-containing mixed gas enters the inner cavity channel 215 sequentially through the V-shaped isolation grooves 212, the isolation plates 213 and the through holes 2141 of the through hole type partition plates, a certain amount of engine oil can be adhered to the surfaces of the V-shaped isolation grooves 212, the isolation plates 213, the through holes 2141 of the through hole type partition plates and the inner cavity channel 215, and the engine oil can flow back to the right and flow back to the cylinder head cover through the air inlet; the remaining oil-containing mixed gas then enters the filtering separation chamber 216, passes through the filter mesh 23 by the action of the filter mesh 23 into the gas passage 217 and then flows out through the gas outlet passage 218, while the engine oil accumulates between the filter mesh and the bottom of the oil baffle and slowly permeates from the bottom of the filter mesh into the gas passage 217 and then flows along the lower bottom surface (which is a slope) of the gas passage 217 into the tapered return groove 219, and the engine oil in the tapered return groove 219 drops downward into the cylinder head cover body 1.
The above embodiments are only used for illustrating the present invention, and not for the system of the present invention, and those skilled in the relevant technical field can make various changes and modifications without departing from the spirit and scope of the present invention, so that all equivalent technical solutions also belong to the scope of the present invention, and the protection scope of the present invention should be defined by the claims.
Claims (7)
1. The utility model provides an integrated compact formula oil gas separator of internal-combustion engine, is including fixing cylinder head cover body (1) on diesel engine body (3), be fixed with oil gas separator (2), its characterized in that on cylinder head cover body (1): the oil-gas separation device (2) comprises an oil-gas separation body (21), wherein an air inlet (211), a plurality of linearly arranged V-shaped isolation grooves (212), two isolation plates (213) which are arranged in a staggered mode, a through hole type isolation plate (214) and an inner cavity channel (215) are sequentially arranged in the oil-gas separation body (21) from right to left, a filtering separation cavity (216) is arranged above the left end of the inner cavity channel (215), and the filtering separation cavity (216) is connected with a gas channel (217);
an oil baffle plate (22) and a filter screen cloth (23) are arranged in the filtering and separating cavity (216), and the filter screen cloth (23) is positioned on the outer side of the oil baffle plate (22);
an air outlet channel (218) is connected to the upper portion of the left side of the air channel (217), and a conical oil return groove (219) is formed in the lower bottom surface of the left side of the air channel (217).
2. The integrated compact type oil-gas separation device of an internal combustion engine according to claim 1, characterized in that: the plurality of V-shaped isolation grooves (212) are formed by a plurality of linearly arranged V-shaped plates (2121).
3. The integrated compact type oil-gas separation device of an internal combustion engine according to claim 1, characterized in that: one end of the isolation plate (213) is fixed with one side wall of the oil-gas separation body (21), and a gap is reserved between the other end of the isolation plate (213) and the other side wall of the oil-gas separation body (21).
4. The integrated compact type oil-gas separation device of an internal combustion engine according to claim 1, characterized in that: the through hole type isolation plate (214) is provided with a plurality of through holes (2141) which penetrate through the left and the right.
5. The integrated compact type oil-gas separation device of an internal combustion engine according to claim 1, characterized in that: a plurality of overhead transverse grooves (210) are formed in the upper side wall of the oil-gas separation body (21) which is positioned right above the gas inlet (211).
6. The integrated compact type oil-gas separation device of an internal combustion engine according to claim 1, characterized in that: the oil-gas separation body (21) is fixed on the cylinder head cover body (1) through screws.
7. The integrated compact type oil-gas separation device of an internal combustion engine according to claim 1, characterized in that: the lower bottom surface of the gas channel (217) is obliquely arranged in a manner that the left part is lower than the right part, and the conical oil return groove (219) is arranged at the lowest part of the gas channel (217).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202022739071.7U CN213899077U (en) | 2020-11-24 | 2020-11-24 | Integrated compact oil-gas separation device of internal combustion engine |
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CN202022739071.7U CN213899077U (en) | 2020-11-24 | 2020-11-24 | Integrated compact oil-gas separation device of internal combustion engine |
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CN213899077U true CN213899077U (en) | 2021-08-06 |
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CN202022739071.7U Active CN213899077U (en) | 2020-11-24 | 2020-11-24 | Integrated compact oil-gas separation device of internal combustion engine |
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2020
- 2020-11-24 CN CN202022739071.7U patent/CN213899077U/en active Active
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