CN216240979U - Piston with good sealing effect - Google Patents

Piston with good sealing effect Download PDF

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Publication number
CN216240979U
CN216240979U CN202122927797.8U CN202122927797U CN216240979U CN 216240979 U CN216240979 U CN 216240979U CN 202122927797 U CN202122927797 U CN 202122927797U CN 216240979 U CN216240979 U CN 216240979U
Authority
CN
China
Prior art keywords
piston
fixed pipe
sealing
fixed
sealed
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.)
Expired - Fee Related
Application number
CN202122927797.8U
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Chinese (zh)
Inventor
陆国民
宣勤友
孙自健
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Maanshan Yutai Precision Manufacturing Co ltd
Original Assignee
Maanshan Yutai Precision Manufacturing 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 Maanshan Yutai Precision Manufacturing Co ltd filed Critical Maanshan Yutai Precision Manufacturing Co ltd
Priority to CN202122927797.8U priority Critical patent/CN216240979U/en
Application granted granted Critical
Publication of CN216240979U publication Critical patent/CN216240979U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model relates to a piston with good sealing effect, which comprises a fixed pipe and a piston, wherein the piston is arranged in the fixed pipe, and a sealing assembly for sealing the piston is arranged in the fixed pipe; the sealing assembly comprises piston rings, O-shaped sealing rings and a sealing sleeve, and four piston rings used for sealing the piston are arranged on the outer wall of the piston. This sealed effectual piston, through four mounting bars of fixedly connected with on the inner wall of fixed pipe, be convenient for fix a position the installation to four piston rings, the effectual holistic leakproofness of piston that has strengthened, inside through setting up fixed pipe is provided with and is used for carrying out the O type sealing washer sealed to the piston, be convenient for seal the bottom of piston, then one end of keeping away from O type sealing washer through setting up fixed inside is provided with and is used for carrying out the sealed seal cover sealed to the piston, be convenient for seal the top of piston, sealed effectual advantage has been reached.

Description

Piston with good sealing effect
Technical Field
The utility model relates to the technical field of pistons, in particular to a piston with a good sealing effect.
Background
The piston is a part reciprocating in the cylinder body of the 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 advantages of small heat absorption area, the top part of the piston of the diesel engine is often provided with various pits,
at present, pistons are widely applied to engines, but the existing pistons are easy to wear and have poor fixing effect, so that the situation of leakage of the pistons during sealing is easily caused, the sealing effect is poor, and social requirements cannot be met.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects of the prior art, the utility model provides the piston with good sealing effect, has the advantages of good sealing effect and the like, and solves the problem of poor sealing effect caused by poor piston fixing effect.
In order to achieve the purpose of good sealing effect, the utility model provides the following technical scheme: a piston with good sealing effect comprises a fixed pipe and a piston, wherein the piston is arranged in the fixed pipe, and a sealing assembly for sealing the piston is arranged in the fixed pipe;
the sealing assembly comprises piston rings, O-shaped sealing rings and sealing sleeves, four piston rings used for sealing the piston are arranged on the outer wall of the piston, the O-shaped sealing rings used for sealing the piston are arranged inside the fixed pipe, and the sealing sleeves used for sealing the piston are arranged at one ends, far away from the O-shaped sealing rings, of the inside of the fixed pipe.
Further, the fixed pipe is a hollow cylinder, and the inner diameter of one end inside the fixed pipe is larger than that of the other end inside the fixed pipe.
Furthermore, the outside left and right sides of fixed pipe all fixedly connected with locating plate, the connected mode of locating plate and fixed pipe is the welding.
Further, fixedly connected with mounting bar on the inner wall of fixed pipe, the quantity of mounting bar is four, and even distribution is on the inner wall of fixed pipe.
Further, one side of the mounting bar, which is far away from the fixed pipe, is oval, and a clamping groove which is equal to the outer diameter of the mounting bar is formed in the piston ring.
Furthermore, the inside of fixed pipe is seted up the fixed slot that equals with O type sealing washer external diameter, the other end that the fixed slot was kept away from to the fixed inside pipe is seted up the mounting groove with seal cover looks adaptation.
Compared with the prior art, the utility model provides the piston with good sealing effect, which has the following beneficial effects:
this sealed effectual piston, four mounting bars of fixedly connected with on the inner wall through fixed pipe, be convenient for fix a position the installation to four piston rings, the effectual holistic leakproofness of piston that has strengthened, inside through setting up fixed pipe is provided with and is used for carrying out the O type sealing washer sealed to the piston, be convenient for seal the bottom of piston, then one end of keeping away from O type sealing washer through setting up fixed inside is provided with and is used for carrying out the sealed seal cover to the piston, be convenient for seal the top of piston, sealed effectual advantage has been reached, it is not good to have solved the fixed effect of piston, lead to the poor problem of sealed effect.
Drawings
FIG. 1 is a cross-sectional view of the structure of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a top view of the structure of the present invention.
In the figure: the sealing device comprises a fixed pipe 1, a piston 2, a sealing assembly 3, a positioning plate 4, a mounting bar 5, a piston ring 6, an O-shaped sealing ring 7, a sealing sleeve 8, a fixing groove 9 and a mounting groove 10.
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, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, a piston with good sealing effect includes a fixed tube 1 and a piston 2, the piston 2 is disposed inside the fixed tube 1, and a sealing assembly 3 for sealing the piston 2 is disposed inside the fixed tube 1;
the sealing component 3 comprises piston rings 6, O-shaped sealing rings 7 and sealing sleeves 8, four piston rings 6 for sealing the piston 2 are arranged on the outer wall of the piston 2, the O-shaped sealing rings 7 for sealing the piston 2 are arranged in the fixed pipe 1, the sealing sleeves 8 for sealing the piston 2 are arranged at one end, far away from the O-shaped sealing rings 7, in the fixed pipe 1, the piston with good sealing effect is provided, the four mounting strips 5 are fixedly connected on the inner wall of the fixed pipe 1, so that the four piston rings 6 can be conveniently positioned and mounted, the whole sealing performance of the piston 2 is effectively enhanced, the O-shaped sealing rings 7 for sealing the piston 2 are arranged in the fixed pipe 1, so that the bottom of the piston 2 can be conveniently sealed, and the sealing sleeves 8 for sealing the piston 2 are arranged at one end, far away from the O-shaped sealing rings 7, in the fixed pipe 1, the top of the piston 2 is convenient to seal, and the advantage of good sealing effect is achieved.
It should be noted that fixed tube 1 is a hollow cylinder, and the internal diameter of one end inside fixed tube 1 is greater than the internal diameter of the other end inside fixed tube 1.
In this embodiment, the equal fixedly connected with locating plate 4 of the outside left and right sides of fixed pipe 1, locating plate 4 is the welding with the connected mode of fixed pipe 1, locating plate 4 through the outside left and right sides of fixed pipe 1, be convenient for fix fixed pipe 1 in the assigned position, fixedly connected with mounting bar 5 on the inner wall of fixed pipe 1, the quantity of mounting bar 5 is four, and even distribution is on the inner wall of fixed pipe 1, one side that fixed pipe 1 was kept away from to mounting bar 5 is oval, the draw-in groove that equals with the 5 external diameters of mounting bar is seted up to piston ring 6's inside, be convenient for fix a position the installation to four piston rings 6.
In this embodiment, fixed slot 9 that equals with O type sealing washer 7 external diameter is seted up to fixed pipe 1's inside, fixed slot 9 that equals with O type sealing washer 7 external diameter is seted up through fixed pipe 1's inside, be convenient for install O type sealing washer 7 inside fixed slot 9, fixed pipe 1 is inside to be kept away from the other end of fixed slot 9 and to be seted up the mounting groove 10 with 8 looks adaptations of seal cover, the mounting groove 10 with 8 looks adaptations of seal cover is seted up to the other end of keeping away from fixed slot 9 through fixed pipe 1 is inside, be convenient for install seal cover 8 inside mounting groove 10, the effectual steadiness of installing O type sealing washer 7 and seal cover 8 has been strengthened, thereby the holistic leakproofness of piston 2 has been improved.
This embodiment is when using, install O type sealing washer 7 inside fixed pipe 1 through fixed slot 9, fix fixed pipe 1 in the assigned position through locating plate 4, impress fixed pipe 1 with piston 2 inside again, rethread mounting bar 5 impresses four piston rings 6 respectively on the outer wall of piston 2 along four mounting bars 5, then install seal cover 8 inside fixed pipe 1 through mounting groove 10, be convenient for seal piston 2, reached sealed effectual advantage.
The beneficial effects of the above embodiment are as follows:
this sealed effectual piston, four mounting bars 5 of fixedly connected with on the inner wall through fixed pipe 1, be convenient for fix a position the installation to four piston rings 6, the effectual holistic leakproofness of piston 2 that has strengthened, inside through setting up fixed pipe 1 is provided with and is used for carrying out sealed O type sealing washer 7 to piston 2, be convenient for seal the bottom of piston 2, then one end of keeping away from O type sealing washer 7 through setting up fixed pipe 1 is provided with and is used for carrying out sealed seal cover 8 to piston 2, be convenient for seal the top of piston 2, sealed effectual advantage has been reached, it is not good to have solved the fixed effect of piston, lead to the problem of sealed poor effect.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, 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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a sealed effectual piston, is including fixed pipe (1) and piston (2), its characterized in that: a piston (2) is arranged in the fixed pipe (1), and a sealing assembly (3) for sealing the piston (2) is arranged in the fixed pipe (1);
seal assembly (3) are including piston ring (6), O type sealing washer (7) and seal cover (8), be provided with four piston ring (6) that are used for sealing up piston (2) on the outer wall of piston (2), the inside of fixed pipe (1) is provided with and is used for carrying out sealed O type sealing washer (7) to piston (2), the one end of keeping away from O type sealing washer (7) inside fixed pipe (1) is provided with and is used for carrying out sealed seal cover (8) to piston (2).
2. The piston with good sealing effect as claimed in claim 1, wherein: the fixed pipe (1) is a hollow cylinder, and the inner diameter of one end inside the fixed pipe (1) is larger than that of the other end inside the fixed pipe (1).
3. The piston with good sealing effect as claimed in claim 1, wherein: the fixed pipe (1) is characterized in that the left side and the right side of the outer portion of the fixed pipe (1) are fixedly connected with positioning plates (4), and the positioning plates (4) are welded with the fixed pipe (1) in a connecting mode.
4. The piston with good sealing effect as claimed in claim 1, wherein: fixedly connected with mounting bar (5) on the inner wall of fixed pipe (1), the quantity of mounting bar (5) is four, and even distribution is on the inner wall of fixed pipe (1).
5. The piston with good sealing effect as claimed in claim 4, wherein: one side of the mounting bar (5) far away from the fixed pipe (1) is oval, and a clamping groove with the same outer diameter as the mounting bar (5) is formed in the piston ring (6).
6. The piston with good sealing effect as claimed in claim 1, wherein: the fixed pipe is characterized in that a fixed groove (9) with the same outer diameter as the O-shaped sealing ring (7) is formed in the fixed pipe (1), and a mounting groove (10) matched with the sealing sleeve (8) is formed in the other end, far away from the fixed groove (9), of the fixed pipe (1).
CN202122927797.8U 2021-11-26 2021-11-26 Piston with good sealing effect Expired - Fee Related CN216240979U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202122927797.8U CN216240979U (en) 2021-11-26 2021-11-26 Piston with good sealing effect

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202122927797.8U CN216240979U (en) 2021-11-26 2021-11-26 Piston with good sealing effect

Publications (1)

Publication Number Publication Date
CN216240979U true CN216240979U (en) 2022-04-08

Family

ID=80958396

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202122927797.8U Expired - Fee Related CN216240979U (en) 2021-11-26 2021-11-26 Piston with good sealing effect

Country Status (1)

Country Link
CN (1) CN216240979U (en)

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GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20220408

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