CN207761943U - Scroll compressor - Google Patents
Scroll compressor Download PDFInfo
- Publication number
- CN207761943U CN207761943U CN201721473295.XU CN201721473295U CN207761943U CN 207761943 U CN207761943 U CN 207761943U CN 201721473295 U CN201721473295 U CN 201721473295U CN 207761943 U CN207761943 U CN 207761943U
- Authority
- CN
- China
- Prior art keywords
- scroll
- movable orbiting
- fixed scroll
- orbiting scroll
- face
- 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.)
- Expired - Fee Related
Links
- 238000007789 sealing Methods 0.000 claims abstract description 44
- 230000006835 compression Effects 0.000 claims description 9
- 238000007906 compression Methods 0.000 claims description 9
- 239000007788 liquid Substances 0.000 abstract description 11
- 230000000694 effects Effects 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 4
- 238000004378 air conditioning Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 210000003205 muscle Anatomy 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
Abstract
A kind of scroll compressor, including exhaust cap, fixed scroll, movable orbiting scroll, bearing block, sealing strip and movable orbiting scroll adjusting pad, wherein, the top of the votex sheet of the fixed scroll is equipped with the sealing strip, the fixed scroll coordinates with the movable orbiting scroll, the movable orbiting scroll is mutually slipped by the end face of the movable orbiting scroll adjusting pad and the bearing block, and elastic sealing element is equipped between the axial end face of the exhaust cap and the axial end face of the fixed scroll.The utility model has the beneficial effects that：1) the anti-liquid hammer effect of the utility model is good, it is ensured that dynamic fixed scroll votex sheet safety improves its reliability of operation.2) fixed scroll vortex piece end face palette always is moved under nominal situation, improves volumetric efficiency.3) the utility model is simple in structure, compact, and manufacturing cost is low, and efficiency of assembling is high, dependable performance.
Description
Technical field
The utility model is related to a kind of scroll compressors more particularly to a kind of with high pressure unloading and high volumetric efficiency
Scroll compressor.
Background technology
It is well known that the features such as scroll compressor is efficient with its, energy saving and reliability is high, obtains in field of Refrigeration and Air-conditioning
It is more and more widely used, and it is one of its main direction of development to improve scroll compressor functional reliability and the thermal efficiency.
Scroll compressor operation principle is that the cavity to form multiple crescent is intermeshed by fixed scroll and movable orbiting scroll,
When movable orbiting scroll is translatable by bent axle drive along certain circular path, movable orbiting scroll vortex piece is moved relative to fixed scroll vortex piece,
Cavity movement is formed by by the two and changes its volume, to be sucked, be compressed, discharged, completes the mistake of compression working medium
Journey.
When fixed scroll and movable orbiting scroll are intermeshed the cavity to be formed and store liquid medium, since liquid medium can not press
Contracting, when being full of liquid medium in cavity and in compressive state, cavity internal pressure can steeply rise, and generate liquid hit phenomenon, right
Sound vortex piece damages.
In order to improve scroll compressor volumetric efficiency, vortex piece top surface and bottom face is made closely to seal with to greatest extent
The leakage that ground is reduced between them is very important.
Invention content
The purpose of this utility model is made to sound vortex piece for existing air-conditioning screw compressor liquid hammer that may be present
The problem of at destroying, a kind of technical solution of high pressure unloading is provided, while being vortexed piece top surface and end face is tried to get to the heart of a matter in nominal situation in whirlpool
It can closely seal, improve the operational reliability and volumetric efficiency of scroll compressor.
In order to solve the above-mentioned technical problem, the utility model is achieved through the following technical solutions：
A kind of scroll compressor, including exhaust cap, fixed scroll, movable orbiting scroll, bearing block, sealing strip and movable orbiting scroll adjustment
Pad, wherein the top of the votex sheet of the fixed scroll is equipped with the sealing strip, and the fixed scroll coordinates with the movable orbiting scroll, described
Movable orbiting scroll is mutually slipped by the end face of the movable orbiting scroll adjusting pad and the bearing block, and feature is, the axis of the exhaust cap
To between end face and the axial end face of the fixed scroll be equipped with elastic sealing element.
Open up seal groove at the top of fixed scroll votex sheet, to which sealing strip be arranged, can ensure radial leakage it is smaller and
Reducing by a sealing strip reduces cost.The interference volume that the bottom surface of fixed scroll votex sheet is contacted with the top of movable orbiting scroll votex sheet in this programme
By elastic sealing element axially yielding compensate, but also movable orbiting scroll adjusting pad function only as it is wear-resisting effect without prepare it is more
A size is adjusted axial gap, and production efficiency is improved to reduce matching requirements.
Preferably, the exhaust cap is equipped with pilot hole, the pilot hole is used for the axial movement of the fixed scroll.
Preferably, the exhaust cap includes exhaust end, and the exhaust cap is connected with a casing.
Preferably, the fixed scroll is located in the exhaust cap, the movable orbiting scroll is located in the casing.
Preferably, including bent axle in the scroll compressor, the bent axle is connect with the movable orbiting scroll.
Preferably, the elastic sealing element is annular compression spring or rubber ring or annular compression spring and rubber ring
In conjunction with,
Preferably, the elastic sealing element is o shape rubber rings.
Preferably, the elastic sealing element is for separating exhaust passage and air intake passage.
Preferably, the tolerance of the votex sheet height of the fixed scroll is less than the votex sheet height tolerance of the movable orbiting scroll.Fixed scroll
Votex sheet height tolerance be less than movable orbiting scroll votex sheet height tolerance, it is ensured that the votex sheet bottom surface of fixed scroll and the votex sheet top of movable orbiting scroll
Portion contacts, to form unilateral gap with the votex sheet bottom surface of movable orbiting scroll at the top of the votex sheet of fixed scroll.
Compared with prior art, the utility model has the beneficial effects that：1) the anti-liquid hammer effect of the utility model is good, it is ensured that dynamic
Fixed scroll votex sheet safety, improves its reliability of operation.2) fixed scroll vortex piece end face sealing paste always is moved under nominal situation
It closes, improves volumetric efficiency.3) the utility model is simple in structure, compact, and manufacturing cost is low, and efficiency of assembling is high, dependable performance.
Description of the drawings
Fig. 1 is the structural schematic diagram of the scroll compressor of the utility model.
Elastic sealing element decrement schematic diagram when Fig. 2 is the scroll compressor static state of the utility model.
Elastic sealing element decrement schematic diagram when Fig. 3 is the scroll compressor liquid hammer operating mode of the utility model.
Fig. 4 be the utility model scroll compressor fluid removal after or when nominal situation elastic sealing element decrement is shown
It is intended to.
Fig. 5 a- Fig. 5 d are the scroll compressor elastic sealing element cross section structure schematic diagrams of the utility model.
Specific implementation mode
The utility model is described in further detail with specific implementation mode below in conjunction with the accompanying drawings：
The utility model discloses a kind of scroll compressor as shown in Fig. 1-Fig. 5 d, including it is exhaust cap 1, fixed scroll 3, dynamic
Whirlpool disk 6, bearing block 8, sealing strip 9 and movable orbiting scroll adjusting pad 7, wherein the top of the votex sheet of fixed scroll 3 is equipped with sealing strip 9.Quiet whirlpool
Disk 3 coordinates with movable orbiting scroll 6, and movable orbiting scroll 6 is mutually slipped by movable orbiting scroll adjusting pad 7 and the end face of bearing block 8, the exhaust cap 1
Elastic sealing element 2 is equipped between axial end face and the axial end face of the fixed scroll.
Seal groove is opened up at the top of the votex sheet of fixed scroll 3, to which sealing strip 9 be arranged, can ensure that radial leakage is smaller
And reducing by a sealing strip reduces cost.It is connect at the top of the bottom surface of the votex sheet of fixed scroll 3 and the votex sheet of movable orbiting scroll 6 in this programme
Tactile interference volume is compensated by elastic sealing element 2 in axially yielding, but also movable orbiting scroll adjusting pad 7 functions only as wear-resisting effect
It is adjusted axial gap without preparing multiple sizes, production efficiency is improved to reduce matching requirements.
In the present embodiment, exhaust cap 1 is equipped with pilot hole, and the pilot hole is used for the axial movement of fixed scroll 3.
In the present embodiment, exhaust cap 1 includes exhaust end, and exhaust cap 1 is connected with casing 4.
In the present embodiment, fixed scroll 3 is located in exhaust cap 1, and movable orbiting scroll 6 is located in casing 4.
Include bent axle 5 in the present embodiment, in the scroll compressor, the eccentric part of bent axle 5 is inserted into the wheel of movable orbiting scroll 6
Hub, so that bent axle 5 is connect with movable orbiting scroll 6.
In the present embodiment, elastic sealing element 2 is annular compression spring or rubber ring or annular compression spring and rubber ring
Combination.Wherein, as shown in Figure 5 a, elastic sealing element 2 can be o shape rubber rings, and section is circle.It can also be such as Fig. 5 b institutes
Show, 2 section of elastic sealing element is rectangular.
In example as shown in Figure 5 c, annular compression spring is placed among elastic sealing element 2.The example shown in the 5d of way
In son, annular compression spring is placed under elastic sealing element 2.
In the present embodiment, elastic sealing element 2 is for separating exhaust passage and air intake passage.The votex sheet height of fixed scroll 3
Tolerance is less than the votex sheet height tolerance of movable orbiting scroll 6.
It is less than the votex sheet height tolerance of movable orbiting scroll 6 by the tolerance of the votex sheet height of fixed scroll 3, it is ensured that the whirlpool of fixed scroll 3
It is contacted at the top of piece bottom surface and the votex sheet of movable orbiting scroll 6, to form list with the votex sheet bottom surface of movable orbiting scroll 6 at the top of the votex sheet of fixed scroll
Side gap.
In the utility model, it is close that it is equipped with elasticity as shown in Figs 1-4, between 3 axial end face of 1 axial end face of exhaust cap and fixed scroll
Sealing 2, exhaust cap 1 are equipped with the pilot hole that fixed scroll 3 is axially moved.
As Fig. 2 static state when, fixed scroll 3 is under the action of 2 elasticity recovery power of elastic sealing element, 6 vortex piece top of movable orbiting scroll
Face is bonded with 3 vortex piece sealing bottom surface of fixed scroll.
As Fig. 3 liquid hammer operating mode when, move fixed scroll engagement cavity pressure and increase extremely and be more than fixed scroll 3 backside gas muscle power and bullet
The sum of property 2 bounce of sealing element, fixed scroll 3 makes fixed scroll whirlpool along the further elasticity of compression sealing element 2 of 1 pilot hole of exhaust cap
Blade end face detaches, and separating distance La avoids liquid hammer.
As Fig. 4 fluid removal after or nominal situation under, move fixed scroll engagement cavity pressure and be less than fixed scroll 3 backside gas muscle power
The sum of with 2 bounce of elastic sealing element, fixed scroll 3 reduces 2 decrement of elastic sealing element, 6 whirlpool of movable orbiting scroll along 1 pilot hole of exhaust cap
Blade top surface is bonded with 3 vortex piece sealing bottom surface of fixed scroll；It is quiet when fixed scroll vortex piece has relative movement with movable orbiting scroll vortex piece
The sealing strip 9 of whirlpool disk vortex piece top surface always with 6 bottom face palette of movable orbiting scroll.
The utility model has high pressure unloading when liquid hammer, while votex sheet top surface and whirlpool being made to try to get to the heart of a matter the spy of end face tight seal
Point.
It should be understood that the application of the utility model is not limited to above-mentioned citing, those of ordinary skill in the art are come
It says, it can be modified or changed according to the above description, and all these modifications and variations should all belong to the appended power of the utility model
The protection domain that profit requires.
Claims (9)
1. a kind of scroll compressor, including exhaust cap, fixed scroll, movable orbiting scroll, bearing block, sealing strip and movable orbiting scroll adjusting pad,
Wherein, the top of the votex sheet of the fixed scroll is equipped with the sealing strip, and the fixed scroll coordinates with the movable orbiting scroll, the dynamic whirlpool
Disk is mutually slipped by the end face of the movable orbiting scroll adjusting pad and the bearing block, which is characterized in that the axial end of the exhaust cap
Elastic sealing element is equipped between face and the axial end face of the fixed scroll.
2. scroll compressor as described in claim 1, which is characterized in that the exhaust cap is equipped with pilot hole, the guiding
Hole is used for the axial movement of the fixed scroll.
3. scroll compressor as described in claim 1, which is characterized in that the exhaust cap includes exhaust end, and the row
Gas lid is connected with a casing.
4. scroll compressor as claimed in claim 3, which is characterized in that the fixed scroll is located in the exhaust cap, institute
Movable orbiting scroll is stated to be located in the casing.
5. scroll compressor as claimed in claim 4, which is characterized in that include bent axle, institute in the scroll compressor
Bent axle is stated to connect with the movable orbiting scroll.
6. the scroll compressor as described in claim 1-5 any one, which is characterized in that the elastic sealing element is annular
The combination of compressed spring or rubber ring or annular compression spring and rubber ring.
7. scroll compressor as claimed in claim 6, which is characterized in that the elastic sealing element is o shape rubber rings.
8. the scroll compressor as described in claim 1-5 any one, which is characterized in that the elastic sealing element be used for every
Open exhaust passage and air intake passage.
9. the scroll compressor as described in claim 1-5 any one, which is characterized in that the votex sheet height of the fixed scroll
Tolerance be less than the movable orbiting scroll votex sheet height tolerance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721473295.XU CN207761943U (en) | 2017-11-07 | 2017-11-07 | Scroll compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721473295.XU CN207761943U (en) | 2017-11-07 | 2017-11-07 | Scroll compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207761943U true CN207761943U (en) | 2018-08-24 |
Family
ID=63179104
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721473295.XU Expired - Fee Related CN207761943U (en) | 2017-11-07 | 2017-11-07 | Scroll compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207761943U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109751239A (en) * | 2017-11-07 | 2019-05-14 | 上海汉钟精机股份有限公司 | Scroll compressor |
-
2017
- 2017-11-07 CN CN201721473295.XU patent/CN207761943U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109751239A (en) * | 2017-11-07 | 2019-05-14 | 上海汉钟精机股份有限公司 | Scroll compressor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180824 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |