CN208831187U - A kind of reciprocating compressor welding piston - Google Patents
A kind of reciprocating compressor welding piston Download PDFInfo
- Publication number
- CN208831187U CN208831187U CN201821603651.XU CN201821603651U CN208831187U CN 208831187 U CN208831187 U CN 208831187U CN 201821603651 U CN201821603651 U CN 201821603651U CN 208831187 U CN208831187 U CN 208831187U
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- piston
- compression unit
- reciprocating compressor
- ring
- mounting portion
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Abstract
The utility model relates to Compressor Technology fields, more particularly to a kind of reciprocating compressor welding piston, including piston body, which is characterized in that the piston body is welded by compression unit and mounting portion, the compression unit is corresponding hollow structure with mounting portion, the compression unit is used for compressed gas, and is equipped with sealing ring and guide ring, and the mounting portion is equipped with mounting groove, the mounting groove is used to piston body being installed to compressor piston rod, and the sealing ring and guide ring are that polyether-ether-ketone is made.The reciprocating compressor welding piston greatly reduces the weight of piston using hollow type structure, reduces the inertia force of reciprocating motion of the pistons, and piston components do not need the oil content that gas is reduced using lubricating oil, improve the cleannes of gas.
Description
Technical field
The utility model relates to Compressor Technology field, especially a kind of reciprocating compressor welding piston.
Background technique
Reciprocating-piston compressor belongs to displacement type compressor, and reciprocating piston changes swept volume in cylinder
Compressed gas.Piston in cylinder is connected by piston rod, crosshead, connecting rod and crankshaft, and as the crankshaft rotates, piston is in gas
Reciprocating in cylinder, the spatial volume of piston and cylinder composition alternately occurs to expand and reduce.
Reciprocating-piston compressor is in order to reduce reciprocal inertia force, it is desirable that piston weight is as small as possible, so mostly using greatly
Aluminium manufacture, so that manufacturing cost is high.
It in the demanding situation of gas cleannes, needs to limit the oil content in gas, traditional piston needs
Components are lubricated with lubricating oil, so that compressed gas oil content is higher.
Utility model content
The goal of the invention of the utility model is: for the prior art there are the preponderance of piston, reciprocating motion is used to
Property the larger problem of power, a kind of reciprocating compressor welding piston is provided, the reciprocating compressor welding piston use hollow type
Structure greatly reduces the weight of piston, the smaller inertia force of reciprocating motion of the pistons, and piston components are not needed using profit
Lubricating oil reduces the oil content of gas, improves the cleannes of gas.
To achieve the goals above, the technical solution adopted in the utility model are as follows:
A kind of reciprocating compressor welding piston, including piston body, which is characterized in that piston body is by compression unit and installation
Portion is welded, and the compression unit is corresponding hollow structure with mounting portion, and the compression unit is used for compressed gas, and is equipped with
Sealing ring and guide ring, the mounting portion are equipped with mounting groove, which is used to piston body being installed to compressor piston rod,
The sealing ring and guide ring are that polyether-ether-ketone is made.
The reciprocating compressor welding piston sets hollow structure for piston, and compression unit and mounting portion segmentation is made
It makes, significantly reduces the weight of piston in this way, piston need not be constructed of aluminum again, save the manufacturing cost of piston, segmentation manufacture
Piston, difficulty of processing is greatly reduced；Compression unit is connected by the way of welding with mounting portion, and the rigidity of structure is big, whole
Body is good, while being easily guaranteed that air-tightness again；Sealing ring and guide ring use the polyetheretherketonematerials materials with self-lubricating property
It is made, avoids using lubricating oil and cause gas oil content excessively high.
As a preferred embodiment of the present invention, the compression unit and mounting portion junction are correspondingly provided with the weldering for welding
Seam.The allowance weld in compression unit and mounting portion segmentation manufacture, the welding for compression unit and installation.
As a preferred embodiment of the present invention, elastic force ring is equipped on the inside of the sealing ring.It is arranged on the inside of piston ring
Elastic force ring, under the tension force effect of elastic force ring, piston ring is tightly attached on cylinder inner wall, to accelerate the foundation of piston ring back pressure,
Improve the leakproofness of piston ring.
As a preferred embodiment of the present invention, the sealing ring is set as the two-flap type structure of overlap joint interface.Due to poly-
Ether ether ketone material is harder, easy fracture, and when installation is highly difficult, and piston ring was both convenient for using the two-flap type structure of overlap joint interface type
Installation, and guarantee its air-tightness.
As a preferred embodiment of the present invention, the guide ring is set as the two-flap type structure of mating interface.Due to leading
It does not need to be sealed gas in the course of work to ring, so using the two-flap type structure of mating interface, in favor of guide ring
Installation.
As a preferred embodiment of the present invention, the compression unit upper end be equipped with dismounting hole, the dismounting hole for install or
Dismantle piston.Dismounting hole is opened up in compression end surface, side and piston is installed on piston rod or by piston from piston rod
It removes.
As a preferred embodiment of the present invention, the compression unit and mounting portion are low-carbon steelwork.Compression unit and peace
Dress portion is made of mild steel, and mild steel has good solderability, is not necessarily to special welding material and welding procedure, weld seam can
To meet the intensity, rigidity and sealing requirements of piston.
In conclusion by adopting the above-described technical solution, the beneficial effects of the utility model are:
This changes reciprocating compressor welding piston, sets hollow structure for piston, and compression unit and mounting portion are segmented
Manufacture, significantly reduces the weight of piston in this way；It is segmented the piston of manufacture, difficulty of processing is greatly reduced；Compression unit and peace
Dress portion is connected by the way of welding, and the rigidity of structure is big, good integrity, while being easily guaranteed that air-tightness again；It sealing ring and leads
It uses the polyetheretherketonematerials materials with self-lubricating property to be made to ring, avoids using lubricating oil and lead to gas oil content mistake
It is high.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model reciprocating compressor welding piston.
Fig. 2 is seal ring structure schematic diagram in Fig. 1.
Fig. 3 is guide ring schematic diagram in Fig. 1.
Fig. 4 is the structural schematic diagram of compression unit in Fig. 1.
Marked in the figure: 1- compression unit, 101- dismounting hole, 2- mounting portion, 201- mounting groove, 3- weld seam, 4- sealing ring, 5- are led
Xiang Huan, 6- elastic force ring.
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 Figure 1, the utility model reciprocating compressor welding piston, including piston body, the piston body is by compressing
Portion 1 and mounting portion 2 are welded, and the compression unit 1 is corresponding hollow structure with mounting portion 2, and the compression unit 1 is for compressing
Gas, and it is equipped with sealing ring 4 and guide ring 5, the mounting portion 2 is equipped with mounting groove 201, which is used for piston
Body is installed on compressor piston rod, and the sealing ring 4 and guide ring 5 are that polyether-ether-ketone is made.
Specifically, the compression unit 1 and 2 junction of mounting portion are correspondingly provided with the weld seam 3 for welding, when welding, guarantees weldering
3 through welding of seam, flawless and stomata.
In conclusion the reciprocating compressor welding piston, hollow structure is set by piston, and by compression unit and installation
Segment section manufacture, significantly reduces the weight of piston in this way, and piston need not be constructed of aluminum again, saves the manufacturing cost of piston,
It is segmented the piston of manufacture, difficulty of processing is greatly reduced；Compression unit is connected by the way of welding with mounting portion, and structure is rigid
Degree is big, good integrity, while being easily guaranteed that air-tightness again；Sealing ring and guide ring use the polyethers ether with self-lubricating property
Ketone material is made, and avoids using lubricating oil and causes gas oil content excessively high.
Embodiment 2
As shown in Figure 1 to Figure 3, in the present embodiment, the difference from embodiment 1 is that, bullet is equipped on the inside of the sealing ring 4
Power ring 6, and sealing ring 4 is set as the two-flap type structure of overlap joint interface, the guide ring 5 is set as the two-flap type knot of mating interface
Structure.
In conclusion elastic force ring is arranged on the inside of piston ring, under the tension force effect of elastic force ring, piston ring is tightly attached to cylinder
On inner wall, to accelerate the foundation of piston ring back pressure, the leakproofness of piston ring is improved；Since polyetheretherketonematerials materials are harder, easily
Fracture, when installation, are highly difficult, and piston ring was not only easily installed, but also guarantee its air-tightness using the two-flap type structure of overlap joint interface type；
Since guide ring does not need to be sealed gas in the course of work, so using the two-flap type structure of mating interface, in favor of
The installation of guide ring.
Embodiment 3
As shown in figure 4, in the present embodiment, the difference from embodiment 1 is that, the compression unit upper end is equipped with dismounting hole 101,
The dismounting hole 101 is for installing or removing piston.Dismounting hole is opened up in compression end surface, side and piston is installed on piston rod
Or piston is removed from piston rod.
Embodiment 4
In the present embodiment, with not being but for embodiment 1, the compression unit 1 and mounting portion 2 are low-carbon steelwork.Pressure
Contracting portion and mounting portion are made of mild steel, and mild steel has good solderability, are not necessarily to special welding material and welding procedure,
Weld seam can meet the intensity, rigidity and sealing requirements of piston.
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 (7)
1. a kind of reciprocating compressor welding piston, including piston body, which is characterized in that the piston body is by compression unit and installation
Portion is welded, and the compression unit is corresponding hollow structure with mounting portion, and the compression unit is used for compressed gas, and is equipped with
Sealing ring and guide ring, the mounting portion are equipped with mounting groove, which is used to piston body being installed to compressor piston rod,
The sealing ring and guide ring are that polyether-ether-ketone is made.
2. reciprocating compressor welding piston according to claim 1, which is characterized in that the compression unit and mounting portion connect
The place of connecing is correspondingly provided with the weld seam for welding.
3. reciprocating compressor welding piston according to claim 2, which is characterized in that be equipped on the inside of the sealing ring
Elastic force ring.
4. reciprocating compressor welding piston according to claim 3, which is characterized in that the sealing ring is set as overlapping
The two-flap type structure of interface.
5. reciprocating compressor welding piston according to claim 4, which is characterized in that the guide ring is set as docking
The two-flap type structure of interface.
6. reciprocating compressor welding piston according to claim 5, which is characterized in that the compression unit upper end is equipped with and tears open
Hole is filled, the dismounting hole is for installing or removing piston.
7. -6 any reciprocating compressor welding piston according to claim 1, which is characterized in that the compression unit and peace
Dress portion is low-carbon steelwork.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821603651.XU CN208831187U (en) | 2018-09-29 | 2018-09-29 | A kind of reciprocating compressor welding piston |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821603651.XU CN208831187U (en) | 2018-09-29 | 2018-09-29 | A kind of reciprocating compressor welding piston |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208831187U true CN208831187U (en) | 2019-05-07 |
Family
ID=66317810
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821603651.XU Active CN208831187U (en) | 2018-09-29 | 2018-09-29 | A kind of reciprocating compressor welding piston |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208831187U (en) |
-
2018
- 2018-09-29 CN CN201821603651.XU patent/CN208831187U/en active Active
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