CN208184848U - A kind of oil cylinder adjusting piston ring - Google Patents
A kind of oil cylinder adjusting piston ring Download PDFInfo
- Publication number
- CN208184848U CN208184848U CN201820444485.7U CN201820444485U CN208184848U CN 208184848 U CN208184848 U CN 208184848U CN 201820444485 U CN201820444485 U CN 201820444485U CN 208184848 U CN208184848 U CN 208184848U
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- CN
- China
- Prior art keywords
- ring
- fixed
- convex block
- annular groove
- groove
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- Expired - Fee Related
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- Pistons, Piston Rings, And Cylinders (AREA)
Abstract
The utility model discloses a kind of oil cylinder adjusting piston rings, including piston main body, the piston main body is internally provided with first of annular groove and second annular groove, described first fixed convex block is internally connected with the first fixed groove, the second annular groove is internally connected with second gas ring, the inside of described second fixed convex block and the second fixed groove is mounted on spring, and spring at front end is fixedly connected with magnet block, the piston main body is internally provided with third road annular groove, and scraping blade is installed inside third road annular groove, the upper scraping blade lower end is connected with grommet, and grommet lower end is connected with lower scraping blade, the piston main body is internally provided with pin hole, and piston main body is internally provided with oil leaking hole.A kind of oil cylinder is provided with the first fixed convex block with adjusting piston ring compression ring inner end, and compression ring can be fixed in annular groove, so that the aperture position of piston ring compression ring in transport or moving process is not shifted, improve the service performance of piston ring.
Description
Technical field
The utility model relates to oil cylinder fittings equipment technical field, specially a kind of oil cylinder adjusting piston ring.
Background technique
Piston ring is the becket for being embedded in inside piston groove, and piston ring is divided into two kinds: compression ring and machine oil ring, pressure
Contracting ring can be used to the burning mixture in sealing combustion room；Machine oil ring is then used to strike off machine oil extra on cylinder, piston ring
It is a kind of with the larger metallic elastic ring for expanding outwardly deformation, it is mounted in its corresponding annular groove of section, back and forth
With the piston ring of rotary motion, by the pressure difference of gas or liquid, at one of ring periphery and cylinder and ring and annular groove
Sealing is formed between side.
Existing piston ring be easy to cause the opened gap of compression ring larger during installation, causes compression ring that cannot play well
Sealing function, and be easy to rotate on piston after the installation of existing compression ring, cause the setting angle of compression ring to change, shadow
Ring the overall performance of piston ring.
Utility model content
The purpose of this utility model is to provide a kind of oil cylinder adjusting piston rings, to solve to mention in above-mentioned background technique
The problem of opened gap is larger during installation for compression ring in existing piston ring out, and the opening of compression ring is easy to happen offset.
To achieve the above object, the utility model provides the following technical solutions: a kind of oil cylinder adjusting piston ring, including
Piston main body, the piston main body are internally provided with first of annular groove and second annular groove, and first of annular groove and second ring
Slot is internally provided with the first fixed groove, and first of annular groove is internally connected with top compression ring, and top compression ring with
Second gas ring inner end is mounted on the first fixed convex block, and the described first fixed convex block is internally connected with the first fixed groove, institute
It states second annular groove and is internally connected with second gas ring, and be provided with through-hole inside top compression ring and second gas ring, institute
The left end for stating top compression ring and second gas ring is mounted on the second fixed convex block, and top compression ring and second gas ring
Right end is provided with the second fixed groove, and the inside of the described second fixed convex block and the second fixed groove is mounted on spring, and
Spring at front end is fixedly connected with magnet block, and the piston main body is internally provided with third road annular groove, and peace inside third road annular groove
Equipped with upper scraping blade, the upper scraping blade lower end is connected with grommet, and grommet lower end is connected with lower scraping blade, sets inside the piston main body
It is equipped with pin hole, and piston main body is internally provided with oil leaking hole.
Preferably, the through-hole is distributed uniformly and circumferentially the inside in top compression ring and second gas ring, and logical
The axis that hole is located at horizontal direction is overlapped with top compression ring with the horizontal axis of second gas ring.
Preferably, the geomery of the described first fixed convex block and the first fixed groove matches, and the first fixed convex block
It is corresponding with the first fixed groove position, and the first fixed convex block is symmetrically distributed in second gas ring and first in the horizontal direction
The inner end of road compression ring.
Preferably, the described second fixed convex block and the second fixed groove are pyramidal structure, and the second fixation convex block and the
The geomery of two fixed grooves matches.
Preferably, the magnet block is overlapped with the central axes of the second fixed convex block, and the size of magnet block is less than 1/2
Second fixed convex block area of section size.
Compared with prior art, the utility model has the beneficial effects that the oil cylinder is set with adjusting piston ring compression ring inner end
It is equipped with the first fixed convex block, compression ring can be fixed in annular groove, make the opening position of piston ring compression ring in transport or moving process
Setting will not shift, and improve the service performance of piston ring.The oil cylinder is internally provided with twice compression ring in adjusting piston ring
Compression ring can be fixed on inside annular groove by the first fixed convex block by the packing interaction of the first fixed convex block and the first fixed groove,
It avoids piston ring in transport or moving process since external force rotates compression ring, causes the aperture position of compression ring that position occurs
It moves, influences the service performance of piston ring, and the oil cylinder is provided with the of taper with twice compression ring left end in adjusting piston ring
Second fixed convex block can be cooperated during installation with the second fixed groove, compression ring is made during installation can by two fixed convex blocks
End-gaps are controlled, better seal effect can be played, are additionally provided with through-hole inside oil cylinder adjusting piston ring compression ring,
In piston ring work, oil ring strike off when machine oil extra on cylinder wall remaining machine oil can by the through-hole inside compression ring into
Enter to the inside of piston and work, increases the oil-control performance of piston ring, while the second fixed convex block and the second fixed groove
Inside has been respectively mounted spring, piston ring can be prevented when playing a supportive role to piston, is caused by the lateral pressure from cylinder wall
End-gaps reduce, and end-gaps are too small to make piston ring occur stuck and lose effect.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is the structural schematic diagram of the utility model top compression ring；
Fig. 3 is the utility model piston structure schematic diagram；
Fig. 4 is enlarged structure schematic diagram at A in the utility model Fig. 2.
In figure: 1, piston main body, 2, first of annular groove, 3, second annular groove, 4, third road annular groove, 5, grommet, 6, pin hole,
7, lower scraping blade, 8, upper scraping blade, 9, second gas ring, 10, top compression ring, 11, through-hole, the 12, first fixed convex block, 13, first
Fixed groove, 14, oil leaking hole, 15, spring, the 16, second fixed convex block, 17, magnet block, the 18, second fixed groove.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-4 is please referred to, the utility model provides a kind of technical solution: a kind of oil cylinder adjusting piston ring, including work
Main body 1 is filled in, piston main body 1 is internally provided with first of annular groove 2 and second annular groove 3, and first of annular groove 2 and second annular groove
3 are internally provided with the first fixed groove 13, and first of annular groove 2 be internally connected with top compression ring 10, and top compression ring 10
The first fixed convex block 12, the shape of the first fixed convex block 12 and the first fixed groove 13 are mounted on 9 inner end of second gas ring
Size matches, and the first fixed convex block 12 is corresponding with 13 position of the first fixed groove, and the first fixed convex block 12 is along water
Square to the inner end for being symmetrically distributed in second gas ring 9 Yu top compression ring 10, this structure can pass through the first fixed convex block 12
Top compression ring 10 and second gas ring 9 are separately fixed at first of annular groove by the packing interaction between the first fixed groove 13
2 with the inside of second annular groove 3, during avoiding transporting in piston ring or being mobile, compression ring stress opening direction position is easy
It is subjected to displacement, the first fixed convex block 12 is internally connected with the first fixed groove 13, and second annular groove 3 is internally connected with second gas
Ring 9, and it is provided with through-hole 11 inside top compression ring 10 and second gas ring 9, through-hole 11 is distributed uniformly and circumferentially
The inside of top compression ring 10 and second gas ring 9, and through-hole 11 is located at the axis and top compression ring 10 and the of horizontal direction
The horizontal axis of two compression rings 9 is overlapped, this structure can make piston ring at work, and the oil of the 10%-20% of compression ring control can
The inside that piston main body 1 is entered by the through-hole 11 on top compression ring 10 and second gas ring 9, increases machine oil and enters work
The range of main body 1 is filled in, so as to increase the oil-control performance of piston ring, top compression ring 10 and the left end of second gas ring 9 are equal
Second fixed convex block 16 is installed, and the right end of top compression ring 10 and second gas ring 9 is provided with the second fixed groove 18,
Second fixed convex block 16 and the second fixed groove 18 are pyramidal structure, and the second fixation convex block 16 and the second fixed groove 18
Geomery matches, this structure can be controlled by the packing interaction between the second fixed convex block 16 and the second fixed groove 18
End-gaps between compression ring avoid occurring the excessive phenomenon of end-gaps during the installation process, and the sealing for enhancing piston ring is made
With, and pyramidal structure facilitates compression ring to be dismantled, the inside of the second fixed convex block 16 and the second fixed groove 18 is mounted on bullet
Spring 15, and 15 front end of spring is fixedly connected with magnet block 17, magnet block 17 is overlapped with the central axes of the second fixed convex block 16, and magnetic
The size of iron block 17 can be such that magnet block 17 does not do less than 1/2 second fixed 16 area of section size of convex block, this structure
The overall performance of piston ring is related to, and attracting to be convenient for the second fixed convex block 16 to be fixed on second solid by magnetic force between magnet block 17
Determine the inside of groove 18, piston main body 1 is internally provided with third road annular groove 4, and is equipped with scraping blade 8 inside third road annular groove 4,
Upper 8 lower end of scraping blade is connected with grommet 5, and 5 lower end of grommet is connected with lower scraping blade 7, and piston main body 1 is internally provided with pin hole 6, and living
Plug main body 1 is internally provided with oil leaking hole 14.
Piston main body 1: when using oil cylinder adjusting piston ring, being horizontally arranged by working principle first, then will lining
Ring 5 is mounted on the inside of third road annular groove 4, and the interface of grommet 5 is made to be staggered the position of pin hole 6, then by thumb by grommet 5
Interface is pinned, and the interface of the opening of lower scraping blade 7 and grommet 5 is staggered to the right 90 °, and complete cycle is packed into, then opening upper scraping blade 8
It is staggered to the left 90 ° at mouthful with the interface of grommet 5, complete cycle is packed into, and checks that can piston ring flexibly turn in circumferencial direction after assembly
It is dynamic, then the opening of second gas ring 9 is staggered 90 ° to the left along the opening of lower scraping blade 7 and is fitted into second annular groove 3, gently
Light to squeeze second gas ring 9, the inside for making the second fixed convex block 16 be inserted into the second fixed groove 18 is cooperated, solid by second
The magneticaction for determining the 18 inner end magnet block 17 of magnet block 17 and the second fixed groove of 16 front end of convex block, by the second fixed convex block 16
It is fixed on the inside of the second fixed groove 18, controls the end-gaps of second gas ring 9, then checks 9 energy of second gas ring
No flexible rotating checks and the opening of second gas ring 9 is gone back to original place well, presses lightly on second gas ring 9, makes first to fix
Convex block 12 is cooperated with the first fixed groove 13, fixes the position of second gas ring 9, will not be shifted, then by
The opening of one of compression ring 10 is staggered 180 ° along 9 opening of second gas ring and is packed into first of annular groove 2, then according to second
The installation steps of compression ring 9 install top compression ring 10, after assembling piston ring, when piston ring works, due to by from gas
The lateral pressure of casing wall, it is possible to the end-gaps of piston ring can be made to reduce, in the first fixed convex block 12 and the first fixed groove 13
The spring 15 in portion enhances the elasticity of compression ring, makes the end-gaps of compression ring will not be too small, while the 10%-20% of compression ring control
Oil can enter the inside of piston main body 1 by the through-hole 11 on top compression ring 10 and second gas ring 9, increase machine oil into
Enter the range of piston main body 1, so as to the oil-control performance of chemokine plug ring, here it is a kind of oil cylinder adjusting piston rings
The course of work.
Although the utility model is described in detail with reference to the foregoing embodiments, come for those skilled in the art
Say, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic into
Row equivalent replacement, within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on should all
It is included within the scope of protection of this utility model.
Claims (5)
1. a kind of oil cylinder adjusting piston ring, including piston main body (1), it is characterised in that: set inside the piston main body (1)
It is equipped with first of annular groove (2) and second annular groove (3), and first of annular groove (2) and second annular groove (3) are internally provided with the
One fixed groove (13), first of annular groove (2) are internally connected with top compression ring (10), and top compression ring (10) and the
Two compression rings (9) inner end is mounted on first fixed convex block (12), and it is solid that described first fixed convex block (12) are internally connected with first
Determine groove (13), the second annular groove (3) is internally connected with second gas ring (9), and top compression ring (10) and second
It is provided with through-hole (11) inside compression ring (9), the left end of the top compression ring (10) and second gas ring (9) is mounted on the
Two fixed convex block (16), and top compression ring (10) and the right end of second gas ring (9) are provided with the second fixed groove (18),
The inside of described second fixed convex block (16) and the second fixed groove (18) is mounted on spring (15), and spring (15) front end is solid
Surely it is connected with magnet block (17), the piston main body (1) is internally provided with third road annular groove (4), and third road annular groove (4) is internal
It being equipped with scraping blade (8), upper scraping blade (8) lower end is connected with grommet (5), and grommet (5) lower end is connected with lower scraping blade (7),
The piston main body (1) is internally provided with pin hole (6), and piston main body (1) is internally provided with oil leaking hole (14).
2. a kind of oil cylinder adjusting piston ring according to claim 1, it is characterised in that: the through-hole (11) is circumferentially
Direction is evenly distributed on the inside of top compression ring (10) Yu second gas ring (9), and through-hole (11) is located at the axis of horizontal direction
Line is overlapped with top compression ring (10) with the horizontal axis of second gas ring (9).
3. a kind of oil cylinder adjusting piston ring according to claim 1, it is characterised in that: the described first fixed convex block
(12) geomery with the first fixed groove (13) matches, and first fixed convex block (12) and the first fixed groove (13) position
Set corresponding, and first fixed convex block (12) are symmetrically distributed in second gas ring (9) and top compression ring in the horizontal direction
(10) inner end.
4. a kind of oil cylinder adjusting piston ring according to claim 1, it is characterised in that: the described second fixed convex block
It (16) is pyramidal structure with the second fixed groove (18), and the shape of the second fixed convex block (16) and the second fixed groove (18)
Size matches.
5. a kind of oil cylinder adjusting piston ring according to claim 1, it is characterised in that: the magnet block (17) and the
The central axes of two fixed convex block (16) are overlapped, and the size of magnet block (17) is less than 1/2 second fixed convex block (16) section
Size.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820444485.7U CN208184848U (en) | 2018-03-30 | 2018-03-30 | A kind of oil cylinder adjusting piston ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820444485.7U CN208184848U (en) | 2018-03-30 | 2018-03-30 | A kind of oil cylinder adjusting piston ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208184848U true CN208184848U (en) | 2018-12-04 |
Family
ID=64435671
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820444485.7U Expired - Fee Related CN208184848U (en) | 2018-03-30 | 2018-03-30 | A kind of oil cylinder adjusting piston ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208184848U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113250930A (en) * | 2021-04-29 | 2021-08-13 | 顾亚辉 | Double-cylinder vacuum pump |
-
2018
- 2018-03-30 CN CN201820444485.7U patent/CN208184848U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113250930A (en) * | 2021-04-29 | 2021-08-13 | 顾亚辉 | Double-cylinder vacuum pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181204 Termination date: 20190330 |