CN202012411U - Tank structure of general small gasoline engine - Google Patents
Tank structure of general small gasoline engine Download PDFInfo
- Publication number
- CN202012411U CN202012411U CN2011201108180U CN201120110818U CN202012411U CN 202012411 U CN202012411 U CN 202012411U CN 2011201108180 U CN2011201108180 U CN 2011201108180U CN 201120110818 U CN201120110818 U CN 201120110818U CN 202012411 U CN202012411 U CN 202012411U
- Authority
- CN
- China
- Prior art keywords
- lower box
- mould assembling
- upper box
- bearing pin
- resuscitation apparatus
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 238000009434 installation Methods 0.000 claims description 8
- 239000011148 porous material Substances 0.000 claims description 3
- 238000000465 moulding Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 208000002925 Dental Caries Diseases 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Abstract
A tank structure of a general small gasoline engine relates to the field of an integrated structure 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 jointed as a whole through an upper tank body jointing surface (12) and the lower tank body jointing surface (31); a respirator connecting pipe (8) is connected to an oil gas inhaling interface (17) and an oil gas exhaling interface (21); a respirator gas outlet pipe (9) is connected to a respirator gas outlet (16); the oil gas exhaling interface (21), a valve swing arm pin shaft installing base (45) and a cylinder head cover jointing surface (48) are arranged on the cylinder head (28); an upper tank body cam pin shaft installing hole (24) and a bridge pin shaft installing hole (23) are arranged on the cylinder body (26); a respirator (44) is arranged on the crank case (25); and a bridge pin shaft anti-creeping lug boss (36) is arranged on the lower tank body (11). The tank structure of the general small gasoline engine has the advantage that the upper tank body component consists of the cylinder head, the cylinder body and the crank case.
Description
Technical field
The utility model general small-size gasoline engine housing structure relates to the integral structure field that is made 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, a few part parts of forming upper box organically need be connected into single piece by 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 utility model provides 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 energy time processing moulding that can make the crane span structure bearing pin on upper and lower casing.
The general small-size gasoline engine housing structure, it is made 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 by 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; Have on crankcase: 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.
The utility model general small-size gasoline engine housing structure further specifies as follows:
Drawing oil gas designed on the resuscitation apparatus of interface and crankcase at oil gas designed on the cylinder head introduces on the interface and is 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; Be processed with on the cylinder head cover junction plane of cylinder head for installing 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; Have the spark plug mounting hole that spark plug is installed on cylinder head, spark plug mounting hole is communicated with cylinder body; The suction port that has on the inlet flange of cylinder head is communicated with the Carburetor of petrol engine by connecting tube.
The upper box cam bearing pin mounting hole that has on cylinder body is used for installing the cam bearing pin; Have crane span structure bearing pin mounting hole on the crane span structure bearing pin fitting seat of cylinder body, the crane span structure bearing pin that installs crane span structure for installation is used; The alternate upper box radiating fin for the cylinder body heat transmission of some evaginations is arranged on cylinder body; In cylinder body, have for the valve actuating push rod passage of valve actuating push rod with trapezoid shaped is installed.
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, respectively be coated with a casing mould assembling locating stud, 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; Also have the upper box spindle hole that installs bent axle on crankcase, 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, is processed with an intercommunicating pore between resuscitation apparatus cavity and upper box spindle hole.
Design has the crane span structure bearing pin to prevent throwing boss on the lower box mould assembling junction plane of lower box, throws up and down to prevent the crane span structure bearing pin; Also have lower box cam bearing pin mounting hole on lower box, 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, respectively is processed with the supporting mounting hole of petrol engine on the supporting installation lug of some petrol engine that design on the lower box has, and the bolt that passes through to be installed matches with outside parts; 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 by the resuscitation apparatus connecting tube; Have crane span structure bearing pin mounting hole on the crane span structure bearing pin fitting seat that design on the upper box has, 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
Referring to Fig. 1, Fig. 2, Fig. 3, Fig. 4 and Fig. 5, the general small-size gasoline engine housing structure, it is made 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 and lower box 11 are combined into one upper box mould assembling junction plane 12 and lower box mould assembling junction plane 31 by 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, upper box radiating fin 18 and the valve actuating push rod passage 27 that on crane span structure bearing pin fitting seat 22, have; Have on crankcase 25: 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 37 of petrol engine, cabinet base 38 and the supporting mounting hole 39 of petrol engine thrown of crane span structure bearing pin.
As shown in Figure 1, the oil gas on the cylinder head 28 is drawn oil gas on the resuscitation apparatus 44 of interface 21 and crankcase 25 and is introduced interface 17 and be connected with resuscitation apparatus connecting tube 8 two ends respectively.
As shown in Figure 1 and Figure 4, on the valve rocker bearing pin fitting seat 45 of cylinder head 28 upper ends, have valve rocker bearing pin mounting hole 29; Have on the cylinder head cover junction plane 48 of cylinder head 28 for installing 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 has on the inlet flange on the cylinder head 28 20 is connected with the Carburetor of petrol engine by connecting tube.
As Fig. 3, Fig. 4, Fig. 5, Fig. 6 and shown in Figure 7, the lower box cam bearing pin mounting hole 35 that has on upper box cam bearing pin mounting hole 24 that has on the cylinder body 26 and lower box 11 is used for installing the cam bearing pin; Be two holes on for the alternate each other same central axis that installs crane span structure bearing pin 40 usefulness at 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; 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.
As Fig. 1, Fig. 2, Fig. 3, Fig. 4 and shown in Figure 5, 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 and in the lower box mould assembling positioning pin hole 33 that respectively has of the both sides, lower box mould assembling junction plane 31 middle part of lower box 11, respectively be coated with casing mould assembling locating stud 10; 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.
As depicted in figs. 1 and 2, 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.
As Fig. 1, Fig. 6, Fig. 7 and shown in Figure 5, be on the same spindle hole central axis in 34 liang of holes of lower box spindle hole of upper box spindle hole 13 on the crankcase 25 and lower box 11; 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.
As shown in Figure 5 and Figure 8, the anti-boss 36 of throwing of crane span structure bearing pin is arranged 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 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) by 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); Have on crankcase (25): 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 having valve rocker bearing pin mounting hole (29) on the valve rocker bearing pin fitting seat (45) of cylinder head (28) upper end; On the cylinder head cover junction plane (48) of cylinder head (28), be processed with for installing 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 has on the inlet flange (20) on the cylinder head (28) is connected with gasoline engine carburetor by connecting tube.
4. general small-size gasoline engine housing structure according to claim 1, the lower box cam bearing pin mounting hole (35) that it is characterized in that having on upper box cam bearing pin mounting hole (24) that has on the cylinder body (26) and lower box (11) is for installing cam bearing pin 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) is for two holes on the alternate each other same central axis that installs crane span structure bearing pin (40) usefulness; 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), in the casing mould assembling tapped hole (14) that has and lower box in conjunction with being coated with lower box mould assembling bolt (47) in the lower box mould assembling bolt hole (32) that has on the case junction plane (31).
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 the upper box spindle hole (13) on the crankcase (25) and lower box spindle hole (34) two holes of lower box (11) 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 having the anti-boss (36) of throwing of crane span structure bearing pin on the lower box mould assembling junction plane (31) of lower box (11); 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 |
|---|---|---|---|
| CN2011201108180U CN202012411U (en) | 2011-04-15 | 2011-04-15 | Tank structure of general small gasoline engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201108180U CN202012411U (en) | 2011-04-15 | 2011-04-15 | Tank structure of general small gasoline engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202012411U true CN202012411U (en) | 2011-10-19 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201108180U Expired - Fee Related CN202012411U (en) | 2011-04-15 | 2011-04-15 | Tank structure of general small gasoline engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202012411U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102733988A (en) * | 2011-04-15 | 2012-10-17 | 江苏林海动力机械集团公司 | Universal small petrol engine tank structure |
-
2011
- 2011-04-15 CN CN2011201108180U patent/CN202012411U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102733988A (en) * | 2011-04-15 | 2012-10-17 | 江苏林海动力机械集团公司 | Universal small petrol engine tank structure |
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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: 20111019 Termination date: 20200415 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |