CN216767764U - Upper cover structure of rotor type compressor and compressor with upper cover structure - Google Patents
Upper cover structure of rotor type compressor and compressor with upper cover structure Download PDFInfo
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- CN216767764U CN216767764U CN202123397144.XU CN202123397144U CN216767764U CN 216767764 U CN216767764 U CN 216767764U CN 202123397144 U CN202123397144 U CN 202123397144U CN 216767764 U CN216767764 U CN 216767764U
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- top cover
- mounting platform
- cover structure
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Abstract
The utility model discloses an upper cover structure of a rotor type compressor and a compressor with the upper cover structure, which are characterized in that: the upper cover structure comprises an arc-shaped top cover and a circular side wall which are integrally arranged; the mounting platform is arranged on the top cover, the mounting platform is a plane, an arc transition chamfer is arranged between the mounting platform and the top cover, a through hole is formed in the mounting platform, and a welding bolt and a wiring terminal matched with the through hole are also arranged on the mounting platform; the top cover and the side wall are in tangential fit or provided with a transition chamfer; wherein the radius of the top cover is 1.2-1.3 times of the diameter of the side wall. In the structure, the high-pressure-resistant composite material has the advantages that the good mechanical property is integrally maintained, the pressure resistance is improved, the design stamping requirement is met, the grinding tool is not damaged during stamping, the service life of the die is prolonged, and the processing cost is low. The pressure resistance characteristic of the upper cover is increased while the material is saved, and the design requirement that the pressure resistance of the shell of the compressor is increased by a new refrigerant is met.
Description
Technical Field
The utility model belongs to the technical field of compressor structures, and particularly relates to an upper cover structure of a rotor type compressor and a compressor with the upper cover structure.
Background
The existing rolling rotor compressor mainly comprises a shell assembly and an upper cover assembly, wherein the shell assembly and the upper cover assembly form a closed cavity through welding, and a motor assembly used for driving, a pump assembly used for compression and the like are arranged in the cavity. The upper cover of the compressor is generally provided with two types of flat covers and hemispherical upper covers, the upper cover component is also provided with an exhaust pipe, a wiring terminal, a welding bolt and the like which are arranged on the upper cover besides the upper cover, and the original flat covers and the hemispherical upper covers are suitable for the original R22 refrigerant and the like.
Because the implementation of the correction scheme is based on the benefits, the environmental protection requirement is improved, in order to adapt to the requirement of the correction scheme, a new refrigerant compressor is needed, and the pressure of the new refrigerant compressor is relatively high during working, so that the pressure resistance requirement of the upper cover of the compressor is improved. The structure and shape of the original upper cover can not meet the pressure resistance and safety coefficient related requirements of part of new refrigerant compressors.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an upper cover structure of a rotor type compressor and a compressor with the upper cover structure, which are used for solving the problems in the prior art.
The utility model is realized by the following technical scheme: the utility model provides an upper cover structure of rotor compressor which characterized in that: the upper cover structure comprises an arc-shaped top cover and a circular side wall which are integrally arranged; the mounting platform is arranged on the top cover, the mounting platform is a plane, an arc transition chamfer is arranged between the mounting platform and the top cover, a through hole is formed in the mounting platform, and a welding bolt and a wiring terminal matched with the through hole are also arranged on the mounting platform; the top cover and the side wall are in tangential fit or provided with a transition chamfer;
wherein the radius of the top cover is 1.2-1.3 times of the diameter of the side wall.
Further: the upper cover structure material is steel, and thickness is 3.2 mm.
Further: the chamfer angle of the top cover and the side wall is 12-23 mm; the mounting platform has a circular flat surface no less than 30mm in diameter.
The utility model also discloses a rotor type compressor, which is characterized in that: including the above-described upper cover structure.
The utility model has the beneficial effects that: in the structure of the utility model, the inner circle of the top cover is tangent or approximately tangent to the cylindrical surface of the side wall, and the top cover is smoothly transited to the mounting platform which needs the plane for punching of the rolling rotor type compressor, so that the whole body keeps good mechanical property, the pressure resistance is improved, the design punching requirement is met, the grinding tool is not damaged during punching, the service life of the die is prolonged, and the processing cost is low. The pressure resistance characteristic of the upper cover is increased while the material is saved, and the design requirement that the pressure resistance of the shell of the compressor is increased by a new refrigerant is met.
Drawings
FIG. 1 is a top view of an upper cover structure;
FIG. 2 is a left side view of FIG. 1;
fig. 3 is a left side view of the upper cover structure.
The sequence numbers in the figures illustrate: 1 is the top cap, 2 is the lateral wall, 3 is mounting platform, 4 is circular arc transition chamfer, 5 is the through-hole, 6 is the welding bolt, 7 is binding post.
Detailed Description
As shown in fig. 1-3, the present invention discloses an upper cover structure of a rotor compressor, which comprises an integrally arranged arc-shaped (specifically, a part of a spherical surface) top cover 1 and a circular side wall 2; the upper part of the top cover is provided with an installation platform 3 which is a plane, an arc transition chamfer 4 is arranged between the installation platform and the top cover, the installation platform is provided with a through hole 5, and the installation platform is also provided with a welding bolt 6 and a connecting terminal 7 matched with the through hole; the top cover and the side wall are in tangent fit or provided with transition chamfers, namely the inner circle of the top cover and the inner cylindrical surface of the side wall are tangent or approximately tangent, when the top cover and the side wall are approximately tangent, the top cover and the side wall are transited through the arc chamfers and are smoothly transited to an installation platform which needs a plane for punching of the rolling rotor type compressor, so that the whole body keeps good mechanical property, and the pressure resistance is improved; wherein the radius R1 of the top cover is 1.2-1.3 times of the diameter D1 of the side wall.
Preferably: the upper cover structure material is steel, and thickness is 3.2mm, under the prerequisite that material and thickness do not change, has improved the pressure resistance.
Preferably: the length of the chamfer section between the top cover and the side wall is 12-23 mm; the mounting platform has a circular plane with a diameter of not less than 30mm to meet the mounting requirements of the corresponding component.
The utility model also discloses a rotor type compressor which comprises the upper cover structure.
This scheme is through reasonable shape and structure, in the course of working, and the punching press of being convenient for can effectively increase mould life, reduces the processing cost. The pressure resistance characteristic of the upper cover is increased while the material is saved, the design requirement that the pressure resistance of the shell of the compressor is increased by a new refrigerant is met, and the use requirement that the pressure resistance of the new refrigerants such as R32 and the like is 4.25MPa can be met.
Claims (4)
1. The utility model provides an upper cover structure of rotor compressor which characterized in that: the upper cover structure comprises an arc-shaped top cover and a circular side wall which are integrally arranged; the mounting platform is arranged on the top cover, the mounting platform is a plane, an arc transition chamfer is arranged between the mounting platform and the top cover, a through hole is formed in the mounting platform, and a welding bolt and a wiring terminal matched with the through hole are also arranged on the mounting platform; the top cover and the side wall are in tangential fit or provided with a transition chamfer;
wherein the radius of the top cover is 1.2-1.3 times of the diameter of the side wall.
2. The upper cover structure of a rotor type compressor according to claim 1, wherein: the upper cover structure material is steel, and thickness is 3.2 mm.
3. The upper cover structure of a rotor type compressor according to claim 1, wherein: the chamfer angle of the top cover and the side wall is 12-23 mm; the mounting platform has a circular flat surface no less than 30mm in diameter.
4. A rotor type compressor characterized in that: comprising a cover structure according to claim 1 or 2 or 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123397144.XU CN216767764U (en) | 2021-12-31 | 2021-12-31 | Upper cover structure of rotor type compressor and compressor with upper cover structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123397144.XU CN216767764U (en) | 2021-12-31 | 2021-12-31 | Upper cover structure of rotor type compressor and compressor with upper cover structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216767764U true CN216767764U (en) | 2022-06-17 |
Family
ID=81970786
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123397144.XU Active CN216767764U (en) | 2021-12-31 | 2021-12-31 | Upper cover structure of rotor type compressor and compressor with upper cover structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216767764U (en) |
-
2021
- 2021-12-31 CN CN202123397144.XU patent/CN216767764U/en active Active
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