CN2846809Y - Rotary compressor - Google Patents
Rotary compressor Download PDFInfo
- Publication number
- CN2846809Y CN2846809Y CN 200520027044 CN200520027044U CN2846809Y CN 2846809 Y CN2846809 Y CN 2846809Y CN 200520027044 CN200520027044 CN 200520027044 CN 200520027044 U CN200520027044 U CN 200520027044U CN 2846809 Y CN2846809 Y CN 2846809Y
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- shell
- rotary compressor
- compression mechanical
- stator
- mechanical portion
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Abstract
The utility model relates to a rotary compressor which comprises a closed container, an electric mechanical part and a compressing mechanical part, wherein the closed container is composed of a shell, an upper cover and a lower cover. The electric mechanical part is positioned on the upper part of the closed container and is composed of a stator and a rotator; the compressing mechanical part is positioned on the lower part and comprises an air cylinder, an upper part bearing, a lower part bearing, a crankshaft and a rolling ring; the shell is composed of a cylindrical upper part shell and a cylindrical lower part shell which have different diameters and are integrally formed, and the diameter of the upper shell is larger than the diameter of the lower part shell. The rotary compressor of the utility model is respectively provided with the electric mechanical part and the compressing mechanical part by using the upper part and the lower part shells which are integrally formed and have different diameters in a mode of hot installation; in this way, the mutual interference between the electric mechanical part and the compressing mechanical part during hot installation can be avoided, the positioning is accurate, and the problem of the residue of the welding slag can not occur; in addition, as hot deformation does not occur on the compressing mechanical part, the leakage problem of cooling mediums can not occur, and accordingly, the perfect performance of the compressor can be ensured.
Description
Technical field
The utility model relates to a kind of rotary compressor, relates to particularly that a kind of can to reduce thermal distortion and welding slag that compression mechanical portion produces residual, thereby can guarantee the rotary compressor that its performance is intact.
Background technique
In general, compressor is a kind of machine of compressed fluid.This compressor is by the seal container with certain inner space, is installed in the electromechanical part that can produce driving force in the seal container and can utilizes the driving force of electromechanical part and the compression mechanical portion of compressed fluid constitutes.Fig. 1 is the rotary compressor longitudinal construction sectional view of prior art.As shown in Figure 1, the seal container of this prior art rotary compressor equidistantly is formed with the cylindrical housing 3 of three welding holes 7 and loam cake 4 and lower cover 5 by the bottom along its circumference and constitutes.One side of shell 3 is provided with refrigerant import 1, and the center portion of loam cake 4 then is provided with refrigerant exit 2.The electromechanical part on seal container top mainly by be fixed on cylindrical housing 3 inwalls stator 11 and the center of stator 11 and can by and stator 11 between the rotor 12 that is rotated of electromagnetic action form.40 of compression mechanical portion that are positioned at the seal container bottom mainly comprise cylinder 45 and are installed in the upper bearing 42 and the lower bearing 43 of cylinder 45 upper and lower end faces respectively.Bent axle 31 runs through the center of rotor 12 and cylinder 45, and it can together rotate with rotor 12, thereby the rotating force that electromechanical part produces can be passed to compression mechanical portion 40.The bottom of bent axle 31 is formed with eccentric part 31a, the outside of eccentric part 31a then be with can be rotated in the inside cavity of cylinder 45 and compressible refrigerant roll the ring 36.Do not overlap with the rotating center of bent axle 31 owing to roll ring 36 center of gravity, thus the power energy imbalance can appear during high speed rotating when bent axle 31 in compressor, thus become the vibrative main cause of compressor.To load onto equilibrium block 6 and come trimming moment in order to address this problem usually to add in the upper end portion of rotor 12.But there is following point in the rotary compressor of this prior art: compression mechanical portion 40 is to adopt three spot welding connections by three welding holes 7 that form on shell 3 peripheral wall shell 3 and upper bearing 42 directly to be welded together, because the input of the welding heat of this connecting means is bigger, thereby upper bearing 42 and easily generation thermal distortion of cylinder 45, thereby might cause problems such as coolant leakage and moving element friction, therefore can influence the performance of compressor.In addition, this welding method also is easy to make welding slag to remain in the inside of compressor and influence its life-span, and welding process also can cause certain pollution to environment.
Summary of the invention
In order to address the above problem, the purpose of this utility model is to provide a kind of thermal distortion and coolant leakage that can reduce compression mechanical portion, and can prevent that welding slag from remaining in its inner rotary compressor.
In order to achieve the above object, the rotary compressor that provides of the utility model comprises seal container, electromechanical part and compression mechanical portion; Wherein seal container is made of shell and loam cake and lower cover, and a side of shell is provided with the refrigerant import, and the center portion of loam cake then is provided with refrigerant exit; Electromechanical part is positioned at the top of seal container, mainly by be fixed on the outer casing inner wall stator and the center of stator and can by and stator between the rotor that is rotated of electromagnetic action form; Compression mechanical portion is positioned at the bottom of seal container, mainly comprise cylinder, respectively be installed in the cylinder upper and lower end face upper bearing and lower bearing, run through the center of rotor and cylinder, the bottom is formed with eccentric part, can together rotate with rotor, thereby the rotating force that electromechanical part produces can be passed to the bent axle of compression mechanical portion and be enclosed within the outside of bent axle lower eccentric portion, and can in cylinder, rotate the ring that rolls with compression refrigerant; Described shell is by having different diameter and integrally formed, and cylinder-shaped upper part housing and lower case that inside can be installed electromechanical part and compression mechanical portion respectively constitute, and the diameter of upper body is greater than the diameter of lower case.
The position that the stator upper end is installed on the described upper body has been formed along a circumference thereof a scrobicular ring.
The lower end of described stator is positioned on the stage of upper body and the formation of lower case connecting part.
Described electromechanical part and compression mechanical portion are to utilize the mode of hot charging to be installed in the inside of upper body and lower case simultaneously.
Described scrobicular ring is to utilize process for stamping to form after good electromechanical part of hot charging and compression mechanical portion.
The rotary compressor that the utility model provides is to utilize upper body and lower case integrally formed and that have a different-diameter in the mode of hot charging electromechanical part and compression mechanical portion to be installed respectively, interfere mutually between electromechanical part and compression mechanical portion in the time of not only can avoiding hot charging like this, and accurate positioning, and the welding slag residue problem can not appear.In addition, because thermal distortion does not appear in compression mechanical portion, thereby the coolant leakage problem can not occur, thereby the performance that can guarantee compressor is intact.
Description of drawings
Below in conjunction with the drawings and specific embodiments the rotary compressor that the utility model provides is elaborated.The parts identical with prior art use identical symbol, and omit its explanation of carrying out.
Fig. 1 is the rotary compressor longitudinal construction sectional view of prior art.
The rotary compressor longitudinal construction sectional view that Fig. 2 provides for the utility model.
Embodiment
As shown in Figure 2, the rotary compressor that provides of the utility model comprises seal container, electromechanical part and compression mechanical portion; Wherein seal container is made of shell 3 and loam cake 4 and lower cover 5, and a side of shell 3 is provided with refrigerant import 1, and the center portion of loam cake 4 then is provided with refrigerant exit 2; Electromechanical part is positioned at the top of seal container, mainly by be fixed on shell 3 inwalls stator 11 and the center of stator 11 and can by and stator 11 between the rotor 12 that is rotated of electromagnetic action form; Compression mechanical portion 40 is positioned at the bottom of seal container, mainly comprise cylinder 45, respectively be installed in cylinder 45 upper and lower end faces upper bearing 42 and lower bearing 43, run through the center of rotor 12 and cylinder 45, the bottom is formed with eccentric part 31a, can together rotate with rotor 12, thereby the rotating force that electromechanical part produces can be passed to the bent axle 31 of compression mechanical portion 40 and be enclosed within the outside of bent axle 31 31a of lower eccentric portion, and can in cylinder 45, rotate with rolling of compression refrigerant and encircle 36; Described shell 3 is by having different diameter and integrally formed, and cylinder-shaped upper part housing 8 and lower case 9 that inside can be installed electromechanical part and compression mechanical portion 40 respectively constitute, and the diameter of upper body 8 is greater than the diameter of lower case 9.The position that stator 11 upper ends are installed on the upper body 8 has been formed along a circumference thereof a scrobicular ring 10.The lower end of stator 11 is positioned on the stage 15 that upper body 8 and lower case 9 connecting parts form, and the parts that produce owing to the difference of magnitude of interference in the time of can avoiding hot charging are like this interfered mutually.Electromechanical part and compression mechanical portion 40 are to utilize the mode of hot charging to be installed in the inside of upper body 8 and lower case 9 simultaneously, the destruction that can avoid double heating that stator coil is caused like this, and has higher efficiency of assembling, scrobicular ring 10 then is to utilize process for stamping to form after good electromechanical part of hot charging and compression mechanical portion 40, and main purpose is to strengthen join strength.When the assembling the utility model provide rotary compressor the time, at first shell 3 is heated so that it produces thermal expansion, utilize corresponding anchor clamps electromechanical part and compression mechanical portion 40 to be placed the inside of upper body 8 and lower case 9 respectively then, the inner peripheral surface for the treatment of shell 3 cooling superior posterior housings 8 and lower case 9 will be squeezed in the outside of electromechanical part and compression mechanical portion 40 respectively, thereby with electromechanical part and compression mechanical portion 40 fix in position.The position that stator 11 upper ends are installed on upper body 8 subsequently utilizes impact style to form a scrobicular ring 10 along its circumference.Because the upper and lower end of electromechanical part can be is respectively fixed by the stage 15 of scrobicular ring 10 and upper and lower part housing 8,9 connecting parts, thereby the join strength height.In addition, because electromechanical part and compression mechanical portion 40 are to utilize the method for hot charging to be installed in the inside of shell 3, thereby compare it with three spot welding connections of prior art and can not produce welding slag, thereby can prolong its working life, and can not make compression mechanical portion 40 produce thermal distortions because of being heated evenly yet, thereby the coolant leakage problem can not occur, therefore can guarantee that the performance of compressor is intact.
Claims (5)
1, a kind of rotary compressor comprises seal container, electromechanical part and compression mechanical portion; Wherein seal container is by shell (3) and loam cake (4) and lower cover (5) formation, and a side of shell (3) is provided with refrigerant import (1), and the center portion of loam cake (4) then is provided with refrigerant exit (2); Electromechanical part is positioned at the top of seal container, mainly by be fixed on the stator (11) on shell (3) inwall and be positioned at stator (11) the center and can by and stator (11) between the rotor (12) that is rotated of electromagnetic action form; Compression mechanical portion (40) is positioned at the bottom of seal container, mainly comprise cylinder (45), respectively be installed in cylinder (45) upper and lower end face upper bearing (42) and lower bearing (43), run through the center of rotor (12) and cylinder (45), the bottom is formed with eccentric part (31a), can together rotate with rotor (12), the rotating force that thereby electromechanical part can be produced pass to the bent axle (31) of compression mechanical portion (40) and be enclosed within the outside of bent axle (31) lower eccentric portion (31a), and can rotate in cylinder (45) and roll ring (36) with compression refrigerant; It is characterized in that: described shell (3) is by having different diameter and integrally formed, cylinder-shaped upper part housing (8) and lower case (9) that inside can be installed electromechanical part and compression mechanical portion (40) respectively constitute, and the diameter of upper body (8) is greater than the diameter of lower case (9).
2, rotary compressor according to claim 1 is characterized in that: described upper body (8) goes up the position that stator (11) upper end is installed and has been formed along a circumference thereof a scrobicular ring (10).
3, rotary compressor according to claim 1 is characterized in that: the lower end of described stator (11) is positioned on the stage (15) of upper body (8) and the formation of lower case (9) connecting part.
4, rotary compressor according to claim 1 is characterized in that: described electromechanical part and compression mechanical portion (40) are to utilize the mode of hot charging to be installed in the inside of upper body (8) and lower case (9) simultaneously.
5, rotary compressor according to claim 2 is characterized in that: described scrobicular ring (10) is to utilize process for stamping to form after good electromechanical part of hot charging and compression mechanical portion (40).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520027044 CN2846809Y (en) | 2005-08-18 | 2005-08-18 | Rotary compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520027044 CN2846809Y (en) | 2005-08-18 | 2005-08-18 | Rotary compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2846809Y true CN2846809Y (en) | 2006-12-13 |
Family
ID=37512232
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520027044 Expired - Fee Related CN2846809Y (en) | 2005-08-18 | 2005-08-18 | Rotary compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2846809Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101985934A (en) * | 2009-07-28 | 2011-03-16 | 日立空调·家用电器株式会社 | Airtight type electric compressor |
-
2005
- 2005-08-18 CN CN 200520027044 patent/CN2846809Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101985934A (en) * | 2009-07-28 | 2011-03-16 | 日立空调·家用电器株式会社 | Airtight type electric compressor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |