CN209293991U - A kind of improved connection structure of piston of reciprocating compressor - Google Patents
A kind of improved connection structure of piston of reciprocating compressor Download PDFInfo
- Publication number
- CN209293991U CN209293991U CN201821902823.3U CN201821902823U CN209293991U CN 209293991 U CN209293991 U CN 209293991U CN 201821902823 U CN201821902823 U CN 201821902823U CN 209293991 U CN209293991 U CN 209293991U
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- piston
- pressure stage
- connection structure
- ring flange
- reciprocating compressor
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Abstract
The utility model relates to reciprocating compressor fields, more particularly to a kind of improved connection structure of piston of reciprocating compressor, ring flange including hiigh pressure stage piston, low-pressure stage piston and ring structure, the ring flange annular region is equipped with the axial bolts for connecting with the low-pressure stage piston, annular convex platform is equipped in the middle part of the ring flange, the annular convex platform side wall offers several radial screw bores, and radial bolts are equipped, the hiigh pressure stage piston offers and the matched connecting hole of the radial screw bore.The improved connection structure on ring flange by extending the annular convex platform of piston axial direction, then piston rod is positioned from the direction vertical with piston motion direction, reduce the phenomenon that piston causes axial bolts to loosen because of reciprocating motion, to improve the connection reliability of hiigh pressure stage piston and low-pressure stage piston.
Description
Technical field
The utility model relates to reciprocating compressor field, the Innovation of Connection knot of especially a kind of piston of reciprocating compressor
Structure.
Background technique
High-pressure compressor, which needs to carry out multi-stage compression, can just be compressed to required pressure, as shown in Figure 1, hiigh pressure stage is living
Plug 1 is typically all to be connected on low-pressure stage piston 2 with ring flange 3, is parallel to hiigh pressure stage piston 1 equipped with several on ring flange 3
The axial bolts 4 of axis, for ring flange 3 to be fixed to low-pressure stage piston 2, so that hiigh pressure stage piston 1 is fixed to low pressure
On grade piston 2.But in the long-term reciprocatory movement of piston, axial bolts 4 easily loosen, and cause hiigh pressure stage piston 1 at it
Moved in corresponding cylinder it is unstable, occur piston and cylinder plucking, may be damaged cylinder and piston when serious.
Utility model content
The goal of the invention of the utility model is: for the prior art, there are pistons in long-term reciprocatory movement, holds
Easily there is axial bolts loosening, cause hiigh pressure stage piston to move in its corresponding cylinder unstable, piston or cylinder occurs
Plucking damages cylinder and the problem of piston, provides a kind of improved connection structure of piston of reciprocating compressor, the connection when serious
Structure is improved by extending the annular convex platform of piston axial direction on ring flange, then from vertical with piston motion direction
Piston rod is positioned on direction, reduces the phenomenon that piston causes axial bolts to loosen because of reciprocating motion, to improve
The connection reliability of hiigh pressure stage piston and low-pressure stage piston.
To achieve the goals above, the technical solution adopted in the utility model are as follows:
A kind of improved connection structure of piston of reciprocating compressor, including hiigh pressure stage piston, low-pressure stage piston and ring junction
The ring flange of structure, the ring flange annular region are equipped with the axial bolts for connecting with the low-pressure stage piston, the flange
Annular convex platform is equipped in the middle part of disk, the annular convex platform side wall offers several radial screw bores, and is equipped with radial bolts, described
Hiigh pressure stage piston side wall offers and the matched connecting hole of the radial screw bore.
The improved connection structure remains the axial bolts connection of original structure, extends annular convex platform in ring flange center,
And match auger shell pit with hiigh pressure stage piston rod, hiigh pressure stage piston is connected from the vertical direction in hiigh pressure stage piston motion direction
It connects, so that the connection of hiigh pressure stage piston and ring flange is more stable, axial bolt looseness in reciprocating motion is avoided to bring cylinder, work
The serious problems such as plug damage, improve the connection reliability of hiigh pressure stage piston Yu low-pressure stage piston.
As a preferred embodiment of the present invention, the annular convex platform is relative to the height of the lower end surface of ring flange in 20mm
To between 25mm.What the height of annular convex platform was set as between 20mm-25mm capable of guaranteeing threaded hole opens up position.
As a preferred embodiment of the present invention, the thickness of the annular convex platform is between 10mm to 15mm.Annular convex platform
Thickness can guarantee its bonding strength between 10mm to 15mm so that piston operational process have enough safety
Degree.
As a preferred embodiment of the present invention, several radial screw bores are arranged at an equal altitude, and several radial screw bores
Projection in the horizontal plane is equiangularly arranged.It is contour, be evenly arranged radial screw bore so that between hiigh pressure stage piston and flange
It connects more stable, reliable.
As a preferred embodiment of the present invention, the radial screw bore and adjacent diameter is to the axis angle of threaded hole
90 degree.
As a preferred embodiment of the present invention, the outer radial wall threaded hole endface of the annular convex platform is disposed as
Plane.It is set as the installation that plane is more conducive to radial bolts.
In conclusion by adopting the above-described technical solution, the beneficial effects of the utility model are:
The improved connection structure remains the axial bolts connection of original structure, extends annular convex platform in ring flange center,
And match auger shell pit with hiigh pressure stage piston rod, hiigh pressure stage piston is connected from the vertical direction in hiigh pressure stage piston motion direction
It connects, so that the connection of hiigh pressure stage piston and ring flange is more stable, axial bolt looseness in reciprocating motion is avoided to bring cylinder, work
The serious problems such as plug damage, improve the connection reliability of hiigh pressure stage piston Yu low-pressure stage piston.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model original structure.
Fig. 2 is the structural schematic diagram of the improved connection structure of the utility model piston of reciprocating compressor.
Fig. 3 is the top view of ring flange in Fig. 2.
Marked in the figure: 1- hiigh pressure stage piston, 2- low-pressure stage piston, 3- ring flange, 301- annular convex platform, 4- axial bolts,
5- radial bolts.
Specific embodiment
With reference to the accompanying drawing, the utility model is described in detail.
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only to explain this
Utility model is not used to limit the utility model.
Embodiment 1
As shown in Figures 2 and 3, the improved connection structure of the utility model piston of reciprocating compressor, including hiigh pressure stage are living
The ring flange 3 of plug 1, low-pressure stage piston 2 and ring structure, 3 annular region of ring flange are equipped with for living with the low-pressure stage
The axial bolts 4 of 2 connections are filled in, annular convex platform 301 are equipped in the middle part of the ring flange 3, if 301 side wall of the annular convex platform offers
Dry radial screw bore 3011, and radial bolts 5 are equipped, 1 side wall of hiigh pressure stage piston offers and the radial screw bore
3011 matched connecting holes.
Specifically, the height of lower end surface of the annular convex platform 301 relative to ring flange 3 is between 20mm to 25mm；Institute
The thickness of annular convex platform 301 is stated between 10mm to 15mm；Several radial screw bores 3011 are arranged at an equal altitude, and several radial directions
The projection of threaded hole 3011 in the horizontal plane is equiangularly arranged.
Further, the axis angle of the radial screw bore 3011 and adjacent radial screw bore is 90 degree.
Embodiment 2
As shown in figure 3, in the present embodiment the difference from embodiment 1 is that, the outer radial wall spiral shell of the annular convex platform 301
Plane is disposed as at line end-face hole 3011.The more conducively installation of radial bolts.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model
Protection scope within.
Claims (6)
1. a kind of improved connection structure of piston of reciprocating compressor, including hiigh pressure stage piston (1), low-pressure stage piston (2) and ring
The ring flange (3) of shape structure, ring flange (3) annular region are equipped with the axial direction for connecting with the low-pressure stage piston (2)
Bolt (4), which is characterized in that be equipped with annular convex platform (301) in the middle part of the ring flange (3), annular convex platform (301) side wall is opened
Equipped with several radial screw bores (3011), and radial bolts (5) are equipped with, hiigh pressure stage piston (1) side wall offers and institute
State radial screw bore (3011) matched connecting hole.
2. the improved connection structure of piston of reciprocating compressor according to claim 1, which is characterized in that the convex annular
Platform (301) relative to the lower end surface of ring flange (3) height between 20mm to 25mm.
3. the improved connection structure of piston of reciprocating compressor according to claim 2, which is characterized in that the convex annular
The thickness of platform (301) is between 10mm to 15mm.
4. the improved connection structure of piston of reciprocating compressor according to claim 3, which is characterized in that several diameters
It is arranged at an equal altitude to threaded hole (3011), and the projection of several radial screw bores (3011) in the horizontal plane is equiangularly arranged.
5. the improved connection structure of piston of reciprocating compressor according to claim 4, which is characterized in that the radial direction spiral shell
Pit (3011) and the axis angle of adjacent radial screw bore are 90 degree.
6. the improved connection structure of -5 any piston of reciprocating compressor according to claim 1, which is characterized in that described
Lateral wall radial screw bore (3011) endface of annular convex platform (301) is disposed as plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821902823.3U CN209293991U (en) | 2018-11-19 | 2018-11-19 | A kind of improved connection structure of piston of reciprocating compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821902823.3U CN209293991U (en) | 2018-11-19 | 2018-11-19 | A kind of improved connection structure of piston of reciprocating compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209293991U true CN209293991U (en) | 2019-08-23 |
Family
ID=67643929
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821902823.3U Active CN209293991U (en) | 2018-11-19 | 2018-11-19 | A kind of improved connection structure of piston of reciprocating compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209293991U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114111748A (en) * | 2021-11-29 | 2022-03-01 | 重庆华渝电气集团有限公司 | Installation error angle adjustment structure of micro dynamically tuned gyroscope |
-
2018
- 2018-11-19 CN CN201821902823.3U patent/CN209293991U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114111748A (en) * | 2021-11-29 | 2022-03-01 | 重庆华渝电气集团有限公司 | Installation error angle adjustment structure of micro dynamically tuned gyroscope |
| CN114111748B (en) * | 2021-11-29 | 2023-08-15 | 重庆华渝电气集团有限公司 | Installation error angle adjusting structure of miniature power tuning gyroscope |
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