CN109026718A - Pump body structure and compressor - Google Patents
Pump body structure and compressor Download PDFInfo
- Publication number
- CN109026718A CN109026718A CN201811088914.2A CN201811088914A CN109026718A CN 109026718 A CN109026718 A CN 109026718A CN 201811088914 A CN201811088914 A CN 201811088914A CN 109026718 A CN109026718 A CN 109026718A
- Authority
- CN
- China
- Prior art keywords
- magnetic stripe
- gas vent
- pump body
- magnetic
- valve block
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
- 238000009434 installation Methods 0.000 claims description 3
- 230000003993 interaction Effects 0.000 claims description 3
- 230000006835 compression Effects 0.000 abstract description 2
- 238000007906 compression Methods 0.000 abstract description 2
- 238000005096 rolling process Methods 0.000 abstract description 2
- 238000006073 displacement reaction Methods 0.000 abstract 1
- 238000005057 refrigeration Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 5
- 230000033001 locomotion Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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
- F04C29/12—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet
- F04C29/124—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet with inlet and outlet valves specially adapted for rotary or oscillating piston pumps
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
Abstract
The invention discloses a pump body structure and a compressor, wherein the pump body structure comprises: the device comprises a working cavity with an exhaust hole, a roller rolling in the working cavity and a valve plate arranged outside the working cavity. The valve plate is provided with a magnetic sheet in the area covering the exhaust hole, the roller is provided with a magnetic strip group on the end face close to the exhaust hole, and the magnetic strip group comprises a first magnetic strip with the same polarity as the magnetic sheet and/or a second magnetic strip with the opposite polarity to the magnetic sheet. When the first magnetic stripe rotates to repel the magnetic sheet through the exhaust hole, the valve plate opens the exhaust hole; when the second magnetic stripe rotates to attract the magnetic sheet through the exhaust hole, the valve plate closes the exhaust hole. The invention can improve the switching speed of the valve plate, optimize the compression capacity and the air displacement and improve the refrigeration capacity of the compressor.
Description
Technical field
The present invention relates to Compressor Technology field more particularly to a kind of pump body structures and compressor.
Background technique
As shown in Figure 1, 2, in existing rotary compressor operation, gas vent 11 is carried out by the open and close of valve block 3
Exhaust, and the open and close of valve block 3 are realized according to 1 internal and external pressure difference of working chamber, it is this to be switched by pressure difference control valve block 3
The mode speed that has the following deficiencies: that 1, valve block 3 opens or closes it is uncontrollable, when 1 internal and external pressure difference of working chamber is smaller, valve
3 closing velocity of piece will lead to slowly excessively in the outer high pressure gas reflux working chamber 1 of chamber, influence the capacity of compressor, and then reduce pressure
The refrigerating capacity of contracting machine；2, the angle that valve block 3 opens or closes is uncontrollable, and unlatching then can make the compressed gas scale of construction too small too early, together
Sample can reduce the refrigerating capacity of compressor.
Therefore, how designing a kind of raising valve block and opening or closing the pump body structure of speed is industry technology urgently to be resolved
Problem.
Summary of the invention
In order to solve to exist in the prior art the slow defect of valve block switching speed, the present invention proposes a kind of pump body structure and pressure
Contracting machine.
The technical solution adopted by the present invention is that designing a kind of pump body structure, comprising: the working chamber with gas vent is working
The roller of intracavitary rolling, the valve block being mounted on outside working chamber.The region that gas vent is covered on valve block is equipped with magnetic sheet, leans on roller
The end face of nearly gas vent is equipped with magnetic stripe group, magnetic stripe group include with magnetic sheet polarity identical first magnetic stripe and/or with magnetic sheet polarity phase
The second anti-magnetic stripe.First magnetic stripe turns to when being repelled each other by gas vent and magnetic sheet, and valve block opens gas vent；The rotation of second magnetic stripe
To when passing through gas vent and attracting magnetic sheet, valve block closes gas vent.
Wherein, pump body structure further include: across the crankshaft of working chamber, roller is fixedly connected with crankshaft, and crankshaft is equipped with solid
The eccentric wheel being scheduled in roller.
In one embodiment, roller is fixed together with the eccentric wheel by pin.
Preferably, magnetic stripe group includes the first magnetic stripe and the second magnetic stripe, and the first magnetic stripe and the second magnetic stripe are spliced into circular magnetic loop,
There is the control unit by gas vent and magnetic sheet interaction always during rotation in circular magnetic loop.
The discharge chamber being connected to gas vent is equipped in working chamber, when the gas pressure in discharge chamber is greater than outside working chamber
When pressure, control unit is always positioned on the first magnetic stripe；When the gas pressure in discharge chamber is identical as the pressure outside working chamber,
Control unit is located exactly at the junction of the first magnetic stripe and the second magnetic stripe；When the gas pressure in discharge chamber is less than outside working chamber
When pressure, control unit is always positioned on the second magnetic stripe.
Preferably, one end of valve block is to be fixed on the activity that installation end, the other end outside working chamber are covering gas vent
End.
Preferably, the outside of working chamber is also equipped with the baffle of limitation valve block deflection, and the movable end of valve block can be towards separate
The direction of gas vent is moved to be bonded with baffle.
Preferably, it is equipped with mounting groove close to the end face of gas vent on roller, magnetic stripe group is fixed in mounting groove.
Preferably, the region that gas vent is covered on valve block is equipped with mounting hole, and magnetic sheet is fixed in mounting hole.
Preferably, a circle protrusion is equipped with close to one end of valve block on gas vent.
Preferably, protrusion around the recessed portion of gas vent setting by surrounding.
The invention also provides a kind of compressors, including above-mentioned pump body structure.
Wherein, compressor further include: the flange of cylinder body and the setting of fitting cylinder body end face is equipped with work between cylinder body and flange
Chamber, gas vent are arranged on flange, and valve block is mounted on flange.
Compared with prior art, the present invention on valve block by being arranged magnetic sheet, being arranged in roller close to the end face of gas vent
First magnetic stripe and the second magnetic stripe are repelled each other using the first magnetic stripe and magnetic sheet and improve valve block opening speed, utilize the second magnetic stripe and magnetic sheet
Attracting raising valve block closing velocity, adjusts the position of the first magnetic stripe and the second magnetic stripe, then exhaust may make to open and close
The angle closed is controllable, to reach capacity optimized design.
Detailed description of the invention
Below with reference to embodiment and attached drawing, the present invention is described in detail, in which:
Fig. 1 is the schematic diagram of internal structure of working chamber in the prior art；
Fig. 2 is the schematic diagram that prior art middle valve plate is closed；
Fig. 3 is the schematic diagram of internal structure of working chamber in the present invention；
Fig. 4 is the schematic diagram that middle valve plate of the present invention is closed；
Fig. 5 is the schematic diagram that middle valve plate of the present invention is opened.
Specific embodiment
As shown in Fig. 3 to 5, pump body structure proposed by the present invention, comprising: working chamber 1, roller 2 and valve block 3, working chamber 1 are
The end face of cylindrical cavity, working chamber 1 is equipped with gas vent 11, and valve block 3 is mounted on outside working chamber 1, for controlling gas vent 11
On off operating mode, the region that gas vent 11 is covered on valve block 3 is equipped with mounting hole, is fixed with magnetic sheet 31 in mounting hole.Roller 2 is located at
In working chamber 1, the shape of roller 2 is annular shape, and the periphery of roller 2 is rolled along the cavity wall of working chamber 1, close to row on roller 2
The end face of stomata 11 is equipped with magnetic stripe group, and the end face of close gas vent 11 is equipped with mounting groove on roller 2, and magnetic stripe group is fixed on mounting groove
Interior, the magnetic stripe in magnetic stripe group is without departing from the end face where mounting groove.Magnetic stripe group includes the first magnetic stripe identical with 31 polarity of magnetic sheet
21 and/or with opposite polarity second magnetic stripe 22 of magnetic sheet 31, when the first magnetic stripe 21 is turned to through gas vent 11 and 31 phase of magnetic sheet
When reprimand, valve block 3 opens gas vent, is repelled each other using the first magnetic stripe 21 with magnetic sheet 31 and improves 3 opening speed of valve block；Second 22 turns of magnetic stripe
When moving attracting by gas vent 11 and magnetic sheet 31, valve block 3 closes gas vent 11, using the second magnetic stripe 22 with magnetic sheet 31 is attracting mentions
High 3 opening speed of valve block.
In a preferred embodiment, it is covering row that one end of valve block 3, which is installation end, the other end being fixed on outside working chamber 1,
The movable end of valve block 3 is arranged in the movable end of stomata 11, magnetic sheet 31, when magnetic sheet 31 and the first magnetic stripe 21 repel each other, the work of valve block 3
To the direction motion deformation far from gas vent 11, entire valve block 3 is arc-shaped from fixing end to movable end for moved end.In order to limit valve block
3 deflection, the outside of working chamber 1 are also equipped with baffle 4, and the movable end of valve block 3 can be moved towards the direction far from gas vent 11
Extremely it is bonded with baffle 4.Further, it is equipped with a circle protrusion close to one end of valve block 3 on gas vent 11, protrusion is by around row
The recessed portion that stomata 11 is arranged surrounds, and when gas vent 11 is closed, valve block 3 is covered on protrusion, better tightness.
Wherein, pump body structure further includes the crankshaft across working chamber 1, and crankshaft is equipped with the eccentric wheel being located in roller 2, by
There are relative motions between roller 2 and eccentric wheel when eccentric wheel and 2 clearance fit of roller, crank rotation, in order to improve magnetic stripe
The accuracy that group is positioned with gas vent 11, roller 2 are fixed together with crankshaft, and the motion profile of magnetic stripe group is fixed at this time,
The position for adjusting the first magnetic stripe 21 and the second magnetic stripe 22 can design the open position point and closed position point of gas vent 11.?
In preferred embodiment, roller 2 and eccentric wheel are fixed together by pin, other fixed forms can also be used in practical application.
As shown in Fig. 3 to 5, in a preferred embodiment, magnetic stripe group includes the first magnetic stripe 21 and the second magnetic stripe 22, the first magnetic stripe
21 and second magnetic stripe 22 be spliced into circular magnetic loop, circular magnetic loop exists always through gas vent 11 and magnetic sheet 31 during rotation
The control unit of interaction is equipped with the discharge chamber being connected to gas vent 11 in working chamber 1.When roller 2 goes to the compressed gas scale of construction most
When big, gas pressure in discharge chamber is greater than the pressure outside working chamber 1, and controlling position is on the first magnetic stripe 21, gas vent 11
Open exhaust；When compressor is sufficiently vented, the gas pressure in discharge chamber is equal to 1 external pressure of working chamber, and control unit is just
Positioned at the junction of the first magnetic stripe 21 and the second magnetic stripe 22, gas vent 11 is switched from opening to closing；Continue to turn with roller 2
Dynamic, the gas pressure in discharge chamber is less than the pressure outside working chamber 1, and controlling position is on the second magnetic stripe 22, at gas vent 11
In the state of closing, increase gas compression amount and capacity to the greatest extent, so that compressor capacity gets a promotion.According to magnetic sheet
Repel each other with magnetic stripe or attracting principle, adjusts the position of the first magnetic stripe 21 and the second magnetic stripe 22 on roller 2, then may make
The angle for being vented opening and closing is controllable, and to reach capacity optimized design, compressor single machine refrigerating capacity gets a promotion, into
And realize the purpose for proposing effect.
The invention also provides a kind of compressors, comprising: cylinder body 5, flange 6 and above-mentioned pump body structure, flange 6 are bonded cylinder body
5 end face setting, is equipped with working chamber 1 between cylinder body 5 and flange 6, gas vent 11 is arranged on flange 6, far from work on flange 6
The end face of chamber 1 is fixedly installed with baffle 4 and valve block 3, and the fixing end of valve block 3 is clamped between baffle 4 and flange 6, leans on roller 2
The end face of nearly gas vent 11 is fitted on flange 6.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (14)
1. a kind of pump body structure, comprising: the working chamber (1) with gas vent (11), the roller rolled in the working chamber (1)
(2), it is mounted on the external valve block (3) of the working chamber (1)；
It is characterized in that, the region that the gas vent (11) is covered on the valve block (3) is equipped with magnetic sheet (31), the roller (2)
The upper end face close to the gas vent (11) is equipped with magnetic stripe group, and the magnetic stripe group includes identical with the magnetic sheet (31) polarity the
One magnetic stripe (21) and/or with opposite polarity second magnetic stripe (22) of the magnetic sheet (31)；
First magnetic stripe (21) turns to when being repelled each other by gas vent (11) and magnetic sheet (31), described in the valve block (3) is opened
Gas vent (11)；When second magnetic stripe (22) turns to attracting by gas vent (11) and magnetic sheet (31), the valve block (3) is closed
Close the gas vent (11).
2. pump body structure as described in claim 1, which is characterized in that further include: the crankshaft of the working chamber (1) is passed through, it is described
Roller (2) is fixedly connected with the crankshaft.
3. pump body structure as claimed in claim 2, which is characterized in that the crankshaft, which is equipped with, to be fixed in the roller (2)
Eccentric wheel.
4. pump body structure as claimed in claim 3, which is characterized in that the roller (2) is fixed with the eccentric wheel by pin
Together.
5. such as the described in any item pump body structures of claim 2 to 4, which is characterized in that the magnetic stripe group includes the first magnetic stripe
(21) and the second magnetic stripe (22), first magnetic stripe (21) and the second magnetic stripe (22) are spliced into circular magnetic loop, the circular magnetic loop
There is the control unit by the gas vent (11) and magnetic sheet (31) interaction always during rotation.
6. pump body structure as claimed in claim 5, which is characterized in that be equipped with and the gas vent in the working chamber (1)
(11) discharge chamber being connected to；
When the gas pressure in the discharge chamber is greater than the working chamber (1) external pressure, the control unit is always positioned at
On first magnetic stripe (21)；
When the gas pressure in the discharge chamber is identical as the external pressure of the working chamber (1), the lucky position of control unit
In the junction of first magnetic stripe (21) and the second magnetic stripe (22)；
When the gas pressure in the discharge chamber is less than the working chamber (1) external pressure, the control unit is always positioned at
On second magnetic stripe (22).
7. pump body structure as described in claim 1, which is characterized in that one end of the valve block (3) is to be fixed on the work
The external installation end of chamber (1), the other end are the movable end for covering the gas vent (11).
8. pump body structure as claimed in claim 7, which is characterized in that the outside of the working chamber (1) is also equipped with limitation institute
The baffle (4) of valve block (3) deflection is stated, the movable end of the valve block (3) can be moved towards the direction far from the gas vent (11)
Extremely it is bonded with the baffle (4).
9. pump body structure as described in claim 1, which is characterized in that close to the gas vent (11) on the roller (2)
End face is equipped with mounting groove, and the magnetic stripe group is fixed in the mounting groove.
10. pump body structure as described in claim 1, which is characterized in that cover the gas vent (11) on the valve block (3)
Region is equipped with mounting hole, and the magnetic sheet (31) is fixed in mounting hole.
11. pump body structure as described in claim 1, which is characterized in that close to the valve block (3) on the gas vent (11)
One end is equipped with a circle protrusion.
12. pump body structure as claimed in claim 11, which is characterized in that the protrusion around the gas vent (11) by setting
The recessed portion set surrounds.
13. a kind of compressor characterized by comprising such as the described in any item pump body structures of claim 1 to 12.
14. compressor as claimed in claim 13, which is characterized in that further include: cylinder body (5) and fitting cylinder body (5) end
The flange (6) of face setting, is equipped with the working chamber (1) between the cylinder body (5) and flange (6), gas vent (11) setting
On the flange (6), the valve block (3) is mounted on the flange (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811088914.2A CN109026718A (en) | 2018-09-18 | 2018-09-18 | Pump body structure and compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811088914.2A CN109026718A (en) | 2018-09-18 | 2018-09-18 | Pump body structure and compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109026718A true CN109026718A (en) | 2018-12-18 |
Family
ID=64616751
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811088914.2A Withdrawn CN109026718A (en) | 2018-09-18 | 2018-09-18 | Pump body structure and compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109026718A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2344757Y (en) * | 1998-04-08 | 1999-10-20 | 重庆先锋电子有限公司 | Intelligence water meter using contact memory card |
| JP2004360542A (en) * | 2003-06-04 | 2004-12-24 | Calsonic Compressor Inc | Gas compressor |
| CN1629528A (en) * | 2003-12-19 | 2005-06-22 | 株式会社三协精机制作所 | Valve device |
| CN201636012U (en) * | 2010-02-10 | 2010-11-17 | 广东美芝制冷设备有限公司 | Exhaust structure of rotary compressor |
| CN108266556A (en) * | 2016-12-30 | 2018-07-10 | 福州品行科技发展有限公司 | A kind of magnetic force pushes away suction switch connector |
| CN208816341U (en) * | 2018-09-18 | 2019-05-03 | 珠海凌达压缩机有限公司 | Pump body structure and compressor |
-
2018
- 2018-09-18 CN CN201811088914.2A patent/CN109026718A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2344757Y (en) * | 1998-04-08 | 1999-10-20 | 重庆先锋电子有限公司 | Intelligence water meter using contact memory card |
| JP2004360542A (en) * | 2003-06-04 | 2004-12-24 | Calsonic Compressor Inc | Gas compressor |
| CN1629528A (en) * | 2003-12-19 | 2005-06-22 | 株式会社三协精机制作所 | Valve device |
| CN201636012U (en) * | 2010-02-10 | 2010-11-17 | 广东美芝制冷设备有限公司 | Exhaust structure of rotary compressor |
| CN108266556A (en) * | 2016-12-30 | 2018-07-10 | 福州品行科技发展有限公司 | A kind of magnetic force pushes away suction switch connector |
| CN208816341U (en) * | 2018-09-18 | 2019-05-03 | 珠海凌达压缩机有限公司 | Pump body structure and compressor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20181218 |
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| WW01 | Invention patent application withdrawn after publication |