CN209115166U - A kind of full loop forced draught lubricating system - Google Patents
A kind of full loop forced draught lubricating system Download PDFInfo
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- CN209115166U CN209115166U CN201822103662.8U CN201822103662U CN209115166U CN 209115166 U CN209115166 U CN 209115166U CN 201822103662 U CN201822103662 U CN 201822103662U CN 209115166 U CN209115166 U CN 209115166U
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- oil
- oilhole
- hole
- crankshaft
- cylinder head
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Abstract
The utility model discloses a kind of full loop forced draught lubricating systems, including engine housing (1), case lid (2) and crankshaft, shoe cream room (11) and lubricating oil pump (12) are equipped in the engine housing (1), lubricating oil pump (12) is connected to filter thin oil (24), and two flowlines of filter thin oil (24) output end are connected to the corresponding position on engine housing (1) and case lid (2) respectively；The first jet (71) are equipped in engine housing (11), the cam shaft mounting hole of corresponding end is also connected to two cylinder heads respectively, and two cylinder heads are connected to shoe cream room (11).The utility model is equipped with oil cooler, assists the temperature for reducing pressure oil, and each oil circuit by being arranged, is adequately lubricated corresponding workpiece in engine case body respectively, can extend the service life of gasoline engine.
Description
Technical field
The utility model relates to V-type double-cylinder general gasoline engines technical field, in particular to a kind of full loop forced draught profit
Sliding system.
Background technique
The lubricating system of existing V-type double-cylinder general gasoline engines is all made of force feed lubrication and lubricates with splashing to combination
Mode.Force feed is the lubricating system for machine oil being fed with certain pressure friction surface；Lubrication of splashing is to utilize fortune in case
The lubricating system of oil droplet or fog lubrication friction surface that moving part splashes.In above-mentioned lubricating system, cylinder head top is not
There is pressure oil supply, valve and rocker arm etc. are located at the moving component on cylinder head top, and only splash in crankcase the mist of oil generated
Lubrication, lubricant effect are poor；And cylinder head top does not have oil circulation, is unfavorable for the heat dissipation of the components such as cylinder head and valve, finally
Cause Engine Durability poor.
Utility model content
The technical problem to be solved by the present invention is to provide one kind, and good profit can be provided to engine operation component
Sliding and cooling effect, and the full loop forced draught lubricating system of gasoline engine service life can be extended.
The technical solution of the utility model is as follows:
A kind of full loop forced draught lubricating system, including engine housing, case lid and crankshaft, in the engine housing
Equipped with the first crankshaft installed hole and the first cam shaft mounting hole, the second crankshaft installed hole and the second cam are equipped on the case lid
Shaft mounting hole, two crankshaft installed holes and cam shaft mounting hole are symmetrical arranged, and are additionally provided on the engine housing
First cylinder head and the second cylinder head；The engine housing and case lid, which surround, is formed with a shoe cream room, in the shoe cream room
Interior case lid side is equipped with lubricating oil pump, and one end of the lubricating oil pump is connected with relief valve, the relief valve and is installed in outside case lid
First high-pressure oil pipe one end of side is connected to, and the first high-pressure oil pipe other end is connected to one end of oil cooler, the machine
The other end of oil cooler is connected to one end of the second high-pressure oil pipe, the other end of second high-pressure oil pipe and filter thin oil
One end connection, the output end of the filter thin oil are equipped with the first flowline and the second flowline, two flowline difference
It is connected to the corresponding position on engine housing and case lid；
First flowline is successively connected to the first crankshaft installed hole, the first cam shaft mounting hole, on the crankshaft
Equipped with oilhole, one end of the oilhole is connected to the first crankshaft installed hole, and the other end is communicated with junction of the connecting rod on crankshaft；
Second flowline is successively connected to the second crankshaft installed hole, the second cam shaft mounting hole, in first crankshaft installed hole
Between the first cam shaft mounting hole, connection is equipped with first jet of the opening in engine case body, first camshaft
Mounting hole is also connected to the first cylinder head and the second cylinder head respectively, and two cylinder heads are connected to shoe cream room.
Using the above structure, lubricating oil pump provides pressure oil, and lubricating oil pump is connected to relief valve, and relief valve can prevent working connection oil pressure
Guidance of the pressure oil through the first high-pressure oil pipe that be excessively high, inputting through relief valve, into oil cooler, oil cooler can be effective
The temperature of degradation lubricating oil, then, guidance of the pressure oil through the second high-pressure oil pipe, into filter thin oil, filter thin oil energy
The fine impurities such as abrasive dust in filter pressure oil；Then, pressure oil is after filter thin oil filters, respectively from the first flowline and
The output of two flowlines, the pressure oil exported from the first flowline is through the oil duct in cabinet and case lid, successively to the second crankshaft installed
The hole wall in hole and the hole wall of the second cam shaft mounting hole are lubricated, at the same time, the first crankshaft installed hole and the first cam
Connection is equipped with first jet of the opening in engine case body between shaft mounting hole, and pressure oil can be sprayed by the first jet,
It is thrown away through crankshaft sputtering, the rubbing surface of the rubbing surface of piston and piston pin, piston pin and connecting rod is lubricated；It is fuel-displaced from second
The pressure oil of pipe output is through oil duct in cabinet and crankshaft, the successively hole wall to the first crankshaft installed hole, the first cam shaft mounting hole
Hole wall and connecting rod mounting hole wall is lubricated；The pressure oil through the first cam shaft mounting hole and the first cylinder head and
The connection of second cylinder head, is lubricated the components such as valve corresponding in cylinder head, rocker arm, tappet, finally flows back to the storage of connection
Oil pocket recycles repeatedly, can provide sufficient lubricating oil supply, ensure that the reliability of each rubbing surface lubrication；It circulates
Pressure oil can effectively take away the heat of cylinder head, valve, piston and each rubbing surface after oil cooler is cooling, reduce each
The temperature of high-temperature component prevents cylinder head bolt torsion from decaying, promotes the endurance quality of engine.
In order to simplify structure, convenient for lubrication, preferably, in the case lid at the communicating position of corresponding first flowline
Equipped with the first oilhole, which is connected to the one end in the second crankshaft installed hole, is equipped with the in the side in the crankshaft installed hole
Two oilholes, second oilhole are connected to the second cam shaft mounting hole of corresponding end, form the first oil circuit.
In order to simplify structure, convenient for lubrication, preferably, corresponding second is fuel-displaced in the side wall of the engine housing
Third oilhole is equipped at the communicating position of pipe, which is connected to the one end in the first crankshaft installed hole, this first
The side in crankshaft installed hole is equipped with the 4th oilhole, and the 4th oilhole be connected to the first cam shaft mounting hole of corresponding end, formation the
Two oil circuits.
In order to simplify structure, it is easily installed and lubricates connecting rod, preferably, the company of being arranged at the crank of the crankshaft
Bar, the crankshaft are equipped with oilhole, and one end of the oilhole is connected to the first crankshaft installed hole inner wall, the crank of the other end and crankshaft
Position connection, so that pressure oil is arranged installation site lubrication to connecting rod.
In order to simplify structure, convenient for lubrication, preferably, being additionally provided on the hole wall of the first cam shaft mounting hole
5th oilhole and the 6th oilhole, the oblique left side of the 5th oilhole are connected with the second jet, and second jet is located at first
In cylinder head, first cylinder head is connected to by the first oil return hole with shoe cream room, forms third oil circuit, the third oil circuit and the
The first oil return circuit is collectively formed in two oil circuits；The oblique right side of 6th oilhole is connected with third jet, the third jet
It being located in the second cylinder head, second cylinder head is connected to by the second oil return hole with shoe cream room, the 4th oil circuit of formation, and the described 4th
The second oil return circuit is collectively formed in oil circuit and the second oil circuit.
For the ease of biggish impurity in filter pressure oil, preferably, being additionally provided with coarse oil in the shoe cream room
Net.
The utility model has the advantages that the utility model is equipped with oil cooler, the temperature for reducing pressure oil, and each item by being arranged are assisted
Oil circuit respectively adequately lubricates corresponding workpiece in engine case body, can extend the service life of gasoline engine.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the structural schematic diagram of case lid side in shoe cream room.
Fig. 3 is the inner sidewall structure schematic diagram of engine housing.
Fig. 4 is the stroke schematic diagram in pressure oil cooling and the first oil return circuit.
Fig. 5 is the stroke schematic diagram of the first oil circuit.
Fig. 6 is the stroke schematic diagram of the second oil circuit, the 5th oilhole and the 6th oilhole.
Fig. 7 is the stroke schematic diagram of the second oil return circuit.
Oil circuit stroke schematic diagram of the Fig. 8 between crankshaft and engine housing.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing.
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7 and Fig. 8, the utility model is by engine housing 1, case lid 2
It is formed with crankshaft (not indicating) etc., is equipped with the first crankshaft installed hole 41 and the first cam shaft mounting hole in the engine housing 1
51, be equipped with the second crankshaft installed hole 42 and the second cam shaft mounting hole 52 on the case lid 2, two crankshaft installed holes and
Cam shaft mounting hole is symmetrical arranged, and the first cylinder head 81 and the second cylinder head 82 are additionally provided on the engine housing 1；Institute
It states engine housing 1 and case lid 2 surrounds and is formed with a shoe cream room 11,2 side of case lid in the shoe cream room 11 is equipped with machine
Oil pump 12 and coarse oil net 14, one end of the lubricating oil pump 12 are connected with relief valve 13, the relief valve 13 be installed in case
First high-pressure oil pipe, 21 one end connection in 2 outside of lid, one end of the first high-pressure oil pipe 21 other end and oil cooler 22
Connection, the other end of the oil cooler 22 is connected to one end of the second high-pressure oil pipe 23, second high-pressure oil pipe 23 it is another
One end is connected to one end of filter thin oil 24, and the output end of the filter thin oil 24 is equipped with the first flowline 25 and second and goes out
Oil pipe 26, two flowlines are connected to the corresponding position on engine housing 1 and case lid 2 respectively.
In the case lid 2, the first oilhole 31, first oilhole 31 are equipped at the communicating position of corresponding first flowline 25
It is connected to the one end in the second crankshaft installed hole 42, is equipped with the second oilhole 32 in the side in the second crankshaft installed hole 42, this second
Oilhole 32 is connected to the second cam shaft mounting hole 52 of corresponding end, forms the first oil circuit；
In the side wall of the engine housing 1, it is equipped with third oilhole 33 at the communicating position of corresponding second flowline 26,
The third oilhole 33 is connected to the one end in the first crankshaft installed hole 41, is equipped with the 4th oil in the side in the first crankshaft installed hole 41
Hole 34, the 4th oilhole 34 are connected to the first cam shaft mounting hole 51 of corresponding end, form the second oil circuit；In first crankshaft
The first jet 71 for being equipped with opening in engine housing 1 is connected between mounting hole 41 and the first cam shaft mounting hole 5；Institute
Crankshaft is stated equipped with oilhole 6, one end of the oilhole 6 is connected to 41 inner wall of the first crankshaft installed hole, the song of the other end and crankshaft
Handle position connection, so that pressure oil is arranged installation site lubrication to connecting rod.
On the hole wall of the first cam shaft mounting hole 51, it is additionally provided with the 5th oilhole 35 and the 6th oilhole 36, described
The oblique left side of five oilhole 35 is connected with the second jet 72, and second jet 72 is located in the first cylinder head 81, and described first
Cylinder head 81 is connected to by the first oil return hole 811 with shoe cream room 11, forms third oil circuit, the third oil circuit and the second oil circuit are common
Form the first oil return circuit.
The oblique right side of 6th oilhole 36 is connected with third jet 73, and the third jet 73 is located at the second cylinder head
In 82, second cylinder head 82 is connected to by the second oil return hole 821 with shoe cream room 11, forms the 4th oil circuit, the 4th oil circuit
The second oil return circuit is collectively formed with the second oil circuit.
The application method of the utility model is as follows:
As shown in Fig. 1 to Fig. 8, lubricating oil pump 12 provides pressure oil, and lubricating oil pump 12 is connected to relief valve 13, and relief valve 13 can prevent
Working connection oil pressure is excessively high, guidance of the pressure oil inputted through relief valve 13 through the first high-pressure oil pipe 21, into oil cooler 22,
Oil cooler 22 can effectively degrade the temperature of lubricating oil, then, guidance of the pressure oil through the second high-pressure oil pipe 23, into machine oil
Fine filter 24, filter thin oil 24 can fine impurities such as abrasive dust in filter pressure oil；Then, pressure oil is through 24 mistake of filter thin oil
After filter, respectively from the first flowline 25 and the second flowline 26 output (direction, as pressure oil shown in continuous small arrow in figure
Flow direction).
The pressure oil exported from the first flowline 25 is through the first oilhole 31, to the hole wall of 42 respective side of the second crankshaft installed hole
Lubrication, then be lubricated through hole wall of second oilhole 32 to the second cam shaft mounting hole 52, simultaneously with this, from the second flowline 26
The pressure oil of output lubricates the hole wall of 41 respective side of the first crankshaft installed hole through third oilhole 33, then through the 4th oilhole 34 to the
The hole wall of one cam shaft mounting hole 51 is lubricated；It is connected to and sets between first crankshaft installed hole 41 and the first cam shaft mounting hole 51
There is the first jet 71 being open in engine housing 1, pressure oil can also be sprayed by the first jet 71, be got rid of through crankshaft sputtering
Out, the rubbing surface of the rubbing surface of piston and piston pin, piston pin and connecting rod is lubricated；In addition, connecting rod is set in crankshaft
On crank, the output end and input terminal of crankshaft are separately mounted in the first crankshaft installed hole 41 and the second crankshaft installed hole 42, bent
Axis is equipped with oilhole 6, and one end of the oilhole is connected to 41 inner wall of the first crankshaft installed hole, and the crank position of the other end and crankshaft connects
Logical (as shown in Figure 8), so that the medial surface that pressure oil is arranged installation site to connecting rod through oilhole 6 lubricates.
When pressure oil is in the first cam shaft mounting hole 51, on the one hand, the first cylinder head can be flowed into along the 5th oilhole 35
It in 81, is sprayed by the second jet 72 in the first cylinder head 81, to valve, rocker arm, the tappet etc. in respective side cylinder head
Component is lubricated；On the other hand, it can be flowed into the second cylinder head 82 along the 6th oilhole 35, by the in the second cylinder head 82
Three jets 73 spray, and are lubricated to components such as valve, rocker arm, tappets in respective side cylinder head.
Finally, pressure oil in two cylinder heads flows back to the second oil return hole 821 through the first oil return hole 811 be connected to respectively
It in shoe cream room 11, recycles repeatedly, sufficient lubricating oil supply can be provided, ensure that the reliability of each rubbing surface lubrication；It follows
The dynamic pressure oil of circulation can effectively take away the heat of cylinder head, valve, piston and each rubbing surface after oil cooler is cooling,
The temperature for reducing each high-temperature component prevents cylinder head bolt torsion from decaying, promotes the endurance quality of engine.
The non-description section of the utility model is consistent with the prior art, and this will not be repeated here.
The above is only the embodiments of the present invention, and therefore it does not limit the scope of the patent of the utility model, all benefits
The equivalent structure made by the utility model specification and accompanying drawing content is directly or indirectly used in other relevant technology necks
Domain, similarly within the scope of patent protection of the utility model.
Claims (6)
1. a kind of full loop forced draught lubricating system, including engine housing (1), case lid (2) and crankshaft, it is characterised in that:
It is equipped with the first crankshaft installed hole (41) and the first cam shaft mounting hole (51) in the engine housing (1), in the case lid (2)
It is equipped with the second crankshaft installed hole (42) and the second cam shaft mounting hole (52), two crankshaft installed holes and camshaft installation
Hole is symmetrical arranged, and the first cylinder head (81) and the second cylinder head (82) are additionally provided on the engine housing (1)；The hair
Motivation cabinet (1) and case lid (2), which surround, is formed with a shoe cream room (11), case lid (2) side in the shoe cream room (11)
Equipped with lubricating oil pump (12), one end of the lubricating oil pump (12) is connected with relief valve (13), the relief valve (13) and is installed in case
Cover the first high-pressure oil pipe (21) one end connection on the outside of (2), the first high-pressure oil pipe (21) other end and oil cooler
(22) one end connection, the other end of the oil cooler (22) are connected to one end of the second high-pressure oil pipe (23), this second
The other end of high-pressure oil pipe (23) is connected to one end of filter thin oil (24), and the output end of the filter thin oil (24) is equipped with
First flowline (25) and the second flowline (26), two flowlines are respectively and on engine housing (1) and case lid (2)
Corresponding position connection；
First flowline (25) is successively connected to the first crankshaft installed hole (41), the first cam shaft mounting hole (51), in institute
Crankshaft is stated equipped with oilhole (6), one end of the oilhole (6) is connected to the first crankshaft installed hole (41), and the other end and connecting rod exist
Junction on crankshaft communicates；Second flowline (26) is successively installed with the second crankshaft installed hole (42), the second camshaft
Hole (52) connection, between first crankshaft installed hole (41) and the first cam shaft mounting hole (51), connection is equipped with opening and exists
The first jet (71) in engine housing (1), the first cam shaft mounting hole (51) also respectively with the first cylinder head
(81) it is connected to the second cylinder head (82), two cylinder heads are connected to shoe cream room (11).
2. a kind of full loop forced draught lubricating system according to claim 1, it is characterised in that: in the case lid (2)
The first oilhole (31) are equipped at the communicating position of interior the first flowline of correspondence (25), first oilhole (31) and the second crankshaft installed
The one end in hole (42) is connected to, and is equipped with the second oilhole (32) in the side in the crankshaft installed hole (4), second oilhole (32) with it is corresponding
Second cam shaft mounting hole (52) connection at end, forms the first oil circuit.
3. a kind of full loop forced draught lubricating system according to claim 1, it is characterised in that: in the engine case
In the side wall of body (1), be equipped with third oilhole (33) at the communicating position of corresponding second flowline (26), the third oilhole (33) with
The one end in the first crankshaft installed hole (41) is connected to, and is equipped with the 4th oilhole (34) in the side in the first crankshaft installed hole (41), should
4th oilhole (34) is connected to the first cam shaft mounting hole (51) of corresponding end, forms the second oil circuit.
4. a kind of full loop forced draught lubricating system according to claim 3, it is characterised in that: in the song of the crankshaft
Connecting rod is arranged at handle, which is equipped with oilhole (6), one end of the oilhole (6) and first crankshaft installed hole (41) inner wall
Connection, the other end are connected to the crank position of crankshaft, so that pressure oil is arranged installation site lubrication to connecting rod.
5. a kind of full loop forced draught lubricating system according to claim 2, it is characterised in that: in first cam
On the hole wall of shaft mounting hole (51), it is additionally provided with the 5th oilhole (35) and the 6th oilhole (36), the oblique left side of the 5th oilhole (35)
It is connected with the second jet (72), second jet (72) is located in the first cylinder head (81), first cylinder head
(81) it is connected to by the first oil return hole (811) with shoe cream room (11), forms third oil circuit, the third oil circuit and the second oil circuit are common
Form the first oil return circuit；The oblique right side of 6th oilhole (36) is connected with third jet (73), the third jet
(73) it being located in the second cylinder head (82), second cylinder head (82) is connected to by the second oil return hole (821) with shoe cream room (11),
The 4th oil circuit is formed, the second oil return circuit is collectively formed in the 4th oil circuit and the second oil circuit.
6. a kind of full loop forced draught lubricating system according to claim 1, it is characterised in that: in the shoe cream room
(11) coarse oil net (14) are additionally provided in.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822103662.8U CN209115166U (en) | 2018-12-14 | 2018-12-14 | A kind of full loop forced draught lubricating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822103662.8U CN209115166U (en) | 2018-12-14 | 2018-12-14 | A kind of full loop forced draught lubricating system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209115166U true CN209115166U (en) | 2019-07-16 |
Family
ID=67208100
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822103662.8U Active CN209115166U (en) | 2018-12-14 | 2018-12-14 | A kind of full loop forced draught lubricating system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209115166U (en) |
-
2018
- 2018-12-14 CN CN201822103662.8U patent/CN209115166U/en active Active
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