CN107246391A - For the oil-adding mechanism of compressor and the compressor with it - Google Patents
For the oil-adding mechanism of compressor and the compressor with it Download PDFInfo
- Publication number
- CN107246391A CN107246391A CN201710400952.6A CN201710400952A CN107246391A CN 107246391 A CN107246391 A CN 107246391A CN 201710400952 A CN201710400952 A CN 201710400952A CN 107246391 A CN107246391 A CN 107246391A
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- Prior art keywords
- oil
- compressor
- deformation tube
- adding mechanism
- pull
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/02—Lubrication; Lubricant separation
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Compressor (AREA)
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
Abstract
The invention discloses a kind of oil-adding mechanism for compressor and the compressor with it, there is oil sump and lubricant passage way in compressor, oil-adding mechanism includes：The passage that oils of connection oil sump and lubricant passage way is defined in deformation tube, deformation tube, the top of deformation tube is used to be connected with compressor, and at least a portion of deformation tube is deformable；Pull-down member, pull-down member is located at the bottom of deformation tube makes oil passage holding and the connection of oil sump to pull down deformation tube.Oil-adding mechanism for compressor according to embodiments of the present invention, the effect pulled down by pull-down member to deformation tube, deformation tube can be made to occur corresponding deformation when oil sump run-off the straight etc. changes, it can ensure when pasta changes, deformation tube still can keep connecting with oil sump, so as to which the lubricating oil ensured in oil sump can be entered in lubricant passage way by the passage that oils, to be lubricated to compressor, the validity of oil-adding mechanism oil suction is realized.
Description
Technical field
The present invention relates to Compressor Technology field, in particular it relates to a kind of for the oil-adding mechanism of compressor and with this
The compressor of oil-adding mechanism.
Background technology
Most of horizontal compressor is applied to automotive field, the refrigeration unit for freezing and refrigeration car having, and what is had is used for
Mounted air conditioner system.Due to automobile in the process of moving, the situation of climb and fall can be run into, compressor can together incline with automobile
Tiltedly.
In correlation technique, oil pipe is provided with compressor, oil pipe is the important component for connecting central hole of the crankshaft and oil sump, can be with
Realization oils.When compressor is tilted, under gravity, pasta can change, and the mouth of pipe of oil pipe can depart from pasta, from
And cause can not oil supply situation occur, oil supply efficiency is low and oil supply is unstable.
The content of the invention
It is contemplated that at least solving one of technical problem present in prior art.Therefore, the present invention proposes a kind of use
In the oil-adding mechanism of compressor, the oil-adding mechanism can ensure to oil the continual communication of passage and oil sump, it is ensured that oil suction has
Effect property.
The invention also provides a kind of compressor with above-mentioned oil-adding mechanism.
Oil-adding mechanism for compressor according to embodiments of the present invention, the compressor has oil sump and lubricant passage way,
The oil-adding mechanism includes：The connection oil sump is defined in deformation tube, the deformation tube and oiling for the lubricant passage way is logical
Road, the top of the deformation tube is used to be connected with the compressor, and at least a portion of the deformation tube is deformable；Pull-down member,
The pull-down member is located at the bottom of the deformation tube makes the passage that oils keep and the oil sump to pull down the deformation tube
Connection.
Oil-adding mechanism for compressor according to embodiments of the present invention, the effect pulled down by pull-down member to deformation tube,
Deformation tube can be made to occur corresponding deformation when oil sump run-off the straight etc. changes, it is ensured that when pasta changes, deformed
Pipe still can keep connecting with oil sump, so as to ensure that the lubricating oil in oil sump can enter lubricant passage way by the passage that oils
It is interior, to be lubricated to compressor, realize the validity of oil-adding mechanism oil suction.
In addition, the oil-adding mechanism according to the above embodiment of the present invention for compressor, can also have what is added as follows
Technical characteristic：
Oil-adding mechanism for compressor according to embodiments of the present invention, the pull-down member is gravity pull-down member.Thus, exist
Effect is pulled down in the presence of gravity good.
Oil-adding mechanism for compressor according to embodiments of the present invention, the upper hydraulic fluid port of the oil-adding mechanism is located at the oil
The bottom in pond.
Alternatively, the gravity pull-down member is spheroid or nut.
Further, the gravity pull-down member is located in the lower end of the deformation tube, the gravity pull-down member and is communicated with
The oil inlet passage of oil passage and the oil sump.
According to further embodiment of the present invention, the gravity pull-down member is formed as spherical, and the oil inlet passage is described in
The diameter extension of gravity pull-down member.
Alternatively, the deformation tube is flexible pipe.
According to further embodiment of the present invention, the deformation tube is stainless steel tube.
The oil-adding mechanism for compressor according to embodiments of the present invention, in addition to mounting cap, the mounting cap suitable for
The compressor is connected, and the upper end of the deformation tube is connected with the mounting cap.
Alternatively, the pull-down member and the mounting cap are threadedly coupled or are weldingly connected with the deformation tube respectively.
Compressor according to embodiments of the present invention, including：The oil sump is defined in housing, the housing；It is located at described
Compression mechanism in housing, at least a portion of the lubricant passage way is located in the compression mechanism；According to embodiments of the present invention
Oil-adding mechanism, the deformation tube is connected with the compression mechanism.
Further, the compressor is horizontal compressor, and the compression mechanism includes：Cylinder；Base bearing and supplementary bearing,
The base bearing and the supplementary bearing are respectively provided at the axial two ends of the cylinder, the oil-adding mechanism and the supplementary bearing phase
Even.
The additional aspect and advantage of the present invention will be set forth in part in the description, and will partly become from the following description
Obtain substantially, or recognized by the practice of the present invention.
Brief description of the drawings
The above-mentioned and/or additional aspect and advantage of the present invention will become from description of the accompanying drawings below to embodiment is combined
Substantially and be readily appreciated that, wherein：
Fig. 1 is the structural representation of compressor according to embodiments of the present invention；
Fig. 2 is the side view of compressor according to embodiments of the present invention；
Structural representation when Fig. 3 is compressor run-off the straight according to embodiments of the present invention；
Side view when Fig. 4 is compressor run-off the straight according to embodiments of the present invention；
Fig. 5 is side view when compressor according to embodiments of the present invention is overturn.
Reference：
Compressor 100；Oil-adding mechanism 200；
Housing 10；
Electric machine assembly 20；Stator 21；Rotor 22；
Oil sump 30；
Deformation tube 51；Pull-down member 52；Upper hydraulic fluid port 53；Oil inlet passage 54；Mounting cap 55；Oil passage 56；
Cylinder 60；Base bearing 61；Supplementary bearing 62；Bent axle 63；Piston 64.
Embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings.Below with reference to
The embodiment of accompanying drawing description is exemplary, it is intended to for explaining the present invention, and be not considered as limiting the invention, ability
The those of ordinary skill in domain can carry out a variety of become in the case where not departing from the principle and objective of the present invention to these embodiments
Change, change, replace and modification, the scope of the present invention is limited by claim and its equivalent.
In the description of the invention, it is to be understood that term " on ", " under ", "front", "rear", "left", "right", " perpendicular
Directly ", the orientation or position relationship of the instruction such as " level ", " top ", " bottom ", " axial direction ", " radial direction ", " circumference " are based on shown in accompanying drawing
Orientation or position relationship, be for only for ease of the description present invention and simplify description, rather than indicate or imply signified device
Or element there must be specific orientation, with specific azimuth configuration and operation, therefore it is not considered as limiting the invention.
In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can
To be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected to by intermediary, Ke Yishi
The connection of two element internals.For the ordinary skill in the art, with concrete condition above-mentioned term can be understood at this
Concrete meaning in invention.
Below with reference to the accompanying drawings describe according to embodiments of the present invention for the oil-adding mechanism 200 of compressor 100 and with it
Compressor 100.It should be noted that oil-adding mechanism 200 according to embodiments of the present invention is not limited only to be used for shown in accompanying drawing
Compressor 100 on, can also be applied to other structures compressor on, this is appreciated that for a person skilled in the art
's.
Shown in reference picture 1, compressor 100 according to embodiments of the present invention has oil sump 30 and lubricant passage way.Oil-adding mechanism
200 can be located in compressor 100, and oil-adding mechanism 200 can include deformation tube 51 and pull-down member 52.
Specifically, the top of deformation tube 51 is used to be connected with compressor 100.The passage that oils is defined in deformation tube 51
56, the oil that the passage 56 that oils is used to connect in oil sump 30 and lubricant passage way, oil sump 30 can enter lubricating oil by the passage 56 that oils
Road.At least a portion of deformation tube 51 can be deformed.Pull-down member 52 is located at the bottom of deformation tube 51, and pull-down member 52 can be to deformation
Pipe 51 applies the effect of drop-down, allows at least a portion of deformation tube 51 when run-off the straight of compressor 100 etc. changes
Deformation so that what the passage 56 that oils can keep connected state with oil sump 30 and can continue is lubricated from oil sump 30
Oil.Lubricating oil in oil sump 30 is transported to lubricant passage way by oil-adding mechanism 200 by the passage 56 that oils, and lubricant passage way is compressor
100 are lubricated.
The oil-adding mechanism of compressor in correlation technique, is made up of oily cap and oil pipe.Oil pipe uses copper pipe or steel pipe, oil pipe
It is welded on oily cap.Because oil pipe is non-deformable and the position of the relative compressor of oil pipe mouthful is fixed, therefore incline in compressor
Tiltedly or in the case that pasta is relatively low, oil pipe mouth is easy to depart from pasta, thus cause can not oil supply situation, oil supply efficiency is low
And oil supply effect is unstable.
As shown in Fig. 3, Fig. 4 and Fig. 5, the oil-adding mechanism 200 for compressor 100 according to embodiments of the present invention passes through
At least a portion of deformation tube 51 can be deformed and pull-down member 52 can apply the effect of drop-down, deformation tube 51 to deformation tube 51
Can occur corresponding change with the change of the pasta of oil sump 30 so that the passage 56 that oils keeps connecting all the time with oil sump 30, can be with
Compressor 100 is realized when inclination or pasta are relatively low, the passage 56 that oils still can be connected with oil sump 30, so that
Ensure the validity of the oil suction of oil-adding mechanism 200, oil supply efficiency high and oil supply effect stability, to the lubricant effect of compressor 100
It is good.
In some embodiments of the invention, pull-down member 52 can be gravity pull-down member.Under gravity, gravity is pulled down
Part may remain in oil sump 30, and gravity pull-down member is connected with the bottom of deformation tube 51, and gravity pull-down member applies to deformation tube 51
The effect of drop-down makes deformation tube deform.When 100 run-off the straight of compressor, gravity pull-down member under gravity still can
To be maintained in oil sump 30 so that the passage 56 that oils keeps connecting with oil sump 30.Thus, it is possible to which the passage 56 that ensures to oil can be with
Lubricating oil is persistently obtained from oil sump 30.
Only it is described it is understood that pull-down member 52 is gravity pull-down member as example, in the present invention, pull-down member
52 are not limited in as gravity pull-down member, can also be other types of pull-down member, deformation tube 51 is realized as long as disclosure satisfy that
Drop-down effect is so that the requirement that the lubricating oil in oil sump 30 can be continued into deformation tube 51, for example, pull-down member 52 is also
Can be elastic pull-down member etc..
Alternatively, gravity pull-down member can be spheroid or nut.The compound with regular structure of spheroid or nut, uniform quality, thus,
Effect stability is pulled down in the presence of gravity.
As shown in figure 1, further, gravity pull-down member may be provided in can be provided with the lower end of deformation tube 51, gravity pull-down member
Connect the oil inlet passage 54 of oil passage 56 and oil sump 30.When the pasta in oil sump 30 is relatively low, lubricating oil can pass through gravity
Oil inlet passage 54 on pull-down member, enters the passage 56 that oils.Thus, oil supply effect more preferably, improves oil supply efficiency.
According to further embodiment of the present invention, gravity pull-down member is formed as spherical, and oil inlet passage 54 can be along under gravity
The diameter extension of draw piece.The center of gravity of spherical gravity pull-down member is at its core, and effect stability is pulled down under gravity.Enter
Oily passage 54 can be limited along the diameter of gravity pull-down member, made and more facilitated.Alternatively, as shown in figure 1, oil inlet passage
54 can vertically be extended, and lubricating oil is more easy to enter in oil inlet passage 54.
In some embodiments of the invention, the upper hydraulic fluid port 53 of oil-adding mechanism 200 can be located at the bottom of oil sump 30.Oil sump 30
Interior oil enters oil-adding mechanism 200 by the upper hydraulic fluid port 53 of oil-adding mechanism 200.Upper hydraulic fluid port 53 is arranged on to the bottom of oil sump 30
Portion, it is ensured that the oil in oil sump 30 can preferably enter oil-adding mechanism 200, the especially pasta in oil sump 30 it is relatively low or
Also oil sump 30 can be kept to be connected with the effective of oil-adding mechanism 200 in the case that the inclined degree of person's compressor 100 is larger.Here,
Upper hydraulic fluid port 53 is the mouth that oil-adding mechanism 200 is directly connected with oil sump 30.In the embodiment shown in fig. 1, set in pull-down member 52
There is oil inlet passage 54, the entrance of oil inlet passage 54 is upper hydraulic fluid port 53.In some unshowned embodiments of the present invention, drop-down
Oil inlet passage 54 is not provided with part 52, the lower end of deformation tube 51 is directly toward oil sump 30, now, the import of deformation tube 51, i.e.,
The import of passage 56 of oiling is above-mentioned upper hydraulic fluid port 53.
Oil-adding mechanism 200 for compressor 100 according to embodiments of the present invention, deformation tube 51 can be flexible pipe.Thus, become
With the drop-down effect of pull-down member 52 plastic deformation can occur for shape pipe 51 so that the passage 56 that oils can keep connecting with oil sump 30
State, oil effect stability and efficiency high.
According to further embodiment of the present invention, deformation tube 51 is stainless steel tube.Stainless steel flexible hose has good softness
Property, corrosion resistance, wear-resistant, pull resistance, water proofing property simultaneously provide excellent capability of electromagnetic shielding.Stainless steel flexible hose can freely be bent
Into various angles and radius of curvature, there is same flexibility and durability in all directions；Between stainless steel flexible hose pitch
Flexibly, there are preferable retractility, clog-free and stiffness.
As depicted in figs. 1 and 2, in some embodiments of the invention, oil-adding mechanism 200 may also include mounting cap 55, peace
Dress cap 55 can be connected with compressor 100, and the upper end of deformation tube 51 can be connected with mounting cap 55.Thus, oil-adding mechanism 200 with
Lubricant passage way is connected by mounting cap 55, good sealing effect.Alternatively, one end closing of mounting cap 55, the other end and compressor
100 adaptations are installed.The bottom of mounting cap 55 can be provided with opening, be connected for the upper end with deformation tube 51.
Alternatively, pull-down member 52 and mounting cap 55 are threadedly coupled or are weldingly connected with deformation tube 51 respectively.That is, under
Draw piece 52 and deformation tube 51 can be threadedly coupled or be weldingly connected, and mounting cap 55 and deformation tube 51 can be threadedly coupled or weld phase
Even.Thread connecting mode can facilitate the replacing and maintenance of deformation tube 51 and pull-down member 52 to be detachably connected；Welding manner connects
Connect solid and reliable, and it is easy to connect.
As shown in Figure 1, Figure 3, compressor 100 according to embodiments of the present invention may include housing 10 and compression mechanism.Housing
10 cross section is formed as in circle, housing 10 that oil sump 30 can be defined, and oil sump 30 can be located at the bottom of housing 10.Compressor
Structure may be provided in inside housing 10, and at least a portion of lubricant passage way may be provided in compression mechanism.Lubricant passage way can be compression mechanism
Lubrication is provided during work.One end of compression mechanism is connected with mounting cap 55.Lubricating oil in deformation tube 51 can pass through mounting cap 55
Into the lubricant passage way in compression mechanism, lubrication is provided for compression mechanism.
Further, compressor 100 can be horizontal compressor.As shown in Figure 1, Figure 3, compression mechanism may include：Cylinder
60th, base bearing 61 and supplementary bearing 62.Base bearing 61 is located at the axial left end of cylinder 60, and supplementary bearing 62 is located at the axial direction of cylinder 60
Right-hand member.The right-hand member of supplementary bearing 62 is connected with mounting cap 55.
With continued reference to shown in Fig. 1, Fig. 3, compression mechanism may also include bent axle 63, piston 64 and slide plate.Bent axle 63 is through master
Bearing 61 and supplementary bearing 62, bent axle 63 are supported by base bearing 61 and supplementary bearing 62.Specifically, base bearing 61 can be used for supporting bent axle
63 middle part, supplementary bearing 62 can be used for the right part of supporting bent axle 63.Can be formed with center oilhole in bent axle 63, center oilhole with
Lubricant passage way is connected, and the lubricating oil that center oilhole is sucted holds 61, piston 64 and supplementary bearing 62 etc. available for lubricating spindle,
Abrasion during these component workings is reduced, the life-span of compressor 100 is improved.
Alternatively, piston 64 can be set on bent axle 63.Piston 64 can be annular, and the left side of piston 64 can be close to
The right surface of base bearing 61, the right side of piston 64 can be close to the left surface of supplementary bearing 62.The outer peripheral face of piston 64 can be in cylinder
Slided on 60 inner peripheral surface, piston 64 is used to be compressed to entering the refrigerant in cylinder 60.
As shown in Figure 1, Figure 3, according to one embodiment of present invention, the left end of compression mechanism can be provided with electric machine assembly 20.
Electric machine assembly 20 can include stator 21 and rotor 22, and stator 21 can be fixed on the internal face of housing 10, and rotor 22 can turn
The inner side of stator 21 is set in dynamicly, the top of rotor 22 and bent axle 63 is fixed, so that with dynamic crankshaft 63 around the center of bent axle 63
Axis is rotated.
Oil-adding mechanism 200 according to embodiments of the present invention and other compositions of compressor 100 and operation are for this area
Those of ordinary skill for be knowable, be not described in detail herein.
In the description of this specification, reference term " embodiment ", " example ", " specific example " or " some examples " etc.
Description means that combining the embodiment or specific features, structure, material or the feature of example description is contained in the present invention at least
In one embodiment or example.In this manual, identical implementation is not necessarily referring to the schematic representation of above-mentioned term
Example or example.Moreover, specific features, structure, material or the feature of description can in any one or more embodiments or
Combined in an appropriate manner in example.
Claims (12)
1. a kind of oil-adding mechanism for compressor, it is characterised in that have oil sump and lubricant passage way in the compressor, described
Oil-adding mechanism be suitable to be located in the compressor and including：
The passage that oils for connecting the oil sump and the lubricant passage way, the deformation tube are defined in deformation tube, the deformation tube
Top be used for be connected with the compressor, at least a portion of the deformation tube is deformable；
Pull-down member, the pull-down member be located at the bottom of the deformation tube with pull down the deformation tube make the passage that oils keep with
The connection of the oil sump.
2. the oil-adding mechanism according to claim 1 for compressor, it is characterised in that the pull-down member pulls down for gravity
Part.
3. the oil-adding mechanism according to claim 1 for compressor, it is characterised in that the upper hydraulic fluid port of the oil-adding mechanism
Positioned at the bottom of the oil sump.
4. the oil-adding mechanism according to claim 2 for compressor, it is characterised in that the gravity pull-down member is spheroid
Or nut.
5. the oil-adding mechanism according to claim 2 for compressor, it is characterised in that the gravity pull-down member is located at institute
State the oil inlet passage that oil passage and the oil sump are communicated with the lower end of deformation tube, the gravity pull-down member.
6. the oil-adding mechanism according to claim 5 for compressor, it is characterised in that the gravity pull-down member is formed as
It is spherical, diameter extension of the oil inlet passage along the gravity pull-down member.
7. the oil-adding mechanism according to claim 1 for compressor, it is characterised in that the deformation tube is flexible pipe.
8. the oil-adding mechanism according to claim 7 for compressor, it is characterised in that the deformation tube is stainless steel
Pipe.
9. the oil-adding mechanism according to claim 1 for compressor, it is characterised in that the oil-adding mechanism also includes：
Mounting cap, the mounting cap is suitable to be connected with the compressor, and the upper end of the deformation tube is connected with the mounting cap.
10. the oil-adding mechanism according to claim 9 for compressor, it is characterised in that the pull-down member and the peace
Dress cap is threadedly coupled or is weldingly connected with the deformation tube respectively.
11. a kind of compressor, it is characterised in that including：
The oil sump is defined in housing, the housing；
The compression mechanism in the housing is located at, at least a portion of the lubricant passage way is located in the compression mechanism；
Oil-adding mechanism according to any one of claim 1-10, the deformation tube is connected with the compression mechanism.
12. compressor according to claim 11, it is characterised in that the compressor is horizontal compressor, the compression
Mechanism includes：
Cylinder；
Base bearing and supplementary bearing, the base bearing and the supplementary bearing are respectively provided at the axial two ends of the cylinder, described to oil
Mechanism is connected with the supplementary bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710400952.6A CN107246391A (en) | 2017-05-31 | 2017-05-31 | For the oil-adding mechanism of compressor and the compressor with it |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710400952.6A CN107246391A (en) | 2017-05-31 | 2017-05-31 | For the oil-adding mechanism of compressor and the compressor with it |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107246391A true CN107246391A (en) | 2017-10-13 |
Family
ID=60017953
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710400952.6A Pending CN107246391A (en) | 2017-05-31 | 2017-05-31 | For the oil-adding mechanism of compressor and the compressor with it |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107246391A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60153488A (en) * | 1984-01-24 | 1985-08-12 | Mitsubishi Electric Corp | Enclosed rotary compressor |
| JPH03185278A (en) * | 1989-12-13 | 1991-08-13 | Matsushita Refrig Co Ltd | Sealed compressor |
| CN202597109U (en) * | 2012-04-27 | 2012-12-12 | 比亚迪股份有限公司 | Oil absorbing subassembly and scroll compressor with same |
| CN104314813A (en) * | 2014-10-20 | 2015-01-28 | 广东美芝制冷设备有限公司 | Horizontal compressor |
| CN206770216U (en) * | 2017-05-31 | 2017-12-19 | 广东美芝制冷设备有限公司 | For compressor oil-adding mechanism and there is its compressor |
-
2017
- 2017-05-31 CN CN201710400952.6A patent/CN107246391A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60153488A (en) * | 1984-01-24 | 1985-08-12 | Mitsubishi Electric Corp | Enclosed rotary compressor |
| JPH03185278A (en) * | 1989-12-13 | 1991-08-13 | Matsushita Refrig Co Ltd | Sealed compressor |
| CN202597109U (en) * | 2012-04-27 | 2012-12-12 | 比亚迪股份有限公司 | Oil absorbing subassembly and scroll compressor with same |
| CN104314813A (en) * | 2014-10-20 | 2015-01-28 | 广东美芝制冷设备有限公司 | Horizontal compressor |
| CN206770216U (en) * | 2017-05-31 | 2017-12-19 | 广东美芝制冷设备有限公司 | For compressor oil-adding mechanism and there is its compressor |
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Application publication date: 20171013 |