CN111594444A - Vertical rotary compressor - Google Patents
Vertical rotary compressor Download PDFInfo
- Publication number
- CN111594444A CN111594444A CN202010435843.XA CN202010435843A CN111594444A CN 111594444 A CN111594444 A CN 111594444A CN 202010435843 A CN202010435843 A CN 202010435843A CN 111594444 A CN111594444 A CN 111594444A
- Authority
- CN
- China
- Prior art keywords
- upper flange
- shell
- end surface
- crankshaft
- compressor
- 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
- 238000003860 storage Methods 0.000 claims abstract description 7
- 239000007788 liquid Substances 0.000 claims abstract description 6
- 230000001050 lubricating effect Effects 0.000 claims description 8
- 230000001680 brushing effect Effects 0.000 claims description 7
- 238000000227 grinding Methods 0.000 claims description 7
- 238000000576 coating method Methods 0.000 claims description 5
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000005728 strengthening Methods 0.000 claims description 2
- 230000030279 gene silencing Effects 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 230000009466 transformation Effects 0.000 abstract 1
- 238000003466 welding Methods 0.000 description 48
- 238000005096 rolling process Methods 0.000 description 9
- 239000003921 oil Substances 0.000 description 7
- 238000003754 machining Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 4
- 239000010949 copper Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 239000010687 lubricating oil Substances 0.000 description 3
- 238000005266 casting Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 239000004519 grease Substances 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 229910000679 solder Inorganic materials 0.000 description 2
- 230000003746 surface roughness Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C23/00—Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids
- F04C23/02—Pumps characterised by combination with, or adaptation to, specific driving engines or motors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/0021—Systems for the equilibration of forces acting on the pump
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/02—Lubrication; Lubricant separation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/12—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2240/00—Components
- F04C2240/30—Casings or housings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2240/00—Components
- F04C2240/50—Bearings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2240/00—Components
- F04C2240/60—Shafts
- F04C2240/601—Shaft flexion
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
- Compressor (AREA)
Abstract
The invention relates to a vertical rotary compressor, which comprises a shell, a stator, a rotor, a crankshaft, a cylinder, a piston, a silencing cavity and a liquid storage device, wherein the cylinder comprises a cylinder body, an upper flange and a lower flange; a plurality of machine legs are uniformly distributed on the outer side wall of the upper flange, a suction hole is also formed in the outer side wall of the upper flange, an upper lantern ring is arranged on the outer edge of the upper flange in an upward extending mode, a lower lantern ring is arranged on the outer edge of the upper flange in a downward extending mode, and the upper lantern ring and the lower lantern ring are respectively sleeved on the outer walls of the shell and the lower shell cover and are connected with the shell and the lower shell cover into a whole; a thrust bearing is arranged between the upper end surface of the upper flange and the lower end surface of the rotor; through transformation, the performances of all aspects of the rotary compressor are greatly improved, and the service life of the compressor is greatly prolonged.
Description
Technical Field
The invention relates to the technical field of compressor equipment, in particular to a vertical rotary compressor.
Background
The existing vertical rotary compressor is usually connected by welding an upper flange on a shell, that is, the shell and a movement are welded together by the upper flange. Three points or six points are evenly distributed on the circumference of the shell and are welded with the upper flange. However, the welding point nearest to the wicking air hole and the included angle of the air suction hole in the horizontal direction are not in a uniform standard, and if the welding point is not reasonably arranged, the compressor vibrates greatly, and the pump body inclines in case of serious vibration, so that the compressor is blocked.
The pump body of the compressor is supported on the lower flange surface through the lower thrust surface of the crankshaft, the contact surface of the lower thrust surface of the crankshaft is semicircular, the contact area is small, the rotor applies downward vertical force through the crankshaft, the contact strength of the lower thrust surface is insufficient, the stress is uneven, and the pump body is easy to deflect. The crankshaft is provided with the upper thrust and the lower thrust, so that the weight of the eccentric part is increased, the weight of a rotor balance block is increased for keeping the dynamic balance of the compressor, the vibration of the compressor is further intensified, and meanwhile, the lower thrust surface is small in area, high in precision requirement and very difficult to machine; the lower thrust surface and the lower flange are in sliding friction, so that the friction loss is very large, and the overall performance of the compressor is influenced.
The compressor usually with the stator shrink fit in the casing, the pump body is then through last flange spot welding on the casing, the aircraft engine foot welds on the casing through resistance welding mode, the suction opening is also through copper pipe welding on the casing, this kind of mode structure is complicated, has a great deal of problems moreover: the pump body is connected with the shell in a spot welding mode, so that the connection strength is insufficient, and poor concentricity of the stator and the rotor is easily caused; the machine leg is usually formed by punching a hot rolled steel plate with the thickness of 2.0-3.0, and is welded on the shell in a resistance welding mode, so that the forming is difficult, the connection strength is insufficient, and the vibration of the compressor is easy to be large; the air suction hole is welded on the shell through a copper pipe, and the shell is difficult to manufacture; the weld joint is prone to leakage.
The radial friction pair of the vertical rotary compressor is mainly friction between the outer diameter of a long shaft of the crankshaft and the inner diameter of an upper flange, the outer diameter of a short shaft of the crankshaft and the inner diameter of a lower flange, the outer diameter of an eccentric part of the crankshaft and the inner diameter of a piston, and the outer diameter of the piston and the inner diameter of a cylinder, and the radial friction loss is an important factor influencing the performance of the compressor.
The above points are several problems of the vertical rotary compressor which have great influence on the performance of the compressor.
Disclosure of Invention
The present invention is directed to a vertical rotary compressor, which is improved in performance and service life by improving the performance of the compressor.
The specific scheme of the invention is as follows: a vertical rotary compressor comprises a shell, a stator, a rotor, a crankshaft, a cylinder, a piston, a silencing cavity and a liquid storage device, wherein an upper shell cover and a lower shell cover are respectively arranged on the upper part and the lower part of the shell; the outer side wall of the upper flange is uniformly provided with a plurality of machine legs, the outer side wall of the upper flange is also provided with a suction hole, the suction hole is communicated with the liquid storage device, the machine legs, the suction hole and the upper flange are cast and formed into an integrated structure together, the outer edge of the upper flange extends upwards to be provided with an upper lantern ring, the outer edge of the upper flange extends downwards to be provided with a lower lantern ring, and the upper lantern ring and the lower lantern ring are respectively sleeved on the outer walls of the shell and the lower shell cover and are welded with the shell and the lower shell; and a thrust bearing is arranged between the upper end surface of the upper flange and the lower end surface of the rotor, and the upper surface and the lower surface of the thrust bearing are respectively propped against the end surface of the rotor and the upper end surface of the upper flange.
Furthermore, the length of the rolling pattern on the long shaft of the crankshaft is consistent with the connecting length of an upper flange of a cylinder of the rotary compressor, and a lubricating coating is filled in a groove of the rolling pattern; and grinding and brushing the surface of the rolled pattern, wherein the grinding and brushing depth does not exceed the depth of the groove of the rolled pattern.
Furthermore, the number of the machine legs is 3, and the bottom of each machine leg is provided with a reinforcing rib.
Furthermore, the thrust washer is also arranged on the upper end surface of the thrust bearing; the crankshaft is also provided with an oil hole which is used for lubricating the thrust bearing and is arranged between the lower end surface of the rotor and the end surface of the upper flange.
The invention has the following beneficial effects:
1. through the improvement to the compressor crankshaft, reduced the area of contact between the friction pair: after the rolling patterns are arranged on the relevant parts of the crankshaft, groove textures are formed on the surface, so that the contact area between the friction pairs is reduced; the oil storage effect between the friction pairs is increased: after the knurling of the crankshaft is processed, the surface forms the groove texture, lubricating oil can be stored in the groove, be favorable to the formation of oil film, can avoid forming dry friction between the friction pair, roll extrusion decorative pattern department can also fill and adopt lubricating grease or other lubricated coatings to can further improve lubricated effect.
2. The machine leg and the flange body are integrally cast: compared with the structure that the machine legs are directly welded on the outer wall of the shell, the structure has higher strength, does not have the risk of falling off of the machine legs, can ensure that the three machine legs are arranged on the same plane, and can reduce the vibration of the compressor; in addition, the molding process and the welding process of the machine legs are reduced, parts are also reduced, and the manufacturing cost of the compressor can be reduced; integrally casting the air suction hole and the upper flange: compared with the suction hole, the structure can better ensure the position degree of the suction hole in a copper pipe welding mode, and the risk of leakage at the joint of the suction hole can be avoided. The welding process and the parts are reduced, and the cost of the compressor is reduced.
3. The upper flange and the shell are subjected to girth welding, compared with a spot welding mode of the upper flange and the shell, the welding strength is higher, welding defects are easier to identify, insufficient welding is not easy to occur, and welding seams are uniform. The spot welding mode needs 3 or 6 solder joints to weld simultaneously, otherwise easily causes the welding department shrink deformation inconsistent, leads to stator rotor concentricity to be poor. The girth welding mode has the advantages of high welding efficiency, short time, uniform welding seam and difficulty in causing poor concentricity of the stator and the rotor due to welding deformation. In addition, a special welding device is required to be adopted in a spot welding mode, and the girth welding can share one welding machine with the girth welding of the upper shell cover and the lower shell cover, so that the investment of the device is saved.
4. The thrust bearing is arranged on the upper flange, so that the dynamic balance of the compressor is optimized, the vibration of the compressor is reduced, the original upper thrust and lower thrust of the crankshaft are eliminated, and the weight of the eccentric part of the crankshaft is reduced, so that the weight of the balance block is reduced, the dynamic balance of the compressor is optimized, and the vibration of the compressor is reduced; the bearing structure of the compressor is optimized, the risk of inclination of the pump body is reduced, the lower thrust surface of the crankshaft in the original scheme is semicircular, the bearing is uneven, the pump body is easy to incline, thrust bearings and thrust washers are arranged on the end surfaces of the rotor and the upper flange after improvement, the balls of the thrust bearings are evenly arranged, the axial stress is even, the risk of inclination of the pump body is reduced, and the gap between the stator and the rotor is ensured; the friction loss is reduced, the performance of the compressor is improved, sliding friction is formed between the crankshaft and the lower flange in the original scheme, and the thrust bearing and the thrust gasket are additionally arranged on the end faces of the rotor and the upper flange, so that the sliding friction is converted into rolling friction, the friction loss is reduced, and the performance of the compressor is improved; the machining difficulty is reduced, the manufacturing cost of the compressor is reduced, the reliability of the compressor is improved, and the machining of the lower thrust surface of the crankshaft is one of the difficulties in machining parts of the compressor. The verticality of the lower thrust surface and the crankshaft directly influences the concentricity between the compressor pump body and the stator, and the compressor noise is easily caused when the concentricity is serious. The lower thrust surface is difficult to grind, a special machine tool is required for processing, and the friction loss of the compressor is seriously influenced by the surface roughness.
Drawings
FIG. 1 is a schematic main sectional view of the present invention;
FIG. 2 is a schematic view of the main section of the upper flange according to the present invention;
FIG. 3 is a schematic view of a crankshaft configuration of the present invention;
fig. 4 is an enlarged schematic view of the structure at K in fig. 1.
In the figure: 1-upper shell cover, 2-crankshaft, 3-rotor, 4-stator, 5-shell, 6-silencing cavity, 7-upper flange, 8-cylinder, 9-lower shell cover, 10-lower flange, 11-reservoir, 12-machine foot, 13-upper lantern ring, 14-lower lantern ring, 15-air suction hole, 16-short shaft, 17-eccentric part, 18-long shaft, 19-rolling pattern, 20-thrust gasket, 21-thrust bearing, 22-piston.
Detailed Description
Referring to fig. 1-4, the invention is a vertical rotary compressor, comprising a shell 5, a stator 4, a rotor 3, a crankshaft 2, a cylinder, a piston 22, a silencing cavity 6 and a liquid reservoir 11, wherein the upper shell cover 1 and the lower shell cover 9 are respectively arranged on the upper part and the lower part of the shell, the cylinder comprises a cylinder body 8, an upper flange 7 and a lower flange 10, the crankshaft comprises a long shaft 18, a short shaft 16 and an eccentric part 17, and rolling patterns 19 are arranged on the radial friction outer surfaces of the long shaft, the short shaft and the eccentric part on the crankshaft; the outer side wall of the upper flange is uniformly provided with a plurality of machine legs 12, the outer side wall of the upper flange is also provided with a suction hole 15, the suction hole is communicated with the liquid storage device, the machine legs, the suction hole and the upper flange are cast and formed into an integrated structure together, the outer edge of the upper flange extends upwards to be provided with an upper lantern ring 13, the outer edge of the upper flange extends downwards to be provided with a lower lantern ring 14, and the upper lantern ring and the lower lantern ring are respectively sleeved on the outer walls of the shell and the lower shell cover and are welded with the shell and the lower shell; a thrust bearing 21 is arranged between the upper end face of the upper flange and the lower end face of the rotor, and the upper face and the lower face of the thrust bearing are respectively propped against the end face of the rotor and the upper end face of the upper flange.
Furthermore, in the embodiment, the length of the rolled pattern on the long shaft of the crankshaft is consistent with the connection length of the upper flange of the cylinder of the rotary compressor, and the grooves of the rolled pattern are also filled with a lubricating coating; and grinding and brushing the surface of the rolled pattern, wherein the grinding and brushing depth does not exceed the depth of the groove of the rolled pattern.
Further, the quantity of the undercarriage in this embodiment is 3, and the bottom of every undercarriage all is equipped with the strengthening rib.
Further, in the embodiment, a thrust washer 20 is also arranged on the upper end surface of the thrust bearing; the crankshaft is also provided with an oil hole which is used for lubricating the thrust bearing and is arranged between the lower end surface of the rotor and the end surface of the upper flange.
According to the invention, through the improvement on the crankshaft of the compressor, the contact area between the friction pairs is reduced: after the rolling patterns are arranged on the relevant parts of the crankshaft, groove textures are formed on the surface, so that the contact area between the friction pairs is reduced; the oil storage effect between the friction pairs is increased: after the knurling of the crankshaft is processed, the surface forms the groove texture, lubricating oil can be stored in the groove, be favorable to the formation of oil film, can avoid forming dry friction between the friction pair, roll extrusion decorative pattern department can also fill and adopt lubricating grease or other lubricated coatings to can further improve lubricated effect.
The pattern rolling process usually uses rollers to roll the surface of the crankshaft part to be processed, so that it produces a certain plastic deformation to form the pattern. The crankshaft surface is subjected to knurling treatment to form regular surface textures, so that the contact area of a friction pair of the crankshaft can be reduced, lubricating oil can be stored in the grooves of the rolled patterns, and formation of an oil film is facilitated, so that friction is reduced, grinding and brushing treatment are performed after the crankshaft knurling treatment, the smoothness of the contact surface is improved, and burrs of the contact surface formed after the knurling treatment are eliminated.
The machine leg and the flange body are integrally cast: compared with the structure that the machine legs are directly welded on the outer wall of the shell, the structure has higher strength, does not have the risk of falling off of the machine legs, can ensure that the three machine legs are arranged on the same plane, and can reduce the vibration of the compressor; in addition, the molding process and the welding process of the machine legs are reduced, parts are also reduced, and the manufacturing cost of the compressor can be reduced; integrally casting the air suction hole and the upper flange: compared with the suction hole, the structure can better ensure the position degree of the suction hole in a copper pipe welding mode, and the risk of leakage at the joint of the suction hole can be avoided. The welding process and the parts are reduced, and the cost of the compressor is reduced.
According to the invention, the upper flange, the shell and the lower shell cover are connected in a girth welding mode, compared with a spot welding mode of the upper flange and the shell, the welding strength is higher, welding defects are easier to identify, a false welding condition is not easy to occur, and welding seams are uniform. The spot welding mode needs 3 or 6 solder joints to weld simultaneously, otherwise easily causes the welding department shrink deformation inconsistent, leads to stator rotor concentricity to be poor. The girth welding mode has the advantages of high welding efficiency, short time, uniform welding seam and difficulty in causing poor concentricity of the stator and the rotor due to welding deformation. In addition, a special welding device is required to be adopted in a spot welding mode, and the girth welding can share one welding machine with the girth welding of the upper shell cover and the lower shell cover, so that the investment of the device is saved.
The thrust bearing is arranged on the upper flange, so that the dynamic balance of the compressor is optimized, the vibration of the compressor is reduced, the original upper thrust and lower thrust of the crankshaft are eliminated, and the weight of the eccentric part of the crankshaft is reduced, so that the weight of the balance block is reduced, the dynamic balance of the compressor is optimized, and the vibration of the compressor is reduced; the bearing structure of the compressor is optimized, the risk of inclination of the pump body is reduced, the lower thrust surface of the crankshaft in the original scheme is semicircular, the bearing is uneven, the pump body is easy to incline, thrust bearings and thrust washers are arranged on the end surfaces of the rotor and the upper flange after improvement, the balls of the thrust bearings are evenly arranged, the axial stress is even, the risk of inclination of the pump body is reduced, and the gap between the stator and the rotor is ensured; the friction loss is reduced, the performance of the compressor is improved, sliding friction is formed between the crankshaft and the lower flange in the original scheme, and the thrust bearing and the thrust gasket are additionally arranged on the end faces of the rotor and the upper flange, so that the sliding friction is converted into rolling friction, the friction loss is reduced, and the performance of the compressor is improved; the machining difficulty is reduced, the manufacturing cost of the compressor is reduced, the reliability of the compressor is improved, and the machining of the lower thrust surface of the crankshaft is one of the difficulties in machining parts of the compressor. The verticality of the lower thrust surface and the crankshaft directly influences the concentricity between the compressor pump body and the stator, and the compressor noise is easily caused when the concentricity is serious. The lower thrust surface is difficult to grind, a special machine tool is required for processing, and the friction loss of the compressor is seriously influenced by the surface roughness.
The above-described embodiments are illustrative of the preferred embodiment of the present invention, and are not to be construed as limiting, any equivalent alterations made on the principles of the present invention, without departing from the scope of the invention as defined by the appended claims.
Claims (4)
1. The utility model provides a vertical rotary compressor, is including casing, stator, rotor, bent axle, cylinder, piston, amortization chamber and reservoir, is equipped with cap and lower cap from top to bottom respectively for the casing, and the cylinder is including cylinder body, upper flange and lower flange, and the bent axle is including major axis, minor axis and eccentric section, its characterized in that: the radial friction outer surfaces of the long shaft, the short shaft and the eccentric part on the crankshaft are provided with rolled patterns; the outer side wall of the upper flange is uniformly provided with a plurality of machine legs, the outer side wall of the upper flange is also provided with a suction hole, the suction hole is communicated with the liquid storage device, the machine legs, the suction hole and the upper flange are cast and formed into an integrated structure together, the outer edge of the upper flange extends upwards to be provided with an upper lantern ring, the outer edge of the upper flange extends downwards to be provided with a lower lantern ring, and the upper lantern ring and the lower lantern ring are respectively sleeved on the outer walls of the shell and the lower shell cover and are welded with the shell and the lower shell; and a thrust bearing is arranged between the upper end surface of the upper flange and the lower end surface of the rotor, and the upper surface and the lower surface of the thrust bearing are respectively propped against the end surface of the rotor and the upper end surface of the upper flange.
2. The vertical rotary compressor of claim 1, wherein: the length of a rolled pattern on a long shaft of the crankshaft is consistent with the connecting length of an upper flange of a cylinder of the rotary compressor, and a lubricating coating is filled in a groove of the rolled pattern; and grinding and brushing the surface of the rolled pattern, wherein the grinding and brushing depth does not exceed the depth of the groove of the rolled pattern.
3. The vertical rotary compressor of claim 1, wherein: the quantity of undercarriage is 3, and the bottom of every undercarriage all is equipped with the strengthening rib.
4. The vertical rotary compressor of claim 1, wherein: the upper end surface of the thrust bearing is also provided with a thrust washer; the crankshaft is also provided with an oil hole which is used for lubricating the thrust bearing and is arranged between the lower end surface of the rotor and the end surface of the upper flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010435843.XA CN111594444A (en) | 2020-05-21 | 2020-05-21 | Vertical rotary compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010435843.XA CN111594444A (en) | 2020-05-21 | 2020-05-21 | Vertical rotary compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111594444A true CN111594444A (en) | 2020-08-28 |
Family
ID=72183907
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010435843.XA Pending CN111594444A (en) | 2020-05-21 | 2020-05-21 | Vertical rotary compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111594444A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024122844A1 (en) * | 2022-12-05 | 2024-06-13 | 삼성전자주식회사 | Rotary compressor and home appliance comprising same |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202187919U (en) * | 2011-07-25 | 2012-04-11 | 安徽美芝精密制造有限公司 | Rotary type compressor |
| CN203500015U (en) * | 2013-09-09 | 2014-03-26 | 广东美芝制冷设备有限公司 | Crankshaft for rotary compressor and rotary compressor with crankshaft |
| CN105458224A (en) * | 2014-08-28 | 2016-04-06 | 上海日立电器有限公司 | Compressor and manufacturing method for composite rack thereof |
| CN105464982A (en) * | 2014-08-28 | 2016-04-06 | 上海日立电器有限公司 | Compressor |
| CN107218223A (en) * | 2017-07-28 | 2017-09-29 | 广东美芝制冷设备有限公司 | Rotary compressor |
-
2020
- 2020-05-21 CN CN202010435843.XA patent/CN111594444A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202187919U (en) * | 2011-07-25 | 2012-04-11 | 安徽美芝精密制造有限公司 | Rotary type compressor |
| CN203500015U (en) * | 2013-09-09 | 2014-03-26 | 广东美芝制冷设备有限公司 | Crankshaft for rotary compressor and rotary compressor with crankshaft |
| CN105458224A (en) * | 2014-08-28 | 2016-04-06 | 上海日立电器有限公司 | Compressor and manufacturing method for composite rack thereof |
| CN105464982A (en) * | 2014-08-28 | 2016-04-06 | 上海日立电器有限公司 | Compressor |
| CN107218223A (en) * | 2017-07-28 | 2017-09-29 | 广东美芝制冷设备有限公司 | Rotary compressor |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024122844A1 (en) * | 2022-12-05 | 2024-06-13 | 삼성전자주식회사 | Rotary compressor and home appliance comprising same |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111594444A (en) | Vertical rotary compressor | |
| CN104696348B (en) | A kind of Multi-cylinder diesel engine crank shaft and production method | |
| KR20020044453A (en) | surface treatment method of sliding parts for hermetic compressor | |
| CN114060274B (en) | Pump body structure, compressor and air conditioner | |
| CN105051386A (en) | Sliding surface | |
| JP2018155355A (en) | bearing | |
| CN206988058U (en) | Bent axle and compressor for compressor | |
| CN105715511B (en) | Compressor | |
| CN105201851B (en) | A kind of bent axle of compressor of air conditioner | |
| CN212130796U (en) | Crankshaft for rotary compressor | |
| CN107288845A (en) | Bent axle and compressor for compressor | |
| CN109236596B (en) | Swash plate type hydraulic axial plunger pump/motor heavy-load slipper pair antifriction disc | |
| CN116336082A (en) | High-speed deep groove ball bearing retainer with oil storage groove structure | |
| CN106351955A (en) | Coiling shaft half bushing and production technology thereof | |
| CN206845472U (en) | Rolling rotor compressor and refrigeration plant | |
| CN102251953B (en) | Pump body structure of compressor and compressor with same | |
| CN111287940B (en) | Crankshaft and compressor | |
| CN212079629U (en) | Rotary compressor pump body and motor connecting structure | |
| CN216044392U (en) | Rotor-crankshaft structure and compressor | |
| JP4841212B2 (en) | Plunger drive structure | |
| CN102011724A (en) | Full enclosed reciprocating type piston refrigeration compressor | |
| CN216866850U (en) | Piston capable of improving lubricating degree | |
| CN101230876A (en) | Crankshaft | |
| CN113847241A (en) | Rotor-crankshaft structure for compressor pump body and compressor | |
| JPH0536995Y2 (en) |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20210513 Address after: No.6, East Jinshan Avenue, Tieshan District, Huangshi economic and Technological Development Zone, Hubei Province Applicant after: Huangshi Dongbei Compressor Co.,Ltd. Address before: No. 6, East Jinshan Avenue, Huangshi economic and Technological Development Zone, Huangshi City, Hubei Province Applicant before: Huangshi Dongbei Electrical Appliance Co.,Ltd. |
|
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200828 |