CN107781161B - Fixed scroll of automobile air conditioner compressor - Google Patents

Fixed scroll of automobile air conditioner compressor Download PDF

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Publication number
CN107781161B
CN107781161B CN201710786185.7A CN201710786185A CN107781161B CN 107781161 B CN107781161 B CN 107781161B CN 201710786185 A CN201710786185 A CN 201710786185A CN 107781161 B CN107781161 B CN 107781161B
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China
Prior art keywords
fixed scroll
air conditioner
boss
conditioner compressor
vortex
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CN201710786185.7A
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Chinese (zh)
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CN107781161A (en
Inventor
曹靖
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Jiangsu Cheng Ke New Energy Co Ltd
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Jiangsu Cheng Ke New Energy Co Ltd
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Priority to CN201710786185.7A priority Critical patent/CN107781161B/en
Publication of CN107781161A publication Critical patent/CN107781161A/en
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    • 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
    • F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
    • F04C18/02—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents
    • F04C18/0207—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents both members having co-operating elements in spiral form
    • F04C18/0246—Details concerning the involute wraps or their base, e.g. geometry
    • F04C18/0253—Details concerning the base
    • 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
    • F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
    • F04C18/02—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents
    • F04C18/0207—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents both members having co-operating elements in spiral form
    • F04C18/0246—Details concerning the involute wraps or their base, e.g. geometry
    • F04C18/0269—Details concerning the involute wraps
    • 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
    • F04C27/00—Sealing arrangements in rotary-piston pumps specially adapted for elastic fluids
    • F04C27/007—Sealings for working fluid between radially and axially moving parts
    • 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
    • F04C29/0021—Systems for the equilibration of forces acting on the pump
    • 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
    • F04C29/0092—Removing solid or liquid contaminants from the gas under pumping, e.g. by filtering or deposition; Purging; Scrubbing; Cleaning
    • 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
    • F04C29/02—Lubrication; Lubricant separation
    • 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
    • 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
    • F04C2240/00—Components
    • F04C2240/10—Stators

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Rotary Pumps (AREA)
  • Air-Conditioning For Vehicles (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)

Abstract

The invention discloses a fixed scroll of an automobile air-conditioning compressor, which comprises a fixed scroll body, a boss arranged on the upper surface of the fixed scroll body and scroll teeth arranged on the lower surface of the fixed scroll body, wherein the boss is arranged on the upper surface of the fixed scroll body; the fixed scroll body comprises a circular end face and a side wall positioned at the bottom of the end face; the bottom of vortex tooth is equipped with a plurality of and is used for placing the oil storage hole of solid-state machine oil, is equipped with filter screen on the oil storage hole. The filter screen filters gaseous engine oil mixed in gas and keeps the gaseous engine oil in a cavity formed by the movable scroll and the fixed scroll, so that the loss of the engine oil is reduced; the elastic sheet and the pressing sheet not only ensure the sealing performance of the center of the vortex tooth, but also effectively reduce the pressure of the center of the vortex tooth when the pressure exceeds a threshold value, ensure the balance of the movable vortex plate and the fixed vortex plate and also improve the safety performance.

Description

Fixed scroll of automobile air conditioner compressor
Technical Field
The invention relates to the field of air conditioners, in particular to a fixed scroll of an automobile air conditioner compressor.
Background
At present, the scroll compressor is widely applied to the fields of air conditioning systems and the like due to the advantages of simple structure, small volume, light weight, low noise, high efficiency, stable stress and the like. Generally, the fixed scroll is fixed to the frame, the movable scroll rotates in a plane with a small radius, and the gas is compressed gradually and then discharged continuously through the axial hole of the central part of the fixed scroll. In the period, the pressure at the center of the static disc is higher and unstable, which easily causes the conditions of unbalance of the movable vortex disc, gas leakage and the like.
Therefore, a fixed scroll of an air conditioner compressor for a vehicle is required to solve the above problems.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a fixed scroll of an automobile air conditioner compressor, which keeps balance.
In order to solve the technical problems, the solution of the invention is as follows: a fixed scroll of an automobile air conditioner compressor comprises a fixed scroll body, a boss arranged on the upper surface of the fixed scroll body and scroll teeth arranged on the lower surface of the fixed scroll body; the fixed scroll body comprises a circular end face and a side wall positioned at the bottom of the end face; and a plurality of oil storage holes are formed in the side wall of the vortex tooth.
The boss comprises a sealing groove arranged at the periphery of the boss and a pressing sheet and a limiting sheet arranged in the middle of the boss; the sealing groove is formed into a ring by connecting the head and the tail, and three through holes and one air return hole are formed in the boss; a rigid limiting sheet and an elastic pressing sheet are arranged above the three through holes; the pressing sheet is of an E-shaped structure comprising three forks, and the three forks respectively cover the three through holes; the limiting sheet is of an E-shaped structure comprising three forks, and the limiting sheet is correspondingly laminated on the pressing sheet and is spaced from the pressing sheet.
Furthermore, the pressing plate and the limiting plate are fixed on the boss through bolts. The pressing sheet and the limiting sheet are fixed through the screw, and when gas rushes out of the through hole, three forks of the pressing sheet are jacked to the limiting sheet; when no gas was flushed out, the tablets dropped back into place.
Furthermore, a sealing ring is arranged in the sealing groove. The sealing effect of the sealing groove and the front cover of the automobile air-conditioning compressor is more excellent, gas is guided out from the gas outlet of the front cover in a concentrated mode, and the gas is not prone to leaking into the air-conditioning compressor.
Furthermore, a filter screen is arranged on the air return hole. The gas rushing out from the through hole carries impurities, and the filter screen can filter out the impurities in the gas to prevent the air return hole from being blocked.
Furthermore, the tooth profile of the scroll wrap is an involute or an algebraic spiral or a variable base circle involute of a circle.
Furthermore, two positioning pin holes close to the edge of the end face are oppositely arranged on the end face. Two bayonets are further arranged on the side wall. The positioning pin hole and the two bayonets are used for fixing other components in the air-conditioning compressor.
Furthermore, the bottom of the vortex tooth is provided with a wear-resistant layer. The wear resistant layer prevents wear of the wrap when in contact with other components.
Has the advantages that: according to the fixed scroll of the automobile air-conditioning compressor, the elastic sheet and the pressing sheet ensure the sealing property of the center of the scroll tooth and quickly discharge gas when the pressure exceeds the threshold value, so that the operation purpose of the automobile air-conditioning compressor is realized and the production safety is also ensured; the air return hole utilizes the discharged trace gas, so that the friction between the parts is reduced, and the loss of the parts is reduced.
Drawings
FIG. 1 is a schematic structural view of a fixed scroll of an automotive air conditioning compressor of the present invention;
FIG. 2 is a schematic structural view of a non-orbiting scroll plate body of the automotive air conditioning compressor of the present invention;
fig. 3 is a bottom view of a fixed scroll of the air conditioner compressor for a vehicle according to the present invention.
Detailed Description
The present invention is further illustrated by the following figures and specific examples, which are to be understood as illustrative only and not as limiting the scope of the invention, which is to be given the full breadth of the appended claims and any and all equivalent modifications thereof which may occur to those skilled in the art upon reading the present specification.
As shown in fig. 1, 2 and 3, a fixed scroll of an automotive air conditioning compressor comprises a fixed scroll body 1, a boss 2 arranged on the upper surface of the fixed scroll body 1 and a scroll wrap 3 arranged on the lower surface of the fixed scroll body 1; the fixed scroll body 1 comprises a circular end surface 11 and a side wall 12 positioned at the bottom of the end surface 11; and a plurality of oil storage holes are formed in the side wall of the vortex tooth 3.
The boss 2 comprises a sealing groove 21 arranged at the periphery of the boss 2, and a pressing sheet 23 and a limiting sheet 24 arranged in the middle of the boss 2; the sealing groove 21 is formed into a ring by connecting the head and the tail, and three through holes 22 and a return air hole 25 are arranged in the boss 2; a rigid limiting sheet 24 and an elastic pressing sheet 23 are arranged above the three through holes 22; the pressing sheet 23 is of an E-shaped structure comprising three forks, and the three forks respectively cover the three through holes 22; the limiting sheet 24 is an E-shaped structure including three forks, and the limiting sheet 24 is correspondingly laminated on the pressing sheet 23 with a gap therebetween.
Furthermore, the pressing plate 23 and the limiting plate 24 are fixed on the boss 2 through bolts. The pressing sheet 23 and the limiting sheet 24 are fixed through a spiral, and when gas rushes out of the through hole 22, three forks of the pressing sheet 23 are jacked up to the limiting sheet 24; when no gas is flushed out, the pellet 23 falls back into place.
Furthermore, a sealing ring is arranged in the sealing groove 21. The sealing effect of the sealing groove 21 and the front cover of the automobile air-conditioning compressor is more excellent, and gas is intensively guided out from the gas outlet of the front cover and is not easy to leak into the air-conditioning compressor.
Furthermore, a filter screen is arranged on the air return hole 25. The gas rushing out from the through hole carries impurities, and the filter screen can filter out the impurities in the gas to prevent the air return hole 25 from being blocked.
Furthermore, the tooth profile of the scroll wrap 3 is an involute or algebraic spiral or involute of a variable base circle. The involute, algebraic spiral and base involute of variable diameter circle are three common types of profiles and are all suitable for the scheme of the invention.
Furthermore, two positioning pin holes 31 close to the edge of the end face 11 are oppositely arranged on the end face 11; 32. two bayonets 4 are also arranged on the side wall 12. A positioning pin hole 31; 32 and both bayonets 4 are used for fixing with other components in the air-conditioning compressor.
Furthermore, the bottom of the scroll wrap 3 is provided with a wear resistant layer. The wear resistant layer prevents wear of the wrap when in contact with other components.
The specific implementation process of the fixed scroll of the automobile air-conditioning compressor comprises the following steps: the gas is compressed to the middle part of the scroll wrap 3 and is discharged through the three through holes 22, the gas jacks up the three forks of the elastic pressing sheet 23 to the position of the limiting sheet 24, the gas enters a closed space formed by the sealing groove 21 and the front cover of the compressor, and most of the gas is discharged from the gas outlet of the front cover of the compressor; and a trace amount of gas enters the air return hole 25, impurities in the gas are filtered out by the filter screen, and the gas returns to other parts to keep the balance of the movable vortex disc. In the compression process, the movable scroll plate rocks in the fixed scroll plate, and the scroll teeth collide with each other, so that oil in the oil storage hole is reserved, and the lubricating and buffering effects are achieved.
According to the fixed scroll of the automobile air-conditioning compressor, the elastic sheet and the pressing sheet ensure the sealing property of the center of the scroll tooth and quickly discharge gas when the pressure exceeds the threshold value, so that the operation purpose of the automobile air-conditioning compressor is realized and the production safety is also ensured; the air return hole utilizes the discharged trace gas, so that the friction between the parts is reduced, and the loss of the parts is reduced.

Claims (8)

1. The utility model provides a fixed scroll of vehicle air conditioner compressor which characterized in that: the vortex plate comprises a fixed vortex plate body (1), a boss (2) arranged on the upper surface of the fixed vortex plate body (1) and vortex teeth (3) arranged on the lower surface of the fixed vortex plate body (1); the fixed scroll body (1) comprises a circular end face (11) and a side wall (12) positioned at the bottom of the end face (11); a plurality of oil storage holes are formed in the side wall of the vortex tooth (3);
the boss (2) comprises a sealing groove (21) arranged on the periphery of the boss (2), and a pressing sheet (23) and a limiting sheet (24) arranged in the middle of the boss (2); the sealing groove (21) is formed into a ring by connecting the head and the tail, and three through holes (22) and an air return hole (25) are formed in the boss (2); a rigid limiting sheet (24) and an elastic pressing sheet (23) are arranged above the three through holes (22); the pressing sheet (23) is of an E-shaped structure comprising three forks, and the three forks respectively cover the three through holes (22); the limiting sheet (24) is of an E-shaped structure comprising three forks, and the limiting sheet (24) is correspondingly laminated on the pressing sheet (23) and is spaced from each other.
2. The fixed scroll of an air conditioner compressor for a vehicle of claim 1, wherein: the pressing sheet (23) and the limiting sheet (24) are fixed on the boss (2) through bolts.
3. The fixed scroll of an air conditioner compressor for a vehicle of claim 1, wherein: and a sealing ring is arranged in the sealing groove (21).
4. The fixed scroll of an air conditioner compressor for a vehicle of claim 1, wherein: and a filter screen is arranged on the air return hole (25).
5. The fixed scroll of an air conditioner compressor for a vehicle of claim 1, wherein: the tooth profile of the vortex tooth (3) is an involute or algebraic spiral or a variable base circle involute of a circle.
6. The fixed scroll of an air conditioner compressor for a vehicle of claim 1, wherein: two positioning pin holes (31; 32) close to the edge of the end face (11) are oppositely arranged on the end face (11).
7. The fixed scroll of an air conditioner compressor for a vehicle of claim 1, wherein: the side wall (12) is also provided with two bayonets (4).
8. The fixed scroll of an air conditioner compressor for a vehicle of claim 1, wherein: and a wear-resistant layer is arranged at the bottom of the vortex tooth (3).
CN201710786185.7A 2017-09-04 2017-09-04 Fixed scroll of automobile air conditioner compressor Active CN107781161B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710786185.7A CN107781161B (en) 2017-09-04 2017-09-04 Fixed scroll of automobile air conditioner compressor

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Application Number Priority Date Filing Date Title
CN201710786185.7A CN107781161B (en) 2017-09-04 2017-09-04 Fixed scroll of automobile air conditioner compressor

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CN107781161A CN107781161A (en) 2018-03-09
CN107781161B true CN107781161B (en) 2020-02-07

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110067600B (en) * 2019-03-26 2021-07-09 湖北文理学院 Vortex expander

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000097176A (en) * 1999-11-01 2000-04-04 Daikin Ind Ltd Scroll compressor
JP2000291573A (en) * 1999-04-05 2000-10-17 Matsushita Electric Ind Co Ltd Scroll compressor
JP2001280268A (en) * 2000-03-31 2001-10-10 Fujitsu General Ltd Scroll type compressor
CN2477861Y (en) * 2001-03-09 2002-02-20 上海巨霸机电工业有限公司 Intaking and exhausting valve
KR100438610B1 (en) * 2001-11-28 2004-07-02 엘지전자 주식회사 Scroll compressor
CN204729295U (en) * 2015-04-13 2015-10-28 安徽省大富机电技术有限公司 Scroll compressor
CN105114304A (en) * 2015-09-18 2015-12-02 苏州中成汽车空调压缩机有限公司 Scroll plate component and scroll compressor comprising same
CN205190207U (en) * 2015-12-10 2016-04-27 衢州学院 Scroll compressor's stator and rotor
CN106523360A (en) * 2016-12-14 2017-03-22 宁波汇峰聚威科技股份有限公司 Scroll compressor capable of quickly relieving pressure

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201779027U (en) * 2010-09-14 2011-03-30 合肥安信通用阀片制造有限公司 Wear-resistant sheet of static vortex disk of scroll compressor
CN202545247U (en) * 2012-03-29 2012-11-21 艾默生环境优化技术(苏州)有限公司 Scroll compressor having a plurality of scroll members

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000291573A (en) * 1999-04-05 2000-10-17 Matsushita Electric Ind Co Ltd Scroll compressor
JP2000097176A (en) * 1999-11-01 2000-04-04 Daikin Ind Ltd Scroll compressor
JP2001280268A (en) * 2000-03-31 2001-10-10 Fujitsu General Ltd Scroll type compressor
CN2477861Y (en) * 2001-03-09 2002-02-20 上海巨霸机电工业有限公司 Intaking and exhausting valve
KR100438610B1 (en) * 2001-11-28 2004-07-02 엘지전자 주식회사 Scroll compressor
CN204729295U (en) * 2015-04-13 2015-10-28 安徽省大富机电技术有限公司 Scroll compressor
CN105114304A (en) * 2015-09-18 2015-12-02 苏州中成汽车空调压缩机有限公司 Scroll plate component and scroll compressor comprising same
CN205190207U (en) * 2015-12-10 2016-04-27 衢州学院 Scroll compressor's stator and rotor
CN106523360A (en) * 2016-12-14 2017-03-22 宁波汇峰聚威科技股份有限公司 Scroll compressor capable of quickly relieving pressure

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