CN207999358U - A kind of screw compressor that leakproofness is strong - Google Patents
A kind of screw compressor that leakproofness is strong Download PDFInfo
- Publication number
- CN207999358U CN207999358U CN201820388735.XU CN201820388735U CN207999358U CN 207999358 U CN207999358 U CN 207999358U CN 201820388735 U CN201820388735 U CN 201820388735U CN 207999358 U CN207999358 U CN 207999358U
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- China
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- magnet
- sealing ring
- movable orbiting
- orbiting scroll
- fixed scroll
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Abstract
The utility model discloses a kind of screw compressors that leakproofness is strong, sealing device is equipped between movable orbiting scroll and fixed scroll, the sealing device includes movable orbiting scroll sealing ring and fixed scroll sealing ring, the wrap tip face of the movable orbiting scroll opens up fluted, the movable orbiting scroll sealing ring gap setting is in groove, movable orbiting scroll sealing ring bottom is provided with the first magnet, and the bottom portion of groove is provided with the second magnet, and first magnet and the second magnet are oppositely arranged and magnetism is identical;The wrap tip face of the fixed scroll opens up fluted, the fixed scroll sealing ring gap setting is in groove, fixed scroll sealing ring bottom is provided with third magnet, and the bottom portion of groove is provided with the 4th magnet, and the third magnet and the 4th magnet are oppositely arranged and magnetism is identical.The homopolar magnet that sealing ring bottom is arranged with bottom portion of groove can generate repulsive force to make sealing ring be fitted closely with gasket outer surface, to improve whirlpool dish axle to sealing performance.
Description
Technical field
The utility model is related to compressor fields, and in particular to a kind of screw compressor that leakproofness is strong.
Background technology
Screw compressor is widely used in automobile since it has many advantages, such as that energy-efficient, noise is relatively low, operates steadily
In industry.Screw compressor is mainly formed by the dynamic and static vortex of two digamma function equation scrollworks is mutually ratcheting.Air-breathing, compression,
During exhaust work, fixed scroll is fixed on the rack, and movable orbiting scroll is driven by bent axle and restricted by anti-rotation mechanism, surrounds quiet whirlpool
The Plane Rotation of very little radius is done at disk basic circle center, and gas sucks the periphery of fixed scroll, and with the rotation of eccentric shaft, gas is dynamic
Quiet disk engagement is closed gradually to be compressed in several crescent compression chambers formed, then by the axial hole of fixed scroll central module
Continuously send.In the prior art, fixed scroll on movable orbiting scroll sealing ring and whirlpool disk inner wall contact leakproofness it is poor, long-time work
Sealing strip easily deforms after work, influences sealing performance.
Utility model content
Based on the problem and deficiency described in background technology, the utility model is intended to provide a kind of scroll compression that leakproofness is strong
Machine.
In order to achieve the above objectives, the utility model uses following technical scheme:
A kind of screw compressor that leakproofness is strong, the screw compressor include shell, end cap, movable orbiting scroll, fixed scroll, branch
Support, gasket are equipped with sealing device between the movable orbiting scroll and fixed scroll, the sealing device includes movable orbiting scroll sealing ring and quiet whirlpool
Disk sealing ring, the wrap tip face of the movable orbiting scroll open up fluted, and the movable orbiting scroll sealing ring gap setting is in groove, institute
It states movable orbiting scroll sealing ring bottom and is provided with the first magnet, the bottom portion of groove is provided with the second magnet, first magnet and
Two magnet are oppositely arranged and magnetism is identical;The wrap tip face of the fixed scroll open up it is fluted, between the fixed scroll sealing ring
Gap is set in groove, and fixed scroll sealing ring bottom is provided with third magnet, and the bottom portion of groove is provided with the 4th magnet,
The third magnet and the 4th magnet are oppositely arranged and magnetism is identical.
Further, the end cap of the screw compressor seals to form high pressure chest with fixed scroll, the shell and supporting rack
It is enclosed low pressure chamber.
Further, the fixed scroll, movable orbiting scroll are set to gasket side, and support frame as described above is set to the gasket other side,
The gasket separates movable orbiting scroll and supporting rack.
The utility model has the beneficial effects that:Sealing ring bottom and the homopolar magnet of bottom portion of groove setting can generate repulsive force
To make sealing ring be fitted closely with gasket outer surface, to improve whirlpool dish axle to sealing performance.Simultaneously because sealing ring
It is not contacted with groove, can effectively reduce the abrasion between sealing ring and groove, it is simple in structure, it is at low cost.
Description of the drawings
Fig. 1 is the utility model scroll compressor structure schematic diagram;
Fig. 2 is the utility model screw compressor partial schematic diagram;
Fig. 3 is the utility model movable orbiting scroll sealing structure partial schematic diagram;
Fig. 4 is the utility model fixed scroll sealing structure partial schematic diagram.
Reference sign:Shell 1, fixed scroll 3, movable orbiting scroll 4, supporting rack 5, cross 6, hollow motor 7, turns end cap 2
Axis 8, bolt 9, air inlet 10, gas vent 11, gas outlet 12, low pressure chamber 13, high pressure chest 14, gasket 15, movable orbiting scroll sealing ring 16,
First magnet 17, the second magnet 18, fixed scroll sealing ring 19, third magnet 20, the 4th magnet 21.
Specific implementation mode
The utility model is further described below in conjunction with the drawings and specific embodiments, but present embodiment is simultaneously
It is not limited to content below, can arbitrarily be changed and implement in the range of the purport of lossless the utility model.
As shown in Figure 1, the utility model screw compressor includes shell 1, end cap 2, movable orbiting scroll 3, fixed scroll 4, supporting rack
5, gasket 15, shaft 8, cross 6, the shell 1 are fastenedly connected with the end cap 2 by bolt 9, and shell 1 connects with end cap 2
Contacting surface is equipped with sealing ring, and hollow motor 7, shaft 8, supporting rack 5, cross 6, fixed scroll 4, movable orbiting scroll 3 are equipped in shell 1.
8 one end of the shaft is rotatably arranged on 1 bottom of shell by sliding bearing, and the rotor of the hollow motor 7 is fixed
It is arranged in shaft 8, stator is fixed at 1 madial wall of shell, and 8 other end of the shaft is equipped with supporting rack 5, support frame as described above
5 are rotatablely connected by rolling bearing and 8 other end of the shaft.5 upper surface of support frame as described above is equipped with fixed scroll 4, the quiet whirlpool
Movable orbiting scroll 3 is equipped in disk 4.
For 8 other end of the shaft also integrally formed with bent axle, the crankshaft end is arranged with axle sleeve, and the axle sleeve passes through bullet
Spring snap ring is fixed on crankshaft end.The movable orbiting scroll bottom is socketed by needle bearing and axle sleeve rotation, the cross 6
It is set between supporting rack 5 and movable orbiting scroll 3.
The side wall of the shell 1 offers air inlet 10, and the side wall of the end cap 2 offers gas outlet 12, the end cap 2
High pressure chest 14 is formed with the sealing of fixed scroll 3, the shell 1 is enclosed low pressure chamber 13 with supporting rack 5.System refrigerant and refrigerator
The mixed gas of oil is sucked by air inlet 10 in screw compressor low pressure chamber 24, after movable orbiting scroll 12 and fixed scroll 13 compress,
It is expelled in high pressure chest 14 from the gas vent 11 that fixed scroll 13 opens up, compressor is discharged by gas outlet 12.
The fixed scroll 3, movable orbiting scroll 4 are set to 15 side of gasket, and support frame as described above 5 is set to 15 other side of gasket.Institute
Gasket 15 is stated to separate movable orbiting scroll 4 and supporting rack 5, when screw compressor works, movable orbiting scroll 4 in 15 apparent motion of gasket, from
And efficiently avoid the contact wear of movable orbiting scroll and supporting rack.
As in Figure 2-4, sealing device is equipped between the movable orbiting scroll and fixed scroll, the sealing device includes that movable orbiting scroll is close
Seal 16 and fixed scroll sealing ring 19, the wrap tip face of the movable orbiting scroll 4 open up it is fluted, between the movable orbiting scroll sealing ring 16
Gap is set in groove, and 16 bottom of movable orbiting scroll sealing ring is provided with the first magnet 17, and the bottom portion of groove is provided with second
Magnet 18, first magnet, 17 and second magnet 18 is oppositely arranged and magnetism is identical.
The wrap tip face of the fixed scroll 3 open up it is fluted, 19 gap setting of fixed scroll sealing ring in groove,
19 bottom of fixed scroll sealing ring is provided with third magnet 20, and the bottom portion of groove is provided with the 4th magnet 21, the third
Magnet 20 and the 4th magnet 21 are oppositely arranged and magnetism is identical.
The magnet of sealing ring bottom setting is identical as the magnet poles that bottom portion of groove is arranged, and homopolar magnet generates repulsive force,
Push sealing ring to gasket outer surface.At this time since the effect of repulsive force makes sealing ring be fitted closely with gasket outer surface, from
And improve whirlpool dish axle to sealing performance.
The utility model is described in detail, and its object is to allow the personage for being familiar with this field technology that can understand this reality
It with novel content and is implemented, the scope of protection of the utility model can not be limited with this, it is all according to the present utility model
Equivalent change or modification made by Spirit Essence should all cover within the protection scope of the present utility model.
Claims (3)
1. a kind of screw compressor that leakproofness is strong, the screw compressor includes shell (1), end cap (2), movable orbiting scroll (4), quiet
Whirlpool disk (3), supporting rack (5), gasket (15), it is characterised in that:Sealing device is equipped between the movable orbiting scroll and fixed scroll, it is described close
Seal apparatus includes movable orbiting scroll sealing ring (16) and fixed scroll sealing ring (19), and the wrap tip face of the movable orbiting scroll (4) offers
Groove, for movable orbiting scroll sealing ring (16) gap setting in groove, movable orbiting scroll sealing ring (16) bottom is provided with first
Magnet (17), the bottom portion of groove are provided with the second magnet (18), and first magnet (17) and the second magnet (18) are set relatively
It sets and magnetic identical;The wrap tip face of the fixed scroll (3) opens up fluted, fixed scroll sealing ring (19) gap setting
In in groove, fixed scroll sealing ring (19) bottom is provided with third magnet (20), and the bottom portion of groove is provided with the 4th magnetic
Iron (21), the third magnet (20) is oppositely arranged with the 4th magnet (21) and magnetism is identical.
2. the strong screw compressor of leakproofness according to claim 1, it is characterised in that:The end cap of the screw compressor
(2) high pressure chest (14) is formed with fixed scroll (3) sealing, the shell (1) is enclosed low pressure chamber (13) with supporting rack (5).
3. the strong screw compressor of leakproofness according to claim 1, it is characterised in that:The fixed scroll (3), movable orbiting scroll
(4) it is set to gasket (15) side, support frame as described above (5) is set to gasket (15) other side, and the gasket (15) is by movable orbiting scroll
(4) it is separated with supporting rack (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820388735.XU CN207999358U (en) | 2018-03-21 | 2018-03-21 | A kind of screw compressor that leakproofness is strong |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820388735.XU CN207999358U (en) | 2018-03-21 | 2018-03-21 | A kind of screw compressor that leakproofness is strong |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207999358U true CN207999358U (en) | 2018-10-23 |
Family
ID=63838958
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820388735.XU Active CN207999358U (en) | 2018-03-21 | 2018-03-21 | A kind of screw compressor that leakproofness is strong |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207999358U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113279960A (en) * | 2021-07-05 | 2021-08-20 | 珠海格力电器股份有限公司 | Pump body structure, scroll compressor and air conditioner |
-
2018
- 2018-03-21 CN CN201820388735.XU patent/CN207999358U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113279960A (en) * | 2021-07-05 | 2021-08-20 | 珠海格力电器股份有限公司 | Pump body structure, scroll compressor and air conditioner |
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