CN106609756B - A kind of compressor - Google Patents

A kind of compressor Download PDF

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Publication number
CN106609756B
CN106609756B CN201510666549.9A CN201510666549A CN106609756B CN 106609756 B CN106609756 B CN 106609756B CN 201510666549 A CN201510666549 A CN 201510666549A CN 106609756 B CN106609756 B CN 106609756B
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China
Prior art keywords
cover board
seal cover
drive shaft
oil
hole
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Active
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CN201510666549.9A
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CN106609756A (en
Inventor
刘韵
单彩侠
胡余生
康小丽
刘双来
陈肖汕
马英超
律刚
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Gree Electric Appliances Inc of Zhuhai
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Zhuhai Gree Energy Saving Environmental Protection Refrigeration Technology Research Center Co Ltd
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Priority to CN201510666549.9A priority Critical patent/CN106609756B/en
Publication of CN106609756A publication Critical patent/CN106609756A/en
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Abstract

The purpose of the present invention is to provide a kind of compressors, and the drive shaft for mainly solving existing compressor needs to be arranged proprietary thrust structure and leads to technical problem complicated, that assembly is inconvenient.The compressor includes compression mechanism, the drive shaft for the volume type rotor pump of the lubrication oil circulation circuit fuel feeding to compressor and for driving compression mechanism and volume type rotor pump, volume type rotor pump has an accommodating chamber for accommodating rotor, the opening of accommodating chamber is provided with seal cover board, and the end face of the one end of drive shaft far from compression mechanism is supported directly upon on seal cover board and is compressed with seal cover board to seal accommodating chamber.Thrust function is realized to drive shaft by seal cover board, without independently-arranged thrust structure, simplify compressor arrangement, seal cover board compresses under the action of drive shaft with accommodating chamber, to realize the sealing to accommodating chamber, the gravity of drive shaft shafting is smaller, will not be deformed to seal cover board, ensures the axial gap between seal cover board and rotor.

Description

A kind of compressor
Technical field
The present invention relates to compressor fields, and in particular to a kind of compressor being lubricated using volume type rotor pump.
Background technology
In existing screw compressor, drive shaft upper end passes through upper bracket bearing cross hole to support Moving plate rotary part, drives Moving axis lower end passes through lower bracket bearing cross hole, upper and lower bracket to be welded on shell, is slided by being arranged in upper and lower bracket through-hole Or rolling bearing carrys out the radial displacement of Constraints driven axis, support drive shaft rotates.Drive shaft be equipped with rotor and Major and minor balance weight forms the shafting component of compressor, in order to overcome its own gravity of shafting component, needs to design axial thrust Position limiting structure supports shafting, prevents shafting from falling, and existing technological means is all on the compressor on holder or lower bracket Design thrust limited support structure.The thrust structure being fixed on up or down holder is bolted, on the one hand needs additional It designs thrust structure and increases Compressor Manufacturing cost, on the other hand need thrust component assembly increasing dress on upper and lower bracket With technique, and uses and need this kind of thrust supporting surface knot of additional processing on holder with the thrust structure of upper (lower) holder integral type Structure increases the processing cost of upper and lower bracket.Therefore, existing drive shaft axial anti-thrust structure all has assembly inconvenient and production Problem of high cost.
On the other hand, in existing frequency-changing cyclone compressor, in order to ensure that each friction is secondary inside compressor under each operating mode With good lubricant effect, fuel feeding is more and more carried out to compressor using positive displacement gear oil pump.In general, positive displacement tooth Wheel oil pump is made of internal-external gear, pedestal and oil pump seal cover board, in order to ensure the pump oil efficiency of gear oil pump, gear oil pump Need that there is good axial seal, it is therefore desirable to which the technique that oil pump seal cover board is cold-pressed or rivets is fastened on oil pump On pedestal, to realize the axial seal of gear oil pump.Cold pressing and riveting process to oil pump seal cover board is as oil pump producer Core technology, this undoubtedly increases the purchase cost of outer bound pair gear oil pump, increases the production cost of compressor.
Invention content
In view of this, the present invention provide it is a kind of it is simple in structure, can realize thrust function and positive displacement to drive shaft The compressor of the axial seal effect of impeller pump.
For this purpose, the present invention uses following technical scheme:
A kind of compressor, including compression mechanism, for the positive displacement of the lubrication oil circulation circuit fuel feeding to the compressor Impeller pump and drive shaft for driving the compression mechanism and the volume type rotor pump, the volume type rotor pump have One accommodating chamber for accommodating rotor, the opening of the accommodating chamber are provided with seal cover board, and the drive shaft is far from the pressure The end face of one end of contracting mechanism is supported directly upon on the seal cover board and is compressed with by the accommodating chamber with the seal cover board Sealing;
The one end of the drive shaft far from the compression mechanism is rotatably dispose in through supplementary bearing in support base, the support Form clearance space between seat, the drive shaft and the supplementary bearing, the one side of the seal cover board is by the accommodating chamber Opening sealing, another side is oppositely arranged with the end face of the drive shaft and the clearance space, on the seal cover board with institute It states and is at least provided with groove structure at position corresponding with the clearance space in the opposite one side of clearance space;
The volume type rotor pump further includes the pedestal being fixed on the support base, and the seal cover board passes through the drive The end face of moving axis is pressed on the pedestal.
Preferably, wearing layer is provided on the end face abutted against with the end face of the drive shaft on the seal cover board.
Preferably, by being quenched in the end face of the seal cover board, nitriding or carburization process form the wearing layer.
Preferably, the volume type rotor pump further includes the Oil pump cylinder being fixedly installed in the pedestal, the pedestal The accommodating chamber of one end open is surrounded with the Oil pump cylinder, the seal cover board is close by the opening of the accommodating chamber Envelope;
It is clearance fit between the periphery of the seal cover board and the pedestal.
Preferably, the groove structure extends to the outer edge of the seal cover board;
Connection through-hole is provided on the pedestal, described connection through-hole one end is connected to the groove structure, the other end with The oil sump connection of the compression motor spindle.
Preferably, the limit knot of the restricted seal cover board rotation is set between the pedestal and the seal cover board Structure.
Preferably, the drive shaft is equipped with the eccentric shaft with the eccentric axis of the drive shaft, the eccentric shaft and institute Rotor connection is stated, while for driving the rotor to do track movement around the drive shaft, is revolved centered on the eccentric shaft Turn;
Installation through-hole is provided in the middle part of the seal cover board, the eccentric shaft and the rotor pass through the installation through-hole It is rotatably set on the seal cover board.
Preferably, the groove structure includes a plurality of radial groove of the circumferential directions along the seal cover board, institute The one end for stating radial groove extends to the installation through-hole, and the other end extends to the outer edge of the seal cover board.
Preferably, the groove structure further includes at least one annular groove, and the annular groove is connected to a plurality of diameter To groove.
Preferably, the end face of the drive shaft compresses the seal cover board and the pedestal, the seal cover board and institute Stating has gap between Oil pump cylinder and the opposite end face of the rotor.
Preferably, it is provided in the drive shaft along its axially extending main oil-hole, is additionally provided with countershaft oil spit hole, it is described Countershaft oil spit hole one end connects the main oil-hole, and the other end is passed through at the supplementary bearing.
Preferably, the volume type rotor pump is gear pump.
The beneficial effects of the invention are as follows:
The end face of drive shaft is supported directly on seal cover board by compressor provided by the invention, first, passes through sealing cover Plate realizes thrust function to drive shaft, prevents drive shaft play, is not necessarily to independently-arranged thrust structure, enormously simplifies compressor knot Structure, in addition, seal cover board compresses under the action of drive shaft with accommodating chamber, to realize the sealing to accommodating chamber, compared to cold The gravity of pressure pressure, drive shaft shafting is smaller, will not be deformed to seal cover board, ensures the axis between seal cover board and rotor To gap.
Description of the drawings
By referring to the drawings to the description of the embodiment of the present invention, the above and other purposes of the present invention, feature and Advantage will be apparent from, in the accompanying drawings:
Fig. 1 is the sectional view for the compressor that the specific embodiment of the invention provides;
Fig. 2 is the sectional view at the compressor gear pump that the specific embodiment of the invention provides;
Fig. 3 is the partial enlarged view at C in Fig. 2;
Fig. 4 is the vertical view for the compressor gear pump that the specific embodiment of the invention provides;
Fig. 5 is the explosive view for the compressor gear pump that the specific embodiment of the invention provides;
Fig. 6 is the vertical view for a form of seal cover board that the specific embodiment of the invention provides;
Fig. 7 is sectional view along A-A in Fig. 6;
Fig. 8 is the vertical view for the another form of seal cover board that the specific embodiment of the invention provides;
Fig. 9 is B-B direction sectional view in Fig. 8.
In figure, 1, shell;2, upper cover;3, lower cover;4, drive shaft;41, main oil-hole;42, countershaft oil spit hole;5, upper support Seat;6, lower support base;7, movable orbiting scroll;8, fixed scroll;9, the first eccentric shaft;10, the second eccentric shaft;11, sliding bearing;12, ten Word slip ring;13, main balance weight;14, secondary balance weight;15, motor;151, rotor;16, accommodating chamber;17, seal cover board; 171, wearing layer;172, groove structure;1721, radial groove;1722;Annular groove;173, raised;174, installation through-hole;18、 Gear rotor;19, supplementary bearing;20, oil sump;21, clearance space;22, pedestal;221, slot;222, oil suction through-hole;223, oil extraction Slot;224, through-hole is connected;23, oil pump screen;24, bolt;25, Oil pump cylinder;26, base bearing.
Specific implementation mode
Below based on embodiment, present invention is described, but the present invention is not restricted to these embodiments.Under Text to the present invention datail description in, it is detailed to describe some specific detail sections.Do not have for a person skilled in the art The description of these detail sections can also understand the present invention completely.In order to avoid obscuring the essence of the present invention, well known method, mistake There is no narrations in detail for journey, flow, element.
Illustrate the embodiment of the compressor of the present invention referring to Fig. 1 to Fig. 8.
As shown in Figure 1, compressor include upper and lower ends opening shell 1 and closing 1 upper and lower ends of shell opening it is upper Lid 2 and lower cover 3."upper" "lower" described herein is position relationship of the compressor in normal course of operation.Setting in shell 1 There is compression mechanism, for the volume type rotor pump of the lubrication oil circulation circuit fuel feeding to compressor and for driving compression mechanism With the drive shaft 4 of volume type rotor pump.The lubricating oil compressed in motor spindle oil sump 20 is delivered to pressure by volume type rotor pump Each friction vice division chief of contracting machine is lubricated.In this present embodiment, volume type rotor pump is gear pump, and certainly, other pass through rotor Rotation changes the volume of rotor accommodating chamber to realize that the pump of oil suction and oil extraction also may be used.
Compression mechanism is similar with existing compressor, as shown in Figure 1, the upper and lower part in shell 1 is respectively arranged with Support base 5 and lower support base 6.The middle part of shell 1 is provided with motor 15, and drive shaft 4 is worn in rotor 151, drive shaft 4 Top is rotatably dispose in through base bearing 26 on upper support seat 5, and lower part is rotatably dispose in through supplementary bearing 19 on lower support base 6.Dynamic whirlpool Disk 7 is opposed with the difference phase angle 180 degree of fixed scroll 8 to be mounted on upper support seat 5, to which engagement forms multiple mutually isolated and holds The compression chamber of product consecutive variations, the lower end and upper end of drive shaft 4 be respectively arranged with first eccentric shaft 9 eccentric with drive shaft 4 and Second eccentric shaft 10, the second eccentric shaft 10 are fixedly connected through sliding bearing 11 with movable orbiting scroll 7, movable orbiting scroll 7 and upper support seat 5 it Between be provided with the cross slip-ring 12 for preventing 7 rotation of movable orbiting scroll.Main balance weight 13 and secondary balance weight 14 are additionally provided in drive shaft 4, The shafting of compressor is formed together with rotor 151.
The course of work of compression mechanism is that 15 driving motor rotor 151 of motor drives drive shaft 4 to rotate, in drive shaft 4 Under driving and the limitation of cross slip-ring 12, movable orbiting scroll 7 makees the flat circle without rotation around the center of fixed scroll 8 with base radius Zhou Yundong.Refrigerant is entered by the air intake duct of shell 1 in screw compressor, and the pump housing of movable orbiting scroll 7 and the composition of fixed scroll 8 is in shell It free air-breathing and is compressed in body 1, the high pressure gas after pump body compression is discharged from the exhaust pipe of upper cover 2.
Simultaneously, under the drive of drive shaft 4, the lubricating oil compressed in motor spindle oil sump 20 is delivered to pressure by gear pump Each friction vice division chief of contracting machine is lubricated.
There is gear pump an accommodating chamber 16 for accommodating gear rotor 18, the opening of accommodating chamber 16 to be provided with sealing cover The lower face of plate 17, drive shaft 4 is supported directly upon on seal cover board 17, first, is stopped to the realization of drive shaft 4 by seal cover board 17 Effect is pushed away, independently-arranged thrust structure is not necessarily to, enormously simplifies compressor arrangement, in addition, drive shaft 4 is compressed with seal cover board 17 To seal the opening of accommodating chamber 16, compared to cold pressing pressure, the gravity of 4 shafting of drive shaft is smaller, will not be to seal cover board 17 are deformed, and ensure the axial gap between seal cover board 17 and gear rotor.
Preferably, wearing layer 171 is provided on the end face abutted against with the end face of drive shaft 4 on seal cover board 17, The lower face of drive shaft 4 is abutted with wearing layer 171.Wearing layer 171 can by being quenched in the end face of seal cover board 17, nitriding Or the process of surface treatment such as carburizing obtain, moreover it is possible to the wearing layer 171 with self-lubricating property is obtained using face coat mode.
Specifically, gear pump is installed on the lower face of lower support base 6.As shown in Figures 2 to 5, the lower end warp of drive shaft 4 Supplementary bearing 19 is rotatably dispose in lower support base 6.It is provided in drive shaft 4 along its axially extending main oil-hole 41, is additionally provided with Countershaft oil spit hole 42,42 one end of countershaft oil spit hole connect main oil-hole 41, and the other end is passed through at supplementary bearing 19.Drive shaft 4 is in motor Rotor 151 drives lower rotation, driving gear pump that the grease pump compressed in motor spindle oil sump 20 is entered main oil-hole 41, and then through pair Bearing oil 42, which enters at supplementary bearing 19, to be lubricated.Gap is formed between drive shaft 4, lower support base 6 and supplementary bearing 19 Space 21.The lower face of seal cover board 17 seals the opening of accommodating chamber 16, and upper surface and the end face of drive shaft 4 and gap are empty Between 21 be oppositely arranged.At least in position corresponding with clearance space 21 in the one side opposite with clearance space 21 on seal cover board 17 The place of setting is provided with groove structure 172.Lubricating oil in clearance space 21 can be by groove structure 172 in the end face of wearing layer 171 Uniform lube layer is formed, the abrasion of wearing layer 171 is reduced.
Gear pump includes the pedestal 22 for being set to 6 lower part of lower support base, and pedestal 22 is fixed on lower support base 6.Preferably, It is cased with oil pump screen 23 outside pedestal 22, oil pump screen 23 and pedestal 22 are fixed on by bolt 24 on lower support base 6.Pedestal 22 It is inside provided with hollow Oil pump cylinder 25, the accommodating chamber 16 of upper end opening, accommodating chamber are surrounded by pedestal 22 and Oil pump cylinder 25 16 opening is closed by seal cover board 17.The middle part of seal cover board 17 is provided with installation through-hole 174, the first eccentric shaft 9 and tooth Wheel rotor 18 is spindle rotationally arranged on seal cover board 17 across installation through-hole 174 and 18 sealed cover board 17 of gear rotor stretches into In accommodating chamber 16.Internal gear is provided on the internal perisporium of accommodating chamber 16, the first eccentric shaft 9 drives gear rotor 18 around drive shaft 4 Do track movement, meanwhile, gear rotor 18 under the engagement with internal gear to be rotated centered on the first eccentric shaft 9, to Complete oil suction and oil extraction process.
The periphery of seal cover board 17 is clearance fit with pedestal 22 and seal cover board 17 is pressed in by the end face of drive shaft 4 On pedestal 22, there is gap between seal cover board 17 and Oil pump cylinder 25 and the opposite end face of gear rotor 18, ensure gear Rotor 18 rotates smooth.For existing assembly technology, if sealing gear pump cover board 17 using cold-pressing assembly on pedestal 22, Cold pressing pressure is as core parameter, if pressure is inadequate, the axial gap between seal cover board 17 and gear rotor 18 becomes larger, leakage Increase, leads to the reduction of the gear efficiency of pump;If pressure is too big, the pressure that seal cover board 17 acts on pedestal 22 is too big, leads to bottom Seat 22 deforms, and seal cover board 17 may be contacted with gear rotor 18, gear pump seizure;In addition, in the cold pressing of seal cover board 17 It needs to ensure the good depth of parallelism between seal cover board 17 and 22 mounting surface of pedestal in journey, if seal cover board 17 tilts, sealing cover 17 lower end of seal cover board may be contacted with 18 upper surface of gear rotor when plate 17 is not yet cold-pressed in place, also result in gear pump It is stuck.For riveting process equally be also required to control riveting pressure, and with feature of present invention gear pump, on the one hand pass through by Compressor shaft tying selection structure moves on gear pump, reduces the component processing and assembly cost of additional designs thrust structure; Meanwhile converting the lower thrust of shafting to the axis sealing between seal cover board 17 and pedestal 22, reduce seal cover board 17 Additional assembly technology.As shown in figure 4, bearing to push away under under shafting gravity on the wearing layer 171 of seal cover board 17 Power fits tightly on seal cover board 17 on pedestal 22 under the action of shafting lower thrust, and shaft is realized by pedestal 22 Axial limiting, while maintained between 18 upper surface of 17 lower face of seal cover board and gear rotor design axial gap (oil film Seal thickness), ensure good axial seal effect.Compared to cold pressing pressure, the gravity of drive shaft shafting is smaller, will not be the bottom of to Seat 22 is deformed, and does not interfere with the cooperation precision of gear rotor 18 and the installation site of Oil pump cylinder 26.
Further, to prevent 17 rotation of seal cover board, restricted sealing is set between pedestal 22 and seal cover board 17 The position limiting structure that cover board 17 rotates.For example, seal cover board 17 outer periphery project radially outward be provided with protrusion 173, the bottom of at The corresponding position of seat 22 is provided with slot 221, and protrusion 173 coordinates with slot 221 to realize the limit of seal cover board 17.
The oil suction through-hole 222 axially extended is provided on pedestal 22, the oil suction that gear pump is formed by oil suction through-hole 222 is led to Road is sucked the lubricating oil in oil sump 20 in the oil sucting cavity of gear pump by oil suction through-hole 222.It is arranged on the upper surface of pedestal 22 There are oil scupper 223, oil scupper 223 that can be connected to accommodating chamber 16 and main oil-hole 41 so that lubricating oil is through row when gear pump oil extraction Oil groove 223 enters main oil-hole 41.
It is provided with connection through-hole 224 on pedestal 22, is in this present embodiment along the circumferential direction uniformly distributed three, connects through-hole 224 one end is connected to groove structure 172, and the other end is connected to the oil sump 20 of compression motor spindle, will be moistened by connecting through-hole 224 Lubricating oil is discharged in time, forms the fuel feeding and oil extraction cycle of cycle at supplementary bearing 19 and seal cover board 17, prevents lubricating oil always Being gathered in influences the lubrication effect of supplementary bearing 19 and 17 upper end surface of seal cover board in the gap between lower support base 6 and supplementary bearing 19 Fruit.
As shown in Figure 6 and Figure 7, groove structure 172 can be disposed on 17 upper surface of seal cover board along the circumferential direction The a plurality of radial groove 1721 of arrangement, radial groove 1721 extend to installation through-hole 224 in fan annular, one end, and the other end prolongs Extend to the outer edge of seal cover board 17.
Further, groove structure 172 can also be as shown in Figure 8 and Figure 9, is arranged at least on the basis of original radial groove One annular groove 1722, the radial groove that annular groove 1722 is connected to.Radial groove 1721 is not limited to be shown in figure Strip, or other shapes.
In addition, it should be understood by one skilled in the art that provided herein attached drawing be provided to explanation purpose, and What attached drawing was not necessarily drawn to scale.
It will also be appreciated that example embodiment is provided, so that the disclosure is comprehensive, and its range is fully conveyed To those skilled in the art.Many specific details (such as particular elements, example of device and method) are presented to provide to this Disclosed comprehensive understanding.It will be apparent to one skilled in the art that specific detail need not be used, example embodiment can be with much not Same form is carried out, and example embodiment is understood not to limit the scope of the present disclosure.In some example embodiments, Well-known device structure and widely-known technique are not described in.
When an element or layer are mentioned as in another element or layer "upper", " being engaged to ", " being connected to " or " coupled To " another element or when layer, can directly on another element or layer, directly be engaged, be connected or coupled to another element or Layer, or intermediary element or layer may be present.In contrast, when an element be mentioned as " direct " another element or layer "upper", When " being bonded directly to ", " being directly coupled to " or " being directly coupled to " another element or layer, intermediary element may not be present Or layer.For describe relationship between element other words should in a similar manner by explanation (for example, " between " with " directly exist Between ", " neighbouring " and " being directly adjacent to " etc.).As used herein, term "and/or" includes one or more associated listed Any or all combinations in project.
Although term first, second, third, etc. can be used for describing each component, assembly unit, region, floor and/or area herein Section, but these component, assembly units, region, layer and/or section should not be limited by these terms.These terms can be only used for by One component, assembly unit, region, layer or section are distinguished with another element, region, layer or section.Such as " first ", " second " Term and other numerical value terms do not mean that order or sequence when used herein, unless clearly indicated by the context.Thus, below First element, component, region, layer or the section of discussion are referred to alternatively as second element, component, region, layer or section, without departing from The introduction of example embodiment.In addition, in the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two or two More than.
The foregoing is merely the preferred embodiment of the present invention, are not intended to restrict the invention, for those skilled in the art For, the present invention can have various modifications and changes.It is all within spirit and principles of the present invention made by any modification, equivalent Replace, improve etc., it should all be included in the protection scope of the present invention.

Claims (12)

1. a kind of compressor, including compression mechanism, the positive displacement turn for the lubrication oil circulation circuit fuel feeding to the compressor Son pump and the drive shaft (4) for driving the compression mechanism and the volume type rotor pump, the volume type rotor pump tool There are an accommodating chamber (16) for accommodating rotor, the opening of the accommodating chamber (16) to be provided with seal cover board (17), feature It is:The end face of the one end of the drive shaft (4) far from the compression mechanism is supported directly upon on the seal cover board (17) simultaneously It is compressed with the seal cover board (17) to seal the accommodating chamber (16);
The one end of the drive shaft (4) far from the compression mechanism is rotatably dispose in through supplementary bearing (19) in support base (6), described Clearance space (21), the seal cover board are formed between support base (6), the drive shaft (4) and the supplementary bearing (19) (17) one side seals the opening of the accommodating chamber (16), end face and the gap of the another side with the drive shaft (4) Space (21) is oppositely arranged, on the seal cover board (17) in the one side opposite with the clearance space (21) at least with it is described It is provided with groove structure (172) at clearance space (21) corresponding position;
The volume type rotor pump further includes the pedestal (22) being fixed on the support base (6), and the seal cover board (17) is logical The end face for crossing the drive shaft (4) is pressed on the pedestal (22).
2. compressor according to claim 1, it is characterised in that:On the seal cover board (17) with the drive shaft (4) The end face that abuts against of end face on be provided with wearing layer (171).
3. compressor according to claim 2, it is characterised in that:By quenching in the end face of the seal cover board (17) Fire, nitriding or carburization process form the wearing layer (171).
4. compressor according to claim 1, it is characterised in that:The volume type rotor pump further includes being fixedly installed on institute The Oil pump cylinder (25) in pedestal (22) is stated, the pedestal (22) surrounds the appearance of one end open with the Oil pump cylinder (25) Receive chamber (16), the seal cover board (17) seals the opening of the accommodating chamber (16);
It is clearance fit between the periphery and the pedestal (22) of the seal cover board (17).
5. compressor according to claim 4, it is characterised in that:The groove structure (172) extends to the sealing cover The outer edge of plate (17);
Connection through-hole (224), the connection through-hole (224) one end and the groove structure are provided on the pedestal (22) (172) it is connected to, the other end is connected to the oil sump (20) of the compression motor spindle.
6. compressor according to claim 4, it is characterised in that:Between the pedestal (22) and the seal cover board (17) The position limiting structure of the restricted seal cover board (17) rotation is set.
7. compressor according to claim 5, it is characterised in that:The drive shaft (4) is equipped with and the drive shaft (4) Eccentric axis eccentric shaft, the eccentric shaft is connect with the rotor (18), for driving the rotor (18) around the drive While moving axis (4) does track movement, rotated centered on the eccentric shaft;
Installation through-hole (174) is provided in the middle part of the seal cover board (17), the eccentric shaft and the rotor (18) pass through institute Installation through-hole (174) is stated rotatably to be set on the seal cover board (17).
8. compressor according to claim 7, it is characterised in that:The groove structure (172) includes along the sealing cover One end of a plurality of radial groove (1721) of the circumferential directions of plate (17), the radial groove (1721) extends to the peace Through-hole (174) is filled, the other end extends to the outer edge of the seal cover board (17).
9. compressor according to claim 8, it is characterised in that:The groove structure further includes at least one annular groove (1722), the annular groove (1722) is connected to a plurality of radial groove (1721).
10. compressor according to claim 4, it is characterised in that:The seal cover board (17) and the Oil pump cylinder (25) and between the opposite end face of the rotor (18) there is gap.
11. compressor according to claim 1, it is characterised in that:It is provided on the drive shaft (4) axially extending along its Main oil-hole (41), be additionally provided with countershaft oil spit hole (42), described countershaft oil spit hole (42) one end connects the main oil-hole (41), The other end is passed through at the supplementary bearing (19).
12. compressor according to any one of claims 1 to 3, it is characterised in that:The volume type rotor pump is gear Pump.
CN201510666549.9A 2015-10-14 2015-10-14 A kind of compressor Active CN106609756B (en)

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CN106609756B true CN106609756B (en) 2018-08-07

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110854559A (en) * 2018-08-20 2020-02-28 松下·万宝(广州)压缩机有限公司 Terminal sealing cover, upper cover assembly and compressor

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1169511A (en) * 1996-06-07 1998-01-07 松下电器产业株式会社 Gear pump for use in electrically-operated sealed compressor
JP2014025427A (en) * 2012-07-27 2014-02-06 Daikin Ind Ltd Compressor
CN204419571U (en) * 2015-01-06 2015-06-24 珠海格力节能环保制冷技术研究中心有限公司 Air conditioner and rotary compressor thereof
CN205047437U (en) * 2015-10-14 2016-02-24 珠海格力节能环保制冷技术研究中心有限公司 Compressor

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1169511A (en) * 1996-06-07 1998-01-07 松下电器产业株式会社 Gear pump for use in electrically-operated sealed compressor
JP2014025427A (en) * 2012-07-27 2014-02-06 Daikin Ind Ltd Compressor
CN204419571U (en) * 2015-01-06 2015-06-24 珠海格力节能环保制冷技术研究中心有限公司 Air conditioner and rotary compressor thereof
CN205047437U (en) * 2015-10-14 2016-02-24 珠海格力节能环保制冷技术研究中心有限公司 Compressor

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