CN102094789A - Plane roll bearing for refrigerator compressor - Google Patents
Plane roll bearing for refrigerator compressor Download PDFInfo
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- CN102094789A CN102094789A CN2011100461288A CN201110046128A CN102094789A CN 102094789 A CN102094789 A CN 102094789A CN 2011100461288 A CN2011100461288 A CN 2011100461288A CN 201110046128 A CN201110046128 A CN 201110046128A CN 102094789 A CN102094789 A CN 102094789A
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- ball
- retainer
- upper gasket
- compressor
- gasket
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- Rolling Contact Bearings (AREA)
Abstract
The invention discloses a plane roll bearing for a refrigerator compressor. The plane roll bearing comprises an upper gasket, a retainer embedded with roll balls and a lower gasket, wherein the retainer is positioned between the upper gasket and the lower gasket; the upper gasket is provided with a ring concave pit for embedding and rolling the roll balls; and the shapes of the upper gasket and the lower gasket are in mirror symmetry up and down. According to the invention, the upper gasket and lower gasket of the traditional plane roll bearing for the refrigerator compressor are configured into a structure of a double-faced ring concave pit, thus the upper gasket and the lower gasket have favorable consistency, the roll balls in the retainer roll depend on the concave pit serving as a track, the stability of the operation of the bearing is improved greatly, the operation efficiency of the compressor is improved, and after the point contact between the roll balls and the gaskets becomes line contact, the force distribution of the roll balls is optimized, thus even if the number of the balls is decreased, the working requirements can be satisfied, the production cost is lowered, and the plane roll bearing is suitable for being used in the refrigerator compressor.
Description
Technical field
The present invention relates to a kind of plane rolling bearing, the plane rolling bearing that particularly a kind of compressor for refrigeration is used.
Background technique
Compressor for refrigeration generally is made up of housing, motor, cylinder body, piston, control apparatus (starter and heat protector) and cooling system.Wherein be connected by crankshaft-and-connecting-rod between the output shaft of piston and motor, bent axle places on the cylinder block of motor top and rotates, and therefore with between the upper support face of cylinder block closely contacts mutually and does not stop friction, causes very big loss.Therefore in compressor for refrigeration, generally can use a kind of plane rolling bearing, this plane rolling bearing is made up of Upper gasket, lower levelling plate and the retainer that is embedded with steel ball between the two, lower levelling plate contacts with the cylinder block supporting surface, Upper gasket contacts with the below of bent axle, and retainer relies on steel ball to withstand between the lower levelling plate.With regard to making the sliding friction between original bent axle and the cylinder block supporting surface convert rolling friction to, reduced frictional loss like this.Yet the last lower levelling plate of present plane rolling bearing is smooth smooth toroidal surface, be the some contact with contacting between the bearing ball, contact stress is big, so need to use more steel ball to reduce the active force that single steel ball bears, the support requirements are just satisfied in 12 of general employings, have so just wasted fabricating cost; In addition, the steel ball of existing plane rolling bearing is held frame and wraps up relatively tightlyer, if there is foreign matter to enter between steel ball and the retainer, then difficult the discharge causes the fretting wear aggravation, reduces bearing life; Also have, last lower levelling plate is to adopt the steel plate impact briquetting, and the character on the two sides of steel plate material (as roughness) is the same sex not, the upper and lower surface of the annulus pad of therefore going out is the same sex not also, this nature difference is called conforming difference, it is influential for the rolling friction meeting after installing, and causes installing the performance that did not reduce compressor at that time.Therefore be necessary the problems referred to above are improved.
Summary of the invention
Purpose of the present invention is the plane rolling bearing in order to provide a kind of compressor for refrigeration to use, and it is good that it has last lower levelling plate conformity, low production cost, and bearing life is long, and the characteristics that the compressor for refrigeration whole efficiency is improved in the back are installed.
The solution that the present invention solves its technical problem is:
The plane rolling bearing that a kind of compressor for refrigeration is used, comprise Upper gasket, be embedded with retainer, the lower levelling plate of ball, the ball of described retainer leans below Upper gasket with above the lower levelling plate, described Upper gasket is circular, the centre of its lower surface is provided with the circular pit that makes progress that overlaps with the ball movement locus, and making the upper end of described ball cooperate the back with this circular pit be the track rolling with it; By-level face with retainer is a symmetry plane, the shape of described lower levelling plate and Upper gasket mirror image symmetry.
Be further used as preferred embodiment, the upper surface of described Upper gasket is provided with the circular pit that is directed downwards with the circular pit symmetry of its lower surface.
Be further used as preferred embodiment, described retainer is the punching press steel part, all open and whole hollow out of its upper and lower end, and the centre is provided with several ball retaining holes that embeds for ball, and ball relies on the resiliently deformable of retainer to fix after embedding the ball retaining hole.
Be further used as preferred embodiment, the ball in the described retainer has six, is evenly distributed on the retainer.
The invention has the beneficial effects as follows: the present invention is repacked the last lower levelling plate of the plane rolling bearing that traditional compressor for refrigeration is used into two-sided ring-type pit structure, make lower levelling plate have good conformity, and the ball in the retainer relies on this pit to roll as track, improved the stability of bearing operation again greatly, improved the operational efficiency of compressor, after originally ball contacts with point between the pad and becomes the line contact, optimized the stressed distribution of ball, even make its quantity that reduces ball also can satisfy job requirement, reduced cost of production.
In addition, retainer of the present invention has adopted open structure, has changed sealed construction in the past, makes its middle foreign matter be easy to discharge, and has prolonged the working life of bearing.
The present invention is simple and reasonable, and last lower levelling plate conformity is good, low production cost, and bearing life is long, the back is installed improves the compressor for refrigeration whole efficiency, is fit to be widely used in the middle of the various compressors for refrigeration.
Description of drawings
Below in conjunction with drawings and Examples the present invention is further detailed.
Fig. 1 is an exploded perspective view of the present invention, and wherein Upper gasket and retainer all are in the broken section state;
Fig. 2 is that the present invention is installed in the assembling schematic representation on the compressor for refrigeration.
Embodiment
With reference to Fig. 1, the plane rolling bearing that a kind of compressor for refrigeration is used, comprise Upper gasket 1, be embedded with retainer 2, the lower levelling plate 3 of ball, the ball of described retainer 2 leans below Upper gasket 1 with above the lower levelling plate 3, described Upper gasket 1 is circular, the centre of its lower surface is provided with the circular pit that makes progress that overlaps with the ball movement locus, and making the upper end of described ball cooperate the back with this circular pit be the track rolling with it; By-level face with retainer 2 is a symmetry plane, the shape of described lower levelling plate 3 and Upper gasket 1 mirror image symmetry.To go up lower levelling plate and make the mirror image symmetrical structure, be when making practical set, and last lower levelling plate can be general mutually, improves whole conformity.
Be further used as preferred embodiment, the upper surface of described Upper gasket 1 is provided with the circular pit that is directed downwards with the circular pit symmetry of its lower surface.Pad is made the structure of two-sided ring-type pit,, also can satisfy matching requirements, further improve the conformity that goes up lower levelling plate even make pad when assembling, spin upside down.
Be further used as preferred embodiment, described retainer 2 is the punching press steel part, all open and whole hollow out of its upper and lower end, and the centre is provided with several ball retaining holes that embeds for ball, and ball relies on the resiliently deformable of retainer 2 to fix after embedding the ball retaining hole.
Be further used as preferred embodiment, the ball in the described retainer 2 has six, is evenly distributed on the retainer 2.Particularly, described ball is a steel ball.Because the track of circular pit has disperseed the stressed of steel ball, therefore only need six steel balls can satisfy force request.
With reference to Fig. 2; after the present invention installs on compressor for refrigeration; when compressor operation; bent axle 5 is stop and rotation not; pressing Upper gasket 1 to rotate; ball on the retainer 2 is also being driven rotation on one side on one side around the revolution of motor 6 output shafts, and revolution orbit is the twice ring-type pit of Upper gasket 1 below and lower levelling plate 3 tops.
More than be that preferable enforcement of the present invention is specified, but the invention is not limited to described embodiment, those of ordinary skill in the art also can make all equivalent variations or replacement under the prerequisite of spirit of the present invention, modification that these are equal to or replacement all are included in the application's claim institute restricted portion.
Claims (4)
1. plane rolling bearing that compressor for refrigeration is used, comprise Upper gasket (1), be embedded with retainer (2), the lower levelling plate (3) of ball, the ball of described retainer (2) leans below Upper gasket (1) and above the lower levelling plate (3), it is characterized in that: described Upper gasket (1) is for circular, the centre of its lower surface is provided with the circular pit that makes progress that overlaps with the ball movement locus, and making the upper end of described ball cooperate the back with this circular pit be the track rolling with it; By-level face with retainer (2) is a symmetry plane, the shape of described lower levelling plate (3) and Upper gasket (1) mirror image symmetry.
2. the plane rolling bearing that compressor for refrigeration according to claim 1 is used is characterized in that: the upper surface of described Upper gasket (1) is provided with the circular pit that is directed downwards with the circular pit symmetry of its lower surface.
3. the plane rolling bearing that compressor for refrigeration according to claim 1 is used, it is characterized in that: described retainer (2) is the punching press steel part, the all open and whole hollow out of its upper and lower end, the centre is provided with several ball retaining holes that embeds for ball, and ball relies on the resiliently deformable of retainer (2) to fix after embedding the ball retaining hole.
4. the plane rolling bearing of using according to claim 1 or 3 described compressors for refrigeration, it is characterized in that: the ball in the described retainer (2) has six, is evenly distributed on the retainer (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110046128 CN102094789B (en) | 2011-02-25 | 2011-02-25 | Plane roll bearing for refrigerator compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110046128 CN102094789B (en) | 2011-02-25 | 2011-02-25 | Plane roll bearing for refrigerator compressor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102094789A true CN102094789A (en) | 2011-06-15 |
| CN102094789B CN102094789B (en) | 2013-04-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110046128 Active CN102094789B (en) | 2011-02-25 | 2011-02-25 | Plane roll bearing for refrigerator compressor |
Country Status (1)
| Country | Link |
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| CN (1) | CN102094789B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2746185Y (en) * | 2004-10-17 | 2005-12-14 | 高月新 | Plane bearing for vehicle damper |
| CN101876342A (en) * | 2010-05-24 | 2010-11-03 | 杭州钱江压缩机有限公司 | Novel plane bearing |
| CN201763571U (en) * | 2010-07-15 | 2011-03-16 | 浙江三和机电科技有限公司 | Novel plane bearing for compressor |
| CN201953608U (en) * | 2011-02-25 | 2011-08-31 | 广州万宝集团压缩机有限公司 | Plane rolling bearing for refrigerator compressor |
-
2011
- 2011-02-25 CN CN 201110046128 patent/CN102094789B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2746185Y (en) * | 2004-10-17 | 2005-12-14 | 高月新 | Plane bearing for vehicle damper |
| CN101876342A (en) * | 2010-05-24 | 2010-11-03 | 杭州钱江压缩机有限公司 | Novel plane bearing |
| CN201763571U (en) * | 2010-07-15 | 2011-03-16 | 浙江三和机电科技有限公司 | Novel plane bearing for compressor |
| CN201953608U (en) * | 2011-02-25 | 2011-08-31 | 广州万宝集团压缩机有限公司 | Plane rolling bearing for refrigerator compressor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102094789B (en) | 2013-04-24 |
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