CN215860517U - Heavy diesel engine cylinder cover capable of preventing heat cracking - Google Patents

Heavy diesel engine cylinder cover capable of preventing heat cracking Download PDF

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Publication number
CN215860517U
CN215860517U CN202121252747.8U CN202121252747U CN215860517U CN 215860517 U CN215860517 U CN 215860517U CN 202121252747 U CN202121252747 U CN 202121252747U CN 215860517 U CN215860517 U CN 215860517U
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China
Prior art keywords
cylinder cover
diesel engine
heat dissipation
cover body
engine cylinder
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CN202121252747.8U
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Chinese (zh)
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胡金怀
胡恒超
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Wuhan Jinlan Engine Co ltd
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Wuhan Jinlan Engine Co ltd
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Abstract

The utility model discloses a heavy diesel engine cylinder cover capable of preventing heat cracking, which comprises a cylinder cover body, wherein a cooling water jacket is arranged in the cylinder cover body and is arranged in a combustion chamber, one side of the combustion chamber is communicated with an exhaust pipeline through an exhaust valve, a cooling device is arranged on the cylinder cover body and comprises an outer shell, a partition plate is arranged in the outer shell, the outer shell is divided into a heat dissipation cavity and a purification cavity by the partition plate, a micro water pump is arranged in the heat dissipation cavity, a conveying pipe communicated with the cooling water jacket is arranged at the output end of the micro water pump, the other end of the cooling water jacket is connected with a return pipe communicated with the heat dissipation cavity, positioning blocks are symmetrically arranged in the purification cavity, and a purification core net is arranged on each positioning block, so that the heavy diesel engine cylinder cover has the advantages that: the device has simple structure and convenient use, can effectively improve the heat dissipation effect of the cylinder cover, prevents the generation of heat cracks, and has the function of purifying the discharged airflow.

Description

Heavy diesel engine cylinder cover capable of preventing heat cracking
Technical Field
The utility model relates to the technical field of diesel engine cylinder covers, in particular to a heavy-duty diesel engine cylinder cover capable of preventing heat cracking.
Background
The cylinder cover is mainly used for sealing the top of cylinder jacket, forming closed cylinder working space together with piston and cylinder jacket, and pressing cylinder jacket on the correct position of machine body to make piston normally move.
The cylinder cap is in diesel engine working process, because inside production high temperature and great pressure, the time during operation, pressure is bigger and bigger, can lead to between cylinder cap and the engine sealed kneck originally to produce slight gap to can produce the production of the oil leakage problem, this is because at its during operation, the cylinder cap can't be handled for the high pressure that the engine produced, leads to the too big cylinder cap internal pressure to lead to, and current cylinder cap radiating effect is not good.
An effective solution to the problems in the related art has not been proposed yet.
SUMMERY OF THE UTILITY MODEL
Aiming at the problems in the related art, the utility model provides a heavy-duty diesel engine cylinder cover capable of preventing heat cracking, so as to overcome the technical problems in the prior related art.
The technical scheme of the utility model is realized as follows:
a heavy diesel engine cylinder cover capable of preventing heat cracking comprises a cylinder cover body, wherein the bottom of the cylinder cover body is provided with a mounting groove, a combustion chamber is arranged at the center of the bottom of the mounting groove, an oil nozzle is arranged at one side of the combustion chamber, a cooling water jacket is arranged in the cylinder cover body arranged in the combustion chamber, one side of the combustion chamber is communicated with an exhaust pipeline through an exhaust valve, the cylinder cover body is provided with a cooling device, the cooling device comprises an outer shell, a clapboard is arranged in the outer shell, the clapboard divides the shell into a heat dissipation cavity and a purification cavity, a micro water pump is arranged in the heat dissipation cavity, the output end of the micro water pump is provided with a conveying pipe communicated with the cooling water jacket, the other end of the cooling water jacket is connected with a return pipe communicated with the heat dissipation cavity, positioning blocks are symmetrically arranged in the purification cavity, and a purification core net is arranged on the positioning blocks.
Furthermore, the two sides of the cylinder cover body are provided with mounting blocks, and mounting holes are formed in the mounting blocks.
Furthermore, a sealing metal strip is arranged in the mounting groove.
Furthermore, a water injection hole is formed in the top of the heat dissipation cavity, and a sealing plug is arranged on the water injection hole.
Further, be equipped with sealed lid on purifying the chamber, sealed lid with the cylinder cap body passes through the screw and can dismantle the connection, sealed covering is equipped with the exhaust mesh.
Furthermore, a positioning column is arranged on the sealing cover.
The utility model provides a heavy diesel engine cylinder cover capable of preventing heat cracking, which has the following beneficial effects:
(1) when the cylinder cover is used, the cylinder cover is arranged on a diesel engine, the sealing performance of the diesel engine can be improved by utilizing a sealing metal strip, cooling water is injected into the heat dissipation cavity, the micro water pump is started again to convey the cooling water into the cooling water sleeve through the conveying pipe, and under the action of pressure, the water can enter the heat dissipation cavity through the return pipe, utilize the effect of rivers, drive the heat that the during operation produced, simultaneously, the air current that the combustion chamber produced can reach through exhaust duct and purify the chamber, utilizes the effect of purifying the core net, can adsorb the oil stain, is discharging to the external world, such device simple structure, convenient to use, the radiating effect that can effectual improvement cylinder cap prevents the production of hot crack, and has the effect of purification to the combustion gas stream.
(2) The installation blocks are arranged on the two sides of the cylinder cover body, the installation blocks are provided with installation holes, and the cylinder cover body is convenient to install and fix.
(3) And a sealing metal strip is arranged in the mounting groove, so that the sealing performance after mounting is improved.
(4) And a water injection hole is arranged at the top of the heat dissipation cavity, and a sealing plug is arranged on the water injection hole, so that the heat dissipation cavity can be conveniently injected with water.
(5) The purification chamber is provided with a sealing cover, the sealing cover is detachably connected with the cylinder cover body through a screw, and the sealing cover is provided with an exhaust mesh hole which is convenient for sealing the purification chamber.
(6) And a positioning column is arranged on the sealing cover to position the purification core net.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a front view of a heavy duty diesel engine cylinder head that prevents heat checking according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a heavy duty diesel engine head that is resistant to thermal cracking according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a temperature reducing device in a cylinder head of a heavy duty diesel engine capable of preventing heat cracking according to an embodiment of the utility model.
In the figure:
1. a cylinder head body; 2. mounting grooves; 3. a combustion chamber; 4. an oil jet; 5. a cooling water jacket; 6. an exhaust duct; 7. a positioning column; 8. an exhaust valve; 9. a cooling device; 10. an outer housing; 11. a partition plate; 12. A heat dissipation cavity; 13. a purification chamber; 14. a micro water pump; 15. a delivery pipe; 16. a return pipe; 17. positioning blocks; 18. a purification core net; 19. mounting blocks; 20. mounting holes; 21. sealing the metal strip; 22. a water injection hole; 23. a sealing plug; 24. a sealing cover; 25. an exhaust mesh; 26. and (4) screws.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments that can be derived by one of ordinary skill in the art from the embodiments given herein are intended to be within the scope of the present invention.
The utility model is further described with reference to the following drawings and detailed description:
the first embodiment is as follows:
referring to fig. 1-3, a heavy diesel engine cylinder cover capable of preventing heat cracking according to an embodiment of the present invention includes a cylinder cover body 1, a mounting groove 2 is disposed at the bottom of the cylinder cover body 1, a combustion chamber 3 is disposed at the center of the bottom of the mounting groove 2, an oil nozzle 4 is disposed at one side of the combustion chamber 3, a cooling jacket 5 is disposed in the cylinder cover body 1 in the combustion chamber 3, an exhaust duct 6 is communicated with one side of the combustion chamber 3 through an exhaust valve 8, a cooling device 9 is disposed on the cylinder cover body 1, the cooling device 9 includes an outer shell 10, a partition plate 11 is disposed in the outer shell 10, the partition plate 11 divides the outer shell 10 into a heat dissipation chamber 12 and a purification chamber 13, a micro water pump 14 is disposed in the heat dissipation chamber 12, a delivery pipe 15 communicated with the cooling jacket 5 is disposed at an output end of the micro water pump 14, a return pipe 16 communicated with the heat dissipation chamber 12 is connected to the other end of the cooling jacket 5, the purification cavity 13 is internally and symmetrically provided with positioning blocks 17, and the positioning blocks 17 are provided with purification core nets 18.
Through the scheme of the utility model, the cylinder cover body 1 is internally provided with the cooling water jacket 5 in the combustion chamber 3, one side of the combustion chamber 3 is communicated with the exhaust pipeline 6 through the exhaust valve 8, the cylinder cover body 1 is provided with the cooling device 9, the cooling device 9 comprises the outer shell 10, the outer shell 10 is internally provided with the partition plate 11, the outer shell 10 is divided into the heat dissipation cavity 12 and the purification cavity 13 by the partition plate 11, the heat dissipation cavity 12 is internally provided with the micro water pump 14, the output end of the micro water pump 14 is provided with the conveying pipe 15 communicated with the cooling water jacket 5, the other end of the cooling water jacket 5 is connected with the return pipe 16 communicated with the heat dissipation cavity 12, the purification cavity 13 is internally and symmetrically provided with the positioning block 17, the purification core net 18 is arranged on the positioning block 17, when in use, the cylinder cover body 1 is arranged on the diesel engine, and the sealing performance of the cylinder cover body can be improved by the sealing metal strip 21, inject the cooling water into the heat dissipation chamber 12 again, restart miniature pump 14, make it carry cooling water in cooling jacket 5 through conveyer pipe 15, through the effect of pressure, make water pass through back flow 16 can reach in the heat dissipation chamber 12, utilize the effect of rivers, drive the heat that the during operation produced, and simultaneously, the air current that the combustion chamber 3 produced can reach purification chamber 13 through exhaust duct 6, utilize the effect of purifying core net 18, can adsorb the oil stain, discharging to the external world, such device simple structure, high durability and convenient use, can effectually improve the radiating effect of cylinder cap, prevent hot production, and have the effect of purification to the exhaust air current.
Example two:
as shown in fig. 1-3, mounting blocks 19 are respectively arranged on both sides of the cylinder head body 1, and mounting holes 20 are formed in the mounting blocks 19, so that the cylinder head body 1 can be conveniently mounted and fixed; a sealing metal strip 21 is arranged in the mounting groove 2, so that the sealing performance after mounting is improved; a water injection hole 22 is formed in the top of the heat dissipation cavity 12, and a sealing plug 23 is arranged on the water injection hole 22, so that water can be injected into the heat dissipation cavity 12 conveniently; a sealing cover 24 is arranged on the purification cavity 13, the sealing cover 24 is detachably connected with the cylinder cover body 1 through a screw 26, and an exhaust mesh 25 is arranged on the sealing cover 24 to facilitate the sealing of the purification cavity 13; the sealing cover 24 is provided with a positioning column 7 which has a positioning function on the purifying core net 18.
For the convenience of understanding the technical solutions of the present invention, the following detailed description will be made on the working principle or the operation mode of the present invention in the practical process.
In practical application, when in use, the cylinder cover body 1 is installed on a diesel engine, the sealing metal strip 21 is utilized to improve the sealing performance, cooling water is injected into the heat dissipation cavity 12, the micro water pump 14 is started again to convey the cooling water into the cooling water jacket 5 through the conveying pipe 15, water can enter the heat dissipation cavity 12 through the return pipe 16 under the action of pressure, and heat generated during working is driven under the action of water flow, meanwhile, air flow generated by the combustion chamber 3 can reach the purification cavity 13 through the exhaust pipe 6, and oil stains can be adsorbed under the action of the purification core net 18 and is discharged to the outside.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims (6)

1. The heavy diesel engine cylinder cover capable of preventing heat cracking comprises a cylinder cover body (1) and is characterized in that a mounting groove (2) is arranged at the bottom of the cylinder cover body (1), a combustion chamber (3) is arranged at the center of the bottom of the mounting groove (2), an oil nozzle (4) is arranged on one side of the combustion chamber (3), a cooling water jacket (5) is arranged in the cylinder cover body (1) in the combustion chamber (3), an exhaust pipeline (6) is communicated with one side of the combustion chamber (3) through an exhaust valve (8), a cooling device (9) is arranged on the cylinder cover body (1), the cooling device (9) comprises a shell body (10), a partition plate (11) is arranged in the shell body (10), the partition plate (11) separates the shell body (10) into a heat dissipation cavity (12) and a purification cavity (13), and a micro water pump (14) is arranged in the heat dissipation cavity (12), the output end of the micro water pump (14) is provided with a conveying pipe (15) communicated with the cooling water jacket (5), the other end of the cooling water jacket (5) is connected with a return pipe (16) communicated with the heat dissipation cavity (12), positioning blocks (17) are symmetrically arranged in the purification cavity (13), and a purification core net (18) is arranged on the positioning blocks (17).
2. The heavy-duty diesel engine cylinder cover capable of preventing heat cracking of claim 1, characterized in that, the cylinder cover body (1) is provided with mounting blocks (19) on both sides, and the mounting blocks (19) are provided with mounting holes (20).
3. A heavy duty diesel engine cylinder head with heat check prevention according to claim 1, characterized in that a sealing metal strip (21) is provided in the mounting groove (2).
4. The heavy-duty diesel engine cylinder cover capable of preventing heat cracking of claim 1, characterized in that a water injection hole (22) is formed at the top of the heat dissipation cavity (12), and a sealing plug (23) is arranged on the water injection hole (22).
5. The heavy-duty diesel engine cylinder cover capable of preventing heat cracking as claimed in claim 1, wherein a sealing cover (24) is arranged on the purifying cavity (13), the sealing cover (24) is detachably connected with the cylinder cover body (1) through a screw (26), and an exhaust mesh (25) is arranged on the sealing cover (24).
6. The heavy-duty diesel engine cylinder head capable of preventing heat cracking as claimed in claim 5, characterized in that the sealing cover (24) is provided with a positioning column (7).
CN202121252747.8U 2021-06-07 2021-06-07 Heavy diesel engine cylinder cover capable of preventing heat cracking Active CN215860517U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121252747.8U CN215860517U (en) 2021-06-07 2021-06-07 Heavy diesel engine cylinder cover capable of preventing heat cracking

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121252747.8U CN215860517U (en) 2021-06-07 2021-06-07 Heavy diesel engine cylinder cover capable of preventing heat cracking

Publications (1)

Publication Number Publication Date
CN215860517U true CN215860517U (en) 2022-02-18

Family

ID=80314170

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202121252747.8U Active CN215860517U (en) 2021-06-07 2021-06-07 Heavy diesel engine cylinder cover capable of preventing heat cracking

Country Status (1)

Country Link
CN (1) CN215860517U (en)

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