CN209743049U - internal combustion engine cylinder structure convenient to maintain - Google Patents
internal combustion engine cylinder structure convenient to maintain Download PDFInfo
- Publication number
- CN209743049U CN209743049U CN201920446651.1U CN201920446651U CN209743049U CN 209743049 U CN209743049 U CN 209743049U CN 201920446651 U CN201920446651 U CN 201920446651U CN 209743049 U CN209743049 U CN 209743049U
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- cylinder body
- cylinder
- cylinder head
- combustion engine
- room
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- 238000002485 combustion reaction Methods 0.000 title claims abstract description 25
- 238000012423 maintenance Methods 0.000 claims abstract description 4
- 230000001360 synchronised effect Effects 0.000 claims description 25
- 238000007789 sealing Methods 0.000 claims description 10
- 238000009434 installation Methods 0.000 claims description 4
- 230000007847 structural defect Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 6
- 230000007246 mechanism Effects 0.000 description 5
- 239000007789 gas Substances 0.000 description 4
- 239000000446 fuel Substances 0.000 description 2
- 239000003595 mist Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
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- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Abstract
The utility model belongs to the technical field of engines, in particular to an internal combustion engine cylinder structure with convenient maintenance, which comprises a cylinder body, a cylinder head cover is detachably arranged on the cylinder body, cylinder body lower cover and cylinder body side cap, the cylinder body side cap is located cylinder body and cylinder body lower cover outside, form the cylinder head room between cylinder body and the cylinder head cover, form the crankcase room between cylinder body and the cylinder body lower cover, form the hold-in range passageway between cylinder body and the cylinder body side cap, be equipped with the pulley room between cylinder head room and the hold-in range passageway, pulley room and cylinder head room and hold-in range passageway intercommunication, the indoor crankshaft connecting rod piston group of installing of crankcase, crankshaft connecting rod piston group includes first synchronizing gear, install second synchronizing gear in the pulley room, integrated into one piece has the cam on the second synchronizing gear, around being equipped with the hold-in range on first synchronizing gear and the second synchronizing gear, the hold-in range is located the hold-in range passageway. The purpose is as follows: the problem of the noise that current internal-combustion engine cylinder structural defect leads to is big, dismantle trouble is solved.
Description
Technical Field
The utility model belongs to the technical field of the engine, concretely relates to easy maintenance's internal-combustion engine cylinder structure.
Background
The internal combustion engine is a kind of power machine, belonging to a kind of engine, it is a heat engine which burns the fuel in the machine interior and directly converts the heat energy released by it into power.
The internal combustion engine in the broad sense includes not only reciprocating piston, rotary piston and free piston engines but also jet engines of the rotary vane type, but the internal combustion engine is generally referred to as a piston engine.
Piston internal combustion engines are the most common of the reciprocating piston types. The piston type internal combustion engine mixes fuel and air and burns in a cylinder of the engine, and the released heat energy enables the cylinder to generate high-temperature and high-pressure fuel gas. The gas expands to drive the piston to do work, and then the mechanical work is output through a crank-link mechanism or other mechanisms to drive the driven machinery to work.
The valve mechanism is an important component of internal combustion engine, and its function is to open or close the intake valve and exhaust valve at regular time according to the working sequence and working process of the engine, so that the combustible mixture gas or air can be fed into the cylinder, and the waste gas can be discharged from the cylinder, so as to implement the air exchange process.
In most valve actuating mechanisms, the power of a crank link mechanism is transmitted to a valve group through a push rod, so that the valve is automatically opened and closed on time.
Meanwhile, one end of the cylinder body side cover of the existing internal combustion engine is located between the cylinder body and the cylinder body lower cover, when the internal combustion engine needs to be overhauled, the cylinder body lower cover needs to be detached firstly, and the operation is troublesome.
SUMMERY OF THE UTILITY MODEL
The utility model aims at: the internal combustion engine cylinder structure is convenient to maintain and used for solving the problems of high noise and troublesome disassembly caused by the structural defects of the existing internal combustion engine cylinder.
In order to realize the technical purpose, the utility model discloses a technical scheme as follows:
The utility model provides a easy maintenance's internal-combustion engine cylinder structure, includes the cylinder body, demountable installation has cylinder head cover, cylinder body lower cover and cylinder body side cap on the cylinder body, the cylinder body side cap is located cylinder body and cylinder body lower cover outside, cylinder body side cap and cylinder head cover mutually independent and each other contactless, form the cylinder head room between cylinder body and the cylinder head cover, form the crankcase room between cylinder body and the cylinder body lower cover, form the hold-in range passageway between cylinder body and the cylinder body side cap, be equipped with the band pulley room between cylinder head room and the hold-in range passageway, the cylinder head room all communicates with the band pulley room with the hold-in range passageway, the indoor crankshaft connecting rod piston group of installing of crankcase, crankshaft connecting rod piston group includes first synchronizing gear, install the second synchronizing gear in the band pulley room, integrated into one piece has the cam on the second synchronizing gear, around being equipped with the hold-in range on first synchronizing gear and the second, the synchronous belt is positioned in the synchronous belt channel.
Further defined, the cylinder head cover, the cylinder body lower cover and the cylinder body side cover are all installed on the cylinder body through fixing bolts. Such structural design through rotatory bolt alright realize the dismantlement of cylinder head lid, cylinder body lower cover and cylinder body side cap, simple structure, simple to operate, the steadiness is high, and the practicality is strong.
Further inject, the cylinder block has a plurality of erection columns in the indoor integrated into one piece of cylinder head, threaded blind hole has been seted up on the erection column, cylinder head lid inside wall corresponds position integrated into one piece in the erection column and has the projection, the via hole has been seted up on the projection, wear to be equipped with fixing bolt in the via hole. Through the structural design, the cylinder head cover and the cylinder body are connected through the fixing bolt, the structure is simple, and the disassembly is convenient.
further inject, the convex column is close to the mounting column one end terminal surface and has seted up the annular groove, the annular groove inside callipers is equipped with first sealing washer. By the structural design, the mounting column and the convex column are matched with the first sealing ring for use, so that the mixed gas in the cylinder head chamber can be prevented from leaking from the through hole.
Further inject, the cylinder head cover has been close to cylinder body one end terminal surface and has been seted up first seal groove, the cylinder body side cap has been close to cylinder body one end terminal surface and has been seted up the second seal groove, all be equipped with the second sealing washer in first seal groove and the second seal groove. By the aid of the structural design, the cylinder head cover and the side cover edge of the cylinder body are sealed through the second sealing ring, and mixed gas leakage is avoided.
Further, the cylinder body is integrally formed with flanges on the outside of the pulley chamber, the flanges matching the cylinder head cover and the cylinder side cover. Such structural design supports cylinder head lid and cylinder body side cap through the chimb, avoids cylinder head lid and cylinder body side cap one end unsettled, strengthens the installation steadiness of cylinder head lid and cylinder body side cap, and the practicality is stronger.
Adopt above-mentioned technical scheme's utility model, have following advantage:
1. The crankshaft connecting rod piston group is in power connection with the cam through the synchronous belt, and compared with the method that power transmission is carried out between the crankshaft and the piston group through a push rod, noise generated when an engine runs can be reduced;
2. The cylinder head cover is fixedly connected with the cylinder body through the fixing bolt, so that the cylinder head is convenient to disassemble and maintain;
3. The cylinder head cover, the side cover and the cylinder body lower cover are independently arranged, when a synchronous belt in the synchronous belt channel is replaced, only the cylinder head cover and the side cover need to be detached, the cylinder body lower cover does not need to be detached, the dismounting process is simplified, and the dismounting is more convenient.
Drawings
The present invention can be further illustrated by the non-limiting examples given in the accompanying drawings;
FIG. 1 is a schematic structural diagram of an embodiment of a cylinder structure of an internal combustion engine according to the present invention, which is easy to maintain;
FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;
The main element symbols are as follows:
the cylinder block comprises a cylinder block 1, a first synchronous gear 111, a second synchronous gear 112, a synchronous belt 113, a cylinder head cover 2, a cylinder lower cover 3, a cylinder side cover 4, a convex edge 5, a mounting column 6, a threaded blind hole 60 and a convex column 61.
Detailed Description
in order to make the present invention better understood by those skilled in the art, the technical solutions of the present invention are further described below with reference to the accompanying drawings and examples.
As shown in fig. 1-2, the internal combustion engine cylinder structure of the present invention comprises a cylinder body 1, a cylinder head cover 2, a cylinder body lower cover 3 and a cylinder body side cover 4 are detachably mounted on the cylinder body 1, the cylinder body side cover 4 is located outside the cylinder body 1 and the cylinder body lower cover 3, the cylinder body side cover 4 and the cylinder head cover 2 are independent and do not contact with each other, a cylinder head chamber is formed between the cylinder body 1 and the cylinder head cover 2, a crankcase chamber is formed between the cylinder body 1 and the cylinder body lower cover 3, a synchronous belt channel is formed between the cylinder body 1 and the cylinder body side cover 4, a belt wheel chamber is disposed between the cylinder head chamber and the synchronous belt channel, the cylinder head chamber and the synchronous belt channel are both communicated with the belt wheel chamber, a crankshaft connecting rod piston set is mounted in the crankcase chamber, the crankshaft connecting rod piston set comprises a first synchronous gear 111, a second synchronous gear 112 is mounted in the belt wheel, the first synchronous gear 111 and the second synchronous gear 112 are wound with a synchronous belt 113, and the synchronous belt 113 is located in the synchronous belt channel.
The cylinder head cover 2, the cylinder lower cover 3 and the cylinder side cover 4 are all mounted on the cylinder block 1 by fixing bolts. Such structural design through rotatory bolt alright realize the dismantlement of cylinder head lid 2, cylinder body lower cover 3 and cylinder body side cap 4, simple structure, simple to operate, the steadiness is high, and the practicality is strong.
Cylinder body 1 has a plurality of erection columns 6 in the indoor integrated into one piece of cylinder head, has seted up screw thread blind hole 60 on the erection column 6, and 2 inside walls of cylinder head have projection 61 in erection column 6 corresponds position integrated into one piece, have seted up the via hole on the projection 61, wear to be equipped with fixing bolt in the via hole, connect through fixing bolt between cylinder head 2 and the cylinder body 1, simple structure, it is convenient to dismantle.
The convex column 61 is close to the 6 one end terminal surface of erection column and has seted up the annular groove, and the annular groove inside callipers is equipped with first sealing washer, through erection column 6 and convex column 61, cooperates first sealing washer to use, can avoid the indoor mist of cylinder head to leak from the via hole.
First seal groove has been seted up near 1 one end terminal surface of cylinder body to cylinder head lid 2, and second seal groove has been seted up near 1 one end terminal surface of cylinder body to cylinder body side cap 4, all is equipped with the second sealing washer in first seal groove and the second seal groove, seals cylinder head lid 2 and 4 edges of cylinder body side cap through the second sealing washer, avoids the mist to leak.
cylinder body 1 has in the outdoor side integrated into one piece of band pulley with cylinder head 2 and cylinder body side cap 4 assorted chimb 5, supports cylinder head 2 and cylinder body side cap 4 through chimb 5, avoids cylinder head 2 and 4 one ends of cylinder body side cap unsettled, strengthens the installation steadiness of cylinder head 2 and cylinder body side cap 4, and the practicality is stronger.
In this embodiment, the crankshaft connecting rod piston group is connected with the cam through the synchronous belt 113, and the cam drives the valve to move, that is, the power of the crankshaft connecting rod piston group is transmitted to the cam group through the synchronous belt 113, so as to realize the opening and closing of the valve; when the synchronous belt 113 needs to be overhauled, the fixing bolts on the cylinder head cover 2 and the cylinder side cover 4 are directly screwed off, so that the synchronous belt 113 can be completely exposed, the cylinder lower cover 3 does not need to be taken down, and the dismounting process is simplified.
The above is a detailed description of the internal combustion engine cylinder structure provided by the utility model. The description of the specific embodiments is only intended to facilitate an understanding of the method of the invention and its core ideas. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.
Claims (6)
1. An internal combustion engine cylinder structure convenient for maintenance is characterized in that: including cylinder body (1), demountable installation has cylinder head lid (2), cylinder body lower cover (3) and cylinder body side cap (4) on cylinder body (1), cylinder body side cap (4) are located cylinder body (1) and cylinder body lower cover (3) outside, cylinder body side cap (4) and cylinder head lid (2) mutual independence and each other do not contact, form the cylinder head room between cylinder body (1) and cylinder head lid (2), form the crankcase room between cylinder body (1) and cylinder body lower cover (3), form the synchronous belt passageway between cylinder body (1) and cylinder body side cap (4), be equipped with the band pulley room between cylinder head room and the synchronous belt passageway, cylinder head room and synchronous belt passageway all communicate with the band pulley room, the indoor crankshaft connecting rod piston group of installing of crankcase, crankshaft connecting rod piston group includes first synchronizing gear (111), the indoor second synchronizing gear (112) of installing of band pulley, integrated into one piece has the cam on second synchronizing gear (112), around being equipped with hold-in range (113) on first synchronizing gear (111) and second synchronizing gear (112), hold-in range (113) are located the hold-in range passageway.
2. A serviceable internal combustion engine cylinder configuration as set forth in claim 1 in which: the cylinder head cover (2), the cylinder body lower cover (3) and the cylinder body side cover (4) are all installed on the cylinder body (1) through fixing bolts.
3. a serviceable internal combustion engine cylinder configuration as set forth in claim 2 in which: cylinder body (1) has a plurality of erection columns (6) in the indoor integrated into one piece of cylinder head, threaded blind hole (60) have been seted up on erection column (6), cylinder head (2) inside wall corresponds position integrated into one piece in erection column (6) and has projection (61), the via hole has been seted up on projection (61), wear to be equipped with fixing bolt in the via hole.
4. A serviceable internal combustion engine cylinder configuration as set forth in claim 3 in which: an annular groove is formed in the end face, close to one end of the mounting column (6), of the convex column (61), and a first sealing ring is clamped in the annular groove.
5. A serviceable internal combustion engine cylinder configuration as set forth in claim 4 in which: the cylinder head cover (2) is close to cylinder body (1) one end terminal surface and has seted up first seal groove, cylinder body side cap (4) is close to cylinder body (1) one end terminal surface and has seted up the second seal groove, all be equipped with the second sealing washer in first seal groove and the second seal groove.
6. a serviceable internal combustion engine cylinder configuration as set forth in claim 5 in which: the cylinder body (1) is integrally formed with a convex edge (5) matched with the cylinder head cover (2) and the cylinder body side cover (4) outside the belt wheel chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920446651.1U CN209743049U (en) | 2019-04-03 | 2019-04-03 | internal combustion engine cylinder structure convenient to maintain |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920446651.1U CN209743049U (en) | 2019-04-03 | 2019-04-03 | internal combustion engine cylinder structure convenient to maintain |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209743049U true CN209743049U (en) | 2019-12-06 |
Family
ID=68719626
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920446651.1U Active CN209743049U (en) | 2019-04-03 | 2019-04-03 | internal combustion engine cylinder structure convenient to maintain |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209743049U (en) |
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2019
- 2019-04-03 CN CN201920446651.1U patent/CN209743049U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Zhejiang Risheng Agriculture and Forestry Science and Technology Co.,Ltd. Assignor: NINGBO AOSHENG MACHINE Co.,Ltd. Contract record no.: X2023980053134 Denomination of utility model: A convenient maintenance structure for internal combustion engine cylinders Granted publication date: 20191206 License type: Common License Record date: 20231219 |