CN203430786U - Scroll compressor and compressor assembly thereof - Google Patents
Scroll compressor and compressor assembly thereof Download PDFInfo
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- CN203430786U CN203430786U CN201320478313.9U CN201320478313U CN203430786U CN 203430786 U CN203430786 U CN 203430786U CN 201320478313 U CN201320478313 U CN 201320478313U CN 203430786 U CN203430786 U CN 203430786U
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- compression assembly
- ball float
- exhaust port
- pedestal
- scroll compressor
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Abstract
The utility model discloses a compressor assembly of a scroll compressor. The compressor assembly comprises a stationary scroll plate (17), a high-low pressure clapboard (19) with a gas vent, and a reverse rotation preventing mechanism arranged on the high-low pressure clapboard (19), wherein the reverse rotation preventing mechanism comprises a base (31) and a floating ball (32); the base covers the gas vent; the diameter of the floating ball is larger than the pore diameter of the gas vent; the base (31) is provided with a gas vent and is internally provided with a floating ball containing cavity; the floating ball (32) is arranged in the floating ball containing cavity. The compressor assembly provided by the utility model adopts the reverse rotation preventing mechanism to prevent the reverse rotation of the dynamic scroll plate in the scroll compressor and then relieve damages caused by the reverse rotation of the dynamic scroll plate to parts in the scroll compressor.
Description
Technical field
The utility model relates to compression device technical field, relates in particular to a kind of compression assembly of scroll compressor.The utility model also relates to a kind of scroll compressor with above-mentioned compression assembly.
Background technique
Scroll compressor because its volume is little, quality is light, operate steadily etc., and advantage is widely used in the equipment such as air-conditioning and heat pump, along with improving constantly of economic development and quality of life, people are also more and more higher for the performance requirement of scroll compressor.
Above-mentioned scroll compressor mainly comprises shell, be arranged at the compression assembly in shell and be arranged at the outlet pipe on shell, this compression assembly comprises orbiter, fixed scroll, bent axle and high low pressure dividing plate etc., bent axle drives orbiter around the center rotating of fixed scroll, between orbiter and fixed scroll, will form compression volume, the volume of this compression volume constantly dwindles, and then realize the compression of medium, medium after compression enters the exhaust cavity of high low pressure dividing plate one side by the exhaust port on high low pressure dividing plate, and then discharge this scroll compressor by outlet pipe.
Above-mentioned high low pressure dividing plate separates the air aspiration cavity of scroll compressor and exhaust cavity, and to guarantee the compression of medium, the exhaust port on high low pressure dividing plate communicates with the middle part of orbiter and fixed scroll, and this exhaust port directly communicates with hyperbaric chamber.In compression process; orbiter is only along a direction rotation; in the moment of scroll compressor shutdown or power-off suddenly; the pressure of exhaust cavity is greater than the pressure of air aspiration cavity; pressurized gas in exhaust cavity are flow backwards; cause orbiter reversion, cause the component in scroll compressor to be easily damaged, the serious consequence that causes scroll compressor to work.
In sum, how to solve the problem that in scroll compressor, component are easily damaged, become those skilled in the art's technical barrier urgently to be resolved hurrily.
Model utility content
The purpose of this utility model is to provide a kind of compression assembly of scroll compressor, and this compression assembly can be alleviated the problem that in scroll compressor, component are easily damaged.Another object of the present utility model is to provide a kind of scroll compressor with above-mentioned compression assembly.
To achieve these goals, the utility model provides following technological scheme:
A kind of compression assembly of scroll compressor, the high low pressure dividing plate that comprises fixed scroll and there is exhaust port, also comprise the anti-reverse mechanism being arranged on described high low pressure dividing plate, described anti-reverse mechanism comprises and covers at the pedestal at described exhaust port place and the ball float in the aperture that diameter is greater than described exhaust port, on described pedestal, there is relief opening, and its inside has ball float holding cavity, described ball float is positioned at described ball float holding cavity.
Preferably, in above-mentioned compression assembly, described anti-reverse mechanism also comprises the shock absorber being installed in described pedestal, and described shock absorber is positioned at the unsteady stroke of described ball float.
Preferably, in above-mentioned compression assembly, described shock absorber and described exhaust port are oppositely arranged.
Preferably, in above-mentioned compression assembly, described shock absorber is spring, has spring end mounting hole on described pedestal.
Preferably, in above-mentioned compression assembly, the internal surface of described pedestal, and there is buffer layer at least one in the outer surface of described ball float.
Preferably, in above-mentioned compression assembly, described ball float is hollow spheres.
Preferably, in above-mentioned compression assembly, described relief opening is opened in the side of described pedestal.
Preferably, in above-mentioned compression assembly, described relief opening is two or more, a plurality of described relief openings being circumferentially uniformly distributed along described exhaust port.
Preferably, in above-mentioned compression assembly, on described exhaust port, the edge relative with described ball float has circumferential anti-scratch inclined-plane.
, comprising shell and be installed on the compression assembly in described shell, described compression assembly is the compression assembly described in above-mentioned any one.
In technique scheme, the compression assembly that the utility model provides comprises high low pressure dividing plate and is arranged at the anti-reverse mechanism on high low pressure dividing plate, this anti-reverse mechanism comprises pedestal and ball float, base cover is located at exhaust port place, on it, there is relief opening, and its inside has ball float holding cavity, ball float is positioned at this ball float holding cavity, and the diameter of ball float is greater than the aperture of the exhaust port on high low pressure dividing plate.In scroll compressor when work,, medium is in the laggard exhaust port entering on high low pressure dividing plate of overcompression, and ball float will float under the thrust of medium in ball float holding cavity, and exhaust port is opened, so that medium enters exhaust cavity by the relief opening on pedestal; When scroll compressor shutdown or power-off suddenly; high-pressure medium flows backwards; now ball float is subject to the deboost of medium; and the exhaust port place of falling paramount low voltage partition plate after rise; cover exhaust port; make medium cannot enter from this exhaust port the air aspiration cavity of scroll compressor, and then prevent the orbiter reversion in scroll compressor.
Known by foregoing description, than the content of introducing in background technique, the compression assembly that the utility model provides adopts anti-reverse mechanism to prevent the orbiter reversion in scroll compressor, and then alleviates the situation that in the scroll compressor causing because of orbiter reversion, component are damaged.
Because above-mentioned compression assembly has above-mentioned technique effect, the scroll compressor with this compression assembly also should have corresponding technique effect.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technological scheme of the prior art, to the accompanying drawing of required use in the utility model embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The structural representation of the compression assembly that Fig. 1 provides for the utility model embodiment;
Fig. 2 is the structure for amplifying schematic diagram of anti-reverse mechanism shown in A part in Fig. 1;
The structural representation of the another kind of anti-reverse mechanism that Fig. 3 provides for the utility model embodiment;
Fig. 4 is the plan view of Fig. 3;
Fig. 5 is the worm's eye view of Fig. 4;
Fig. 6 is the side view of Fig. 5;
The structural representation of another anti-reverse mechanism that Fig. 7 provides for the utility model embodiment;
Fig. 8 is a kind of sectional structure chart of Fig. 7;
Fig. 9 is the another kind of sectional structure chart of Fig. 7.
In upper Fig. 1-9:
Embodiment
Core of the present utility model is to provide a kind of compression assembly of scroll compressor, and this compression assembly can be alleviated the problem that in scroll compressor, component are easily damaged.Another core of the present utility model is to provide a kind of scroll compressor with above-mentioned compression assembly.
In order to make those skilled in the art understand better the technological scheme that the utility model provides, below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
As shown in Fig. 1-9, the compression assembly of the scroll compressor that the utility model embodiment provides comprises support 13, bent axle 14, orbiter 15, slip ring 16, fixed scroll 17, sealing cover 18 and high low pressure dividing plate 19; Support 13, for bent axle 14, orbiter 15 and fixed scroll 17 being mounted to the shell of scroll compressor, is specifically mounted on housing 12, and support 13 can be welded on housing 12; Bent axle 14 can drive orbiter 15 around the center rotating of fixed scroll 17; Slip ring 16 is connected between support 13 and orbiter 15, its rotation when preventing orbiter 15 operation; Fixed scroll 17 is connected with support 13 by guide finger; On orbiter 15 and fixed scroll 17, all there is vortex body, the structure of this vortex body is spirality, relative fixed scroll 17 bias of orbiter 15 also differ 180 degree installations, both line contacts vertically in theory, the top of one of them vortex body and the bottom connection of another vortex body touch, so form a series of crescent-shaped spaces between orbiter 15 and fixed scroll 17; Sealing cover 18 is for realizing the sealing of orbiter 15 and fixed scroll 17 formed crescent-shaped spaces; High low pressure dividing plate 19 is installed on the top of sealing cover 18, and it to guarantee the compression of medium, offers exhaust port on this high low pressure dividing plate 19 for the exhaust cavity of scroll compressor and air aspiration cavity are separated, and this exhaust port is generally circular hole.
Key improvements part of the present utility model is, above-mentioned compression assembly also comprises anti-reverse mechanism, and this anti-reverse mechanism is arranged on high low pressure dividing plate 19, and it comprises pedestal 31 and ball float 32.Pedestal 31 covers at the exhaust port place of high low pressure dividing plate 19, it can be fixedly installed on high low pressure dividing plate 19, also can be fixedly installed on fixed scroll 17, on this pedestal 31, there is relief opening, and its inside has ball float holding cavity, relief opening communicates with ball float holding cavity, and the exhaust space of pedestal 31 is greater than the area of relief opening; Ball float 32 can be circular solids ball, it is positioned at above-mentioned ball float holding cavity, and its diameter is greater than the aperture of exhaust port, is greater than the size of relief opening simultaneously, to prevent ball float 32 emersion ball float holding cavities, this ball float 32 can float under the thrust of high-pressure medium in ball float containing space.
Particularly, above-mentioned relief opening can be opened in the top of pedestal 31, and the quantity of this relief opening, shape and size etc. are determined according to the actual requirements; The inwall of pedestal 31 can and the outer surface of ball float 32 between keep less gap, to be the unsteady guiding that provides of ball float 32; When relief opening is round mouth, the diameter of ball float 32 is about 1.3-1.5 times of diameter of outlet, and in addition, the weight of ball float 32 is as far as possible smaller, to guarantee that high-pressure medium can promote this ball float 32, ball float 32 is floated.
The working procedure of scroll compressor is as follows: first, bent axle 14 drives orbiter 15 to rotate, at orbiter 15, take fixed scroll 17 center while doing the revolution translation without rotation as rotating center and with certain turning radius, the crescent-shaped space that orbiter 15 and fixed scroll 17 form is from moving outside to inside; Meanwhile, medium is pushed to fixed scroll 17 center gradually, and its volume constantly dwindles and pressure constantly raises; When medium motion is to the exhaust port place on fixed scroll 17, this part medium will further be discharged by the exhaust port on high low pressure dividing plate 19, now, ball float 32 will float along pedestal 31 under the thrust of medium, exhaust port on high low pressure dividing plate 19 is opened, so that medium enters exhaust cavity by the relief opening on pedestal 31, further by the outlet pipe 20 on the upper cover 11 of shell, discharge this scroll compressor; When scroll compressor shutdown or power-off suddenly; high-pressure medium flows backwards; now ball float 32 is subject to the deboost of medium; and fall the exhaust port place on paramount low voltage partition plate 19 after rise; block this exhaust port; make medium cannot enter from this exhaust port the air aspiration cavity of scroll compressor, and then prevent orbiter 15 reversions in scroll compressor.
Known by foregoing description, than the content of introducing in background technique, the compression assembly that the utility model embodiment provides adopts anti-reverse mechanism to prevent orbiter 15 reversions in scroll compressor, and then alleviate the situation that in the scroll compressor causing because of orbiter 15 reversions, component are damaged, guarantee that scroll compressor can work.
In addition, above-mentioned ball float 32 is spheroid, no matter high-pressure medium apply with ball float 32 on power how to change, the phenomenon of also can not toppling when it is unsteady, unimpededly discharges thereby be conducive to high-pressure medium.
While floating in ball float holding cavity in view of ball float 32, will bump with pedestal 31, and both collisions not only produce larger noise, also can cause wearing and tearing to both.In order to address this problem, the anti-reverse mechanism that the utility model embodiment provides also comprises shock absorber 33, and this shock absorber 33 is installed in pedestal 31, and it is positioned at the unsteady stroke of ball float 32.After so arranging, when ball float 32 floats, it will contact with shock absorber 33, this shock absorber 33 can effectively absorb the thrust that ball float 32 is subject to, slow down ball float 32 and continue unsteady trend, and then reduce the noise producing when compression assembly is worked, alleviate the wearing and tearing between ball float 32 and pedestal 31 simultaneously.
In specific implementation process, above-mentioned shock absorber 33 can be arranged at any position in pedestal 31, as long as it can apply cushion effect to ball float 32.Yet the thrust that high-pressure medium puts on ball float 32 mainly distributes along the bearing of trend of exhaust port, therefore, after ball float 32 is stressed, the bearing of trend along exhaust port is floated.For this reason, shock absorber 33 and exhaust port that the utility model embodiment provides are oppositely arranged, and ball float 32 will be subject to more reliable cushion effect while floating, and then optimize the shock-absorbing capacity of shock absorber 33.
Above-mentioned shock absorber 33 can be the tubular elements of being made by elastic material, also can be spring, in order further to optimize the shock-absorbing capacity of shock absorber 33, the preferred spring of the utility model embodiment is as shock absorber 33, this spring extends along the bearing of trend of exhaust port, and its one end can be directly welded on pedestal 31.More preferably, can be optimized the material of above-mentioned spring, make it have good fatigue resistance, can meet long-term reliably working in the environment of high temperature, corrosion.On this basis, spring end mounting hole 34 can be set on pedestal 31, this spring end mounting hole 34 is inserted in one end of spring, complete the installation of spring, operation more for convenience.
In another embodiment, for providing buffer function, also can realize by following structure ball float 32: the internal surface of pedestal 31, and there is buffer layer at least one in the outer surface of ball float 32.This buffer layer is generally rubber layer, and this rubber layer is fixed on pedestal 31 or ball float 32 by fastening piece.In addition, also can, by the whole elastic component that is set to of ball float 32, to reduce it, contact rear noise and the wearing and tearing that produce with pedestal 31.
Further in technological scheme, the ball float 32 that the utility model embodiment provides can be hollow spheres, after so arranging, the processing cost of ball float 32 will decline to a great extent, the unsteady requirement of ball float 32 simultaneously also more easily reaches, the relative solid sphere of its weight is less, and the collision while floating and wearing and tearing are eased thereupon.
For the ease of high-pressure medium, enter fast exhaust cavity, the utility model embodiment is arranged at relief opening the side of pedestal 31, the distance of this lateral distance high low pressure dividing plate 19 is nearer, when high-pressure medium is after exhaust port flows out, the existence of ball float 32 will change the flow direction of high-pressure medium, make high-pressure medium flow to the side of pedestal 31, so just can by relief opening, enter exhaust cavity rapidly.
Further, in technological scheme, above-mentioned relief opening is two or more, and a plurality of relief openings are circumferentially uniformly distributed along exhaust port.Along with the increase of the quantity of relief opening, the leaving area of pedestal 31 will increase, and more be of value to high-pressure medium and enter exhaust cavity; And a plurality of relief openings are uniformly distributed and make flowing of high-pressure medium more stable.
Because ball float 32 will frequently contact with exhaust port in the overshoot of floating, edge for fear of exhaust port causes scuffing to ball float 32, on the exhaust port that the utility model embodiment provides, the edge relative with ball float 32 has circumferential anti-slideway, this circumferential anti-slideway has effectively reduced the sharpness of exhaust port edge, thereby achieves the above object.Particularly, the large I of above-mentioned circumferential anti-slideway is definite according to actual conditions, and the utility model is preferably 0.5mm-2mm.Certainly, on also can exhaust port, the edge relative with ball float 32 be set to circumferential anti-skidding cambered surface.
In preferred technological scheme, in above-mentioned each scheme, pedestal 31 can fix by bolt and high low pressure dividing plate 19 or fixed scroll 17, correspondingly, on pedestal 31, be provided with bolt mounting holes 35, the quantity of this bolt mounting holes 35 is preferably more than three or three, and these bolt mounting holes 35 can being circumferentially uniformly distributed along exhaust port.In addition, the length of thread engagement (LE) of above-mentioned bolt and high low pressure dividing plate 19 and fixed scroll 17 is preferably more than or equals 6mm, and screw thread is preferably fine thread.The shape of the pedestal 31 in above-mentioned anti-reverse mechanism can arrange flexibly, and as Figure 4-Figure 6, pedestal 31 can be formed by three side plates, on three side plates, relief opening can be all set; As Figure 7-9, pedestal 31 also can be roughly rectangular configuration, can in the two opposite side surfaces of pedestal 31, relief opening be set.It should be noted that, arranging of the relief opening on pedestal 31 and bolt mounting holes 35 needs mutually to coordinate, and exhaust effect produced to harmful effect after avoiding both to interfere.
The scroll compressor that the utility model embodiment provides comprises shell and is installed on the compression assembly in this shell, and this compression assembly is the described compression assembly of above-mentioned arbitrary scheme.Because above-mentioned compression assembly has above-mentioned technique effect, the scroll compressor with this compression assembly also should have corresponding technique effect, repeats no more herein.
Above compression assembly and the scroll compressor of scroll compressor provided by the utility model are described in detail.Applied specific case herein principle of the present utility model and mode of execution are set forth, above embodiment's explanation is just for helping to understand method of the present utility model and core concept thereof.Should be understood that; for those skilled in the art; do not departing under the prerequisite of the utility model principle, can also carry out some improvement and modification to the utility model, these improvement and modification also fall in the protection domain of the utility model claim.
Claims (10)
1. the compression assembly of a scroll compressor, the high low pressure dividing plate (19) that comprises fixed scroll (17) and there is exhaust port, it is characterized in that, also comprise the anti-reverse mechanism being arranged on described high low pressure dividing plate (19), described anti-reverse mechanism comprises and covers at the pedestal (31) at described exhaust port place and the ball float (32) that diameter is greater than the aperture of described exhaust port, described pedestal has relief opening on (31), and its inside has ball float holding cavity, described ball float (32) is positioned at described ball float holding cavity.
2. compression assembly according to claim 1, is characterized in that, described anti-reverse mechanism also comprises the shock absorber (33) being installed in described pedestal (31), and described shock absorber (33) is positioned at the unsteady stroke of described ball float (32).
3. compression assembly according to claim 2, is characterized in that, described shock absorber (33) is oppositely arranged with described exhaust port.
4. compression assembly according to claim 2, is characterized in that, described shock absorber (33) is spring, has spring end mounting hole (34) on described pedestal (31).
5. compression assembly according to claim 1, is characterized in that, the internal surface of described pedestal (31), and there is buffer layer at least one in the outer surface of described ball float (32).
6. compression assembly according to claim 1, is characterized in that, described ball float (32) is hollow spheres.
7. compression assembly according to claim 1, is characterized in that, described relief opening is opened in the side of described pedestal (31).
8. compression assembly according to claim 7, is characterized in that, described relief opening is two or more, a plurality of described relief openings being circumferentially uniformly distributed along described exhaust port.
9. according to the compression assembly described in any one in claim 1-8, it is characterized in that, edge relative with described ball float (32) on described exhaust port has circumferential anti-scratch inclined-plane.
10. a scroll compressor, comprises shell and is installed on the compression assembly in described shell, it is characterized in that, described compression assembly is the compression assembly described in any one in claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320478313.9U CN203430786U (en) | 2013-08-06 | 2013-08-06 | Scroll compressor and compressor assembly thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320478313.9U CN203430786U (en) | 2013-08-06 | 2013-08-06 | Scroll compressor and compressor assembly thereof |
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| Publication Number | Publication Date |
|---|---|
| CN203430786U true CN203430786U (en) | 2014-02-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320478313.9U Expired - Lifetime CN203430786U (en) | 2013-08-06 | 2013-08-06 | Scroll compressor and compressor assembly thereof |
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| Country | Link |
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| CN (1) | CN203430786U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104343690A (en) * | 2013-08-06 | 2015-02-11 | 珠海格力节能环保制冷技术研究中心有限公司 | Compression assembly of scroll compressor and scroll compressor |
-
2013
- 2013-08-06 CN CN201320478313.9U patent/CN203430786U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104343690A (en) * | 2013-08-06 | 2015-02-11 | 珠海格力节能环保制冷技术研究中心有限公司 | Compression assembly of scroll compressor and scroll compressor |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140212 |
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| CX01 | Expiry of patent term |