CN1916417A - Revolve type compressor - Google Patents
Revolve type compressor Download PDFInfo
- Publication number
- CN1916417A CN1916417A CN 200510014758 CN200510014758A CN1916417A CN 1916417 A CN1916417 A CN 1916417A CN 200510014758 CN200510014758 CN 200510014758 CN 200510014758 A CN200510014758 A CN 200510014758A CN 1916417 A CN1916417 A CN 1916417A
- Authority
- CN
- China
- Prior art keywords
- center
- shell
- cylinder
- rotary compressor
- annular boss
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Applications Or Details Of Rotary Compressors (AREA)
Abstract
A compressor of rotary type consists of closed container formed by shell and top as well as bottom covers, motor driven mechanical unit formed by stator and rotator and compression mechanical unit formed by air cylinder and bearings as well as crankshaft and rolling ring. It is featured as forming three grooves on external periphery of top bearing along peripheral direction in equal space and forming three ring bosses being able to be inserted into said grooves and being projected internally at relevant position of erecting top bearing on peripheral wall of shell along peripheral direction.
Description
Technical field
The present invention relates to a kind of rotary compressor, particularly relate to a kind of thermal distortion that can reduce the compression mechanical portion generation, 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 the rotary compressor of this prior art 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, and weld strength and quality are all bad, thereby might cause problems such as coolant leakage and moving element friction, therefore can influence the performance of compressor.
Summary of the invention
In order to address the above problem, to the object of the present invention is to provide a kind of heat input that can reduce welding, thereby can prevent that the rotary compressor of thermal distortion from appearring in compression mechanical portion.
In order to achieve the above object, rotary compressor provided by the invention comprises seal container, electromechanical part and compression mechanical portion; Wherein seal container is made of cylindrical housing 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 cylindrical housing inwall 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; Its circumferencial direction of outer peripheral surface upper edge of described upper bearing equidistantly is formed with three grooves, and the corresponding site that upper bearing is installed on the peripheral wall of shell is then along inside outstanding three annular boss that can be inserted into inside grooves that are formed with of its circumferencial direction.
Described groove cross section is rounded, and the center of circle of its center of circle and annular boss is located on the same line.
Described annular boss is to be formed by the welding hole punching press on the shell.
Adopt between described groove and annular boss to fill in and expect to weld or seal with the bonding mode of tackiness agent.
Rotary compressor provided by the invention is to utilize three annular boss that formed by the inside punching press of welding hole on the shell and be formed on the upper bearing outer peripheral surface cooperatively interacting between three grooves to fix compression mechanical portion, when in groove, filling in material when welding, because the fusing point of plug material will be lower than upper bearing, the fusing point of cylinder or lower bearing material therefor, thereby can reduce the current/voltage in when welding, thereby can reduce the heat input, adopt tackiness agent to carry out then there is not the heat input when bonding, so just can not cause that compression mechanical portion produces thermal distortion, and can make mutual connection more firmly and be easy to welding operation, thereby can prevent the coolant leakage problem that causes because of thermal distortion, thereby the performance that can guarantee compressor is intact.
Description of drawings
Below in conjunction with the drawings and specific embodiments rotary compressor provided by the invention 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.
Fig. 2 is a rotary compressor provided by the invention middle and lower part structure longitudinal sectional view.
Fig. 3 is a significant points partial sectional view among Fig. 2.
Embodiment
As Fig. 2, shown in Figure 3, rotary compressor provided by the invention comprises seal container, electromechanical part and compression mechanical portion; Wherein seal container is made of cylindrical housing 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 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; Compression mechanical portion 50 is positioned at the bottom of seal container, mainly comprise cylinder 55, respectively be installed in cylinder 55 upper and lower end faces upper bearing 52 and lower bearing 53, 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 50 and be enclosed within the outside of bent axle 31 31a of lower eccentric portion, and can in cylinder 55, rotate with rolling of compression refrigerant and encircle 36; Its circumferencial direction of outer peripheral surface upper edge of described upper bearing 52 equidistantly is formed with three grooves 8, and the corresponding site that upper bearing 52 is installed on the peripheral wall of shell 3 is then along inside outstanding three annular boss 9 that can be inserted into groove 8 inside that are formed with of its circumferencial direction.Described groove 8 cross sections are rounded, and the center of circle of its center of circle and annular boss 9 is located on the same line.Annular boss 9 is to be formed by 7 punching presses of the welding hole on the shell 3, shown in the dotted line among Fig. 3, so not only can make connection more firm, and be easy to welding operation.9 of groove 8 and annular boss can adopt to fill in expects to weld or seal with the bonding mode of tackiness agent.When package shell 3 and compression mechanical portion 50, at first fill in material in the groove on upper bearing 52 8, put it into the inside of shell 3 then, and welding hole 7 pre-processed on groove 8 and shell 3 peripheral wall is alignd, outside from welding hole 7 inwardly strikes out the annular boss 9 that can be inserted into groove 8 inside with it subsequently, at last connection part is welded or carries out bonding and the sealing of this position can be fixed on compression mechanical portion 50 inside of shell 3 with tackiness agent.Because the fusing point of plug material will be lower than the fusing point of upper bearing 52 material therefors, thereby this method is more much lower than the heat input of the direct welding process of prior art, thereby can prevent the thermal distortion that compression mechanical portion 50 produces.When rotary compressor provided by the invention moves, the rotor 12 at seal container central upper portion position will by and stator 11 between electromagnetic action carry out high speed rotating, drive simultaneously to run through the bent axle 31 at its center and be enclosed within rolling of bent axle 31 bottoms and encircle 36 also together rotations, thereby in the future self-circulation system and the refrigerant that enters cylinder 55 inside through refrigerant import 1 compress, refrigerant through overcompression will drain into electromechanical part from the exhaust port on the not shown upper bearing 52 then, at last from the refrigerant exit 2 that is arranged in loam cake 4 center portions and be expelled back into the circulatory system.Because the shell 3 in the rotary compressor provided by the invention does not have therefore can guarantee that the performance of compressor is intact because of thermal distortion appears in welding with the structure of upper bearing 52 and cylinder 55.In addition, described groove 8 also can be formed on the outer peripheral surface of cylinder 55 or lower bearing 53, needs to adjust the position of annular boss 9 on the shell 3 this moment.
Claims (4)
1, a kind of rotary compressor comprises seal container, electromechanical part and compression mechanical portion; Wherein seal container is by cylindrical housing (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 cylindrical housing (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 (50) is positioned at the bottom of seal container, mainly comprise cylinder (55), respectively be installed in cylinder (55) upper and lower end face upper bearing (52) and lower bearing (53), run through the center of rotor (12) and cylinder (55), 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 (50) and be enclosed within the outside of bent axle (31) lower eccentric portion (31a), and can rotate in cylinder (55) and roll ring (36) with compression refrigerant; It is characterized in that: its circumferencial direction of outer peripheral surface upper edge of described upper bearing (52) equidistantly is formed with three grooves (8), and the corresponding site that upper bearing (52) is installed on the peripheral wall of shell (3) is then along inside outstanding three annular boss (9) that can be inserted into groove (8) inside that are formed with of its circumferencial direction.
2, rotary compressor according to claim 1 is characterized in that: described groove (8) cross section is rounded, and the center of circle of its center of circle and annular boss (9) is located on the same line.
3, rotary compressor according to claim 1 is characterized in that: described annular boss (9) is to be formed by welding hole (7) punching press on the shell (3).
4, rotary compressor according to claim 1 is characterized in that: adopt between described groove (8) and annular boss (9) to fill in and expect to weld or seal with the bonding mode of tackiness agent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510014758 CN1916417A (en) | 2005-08-18 | 2005-08-18 | Revolve type compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510014758 CN1916417A (en) | 2005-08-18 | 2005-08-18 | Revolve type compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1916417A true CN1916417A (en) | 2007-02-21 |
Family
ID=37737462
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200510014758 Pending CN1916417A (en) | 2005-08-18 | 2005-08-18 | Revolve type compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1916417A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101598122B (en) * | 2009-07-10 | 2013-08-14 | 北京航空航天大学 | Metal housing with metal plate welded therein and welding method thereof |
| CN103362875A (en) * | 2012-04-07 | 2013-10-23 | 任文华 | Fan and jet nozzle thereof |
| CN109723642A (en) * | 2019-03-05 | 2019-05-07 | 苏州为山之环境技术有限公司 | A kind of screw compressor with rivet welding structure housing |
-
2005
- 2005-08-18 CN CN 200510014758 patent/CN1916417A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101598122B (en) * | 2009-07-10 | 2013-08-14 | 北京航空航天大学 | Metal housing with metal plate welded therein and welding method thereof |
| CN103362875A (en) * | 2012-04-07 | 2013-10-23 | 任文华 | Fan and jet nozzle thereof |
| CN109723642A (en) * | 2019-03-05 | 2019-05-07 | 苏州为山之环境技术有限公司 | A kind of screw compressor with rivet welding structure housing |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105556122B (en) | Compressor | |
| CN100516537C (en) | Fixed construction between engine body and engine shell of compressor | |
| CN103375174A (en) | Scroll expander | |
| CN103282659A (en) | Electric compressor | |
| CN1916417A (en) | Revolve type compressor | |
| CN103282668A (en) | Compressor | |
| CN105492769B (en) | Compressor | |
| CN2816416Y (en) | Rotary compressor | |
| CN204357704U (en) | A kind of rotary double cylinder compressor | |
| CN204082549U (en) | A kind of compressor | |
| JPH0134313B2 (en) | ||
| CN2816417Y (en) | Rotary compressor | |
| CN101635485A (en) | Integrated hydraulically-driven asynchronous generator | |
| CN1952402A (en) | Compressor pump and casing connecting structure | |
| CN202579195U (en) | Rotary fluid machine | |
| CN2826011Y (en) | Rotary compressor | |
| CN2846809Y (en) | Rotary compressor | |
| CN105370577A (en) | Compressor | |
| CN2844513Y (en) | Gas exhausting assembly of rotary compressor | |
| CN2826017Y (en) | Leakless connection structure for compressor pump and casing | |
| CN1952403A (en) | Compressor pump and casing connecting structure | |
| CN204041458U (en) | A kind of compressor | |
| CN2844506Y (en) | Rotary compressor | |
| CN1904366A (en) | Rotary compressor | |
| CN100540910C (en) | Compressor pump coupling method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Open date: 20070221 |