CN102733988A - Universal small petrol engine tank structure - Google Patents
Universal small petrol engine tank structure Download PDFInfo
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- CN102733988A CN102733988A CN2011100945017A CN201110094501A CN102733988A CN 102733988 A CN102733988 A CN 102733988A CN 2011100945017 A CN2011100945017 A CN 2011100945017A CN 201110094501 A CN201110094501 A CN 201110094501A CN 102733988 A CN102733988 A CN 102733988A
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- lower box
- mould assembling
- upper box
- bearing pin
- resuscitation apparatus
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Abstract
A universal small petrol engine tank structure relates to the field of integrated structures of an upper tank body and a lower tank body. The upper tank body (1) consists of a cylinder head (28), a cylinder body (26) and a crank case (25); the upper tank body (1) and the lower tank body (11) are combined as a whole by an upper tank body closing bonding surface (12) and a lower tank body closing bonding surface (31); a breather connecting pipe (8) is connected to an oil gas introduction port (17) and an oil gas extraction port (21); a breather gas outlet pipe (9) is connected with a breather gas outlet (16); the cylinder head (28) consists of an oil gas introduction port (21), a valve rocker arm pin shaft installing seat (45) and a cylinder head bonding surface (48); an upper tank body cam pin shaft installing hole (24) and a bridge pin shaft installing hole (23) are formed in the cylinder body (26); a breather (44) is arranged on the crank case (25); and a bridge pin shaft anti-shifting boss (36) is arranged on the lower tank body (11). The universal small petrol engine tank structure has the advantages that the cylinder head, the cylinder body and the crank case form the upper tank body.
Description
Technical field
general small-size gasoline engine housing structure of the present invention relates to the integral structure field that is made up of upper box, lower box, resuscitation apparatus connecting tube and resuscitation apparatus steam outlet pipe.
Background technique
general general gasoline engines housing structure is made up of upper box and lower box, resuscitation apparatus connecting tube, resuscitation apparatus steam outlet pipe that cylinder head, cylinder body, crankcase are formed usually; Need a few part parts of forming upper box organically be connected into single piece through bolt during the upper box assembling; Simultaneously; In order to guarantee the sealability of each parts of upper box, also need install special-purpose pad between the face additional and seal mutually combining of each parts; For the general small-size gasoline engine that uses the single cam structure of underlying, for the erection bridge bearing pin, often on upper and lower casing, distinguish processing mounting holes, processing cost is just high like this, therefore, should design a kind of novel general small-size gasoline engine housing structure.
Summary of the invention
the purpose of this invention is to provide a kind of general small-size gasoline engine housing structure; Upper box and lower box, resuscitation apparatus connecting tube, resuscitation apparatus steam outlet pipe that it forms one by cylinder head, cylinder body, crankcase are formed overall structure, to reach the purpose of gasket seal that saves between each parts of upper box and the mounting hole ability time processing moulding that can make the crane span structure bearing pin on upper and lower casing.
general small-size gasoline engine housing structure; It is made up of upper box, lower box, resuscitation apparatus connecting tube and resuscitation apparatus steam outlet pipe; Upper box constitutes integral piece by cylinder head, cylinder body and crankcase, and upper box and lower box are combined into one upper box mould assembling junction plane and lower box mould assembling junction plane through casing mould assembling locating stud and last lower box mould assembling bolt; Resuscitation apparatus connecting tube two ends are connected to the oil gas introducing interface and the oil gas of upper box and draw on the interface; Resuscitation apparatus steam outlet pipe one end is connected on the resuscitation apparatus air outlet of resuscitation apparatus of upper box, and end is connected on the sky filter in addition; Having on the cylinder head: oil gas is drawn on interface, valve rocker bearing pin fitting seat, cylinder head cover junction plane, spark plug mounting hole, the inlet flange and is had suction port and exhaust position; Having on the cylinder body: upper box cam bearing pin mounting hole, the crane span structure bearing pin mounting hole, upper box radiating fin and the valve actuating push rod passage that on crane span structure bearing pin fitting seat, have; On crankcase, have: upper box mould assembling positioning pin hole, resuscitation apparatus air outlet, oil gas are introduced interface, upper box spindle hole and resuscitation apparatus; On lower box, have: lower box mould assembling junction plane, lower box mould assembling bolt hole, lower box mould assembling positioning pin hole, lower box spindle hole, lower box cam bearing pin mounting hole, anti-boss, the supporting installation lug of petrol engine, cabinet base and the supporting mounting hole of petrol engine thrown of crane span structure bearing pin.
General small-size gasoline engine housing structure of the present invention further specifies as follows:
are drawn on the oil gas introducing interface that is designed on the resuscitation apparatus of interface and crankcase at the oil gas that is designed on the cylinder head and are connected with resuscitation apparatus connecting tube two ends respectively; In the valve rocker bearing pin mounting hole that on the valve rocker bearing pin fitting seat of cylinder head upper end, has the valve rocker bearing pin is installed, for installing valve rocker; On the cylinder head cover junction plane of cylinder head, be processed with confession and install the tapped hole that cylinder head cover installs bolt, cylinder head cover installs bolt cylinder head cover sealing gasket and cylinder head cover is installed on the cylinder head cover junction plane of cylinder head; On cylinder head, have the spark plug mounting hole that spark plug is installed, spark plug mounting hole is communicated with cylinder body; The suction port that on the inlet flange of cylinder head, has is communicated with the Carburetor of petrol engine through connecting tube.
The upper box cam bearing pin mounting hole that
have on cylinder body supplies to install the cam bearing pin and uses; On the crane span structure bearing pin fitting seat of cylinder body, have crane span structure bearing pin mounting hole, the crane span structure bearing pin that installs crane span structure for installation is used; The upper box radiating fin that the alternate confession cylinder body heat transmission of some evaginations is arranged on cylinder body; In cylinder body, have and supply to install the valve actuating push rod passage of valve actuating push rod with trapezoid shaped.
respectively are coated with a casing mould assembling locating stud in the upper box mould assembling positioning pin hole that the both sides, upper box mould assembling junction plane middle part of crankcase respectively have and in the lower box mould assembling positioning pin hole that both sides respectively have in the middle part of the lower box mould assembling junction plane of lower box, be combined into one with making upper box mould assembling junction plane and lower box mould assembling junction plane location; Be coated with lower box mould assembling bolt in some casing mould assembling tapped holes that on upper box mould assembling junction plane, have and in some lower box mould assembling bolts hole that have on the lower body mould assembling junction plane; Upper box mould assembling junction plane and lower box mould assembling junction plane are combined, and the resuscitation apparatus air outlet on the resuscitation apparatus that designs on the crankcase is connected with resuscitation apparatus steam outlet pipe one end; On the resuscitation apparatus of crankcase, also have oil gas to draw interface, be connected with resuscitation apparatus connecting tube one end; On crankcase, also have the upper box spindle hole that installs bent axle, bent axle is installed in the lower box spindle hole of lower box simultaneously, and upper box spindle hole and lower box spindle hole are on the same spindle hole axis.Resuscitation apparatus is positioned at upper box spindle hole next door, between resuscitation apparatus cavity and upper box spindle hole, is processed with an intercommunicating pore.
are designed with on the lower box mould assembling junction plane of lower box that the crane span structure bearing pin is anti-throws boss, throw up and down to prevent the crane span structure bearing pin; On lower box, also have lower box cam bearing pin mounting hole, cam bearing pin one end is installed in the lower box cam bearing pin mounting hole, and end is installed in the upper box cam bearing pin mounting hole of cylinder body in addition; The cabinet base of lower box can fall to being sitting on the outfitting tool, on the supporting installation lug of some petrol engine that are designed with on the lower box, respectively is processed with the supporting mounting hole of petrol engine, and the bolt and the outside parts that pass through to be installed match; Lower box mould assembling junction plane is designed to tiltedly to cut open mode with upper box mould assembling junction plane and combines.
general small-size gasoline engine housing structure advantage is to constitute the upper box single piece by cylinder head, cylinder body and crankcase three, some links in the middle of having saved; Because cylinder head is provided with oil gas and draws interface, be provided with oil gas at the resuscitation apparatus position of crankcase and introduce interface, after then can linking to each other, realize that oil gas is in the upper box outer circulation through the resuscitation apparatus connecting tube; On the crane span structure bearing pin fitting seat that is designed with on the upper box, have crane span structure bearing pin mounting hole, the crane span structure bearing pin can be installed in the crane span structure bearing pin mounting hole of a cutter moulding, has guaranteed the coaxality of crane span structure bearing pin mounting hole, and processing cost is low, and is easy for installation.
Description of drawings
Fig. 1: general small-size gasoline engine housing structure exploded perspective view.
Fig. 2: general small-size gasoline engine housing structure schematic three dimensional views.
Fig. 3: upper box 1 schematic three dimensional views.
Fig. 4: upper box 1 cross-sectional schematic.
Fig. 5: lower box 11 schematic three dimensional views.
Fig. 6: crane span structure 41 is installed schematic three dimensional views in upper box 1.
Fig. 7: crane span structure 41 is installed three-dimensional exploded perspective view in upper box 1.
Fig. 8: general small-size gasoline engine housing structure broken section schematic three dimensional views.
Embodiment
are referring to Fig. 1, Fig. 2, Fig. 3, Fig. 4 and Fig. 5; The general small-size gasoline engine housing structure; It is made up of upper box 1, lower box 11, resuscitation apparatus connecting tube 8 and resuscitation apparatus steam outlet pipe 9; Upper box 1 constitutes integral piece by cylinder head 28, cylinder body 26 and crankcase 25, and upper box 1 is combined into one upper box mould assembling junction plane 12 and lower box mould assembling junction plane 31 through casing mould assembling locating stud 10 and last lower box mould assembling bolt 47 with lower box 11; Resuscitation apparatus connecting tube 8 two ends are connected to the oil gas introducing interface 17 of upper box 1 and draw on the interface 21 with oil gas; Resuscitation apparatus steam outlet pipe 9 one ends are connected on the resuscitation apparatus air outlet 16 of resuscitation apparatus 44 of upper box 1, and end is connected on the sky filter in addition; Having on the cylinder head 28: oil gas is drawn on interface 21, valve rocker bearing pin fitting seat 45, cylinder head cover junction plane 48, spark plug mounting hole 30, the inlet flange 20 and is had suction port 19 and exhaust position; Having on the cylinder body 26: upper box cam bearing pin mounting hole 24, the crane span structure bearing pin mounting hole 23, upper box radiating fin 18 and the valve actuating push rod passage 27 that on crane span structure bearing pin fitting seat 22, have; On crankcase 25, have: upper box mould assembling positioning pin hole 15, resuscitation apparatus air outlet 16, oil gas are introduced interface 17, upper box spindle hole 13 and resuscitation apparatus 44; On lower box 11, have: lower box mould assembling junction plane 31, lower box mould assembling bolt hole 32, lower box mould assembling positioning pin hole 33, lower box spindle hole 34, lower box cam bearing pin mounting hole 35, crane span structure bearing pin be anti-throws the supporting installation lug of boss 36, petrol engine 37, cabinet base 38 and the supporting mounting hole 39 of petrol engine.
are as shown in Figure 1, and the oil gas on the cylinder head 28 is drawn oil gas on the resuscitation apparatus 44 of interface 21 and crankcase 25 and introduced interface 17 and be connected with resuscitation apparatus connecting tube 8 two ends respectively.
have valve rocker bearing pin mounting hole 29 like Fig. 1 and shown in Figure 4 on the valve rocker bearing pin fitting seat 45 of cylinder head 28 upper ends; On the cylinder head cover junction plane 48 of cylinder head 28, have to supply to install the tapped hole that cylinder head cover installs bolt 7, cylinder head cover installs bolt 7 cylinder head cover sealing gasket 5 and cylinder head cover 6 is installed on the cylinder head cover junction plane 48 of cylinder head 28; Spark plug mounting hole 30 on the cylinder head 28 is connected with cylinder body 26; The suction port 19 that on the inlet flange on the cylinder head 28 20, has is connected with the Carburetor of petrol engine through connecting tube.
Like Fig. 3, Fig. 4, Fig. 5, Fig. 6 and shown in Figure 7, the lower box cam bearing pin mounting hole 35 that on upper box cam bearing pin mounting hole that has on the cylinder body 26 24 and lower box 11, has supplies to install the cam bearing pin and uses
; The crane span structure bearing pin mounting hole that has on the crane span structure bearing pin fitting seat 22 of cylinder body 26 23 for the alternate each other same central axis that supplies to install crane span structure bearing pin 40 usefulness on two holes; The valve actuating push rod passage 27 that alternate upper box radiating fin of some evaginations 18 and trapezoid shaped are arranged on cylinder body 26.
like Fig. 1, Fig. 2, Fig. 3, Fig. 4 and shown in Figure 5, respectively is coated with casing mould assembling locating stud 10 in the lower box mould assembling positioning pin hole 33 that in the upper box mould assembling positioning pin hole 15 that the both sides, upper box mould assembling junction plane 12 middle part of crankcase 25 respectively have, respectively has with the both sides, lower box mould assembling junction plane 31 middle part of lower box 11; Be coated with lower box mould assembling bolt 47 in the casing mould assembling tapped hole 14 that on upper box mould assembling junction plane 12, has and in the lower box mould assembling bolt hole 32 that has on the lower box mould assembling junction plane 31.
are as depicted in figs. 1 and 2, and the resuscitation apparatus air outlet 16 on the resuscitation apparatus 44 of crankcase 25 is connected with resuscitation apparatus steam outlet pipe 9 one ends, and the oil gas on the resuscitation apparatus 44 is drawn interface 17 and is connected with resuscitation apparatus connecting tube 8 one ends.
are on the same spindle hole central axis in 34 liang of holes of lower box spindle hole of upper box spindle hole on the crankcase 25 13 and lower box 11 like Fig. 1, Fig. 6, Fig. 7 and shown in Figure 5; Resuscitation apparatus 44 is positioned at upper box spindle hole 13 next doors; Be processed with intercommunicating pore between resuscitation apparatus 44 cavitys and the upper box spindle hole 13.
have the anti-boss 36 of throwing of crane span structure bearing pin like Fig. 5 and shown in Figure 8 on the lower box mould assembling junction plane 31 of lower box 11; On the supporting installation lug 37 of the petrol engine on the lower box 11, be processed with the supporting mounting hole 39 of petrol engine; Both combine the lower box mould assembling junction plane 31 of lower box 11 and the upper box mould assembling junction plane of upper box 1 12 for tiltedly cuing open mode.
Claims (9)
1. general small-size gasoline engine housing structure; It is made up of upper box (1), lower box (11), resuscitation apparatus connecting tube (8) and resuscitation apparatus steam outlet pipe (9); It is characterized in that upper box (1) constitutes integral piece by cylinder head (28), cylinder body (26) and crankcase (25), upper box (1) and lower box (11) are combined into one upper box mould assembling junction plane (12) and lower box mould assembling junction plane (31) through casing mould assembling locating stud (10) and last lower box mould assembling bolt (47); Resuscitation apparatus connecting tube (8) two ends are connected to the oil gas introducing interface (17) and the oil gas of upper box (1) and draw on the interface (21); Resuscitation apparatus steam outlet pipe (9) one ends are connected on the resuscitation apparatus air outlet (16) of resuscitation apparatus (44) of upper box (1), and end is connected on the sky filter in addition; Having on the cylinder head (28): oil gas is drawn on interface (21), valve rocker bearing pin fitting seat (45), cylinder head cover junction plane (48), spark plug mounting hole (30), the inlet flange (20) and is had suction port (19) and exhaust position; Having on the cylinder body (26): upper box cam bearing pin mounting hole (24), the crane span structure bearing pin mounting hole (23) that on crane span structure bearing pin fitting seat (22), has, upper box radiating fin (18) and valve actuating push rod passage (27); On crankcase (25), have: upper box mould assembling positioning pin hole (15), resuscitation apparatus air outlet (16), oil gas are introduced interface (17), upper box spindle hole (13) and resuscitation apparatus (44); On lower box (11), have: lower box mould assembling junction plane (31), lower box mould assembling bolt hole (32), lower box mould assembling positioning pin hole (33), lower box spindle hole (34), lower box cam bearing pin mounting hole (35), anti-boss (36), the supporting installation lug of petrol engine (37), cabinet base (38) and the supporting mounting hole of petrol engine (39) thrown of crane span structure bearing pin.
2. general small-size gasoline engine housing structure according to claim 1 is characterized in that oil gas on the cylinder head (28) draws oil gas on the resuscitation apparatus (44) of interface (21) and crankcase (25) and introduce interface (17) and be connected with resuscitation apparatus connecting tube (8) two ends respectively.
3. general small-size gasoline engine housing structure according to claim 1 is characterized in that on the valve rocker bearing pin fitting seat (45) of cylinder head (28) upper end, having valve rocker bearing pin mounting hole (29); On the cylinder head cover junction plane (48) of cylinder head (28), be processed with and supply to install the tapped hole that cylinder head cover installs bolt (7); Spark plug mounting hole (30) on the cylinder head (28) is connected with cylinder body (26); The suction port (19) that on the inlet flange (20) on the cylinder head (28), has is connected with gasoline engine carburetor through connecting tube.
4. general small-size gasoline engine housing structure according to claim 1 is characterized in that the lower box cam bearing pin mounting hole (35) that on upper box cam bearing pin mounting hole (24) that has on the cylinder body (26) and lower box (11), has supplies to install the cam bearing pin and uses; Be two holes on the alternate each other same central axis that supplies to install crane span structure bearing pin (40) usefulness at the crane span structure bearing pin mounting hole (23) that has on the crane span structure bearing pin fitting seat (22) of cylinder body (26); The valve actuating push rod passage (27) that alternate upper box radiating fin (18) of some evaginations and trapezoid shaped are arranged on cylinder body (26).
5. general small-size gasoline engine housing structure according to claim 1 respectively is coated with casing mould assembling locating stud (10) in the lower box mould assembling positioning pin hole (33) that in the upper box mould assembling positioning pin hole (15) that it is characterized in that respectively having in the both sides, upper box mould assembling junction plane (12) middle part of crankcase (25) and the both sides, lower box mould assembling junction plane (31) middle part of lower box (11) respectively have; On upper box mould assembling junction plane (12), be coated with lower box mould assembling bolt (47) in the lower box mould assembling bolt hole (32) that combines to have on the case junction plane (31) with lower box in the casing mould assembling tapped hole (14) that has.
6. general small-size gasoline engine housing structure according to claim 1; It is characterized in that the resuscitation apparatus air outlet (16) on the resuscitation apparatus (44) of crankcase (25) is connected with resuscitation apparatus steam outlet pipe (9) one ends, the oil gas on the resuscitation apparatus (44) is introduced interface (17) and is connected with resuscitation apparatus connecting tube (8) one ends.
7. general small-size gasoline engine housing structure according to claim 1 is characterized in that upper box spindle hole (13) and lower box spindle hole (34) two holes of lower box (11) on the crankcase (25) are on the same spindle hole central axis; Resuscitation apparatus (44) is positioned at upper box spindle hole (13) next door, is processed with intercommunicating pore between resuscitation apparatus (44) cavity and the upper box spindle hole (13).
8. general small-size gasoline engine housing structure according to claim 1 is characterized in that on the lower box mould assembling junction plane (31) of lower box (11), having the anti-boss (36) of throwing of crane span structure bearing pin; The supporting mounting hole of petrol engine (39) is arranged on the supporting installation lug of the petrol engine on the lower box (11) (37).
9. general small-size gasoline engine housing structure according to claim 1, both combine the lower box mould assembling junction plane (31) that it is characterized in that lower box (11) and the upper box mould assembling junction plane (12) of upper box (1) for tiltedly cuing open mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100945017A CN102733988A (en) | 2011-04-15 | 2011-04-15 | Universal small petrol engine tank structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100945017A CN102733988A (en) | 2011-04-15 | 2011-04-15 | Universal small petrol engine tank structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102733988A true CN102733988A (en) | 2012-10-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011100945017A Pending CN102733988A (en) | 2011-04-15 | 2011-04-15 | Universal small petrol engine tank structure |
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| CN (1) | CN102733988A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105690034A (en) * | 2016-02-24 | 2016-06-22 | 湖南汉星机械制造有限公司 | Integral machining technique for left box part and right box part of small gasoline engine box body |
| CN106077571A (en) * | 2016-08-10 | 2016-11-09 | 重庆东科模具制造有限公司 | The cylinder head of a kind of gasoline engine and the die casting of casing |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000045747A (en) * | 1998-07-27 | 2000-02-15 | Honda Motor Co Ltd | Breather of engine |
| CN101629504A (en) * | 2009-08-05 | 2010-01-20 | 隆鑫工业有限公司 | Forcible cooling type breathing structure of general gasoline engine box body |
| CN101985892A (en) * | 2010-11-19 | 2011-03-16 | 隆鑫通用动力股份有限公司 | Gas-oil separation structure of engine |
| CN202012411U (en) * | 2011-04-15 | 2011-10-19 | 江苏林海动力机械集团公司 | Tank structure of general small gasoline engine |
-
2011
- 2011-04-15 CN CN2011100945017A patent/CN102733988A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000045747A (en) * | 1998-07-27 | 2000-02-15 | Honda Motor Co Ltd | Breather of engine |
| CN101629504A (en) * | 2009-08-05 | 2010-01-20 | 隆鑫工业有限公司 | Forcible cooling type breathing structure of general gasoline engine box body |
| CN101985892A (en) * | 2010-11-19 | 2011-03-16 | 隆鑫通用动力股份有限公司 | Gas-oil separation structure of engine |
| CN202012411U (en) * | 2011-04-15 | 2011-10-19 | 江苏林海动力机械集团公司 | Tank structure of general small gasoline engine |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105690034A (en) * | 2016-02-24 | 2016-06-22 | 湖南汉星机械制造有限公司 | Integral machining technique for left box part and right box part of small gasoline engine box body |
| CN106077571A (en) * | 2016-08-10 | 2016-11-09 | 重庆东科模具制造有限公司 | The cylinder head of a kind of gasoline engine and the die casting of casing |
| CN106077571B (en) * | 2016-08-10 | 2019-01-29 | 重庆东科模具制造有限公司 | A kind of cylinder head of gasoline engine and the die casting of cabinet |
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Application publication date: 20121017 |