CN105736373A - Pump body assembly of rotating compressor and rotating compressor - Google Patents
Pump body assembly of rotating compressor and rotating compressor Download PDFInfo
- Publication number
- CN105736373A CN105736373A CN201610251999.6A CN201610251999A CN105736373A CN 105736373 A CN105736373 A CN 105736373A CN 201610251999 A CN201610251999 A CN 201610251999A CN 105736373 A CN105736373 A CN 105736373A
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- Prior art keywords
- bearing
- cylinder
- pump assembly
- rotary compressor
- steel pipe
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Classifications
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- 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
- F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
- F04C18/30—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
- F04C18/34—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members
- F04C18/356—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the outer member
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- 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
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- 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
- F04C29/06—Silencing
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- 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
- F04C2240/10—Stators
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- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
Abstract
The invention discloses a pump body assembly of a rotating compressor and the rotating compressor. The pump body assembly comprises an air cylinder, a bearing and a silencer. The air cylinder comprises a first steel tube and an extending part, and the extending part is formed by one part of a second steel tube and arranged on the outer wall of the first steel tube; the extending part and the first steel tube are concentric, a sliding sheet groove is formed in the air cylinder, the head of the sliding sheet groove is located on the first steel tube and penetrates the inner wall of the first steel tube, and the tail of the sliding sheet groove is located on the extending part; and the bearing is arranged at the top and/or the bottom of the air cylinder, and the silencer is arranged at one end, far away from the air cylinder, of the bearing. According to the pump body assembly of the rotating compressor, the air cylinder is arranged into a steel component formed by the first steel tube and one part of the second steel tube, and therefore the weight and the cost of the pump body assembly can be reduced; and in addition, the rigidity of the pump body assembly can be improved, and the performance of the rotating compressor can be improved accordingly.
Description
Technical field
The present invention relates to Compressor Technology field, especially relate to pump assembly and the rotary compressor of a kind of rotary compressor.
Background technology
In correlation technique, the pump assembly of rotary compressor includes cylinder and bearing, cylinder and bearing and is generally adopted solid casting, there is the deficiencies such as weight is big, relatively costly, roughing chip surplus is big.Secondly, the physical characteristic of foundry goods is except wearability is good, and all the other indexs such as elastic modelling quantity, tensile strength is all relatively low, thus reducing the performance of pump assembly.
Summary of the invention
It is contemplated that one of technical problem solved at least to a certain extent in correlation technique.For this, the present invention proposes the pump assembly of a kind of rotary compressor, and pump assembly weight is little, cost is low for this, good rigidly, it is possible to improve the performance of rotary compressor.
The invention allows for a kind of rotary compressor with above-mentioned pump assembly.
The pump assembly of the rotary compressor of embodiment according to a first aspect of the present invention, including: cylinder, described cylinder includes the first steel pipe and extension, described extension is made up of a part for the second steel pipe, described extension is located on the outer wall of described first steel pipe, wherein said extension is concentric with described first steel pipe, wherein said cylinder is provided with vane slot, the head of described vane slot is positioned on described first steel pipe and runs through the inwall of described first steel pipe, and the afterbody of described vane slot is positioned on described extension；Bearing, described bearing is located at top and/or the bottom of described cylinder；Deafener, described deafener is located at one end away from described cylinder of described bearing.
The pump assembly of rotary compressor according to embodiments of the present invention, by cylinder being arranged to the steel beam column being made up of a part for the first steel pipe and the second steel pipe, thus can reduce weight and the cost of pump assembly, and the rigidity of pump assembly can be improved, such that it is able to improve the performance of rotary compressor.
According to some embodiments of the present invention, described bearing is formed by steel plate spinning.
Alternatively, the steel plate thickness making described bearing ranges for 2.5-5mm.
According to some embodiments of the present invention, described bearing and described cylinder are welded to connect.
Further, the end face away from described cylinder of described bearing is provided with the pit relative with the weld seam between described bearing and described cylinder.
According to some embodiments of the present invention, the inwall that the weld seam between described bearing and described cylinder is annular and contiguous described first steel pipe is arranged.
Alternatively, the width range of described weld seam is 0.5-5mm.
According to some embodiments of the present invention, the weld seam between described bearing and described cylinder is multiple and along described cylinder circumferentially-spaced distribution.
Alternatively, the diameter range that each is circular and described weld seam in multiple described weld seams is 1.5～10mm.
According to some embodiments of the present invention, the wall thickness that the wall thickness of described first steel pipe is corresponding in the radial direction more than or equal to the afterbody being positioned at described vane slot on described extension.
Alternatively, described deafener and described bearing are welded to connect.
According to some embodiments of the present invention, described bearing is formed the air vent that the inner chamber with the inner chamber of described deafener and described cylinder all connects, described air vent is provided with exhaust valve plate and the lift stopper of exhaust valve plate, described lift stopper and described bearing described in backstop is welded to connect.
The rotary compressor of embodiment according to a second aspect of the present invention, including the pump assembly of the rotary compressor according to the above-mentioned first aspect embodiment of the present invention.
Rotary compressor according to embodiments of the present invention, by arranging above-mentioned pump assembly, it is possible to reduces weight and the cost of rotary compressor, it is possible to improve the performance of rotary compressor.
The additional aspect of the present invention and advantage will part provide in the following description, and part will become apparent from the description below, or is recognized by the practice of the present invention.
Accompanying drawing explanation
Above-mentioned and/or the additional aspect of the present invention and advantage are from conjunction with will be apparent from easy to understand the accompanying drawings below description to embodiment, wherein:
Fig. 1 is the schematic diagram of the pump assembly of rotary compressor according to embodiments of the present invention；
Fig. 2 is the top view of the pump assembly of rotary compressor according to embodiments of the present invention；
Fig. 3 is the explosive view of the pump assembly of rotary compressor according to embodiments of the present invention；
Fig. 4 is the schematic diagram of the bearing of pump assembly according to an embodiment of the invention；
Fig. 5 is the schematic diagram of the cylinder of pump assembly according to an embodiment of the invention；
Fig. 6 is the assemble welding schematic diagram of the bearing of pump assembly according to an embodiment of the invention and cylinder；
Fig. 7 is the schematic diagram of the bearing of pump assembly in accordance with another embodiment of the present invention；
Fig. 8 is the schematic diagram of the cylinder of pump assembly in accordance with another embodiment of the present invention；
Fig. 9 is the assemble welding schematic diagram of the bearing of pump assembly in accordance with another embodiment of the present invention and cylinder.
Accompanying drawing labelling:
Pump assembly 100,
Cylinder 1, the first steel pipe 11, extension 12, vane slot 13, annular boss 14, groove 15,
Upper bearing (metal) 2, protruding 21, air vent 22, spill port 23, lower bearing 3,
Slide plate 4, deafener 5, piston 6, bent axle 7, eccentric part 71.
Detailed description of the invention
Being described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has the element of same or like function from start to finish.The embodiment described below with reference to accompanying drawing is illustrative of, and is only used for explaining the present invention, and is not considered as limiting the invention.
In describing the invention, it will be appreciated that, term " " center ", " length ", " width ", " thickness ", " on ", D score, " top ", " end ", " interior ", the orientation of the instruction such as " outward " or position relationship be based on orientation shown in the drawings or position relationship; be for only for ease of the description present invention and simplifying and describe; rather than instruction or imply indication device or element must have specific orientation, with specific azimuth configuration and operation, be therefore not considered as limiting the invention.Additionally, term " first ", " second " are only for descriptive purposes, and it is not intended that indicate or imply relative importance or the implicit quantity indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or implicitly include one or more these features.In describing the invention, " multiple " are meant that two or more, unless otherwise expressly limited specifically.
In describing the invention, it is necessary to explanation, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, for instance, it is possible to it is fixing connection, it is also possible to be removably connect, or connect integratedly；Can be mechanically connected, it is also possible to be electrical connection；Can be joined directly together, it is also possible to be indirectly connected to by intermediary, it is possible to be connection or the interaction relationship of two elements of two element internals.For the ordinary skill in the art, it is possible to understand above-mentioned term concrete meaning in the present invention as the case may be.
The pump assembly 100 of rotary compressor according to embodiments of the present invention is described below with reference to Fig. 1-Fig. 9.
As shown in Fig. 1-Fig. 9, the pump assembly 100 of the rotary compressor of embodiment according to a first aspect of the present invention, including cylinder 1, bearing and deafener 5.
Specifically, cylinder 1 includes the first steel pipe 11 and extension 12, extension 12 is made up of a part for the second steel pipe, extension 12 is located on the outer wall of the first steel pipe 11, wherein extension 12 is concentric with the first steel pipe 11, the outer wall that thus can make extension 12 and the first steel pipe 11 is fitted, it is simple to the connection of the first steel pipe 11 and extension 12.Thus, may be constructed cylinder 1 by a part for the first steel pipe 11 and the second steel pipe.Extension 12 and the first steel pipe 11 can pass through soldering (such as copper brazing) and connect.
Wherein, the first steel pipe 11 can be that the height that the steel pipe cutting of strip is suitable for forms, and the second steel pipe can be after steel pipe cuts into applicable height, more radially cut by the second steel pipe and be divided into some equal portions, takes a copy of it as above-mentioned extension 12.Thus, it is simple to buying and storage, it is possible to realize batch production, production cost is reduced.
Alternatively.The wall thickness of the first steel pipe 11 and the second steel pipe can according to actual strength need select suitable wall thickness.Such as, the wall thickness d1 of the first steel pipe 11 may range from 3-12mm.
Wherein cylinder 1 is provided with vane slot 13, is provided with slidably slide plate 4 in vane slot 13.The head (head of vane slot 13 refers to that vane slot 13 is close to the one end at the center of cylinder 1) of vane slot 13 is positioned on the first steel pipe 11 and runs through the inwall of the first steel pipe 11, and thus the head of slide plate 4 can slide into the interior intracavity of cylinder 1.The afterbody (afterbody of vane slot 13 refers to vane slot 13 one end away from the center of cylinder 1) of vane slot 13 is positioned on extension 12.
Bearing is located at top and/or the bottom of cylinder 1, that is, bearing can be located at the top of cylinder 1, now bearing is the upper bearing (metal) 2 of pump assembly 100, bearing can also be located at the bottom of cylinder 1, now bearing is the lower bearing 3 of pump assembly 100, or bearing can also be respectively provided at top and the bottom of cylinder 1, and now bearing includes upper bearing (metal) 2 and lower bearing 3.Additionally, bearing is also provided with the spill port 23 for oil return.
Deafener 5 is located at one end away from cylinder 1 of bearing, limits silencing cavity between deafener 5 and bearing.It is understood that when bearing is upper bearing (metal) 2, deafener 5 is located at the upper end of bearing；When bearing is lower bearing 3, deafener 5 is located at the lower end of bearing.
It is understood that the wall thickness d2 that reference Fig. 5, the wall thickness d1 of the first steel pipe 11 are corresponding in the radial direction more than or equal to the afterbody being positioned at vane slot 13 on extension 12.The wall thickness corresponding in the radial direction due to the afterbody of vane slot 13 is usually the part that cylinder 1 wall thickness is the thinnest, the part that namely intensity of cylinder 1 is the weakest, wall thickness at cylinder 1 weakest part meets requirement of strength, if the part that the wall thickness d1 of the first steel pipe 11 is the thinnest more than or equal to cylinder 1 wall thickness, the wall thickness d1 that just can make the first steel pipe 11 meets the wall thickness requirement of cylinder 1, namely can meet the requirement of strength of cylinder 1.
Compared with traditional pump assembly, the pump assembly 100 of the present invention is the steel beam column adopting steel pipe to make, thus can reduce the weight of pump assembly 100, steel not only has good wearability, its elastic modelling quantity and tensile strength are all higher, thus can improve the rigidity of pump assembly 100, it is poor that high rigidity is conducive to pump assembly 100 to resist pump assembly 100 internal pressure, reduce part deformation, improve the fit-up gap of pump assembly 100, thus can while ensureing the intensity of pump assembly 100, the wall thickness of cylinder 1 can be reduced largely, alleviate the weight of rotary compressor.It addition, the processing of steel pipe can realize mechanization production, greatly reduce cost of labor and die cost, such that it is able to reduce the production cost of pump assembly 100.
The pump assembly 100 of rotary compressor according to embodiments of the present invention, by cylinder 1 being arranged to the steel beam column being made up of a part for the first steel pipe 11 and the second steel pipe, thus can reduce weight and the cost of pump assembly 100, and the rigidity of pump assembly 100 can be improved, such that it is able to improve the performance of rotary compressor.
Alternatively, bearing can be formed by steel plate spinning, thus can reduce the heavyweight cost of pump assembly 100 further, improves the rigidity of pump assembly 100.Alternatively, the steel plate thickness making bearing may range from 2.5-5mm.Thus, when ensureing the intensity of bearing, it is possible to be greatly reduced the weight of bearing.
Can pass through between bearing and cylinder 1 to be welded to connect, for instance electric resistance welding or Laser Welding can be adopted.Thus, by welding realization assembling between bearing and cylinder 1, it is possible to save the processing cost of screw cost and screw hole, such that it is able to reduce the production cost of pump assembly 100 further.And, adopt the mode of assemble welding between bearing and cylinder 1 so that the better tightness of pump assembly 100, be conducive to improving the performance of rotary compressor.
Before cylinder 1 welds with bearing, it is necessary to weld again after cylinder 1 and bearing are carried out assembling location.At this point it is possible to arrange two screw holes for positioning on the upper surface of the first steel pipe 11, thus it is easy to cylinder 1 and bearing are positioned before welding.
In some embodiments of the invention, with reference to Fig. 4-Fig. 6, the inwall that the weld seam between bearing and cylinder 1 can be annular and contiguous first steel pipe 11 is arranged.Thus, it is possible to ensure that pump assembly 100 has good sealing.It should be noted that the width of weld seam can be determined according to the size of pump assembly 100 and requirement of strength.The width of the weld seam of annular can account for the whole of cylinder 1 wall thickness, it is also possible to only accounts for a part for cylinder 1 wall thickness.Such as, the width d3 of weld seam may range from 0.5-5mm, thus both can ensure that the intensity of weld seam, can reduce again welding cost.
Such as, in the example of Fig. 4-Fig. 6, bearing is located at the top of cylinder 1, and now bearing is the upper bearing (metal) 2 of pump assembly 100, and the weld seam of annular is arranged between the lower surface of bearing and the upper surface of cylinder 1.The weld seam of annular only accounts for a part for cylinder 1 wall thickness, and on the upper surface of cylinder 1, the position of contiguous cylinder 1 inwall is provided with the annular boss 14 for welding, and can be welded with bearing by the annular boss 14 on cylinder 1 when cylinder 1 welds with bearing.Thus, it is easy to cylinder 1 and bearing welding, make the inwall of the contiguous cylinder 1 of weld seam of annular simultaneously, can ensure that the inwall of cylinder 1 keeps flushing with the medial wall of the weld seam of annular in the vertical direction substantially, avoid the inner side at the weld seam of annular to produce the gap of annular, affect the performance of pump assembly 100.
Certainly, when bearing is located at the bottom of cylinder 1, when namely bearing is the lower bearing 3 of pump assembly 100, the weld seam of annular is arranged between the upper surface of bearing and the lower surface of cylinder 1.When weld seam in annular only accounts for cylinder 1 wall thickness a part of, the position that above-mentioned annular boss 14 can be located on the lower surface of cylinder 1 contiguous cylinder 1 inwall.
In other embodiments of the present invention, with reference to Fig. 7-Fig. 9, the weld seam between bearing and cylinder 1 can be multiple (such as five) and the circumferentially-spaced distribution along cylinder 1, namely can adopt spot welding or distributed areas weldering between cylinder 1 and bearing.The shape of weld seam can be circular, square, oval etc., and weld seam can also be the circumferentially extending strip along cylinder 1.Alternatively, when each in multiple weld seams is circular, the diameter d4 of weld seam may range from 1.5～10mm.Thus, when ensureing weld strength, it is possible to reduce welding cost.
Such as, in the example of Fig. 7-Fig. 9, bearing is located at the top of cylinder 1, now bearing is the upper bearing (metal) 2 of pump assembly 100, the lower surface of bearing is formed multiple circumferentially distributed projection 21, being formed on the relevant position of the upper surface of cylinder 1 and multiple protruding 21 suitable multiple grooves 15, when being welded with cylinder 1 by bearing, weld seam is formed between projection 21 and the groove 15 of often organizing correspondence.Cooperation is welded, it is possible to make the upper surface of cylinder 1 be in close contact with the lower surface of bearing, thereby may be ensured that the sealing that pump assembly 100 welds by what make boss and groove 15.
Certainly, when bearing is located at the bottom of cylinder 1, namely bearing is the lower bearing 3 of pump assembly 100, similarly, the upper surface of bearing is now formed multiple circumferentially distributed projection 21, being formed on the relevant position of the lower surface of cylinder 1 and multiple protruding 21 suitable multiple grooves 15, when being welded with cylinder 1 by bearing, weld seam is formed between projection 21 and the groove 15 of often organizing correspondence.
In further embodiment of the present invention, the end face away from cylinder 1 of bearing is provided with the pit relative with the weld seam between bearing and cylinder 1.Such as, when bearing is located at the top of cylinder 1, when namely bearing is the upper bearing (metal) 2 of pump assembly 100, the upper surface of bearing is provided with the pit relative with weld seam；When bearing is located at the bottom of cylinder 1, when namely bearing is the lower bearing 3 of pump assembly 100, the lower surface of bearing is provided with the pit relative with weld seam.Thus, when the assemble welding quality not affected between bearing and cylinder 1, it is possible to reduce the wall thickness with weld seam opposite segments of bearing, thus while ensureing weld strength, it is possible to reduce welding input power such that it is able to welding cost can be reduced.Alternatively, pit is corresponding with the shape of weld seam, for instance when weld seam is annular, and pit is also annular；When weld seam is multiple circle, pit can be the multiple circles being distributed on bearing.
Certainly, cylinder 1 needs to meet the requirement of pump assembly 100 fit-up gap, generally radially deflection≤8 μm, deflection≤8 μm of short transverse with the caused deflection that welds of bearing." radially " described here refers to the radial direction along cylinder 1 or bearing, and " short transverse " refers to the direction of the central axis along cylinder 1, it is possible to reference to the above-below direction in Fig. 1 and Fig. 3.
Alternatively, deafener 5 can be welded to connect with bearing (bearing can be the upper bearing (metal) 2 at the top being located at cylinder 1, and bearing can also be located at the lower bearing 3 bottom cylinder 1), for instance can adopt electric resistance welding or Laser Welding.Namely can pass through to weld between bearing and deafener 5 to realize assembling, such that it is able to save the processing cost of screw cost and screw hole, such that it is able to reduce the production cost of pump assembly 100 further.
Wherein, deafener 5 can be one, it is also possible to for multiple (such as two).When deafener 5 is multiple, multiple deafeners 5 are stacked on bearing along the vertical direction, can pass through to be welded to connect between multiple deafeners 5.
Further, (bearing can be the upper bearing (metal) 2 at the top being located at cylinder 1 to bearing, bearing can also be located at the lower bearing 3 bottom cylinder 1) on be also formed with the air vent 22 that the inner chamber of the inner chamber with deafener 5 and cylinder 1 all connects, air vent 22 is provided with exhaust valve plate and the lift stopper for backstop exhaust valve plate, and wherein lift stopper and bearing can pass through to be welded to connect.Thus, not only without offering screw hole on bearing, and cylinder 1 dodges hole without offering for what dodge screw, such that it is able to save the processing cost of screw cost and screw hole, such that it is able to reduce the production cost of pump assembly 100 further.
It addition, pump assembly 100 can also include piston 6 and bent axle 7, piston 6 can adopt the hollow piston with cavity, it would however also be possible to employ conventional piston.Bent axle 7 can be conventional bent axle, and bent axle 7 and eccentric part 71 thereof can also be formed by the steel-pipe welding of different tube diameters.Thus, it is possible to alleviate the weight of whole pump assembly 100 further, reduce cost further, it is possible to ensure intensity and the rigidity of whole pump assembly 100.
The rotary compressor of embodiment according to a second aspect of the present invention, including the pump assembly 100 of the rotary compressor according to the above-mentioned first aspect embodiment of the present invention.
Rotary compressor according to embodiments of the present invention, by arranging above-mentioned pump assembly 100, it is possible to reduces weight and the cost of rotary compressor, and improves the performance of rotary compressor.
In the description of this specification, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " illustrative examples ", " example ", " concrete example " or " some examples " etc. means in conjunction with this embodiment or example describe are contained at least one embodiment or the example of the present invention.In this manual, the schematic representation of above-mentioned term is not necessarily referring to identical embodiment or example.And, the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiments or example.
Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that: these embodiments can being carried out multiple change, amendment, replacement and modification when without departing from principles of the invention and objective, the scope of the present invention is limited by claim and equivalent thereof.
Claims (13)
1. the pump assembly of a rotary compressor, it is characterised in that including:
Cylinder, described cylinder includes the first steel pipe and extension, described extension is made up of a part for the second steel pipe, described extension is located on the outer wall of described first steel pipe, wherein said extension is concentric with described first steel pipe, wherein said cylinder is provided with vane slot, and the head of described vane slot is positioned on described first steel pipe and runs through the inwall of described first steel pipe, and the afterbody of described vane slot is positioned on described extension；
Bearing, described bearing is located at top and/or the bottom of described cylinder；
Deafener, described deafener is located at one end away from described cylinder of described bearing.
2. the pump assembly of rotary compressor according to claim 1, it is characterised in that described bearing is formed by steel plate spinning.
3. the pump assembly of rotary compressor according to claim 2, it is characterised in that the steel plate thickness making described bearing ranges for 2.5-5mm.
4. the pump assembly of rotary compressor according to claim 1, it is characterised in that described bearing and described cylinder are welded to connect.
5. the pump assembly of rotary compressor according to claim 4, it is characterised in that the end face away from described cylinder of described bearing is provided with the pit relative with the weld seam between described bearing and described cylinder.
6. the pump assembly of rotary compressor according to claim 4, it is characterised in that the inwall that the weld seam between described bearing and described cylinder is annular and contiguous described first steel pipe is arranged.
7. the pump assembly of rotary compressor according to claim 6, it is characterised in that the width range of described weld seam is 0.5-5mm.
8. the pump assembly of rotary compressor according to claim 4, it is characterised in that the weld seam between described bearing and described cylinder is multiple and along described cylinder circumferentially-spaced distribution.
9. the pump assembly of rotary compressor according to claim 8, it is characterised in that the diameter range that each is circular and described weld seam in multiple described weld seams is 1.5～10mm.
10. the pump assembly of rotary compressor according to claim 1, it is characterised in that the wall thickness that the wall thickness of described first steel pipe is corresponding in the radial direction more than or equal to the afterbody being positioned at described vane slot on described extension.
11. the pump assembly of rotary compressor according to claim 1, it is characterised in that described deafener and described bearing are welded to connect.
12. the pump assembly of rotary compressor according to claim 1, it is characterized in that, described bearing is formed the air vent that the inner chamber with the inner chamber of described deafener and described cylinder all connects, described air vent is provided with exhaust valve plate and the lift stopper of exhaust valve plate, described lift stopper and described bearing described in backstop is welded to connect.
13. a rotary compressor, it is characterised in that include the pump assembly of rotary compressor according to any one of claim 1-12.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610251999.6A CN105736373B (en) | 2016-04-20 | 2016-04-20 | The pump assembly and rotary compressor of rotary compressor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610251999.6A CN105736373B (en) | 2016-04-20 | 2016-04-20 | The pump assembly and rotary compressor of rotary compressor |
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| CN105736373A true CN105736373A (en) | 2016-07-06 |
| CN105736373B CN105736373B (en) | 2018-01-30 |
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| CN201610251999.6A Active CN105736373B (en) | 2016-04-20 | 2016-04-20 | The pump assembly and rotary compressor of rotary compressor |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110711938A (en) * | 2018-06-26 | 2020-01-21 | 上海海立电器有限公司 | Laser welding method for silencer and cylinder cover |
| CN112833013A (en) * | 2021-03-22 | 2021-05-25 | 广东美芝精密制造有限公司 | Cylinder, compressor, refrigeration equipment and production process |
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| CN105464988A (en) * | 2016-02-02 | 2016-04-06 | 安徽美芝精密制造有限公司 | Bearing of compressor and compressor |
| CN205714767U (en) * | 2016-04-20 | 2016-11-23 | 广东美芝制冷设备有限公司 | The pump assembly of rotary compressor and rotary compressor |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110711938A (en) * | 2018-06-26 | 2020-01-21 | 上海海立电器有限公司 | Laser welding method for silencer and cylinder cover |
| CN112833013A (en) * | 2021-03-22 | 2021-05-25 | 广东美芝精密制造有限公司 | Cylinder, compressor, refrigeration equipment and production process |
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| CN105736373B (en) | 2018-01-30 |
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