CN206017151U - Compressor piston - Google Patents
Compressor piston Download PDFInfo
- Publication number
- CN206017151U CN206017151U CN201621020919.8U CN201621020919U CN206017151U CN 206017151 U CN206017151 U CN 206017151U CN 201621020919 U CN201621020919 U CN 201621020919U CN 206017151 U CN206017151 U CN 206017151U
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- compressor piston
- end cap
- compressor
- tube
- inner tube
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Abstract
This utility model provides a kind of compressor piston, belongs to field of mechanical technique.It solves the problems, such as existing compressor piston structure type lazy weight.This compressor piston includes inner tube, outer tube and two end caps being located between inner tube and outer tube；One end cap is connected as a single entity with inner tube, and the outer edge of end cap is sealedly and fixedly connected with outer tube；Another end cap is connected as a single entity with outer tube, and the inner edge portion of end cap is sealedly and fixedly connected with inner tube.In this compressor piston, two end caps are connected as a single entity with inner and outer tubes respectively so that this compressor piston is only made up of two parts and the seam of two parts is shifted to install；Thus the intensity of compressor piston is significantly improved.This compressor piston further mitigates the weight of compressor piston, and then can further improve the Energy Efficiency Ratio of rotary compressor.
Description
Technical field
This utility model belongs to field of mechanical technique, is related to a kind of compressor, particularly a kind of compressor piston.
Background technology
Air-conditioning can adjust the temperature of air, humidity, degree of purity and air velocity, and then improve amenity.With society
Economical constantly can develop, the volume of production and marketing of air-conditioning is hit new peak repeatly；Meanwhile, affected by global energy crisis, energy resource supply and consumption
Contradiction steeply rise.For this purpose, energy-saving is the common target in the world；And the Energy Efficiency Ratio for improving compressor of air conditioner becomes air-conditioning
One of groundwork of compressor industry.
Rotary compressor is extremely huge in air conditioning applications quantity, with regard to improve rotary compressor Energy Efficiency Ratio document compared with
Many, compressor that such as Chinese patent literature is recorded thinks empty with rolling piston (application publication number CN105822556A), applicant
Stem body can deform in use, and then fill up proportion into cavity less than ferrum or the material of steel, mitigate weight, realize drop
Low energy consumption.Those skilled in the art wish to propose more pistons that can be reduced weight, can guarantee that performance again.
Content of the invention
The utility model proposes a kind of compressor piston, the technical problems to be solved in the utility model is how to propose separately
One kind can reduce weight, can guarantee that the piston of performance again.
Technical problem to be solved of the present utility model can be realized by following technical proposal：This compressor piston includes
Inner tube, outer tube and two are located at the end cap between inner tube and outer tube；One end cap is connected as a single entity with inner tube, the outer edge of end cap with
Outer tube is sealedly and fixedly connected；Another end cap is connected as a single entity with outer tube, and the inner edge portion of end cap is sealedly and fixedly connected with inner tube.
In this compressor piston, two end caps are connected as a single entity with inner and outer tubes respectively so that this compressor piston is only by two
The seam of individual part composition and two parts is shifted to install；Thus the intensity of compressor piston is significantly improved.
By substantial amounts of test, about 200 DEG C of operating temperature of the piston in rotary compressor, confirms that this compressor is lived
Plug deflection under 200 DEG C of environment complies fully with compressor piston deflection technical requirements, i.e. this compressor piston and is suitable for application
In rotary compressor.
There is cavity in this compressor piston, compared with prior art, the performance of this compressor piston is complied fully with
Technical requirements of the rotary compressor to piston；Obviously this compressor piston overcomes the thought open tubular column of those skilled in the art
Body can deform in use, it is impossible to meet the technology prejudice of the piston technical requirements of rotary compressor.
Compared with prior art, this compressor piston further mitigates the weight of compressor piston, and then can be further
Improve the Energy Efficiency Ratio of rotary compressor.This compressor piston also has manufacture more easily advantage.
The blank manufacture method of this compressor piston is carried out by following sequential steps：First in no particular order order plus
Work internal ring and processing internal ring；One end that one end of internal ring has the first annular portion that turns edge that protrudes laterally, outer shroud inwardly has
The second annular that side is protruded turns edge portion；Then internal ring is socketed with outer shroud, is melted finally along seam of the internal ring with outer shroud
Weldering processing.
The blank manufacture method of this compressor piston is carried out by following sequential steps：First in no particular order order plus
Work internal ring and processing outer shroud；One end that one end of internal ring has the first annular portion that turns edge that protrudes laterally, outer shroud inwardly has
The second annular that side is protruded turns edge portion；Then welded using spin friction between internal ring and outer shroud.
The blank manufacture method of this compressor piston is carried out by following sequential steps：First in no particular order order plus
Work internal ring and processing outer shroud；One end that one end of internal ring has the first annular portion that turns edge that protrudes laterally, outer shroud inwardly has
The second annular that side is protruded turns edge portion；Then exterior ring cap finally outside internal ring and is applied pressure by cooling internal ring and heating outer shroud
Make in the embedded outer shroud in the first annular portion of turning edge.
In this compressor piston, inner ring and outer rings processing can adopt machining, it is clear that be suitable for big batch metaplasia and produce；Root
According to the corresponding inner ring and outer rings assembling of internal ring and the connected connected mode selection of outer shroud；Above-mentioned internal ring and the connected connected mode of outer shroud
And processing method is suitable for big batch；Thus, the blank of this compressor piston is suitable for mass production.
Description of the drawings
Fig. 1 is the cross section structure diagram of this compressor piston.
Fig. 2 is the left view structural representation of this compressor piston.
Fig. 3 is the right side structural representation of this compressor piston.
Fig. 4 is the cross section structure diagram of outer shroud in this compressor piston.
Fig. 5 is the cross section structure diagram of internal ring in this compressor piston.
In figure, 1, inner tube；2nd, outer tube；3rd, end cap；4th, internal ring；4a, the first annular portion that turns edge；5th, outer shroud；5a, the second annular
Turn edge portion.
Specific embodiment
The following is specific embodiment of the utility model and combine accompanying drawing, the technical solution of the utility model is made further
Description, but this utility model is not limited to these embodiments.
Embodiment one
As shown in Figures 1 to 5, this compressor piston includes inner tube 1, outer tube 2 and two end caps 3, and inner tube 1 and outer tube 2 are equal
In a tubular form, the tabular in a ring of end cap 3；End cap 3 is located between inner tube 1 and outer tube 2.
The inner edge portion of one end cap 3 is connected as a single entity with inner tube 1, and the part is referred to as internal ring 4；In other words, one end tool of internal ring 4
There are the first annular portion 4a that turns edge for protruding laterally, the first annular portion 4a that turns edge to be vertically arranged with other positions；First annular turn over
An end cap 3 is along portion 4a.
The outer edge of another end cap 3 is connected as a single entity with outer tube 2, and the part is referred to as outer shroud 5；In other words, one end of outer shroud 5
There is the second annular that protrudes to inner side to turn edge portion 5a, the second annular portion 5a that turns edge is vertically arranged with other positions；Second annular
The portion 5a of turning edge is another end cap 3.
The outer edge of one end cap 3 is sealedly and fixedly connected with outer tube 2；The inner edge portion of another end cap 3 is solid with the sealing of inner tube 1
Fixed connection.In other words, internal ring 4 is located at the inner side of outer shroud 5, the lateral surface of the first annular portion 4a that turns edge and the other end of outer shroud 5
It is sealedly and fixedly connected between medial surface；Second annular turn edge portion 5a medial surface and internal ring 4 the other end lateral surface between close
Envelope is fixedly connected.Specifically, between internal ring 4 and outer shroud 5 using being welded to connect.
The blank of compressor piston obtains compressor piston finished product by turning, grinding and surface treatment.This compressor is lived
The blank manufacture method of plug is carried out by following sequential steps：Internal ring 4 and processing outer shroud are sequentially processed first in no particular order
5；
Internal ring 4 as blank, is preliminarily formed the first annular portion 4a that turns edge by spun end first, then is passed through from steel pipe
Squeezing shaping makes the first annular portion 4a that turns edge be vertically arranged with other positions；Finally chip processing is carried out by required size.
Outer shroud 5 as blank, is preliminarily formed the second annular by spun end first and is turned edge portion 5a, then passed through from steel pipe
Squeezing shaping makes the second annular portion 5a that turns edge be vertically arranged with other positions；Finally chip processing is carried out by required size.
The outside diameter d 2 of internal ring 4 turns edge the internal diameter d1 of portion 5a slightly larger than the second annular；The outer diameter D 2 of the first annular portion 4a that turns edge
Internal diameter D1 slightly larger than outer shroud 5.
Then internal ring 4 and outer shroud 5 on spin friction bonding machine and are executed spin friction welding；Outer shroud 5 is at a high speed
Rotation, the axial movement of internal ring 4 are penetrated in outer shroud 5.
Embodiment two
The present embodiment is essentially identical with the structure and principle of embodiment one, the no longer burden description of essentially identical part, only retouches
Different place is stated, different place is：
The blank manufacture method of this compressor piston is carried out by following sequential steps：First in no particular order order plus
Work internal ring 4 and processing outer shroud 5；The outside diameter d 2 of internal ring 4 is slightly less than the second annular and turns edge the internal diameter d1 of portion 5a；The first annular portion that turns edge
The outer diameter D 2 of 4a is slightly less than the internal diameter D1 of outer shroud 5.
Then internal ring 4 is socketed with outer shroud 5, carries out melting weldering processing finally along internal ring 4 and the seam of outer shroud 5.
Embodiment three
The present embodiment is essentially identical with the structure and principle of embodiment one, the no longer burden description of essentially identical part, only retouches
Different place is stated, different place is：Connected using interference fit between internal ring 4 and outer shroud 5.
The blank manufacture method of this compressor piston is carried out by following sequential steps：First in no particular order order plus
Work internal ring 4 and processing outer shroud 5；The outside diameter d 2 of internal ring 4 turns edge the internal diameter d1 of portion 5a slightly larger than the second annular；The first annular portion that turns edge
Internal diameter D1 of the outer diameter D 2 of 4a slightly larger than outer shroud 5.
Then internal ring 4 is cooled to less than -60 DEG C using liquid nitrogen, outer shroud 5 is heated to more than 200 DEG C, finally by outer shroud 5
Being enclosed within outside internal ring 4 and apply pressure makes in the embedded outer shrouds 5 of the first annular portion 4a that turns edge.
Claims (3)
1. a kind of compressor piston, is located at the end cap between inner tube (1) and outer tube (2) including inner tube (1), outer tube (2) and two
(3)；Characterized in that, an end cap (3) is connected as a single entity with inner tube (1), the outer edge of end cap (3) is fixed with outer tube (2) sealing
Connection；Another end cap (3) is connected as a single entity with outer tube (2), and the inner edge portion of end cap (3) is sealedly and fixedly connected with inner tube (1).
2. compressor piston according to claim 1, it is characterised in that the outer edge of end cap (3) and outer tube (2) it
Between be fixedly connected by welded seal；It is fixedly connected by welded seal between the inner edge portion of end cap (3) and inner tube (1).
3. compressor piston according to claim 1, it is characterised in that the outer edge of end cap (3) and outer tube (2) it
Between be fixedly connected by interference fit seal；Fixed by interference fit seal between the inner edge portion of end cap (3) and inner tube (1) and connected
Connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621020919.8U CN206017151U (en) | 2016-08-31 | 2016-08-31 | Compressor piston |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621020919.8U CN206017151U (en) | 2016-08-31 | 2016-08-31 | Compressor piston |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206017151U true CN206017151U (en) | 2017-03-15 |
Family
ID=58256590
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621020919.8U Active CN206017151U (en) | 2016-08-31 | 2016-08-31 | Compressor piston |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206017151U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106194744A (en) * | 2016-08-31 | 2016-12-07 | 浙江百达精工股份有限公司 | The blank manufacture method of compressor piston and compressor piston |
-
2016
- 2016-08-31 CN CN201621020919.8U patent/CN206017151U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106194744A (en) * | 2016-08-31 | 2016-12-07 | 浙江百达精工股份有限公司 | The blank manufacture method of compressor piston and compressor piston |
| CN106194744B (en) * | 2016-08-31 | 2018-11-30 | 浙江百达精工股份有限公司 | The blank production method of compressor piston |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |