CN207500120U - Pump body subassembly and compressor - Google Patents
Pump body subassembly and compressor Download PDFInfo
- Publication number
- CN207500120U CN207500120U CN201721240724.9U CN201721240724U CN207500120U CN 207500120 U CN207500120 U CN 207500120U CN 201721240724 U CN201721240724 U CN 201721240724U CN 207500120 U CN207500120 U CN 207500120U
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- Prior art keywords
- silencing cavity
- cavity
- pump assembly
- slide plate
- roller
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- 230000030279 gene silencing Effects 0.000 claims abstract description 160
- 230000008676 import Effects 0.000 claims description 10
- 230000009467 reduction Effects 0.000 claims description 8
- 230000003434 inspiratory effect Effects 0.000 abstract description 6
- 239000003507 refrigerant Substances 0.000 description 33
- 230000006835 compression Effects 0.000 description 20
- 238000007906 compression Methods 0.000 description 20
- 238000010586 diagram Methods 0.000 description 16
- 230000000694 effects Effects 0.000 description 8
- 239000002826 coolant Substances 0.000 description 5
- 230000035515 penetration Effects 0.000 description 4
- 230000006872 improvement Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- 206010008469 Chest discomfort Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000004323 axial length Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005247 gettering Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Landscapes
- Applications Or Details Of Rotary Compressors (AREA)
Abstract
The utility model provides a pump body subassembly and compressor. The pump body assembly comprises a cylinder (1), a roller (2) and a sliding sheet (3), wherein the roller (2) is rotatably arranged in the cylinder (1), a sliding sheet groove (4), an exhaust groove (5) and an air suction port (6) are formed in the cylinder (1), the sliding sheet (3) is slidably arranged in the sliding sheet groove (4), one end of the sliding sheet (3) is abutted to the periphery of the roller (2), a first silencing cavity (7) is formed in one side, facing the exhaust groove (5), of the sliding sheet (3), and the first silencing cavity (7) is not communicated with the air suction port (6) in one rotation period of the roller (2). According to the utility model discloses a pump body subassembly can effectively avoid the amortization chamber to influence the inspiratory capacity of compressor, guarantees the work efficiency of compressor.
Description
Technical field
The utility model belongs to Compressor Technology field, and in particular to a kind of pump assembly and compressor.
Background technology
As shown in Figure 1, for a kind of existing compressor noise reduction cavity configuration, which includes importing access 1 ' and cavity 2 '
Two parts.Silencing cavity is arranged on the 4 ' place of gas vent of cylinder 3 ', and during compressor operating, the high pressure refrigerant in silencing cavity cannot be from gas
Cylinder 3 ' is discharged.As shown in Fig. 2, when roller 5 ' turns over silencing cavity, the high pressure refrigerant of intracavitary is discharged into cylinder 3 ', at this time cylinder
3 ' also in suction condition, therefore can influence the inspiratory capacity of compressor, so as to cause the increase of compressor redundant gap volume, in addition,
It also corresponds to be compressed to this portion gas of high pressure, and is released into air-breathing low-pressure side, compressor does this portion gas
Idle work, so as to affecting compressor efficiency.Wherein, compressor often rotates a circle, and all some refrigerant can be in silencing cavity
It is interior, first it is compressed into high pressure, it is impossible to be discharged to high pressure chest, when roller 5 ' turns over slide plate 6 ', which is released again
For low pressure.
Therefore, existing compressor generally existing silencing cavity influences the inspiratory capacity of compressor, leads to the reduction of compressor efficiency
The problem of.
Utility model content
Therefore, the technical problem to be solved by the present invention is to provide a kind of pump assembly and compressors, can be effective
Silencing cavity is avoided to influence the inspiratory capacity of compressor, ensures the work efficiency of compressor.
To solve the above-mentioned problems, the utility model provides a kind of pump assembly, including cylinder, roller and slide plate, roller
It is rotatably arranged in cylinder, sliding vane groove, air discharge duct and air entry is provided on cylinder, slide plate is slidably arranged in sliding vane groove
Interior, one end of slide plate is connected to the periphery of roller, and the side of slide plate towards air discharge duct is provided with the first silencing cavity, the one of roller
In a rotation period, the first silencing cavity is not attached to lead to air entry.
Preferably, the first silencing cavity includes the be interconnected first importing access and the first cavity, and the first importing access is set
It puts in the first cavity close to the side of roller.
Preferably, the first silencing cavity is one, and the first silencing cavity is arranged on the middle part of slide plate, and the first cavity is along slide plate
Short transverse extends to both sides, and the first importing access is arranged on the middle part of the first cavity.
Preferably, at least side of the first cavity is along short transverse penetration slipping sheet.
Preferably, the first silencing cavity is multiple, and multiple first silencing cavities are mutually isolated.
Preferably, at least two noise reduction frequency in multiple first silencing cavities is different；And/or multiple first silencing cavities
Shape it is different.
Preferably, the thickness of the first silencing cavity is less than or equal to the 1/4 of slide plate thickness.
Preferably, the second silencing cavity is additionally provided on cylinder, the second silencing cavity is connected with the first silencing cavity, and with exhaust
Slot is isolated.
Preferably, the second silencing cavity includes the second importing access and the second cavity, and the second importing access is connected to first and disappears
Between sound chamber and the second cavity.
Preferably, the second importing access is obliquely extended along the direction close to roller relative to the first silencing cavity.
Preferably, first silencing cavity is arranged at the seamed edge of slide plate, and the second importing access is connected to this one first
Silencing cavity.
Preferably, in a rotation period of roller, the first silencing cavity connects always with the second silencing cavity.
Embodiment according to the present utility model, air conditioner include pump assembly, which is above-mentioned pump assembly.
Pump assembly provided by the utility model, including cylinder, roller and slide plate, roller is rotatably arranged in cylinder
It is interior, sliding vane groove, air discharge duct and air entry are provided on cylinder, slide plate is slidably arranged in sliding vane groove, and one end of slide plate is connected to
The periphery of roller, the side of slide plate towards air discharge duct are provided with the first silencing cavity, and in a rotation period of roller, first disappears
Sound chamber is not attached to lead to air entry.When the pump assembly works, since the first silencing cavity and air entry are in the entire rotation of roller
In period, do not connect always, therefore during compressor air-discharging, high pressure gas can be squeezed into from compression chamber the first silencing cavity and
In air discharge duct, when proceeding by air-breathing at roller turns to air entry position, the first silencing cavity on slide plate still contracts at this time
Enter in sliding vane groove, and stopped by the side wall of sliding vane groove, can not be connected with air entry, therefore close the high pressure in the first silencing cavity
Gas will not be discharged into suction muffler, and the refrigerant in suction muffler is caused to flow back from air entry, after roller was rotated further roller,
Air entry is separated by roller and the first silencing cavity at this time, and slide plate stretches out sliding vane groove, and the first silencing cavity is connected with discharge chamber, due to
The refrigerant pressure in the first silencing cavity of gas coolant pressure ratio in discharge chamber is low, and the refrigerant in the first silencing cavity can the row of flowing out to
In air cavity.When the refrigerant pressure balance in the gas coolant pressure and discharge chamber in the first silencing cavity, due to inblock cylinder air cavity
Volume becomes smaller, and refrigerant pressure increases in discharge chamber, and refrigerant pressure also increases in the first silencing cavity, and the first silencing cavity can rise at this time
To sound deadening.In whole process, since air entry is always maintained at normal suction, will not due to silencing cavity high pressure refrigerant and
Cause air-breathing reflux problem occurs, therefore effectively avoid the inspiratory capacity of silencing cavity influence compressor, ensure the work energy of compressor
Effect.
Description of the drawings
Fig. 1 is the dimensional structure diagram of cylinder of the prior art；
Fig. 2 is the fit structure schematic diagram of pump assembly of the prior art；
Fig. 3 is the assembly structure diagram of the pump assembly of the utility model embodiment；
Fig. 4 is the enlarged structure schematic diagram at the L of Fig. 3；
Fig. 5 is a kind of dimensional structure diagram of slide plate of the pump assembly of the utility model embodiment；
Fig. 6 is the dimensional structure diagram of another slide plate of the pump assembly of the utility model embodiment；
Fig. 7 is the structure diagram of another slide plate of the pump assembly of the utility model embodiment；
Fig. 8 is the dimensional structure diagram of the slide plate in Fig. 7；
Fig. 9 is the dimensional structure diagram of the pump assembly of another embodiment of the utility model；
Figure 10 is the structure diagram of the pump assembly of another embodiment of the utility model；
Figure 11 is the dimensional structure diagram of the slide plate of the pump assembly of another embodiment of the utility model；
Figure 12 is the dimensional structure diagram of the cylinder of the pump assembly of another embodiment of the utility model；
Figure 13 is the structure diagram of the cylinder of the pump assembly of another embodiment of the utility model；
Figure 14 is the A-A of Figure 13 to schematic cross-sectional view；
Figure 15 is the structure diagram when slide plate of the pump assembly of another embodiment of the utility model is in retracted mode；
Figure 16 is the slide plate of Figure 15 and the enlarged structure schematic diagram of sliding slot cooperation；
Figure 17 is the structure diagram when slide plate of the pump assembly of another embodiment of the utility model is in stretching state.
Reference numeral is expressed as：
1st, cylinder；2nd, roller；3rd, slide plate；4th, sliding vane groove；5th, air discharge duct；6th, air entry；7th, the first silencing cavity；8th, it first leads
Enter access；9th, the first cavity；10th, the second silencing cavity；11st, second access is imported；12nd, the second cavity.
Specific embodiment
With reference to shown in referring to Fig. 1 to Figure 17, embodiment according to the present utility model, pump assembly includes cylinder 1, roller 2
With slide plate 3, roller 2 is rotatably arranged in cylinder 1, and sliding vane groove 4, air discharge duct 5 and air entry 6, slide plate are provided on cylinder 1
3 are slidably arranged in sliding vane groove 4, and one end of slide plate 3 is connected to the periphery of roller 2, and slide plate 3 is set towards the side of air discharge duct 5
There is the first silencing cavity 7, in a rotation period of roller 2, the first silencing cavity 7 is not attached to lead to air entry 6.
When the pump assembly works, due to the first silencing cavity 7 with air entry 6 in the entire rotation period of roller 2, always
It not connecting, therefore during compressor air-discharging, high pressure gas can be squeezed into from compression chamber in the first silencing cavity 7 and air discharge duct 5,
When proceeding by air-breathing at roller 2 turns to 6 position of air entry, the first silencing cavity 7 still retraction slide plate on slide plate 3 at this time
In slot 4, and stopped by the side wall of sliding vane groove 4, can not be connected with air entry 6, therefore close the high pressure gas in the first silencing cavity 7
Body will not be discharged into suction muffler, and the refrigerant in suction muffler is caused to flow back from air entry 6, when roller 2 was rotated further roller 2
Afterwards, air entry 6 is separated by roller 2 and the first silencing cavity 7 at this time, and slide plate 3 stretches out sliding vane groove 4, the first silencing cavity 7 and discharge chamber
Connection, it is cold in the first silencing cavity 7 since the refrigerant pressure in the first silencing cavity of gas coolant pressure ratio 7 in discharge chamber is low
Matchmaker can be flowed out in discharge chamber.When the refrigerant pressure balance in the gas coolant pressure and discharge chamber in the first silencing cavity 7, by
Becoming smaller in cylinder exhaust cavity volume, refrigerant pressure increases in discharge chamber, and refrigerant pressure also increases in the first silencing cavity 7, and at this time the
One silencing cavity 7 can play sound deadening.It, will not be due to disappearing since air entry 6 is always maintained at normal suction in whole process
The high pressure refrigerant of sound chamber and cause occur air-breathing reflux problem, therefore effectively avoid silencing cavity influence compressor inspiratory capacity, protect
Demonstrate,prove the work efficiency of compressor.
With reference to shown in referring to Fig. 3 to Fig. 8, in one embodiment of the utility model, the first silencing cavity 7 includes mutually interconnecting
Logical first imports 8 and first cavity 9 of access, and the first importing access 8 is arranged on the first cavity 9 close to the side of roller 2.First
It imports access 8 and extends to slide plate 3 close to the edge of compression chamber from the first cavity 9, but penetration slipping sheet 3 namely first do not lead
Enter access 8 not connect with compression chamber directly, but after slide plate 3 stretches out certain length, first imports access 8 from slide plate 3
Side and compression chamber both ends, first import access 8 along between its extending direction and compression chamber there is interval, the interval
Thickness decides the time that the first importing access 8 is connected with compression chamber, therefore, by setting rational spacer thickness, Ke Yiyou
Effect ensures that the first silencing cavity 7 is not connected in the entire rotation period of roller 2 with air entry 6, so as to effectively avoid
High pressure gas in first silencing cavity 7 is connected with air entry 6, and high pressure gas is caused to be back to compression chamber so that gas in compression chamber
State refrigerant pressure is excessive, the problem of causing 6 refrigerant return of air entry, ensures the gettering ability of compressor, ensures the work of compressor
Make performance.
Preferably, as shown in figure 5, wherein in one embodiment, the first silencing cavity 7 is one, and the first silencing cavity 7 is set
It puts in the middle part of the side of slide plate 3, the first cavity 9 extends along the short transverse of slide plate 3 to both sides, and the first importing access 8 is set
In the middle part of the side of the first cavity 9.Since the thickness of slide plate 3 is effective, in order to avoid the setting of the first silencing cavity 7 causes
The structural strength of slide plate 3 reduces, and influences the service life of slide plate 3, needs to limit the thickness of the first silencing cavity 7, thus, just
Easily the volume of the first silencing cavity 7 of limitation, the volume for leading to the first silencing cavity are too small, it is impossible to play effective absorption compressor pressure
The problem of contracting residual air, therefore, it is necessary on the basis of the smaller structural strength for influencing slide plate 3 of the first silencing cavity 7 is ensured, ensure the
One silencing cavity 7 has sufficiently large surface area on slide plate 3, so as to ensure that the first silencing cavity 7 has enough easy and effective
Erasure effect.First silencing cavity 7 is arranged in the middle part of the side of slide plate 3, since the lateralarea of slide plate 3 is maximum, just
Can by the area of the first silencing cavity 7 set it is larger, so as to meet the volume requirement of the first silencing cavity 7.The height of slide plate herein
Degree direction refers to the axial length direction of cylinder 1.
Preferably, at least side of the first cavity 9 is along short transverse penetration slipping sheet 3, so that 9 energy of the first cavity
Enough there is the volume of bigger.Further, since the side of the first cavity 9 is along short transverse penetration slipping sheet 3, therefore it can be slide plate
Silencing cavity is set on the end face of matched partition board or flange etc., is stored the residual air in discharge chamber by the first silencing cavity 7
It, can be on the basis of the influence to the structural strength of slide plate 3 be reduced to the greatest extent so that disappear on to the silencing cavity of partition board or flange
Sound chamber has enough volumes to accommodate the residual air that discharge chamber is discharged.
With reference to shown in Figure 6, in another embodiment, the first silencing cavity 7 is multiple, multiple first silencing cavities 7
It is mutually isolated.These first silencing cavities 7 can shift to install, so that the arrangement of the first silencing cavity 7 being capable of more adduction
Reason, on the basis of the structural strength for ensureing slide plate 3 so that the first silencing cavity 7 can have sufficiently large volume.Due to each
A first silencing cavity 7 is independent, and therefore, each first silencing cavity 7 is comprising there are one the importing accesses of independent first
8, it is preferable that the position that each first importing access 8 extends to the edge of the close compression chamber of slide plate 3 is identical.
Silencing cavity is a kind of Helmholtz resonator, is a resonance sound-absorbing structure, for reducing pneumatic noise.First leads
Enter the gas in access 8 under pressure oscillation effect, make the reciprocating motion of similar piston, and the gas in the first cavity 9 is similar
In spring, friction and damping action during due to Gas Vibration make part acoustic energy be converted into thermal energy consumption and dissipate, corresponding pressure wave
Dynamic to become more gentle, pneumatic noise decreases.
These first silencing cavities 7 can have different shapes, so that the structure arrangement of multiple first silencing cavities 7 can
With more rationally, the structure for efficiently using slide plate 3 is arranged the first silencing cavity 7.For example, in the present embodiment, first
The rectangular cross-section of first cavity 9 of the first silencing cavity 7, it is arc-shaped strip that the section of second the first cavity 9, which is both ends,
Shape, the section of the first cavity 9 of third is L-shaped.
Preferably, at least two noise reduction frequency in multiple first silencing cavities 7 is different；And/or multiple first silencing cavities
7 shape is different.Since when frequency of sound wave and resonator intrinsic frequency are close, Gas Vibration is more strong, and sound absorption is bright
It is aobvious, so silencing cavity has stronger frequency selectivity, multiple noise reduction cavity configurations can be set to eliminate the noise of multiple frequencies,
So as to optimize erasure effect.The different of the noise reduction frequency of multiple first silencing cavities 7 can be by changing each first silencing cavity 7
Structure and volume are realized.
Preferably, the thickness of the first silencing cavity 7 is less than or equal to the 1/4 of 3 thickness of slide plate, so that the first silencing cavity 7
Thickness in allowed band, the structural strength of slide plate 3 will not be affected greatly, can effectively ensure that the structure of slide plate 3
Intensity ensures the service life of slide plate 3.
With reference to shown in referring to Fig. 9 to Figure 17, it is preferable that the second silencing cavity 10, the second silencing cavity 10 are additionally provided on cylinder 1
It is connected with the first silencing cavity 7, and is isolated with air discharge duct 5.In the present embodiment, by setting the second noise reduction on cylinder 1
Chamber 10, and the second silencing cavity 10 is connected with the first silencing cavity 7, so that it may so that the entire week that the second silencing cavity 10 is rolled in roller 2
It is to be connected by the first silencing cavity 7 with discharge chamber always, itself is not connected with air discharge duct 5, therefore the second silencing cavity in phase
10 setting will not impact the clearance volume of compressor, would not also influence the working performance of compressor, therefore can be with
The volume of second silencing cavity 10 is rationally set as needed, so that after the first silencing cavity 7 and the second silencing cavity 10 are used cooperatively, it is right
Compressor has preferable sound-deadening and noise-reducing effect, while can ensure the working performance of compressor.In the present embodiment, first disappears
Sound chamber 7 can only include a gas passage, for the high pressure gas in discharge chamber to be delivered to the second silencing cavity 10 so that high
Press gaseous coolant major storage in the second silencing cavity 10, can thus cause the first silencing cavity 7 occupy slide plate 3 volume compared with
It is small, the structural strength of slide plate 3 is not interfered with, while can also ensure the easy of silencing cavity, guarantee pair by the second silencing cavity 10
The noise-reduction effect of discharge chamber high pressure residual air.
In the present embodiment, the second silencing cavity 10 includes the second importing 11 and second cavity 12 of access, and second imports access
11 are connected between the first silencing cavity 7 and the second cavity 12, so as to which high-pressure gaseous refrigerant be imported via the second importing access 11
Into the second cavity 12.
Preferably, the second importing access 11 is obliquely extended along the direction close to roller 2 relative to the first silencing cavity 7, is made
High-pressure gaseous refrigerant is obtained to enter after the first silencing cavity 7, when branching to the second importing access 11 from the first silencing cavity 7, air-flow
Flow direction change it is smaller, reduce the flow resistance of high-pressure gaseous refrigerant so that high-pressure gaseous refrigerant can be entered smoothly
In second silencing cavity 10.
Preferably, first silencing cavity 7 is arranged at the seamed edge of slide plate 3, and the second importing access 11 is connected to this
First silencing cavity 7.Second importing access 11 is located on the top of cylinder 1 or bottom end end face, so as to conveniently by the
High-pressure gaseous refrigerant is introduced into the second silencing cavity 10 by one silencing cavity 7.In the present embodiment, it is provided only with one on slide plate 3
First silencing cavity 7, first silencing cavity 7 are arranged at the seamed edge of close air discharge duct 5 of slide plate 3, section can be it is round or
It is rectangle etc., so as to which easily high-pressure gaseous refrigerant is introduced into the second silencing cavity 10.
Preferably, in a rotation period of roller 2, the first silencing cavity 7 connects always with the second silencing cavity 10, so as to
It can ensure the high-pressure gaseous refrigerant pressure in the first silencing cavity 7 and the high-pressure gaseous refrigerant pressure one in the second silencing cavity 10
It causes, refrigerant pressure in refrigerant pressure and the second silencing cavity 10 will not be caused in the first silencing cavity 7 due to disconnecting connection between the two
There is gas flow noise when the two being caused to connect, further improves the sound-deadening and noise-reducing effect of silencing cavity in difference.
In the pump assembly course of work in the present embodiment, before roller 2 closes air entry 6, first on slide plate 3
The first of silencing cavity 7 imports access 8 in sliding vane groove 4, does not extend into the compression chamber intracavitary of compressor, thus the first silencing cavity 7 with
Suction muffler does not connect, and the high pressure gas left in the first silencing cavity 7 in a upper swing circle will not be discharged into cylinder at this moment
In compression chamber, the refrigerant in compression chamber will not be caused to flow back from air entry 6.After roller 2 closes air entry 6, slide plate 3, which stretches out, to be slided
Film trap 4, when first imports access 8 with the stretching sliding vane groove 4 of slide plate 3, after connecting cylinder compression chamber, the gas at this time in compression chamber is cold
Pressure is low in the first silencing cavity of matchmaker's pressure ratio 7, and the refrigerant in the first silencing cavity 7 can flow out to cylinder compression chamber.First silencing cavity 7
In interior pressure and cylinder compression chamber during pressure balance, since cylinder compression cavity volume becomes smaller, refrigerant pressure increases in compression chamber,
Refrigerant pressure also increases in first silencing cavity 7, and the first silencing cavity 7 can play sound deadening at this time.
Compared with the silencing cavity of existing volume production, the characteristics of the application, is stayed in a upper cycle compression to the silencing cavity of high pressure
The high pressure refrigerant got off will not be discharged into air entry, flow back from air entry, cause compressor energy loss.
Embodiment according to the present utility model, compressor include pump assembly, and pump assembly is above-mentioned pump assembly.
For those skilled in the art it is easily understood that under the premise of not conflicting, above-mentioned each advantageous manner can be free
Ground combination, superposition.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
All any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.The above is only the preferred embodiment of the utility model, it is noted that for the art
For those of ordinary skill, under the premise of the utility model technical principle is not departed from, several improvement and modification can also be made,
These improvements and modifications also should be regarded as the scope of protection of the utility model.
Claims (13)
1. a kind of pump assembly, which is characterized in that including cylinder (1), roller (2) and slide plate (3), the roller (2) is rotatable
Ground is arranged in the cylinder (1), and sliding vane groove (4), air discharge duct (5) and air entry (6) are provided on the cylinder (1), described
Slide plate (3) is slidably arranged in the sliding vane groove (4), and one end of the slide plate (3) is connected to the periphery of the roller (2), institute
The side for stating slide plate (3) towards the air discharge duct (5) is provided with the first silencing cavity (7), in a rotation week of the roller (2)
In phase, first silencing cavity (7) is not attached to lead to the air entry (6).
2. pump assembly according to claim 1, which is characterized in that first silencing cavity (7) including be interconnected
First imports access (8) and the first cavity (9), and the first importing access (8) is arranged on first cavity (9) close to described
The side of roller (2).
3. pump assembly according to claim 2, which is characterized in that first silencing cavity (7) be one, described first
Silencing cavity (7) is arranged on the middle part of the slide plate (3), and first cavity (9) is along the short transverse of the slide plate (3) to two
Side extends, and the first importing access (8) is arranged on the middle part of first cavity (9).
4. pump assembly according to claim 3, which is characterized in that at least side of first cavity (9) is along highly
The slide plate (3) is run through in direction.
5. pump assembly according to claim 2, which is characterized in that first silencing cavity (7) is multiple described to be multiple
First silencing cavity (7) is mutually isolated.
6. pump assembly according to claim 5, which is characterized in that at least two in multiple first silencing cavities (7)
A noise reduction frequency is different；And/or the shape of the multiple first silencing cavity (7) is different.
7. pump assembly according to claim 1, which is characterized in that the thickness of first silencing cavity (7) is less than or waits
In the 1/4 of the slide plate (3) thickness.
8. pump assembly according to any one of claim 1 to 7, which is characterized in that be additionally provided on the cylinder (1)
Second silencing cavity (10), second silencing cavity (10) are connected with first silencing cavity (7), and with the air discharge duct (5)
It is isolated.
9. pump assembly according to claim 8, which is characterized in that second silencing cavity (10) imports logical including second
Road (11) and the second cavity (12), the second importing access (11) are connected to first silencing cavity (7) and second sky
Between chamber (12).
10. pump assembly according to claim 9, which is characterized in that described second imports access (11) along close to institute
The direction for stating roller (2) is obliquely extended relative to first silencing cavity (7).
11. pump assembly according to claim 9, which is characterized in that first silencing cavity (7) is arranged on described
At the seamed edge of slide plate (3), the second importing access (11) is connected to first silencing cavity (7).
12. pump assembly according to claim 8, which is characterized in that in a rotation period of the roller (2),
First silencing cavity (7) connects always with second silencing cavity (10).
13. a kind of air conditioner, including pump assembly, which is characterized in that the pump assembly is any one of claim 1 to 12
The pump assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721240724.9U CN207500120U (en) | 2017-09-26 | 2017-09-26 | Pump body subassembly and compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721240724.9U CN207500120U (en) | 2017-09-26 | 2017-09-26 | Pump body subassembly and compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207500120U true CN207500120U (en) | 2018-06-15 |
Family
ID=62499251
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721240724.9U Active CN207500120U (en) | 2017-09-26 | 2017-09-26 | Pump body subassembly and compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207500120U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107605729A (en) * | 2017-09-26 | 2018-01-19 | 珠海凌达压缩机有限公司 | Pump body subassembly and compressor |
-
2017
- 2017-09-26 CN CN201721240724.9U patent/CN207500120U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107605729A (en) * | 2017-09-26 | 2018-01-19 | 珠海凌达压缩机有限公司 | Pump body subassembly and compressor |
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