CN207131587U - Pump assembly, compressor and air conditioner - Google Patents
Pump assembly, compressor and air conditioner Download PDFInfo
- Publication number
- CN207131587U CN207131587U CN201720931816.5U CN201720931816U CN207131587U CN 207131587 U CN207131587 U CN 207131587U CN 201720931816 U CN201720931816 U CN 201720931816U CN 207131587 U CN207131587 U CN 207131587U
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- China
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- pump assembly
- crawler shoe
- power transmission
- transmission shaft
- sliding block
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Abstract
The utility model provides a kind of pump assembly, compressor and air conditioner.Wherein, pump assembly, for compressor, pump assembly includes：Cylinder jacket, piston cylinder, upper bearing (metal) and lower bearing, cylinder jacket connect upper bearing (metal) and lower bearing respectively, and piston cylinder is arranged in cylinder jacket, and pump assembly also includes：Sliding block, it is arranged in the first mounting hole of piston cylinder, sliding block is provided with the second mounting hole；Crawler shoe is rolled, setting is in hollow cavity structure, rolls crawler shoe and is arranged in the second mounting hole, and it is interference fit to roll crawler shoe with sliding block；Power transmission shaft, one end of power transmission shaft are arranged in cavity structure；Wherein, when the compressor is operated, power transmission shaft carries out rolling friction relative to sliding block.The utility model rolls crawler shoe by setting, so that power transmission shaft carries out rolling friction relative to sliding block, coefficient of friction is greatly reduced, reduces energy consumption during compressor operating, compressor performance and reliability of operation are improved, and extends the service life of pump assembly.
Description
Technical field
Compressor manufacturing technical field is the utility model is related to, in particular to a kind of pump assembly, compressor and sky
Adjust device.
Background technology
In correlation technique, the power transmission shaft of compressor is directly connected to sliding block so that during compressor operating, the bent axle of compressor
Torque is extruded by sliding block plane and transmitted so that the coefficient of friction between power transmission shaft and sliding block is big, causes the work(of compressor operating
Consumption is high, meanwhile, the structure setting easily causes compressor operating because of the insufficient lubrication of the rubbing surface between power transmission shaft and sliding block
When break down situation about even damaging occur.
Utility model content
The utility model is intended at least solve one of technical problem present in prior art or correlation technique.
Therefore, first aspect of the present utility model proposes a kind of pump assembly.
Second aspect of the present utility model proposes a kind of compressor.
The third aspect of the present utility model proposes a kind of air conditioner.
In view of this, first aspect of the present utility model proposes a kind of pump assembly, for compressor, pump assembly bag
Include：Cylinder jacket, piston cylinder, upper bearing (metal) and lower bearing, cylinder jacket connect upper bearing (metal) and lower bearing respectively, and piston cylinder is arranged on cylinder
In set, pump assembly also includes：Sliding block, it is arranged in the first mounting hole of piston cylinder, sliding block is provided with the second mounting hole；Roll
Crawler shoe, setting is in hollow cavity structure, rolls crawler shoe and is arranged in the second mounting hole, rolls crawler shoe and matches somebody with somebody with sliding block for interference
Close；Power transmission shaft, one end of power transmission shaft are arranged in cavity structure；Wherein, when the compressor is operated, power transmission shaft enters relative to sliding block
Row rolling friction.
A kind of pump assembly provided by the utility model includes：Sliding block, roll crawler shoe and power transmission shaft.By the way that crawler shoe will be rolled
It is arranged in the second mounting hole, and it is interference fit to roll crawler shoe with sliding block so that during compressor operating, the bent axle power of compressor
Square passes to sliding block by power transmission shaft by rolling crawler shoe so that power transmission shaft carries out rolling friction relative to sliding block, greatly reduces
Coefficient of friction, energy consumption caused by compressor operating is reduced, improves compressor performance and reliability of operation, stability,
Improve Consumer's Experience；Further, crawler shoe is rolled by setting so that when pump assembly works, reduce power transmission shaft and cunning
The contact area of block, and then reduce sliding block, roll the spillage of material of crawler shoe and power transmission shaft, extend pump assembly uses the longevity
Life.Solve in correlation technique, because coefficient of friction is big and then causes energy caused by complete machine operation between power transmission shaft and sliding block
Consume the problem of big.Meanwhile the structure setting is reasonable, it is easy to process, production cost is low, and facilitates follow-up dismounting and maintenance.
According to the above-mentioned pump assembly of the utility model, there can also be following additional technical feature：
In the above-mentioned technical solutions, it is preferable that rolling crawler shoe includes：At least four needle rollers；Wherein, compressor operating is worked as
When, power transmission shaft drives at least four needle rollers to roll.
In the technical scheme, by setting at least four needle rollers on crawler shoe is rolled so that during compressor operating, transmission
Axle carries out rolling friction relative at least four needle rollers, greatly reduces coefficient of friction, reduces caused by compressor operating
Energy consumption, compressor performance and reliability of operation, stability are improved, improve the performance and Consumer's Experience of product, together
When, the processing technology of at least four balls is simple, and production cost is low, is easy to volume production.
In any of the above-described technical scheme, it is preferable that rolling crawler shoe also includes：Support, at least four needle rollers are arranged on branch
On frame；Wherein, when the compressor is operated, power transmission shaft drives at least four needle rollers to be rolled relative to support.
In the technical scheme, it is arranged on by setting support, and by least four needle rollers on support, at least four needle rollers
It is free to rotate but do not loosen under the fixation of support, i.e. both to have can guarantee that power transmission shaft drives at least four needle rollers relative to support
Roll, and can ensures that four needle rollers are firm and is arranged on support.
In any of the above-described technical scheme, it is preferable that the cross sectional shape of support is in I-shaped, and at least four needle rollers are located at work
Between the upper and lower end face of font.
In the technical scheme, by the structure for rationally setting support so that the cross sectional shape of support is in I-shaped, is being protected
While demonstrate,proving at least four needle rollers can be firmly mounted on support, reduce the input of material, reduce production cost, reduce
To the occupancy of the inner space of the second mounting hole of sliding block, and then reduce the appearance and size of sliding block, reduce complete machine
Weight, improve the performance and Consumer's Experience of product.
In any of the above-described technical scheme, it is preferable that pump assembly also includes：Oil filler point, it is arranged on sliding block, with second
Mounting hole is connected.
In the technical scheme, by setting oil filler point, and oil filler point is connected with the second mounting hole, using oil filler point to
Oiling in sliding block, when power transmission shaft drives slide block movement, roll and form hydrldynamic pressure lubrication between crawler shoe, sliding block and power transmission shaft,
So as to which the relative motion surface of above-mentioned part mutually be separated using oil film, and then coefficient of friction is further reduced, reduce pressure
Energy consumption caused by the operation of contracting machine, improves compressor performance and reliability of operation, stability, improves Consumer's Experience.
In any of the above-described technical scheme, it is preferable that roll crawler shoe and roll crawler shoe for annular, the second mounting hole is and annular
Roll the second collar mounting holes that crawler shoe is adapted.
In the technical scheme, the shape of crawler shoe is rolled by rationally setting, is allowed to roll crawler shoe, and the second peace for annular
Dress Kong Weiyu annulars roll the second collar mounting holes that crawler shoe is adapted, and increase the rotating torque of sliding block；Further, second
The processing technology of collar mounting holes is simple, and production cost is low, is easy to volume production.
In any of the above-described technical scheme, it is preferable that annular, which rolls crawler shoe, to be included plane rolling crawler shoe section and rolled with plane
The curved surface that dynamic crawler shoe section is connected rolls crawler shoe section；Wherein, at least four needle rollers are distributed in plane rolling crawler shoe section.
In the technical scheme, by the way that at least four needle rollers are distributed in into plane rolling crawler shoe section, i.e. according to power transmission shaft
Movement locus, the distributing position of at least four needle rollers is rationally set, reduces the dosage of needle roller, reduces production cost, lifted
The competitiveness of product in market.
In any of the above-described technical scheme, it is preferable that one end of power transmission shaft towards cavity structure is provided with installation portion.
In the technical scheme, by setting installation portion towards one end of cavity structure in power transmission shaft, increase power transmission shaft
Contact surface is installed, the installation of axle is easily installed, ensure that compactness and steadiness at assembling.
In any of the above-described technical scheme, it is preferable that the span of the diameter of at least four needle rollers is：1mm to 5mm.
In the technical scheme, the span of the diameter by rationally setting at least four needle rollers, it is allowed to as 1mm extremely
5mm, avoiding increasing processing technology difficulty because the diameter of at least four needle rollers is less than 1mm, the situation for lifting production cost occurs,
And avoid the diameter because of at least four needle rollers from being more than 5mm, and the situation for reducing the inner space of cavity structure occurs.
Second aspect of the present utility model proposes a kind of compressor, including：Such as any technical scheme institute in first aspect
The pump assembly stated.
Compressor provided by the utility model, because including the pump assembly as any one of first aspect, therefore have
There are whole beneficial effects of above-mentioned pump assembly, do not do state one by one herein.
The third aspect of the present utility model proposes a kind of air conditioner, including：Such as any technical scheme institute in first aspect
The pump assembly stated；Or the compressor as described in any technical scheme in second aspect.
Air conditioner provided by the utility model, because including the pump assembly as any one of first aspect；Or such as the
Compressor in two aspects described in any technical scheme, therefore whole beneficial effects with above-mentioned pump assembly or compressor,
Do not do and state one by one herein.
Additional aspect and advantage of the present utility model will become obvious in following description section, or new by this practicality
The practice of type is recognized.
Brief description of the drawings
Of the present utility model above-mentioned and/or additional aspect and advantage will in the description from combination accompanying drawings below to embodiment
Become obvious and be readily appreciated that, wherein：
Fig. 1 shows the part-structure schematic diagram of the pump assembly of one embodiment of the present utility model；
Fig. 2 shows the phantom of the pump assembly of one embodiment of the present utility model；
Fig. 3 shows the structural representation of the piston cylinder of one embodiment of the present utility model；
Fig. 4 shows the front view of the piston cylinder of one embodiment of the present utility model；
Fig. 5 is the top view of the piston cylinder of embodiment illustrated in fig. 4；
Fig. 6 is the left view of the piston cylinder of embodiment illustrated in fig. 4；
Fig. 7 shows the structural representation of the sliding block of one embodiment of the present utility model；
Fig. 8 shows the front view of the sliding block of one embodiment of the present utility model；
Fig. 9 is the left view of the sliding block of embodiment illustrated in fig. 8；
Figure 10 is the top view of the sliding block of embodiment illustrated in fig. 8；
Figure 11 shows the structural representation of the rolling crawler shoe of one embodiment of the present utility model；
Figure 12 shows the front view of the rolling crawler shoe of one embodiment of the present utility model；
Figure 13 is the left view of the rolling crawler shoe of embodiment illustrated in fig. 12；
Figure 14 is the top view of the rolling crawler shoe of embodiment illustrated in fig. 12；
Figure 15 shows the structural representation of the power transmission shaft of one embodiment of the present utility model；
Figure 16 shows the front view of the power transmission shaft of one embodiment of the present utility model；
Figure 17 is the left view of the power transmission shaft of embodiment illustrated in fig. 16；
Figure 18 is the top view of the power transmission shaft of embodiment illustrated in fig. 16.
Wherein, corresponding relations of the Fig. 1 into Figure 18 between reference and component names is：
1 pump assembly, 10 cylinder jacket, 20 piston cylinders, 202 first mounting holes, 30 sliding blocks, 302 second mounting holes, 40 roll
Crawler shoe, 402 needle rollers, 404 supports, 50 power transmission shafts, 502 installation portions.
Embodiment
In order to be more clearly understood that above-mentioned purpose of the present utility model, feature and advantage, below in conjunction with the accompanying drawings and tool
The utility model is further described in detail body embodiment.It should be noted that in the case where not conflicting, this Shen
The feature in embodiment and embodiment please can be mutually combined.
Many details are elaborated in the following description in order to fully understand the utility model, still, this practicality
New to be different from other modes described here using other to implement, therefore, the scope of protection of the utility model is simultaneously
Do not limited by following public specific embodiment.
Referring to Fig. 1 to Figure 18 descriptions according to the utility model some embodiments pump assembly 1, compressor and sky
Adjust device.
As shown in Figures 1 to 10, the embodiment of the utility model first aspect proposes a kind of pump assembly 1, for pressing
Contracting machine, pump assembly 1 include：Cylinder jacket 10, piston cylinder 20, upper bearing (metal) and lower bearing, cylinder jacket 10 connect respectively upper bearing (metal) and
Lower bearing, piston cylinder 20 are arranged in cylinder jacket 10, and pump assembly 1 also includes：Sliding block 30, it is arranged on the first peace of piston cylinder 20
Fill in hole 202, sliding block 30 is provided with the second mounting hole 302；Crawler shoe 40 is rolled, setting is in hollow cavity structure, rolls crawler shoe
40 are arranged in the second mounting hole 302, and it is interference fit to roll crawler shoe 40 with sliding block 30；Power transmission shaft 50, one end of power transmission shaft 50
It is arranged in cavity structure；Wherein, when the compressor is operated, power transmission shaft 50 carries out rolling friction relative to sliding block 30.
A kind of pump assembly 1 provided by the utility model includes：Sliding block 30, roll crawler shoe 40 and power transmission shaft 50.Passing through will
Roll crawler shoe 40 to be arranged in the second mounting hole 302, and it is interference fit to roll crawler shoe 40 with sliding block 30 so that compressor operating
When, the crankshaft torque of compressor passes to sliding block 30 by power transmission shaft 50 by rolling crawler shoe 40 so that power transmission shaft 50 is relative to cunning
Block 30 carries out rolling friction, greatly reduces coefficient of friction, reduces energy consumption caused by compressor operating, improve compressor
Performance and reliability of operation, stability, improve Consumer's Experience；Further, crawler shoe 40 is rolled by setting so that the pump housing
When component 1 works, the contact area of power transmission shaft 50 and sliding block 30 is reduced, and then reduces sliding block 30, roll crawler shoe 40 and pass
The spillage of material of moving axis 50, extend the service life of pump assembly 1.Solve in correlation technique, power transmission shaft 50 and sliding block 30
Between due to coefficient of friction is big so that cause complete machine run caused by energy consumption it is big the problem of.Meanwhile the structure setting is reasonable, just
In processing, production cost is low, and facilitates follow-up dismounting and maintenance.
In one embodiment of the present utility model, it is preferable that as shown in Figure 11 to 14, rolling crawler shoe 40 includes：Extremely
Few four needle rollers 402；Wherein, when the compressor is operated, power transmission shaft 50 drives at least four needle rollers 402 to roll.
In this embodiment, by setting at least four needle rollers 402 on crawler shoe 40 is rolled so that during compressor operating,
Power transmission shaft 50 carries out rolling friction relative at least four needle rollers 402, greatly reduces coefficient of friction, reduces compressor operating
Caused energy consumption, compressor performance and reliability of operation, stability are improved, improve performance and the user of product
Experience, meanwhile, the processing technology of at least four balls is simple, and production cost is low, is easy to volume production.
In one embodiment of the present utility model, it is preferable that as shown in Figure 11 to 14, rolling crawler shoe 40 also includes：
Support 404, at least four needle rollers 402 are arranged on support 404；Wherein, when the compressor is operated, power transmission shaft 50 drives at least four
Individual needle roller 402 rolls relative to support 404.
In this embodiment, by setting support 404, and at least four needle rollers 402 are arranged on support 404, at least
Four needle rollers 402 are free to rotate under the fixation of support 404 but do not loosen, i.e. both can guarantee that power transmission shaft 50 drives at least four
Individual needle roller 402 rolls relative to support 404, and and can ensures that four needle rollers 402 are firm and is arranged on support 404.
In one embodiment of the present utility model, it is preferable that the cross sectional shape of support 404 is in I-shaped, and at least four
Needle roller 402 is between I-shaped upper and lower end face.
In this embodiment, by rationally setting the structure of support 404 so that the cross sectional shape of support 404 in I-shaped,
While ensureing that at least four needle rollers 402 can be firmly mounted on support 404, reduce the input of material, reduce life
Cost is produced, reduces the occupancy of the inner space to the second mounting hole 302 of sliding block 30, and then reduce the profile of sliding block 30
Size, the weight of complete machine is reduced, improve the performance and Consumer's Experience of product.
In one embodiment of the present utility model, it is preferable that pump assembly 1 also includes：Oil filler point, it is arranged on sliding block 30
On, it is connected with the second mounting hole 302.
In this embodiment, by setting oil filler point, and oil filler point is connected with the second mounting hole 302, utilizes oil filler point
The oiling into sliding block 30, when power transmission shaft 50 moves with movable slider 30, roll and formed between crawler shoe 40, sliding block 30 and power transmission shaft 50
Hydrldynamic pressure lubrication, so as to which the relative motion surface of above-mentioned part mutually be separated using oil film, and then further reduce friction
Coefficient, energy consumption caused by compressor operating is reduced, improve compressor performance and reliability of operation, stability, lifted
Consumer's Experience.
In one embodiment of the present utility model, it is preferable that roll crawler shoe 40 and roll crawler shoe 40, the second installation for annular
Hole 302 is the second collar mounting holes being adapted with annular rolling crawler shoe 40.
In this embodiment, the shape of crawler shoe 40 is rolled by rationally setting, is allowed to roll crawler shoe 40, and second for annular
Mounting hole 302 is the second collar mounting holes being adapted with annular rolling crawler shoe 40, increases the rotating torque of sliding block 30；Enter one
Step ground, the processing technology of the second collar mounting holes is simple, and production cost is low, is easy to volume production.
In one embodiment of the present utility model, it is preferable that annular, which rolls crawler shoe 40, includes 40 sections of plane rolling crawler shoe
40 sections of crawler shoe is rolled with 40 sections of curved surfaces being connected of plane rolling crawler shoe；Wherein, at least four needle rollers 402 are distributed in plane rolling
Dynamic 40 sections of crawler shoe.
In this embodiment, by the way that at least four needle rollers 402 are distributed in into 40 sections of plane rolling crawler shoe, i.e. according to transmission
The movement locus of axle 50, the distributing position of at least four needle rollers 402 is rationally set, reduces the dosage of needle roller 402, reduces life
Cost is produced, improves the competitiveness of product in market.
In one embodiment of the present utility model, it is preferable that as shown in FIG. 15 to 18, power transmission shaft 50 is towards cavity knot
One end of structure is provided with installation portion 502.In this embodiment, by setting installation towards one end of cavity structure in power transmission shaft 50
Portion 502, increase the installation contact surface of power transmission shaft 50, be easy to the installation of power transmission shaft 50, ensure that the compactness at assembling and consolidate
Property.
In one embodiment of the present utility model, it is preferable that the span of the diameter of at least four needle rollers 402 is：
1mm to 5mm.
In this embodiment, by the span for the diameter for rationally setting at least four needle rollers 402, it is allowed to as 1mm extremely
5mm, avoid increasing processing technology difficulty because the diameter of at least four needle rollers 402 is less than 1mm, lift the situation hair of production cost
It is raw, and avoid because the diameter of at least four needle rollers 402 occurs more than the situation for the inner space for reducing cavity structure 5mm.
According to second aspect embodiment of the present utility model, it is also proposed that a kind of compressor, including of the present utility model
Pump assembly 1 described in one side embodiment.
Compressor provided by the utility model, because including the pump assembly 1 described in first aspect embodiment, therefore with upper
Whole beneficial effects of pump assembly 1 are stated, does not do state one by one herein.
According to third aspect embodiment of the present utility model, it is also proposed that a kind of air conditioner, including of the present utility model
Pump assembly 1 described in one side embodiment；Or the compressor described in including second aspect embodiment of the present utility model.
Air conditioner provided by the utility model, because including the pump assembly 1 described in first aspect embodiment or including second
Compressor described in aspect embodiment, therefore whole beneficial effects with above-mentioned pump assembly 1 or compressor, do not do one herein
One statement.
In the utility model, term " multiple " then refers to two or more, is limited unless otherwise clear and definite.Term
The term such as " installation ", " connected ", " connection ", " fixation " all should be interpreted broadly, for example, " connection " can be fixedly connected,
Can be detachably connected, or be integrally connected；" connected " can be joined directly together, and can also pass through the indirect phase of intermediary
Even.For the ordinary skill in the art, it can understand above-mentioned term in the utility model as the case may be
Concrete meaning.
In the description of this specification, the description of term " one embodiment ", " some embodiments ", " specific embodiment " etc.
Mean that combining specific features, structure, material or feature that the embodiment or example describe is contained in of the present utility model at least one
In individual embodiment or example.In this manual, identical embodiment is not necessarily referring to the schematic representation of above-mentioned term
Or example.Moreover, specific features, structure, material or the feature of description can be in any one or more embodiments or example
In combine in an appropriate manner.
Preferred embodiment of the present utility model is the foregoing is only, is not limited to the utility model, for this
For the technical staff in field, the utility model can have various modifications and variations.It is all in the spirit and principles of the utility model
Within, any modification, equivalent substitution and improvements made etc., it should be included within the scope of protection of the utility model.
Claims (11)
1. a kind of pump assembly, for compressor, the pump assembly includes：Cylinder jacket, piston cylinder, upper bearing (metal) and lower bearing,
The cylinder jacket connects the upper bearing (metal) and the lower bearing respectively, and the piston cylinder is arranged in the cylinder jacket, its feature
It is, the pump assembly also includes：
Sliding block, it is arranged in the first mounting hole of the piston cylinder, the sliding block is provided with the second mounting hole；
Crawler shoe is rolled, setting is in hollow cavity structure, and the rolling crawler shoe is arranged in second mounting hole, the rolling
Crawler shoe is interference fit with the sliding block；
Power transmission shaft, one end of the power transmission shaft are arranged in the cavity structure；
Wherein, when the compressor operating, the power transmission shaft carries out rolling friction relative to the sliding block.
2. pump assembly according to claim 1, it is characterised in that
The rolling crawler shoe includes：At least four needle rollers；
Wherein, when the compressor operating, the power transmission shaft drives at least four needle roller to roll.
3. pump assembly according to claim 2, it is characterised in that
The rolling crawler shoe also includes：Support, at least four needle roller are set on the bracket；
Wherein, when the compressor operating, the power transmission shaft drives at least four needle roller to be rolled relative to the support.
4. pump assembly according to claim 3, it is characterised in that
The cross sectional shape of the support is in I-shaped, and at least four needle roller is between the I-shaped upper and lower end face.
5. pump assembly according to any one of claim 1 to 4, it is characterised in that also include：
Oil filler point, it is arranged on the sliding block, is connected with second mounting hole.
6. the pump assembly according to any one of claim 2 to 4, it is characterised in that
The rolling crawler shoe is that annular rolls crawler shoe, and second mounting hole is second be adapted with the annular rolling crawler shoe
Collar mounting holes.
7. pump assembly according to claim 6, it is characterised in that
The annular, which rolls crawler shoe, includes plane rolling crawler shoe section and the curved surface being connected with plane rolling crawler shoe section rolling
Crawler shoe section；
Wherein, at least four needle roller is distributed in the plane rolling crawler shoe section.
8. pump assembly according to any one of claim 1 to 4, it is characterised in that
One end of the power transmission shaft towards the cavity structure is provided with installation portion.
9. the pump assembly according to any one of claim 2 to 4, it is characterised in that
The span of the diameter of at least four needle roller is：1mm to 5mm.
A kind of 10. compressor, it is characterised in that including：
Such as the pump assembly any one of above-mentioned claim 1 to 9.
A kind of 11. air conditioner, it is characterised in that including：
Such as the pump assembly any one of above-mentioned claim 1 to 9；Or
Compressor as described in above-mentioned claim 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720931816.5U CN207131587U (en) | 2017-07-28 | 2017-07-28 | Pump assembly, compressor and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720931816.5U CN207131587U (en) | 2017-07-28 | 2017-07-28 | Pump assembly, compressor and air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207131587U true CN207131587U (en) | 2018-03-23 |
Family
ID=61639812
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720931816.5U Active CN207131587U (en) | 2017-07-28 | 2017-07-28 | Pump assembly, compressor and air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207131587U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107387416A (en) * | 2017-07-28 | 2017-11-24 | 广东美芝制冷设备有限公司 | Pump assembly, compressor and air conditioner |
-
2017
- 2017-07-28 CN CN201720931816.5U patent/CN207131587U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107387416A (en) * | 2017-07-28 | 2017-11-24 | 广东美芝制冷设备有限公司 | Pump assembly, compressor and air conditioner |
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