CN206159028U - Pivot and have its compressor - Google Patents

Pivot and have its compressor Download PDF

Info

Publication number
CN206159028U
CN206159028U CN201621142773.4U CN201621142773U CN206159028U CN 206159028 U CN206159028 U CN 206159028U CN 201621142773 U CN201621142773 U CN 201621142773U CN 206159028 U CN206159028 U CN 206159028U
Authority
CN
China
Prior art keywords
rotating shaft
section
groove
eccentric
rolling element
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.)
Expired - Fee Related
Application number
CN201621142773.4U
Other languages
Chinese (zh)
Inventor
陈辉
竺宁凯
叶晓飞
王伟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhuhai Gree Energy Saving Environmental Protection Refrigeration Technology Research Center Co Ltd
Original Assignee
Zhuhai Gree Energy Saving Environmental Protection Refrigeration Technology Research Center Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Zhuhai Gree Energy Saving Environmental Protection Refrigeration Technology Research Center Co Ltd filed Critical Zhuhai Gree Energy Saving Environmental Protection Refrigeration Technology Research Center Co Ltd
Priority to CN201621142773.4U priority Critical patent/CN206159028U/en
Application granted granted Critical
Publication of CN206159028U publication Critical patent/CN206159028U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Applications Or Details Of Rotary Compressors (AREA)
  • Rolling Contact Bearings (AREA)

Abstract

The utility model provides a pivot and have its compressor. The pivot includes eccentric portion, sets up flutedly in the off -centre portion, and the recess is located the thrust surface of off -centre, the rolling element rotationally sets up in the recess. Through setting up the rolling element on the thrust surface in off -centre portion for contact between off -centre portion and pump body structure's the bearing becomes the point contact by the plane contact, can reduce the eccentric thrust surface's of portion the degree of wear effectively, has increased the life of pivot effectively.

Description

Rotating shaft and the compressor with it
Technical field
The utility model is related to compressor apparatus technical field, in particular to a kind of rotating shaft and the compression with it Machine.
Background technology
In prior art, often there is crankshaft eccentric subordinate thrust surface and lower bearing exception in rotary compressor with rolling rotor Jing Abrasion, causes compressor power consumption higher, is unfavorable for energy-saving and emission-reduction requirement, while affecting the reliability of compressor, is easily caused pressure Contracting machine fails.
Utility model content
Main purpose of the present utility model is to provide a kind of rotating shaft and the compressor with it, to solve prior art in The problem that the thrust surface of rotating shaft easily weares and teares.
To achieve these goals, according to one side of the present utility model, there is provided a kind of rotating shaft, including:Eccentric part, Open up fluted on eccentric part, groove is located on the thrust surface of eccentric part;Rolling element, is rotatablely arranged in groove.
Further, eccentric part includes:Eccentric bodies;Eccentric lobe, eccentric lobe is projectedly arranged on eccentric bodies, Groove is opened in eccentric lobe.
Further, groove includes:Stopper slot section;Holding tank section, the first end of holding tank section and one end of stopper slot section It is connected, rolling element is located in holding tank section, the area of the cross section of stopper slot section is less than the area of the cross section of holding tank section.
Further, rotating shaft includes stopper section, and stopper section is arranged on the second end of holding tank section to prevent rolling element from sending out Raw displacement.
Further, stopper section includes jump ring.
Further, the cross section of groove is curved, and the cross section of groove is S, wherein, the π r2 of S > 0.5, wherein, r is arc The radius of shape.
Further, center line along the length direction of groove is curved or straight line.
Further, groove is multiple.
Further, rolling element is multiple, and two neighboring rolling element contacts.
Further, rolling element includes steel ball.
Further, rotating shaft includes:Major axis, one end of major axis is connected with one end of eccentric part;Short axle, one end of short axle It is connected with the other end of eccentric part, short axle is located at homonymy with groove.
Further, rolling element is spherical rolling body.
Further, thrust surface includes upper thrust surface and lower thrust surface, and groove is arranged at thrust surface and/or lower thrust surface On.
According to another aspect of the present utility model, there is provided a kind of compressor, including rotating shaft, rotating shaft is above-mentioned rotating shaft.
Using the technical solution of the utility model, the rotating shaft includes eccentric part and rolling element.Open up fluted on eccentric part, Groove is located on the thrust surface of eccentric part.Rolling element is rotatablely arranged in groove.By setting on the thrust surface of eccentric part Put rolling element so that the contact between eccentric part and the bearing of pump body structure becomes a contact by plane contact, can be effectively The degree of wear of eccentric part thrust surface is reduced, the service life of rotating shaft is effectively increased.
Description of the drawings
The Figure of description for constituting the part of the application is used for providing further understanding to of the present utility model, this practicality New schematic description and description is used to explain the utility model, does not constitute to improper restriction of the present utility model. In the accompanying drawings:
Fig. 1 shows the structural representation of the embodiment one according to rotating shaft of the present utility model;
Fig. 2 shows the structural representation of eccentric part thrust surface in Fig. 1;
Fig. 3 shows the structural representation of the embodiment of rotating shaft in Fig. 1;
Fig. 4 shows the structural representation of the embodiment with rolling element on the thrust surface of rotating shaft in Fig. 1;
Fig. 5 shows the structural representation of the embodiment two of the thrust surface of rotating shaft in Fig. 1;
Fig. 6 shows the structural representation of the embodiment three of the thrust surface of rotating shaft in Fig. 1;
Fig. 7 shows the structural representation with the pump body structure of the compressor of rotating shaft in Fig. 1;And
Fig. 8 shows the structural representation with the compressor of rotating shaft in Fig. 1.
Wherein, above-mentioned accompanying drawing is marked including the following drawings:
10th, eccentric part;11st, eccentric bodies;12nd, eccentric lobe;20th, groove;21st, stopper slot section;22nd, holding tank section;30、 Rolling element;40th, stopper section;50th, major axis;60th, short axle;
1st, knockout;2nd, mounting leg;3rd, lower cover component;4th, upper lid;5th, housing;6th, stator;7th, rotor;8th, muffler; 9th, upper bearing (metal);100th, cylinder;101st, lower bearing;102nd, roller;103rd, crankshaft group.
Specific embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the application can phase Mutually combination.Below with reference to the accompanying drawings and in conjunction with the embodiments describing the utility model in detail.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singulative It is also intended to include plural form, additionally, it should be understood that, when in this manual using term "comprising" and/or " bag Include " when, it indicates existing characteristics, step, operation, device, component and/or combinations thereof.
It should be noted that the description and claims of this application and the term " first " in above-mentioned accompanying drawing, " Two " it is etc. the object for distinguishing similar, without for describing specific order or precedence.It should be appreciated that so using Term can exchange in the appropriate case, so that presently filed embodiment described herein for example can be with except here Order beyond those of diagram or description is implemented.Additionally, term " comprising " and " having " and their any deformation, it is intended that Be cover it is non-exclusive include, for example, contain process, method, system, product or the equipment of series of steps or unit not Be necessarily limited to those steps or the unit clearly listed, but may include clearly not list or for these processes, side Other intrinsic steps of method, product or equipment or unit.
For the ease of description, space relative terms can be used here, such as " ... on ", " ... top ", " in ... upper surface ", " above " etc., for describing such as a device or feature shown in the figure and other devices or spy The spatial relation levied.It should be appreciated that space relative terms are intended to comprising the orientation except device described in figure Outside different azimuth in use or operation.For example, if the device in accompanying drawing is squeezed, it is described as " in other devices To be positioned as " under other devices or construction after the device of part or construction top " or " on other devices or construction " Side " or " under other devices or construction ".Thus, exemplary term " ... top " can include " ... top " and " in ... lower section " two kinds of orientation.The device can also other different modes positioning (being rotated by 90 ° or in other orientation), and And respective explanations are made to the relative description in space used herein above.
Now, the illustrative embodiments according to the application are more fully described with reference to the accompanying drawings.However, these are exemplary Embodiment can be implemented by many different forms, and should not be construed to be limited solely to embodiment party set forth herein Formula.It should be appreciated that thesing embodiments are provided so that disclosure herein is thoroughly and complete, and these are shown The design of example property embodiment is fully conveyed to those of ordinary skill in the art, in the accompanying drawings, for the sake of clarity, it is possible to expand The big thickness of layer and region, and make to be presented with like reference characters identical device, thus they are retouched by omitting State.
With reference to shown in Fig. 1 to Fig. 8, according to embodiment of the present utility model, there is provided a kind of rotating shaft.
Specifically, the rotating shaft includes eccentric part 10 and rolling element 30.Fluted 20 are opened up on eccentric part 10, groove 20 is located at On the thrust surface of eccentric part 10.Rolling element 30 is rotatablely arranged in groove 20.
In the present embodiment, by arranging rolling element on the thrust surface of eccentric part 10 so that eccentric part 10 is tied with the pump housing Contact between the bearing of structure becomes a contact by plane contact, can significantly reduce the abrasion journey of the thrust surface of eccentric part 10 Degree, effectively increases the service life of rotating shaft.
As shown in Fig. 2 eccentric part 10 includes eccentric bodies 11 and eccentric lobe 12.Eccentric lobe 12 is projectedly arranged at partially On heart body 11, groove 20 is opened in eccentric lobe 12.The wear extent that eccentric part 10 can be efficiently reduced so is set, is carried The high reliability of rotating shaft.
Wherein, groove 20 includes stopper slot section 21 and holding tank section 22.The first end of holding tank section 22 and stopper slot section 21 One end be connected, rolling element 30 is located in holding tank section 22, and the area of the cross section of stopper slot section 21 is less than holding tank section 22 Cross section area.So setting can be effectively prevented rolling element 30 and come off from groove 20, i.e., stopper slot section 21 is played Position-limiting action to rolling element 30.Further, so arrange it is also possible that lubricating oil enters receiving by stopper slot section 21 Rolling element 30 is lubricated in groove section 22, reduces the frictional force between rolling element 30 and holding tank section 22.
In order to further reduce the frictional force between rolling element 30 and holding tank section 22, rolling element 30 is arranged into globulate Structure.
Rotating shaft includes stopper section 40.Stopper section 40 is arranged on the second end of holding tank section 22 to prevent rolling element 30 from occurring Displacement.
Preferably, stopper section 40 includes jump ring.Rolling element 30 can be effectively prevented from holding tank section 22 using jump ring Skid off.
Wherein, the cross section of groove 20 is curved, and the cross section of groove 20 is S, in order to cause the rolling of spherical structure Kinetoplast 30 can be skidded off from groove 20, and the area by the groove in thrust surface is that S is arranged to:The π r2 of S > 0.5, its In, r is the radius of arc.
Certainly, the center line that groove 20 in the present embodiment is gone up along its length can arrange camber or straight line Type.As Fig. 2 and Fig. 4 shows the groove 20 of the linear type of center line.As Fig. 5 and Fig. 6 show the curved line style of center line The structure of groove 20.
In order to increase the stability of rotating shaft, groove 20 can be arranged to multiple, on the length direction of multiple grooves 20 in Heart line can be arranged to be parallel to each other.Certainly, if the groove 20 of arcuate structure can also by multiple arcs structure setting into The arc groove of identical radian measure.Of course, on the premise of the rigidity of eccentric part is ensured, it is also possible to by the linear type of center line The curved groove of groove and center line is arranged on the thrust surface of same eccentric part simultaneously.
In order to further improve stability when rotating shaft runs, rolling element 30 is set to multiple, two neighboring rolling Body 30 contacts.So setting can be effectively prevented single rolling element 30 and be subjected to displacement, and because rolling element 30 is spherical rolling Kinetoplast, preferably spherical steel ball.Therefore it is point contact between two adjacent rolling elements 30, processes outside the position for contacting with each other Part between have and a certain distance and form cavity, the cavity can be used for storing lubricating oil, to reduce rolling element with Frictional force between groove.
Further, rotating shaft includes major axis 50 and short axle 60.One end of major axis 50 is connected with one end of eccentric part 10.It is short One end of axle 60 is connected with the other end of eccentric part 10, and short axle 60 is located at homonymy with groove 20.So arranging can be effectively Reduce the lower thrust surface and the frictional force on the lower bearing surface of pump body structure of the eccentric part 10 of rotating shaft, effectively increase rotating shaft Reliability.
As shown in Figure 7 and Figure 8, according to another aspect of the present utility model, there is provided a kind of compressor.The compressor includes Rotating shaft.Rotating shaft is the rotating shaft in above-described embodiment.The rotating shaft includes eccentric part 10 and rolling element 30.Offer on eccentric part 10 recessed Groove 20, groove 20 is located on the thrust surface of eccentric part 10.Rolling element 30 is rotatablely arranged in groove 20.By in eccentric part Rolling element is set on 10 thrust surface so that the contact between eccentric part 10 and the bearing of pump body structure is become a little by plane contact Contact, can significantly reduce the degree of wear of the thrust surface of eccentric part 10, effectively increase the service life of rotating shaft.
The compressor is rotary compressor, by being that steel ball, eccentric part and lower bearing are arranged on rotating shaft eccentric part in bent axle Multi-contact is changed to by face contact, rolling friction is changed into from sliding friction, prevent rotating shaft from wearing and tearing, reduce compressor power consumption, effectively Improve compressor can by property.
In compressor operation, bent axle is driven by motor rotor and does high speed rotary motion, compressor pump rotor set The support of part relies primarily on crankshaft eccentric subordinate end face and support is contacted with lower bearing, and existing design is:By crankshaft eccentric subordinate end Face (or claim lower thrust surface) directly contact lower bearing end face coordinates supporting bent axle, upper thrust surface with upper bearing (metal) gap.But compress In the machine course of work, rotor banding dynamic crankshaft rotates at a high speed, and thrust surface contacts friction with lower bearing under bent axle, when high-pressure refrigerant from Cylinder clashes into rotor Jing after upper bearing (metal), muffler are discharged, and adds crankshaft eccentric portion and there is bias in itself, can go out in operation process Existing energy imbalance, it is easier to cause thrust surface under bent axle also to increase therewith with lower bearing abrasion, compressor power consumption.
To solve the rotary compressor present in prior art in technical problem the present embodiment, as shown in Figure 7 and Figure 8, In rotary compressor work process, rotor 7 drives crankshaft high-speed rotation, and upper bearing (metal) 9 is major axis and lower bearing 101 is short axle endoporus Constraint bent axle radial motion.Crankshaft eccentric subordinate's end face is provided with many steel balls, and wherein steel ball is placed on crankshaft eccentric portion steel ball In groove, crankshaft eccentric portion steel bead groove is designed as shown in Fig. 2 and Fig. 4 to Fig. 6, and crankshaft group 103 is as shown in Figure 7.
As depicted in figs. 1 and 2, the upper and lower thrust surface in crankshaft eccentric portion is respectively provided with circular steel ball standing groove i.e. groove, circular steel Pearl standing groove groove is constituted by two sections, and one section is steel ball standing groove, and one section is steel ball spacing hole, and spacing hole limits steel ball and rolls out bent axle Contact with roller 102 beyond eccentric part.Steel ball is put in steel bead groove from steel ball standing groove end, and after steel ball is all put into card is filled in Spring or stop, limit steel ball or so and roll, and prevent and roller contact, and steel ball can be limited effectively by jump ring and steel ball spacing hole Steel ball processed is moved left and right in steel bead groove, but steel ball has certain interval with steel ball standing groove, therefore can be rolled in steel bead groove. Steel ball, jump ring and bent axle form crankshaft group.It is of course also possible to only arrange recessed on a thrust surface in upper and lower thrust surface Groove, and rolling element is arranged in groove.
Compressor installation diagram as shown in figure 8, the eccentric part lower surface steel ball in cylinder 100 is contacted with lower bearing 101, So contact of the crankshaft eccentric subordinate end face with lower bearing is changed to Multi-contact by face contact, is changed to rolling by sliding friction and rubs Wipe, be effectively reduced abrasion, reduction spin friction power consumption, there is space between another steel ball, can storing frozen oil steel ball can be entered Row sufficient lubrication, further reduces abrasion, improves compressor reliability.
Can know from above-mentioned, the rotating shaft can include following examples:
Specifically, the rotating shaft includes eccentric part and rolling element.Open up fluted on eccentric part, groove is located at stopping for eccentric part In pushing surface.Rolling element is rotatablely arranged in groove.Eccentric part includes eccentric bodies and eccentric lobe.Eccentric lobe is projectedly It is arranged on eccentric bodies, groove is opened in eccentric lobe.By arranging rolling element on the thrust surface of eccentric part so that partially Contact between center portion and the bearing of pump body structure becomes a contact by plane contact, can significantly reduce eccentric part thrust The degree of wear in face, effectively increases the service life of rotating shaft.
Specifically, the rotating shaft includes eccentric part and rolling element.Open up fluted on eccentric part, groove is located at stopping for eccentric part In pushing surface.Rolling element is rotatablely arranged in groove.Eccentric part includes eccentric bodies and eccentric lobe.Eccentric lobe is projectedly It is arranged on eccentric bodies, groove is opened in eccentric lobe.Wherein, groove includes stopper slot section and holding tank section.Holding tank The first end of section is connected with one end of stopper slot section, and rolling element is located in holding tank section, the area of the cross section of stopper slot section Less than the area of the cross section of holding tank section.So setting can be effectively prevented rolling element 30 and come off from groove 20, that is, limit Position groove section 21 plays the position-limiting action to rolling element 30.Further, so arrange it is also possible that lubricating oil passes through stopper slot Section 21 is lubricated in holding tank section 22 to rolling element 30, reduces the frictional force between rolling element 30 and holding tank section 22.
Specifically, the rotating shaft includes eccentric part and rolling element.Open up fluted on eccentric part, groove is located at stopping for eccentric part In pushing surface.Rolling element is rotatablely arranged in groove.Eccentric part includes eccentric bodies and eccentric lobe.Eccentric lobe is projectedly It is arranged on eccentric bodies, groove is opened in eccentric lobe.Wherein, groove includes stopper slot section and holding tank section.Holding tank The first end of section is connected with one end of stopper slot section, and rolling element is located in holding tank section, the area of the cross section of stopper slot section Less than the area of the cross section of holding tank section.Rotating shaft include stopper section, stopper section be arranged on the second end of holding tank section in case Only rolling element is subjected to displacement.
Specifically, the rotating shaft includes eccentric part and rolling element.Open up fluted on eccentric part, groove is located at stopping for eccentric part In pushing surface.Rolling element is rotatablely arranged in groove.Eccentric part includes eccentric bodies and eccentric lobe.Eccentric lobe is projectedly It is arranged on eccentric bodies, groove is opened in eccentric lobe.Wherein, groove includes stopper slot section and holding tank section.Holding tank The first end of section is connected with one end of stopper slot section, and rolling element is located in holding tank section, the area of the cross section of stopper slot section Less than the area of the cross section of holding tank section.Rotating shaft include stopper section, stopper section be arranged on the second end of holding tank section in case Only rolling element is subjected to displacement.Wherein, stopper section includes jump ring.Rolling element 30 can be effectively prevented from holding tank section using jump ring Skid off in 22.
As can be seen from the above description, the utility model the above embodiments realize following technique effect:
By arranging rolling element on the eccentric part of rotating shaft, eccentric part is contacted by face with lower bearing and is changed to Multi-contact, by Sliding friction is changed into rolling friction, prevents rotating shaft from wearing and tearing, and reduces compressor power consumption, improves compressor reliability.
Preferred embodiment of the present utility model is the foregoing is only, the utility model is not limited to, for this For the technical staff in field, the utility model can have various modifications and variations.It is all it is of the present utility model spirit and principle Within, any modification, equivalent substitution and improvements made etc. should be included within protection domain of the present utility model.

Claims (14)

1. a kind of rotating shaft, it is characterised in that include:
Eccentric part (10), opens up fluted (20) on the eccentric part (10), and the groove (20) is positioned at the eccentric part (10) Thrust surface on;
Rolling element (30), is rotatablely arranged in the groove (20).
2. rotating shaft according to claim 1, it is characterised in that the eccentric part (10) includes:
Eccentric bodies (11);
Eccentric lobe (12), the eccentric lobe (12) is projectedly arranged on the eccentric bodies (11), the groove (20) It is opened in the eccentric lobe (12).
3. rotating shaft according to claim 2, it is characterised in that the groove (20) includes:
Stopper slot section (21);
Holding tank section (22), the first end of the holding tank section (22) is connected with one end of the stopper slot section (21), described In the holding tank section (22), the area of the cross section of the stopper slot section (21) is less than the holding tank to rolling element (30) The area of the cross section of section (22).
4. rotating shaft according to claim 3, it is characterised in that the rotating shaft includes stopper section (40), the stopper section (40) it is arranged on the second end of the holding tank section (22) to prevent the rolling element (30) to be subjected to displacement.
5. rotating shaft according to claim 4, it is characterised in that the stopper section (40) is including jump ring.
6. rotating shaft according to claim 1, it is characterised in that the cross section of the groove (20) is curved, the groove (20) cross section is S, wherein, the π r of S > 0.52, wherein, the r is the radius of the arc.
7. rotating shaft according to claim 1, it is characterised in that along the groove (20) length direction center line be in arc Shape or straight line.
8. rotating shaft according to claim 1, it is characterised in that the groove (20) is multiple.
9. rotating shaft according to claim 1, it is characterised in that the rolling element (30) is multiple, the two neighboring rolling Kinetoplast (30) contacts.
10. rotating shaft according to claim 1, it is characterised in that the rolling element (30) is including steel ball.
11. rotating shafts according to claim 1, it is characterised in that the rotating shaft includes:
Major axis (50), one end of the major axis (50) is connected with one end of the eccentric part (10);
Short axle (60), one end of the short axle (60) is connected with the other end of the eccentric part (10), the short axle (60) with The groove (20) is positioned at homonymy.
12. rotating shafts according to claim 1, it is characterised in that the rolling element (30) is spherical rolling body.
13. rotating shafts according to claim 1, it is characterised in that the thrust surface includes upper thrust surface and lower thrust surface, institute State groove (20) to be arranged on the upper thrust surface and/or the lower thrust surface.
A kind of 14. compressors, including rotating shaft, it is characterised in that the rotating shaft is turning any one of claim 1 to 13 Axle.
CN201621142773.4U 2016-10-20 2016-10-20 Pivot and have its compressor Expired - Fee Related CN206159028U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201621142773.4U CN206159028U (en) 2016-10-20 2016-10-20 Pivot and have its compressor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201621142773.4U CN206159028U (en) 2016-10-20 2016-10-20 Pivot and have its compressor

Publications (1)

Publication Number Publication Date
CN206159028U true CN206159028U (en) 2017-05-10

Family

ID=58654721

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201621142773.4U Expired - Fee Related CN206159028U (en) 2016-10-20 2016-10-20 Pivot and have its compressor

Country Status (1)

Country Link
CN (1) CN206159028U (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106337810A (en) * 2016-10-20 2017-01-18 珠海格力节能环保制冷技术研究中心有限公司 Rotary shaft and compressor comprising same
CN112128134A (en) * 2020-08-26 2020-12-25 神通科技集团股份有限公司 Thrust structure for preventing axial movement of water pump rotor
CN114060280A (en) * 2021-12-08 2022-02-18 珠海凌达压缩机有限公司 Crankshaft, pump body structure, compressor and air conditioner
CN114060280B (en) * 2021-12-08 2024-05-24 珠海凌达压缩机有限公司 Crankshaft, pump body structure, compressor and air conditioner

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106337810A (en) * 2016-10-20 2017-01-18 珠海格力节能环保制冷技术研究中心有限公司 Rotary shaft and compressor comprising same
CN106337810B (en) * 2016-10-20 2018-12-07 珠海格力电器股份有限公司 Shaft and compressor with it
CN112128134A (en) * 2020-08-26 2020-12-25 神通科技集团股份有限公司 Thrust structure for preventing axial movement of water pump rotor
CN114060280A (en) * 2021-12-08 2022-02-18 珠海凌达压缩机有限公司 Crankshaft, pump body structure, compressor and air conditioner
CN114060280B (en) * 2021-12-08 2024-05-24 珠海凌达压缩机有限公司 Crankshaft, pump body structure, compressor and air conditioner

Similar Documents

Publication Publication Date Title
CN206159028U (en) Pivot and have its compressor
US5667372A (en) Rolling piston rotary compressor formed with lubrication grooves
CN201193598Y (en) Hermetic compressor
CN101413551B (en) Bearing design and structure of double-interior diameter support high speed gyro motor
CN106438368B (en) Shaft, compressor and air conditioner
CN109563879A (en) Ball bearing, main shaft device and lathe
CN107084128A (en) A kind of inside and outside track controllable combined rolling slide plate and sliding-vane pump
CN102052397B (en) Combined rolling bearing and rotary machine
CN204878343U (en) Short cylindrical roller bearing of full dress
CN106337810B (en) Shaft and compressor with it
JP3495077B2 (en) Roller bearings, tapered roller bearings and spherical roller bearings
CN206617318U (en) A kind of inside and outside track controllable combined rolling slide plate and sliding-vane pump
CN206054519U (en) Compressor link assembly and the compressor with which
JPS623101A (en) Scroll type fluid machine
CN207033994U (en) Goalpost formula roller bearing and there is its wind power generating set
JPH0551073B2 (en)
CN202040207U (en) Bearing
CN206159029U (en) Pivot, compressor and air conditioner
CN201083229Y (en) Rolling bearing for roller
CN112943614B (en) Crankshaft structure and compressor with same
CN205331233U (en) Easy lubricated antifriction bearing
CN202768629U (en) Combined oscillating bearing
CN2839720Y (en) Joint bearing
CN206221272U (en) Eccentric adjustable mechanism and the compressor with it
CN201763603U (en) Scroll compressor

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20170510

CF01 Termination of patent right due to non-payment of annual fee