CN206309547U - Linear compressor lubrication system and linear compressor - Google Patents
Linear compressor lubrication system and linear compressor Download PDFInfo
- Publication number
- CN206309547U CN206309547U CN201621224853.4U CN201621224853U CN206309547U CN 206309547 U CN206309547 U CN 206309547U CN 201621224853 U CN201621224853 U CN 201621224853U CN 206309547 U CN206309547 U CN 206309547U
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- oil
- support set
- linear compressor
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- oil duct
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Abstract
The utility model proposes a kind of linear compressor lubrication system and linear compressor, in linear compressor lubrication system, cylinder cover is offered on cylinder cover and draws wire casing, cylinder seat is offered on cylinder seat and draws wire casing, external stator is offered in external stator and draws drawing lines, oil duct gap is left between inner stator punching end face and inner stator socket end face, cylinder cover draws wire casing, cylinder seat draws wire casing, external stator draws drawing lines and oil duct gap is sequentially connected, the lower end in oil duct gap is near support set, the support set oil groove arranged along support set axis is offered on support set, support set oilhole is offered on the downside of support set, the lower end of oil pump is immersed in oil sump, oil pump connected pipes, the lubricating oil that the end of oil pipe sprays enters external stator and draws drawing lines.The beneficial effects of the utility model are:Simultaneously to the piston and cylinder seat, bearing and air-breathing two friction lubricatings of door of linear compressor.
Description
Technical field
The utility model is related to technical field of refrigeration compressors, more particularly to a kind of linear compressor lubrication system and
Linear compressor.
Background technology
Linear compressor drives piston to do linear reciprocating motion using linear electric motors, sucks the refrigerant liquid of low-temp low-pressure
Body, discharges the refrigerant gas of HTHP.In order to ensure that linear compressor piston does linear reciprocating motion in the axial direction, generally
Can there are two friction pairs on press structure, be respectively piston and cylinder seat, bearing and air-breathing door.When linear compressor works,
Piston is doing high-frequency reciprocating linear motion always, the friction between frictional force, bearing and air-breathing door between piston and cylinder seat
Power is lost certain power.In addition, friction can also produce buffing, aggravate piston, cylinder seat, bearing, the abrasion of air-breathing door, from
And cause the leakage of gas, making the efficiency of compressor further reduces.Buffing also can result in the damage of the parts such as piston,
Cause card cylinder when serious.In addition, the lubricant effect of above-mentioned friction pair is bad, easily causes linear compressor local temperature liter
It is high.
Lubricating method used by current linear compressor has two kinds, and one kind is only to lubricate bucket cylinder seat friction pair;Separately
Outer one kind is to lubricate two friction pairs respectively by three oil pipes.The first does not consider bearing, the lubrication of air-breathing door;Second
Kind of triplate line is either from motor outside or inner side two friction pairs of lubrication, and structure is all relative complex, and lubricating oil easily exists
Glass fiber rod (support set) internal reservoir, it is impossible to realize the circulation of lubricating oil.
Utility model content
The purpose of this utility model is to provide a kind of linear compressor lubrication system and linear compressor, is solved existing
Linear compressor simultaneously to piston and cylinder seat, bearing and air-breathing two lubrication problems of friction pair of door.
The utility model provides a kind of linear compressor lubrication system, including the cylinder cover of assembly connection, cylinder seat, outer
Stator, inner stator punching, default sub-socket, support set, piston, mover skeleton, bearing, air-breathing door, oil pump, oil sump and oil pipe,
Cylinder cover is offered on cylinder cover and draws wire casing, cylinder seat offered on cylinder seat and draws wire casing, it is outer fixed to be offered in external stator
Son draws drawing lines, and oil duct gap is left between inner stator punching end face and inner stator socket end face, and cylinder cover draws wire casing, cylinder
Seat is drawn wire casing, external stator extraction drawing lines and oil duct gap and is sequentially connected, and the lower end in oil duct gap is close to support set, on support set
The support set oil groove arranged along the axis of support set is offered, support set oilhole, the lower end of oil pump are offered on the downside of support set
It is immersed in oil sump, oil pump connected pipes, the lubricating oil that the end of oil pipe sprays enters external stator extraction drawing lines.
Further, mover skeleton oil duct, mover skeleton oil duct connection support set oil groove, mover are offered in mover skeleton
The lower end of skeleton oil duct is near air-breathing door.
Further, mover skeleton oil duct, support rod end surface, bearing face form mover skeleton branch oil duct, mover skeleton
Branch oil duct lower end is near air-breathing door.
Further, the end for drawing wire casing in cylinder cover on cylinder cover is provided with lubricating oil closure.
Further, the end of oil pipe stretches into external stator and draws drawing lines.
Further, several support set oilholes are offered on the downside of support set.
Further, support set is made by glass fiber material.
The utility model also provides a kind of linear compressor, including above-mentioned linear compressor lubrication system.
Compared with prior art, linear compressor lubrication system of the present utility model has the characteristics that and advantage:
1st, linear compressor lubrication system of the present utility model, while to piston and cylinder seat, bearing and air-breathing door two
The lubrication of individual friction pair, effectively reduces the abrasion of piston and cylinder seat, bearing and air-breathing door, extends the service life of part, carries
Movement kinetic stability high, by reducing coefficient of friction, reduces friction power loss and mechanical loss, so as to improve the effect of compressor
Rate;
2nd, linear compressor lubrication system of the present utility model, while to piston and cylinder seat, bearing and air-breathing door two
The lubrication of individual friction pair, takes away the heat of two friction pairs generation, it is to avoid linear compressor local temperature is too high, to improve compressor
Gettering efficiency;
3rd, linear compressor lubrication system of the present utility model, greasing lubricates for circulation, can effectively take away and rub
The buffing of by-product life is wiped, piston, cylinder seat, bearing, the abrasion of air-breathing door is reduced, it is to avoid the damage of the part such as piston and card
Cylinder;
4th, linear compressor lubrication system of the present utility model, greasing lubricates for circulation, it is to avoid lubricating oil is in glass
Fine bar (support set) internal reservoir, improves the efficiency of linear compressor;
5th, linear compressor lubrication system of the present utility model, makes full use of the fortune of movement itself in linear compressor
Dynamic, support set, support set oil groove act as the oil circuit being transported on piston, bearing, without increasing oil pipe, without in cylinder seat
Portion sets oil circuit, it is ensured that the structural strength of cylinder seat, simple structure, low cost.
After specific embodiment of the present utility model is read in conjunction with the figure, will become more with advantage the characteristics of the utility model
Plus it is clear.
Brief description of the drawings
In order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or the accompanying drawing to be used needed for description of the prior art is briefly described, it should be apparent that, drawings in the following description are these
Some embodiments of utility model, for those of ordinary skill in the art, on the premise of not paying creative work, also
Other accompanying drawings can be obtained according to these accompanying drawings.
Fig. 1 is the integrally-built left view of the utility model embodiment linear compressor lubrication system;
Fig. 2 is A-A profiles in Fig. 1;
Fig. 3 is B direction views in Fig. 2;
Fig. 4 is the part-structure figure one of the utility model embodiment linear compressor lubrication system;
Fig. 5 is C direction views in Fig. 4;
Fig. 6 is the part-structure figure two of the utility model embodiment linear compressor lubrication system;
Fig. 7 is D direction views in Fig. 6;
1st, cylinder cover, 11, cylinder cover draw wire casing, 12, lubricating oil closure, 2, cylinder seat, 21, cylinder seat draw wire casing,
3rd, external stator, 31, external stator draw drawing lines, 4, inner stator punching, 41, inner stator punching end face, 5, default sub-socket, 51, interior
Stator socket end face, 61, support set, 611, support set oil groove, 612, support set oilhole, 613, support set end face, 62, piston,
63rd, mover skeleton, 631, mover skeleton oil duct, 632, mover skeleton branch oil duct, 64, bearing, 641, bearing face, 7, air-breathing
Door, 81, oil pump, 82, oil sump, 83, oil pipe.
Specific embodiment
As shown in Figures 1 to 7, the present embodiment provides a kind of linear compressor lubrication system, cylinder cover 1, cylinder seat 2,
External stator 3, inner stator punching 4, default sub-socket 5, support set 61, piston 62, mover skeleton 63, bearing 64, air-breathing door 7, oil
The parts assembly connections such as pump 81, oil sump 82 and oil pipe 83.Cylinder cover is offered on cylinder cover 1 and draws wire casing 11, on cylinder seat 2
Offer cylinder seat and draw wire casing 21, external stator is offered in external stator 3 and draws drawing lines 31, inner stator punching end face 41 and default
Oil duct gap is left between sub-socket end face 51, cylinder cover is drawn wire casing 11, cylinder seat and draws wire casing 21, external stator extraction drawing lines
31 and oil duct gap be sequentially connected, the lower end in oil duct gap offers along support set 61 near support set 61 on support set 61
The support set oil groove 611 of axis arrangement, the downside of support set 61 offers several support set oilholes 612, the lower end of oil pump 81
It is immersed in oil sump 82, the side connected pipes 83 of oil pump 81, the lubricating oil that the end of oil pipe 83 sprays enters external stator lead-out wire
Road 31.
In the utility model embodiment, external stator 3, inner stator (inner stator punching 4, default sub-socket 5 etc.) and mover are (dynamic
Sub- skeleton 63 etc.) composition linear electric motors, there is coil in inner stator, mover is made up of permanent magnet, after electric current is passed through in coil, line
The permanent magnetic field for enclosing the alternating magnetic field and permanent magnet generation for producing forms a thrust, promotes piston 62 and the grade of mover skeleton 63 to make past
Linear motion, refrigeration is reached with compression refrigerant.Cylinder cover is drawn wire casing 11, cylinder seat and draws wire casing 21, external stator
Draw drawing lines 31 and be originally intended to arrange cable that cable draws drawing lines 31, vapour from the winding wiring in inner stator and successively through external stator
Cylinder seat is drawn wire casing 21, cylinder cover extraction wire casing 11 and is drawn.The utility model takes full advantage of existing external stator and draws drawing lines
31st, cylinder seat is drawn wire casing 21, cylinder cover and draws wire casing 11, and cylinder cover is drawn wire casing 11, cylinder seat extraction wire casing 21 and serves as oil
Groove, external stator is drawn drawing lines 31 and serves as oil duct.The end of oil pipe 83 stretches into external stator and draws drawing lines 31, and the end of oil pipe 83 sprays
Lubricating oil enter external stator draw drawing lines 31 in.When linear compressor works, oil pump 81 is produced with the motion of compressor
So as to the lubricating oil in oil sump 82 is delivered in oil pipe 83, lubricating oil sprays and enters external stator pressure difference from the end of oil pipe 83
Draw in drawing lines 31, lubricating oil continues the oil duct gap flowing between inner stator punching end face 41 and inner stator socket end face 51,
Lubricating oil is flow on the surface of support set 61 along oil duct gap.When linear compressor works, support set 61, piston 62, mover bone
Frame 63 and bearing 64 synchronously make straight reciprocating motion, after lubricating oil is reached on support set 61, using the axial direction of compressor movement
Motion, lubricating oil is moved left and right along the axial direction of support set 61, and on the one hand lubricating oil is entered between piston 62 and cylinder seat 2
Friction auxiliary air gap in, play a part of lubrication, take away buffing, and oil is formed between piston 62 and the friction pair of cylinder seat 2
Film is sealed;On the other hand moved towards the direction of bearing 64 along the bearing of trend of support set oil groove 611, lubricating oil finally enters
Enter in the friction auxiliary air gap between bearing 64 and air-breathing door 7, lubricate bearing 64 and air-breathing door 7, reduce friction loss.Lubricating oil
A part can be flow in oil sump 82 along the outer circumferential side of support set 61, but lubricating oil has a little entering into during lubrication
The inside of support set 61.Lubricating oil enters into the inside of support set 61, on the one hand can increase the weight of the grade moving component of support set 61
Amount, another aspect lubricating oil is entered into compression chamber with refrigerant, influences the operating efficiency of compressor.The utility model is implemented
In example, the downside of support set 61 offers several support set oilholes 612, when lubricating oil reaches one in the internal reservoir of support set 61
When quantitative, lubricating oil flows out from support set oilhole 612, so as to realize the circulation of lubricating oil.Greasing is circulated, can be effective
The buffing of friction pair generation is taken away, piston 62, cylinder seat 2, the abrasion of bearing 64, air-breathing door 7 is reduced, it is to avoid the grade of piston 62 portion
The damage of part and card cylinder, it is to avoid lubricating oil improves the efficiency of linear compressor in the internal reservoir of support set 61.
In the utility model embodiment, draw wire casing 21, cylinder cover along cylinder seat in order to avoid lubricating oil and draw wire casing
11 backflows, the end for drawing wire casing 11 in cylinder cover on cylinder cover 1 is provided with lubricating oil closure 12.Support set 61 is by glass fibers
Dimension material is made, and the intensity requirement and lighter weight of linear compressor is met, to improve the efficiency of linear compressor.This reality
With mover skeleton oil duct 631 in new embodiment, is offered in mover skeleton 63, the connection support set of mover skeleton oil duct 631 is oily
Groove 611, near air-breathing door 7, lubricating oil is exited into mover bone from support set oil groove 611 for the lower end of mover skeleton oil duct 631
Frame oil duct 631, it is possible to which follower skeleton oil duct 631 reaches the position of air-breathing door 7, can rub to bearing 64 and air-breathing door 7
Pair lubricates more uniform, fully.On the basis of the above, mover skeleton oil duct 631, support rod end surface 613, bearing face 641
Form mover skeleton branch oil duct 632, the connection mover skeleton branch of mover skeleton oil duct 631 oil duct 632, mover skeleton branch oil duct 632
Lower end is near air-breathing door 7.So, lubricating oil follower skeleton oil duct 631 enters into mover skeleton branch oil duct 632 after flowing out, and
Continue follower skeleton branch oil duct 632 and be flowed directly to air-breathing door 7, with further optimization to bearing 64 and air-breathing 7 friction pairs of door
Lubrication.
Linear compressor lubrication system in the utility model embodiment, makes full use of movement itself in linear compressor
Motion, the periphery of support set 61, support set oil groove 611 act as the oil circuit being transported on piston 62, bearing 64, without increasing
Oil pipe, without setting oil circuit inside cylinder seat 2, it is ensured that the structural strength of cylinder seat 2, simple structure, low cost.It is simultaneously right
Piston 62 and cylinder seat 2, bearing 64 and air-breathing 7 two lubrications of friction pair of door, effectively reduce piston 62 and cylinder seat 2, bearing
64 with air-breathing door 7 abrasion, extend part service life, improve movement kinetic stability, by reducing coefficient of friction, reduce
Friction power loss and mechanical loss, so as to improve the efficiency of compressor.To piston 62 and 7 liang of cylinder seat 2, bearing 64 and air-breathing door
In the greasing of individual friction pair, the heat of two friction pairs generation is taken away, it is to avoid linear compressor local temperature is too high, to improve
The gettering efficiency of compressor.
The present embodiment also provides a kind of linear compressor, including the present embodiment above-mentioned linear compressor lubrication system,
Will not be repeated here.
Certainly, described above is not that, to limitation of the present utility model, the utility model is also not limited to the example above,
Change, remodeling, addition or replacement that those skilled in the art are made in essential scope of the present utility model, also should
Belong to protection domain of the present utility model.
Claims (7)
1. a kind of linear compressor lubrication system, it is characterised in that:Cylinder cover, cylinder seat, external stator including assembly connection,
Inner stator punching, default sub-socket, support set, piston, mover skeleton, bearing, air-breathing door, oil pump, oil sump and oil pipe, cylinder cover
On offer cylinder cover draw wire casing, offered on cylinder seat cylinder seat draw wire casing, offered in external stator external stator extraction
Drawing lines, leaves oil duct gap between inner stator punching end face and inner stator socket end face, cylinder cover is drawn wire casing, cylinder seat and drawn
Wire casing, external stator draw drawing lines and oil duct gap is sequentially connected, and the lower end in oil duct gap offers near support set on support set
Along the support set oil groove that the axis of support set is arranged, support set oilhole is offered on the downside of support set, the lower end of oil pump is immersed in oil
Chi Zhong, oil pump connected pipes, the lubricating oil that the end of oil pipe sprays enters external stator extraction drawing lines.
2. linear compressor lubrication system according to claim 1, it is characterised in that:Mover is offered in mover skeleton
Skeleton oil duct, mover skeleton oil duct connection support set oil groove, the lower end of mover skeleton oil duct is near air-breathing door.
3. linear compressor lubrication system according to claim 2, it is characterised in that:Mover skeleton oil duct, support bar
End face, bearing face form mover skeleton branch oil duct, and mover skeleton branch oil duct lower end is near air-breathing door.
4. linear compressor lubrication system according to claim 1, it is characterised in that:Stretch into external stator in the end of oil pipe
Draw drawing lines.
5. linear compressor lubrication system according to claim 1, it is characterised in that:If being offered on the downside of support set
Dry support set oilhole.
6. the linear compressor lubrication system according to any one of claim 1 to 5, it is characterised in that:Support set is by glass
Glass fibrous material is made.
7. a kind of linear compressor, it is characterised in that including the linear compressor profit any one of claim 1 to 6
Slipped Clove Hitch structure.
Priority Applications (1)
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CN201621224853.4U CN206309547U (en) | 2016-11-14 | 2016-11-14 | Linear compressor lubrication system and linear compressor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201621224853.4U CN206309547U (en) | 2016-11-14 | 2016-11-14 | Linear compressor lubrication system and linear compressor |
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Publication Number | Publication Date |
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CN206309547U true CN206309547U (en) | 2017-07-07 |
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CN201621224853.4U Expired - Fee Related CN206309547U (en) | 2016-11-14 | 2016-11-14 | Linear compressor lubrication system and linear compressor |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106368927A (en) * | 2016-11-14 | 2017-02-01 | 青岛万宝压缩机有限公司 | Lubrication structure for linear compressor and linear compressor |
-
2016
- 2016-11-14 CN CN201621224853.4U patent/CN206309547U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106368927A (en) * | 2016-11-14 | 2017-02-01 | 青岛万宝压缩机有限公司 | Lubrication structure for linear compressor and linear compressor |
CN106368927B (en) * | 2016-11-14 | 2018-06-12 | 青岛万宝压缩机有限公司 | Linear compressor lubrication system and linear compressor |
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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: 20170707 Termination date: 20181114 |
|
CF01 | Termination of patent right due to non-payment of annual fee |