CN102877975A - Ladder type separated engine body - Google Patents
Ladder type separated engine body Download PDFInfo
- Publication number
- CN102877975A CN102877975A CN2012103931839A CN201210393183A CN102877975A CN 102877975 A CN102877975 A CN 102877975A CN 2012103931839 A CN2012103931839 A CN 2012103931839A CN 201210393183 A CN201210393183 A CN 201210393183A CN 102877975 A CN102877975 A CN 102877975A
- Authority
- CN
- China
- Prior art keywords
- cylinder liner
- cylinder
- crankcase
- crankcase body
- liner
- 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.)
- Granted
Links
Images
Abstract
The invention relates to a ladder type separated engine body. The ladder type separated engine body comprises a crankcase and a cylinder liner, wherein the cylinder liner is arranged above the crankcase; the crankcase is provided with a ladder-shaped top end face; the cylinder liner is provided with a ladder-shaped bottom end face; and the top end face of the crankcase is matched with the bottom end face of the cylinder liner. The ladder type separated engine body is convenient in mould manufacturing, so that the mould cost can be reduced, and the yield of blank production of the engine body is improved; the ladder type separated engine body facilitates the replacement of the cylinder liner by a user when the cylinder liner is abraded, so that the maintenance and using costs of the engine are reduced; and the ladder type separated engine body can ensure the sealability of a fraying surface of a push rod chamber of the cylinder liner and a tappet chamber of the crankcase, and can also meet the size requirement of a mounting surface of a cylinder cover from the center of a crankshaft to the top of the cylinder liner. Meanwhile, a compression bolt is needed to be arranged near the fraying surface of the push rod chamber of the cylinder liner and the tappet chamber of the crankcase, so that the manufacturing cost can be reduced.
Description
Technical field
The present invention relates to a kind of engine body, especially a kind of cascade divergence type engine body the invention belongs to the engine apparatus technical field.
Background technique
In recent years, along with the development of automotive industry and engine technology, China's Engine Industry not only makes great progress aspect energy-saving and emission-reduction, and has also done many positive explorations aspect light.It is the development trend of new work engine in recent years that engine body adopts aluminum alloy material.
In existing aluminum alloy light duty engine, the monolithic construction that mostly adopts crankcase and cylinder liner to unite two into one.Adopt this structure not only to have Mold Making cumbersome, die cost is higher, the low shortcoming of blank yield rate in the production process, in case and also have cylinder liner wearing and tearing to occur, need to change whole body, have the higher shortcoming of the user cost safeguarded.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art, provide that a kind of Mold Making is more convenient, die cost is lower, blank manufactures a finished product rate be higher, be convenient to the user more resleeve, reduce and safeguard that user cost maintains again the preferably cascade divergence type engine body of sealing reliability simultaneously.
According to technological scheme provided by the invention, described cascade divergence type engine body, it comprises crankcase body and cylinder liner, above crankcase body, be provided with cylinder liner, crankcase body has the top end that is ladder-type, cylinder liner has the bottom end that is ladder-type, and the top end of crankcase body cooperates with the bottom end of cylinder liner;
Offer tappet chamber and cylinder liner mounting hole at crankcase body, junction plane at tappet chamber and crankcase body is provided with the seal ring mounting groove, and the top end of the crankcase body around the cylinder liner mounting hole offers cylinder head bolt mounting hole and crankcase body positioning pin hole;
Offer cylinder and push rod chamber in cylinder liner, cylinder liner bottom end around cylinder offers cylinder head bolt hole and cylinder liner positioning pin hole, be provided with radiating fin on the cylinder liner outer wall and between cylinder and the push rod chamber, cylinder liner upper cylinder bonnet bolt hole cooperates with crankcase upper cylinder bonnet bolt mounting hole, the cylinder liner push rod chamber cooperates with crankcase tappet chamber, and the cylinder liner positioning pin hole cooperates with the crankcase body positioning pin hole;
In the seal ring mounting groove, seal ring is installed, between the bottom end of the top end of crankcase body and cylinder liner, be provided with pad, insert in the locating stud of in cylinder liner positioning pin hole and crankcase body positioning pin hole, packing into, cylinder head bolt hole and cylinder head bolt mounting hole to load onto behind the cylinder head bolt and tighten cylinder head nut after head gasket and the cylinder head crankcase body and cylinder liner are fixed as one.
The top end of described cylinder liner mounting hole is lower than the top end of tappet chamber.
The bottom end of described cylinder is lower than the bottom end of push rod chamber.
The present invention has following advantage:
1, adopts cylinder liner and crankcase separation-type structure, be convenient to Mold Making, can reduce die cost; In the blank production process, can avoid because of the damaged situation that causes whole engine body to scrap of cylinder liner radiating fin simultaneously, therefore improve the yield rate that the body blank is produced;
2, adopt cylinder liner and crankcase separation-type structure, can make things convenient for the user when wearing and tearing appears in cylinder liner, in time resleeve does not more need whole body is all changed, and has reduced the user cost of safeguarding of motor;
3, adopt cylinder liner and crankcase cascade separation-type structure, wherein the junction plane of cylinder liner push rod chamber and crankcase tappet chamber adopts seal with elastometic washer, and cylinder bottom and crankcase junction plane adopt the copper backing sealing.Cylinder liner and crankcase junction plane adopt the formula sealing configuration of coupling hardness with softness, and both can guarantee the sealability of cylinder liner push rod chamber and crankcase tappet chamber junction plane, can guarantee that again crankshaft center is to the size requirement of the cylinder head attachment face at cylinder liner top.Do not need to set up in addition hold-down bolt near cylinder liner push rod chamber and the crankcase tappet chamber junction plane simultaneously, can save manufacture cost.
Description of drawings
Fig. 1 is structural representation of the present invention.
Fig. 2 is the structural representation of the crankcase body among the present invention.
Fig. 3 is the structural representation of the cylinder liner among the present invention.
Fig. 4 is assembling schematic diagram of the present invention.
Embodiment
The invention will be further described below in conjunction with specific embodiment.
As shown in the figure, this cascade divergence type engine body, it comprises crankcase body 1 and cylinder liner 2, above crankcase body 1, be provided with cylinder liner 2, crankcase body 1 has the top end that is ladder-type, cylinder liner 2 has the bottom end that is ladder-type, and the top end of crankcase body 1 cooperates with the bottom end of cylinder liner 2;
Offer tappet chamber 1-3 and cylinder liner mounting hole 1-4 at crankcase body 1, the top end that is provided with the crankcase body 1 of seal ring mounting groove 1-1 around cylinder liner mounting hole 1-4 at the junction plane of tappet chamber 1-3 and crankcase body 1 offers cylinder head bolt mounting hole 1-2 and crankcase body positioning pin hole 1-5;
Offer cylinder 2-3 and push rod chamber 2-4 in cylinder liner 2, cylinder liner 2 bottom ends around cylinder 2-3 offer cylinder head bolt hole 2-2 and cylinder liner positioning pin hole 2-5, be provided with radiating fin 2-1 on cylinder liner 2 outer walls and between cylinder 2-3 and the push rod chamber 2-4, cylinder liner upper cylinder bonnet bolt hole 2-2 crankcase upper cylinder bonnet bolt mounting hole 1-2 cooperates, cylinder liner push rod chamber 2-4 cooperates with crankcase tappet chamber 1-3, and cylinder liner positioning pin hole 2-5 cooperates with crankcase body positioning pin hole 1-5;
In seal ring mounting groove 1-1, seal ring 3 is installed, between the bottom end of the top end of crankcase body 1 and cylinder liner 2, be provided with copper backing 5, insert in the locating stud 7 of in cylinder liner positioning pin hole 2-5 and crankcase body positioning pin hole 1-5, packing into, cylinder head bolt hole 2-2 and cylinder head bolt mounting hole 1-2 to load onto behind the cylinder head bolt 6 and tighten cylinder head nut after head gasket and the cylinder head crankcase body 1 and cylinder liner 2 are fixed as one.
As shown in Figure 1: cascade divergence type engine body of the present invention, it comprises crankcase body 1, cylinder liner 2, seal ring 3, locating stud 7 and pad 5 five parts.Cylinder liner 2 is stepped with crankcase body 1 junction plane, and cylinder liner 2 is positioned at the top of crankcase body 1.
As shown in Figure 2: crankcase 1 is provided with cylinder liner mounting hole 1-4 in vertical cylinder junction plane direction, and on junction plane, four cylinder head bolt mounting hole 1-2 have been evenly arranged along the cylinder-bore periphery, on junction plane, be provided with tappet chamber 1-3 apart from cylinder head bolt mounting hole 1-2 center certain distance, this tappet chamber 1-3 junction plane is higher than the cylinder junction plane, with cylinder liner push rod chamber 2-4 bottom to corresponding.Tappet chamber 1-3 junction plane is provided with rubber seal mounting groove 1-1.The junction plane of cylinder liner push rod chamber 2-4 and crankcase tappet chamber 1-3 adopts rubber seal 3 sealings like this, can prevent that push rod chamber 2-4 and tappet chamber 1-3 inner engine oil are to external leakage; Cylinder liner 2 bottoms and crankcase body 1 junction plane adopt copper backing 5 sealings, are convenient to guarantee that crankshaft center is to the size requirement of the cylinder head attachment face at cylinder liner top.
As shown in Figure 3: be provided with the radiating fin 2-1 for heat radiation around the cylinder liner 2, be provided with push rod chamber 2-4 at the position with a certain distance from cylinder 2-3 center, utilize radiating fin 2-1 to be connected between push rod chamber 2-4 and the cylinder-bore, cylinder liner radiating fin 2-1 is upper to be provided with four cylinder head bolt hole 2-2 centered by cylinder 2-3.Cylinder liner 2 is stepped with the junction plane of crankcase 1, and the junction plane of cylinder liner push rod chamber 2-4 and crankcase tappet chamber 1-3 is higher than the junction plane of cylinder liner 2 and crankcase body 1.
As shown in Figure 4: when motor is installed, first rubber seal 3 is placed in the seal ring mounting groove 1-1 of crankcase body 1, copper backing 5 is placed on the junction plane of crankcase body 1 and cylinder liner 2 bottoms, guarantee that by locating stud 7 position is accurate, then be screwed into cylinder head bolt 6, again cylinder liner 2 be inserted in the cylinder liner mounting hole 1-4 of crankcase 1 along cylinder head bolt 6.As long as the user tightens cylinder head nut after being loaded on head gasket and cylinder head, just cascade cylinder liner 2 can be pressed on the top of crankcase body 1.So both can guarantee the sealability of the tappet chamber 1-3 junction plane of the push rod chamber 2-4 of cylinder liner 2 and crankcase body 1, and can guarantee that again crankshaft center was to the size requirement of the cylinder head attachment face on cylinder liner top.
Claims (3)
1. cascade divergence type engine body, it is characterized in that: it comprises crankcase body (1) and cylinder liner (2), be provided with cylinder liner (2) in the top of crankcase body (1), crankcase body (1) has the top end that is ladder-type, cylinder liner (2) has the bottom end that is ladder-type, and the top end of crankcase body (1) cooperates with the bottom end of cylinder liner (2);
Offer tappet chamber (1-3) and cylinder liner mounting hole (1-4) at crankcase body (1), be provided with seal ring mounting groove (1-1) at the junction plane of tappet chamber (1-3) and crankcase body (1) and offer cylinder head bolt mounting hole (1-2) and crankcase body positioning pin hole (1-5) at the top end of cylinder liner mounting hole (1-4) crankcase body (1) on every side;
Offer cylinder (2-3) and push rod chamber (2-4) in cylinder liner (2), offer cylinder head bolt hole (2-2) and cylinder liner positioning pin hole (2-5) at cylinder (2-3) cylinder liner (2) bottom end on every side, be provided with radiating fin (2-1) on cylinder liner (2) outer wall and between cylinder (2-3) and the push rod chamber (2-4), cylinder liner upper cylinder bonnet bolt hole (2-2) cooperates with crankcase upper cylinder bonnet bolt mounting hole (1-2), cylinder liner push rod chamber (2-4) cooperates with crankcase tappet chamber (1-3), and cylinder liner positioning pin hole (2-5) cooperates with crankcase body positioning pin hole (1-5);
Seal ring (3) is installed in seal ring mounting groove (1-1), between the bottom end of the top end of crankcase body (1) and cylinder liner (2), be provided with copper backing (5), insert in the locating stud (7) of in cylinder liner positioning pin hole (2-5) and crankcase body positioning pin hole (1-5), packing into, cylinder head bolt hole (2-2) and cylinder head bolt mounting hole (1-2) to load onto behind the cylinder head bolt (6) and tighten cylinder head nut after head gasket and the cylinder head crankcase body (1) and cylinder liner (2) are fixed as one.
2. cascade divergence type engine body according to claim 1, it is characterized in that: the top end of described cylinder liner mounting hole (1-4) is lower than the top end of tappet chamber (1-3).
3. cascade divergence type engine body according to claim 1, it is characterized in that: the bottom end of described cylinder (2-3) is lower than the bottom end of push rod chamber (2-4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210393183.9A CN102877975B (en) | 2012-10-16 | 2012-10-16 | Ladder type separated engine body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210393183.9A CN102877975B (en) | 2012-10-16 | 2012-10-16 | Ladder type separated engine body |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102877975A true CN102877975A (en) | 2013-01-16 |
| CN102877975B CN102877975B (en) | 2014-10-29 |
Family
ID=47479444
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210393183.9A Active CN102877975B (en) | 2012-10-16 | 2012-10-16 | Ladder type separated engine body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102877975B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109611235A (en) * | 2019-01-17 | 2019-04-12 | 上海汽车集团股份有限公司 | Engine rear end sealing device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09151783A (en) * | 1995-11-29 | 1997-06-10 | Yamaha Motor Co Ltd | Multicylinder engine |
| CA2159282C (en) * | 1994-09-28 | 2000-01-18 | Masaki Tsunoda | Cylinder block structure of vertical type multi-cylinder engine |
| JP2005291052A (en) * | 2004-03-31 | 2005-10-20 | Honda Motor Co Ltd | Lubrication structure for internal combustion engine |
| CN102562353A (en) * | 2012-03-08 | 2012-07-11 | 重庆三华工业有限公司 | Integrated aluminum alloy tank |
| CN202867013U (en) * | 2012-10-16 | 2013-04-10 | 无锡华源凯马发动机有限公司 | Step-type separated engine body |
-
2012
- 2012-10-16 CN CN201210393183.9A patent/CN102877975B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2159282C (en) * | 1994-09-28 | 2000-01-18 | Masaki Tsunoda | Cylinder block structure of vertical type multi-cylinder engine |
| JPH09151783A (en) * | 1995-11-29 | 1997-06-10 | Yamaha Motor Co Ltd | Multicylinder engine |
| JP2005291052A (en) * | 2004-03-31 | 2005-10-20 | Honda Motor Co Ltd | Lubrication structure for internal combustion engine |
| CN102562353A (en) * | 2012-03-08 | 2012-07-11 | 重庆三华工业有限公司 | Integrated aluminum alloy tank |
| CN202867013U (en) * | 2012-10-16 | 2013-04-10 | 无锡华源凯马发动机有限公司 | Step-type separated engine body |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109611235A (en) * | 2019-01-17 | 2019-04-12 | 上海汽车集团股份有限公司 | Engine rear end sealing device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102877975B (en) | 2014-10-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR20140123600A (en) | Engine piston | |
| CN204953625U (en) | External pressure forming device that " W " shape metal was obturaged and is encircled | |
| CN102877975B (en) | Ladder type separated engine body | |
| CN106270094B (en) | A kind of " M " shape metal obturages the single pass integral forming device of ring | |
| CN202867013U (en) | Step-type separated engine body | |
| CN203742826U (en) | Automobile engine timing cavity structure | |
| CN202162270U (en) | Quick change mechanism of cylinder gasket progressive die for engine | |
| CN201966735U (en) | Vibration motor with built-in end cover | |
| CN201953502U (en) | Split type cylinder cover hood | |
| CN203547951U (en) | Novel air cylinder head cover structure | |
| CN207814091U (en) | A kind of hydraulic cylinder universal coupling device | |
| CN202065087U (en) | Engine cylinder head gasket | |
| CN102049832B (en) | Method for manufacturing cylinder cover | |
| CN204785182U (en) | Terminal surface formula area recess rubber sealing device | |
| CN201799473U (en) | Electrode die with functions of bias load resistance and double pressing operations in one die | |
| CN110202064A (en) | A kind of mould structure improving molding rate and the protection of mold double-sheet | |
| CN203737945U (en) | Pressing die for crossbeam-type salt core | |
| CN207776982U (en) | A kind of pump attachment structure of water of water-cooled engine | |
| CN208566588U (en) | A kind of sealing structure and its lamps and lanterns for lighting apparatus | |
| CN204041692U (en) | A kind of engine cylinder bonnet bolt | |
| CN201428523Y (en) | Engine timing gear chamber cover assembly | |
| CN209325673U (en) | A kind of high temperature resistant radiator fan | |
| CN209614154U (en) | A kind of Braking System for Multiple Units piston type product raising process efficiency tooling | |
| CN203271902U (en) | Evaporative water tank for internal combustion engine | |
| CN203939589U (en) | Full rubber convex wheel shaft cover cap seal ring for a kind of motor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Stepped separated engine block Effective date of registration: 20211126 Granted publication date: 20141029 Pledgee: Wuxi rural commercial bank Limited by Share Ltd. Pledgor: WUXI WORLDBEST KAMA POWER Co.,Ltd. Registration number: Y2021320010506 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |