CN210919427U - Piston with bionic tile-covered structure - Google Patents
Piston with bionic tile-covered structure Download PDFInfo
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- CN210919427U CN210919427U CN201921824402.8U CN201921824402U CN210919427U CN 210919427 U CN210919427 U CN 210919427U CN 201921824402 U CN201921824402 U CN 201921824402U CN 210919427 U CN210919427 U CN 210919427U
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Abstract
The utility model discloses a piston with a bionic tile-covered structure, which comprises an elastic piston, wherein the bionic tile-covered structure is processed on the contact surface of the elastic piston and a cylinder sleeve and is arranged in a one-way or two-way manner; the bionic tile-covered structure is composed of a plurality of tile-shaped pieces which are uniformly distributed at equal intervals. The utility model provides a piston with bionical tile column structure of covering, through the bionical tile column structure of covering of piston surface machining who makes at elastic material, improve piston wearability, lubricity, thermal diffusivity and sealing performance to extension piston life.
Description
Technical Field
The utility model relates to an elastic piston technical field, more specifically the piston that says so relates to a bionical tile-covered column structure that has.
Background
A piston made of rubber, nylon, polyurethane and the like serves as one of core parts of the reciprocating pump. And the working medium with pressure is injected into the interior of the wellhead through the reciprocating motion of the piston in the cylinder sleeve. The surface of the piston is abraded due to the self abrasion of the piston and impurities existing between the friction pairs, the continuity of a lubricating oil film between the piston and the cylinder sleeve is damaged, the friction heat generated by the self reciprocating motion of the piston reduces the abrasion resistance of the piston, and the service life of the piston is shortened. The abrasion of the piston not only shortens the service life, but also reduces the sealing property and the lubricating property of the piston, so that the abrasion of the piston is more aggravated, and the replacement period of the piston is seriously influenced.
According to statistics, the piston consumption of the petroleum drilling industry in China reaches billions of yuan every year, and the main failure mode of the piston in the using process is surface abrasion.
The flower of the plant comprises a rotating shape and a covering tile shape, wherein the rotating shape means that one side of each piece of the petal or sepal covers the edge of the adjacent piece, and the other side is covered by one side of the other adjacent piece, such as cotton and morning glory. The imbricate and rotation shapes are similar, but one or two of the petals or sepals are completely outside, and the other is completely inside, such as the flowers of rape and roses.
Therefore, the problem that needs to be solved by the technical personnel in the field is how to provide a piston with a bionic tile-shaped structure, which can improve the wear resistance of the piston and prolong the service life.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a piston with bionical tile column structure that covers, through the bionical tile column structure that covers of piston surface machining who makes at elastic material, improve piston wearability, lubricity, thermal diffusivity and sealing performance to extension piston life.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a piston with a bionic tile-covered structure comprises an elastic piston, wherein the bionic tile-covered structure is processed on the contact surface of the elastic piston and a cylinder sleeve and is arranged in a unidirectional or bidirectional mode; the bionic tile-covered structure is composed of a plurality of tile-shaped pieces which are uniformly distributed at equal intervals.
Preferably, in the piston with the bionic tile-covered structure, one end of the elastic piston, which is provided with the chamfer, is a top end, and the other end of the elastic piston is a bottom end; the distance between the tile-covered structure and the bottom end of the elastic piston is L1, the distance between the tile-covered structure and the top end of the elastic piston is L2, and L1 and L2 are 0.1-1.0 times of the wall thickness H of the elastic piston.
Preferably, in the piston with the bionic tile-shaped structure, the distance between adjacent tiles is D2, and D2 is 0.5-2 times of L1 or L2.
Preferably, in the piston with the bionic tile-shaped structure, the width of the top end of the tile-shaped piece is D1, and D1 is 1-3 times of D2.
Preferably, in the piston with the bionic tile-shaped structure, the tile-shaped part is a tile-shaped part with a section having a radian.
Preferably, in the piston with the bionic tile-shaped structure, the radius of the outer arc of the tile-shaped part is R1, and R1 is 3-7 times of L1; the radius of the outer arc of the tile-shaped piece is R2, and R2 is 0.4-0.8 times of R1.
Preferably, in the piston with the bionic tile-shaped structure, the cross section of the tile-shaped piece is linear, and the included angle between the tile-shaped piece and the axis of the elastic piston is α and is 30 degrees.
Preferably, in the piston with the bionic tile-shaped structure, the elastic piston is made of rubber, nylon or polyurethane.
Preferably, in the piston with the bionic tile-shaped structure, the bionic tile-shaped structure is manufactured by a processing mode of die or wire cutting.
Preferably, in the piston with the bionic tile-shaped structure, a piston rod connecting hole is processed in the center of the elastic piston, and the elastic piston is fixedly connected with the piston rod through a bolt.
According to the above technical scheme, compare with prior art, the utility model provides a piston with bionical tile column structure that covers at elastic piston surface machining, and adjacent having elastic tile column structure dispersible elastic piston surface pressure that covers improves the piston wearability to cover tile column structure and increase elastic piston heat radiating area, reduce the influence of thermal fatigue effect to elastic piston wearability, further improve the wearability of piston, thereby improve piston leakproofness.
The utility model discloses a cover tile column structure at elastic piston surface machining, increased the lubricating oil memory space between elastic piston and the cylinder liner, for the elastic piston surface provides abundant lubricating oil, improve elastic piston's lubricity and heat dispersion, also can hold impurity simultaneously, reduce the wearing and tearing to elastic piston and cylinder liner surface.
The reciprocating linear motion of the elastic piston and the elastic tile-covered structure enable lubricating oil in the tile-covered structure to form a lubricating oil film which is uniformly and continuously distributed and has pressure on the surface of the piston, improve the lubricating condition of the piston, improve the wear resistance and the sealing property of the piston, prolong the service life of the piston and reduce the social and economic losses caused by piston abrasion.
The utility model discloses but industrial fields such as wide application oil drilling, civilian well drilling.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a schematic view of an installation according to an embodiment;
FIG. 2 is a schematic structural diagram according to a second embodiment;
FIG. 3 is an enlarged view of portion A of FIG. 2;
FIG. 4 is an enlarged view of portion B of FIG. 2;
FIG. 5 is a schematic structural view of an elastic piston with an overlying tile structure arranged in two directions;
FIG. 6 is an enlarged view of portion C of FIG. 5;
fig. 7 is a schematic view of the shoe cross-section as linear at an angle α to the axis of the elastomeric piston.
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 one
The elastic piston 3 with the bionic tile-covered structure on the surface is applied to the field of slurry pump industry, and the linear inclined bionic tile-covered structure is prepared on the surface of the elastic piston 3 through a turning method. Before installation, the surface of the elastic piston 3 is uniformly coated with lubricating oil or lubricating grease, the elastic piston is connected with the piston rod 1 in a bolt connection mode, and a nut 5 at the top end of the piston rod 1 is screwed down.
A piston with a bionic tile-covered structure comprises an elastic piston 3, wherein the bionic tile-covered structure is processed on the contact surface of the elastic piston 3 and a cylinder sleeve 2 and is arranged in a unidirectional or bidirectional mode; the bionic tile-covered structure consists of a plurality of tile-shaped pieces which are uniformly distributed at equal intervals.
In order to further optimize the technical scheme, one end of the elastic piston 3, which is provided with a chamfer, is a top end, and the other end of the elastic piston is a bottom end; the distance between the tile-shaped structure and the bottom end of the elastic piston 3 is L1, the distance between the tile-shaped structure and the top end of the elastic piston 3 is L2, and L1 and L2 are 0.5 times of the wall thickness H of the elastic piston 3.
In order to further optimize the technical scheme, the distance between the adjacent tiles is D2, and D2 is 1 time of L1 or L2.
In order to further optimize the technical scheme, the width of the top end of the tile-shaped piece is D1, and D1 is 2 times of D2.
In order to further optimize the solution, the cross-section of the tile is rectilinear, making an angle α of 30 ° with the axis of the elastic piston 3.
In order to further optimize the above technical solution, the elastic piston 3 is made of rubber or nylon or polyurethane.
In order to further optimize the technical scheme, a piston rod connecting hole is machined in the center of the elastic piston 3, and the elastic piston 3 is fixedly connected with the piston rod 1 through a bolt.
Example two
The bionic tile-covered structure is manufactured by a mould processing mode.
A piston with a bionic tile-covered structure comprises an elastic piston 3, wherein the bionic tile-covered structure is processed on the contact surface of the elastic piston 3 and a cylinder sleeve 2 and is arranged in a unidirectional or bidirectional mode; the bionic tile-covered structure consists of a plurality of tile-shaped pieces which are uniformly distributed at equal intervals.
In order to further optimize the technical scheme, one end of the elastic piston 3, which is provided with a chamfer, is a top end, and the other end of the elastic piston is a bottom end; the distance between the tile-shaped structure and the bottom end of the elastic piston 3 is L1, the distance between the tile-shaped structure and the top end of the elastic piston 3 is L2, and L1 and L2 are 0.6 times of the wall thickness H of the elastic piston 3.
In order to further optimize the technical scheme, the distance between the adjacent tiles is D2, and D2 is 1 time of L1 or L2.
In order to further optimize the technical scheme, the width of the top end of the tile-shaped piece is D1, and D1 is 2 times of D2.
In order to further optimize the technical scheme, the tile-shaped piece is a tile-shaped piece with a radian in the cross section.
In order to further optimize the technical scheme, the radius of the outer arc of the tile-shaped piece is R1, and R1 is 4 times of L1; the outer arc radius of the tile is R2, and R2 is 0.5 times R1.
In order to further optimize the above technical solution, the elastic piston 3 is made of rubber or nylon or polyurethane.
In order to further optimize the technical scheme, a piston rod connecting hole is machined in the center of the elastic piston 3, and the elastic piston 3 is fixedly connected with the piston rod 1 through a bolt.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A piston with a bionic tile-covered structure is characterized by comprising an elastic piston, wherein the bionic tile-covered structure is processed on the contact surface of the elastic piston and a cylinder sleeve and is arranged in a unidirectional or bidirectional mode; the bionic tile-covered structure is composed of a plurality of tile-shaped pieces which are uniformly distributed at equal intervals.
2. The piston with the bionic tile-shaped structure according to claim 1, wherein the end of the elastic piston which is provided with the chamfer is a top end, and the other end of the elastic piston is a bottom end; the distance between the tile-covered structure and the bottom end of the elastic piston is L1, the distance between the tile-covered structure and the top end of the elastic piston is L2, and L1 and L2 are 0.1-1.0 times of the wall thickness H of the elastic piston.
3. The piston with the bionic tile-shaped structure as claimed in claim 2, wherein the distance between adjacent tiles is D2, and D2 is 0.5-2 times of L1 or L2.
4. The piston with the bionic tile-shaped structure as claimed in claim 3, wherein the width of the top end of the tile-shaped piece is D1, and D1 is 1-3 times of D2.
5. The piston with bionic tile-shaped structure as claimed in claim 2, wherein the tile-shaped part is a tile-shaped part with a section having a radian.
6. The piston with the bionic tile-shaped structure as claimed in claim 5, wherein the radius of the outer arc of the tile-shaped piece is R1, R1 is 3-7 times of L1; the radius of the outer arc of the tile-shaped piece is R2, and R2 is 0.4-0.8 times of R1.
7. The piston with bionic tile-shaped structure as claimed in claim 1, wherein the cross section of the tile-shaped piece is linear, and the included angle between the tile-shaped piece and the axis of the elastic piston is α and is 30 degrees.
8. The piston with the bionic tile-shaped structure as claimed in claim 1, wherein the elastic piston is made of rubber, nylon or polyurethane.
9. The piston with the bionic tile-shaped structure is characterized in that the bionic tile-shaped structure is manufactured by a processing mode of a mould or wire cutting.
10. The piston with the bionic tile-shaped structure according to claim 1 is characterized in that a piston rod connecting hole is machined in the center of the elastic piston, and the elastic piston is fixedly connected with the piston rod through a bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921824402.8U CN210919427U (en) | 2019-10-28 | 2019-10-28 | Piston with bionic tile-covered structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921824402.8U CN210919427U (en) | 2019-10-28 | 2019-10-28 | Piston with bionic tile-covered structure |
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| Publication Number | Publication Date |
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| CN210919427U true CN210919427U (en) | 2020-07-03 |
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| CN201921824402.8U Active CN210919427U (en) | 2019-10-28 | 2019-10-28 | Piston with bionic tile-covered structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110761988A (en) * | 2019-10-28 | 2020-02-07 | 吉林大学 | Piston with bionic tile-covered structure |
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2019
- 2019-10-28 CN CN201921824402.8U patent/CN210919427U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110761988A (en) * | 2019-10-28 | 2020-02-07 | 吉林大学 | Piston with bionic tile-covered structure |
| CN110761988B (en) * | 2019-10-28 | 2024-08-16 | 吉林大学 | Piston with bionic covering tile structure |
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