CN205401129U - Prevent from change and scroll compressor - Google Patents
Prevent from change and scroll compressor Download PDFInfo
- Publication number
- CN205401129U CN205401129U CN201620136983.6U CN201620136983U CN205401129U CN 205401129 U CN205401129 U CN 205401129U CN 201620136983 U CN201620136983 U CN 201620136983U CN 205401129 U CN205401129 U CN 205401129U
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- change
- key
- orbiting scroll
- movable orbiting
- ketone
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Abstract
The utility model provides a prevent from the change for the setting is moved between whirlpool dish and the support scroll compressor's, with move whirlpool dish with the support matches in order to prevent move whirlpool dish rotation, prevent including from the change: the body, at least one first key, set up in on the body, first key with the keyway that moves on the dish of whirlpool cooperatees, and an at least second key, set up in on the body, and with first key staggers, the second key with keyway on the support cooperatees, prevent being the poly (aryl ether ketone) resin from the material of change. Adopt the poly (aryl ether ketone) resin as the weight of preventing to reduce scroll compressor from the material of change to improve scroll compressor's wearability and reliability.
Description
Technical field
This utility model relates to Compressor Technology field, specifically, relates to a kind of anti-from change and use this anti-screw compressor from change.
Background technology
New forms of energy screw compressor be a kind of change by means of volume to realize the fluid machinery of gas compression, be not only different from shuttle but also be different from revolving, be belonging to a new generation positive displacement compressor.
The main working parts of screw compressor includes: be provided with the fixed scroll of helical form scroll wrap, the movable orbiting scroll being provided with helical form scroll wrap matched with fixed scroll.Fixed scroll and movable orbiting scroll complement each other to form multiple compression chamber, and major moving parts is movable orbiting scroll, rely on the motion of movable orbiting scroll and coordinate with fixed scroll, it is achieved the purpose of the suction of gas, compression and discharge.But movable orbiting scroll is under gas force effect, the trend of You Raoqi center rotation, this trend can destroy the normal operation of compressor, generally arranges anti-rotation mechanism between movable orbiting scroll and the support supporting fixed scroll, movable orbiting scroll, to prevent the rotation of movable orbiting scroll.
Anti-rotation mechanism on existing market has various structures pattern, and most common of which is the anti-pattern from change, and its material is usually metal material, but developing rapidly and lightweight demand along with new forms of energy industry, compressor weight is all the more paid attention to.For realizing lightweight, as existing screw compressor housing has adopted the aluminum of lighter in weight, correspondingly, internal part also all needs to update.And therein anti-all adopt metal material (such as iron and steel, powder metallurgy etc.) to manufacture at present from change, and excessively heavy, reliability and wearability all have deficiency, is therefore badly in need of a kind of new material and replaces the metal material prevented from change.
Summary of the invention
The defect existed for prior art and deficiency, this utility model provides one anti-from change, for being arranged between the movable orbiting scroll of screw compressor and support, match to prevent described movable orbiting scroll rotation with described movable orbiting scroll and described support, described anti-include from change:
Body；
At least one first key, is arranged on described body, and described first key matches with the keyway on described movable orbiting scroll；And
At least one second key, is arranged on described body, and opens with described first keying mistake, and described second key matches with the keyway on described support；Wherein
Described anti-from the material of change be ketone-grouped resin.
Further, the quantity of described first key is two, and longitudinally asymmetric is arranged on described body.
Further, the quantity of described second key is two, and lateral symmetry is arranged on described body.
Further, the first adjacent key and the angle of the second key are 90 degree.
This utility model also provides for a kind of screw compressor, including:
Compression unit, described compression unit at least includes:
Fixed scroll and movable orbiting scroll, described fixed scroll matches with described movable orbiting scroll and forms multiple compression chambers；
Support, is used for supporting described fixed scroll and described movable orbiting scroll；And
Anti-from change, be arranged between described movable orbiting scroll and described support, and match with described support with described movable orbiting scroll, described screw compressor work process prevents described movable orbiting scroll rotation, described anti-be above-mentioned prevent from change from change.
Compared with prior art, of the present utility model anti-from change and use this anti-at least has the advantages that from the screw compressor of change to adopt ketone-grouped resin can reduce the weight of screw compressor as the anti-material from change, and improve wearability and the reliability of screw compressor.
Accompanying drawing explanation
Fig. 1 is the sectional view of the screw compressor of this utility model embodiment；
Fig. 2 is the anti-structural representation from change of this utility model embodiment.
Wherein, description of reference numerals is as follows:
1: screw compressor
10: compression unit
11: fixed scroll
12: movable orbiting scroll
13: support
14: anti-from change
141: body
142: the first keys
143: the second keys
Detailed description of the invention
It is described more fully with example embodiment referring now to accompanying drawing.But, example embodiment can be implemented in a variety of forms, and is not understood as limited to embodiment set forth herein；On the contrary, it is provided that these embodiments make this utility model more comprehensively and completely, and the design of example embodiment is conveyed to those skilled in the art all sidedly.Accompanying drawing labelling identical in the drawings represents same or similar structure, thus will omit repetition thereof.
In this utility model, the description in direction or position is the explanation carried out for accompanying drawing by up/down, longitudinal direction/transverse direction etc., but can also make a change as required, and done change is all contained in this utility model protection domain.
Fig. 1 illustrates the structural representation of the screw compressor 1 of this utility model embodiment, and screw compressor 1 includes compression unit 10.
Compression unit 10 at least includes: fixed scroll 11, movable orbiting scroll 12, support 13 and anti-from change 14.Fixed scroll 11 and movable orbiting scroll 12 match and form multiple compression chambers, and the motion by movable orbiting scroll 12 realizes the suction of gas, compression and discharge.Support 13 is used for supporting fixed scroll 11 and movable orbiting scroll 12, for preventing movable orbiting scroll 11 rotation in screw compressor work process, arranges anti-from change 14 between movable orbiting scroll 12 and support 13.Other parts of compression unit 10 and set-up mode are well known to the skilled person, and do not repeat them here.
Fig. 2 illustrates the anti-structural representation from change 14 of this utility model embodiment, is described in detail from change 14 anti-below.
Anti-include from change 14: body 141, at least one first key 142 being arranged on body 141, at least one second key 143 of being arranged on body 141, wherein, first key 142 is slidably received on movable orbiting scroll 12 in the keyway (not shown) being equipped with, and the second key 143 is slidably received on support 13 in the keyway (not shown) being equipped with.
In a preferred embodiment, the quantity of the first key 142 is two, and longitudinally asymmetric is arranged on body 141.In a preferred embodiment, the quantity of the second key 143 is two, and lateral symmetry is arranged on body 141.The first adjacent key 142 and the angle of the second key 143 are preferably 90 degree.
Owing to support 13 is for being fixedly installed, therefore, limit the anti-rotation from change 14 relative to support 13 by two the second keys 143, and then limit the movable orbiting scroll 12 rotation in compression process by two the first keys 142.
In the present embodiment, prevent including a pair first keys 142 and a pair second keys 143 normal thereto from change 14.But, those skilled in the art should know and know, the invention is not restricted to the concrete structure shown in the present embodiment, and the embodiment of any other deformation all should fall within the scope that the present invention contains.
For reducing compressor weight, the anti-existing metal material from change 14 is replaced with new high-abrasive material, to reach loss of weight and to improve the purpose of the anti-wearability from change 14 and reliability.Inventor, in R & D design process, has been surprisingly found that PAEK (PAEK) resin can reach above-mentioned purpose as the anti-material from change 14, tests through the such as compatibility, the life-span etc. repeatedly, finally determine selection ketone-grouped resin.
Ketone-grouped resin is the thermoplastic resin in structure containing multiple ether, ketone group and aryl arranged in different order, aryl is generally phenyl, by introducing the circulus of larger proportion in ketone-grouped resin structure, significantly improve heat stability and the mechanical performance of resin.Ketone-grouped resin has many significant advantages compared with common metal material: high temperature resistant, mechanical performance is excellent, self lubricity good, aging resistance, chemicals-resistant burn into are fire-retardant, peel resistance, radioresistance, insulating properties are stable, hydrolysis and easily processing etc..Ketone-grouped resin, as having special engineering plastics high temperature resistant, self-lubricating, the easily excellent properties such as processing and high mechanical properties, is suitable to processing and manufacturing and becomes various component of machine.
In this utility model, ketone-grouped resin includes the ketone-grouped resin of unmodified ketone-grouped resin, modified polyarylether ketone resin, addition filler.
In one embodiment, unmodified ketone-grouped resin is selected from the combination of polyether-ether-ketone (PEEK), polyether-ketone (PEK), PEKK (PEKK), polyethers ether ether ketone (PEEEK), polyether ether ketone ketone (PEEKK), polyether-ketone ether ether ketone (PEKEEK), polyether-ether-ketone ether ketone (PEEKEK), polyetherketoneetherketoneketone (PEKEKK) or aforementioned substances, it is preferred that polyether-ether-ketone (PEEK).
Above-mentioned unmodified ketone-grouped resin, except having usual the had characteristic of ketone-grouped resin, each also has advantage.Such as, polyether-ether-ketone is a kind of thermostability engineering plastic, for semicrystalline polymer, glass transition temperature is 143 DEG C, melt temperature reaches 334 DEG C, has excellent mechanical performance and thermostability, can use continuously at 220 DEG C, load uses temperature up to 310 DEG C, has the toughness of equilibrium, intensity, hardness and wearability；Polyether-ketone is a kind of crystalline engineering plastics, and glass transition temperature is 154 DEG C, and melt temperature reaches 367 DEG C, and hot strength and heat distortion temperature are high；The glass transition temperature of PEKK and polyetherketoneetherketoneketone respectively 165 DEG C and 161 DEG C, melt temperature respectively reaches 386 DEG C and 377 DEG C, heat-resist.
Ketone-grouped resin of the present utility model can be modified by existing methods such as introducing active groups in preparation process, thus obtaining modified polyarylether ketone resin, such as: introducing fluorine-based, chloro etc. on the aromatic ring of ketone-grouped resin main chain, introduction volume and preparation method this utility model of active group are not intended to.By the modified such as performance such as glass transition temperature, melt temperature that can regulate ketone-grouped resin further, it is simple to machine-shaping and obtain suitable anti-from change 14 material.
Ketone-grouped resin of the present utility model can also improve its performance by existing fill methods such as addition glass fibre, carbon fiber and other fillers in preparation process, such as: add glass fibre and can strengthen anti-wear performance and the mechanical property of ketone-grouped resin, adding carbon fiber and can strengthen heat-resisting quantity and the intensity of ketone-grouped resin, in ketone-grouped resin, the addition of filler and preparation method this utility model are not intended to.The serviceability of strong ketone-grouped resin can be improved further, as the anti-material from change 14, it is possible to reliably work for a long time in condition severe rugged environment by adding filler.
In one embodiment, of the present utility model anti-it is processed into through the method such as injection moulding or mold pressing by ketone-grouped resin from change 14.
At identical working environment and anti-under the overall dimensions same case of change 14, prevent that carry out detection respectively tests from change 14 to what be made up of polyether-ether-ketone resin and 45# steel, powder metallurgy, it is shown that the 1/4 of the anti-anti-weight from change 14 being made up of powder metallurgy from the weight of change 14 being made up of polyether-ether-ketone resin；And in tensile strength, polyether-ether-ketone resin and powder metallurgy are suitable；Coefficient of friction aspect, polyether-ether-ketone resin is better than powder metallurgy.Therefore, adopt ketone-grouped resin can improve as material anti-from the wearability of change 14, reliability, have the requirement of toughness and rigidity simultaneously concurrently.
The anti-material from change 14 of this utility model is replaced with ketone-grouped resin by metal material is all or part of, do not affect the normal operation of compressor, achieve the purpose alleviating weight, improve anti-from the wearability of change 14, reliability, have the requirement of toughness and rigidity simultaneously concurrently.
Although above it has been shown and described that embodiment of the present utility model, it is understandable that, above-described embodiment is illustrative of, it is not intended that to restriction of the present utility model, above-described embodiment can be changed in scope of the present utility model when without departing from principle of the present utility model and objective, revises, replace and modification by those of ordinary skill in the art.
Claims (5)
1. anti-from a change, for being arranged between the movable orbiting scroll of screw compressor and support, match to prevent described movable orbiting scroll rotation with described movable orbiting scroll and described support, it is characterised in that described anti-include from change:
Body；
At least one first key, is arranged on described body, and described first key matches with the keyway on described movable orbiting scroll；And
At least one second key, is arranged on described body, and opens with described first keying mistake, and described second key matches with the keyway on described support；Wherein
Described anti-from the material of change be ketone-grouped resin.
2. it is arranged on described body according to claim 1 anti-from change, it is characterised in that the quantity of described first key is two and longitudinally asymmetric.
3. it is arranged on described body according to claim 1 anti-from change, it is characterised in that the quantity of described second key is two and lateral symmetry.
4. according to claim 1 anti-from change, it is characterised in that the first adjacent key and the angle of the second key are 90 degree.
5. a screw compressor, it is characterised in that including:
Compression unit, described compression unit at least includes:
Fixed scroll and movable orbiting scroll, described fixed scroll matches with described movable orbiting scroll and forms multiple compression chambers；
Support, is used for supporting described fixed scroll and described movable orbiting scroll；And
Anti-from change, it is arranged between described movable orbiting scroll and described support, and match with described support with described movable orbiting scroll, described screw compressor work process prevent described movable orbiting scroll rotation, described anti-from change be anti-from change described in Claims 1-4 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620136983.6U CN205401129U (en) | 2016-02-24 | 2016-02-24 | Prevent from change and scroll compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620136983.6U CN205401129U (en) | 2016-02-24 | 2016-02-24 | Prevent from change and scroll compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205401129U true CN205401129U (en) | 2016-07-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201620136983.6U Active CN205401129U (en) | 2016-02-24 | 2016-02-24 | Prevent from change and scroll compressor |
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| CN (1) | CN205401129U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107120283A (en) * | 2016-02-24 | 2017-09-01 | 上海海立新能源技术有限公司 | One kind is anti-from change and screw compressor |
| CN108488069A (en) * | 2018-04-10 | 2018-09-04 | 广州动安汽车压缩机有限公司 | A kind of compressor of air conditioner |
-
2016
- 2016-02-24 CN CN201620136983.6U patent/CN205401129U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107120283A (en) * | 2016-02-24 | 2017-09-01 | 上海海立新能源技术有限公司 | One kind is anti-from change and screw compressor |
| CN108488069A (en) * | 2018-04-10 | 2018-09-04 | 广州动安汽车压缩机有限公司 | A kind of compressor of air conditioner |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170712 Address after: 201206, Shanghai Pudong New Area Free Trade Zone pilot Bridge Road 888, 2 blocks of a A zone, 16 B district and C District Patentee after: Shanghai Lixin Energy Technology Co. Ltd Address before: 201206 Pudong New Area Jinqiao Export Processing Zone, Nanjing Road, No. 888, Shanghai Patentee before: Rili Electric Appliance Co., Ltd., Shanghai |