CN210799162U - Piston head of high security - Google Patents

Piston head of high security Download PDF

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Publication number
CN210799162U
CN210799162U CN201922056823.7U CN201922056823U CN210799162U CN 210799162 U CN210799162 U CN 210799162U CN 201922056823 U CN201922056823 U CN 201922056823U CN 210799162 U CN210799162 U CN 210799162U
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CN
China
Prior art keywords
piston
piston head
head main
main part
cavity
Prior art date
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Expired - Fee Related
Application number
CN201922056823.7U
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Chinese (zh)
Inventor
李春燕
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Fuding Sanhong Locomotive Part Co ltd
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Fuding Sanhong Locomotive Part Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Fuding Sanhong Locomotive Part Co ltd filed Critical Fuding Sanhong Locomotive Part Co ltd
Priority to CN201922056823.7U priority Critical patent/CN210799162U/en
Application granted granted Critical
Publication of CN210799162U publication Critical patent/CN210799162U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model relates to an automobile piston technical field just discloses a piston head of high security, including the piston head main part, the mounting groove has been seted up to piston head main part bottom, set up the cavity that is located the mounting groove top in the piston head main part, the mounting groove is linked together through mounting hole and cavity, the piston pinhole that runs through the mounting hole and extend to piston head main part right side has been seted up in piston head main part left side, piston head main part top swing joint has the piston kicking block. The piston head with high safety solves the problems that because the piston works under the conditions of high temperature, high pressure, high speed and poor lubrication, the piston is directly contacted with high-temperature gas, so the piston is seriously heated, the heat dissipation condition is very poor, the piston works under the severe condition, can generate deformation and accelerate wear, can also generate additional load and thermal stress, and is easily subjected to the chemical corrosion action of fuel gas, thereby easily generating potential safety hazards.

Description

Piston head of high security
Technical Field
The utility model relates to an automobile piston technical field specifically is a piston head of high security.
Background
The piston is a reciprocating part in the cylinder body of the automobile engine, the basic structure of the piston can be divided into a top part, a head part and a skirt part, the top part of the piston is the main part forming a combustion chamber, the shape of the piston is related to the selected combustion chamber form, the gasoline engine mostly adopts a flat-top piston, the engine has the advantage of small heat absorption area, the top part of the piston of the diesel engine is often provided with various pits, the specific shape, position and size of the pits are matched with the mixed gas of the diesel engine to form the combustion requirement, the piston mainly acts on bearing the combustion pressure in the cylinder and transmits the force to a crankshaft through a piston pin and a connecting rod, and in addition, the piston, the cylinder cover and the cylinder wall form the combustion chamber together.
Because the piston works under the conditions of high temperature, high pressure, high speed and poor lubrication, the piston is directly contacted with high-temperature gas, so the piston is seriously heated, the heat dissipation condition is very poor, the piston works under the severe condition, deformation and accelerated wear can be generated, additional load and thermal stress can be generated, and the piston is easily subjected to the chemical corrosion action of fuel gas, so the potential safety hazard is easy to appear, and the piston head with high safety is provided to solve the problems.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model provides a not enough to prior art, the utility model provides a piston head of high security, it is high to possess the security, convenient to use's advantage, solved because the piston works under high temperature, high pressure, high speed, lubricated bad condition, the piston is direct and high-temperature gas contacts, therefore, it is serious to be heated, and the heat dissipation condition is very poor again, the piston works under this kind of abominable condition, can produce and warp and wearing and tearing with higher speed, still can produce additional load and thermal stress, receive the chemical attack of gas simultaneously, the problem of potential safety hazard appears easily.
(II) technical scheme
For realizing the above-mentioned security height, the purpose of convenient to use, the utility model provides a following technical scheme: the utility model provides a piston head of high security, includes the piston head main part, mounting groove has been seted up to piston head main part bottom, set up the cavity that is located the mounting groove top in the piston head main part, the mounting groove is linked together through mounting hole and cavity, piston head main part left side is seted up and is run through the mounting hole and extend to the piston head main part right side piston pinhole, piston head main part top swing joint has the piston kicking block, piston kicking block bottom fixed mounting has the threaded connection pole that runs through the piston head main part and extend to in the cavity, threaded connection pole bottom threaded connection has the fastening nut who is located the cavity, piston kicking block bottom and piston head main part top have all seted up first piston ring groove, swing joint has first sealing oil ring in the first piston ring groove, piston kicking block bottom and piston head main part top all set up the second piston ring groove that, the utility model discloses a piston ring, including piston head main body side wall, piston ring groove, first sealed gas ring, piston head main body side wall, piston ring groove, second sealed gas ring, piston head main body side wall, piston ring groove, the oil filler point that is linked together with the cavity is seted up to the joint in the fourth, fixed mounting has quantity to be two compression spring in the cavity.
Preferably, the piston head main body and the piston top block are both made of silicon-aluminum alloy, and the diameter of the mounting groove and the diameter of the cavity are both larger than the diameter of the mounting hole.
Preferably, a piston pin is movably connected in the piston pin hole, and the piston pin is in interference fit with the piston pin hole.
Preferably, the top of the piston head main body is provided with a through hole matched with the threaded connecting rod, and the diameter of the piston top block is equal to that of the piston head main body.
Preferably, the first oil sealing ring has a height greater than a groove depth of the first piston ring groove, and the first gas sealing ring has a height greater than a groove depth of the second piston ring groove.
Preferably, the number of the oil injection holes is more than ten, the compression springs are high-temperature-resistant springs, and the mounting holes are located between the two compression springs.
(III) advantageous effects
Compared with the prior art, the utility model provides a piston head of high security possesses following beneficial effect:
this piston head of high security, through setting up the sealed gas ring of second, prevent that the gas in the combustion chamber from revealing, through setting up the sealed oil ring of second, can prevent that lubricating oil from scurrying into the combustion chamber, and can scrape excessive lubricating oil on the cylinder wall back to the oil pan, through setting up the piston kicking block, the user passes through fastening nut fixed piston kicking block to the piston head main part on, because piston kicking block and gas direct contact, can receive the chemical corrosion of gas, the user only need regularly change the piston kicking block alright guarantee the security of using, through setting up first sealed oil ring and first sealed gas ring, ensure that piston head main part and piston kicking block are in encapsulated situation, through setting up compression spring, can reduce the deflection of piston in the motion process, improve the security, thereby the security has been reached, the purpose of being convenient to use, thereby effectual solved because the piston is at high temperature, The piston works under the conditions of high pressure, high speed and poor lubrication, and is directly contacted with high-temperature gas, so that the piston is heated seriously, the heat dissipation condition is very poor, the piston works under the severe condition, can generate deformation and accelerated wear, can generate additional load and thermal stress, and simultaneously is subjected to the chemical corrosion action of gas, so that the problem of potential safety hazard is easy to occur.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a sectional view of the present invention.
In the figure: the piston comprises a piston head main body 1, a mounting groove 2, a cavity 3, a mounting hole 4, a piston pin hole 5, a piston top block 6, a threaded connecting rod 7, a fastening nut 8, a first piston ring groove 9, a first sealing oil ring 10, a second piston ring groove 11, a first sealing gas ring 12, a third piston ring groove 13, a second sealing gas ring 14, a fourth piston ring groove 15, a second sealing oil ring 16, an oil filler 17 and a compression spring 18.
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.
Referring to fig. 1-2, a piston head with high safety comprises a piston head main body 1, wherein the bottom of the piston head main body 1 is provided with an installation groove 2, the piston head main body 1 is internally provided with a cavity 3 positioned at the top of the installation groove 2, the installation groove 2 is communicated with the cavity 3 through an installation hole 4, the diameter of the installation groove 2 and the diameter of the cavity 3 are both larger than the diameter of the installation hole 4, the left side of the piston head main body 1 is provided with a piston pin hole 5 penetrating through the installation hole 4 and extending to the right side of the piston head main body 1, a piston pin is movably connected in the piston pin hole 5 and is in interference fit with the piston pin hole 5, the top of the piston head main body 1 is movably connected with a piston top block 6, the diameter of the piston top block 6 is equal to the diameter of the piston head main body 1, the piston head main body 1 and the, the top of the piston head main body 1 is provided with a through hole matched with the threaded connecting rod 7, the bottom of the threaded connecting rod 7 is in threaded connection with a fastening nut 8 positioned in the cavity 3, the bottom of the piston top block 6 and the top of the piston head main body 1 are both provided with a first piston ring groove 9, a first sealing oil ring 10 is movably connected in the first piston ring groove 9, the height of the first sealing oil ring 10 is larger than the depth of the first piston ring groove 9, the bottom of the piston top block 6 and the top of the piston head main body 1 are both provided with a second piston ring groove 11 positioned outside the first piston ring groove 9, a first sealing air ring 12 is movably connected in the second piston ring groove 11, the height of the first sealing air ring 12 is larger than the depth of the second piston ring groove 11, the side wall of the piston head main body 1 is provided with two third piston ring grooves 13, a second sealing air ring 14 is clamped in the third piston ring groove 13, the side wall of the piston head main body 1 is, a second sealing oil ring 16 is clamped in the fourth piston ring groove 15, oil injection holes 17 communicated with the cavity 3 are formed in the fourth piston ring groove 15, the number of the oil injection holes 17 is more than ten, two compression springs 18 are fixedly mounted in the cavity 3, the compression springs 18 are high-temperature-resistant springs, and the mounting holes 4 are located between the two compression springs 18.
When using, through setting up second seal gas ring 14, prevent that the gas from revealing in the combustion chamber, through setting up second seal oil ring 16, can prevent that lubricating oil from scurrying into the combustion chamber, and can scrape the oil pan back to with excessive lubricating oil on the cylinder wall, through setting up piston kicking block 6, the user passes through fastening nut 8 fixed piston kicking block 6 to piston head main part 1 on, because piston kicking block 6 and gas direct contact, can receive the chemical corrosion of gas, the user only need change piston kicking block 6 alright in order to ensure the security of using regularly, ensure piston head main part 1 and piston kicking block 6 and be in encapsulated situation through setting up first seal oil ring 10 and first seal gas ring 12, through setting up compression spring 18, can reduce the deflection of piston in the motion process, improve the security, thereby the security has reached the security height, the purpose of convenient to use.
In summary, in the piston head with high safety, the second sealing oil ring 14 is arranged to prevent gas leakage in the combustion chamber, the second sealing oil ring 16 is arranged to prevent lubricating oil from entering the combustion chamber and scrape excessive lubricating oil on the cylinder wall back to the oil sump, the piston top block 6 is arranged, a user fixes the piston top block 6 to the piston head main body 1 through the fastening nut 8, the piston top block 6 is directly contacted with gas and can be subjected to chemical corrosion of the gas, the user can ensure the safety of use only by regularly replacing the piston top block 6, the first sealing oil ring 10 and the first sealing oil ring 12 are arranged to ensure that the piston head main body 1 and the piston top block 6 are in a sealing state, the compression spring 18 is arranged to reduce the deformation of the piston in the motion process, the safety is improved, and the purposes of high safety and convenient use are achieved, thereby the effectual piston that has solved because the piston works under high temperature, high pressure, high speed, lubricated bad condition, the piston is direct to be contacted with high-temperature gas, consequently, is heated seriously, and the heat dissipation condition is very poor again, and the piston works under this kind of abominable condition, can produce deformation and accelerated wear, still can produce additional load and thermal stress, receives the chemical corrosion effect of gas simultaneously, appears the problem of potential safety hazard easily.
It is to be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. A piston head of high safety, comprising a piston head body (1), characterized in that: mounting groove (2) have been seted up to piston head main part (1) bottom, seted up cavity (3) that are located mounting groove (2) top in piston head main part (1), mounting groove (2) are linked together through mounting hole (4) and cavity (3), piston head main part (1) left side is seted up and is run through mounting hole (4) and extend to piston head main part (1) right side piston pinhole (5), piston head main part (1) top swing joint has piston kicking block (6), piston kicking block (6) bottom fixed mounting has and runs through piston head main part (1) and extend to threaded connection pole (7) in cavity (3), threaded connection pole (7) bottom threaded connection has fastening nut (8) that are located cavity (3), first piston annular (9) have all been seted up with piston head main part (1) top in piston kicking block (6) bottom, a first sealing oil ring (10) is movably connected in the first piston ring groove (9), the bottom of the piston top block (6) and the top of the piston head main body (1) are both provided with a second piston ring groove (11) positioned outside the first piston ring groove (9), a first sealing air ring (12) is movably connected in the second piston ring groove (11), the side wall of the piston head main body (1) is provided with two third piston ring grooves (13), a second sealing air ring (14) is clamped in the third piston ring groove (13), the side wall of the piston head main body (1) is provided with a fourth piston ring groove (15) positioned at the bottom of the third piston ring groove (13), a second sealing oil ring (16) is clamped in the fourth piston ring groove (15), an oil filling hole (17) communicated with the cavity (3) is formed in the fourth piston ring groove (15), two compression springs (18) are fixedly arranged in the cavity (3).
2. A high safety piston head according to claim 1, wherein: the piston head main body (1) and the piston top block (6) are both made of silicon-aluminum alloy, and the diameter of the mounting groove (2) and the diameter of the cavity (3) are both larger than the diameter of the mounting hole (4).
3. A high safety piston head according to claim 1, wherein: and a piston pin is movably connected in the piston pin hole (5), and the piston pin hole (5) are in interference fit.
4. A high safety piston head according to claim 1, wherein: the top of the piston head main body (1) is provided with a through hole matched with the threaded connecting rod (7), and the diameter of the piston top block (6) is equal to that of the piston head main body (1).
5. A high safety piston head according to claim 1, wherein: the height of the first sealing oil ring (10) is greater than the depth of the first piston ring groove (9), and the height of the first sealing gas ring (12) is greater than the depth of the second piston ring groove (11).
6. A high safety piston head according to claim 1, wherein: the number of the oil injection holes (17) is more than ten, the compression springs (18) are high-temperature-resistant springs, and the mounting hole (4) is located between the two compression springs (18).
CN201922056823.7U 2019-11-26 2019-11-26 Piston head of high security Expired - Fee Related CN210799162U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201922056823.7U CN210799162U (en) 2019-11-26 2019-11-26 Piston head of high security

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201922056823.7U CN210799162U (en) 2019-11-26 2019-11-26 Piston head of high security

Publications (1)

Publication Number Publication Date
CN210799162U true CN210799162U (en) 2020-06-19

Family

ID=71230594

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201922056823.7U Expired - Fee Related CN210799162U (en) 2019-11-26 2019-11-26 Piston head of high security

Country Status (1)

Country Link
CN (1) CN210799162U (en)

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20200619

CF01 Termination of patent right due to non-payment of annual fee