CN213270074U

CN213270074U - Diesel engine cylinder cover

Info

Publication number: CN213270074U
Application number: CN202022039015.2U
Authority: CN
Inventors: 向攀; 吴是达; 庞潇
Original assignee: Chengdu Yunnei Power Co ltd
Current assignee: Chengdu Yunnei Power Co ltd
Priority date: 2020-09-17
Filing date: 2020-09-17
Publication date: 2021-05-25
Anticipated expiration: 2030-09-17

Abstract

The utility model discloses a diesel engine cylinder head, including the cylinder head main part, a plurality of rocking arm tappet hole has been seted up on the top of cylinder head main part, and the top of cylinder head main part has seted up a plurality of rocker arm seat mounting hole, the top of cylinder head main part is provided with a plurality of oil pipe mounting groove, a plurality of inlay set mounting hole has been seted up on the top of cylinder head main part. The utility model discloses a cylinder cap bolt hole, (air) intake valve pipe mounting hole, exhaust valve pipe mounting hole, inlay set mounting hole, rocking arm tappet hole, first machined surface, air conditioner support and preceding lug mounting hole, thermostat mounting hole, go up the oilhole, go out the sand hole, second machined surface, back lug bolt mounting hole, tappet hole, water channel hole and location pinhole, can guarantee that the structure is compacter, reduce the model of cylinder head main part.

Description

Diesel engine cylinder cover

Technical Field

The utility model relates to a diesel generator accessory technical field specifically is a diesel engine cylinder head.

Background

Diesel engines are generally referred to as diesel engines. Diesel engines are engines that burn diesel fuel to obtain energy release. The diesel engine has the advantages of large torque and good economic performance. The cylinder cover is cast by cast iron, is a mounting base body of the valve mechanism and is also a sealing cover of a cylinder of the diesel engine, and the combustion chamber consists of a lower plane of the cylinder cover and the top of a piston.

Various diesel engine cylinder heads exist in the market at present, but the engine cylinder heads generally have insufficient strength and rigidity and do not have good heat dissipation performance. Accordingly, one skilled in the art has provided a cylinder head for a diesel engine that solves the problems set forth in the background above.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a diesel engine cylinder head to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a diesel engine cylinder head, includes the cylinder head main part, a plurality of rocking arm tappet hole has been seted up on the top of cylinder head main part, and the top of cylinder head main part has seted up a plurality of rocking arm seat mounting hole, the top of cylinder head main part is provided with a plurality of oil pipe mounting groove, a plurality of bushing mounting hole has been seted up on the top of cylinder head main part, first cylinder cap bolt hole has all been seted up in the four corners on cylinder head main part top, a plurality of exhaust valve pipe mounting hole has been seted up on one side on cylinder head main part top, a plurality of intake valve pipe mounting hole has been seted up to the another side on cylinder head main part top, the first cylinder cap housing mounting hole.

Furthermore, one side of the cylinder cover main body is provided with a plurality of exhaust passages, one side of the cylinder cover main body is provided with an air conditioner bracket and a front lifting lug mounting hole, the bottom of one side of the cylinder cover main body is provided with a first machining surface, and one side of the cylinder cover main body is provided with a plurality of exhaust pipe mounting holes.

Furthermore, thermostat mounting holes are formed in four corners of the front side of the cylinder cover main body.

Furthermore, the top of the rear side of the cylinder cover main body is provided with an oil hole, and the rear side of the cylinder cover main body is provided with a plurality of cylinder cover rear cover plate mounting holes.

Furthermore, a plurality of air inlet channels are formed in one side of the cylinder cover main body, a plurality of air inlet pipe bolt mounting holes are formed in one side of the cylinder cover main body, rear lifting lug bolt mounting holes are formed in one side of the cylinder cover main body, a second machining face is arranged at the bottom of one side of the cylinder cover main body, and a plurality of sand outlet holes are formed in one side of the cylinder cover main body.

Furthermore, the bottom end of the cylinder cover main body is provided with a plurality of groups of valve seat ring holes, the bottom end of the cylinder cover main body is provided with a plurality of positioning pin holes, one side of the bottom end of the cylinder cover main body is provided with a plurality of tappet holes, the bottom end of the cylinder cover main body is provided with a plurality of water passage holes, and the bottom end of the cylinder cover main body is provided with a plurality of second cylinder cover bolt holes.

Compared with the prior art, the beneficial effects of the utility model are that:

through cylinder cover bolt hole, intake valve pipe mounting hole, exhaust valve pipe mounting hole, inlay set mounting hole, rocking arm tappet hole, first machined surface, air conditioner support and preceding lug mounting hole, thermostat mounting hole, go up the oilhole, the hole of appearing sand, second machined surface, back lug bolt mounting hole, tappet hole, water passage hole and location pinhole, can guarantee that the structure is compacter, reduce the model of structure of cylinder cover main part, can be convenient for the air conditioner location, and guarantee that four exhaust passages are on a plane, improve the machining precision, can play the effect that the sealed effect prevents the cooling water leakage outward for the cylinder cover main part, can reduce the air current loss of air inlet in-process, form reasonable gas flow, improve the efficiency of admitting air, can improve the cooling and the lubricating property of the cylinder wall of cylinder cover main part, thereby the practicality of this cylinder cover main part has been improved.

Drawings

FIG. 1 is a schematic structural view of a cylinder head of a diesel engine according to embodiment 1;

FIG. 2 is a partial schematic structural view of an exhaust side of a cylinder head of a diesel engine according to embodiment 1;

FIG. 3 is a partial schematic structural view of a front end surface of a cylinder head of a diesel engine according to embodiment 1;

fig. 4 is a partial structural schematic view of a rear end face of a cylinder head of a diesel engine proposed in embodiment 1;

FIG. 5 is a partial schematic structural view of an intake side of a cylinder head of a diesel engine according to embodiment 1;

fig. 6 is a partial structural view of the bottom surface of a cylinder head of a diesel engine according to embodiments 1 and 2.

In the figure: 1. a first cylinder head bolt hole; 2. an intake valve guide mounting hole; 3. an exhaust valve guide pipe mounting hole; 4. mounting holes are inlaid; 5. a rocker arm tappet hole; 6. an oil pipe mounting groove; 7. a rocker arm seat mounting hole; 8. a cylinder cover housing mounting hole; 9. a cylinder head main body; 10. an exhaust pipe mounting hole; 11. an exhaust passage; 12. a first machined surface; 13. the air conditioner bracket and the front lifting lug mounting hole; 14. a thermostat mounting hole; 15. an upper oil hole; 16. a mounting hole of a rear cover plate of the cylinder cover; 17. a sand outlet; 18. a bolt mounting hole of the air inlet pipe; 19. an air inlet channel; 20. a second machined surface; 21. a rear lifting lug bolt mounting hole; 22. a tappet hole; 23. a water passage hole; 24. a valve seat insert hole; 25. a second cylinder head bolt hole; 26. a positioning pin hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

Please refer to fig. 1 to 6, in an embodiment of the present invention, a diesel engine cylinder head, including a cylinder head main body 9, a plurality of rocker arm tappet holes 5 have been seted up on the top of cylinder head main body 9, and a plurality of rocker arm seat mounting hole 7 has been seted up on the top of cylinder head main body 9, the top of cylinder head main body 9 is provided with a plurality of oil pipe mounting groove 6, a plurality of bushing mounting hole 4 has been seted up on the top of cylinder head main body 9, first cylinder head bolt hole 1 has all been seted up in the four corners on cylinder head main body 9 top, a plurality of exhaust valve pipe mounting hole 3 has been seted up on one side on cylinder head main body 9 top, a plurality of intake valve pipe mounting hole 2 has been seted up on the another side on cylinder head main body.

Wherein, one side of the cylinder cover main body 9 is provided with a plurality of exhaust passages 11, one side of the cylinder cover main body 9 is provided with an air conditioner bracket and a front lifting lug mounting hole 13, the bottom of one side of the cylinder cover main body 9 is provided with a first machining surface 12, and one side of the cylinder cover main body 9 is provided with a plurality of exhaust pipe mounting holes 10.

Wherein, thermostat mounting holes 14 are all opened at four corners of the front side of the cylinder cover main body 9.

The top of the rear side of the cylinder head main body 9 is provided with an upper oil hole 15, and the rear side of the cylinder head main body 9 is provided with a plurality of cylinder head rear cover plate mounting holes 16.

Wherein, a plurality of intake duct 19 has been seted up to one side of cylinder head main part 9, and a plurality of intake pipe bolt mounting hole 18 has been seted up to one side of cylinder head main part 9, and one side of cylinder head main part 9 is provided with back lug bolt mounting hole 21, and the bottom of cylinder head main part 9 one side is provided with second machined surface 20, and a plurality of sand outlet 17 has been seted up to one side of cylinder head main part 9.

The working principle is as follows: the upper plane of the cylinder cover main body 9 is connected with an external cylinder cover housing in a bolt mode, a plurality of parts are required to be installed on the upper plane of the cylinder cover main body 9, so that a plurality of holes are formed, most of the holes are machined in a machining mode, the first cylinder cover bolt hole 1 for connecting a machine body and the cylinder cover main body 9 is required to have higher machining precision, the cylinder cover further has the function of oiling an air distribution system, the mounting hole 2 for positioning an air inlet valve guide pipe and the mounting hole 3 for an exhaust valve guide pipe are specially used for inputting air into an engine and discharging combusted waste gas, the mounting hole 4 for fixing an oil sprayer, the rocker arm tappet hole 5 for placing a tappet, the rocker arm seat mounting hole 7 for fixing a rocker arm seat and the oil pipe mounting groove 6 for providing lubricating oil for the air distribution system are arranged, an air conditioner bracket and a front lifting lug mounting hole 13 are arranged on the cylinder cover main body 9, the structure is ensured to be more compact, the structural model of the cylinder cover main body 9 is reduced, two positioning pin sleeves are arranged on the upper left hole and the lower right hole, the positioning problem of an air conditioner can be ensured, the upper and lower first machining surfaces 12 on the exhaust passages 11 can ensure that the four exhaust passages 11 are on the same plane, the machining precision is improved, the air leakage of the exhaust pipe mounting hole 10 is avoided, a thermostat assembly arranged in a thermostat mounting hole 14 can ensure the normal operation of the inlet water of a cooling system and play a role of sealing to prevent the leakage of the cooling water, the upper oil hole 15 is communicated with the first cylinder cover bolt hole 1 to be connected with an oil pipe of a rocker arm seat to ensure that lubricating oil can lubricate the air distribution system, a sand outlet hole 17 and an air inlet pipe bolt mounting hole 18 for blank casting are arranged on the air inlet side, and an air inlet passage 19 has the advantages of meeting the requirement of reducing the air flow, the air intake efficiency is improved.

Example 2

Referring to fig. 6, the cylinder head of the diesel engine in this embodiment, compared with embodiment 1, further includes that the bottom end of the cylinder head main body 9 is provided with a plurality of sets of valve seat holes 24, the bottom end of the cylinder head main body 9 is provided with a plurality of positioning pin holes 26, one side of the bottom end of the cylinder head main body 9 is provided with a plurality of tappet holes 22, the bottom end of the cylinder head main body 9 is provided with a plurality of water passage holes 23, and the bottom end of the cylinder head main body 9 is provided with a plurality of second cylinder head bolt holes 25.

The working principle is as follows: the lower plane of the cylinder cover body 9 is provided with a plurality of hole systems with different sizes, including a second cylinder cover bolt hole 25, a threaded hole, a positioning pin hole 26 for mounting a cylinder gasket, a water channel hole 23 leading to a cooling water cavity, and a tappet hole 22 for mounting a valve tappet, and a combustion chamber is arranged in the cylinder cover body 9, so that the working temperature of the cylinder cover body 9 is very high, high requirements on the cooling and lubricating performance of the cylinder wall of the cylinder cover body 9 are provided, and the water channel hole 23 and the upper oil hole 15 respectively provide passages for cooling liquid and lubricating oil of an engine.

The utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the description with the record of drawing of description, and the concrete connection mode of each part all adopts conventional means such as ripe bolt, rivet, welding among the prior art, and machinery, part and equipment all adopt prior art, and conventional model, including circuit connection adopts conventional connection mode among the prior art, does not detailed here again.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A diesel engine cylinder head comprising a cylinder head body (9), characterized in that, the top end of the cylinder cover main body (9) is provided with a plurality of rocker arm tappet holes (5), and the top end of the cylinder cover main body (9) is provided with a plurality of rocker arm seat mounting holes (7), the top end of the cylinder cover main body (9) is provided with a plurality of oil pipe installation grooves (6), the top end of the cylinder cover main body (9) is provided with a plurality of mounting holes (4) for the bushing, four corners of the top end of the cylinder cover main body (9) are provided with first cylinder cover bolt holes (1), one side of the top end of the cylinder cover main body (9) is provided with a plurality of exhaust valve guide pipe mounting holes (3), the other side of the top end of the cylinder cover main body (9) is provided with a plurality of intake valve guide pipe mounting holes (2), the top end of the cylinder cover main body (9) is provided with a plurality of cylinder cover housing mounting holes (8).

2. The cylinder head of the diesel engine according to claim 1, wherein one side of the cylinder head body (9) is provided with a plurality of exhaust passages (11), one side of the cylinder head body (9) is provided with an air conditioner bracket and a front lifting lug mounting hole (13), the bottom of one side of the cylinder head body (9) is provided with a first machining surface (12), and one side of the cylinder head body (9) is provided with a plurality of exhaust pipe mounting holes (10).

3. The cylinder head of the diesel engine as set forth in claim 1, wherein thermostat mounting holes (14) are formed at four corners of the front side of the cylinder head body (9).

4. A cylinder head for a diesel engine according to claim 1, characterized in that the top of the rear side of the cylinder head main body (9) is provided with an upper oil hole (15), and the rear side of the cylinder head main body (9) is provided with a plurality of head cover plate mounting holes (16).

5. The cylinder head of the diesel engine according to claim 1, wherein one side of the cylinder head main body (9) is provided with a plurality of air inlet channels (19), one side of the cylinder head main body (9) is provided with a plurality of air inlet pipe bolt mounting holes (18), one side of the cylinder head main body (9) is provided with a rear lifting lug bolt mounting hole (21), the bottom of one side of the cylinder head main body (9) is provided with a second machining surface (20), and one side of the cylinder head main body (9) is provided with a plurality of sand outlet holes (17).

6. The diesel engine cylinder head according to claim 5, characterized in that a plurality of sets of valve seat holes (24) are formed in the bottom end of the cylinder head main body (9), a plurality of positioning pin holes (26) are formed in the bottom end of the cylinder head main body (9), a plurality of tappet holes (22) are formed in one side of the bottom end of the cylinder head main body (9), a plurality of water passage holes (23) are formed in the bottom end of the cylinder head main body (9), and a plurality of second cylinder head bolt holes (25) are formed in the bottom end of the cylinder head main body (9).