CN212202398U - Combined piston ring set with polygonal wave plate supporting spring - Google Patents
Combined piston ring set with polygonal wave plate supporting spring Download PDFInfo
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- CN212202398U CN212202398U CN202020300867.XU CN202020300867U CN212202398U CN 212202398 U CN212202398 U CN 212202398U CN 202020300867 U CN202020300867 U CN 202020300867U CN 212202398 U CN212202398 U CN 212202398U
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- wave plate
- supporting spring
- plate supporting
- piston
- compression
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Abstract
The utility model discloses a combination formula piston ring group with multiangular wave plate supporting spring, including cylinder liner and piston, and the piston pegs graft in the cylinder liner inner chamber and with cylinder liner sliding connection, the piston periphery has seted up a plurality of groups compression ring groove, piston ring group is all installed to every group compression ring groove inner chamber, piston ring group includes a piece of multiangular wave plate supporting spring and two compression rings, and two compression rings superpose each other and set up, multiangular wave plate supporting spring inner wall and compression ring groove bottom looks butt, two compression ring inner walls and multiangular wave plate supporting spring outer wall looks butt, compression ring outer wall and cylinder liner inner wall looks butt, the utility model discloses through install the piston ring group that a piece of multiangular wave plate supporting spring and two compression rings formed in the compression ring groove, make piston head motion state stable, eliminate the sound of pounding; and the integral sealing performance of the compressor can be improved, and the working efficiency and the service life of the compressor are further improved.
Description
Technical Field
The utility model relates to a compressor technical field specifically is a combination formula piston ring group with multiangular wave plate expanding spring.
Background
At present, most of domestic piston compressors adopt single-ring single grooves, namely a piston ring is arranged in one ring groove, 2-4 rings are arranged in one cylinder, and ring openings are staggered with each other to play a role in sealing.
Then, in practical use, the ring structure has the following disadvantages: 1. along with the prolonging of the service time of the compressor, the gap of the ring opening is gradually increased, and the air leakage phenomenon occurs; 2. the compressor piston head is unstable in movement state support, and knocking sound can be generated when the piston collides with a cylinder body. Based on this, the utility model designs a combination formula piston ring group with multiangular wave plate expanding spring to solve above-mentioned problem.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a combination formula piston ring group with multiangular wave plate props spring to solve above-mentioned technical problem.
In order to achieve the above object, the utility model provides a following technical scheme: a combined piston ring group with a polygonal wave plate supporting spring comprises a cylinder sleeve and a piston, wherein the piston is inserted into an inner cavity of the cylinder sleeve and is in sliding connection with the cylinder sleeve;
piston ring group includes a slice multiangular wave plate supporting spring and two compression rings, and two mutual stack settings of compression ring, multiangular wave plate supporting spring inner wall and compression ring slot bottom looks butt, two compression ring inner wall and multiangular wave plate supporting spring outer wall looks butt, compression ring outer wall and cylinder liner inner wall looks butt.
Preferably, the outer wall of the compression ring is subjected to DLC coating treatment.
Preferably, first openings are formed in the compression rings, and the two groups of first openings are staggered by 180 degrees when the two compression rings are overlapped.
Preferably, the polygonal wave plate supporting spring is provided with a second opening, and when the polygonal wave plate supporting spring is installed, the second opening and the two groups of first openings are arranged in a staggered mode by 90 degrees.
Preferably, the polygonal wave plate supporting spring is made of 65Mn steel material, and the sectional shape of the polygonal wave plate supporting spring is a wave straight plate structure.
Compared with the prior art, the beneficial effects of the utility model are that:
the piston ring group formed by installing the multi-angle wave plate supporting spring and the two compression rings is installed in the compression ring groove, so that the motion state of the piston head can be kept stable, and knocking sound is eliminated; and the integral sealing performance of the compressor can be improved, and the working efficiency and the service life of the compressor are further improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced 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 that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of the structure at A in FIG. 1;
fig. 3 is a schematic top view of the present invention;
fig. 4 is a schematic structural view of the polygonal wave plate supporting spring of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1-cylinder sleeve, 2-piston, 3-compression ring groove, 4-piston ring group, 5-polygonal wave plate supporting spring, 501-second opening, 6-compression ring, 601-DLC coating and 602-first opening.
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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: a combined piston ring group with a polygonal wave plate supporting spring comprises a cylinder sleeve 1 and a piston 2, wherein the piston 2 is inserted into an inner cavity of the cylinder sleeve 1 and is in sliding connection with the cylinder sleeve 1, a plurality of groups of compression ring grooves 3 are formed in the periphery of the piston 2, and a piston ring group 4 is installed in the inner cavity of each group of compression ring grooves 3;
the piston ring group 4 comprises a piece of polygonal wave plate supporting spring 5 and two compression rings 6, the two compression rings 6 are arranged in a mutual overlapping mode, the inner wall of the polygonal wave plate supporting spring 5 is in butt joint with the bottom of the compression ring groove 3, the inner walls of the two compression rings 6 are in butt joint with the outer wall of the polygonal wave plate supporting spring 5, and the outer wall of each compression ring 6 is in butt joint with the inner wall of the cylinder sleeve 1.
Specifically, the outer wall of the compression ring 6 is subjected to DLC coating 601 treatment, and the DLC is used for treating the low friction coefficient of the surface of the compression ring, so that the friction and wear are reduced, and the service life of the compression ring and the cylinder sleeve is greatly prolonged.
Specifically, the compression ring 6 is provided with first openings 602, and the two sets of first openings 602 are staggered by 180 degrees when the two compression rings 6 are stacked.
Specifically, the second opening 501 is formed in the polygonal wave plate supporting spring 5, and when the polygonal wave plate supporting spring 5 is installed, the second opening 501 and the two sets of first openings 602 are staggered by 90 degrees, and the installation structure can generate a labyrinth effect, so that the sealing performance is greatly improved, and air leakage is reduced.
Specifically, the polygonal wave plate supporting spring 5 is made of 65Mn steel materials, the section of the polygonal wave plate supporting spring 5 is in a wave straight plate structure, the polygonal wave plate supporting spring is equivalent to a pressure spring at the inner side, and when the head of the piston swings to knock the cylinder sleeve, reaction force can be generated, swing is reduced, and knocking sound is eliminated.
One specific application example of this embodiment is:
the device is a combined piston ring group with a polygonal wave plate supporting spring, when in installation, the polygonal wave plate supporting spring 5 is sleeved at the bottom of a compression ring groove 3 of a piston 2 through a second opening 501 of the polygonal wave plate supporting spring 5, then two groups of compression rings 6 are sequentially sleeved on the outer wall of the polygonal wave plate supporting spring 5 by increasing a first opening 602, so that the outer wall of each compression ring 6 is abutted against the inner wall of a cylinder sleeve 1, and the outer wall of each compression ring 6 is coated with a DLC coating 601;
then, the positions between the polygonal wave plate supporting spring 5 and the two compression rings 6 are adjusted, so that the first openings 602 of the two compression rings 6 are arranged at an angle of 180 degrees, and the second openings 501 of the polygonal wave plate supporting spring 5 and the two groups of first openings 602 are arranged at an angle of 90 degrees, thereby completing the installation of the piston ring group 4.
In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.
Although embodiments of the present invention have been shown and described, it would be appreciated by those skilled in the art that changes may be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the claims and their equivalents.
Claims (5)
1. The utility model provides a combination formula piston ring group with multiangular ripples board expanding spring, includes cylinder liner (1) and piston (2), and piston (2) peg graft in cylinder liner (1) inner chamber and with cylinder liner (1) sliding connection, a plurality of groups compression ring groove (3), its characterized in that have been seted up to piston (2) periphery: piston ring groups (4) are arranged in the inner cavity of each group of compression ring grooves (3);
piston ring group (4) include a slice multiangular wave plate supporting spring (5) and two compression rings (6), and two compression rings (6) superpose the setting each other, multiangular wave plate supporting spring (5) inner wall and compression ring groove (3) tank bottom looks butt, two compression ring (6) inner wall and multiangular wave plate supporting spring (5) outer wall looks butt, compression ring (6) outer wall and cylinder liner (1) inner wall looks butt.
2. The combined piston ring set with the multi-angle wave plate supporting spring as claimed in claim 1, wherein: the outer wall of the compression ring (6) is processed by DLC coating (601).
3. The combined piston ring set with the multi-angle wave plate supporting spring as claimed in claim 1, wherein: first openings (602) are formed in the compression rings (6), and the two sets of first openings (602) are staggered by 180 degrees when the two compression rings (6) are overlapped.
4. The combined piston ring set with the multi-angle wave plate supporting spring as claimed in claim 3, wherein: and a second opening (501) is formed in the polygonal wave plate supporting spring (5), and when the polygonal wave plate supporting spring (5) is installed, the second opening (501) and the two groups of first openings (602) are arranged in a staggered mode by 90 degrees.
5. The combined piston ring set with the multi-angle wave plate supporting spring as claimed in claim 1, wherein: the polygonal wave plate supporting spring (5) is made of 65Mn steel materials, and the section shape of the polygonal wave plate supporting spring (5) is a wave straight plate structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020300867.XU CN212202398U (en) | 2020-03-12 | 2020-03-12 | Combined piston ring set with polygonal wave plate supporting spring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020300867.XU CN212202398U (en) | 2020-03-12 | 2020-03-12 | Combined piston ring set with polygonal wave plate supporting spring |
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| Publication Number | Publication Date |
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| CN212202398U true CN212202398U (en) | 2020-12-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020300867.XU Active CN212202398U (en) | 2020-03-12 | 2020-03-12 | Combined piston ring set with polygonal wave plate supporting spring |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022152149A1 (en) * | 2021-01-15 | 2022-07-21 | 强莉莉 | Labyrinth-type sealed piston assembly |
-
2020
- 2020-03-12 CN CN202020300867.XU patent/CN212202398U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022152149A1 (en) * | 2021-01-15 | 2022-07-21 | 强莉莉 | Labyrinth-type sealed piston assembly |
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