CN111749898B - Static disc of scroll compressor - Google Patents

Static disc of scroll compressor Download PDF

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Publication number
CN111749898B
CN111749898B CN202010641972.4A CN202010641972A CN111749898B CN 111749898 B CN111749898 B CN 111749898B CN 202010641972 A CN202010641972 A CN 202010641972A CN 111749898 B CN111749898 B CN 111749898B
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China
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disc
static
scroll
movable
fixed
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CN202010641972.4A
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CN111749898A (en
Inventor
宗孔
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Shandong Zhongcheng New Energy Co ltd
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Shandong Zhongcheng New Energy Co ltd
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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
    • F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
    • 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
    • F04C18/0215—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 where only one member is moving
    • 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
    • F04C29/06—Silencing
    • 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)
  • Applications Or Details Of Rotary Compressors (AREA)

Abstract

The invention discloses a scroll compressor, which relates to the technical field of scroll compressor manufacturing and comprises a fixed scroll, wherein the yielding gap between the upper end surface of a fixed disc connecting disc part of the fixed scroll and the lower end surface of a fixed disc seat is 0.05-0.1 mm, and the floating gap between the lower end surface of the fixed disc connecting disc part and the bottom surface of a positioning round hole of a machine shell is 0.01-0.03 mm; the upper end surface of the static disc connecting disc part is provided with a plurality of guide limit pins extending into the static disc seat. Compared with the prior art, the invention can solve the problems that the upper end surface of the movable vortex section of the movable vortex plate and the lower end surface of the fixed vortex section of the fixed vortex plate of the existing vortex compressor cannot automatically compensate the axial clearance after being worn, and the fixed vortex section of the fixed vortex plate and the movable vortex section of the movable vortex plate are extruded and broken due to excessive oil liquid or impurities.

Description

Static disc of scroll compressor
Technical Field
The invention relates to the technical field of scroll compressor manufacturing, in particular to a fixed scroll for a scroll compressor.
Background
The scroll compressor comprises a movable scroll and a fixed scroll in engaged connection with the movable scroll, wherein the fixed scroll comprises a fixed disc body, the fixed disc body is provided with a fixed disc connecting disc part and a fixed scroll profile part arranged on the fixed disc connecting disc part, and an air outlet hole is formed in the fixed disc connecting disc part; the movable scroll comprises a movable disc body, and the movable disc body is provided with a movable disc connecting part and a movable scroll profile part arranged on the movable disc connecting part; the fixed scroll is in screwed engagement with the movable scroll profile part of the movable scroll through the fixed scroll profile part; the movable disc connecting part of the movable scroll is arranged on an eccentric shaft part of a main shaft through a small movable scroll bearing, the main shaft is arranged on a bearing seat through a bearing seat bearing, and the bearing seat is fixedly arranged in the shell; the lower part of the fixed disc connecting disc part of the fixed scroll is inserted into the positioning circular hole of the machine shell, the upper end surface of the fixed disc connecting disc part of the fixed scroll is abutted against the lower end surface of the fixed disc seat, and the fixed disc connecting disc part of the fixed scroll is fixed on the fixed disc seat through a bolt; the static disc seat is connected with the shell through a bolt; the casing is provided with an air inlet at the lower end, and the static disc seat is provided with an air outlet at the upper end. During operation, oil gas enters a low-pressure cavity through an air inlet of the compressor, then enters a compression cavity in which a static vortex molded line part of the static vortex disc and a movable vortex molded line part of the movable vortex disc are in rotating connection and meshing with each other from the low-pressure cavity, compressed high-pressure gas and oil enter a high-pressure cavity formed by surrounding the static disc seat and the static vortex disc from an air outlet hole in a static disc connecting disc part of the static vortex disc, the high-pressure gas is directly discharged from an air outlet of the static disc seat, lubricating oil is formed after the oil collides with the inner wall of the static disc seat, and the lubricating oil returns to the low-pressure cavity through oil return holes in the static disc seat and the static vortex disc to lubricate a moving part. The scroll compressor has the following problems in use: 1. when the scroll compressor operates, the static scroll and the movable scroll are subjected to the resultant force action of high-pressure cavity pressure and low-pressure cavity pressure and are balanced in the action, when a certain instantaneous circulating system causes excessive oil amount or impurities in oil gas, the low-pressure cavity pressure is instantaneously greater than the high-pressure cavity pressure due to the fact that the oil cannot be compressed, and therefore the stress balance between the static scroll and the movable scroll is damaged, and moreover, because the static scroll connecting disc part of the static scroll is fixed and pressed by the static disc seat, the static scroll profile part of the static scroll and the movable scroll profile part of the movable scroll are easily broken due to the fact that the static scroll profile part and the movable scroll profile part are extruded by the excessive pressure on the low-pressure cavity side; 2. because the fixed plate connecting disc part of the fixed scroll is fixed and pressed by the fixed plate seat, after the upper end surface of the movable scroll profile part of the movable scroll and the lower end surface of the fixed scroll profile part of the fixed scroll are abraded, the axial clearance cannot be automatically compensated, the radial leakage is increased, the performance of the compressor is reduced, and the energy efficiency ratio is reduced.
Disclosure of Invention
The invention aims to provide a scroll compressor, which aims to solve the problem that the upper end surface of a movable scroll line part of a movable scroll and the lower end surface of a fixed scroll line part of a fixed scroll of the conventional scroll compressor cannot automatically compensate an axial clearance after being worn, and the fixed scroll line part of the fixed scroll and the movable scroll line part of the movable scroll are extruded and broken due to excessive oil amount or impurity contained in oil gas.
The technical scheme adopted by the invention for solving the technical problem is as follows: the scroll compressor comprises a static disc seat, a machine shell, a movable scroll and a static scroll, wherein the static scroll comprises a static disc body, the static disc body is provided with a static disc connecting disc part and a static scroll profile part arranged on the lower end surface of the static disc connecting disc part, and the static disc connecting disc part is inserted into a positioning circular hole of the machine shell; the movable scroll comprises a movable disc body, and the movable disc body is provided with a movable disc connecting part and a movable scroll profile part arranged on the upper end surface of the movable disc connecting part; the movable scroll is spirally engaged with the fixed scroll profile part of the fixed scroll through the movable scroll profile part, the movable scroll is in sliding contact with the lower end surface of the fixed scroll profile part of the fixed scroll through the bottom surface of the movable scroll profile part, the fixed scroll is in sliding contact with the upper end surface of the movable scroll profile part of the movable scroll through the bottom surface of the fixed scroll profile part, the depth L2 of the positioning round hole of the machine shell is greater than the height H2 of the fixed disc connecting disc part, and the positioning round hole of the machine shell is in clearance fit with the fixed disc connecting disc part; the yielding gap s1 between the upper end surface of the static disc connecting disc part and the lower end surface of the static disc seat is 0.05-0.1 mm, and the floating gap s2 between the lower end surface of the static disc connecting disc part and the bottom surface of the positioning round hole of the machine shell is 0.01-0.03 mm; the upper end face of the static disc connecting disc part is provided with a plurality of guide limit pins extending into the static disc seat, guide limit pin inserting holes are formed in the static disc seat and the static disc connecting disc part of the static vortex disc, and the guide limit pin inserting holes are in clearance fit with the guide limit pins; the upper end face of the static disc connecting disc part is provided with a guide cylindrical part extending into a central positioning hole of the static disc seat, the depth L1 of the central positioning hole of the static disc seat is greater than the depth L2 of a positioning round hole of the machine shell, and the central positioning hole of the static disc seat is in clearance fit with the guide cylindrical part of the static disc connecting disc part.
In the above technical solution of the scroll compressor, a more specific technical solution may be: the disc hole fit clearance r between the positioning round hole of the shell and the static disc connecting disc part is 0.095-0.105 mm; the fit clearance between the guide limiting pin insertion hole of the static disc seat and the guide limiting pin and the fit clearance between the guide limiting pin insertion hole of the static disc and the guide limiting pin are both pin hole fit clearances n, and the pin hole fit clearances n are 0.01-0.04 mm.
Further: a first sealing ring is arranged between the lower end face of the static disc seat and the upper end face of the machine shell, and the first sealing ring is arranged in an annular sealing groove in the upper end face of the machine shell; and a second sealing ring is arranged between the central positioning hole of the static disc seat and the guiding cylindrical part of the static disc connecting disc part, and the second sealing ring is arranged in a sealing ring groove on the side wall of the guiding cylindrical part of the static disc connecting disc part.
Further: the first sealing ring and the second sealing ring are O-shaped sealing rings.
Further: the number of the guide limit pins is three.
Further: the static disc seat is connected with the casing through a bolt, the lower end of the casing is provided with an air inlet, and the upper end of the static disc seat is provided with an air outlet.
The upper part of the invention refers to the exhaust direction of the exhaust port of the static disc seat.
Due to the adoption of the technical scheme, compared with the prior art, the invention has the following beneficial effects: 1. because the scroll compressor is provided with a plurality of guide limit pins extending into the static disc seat on the upper end surface of the static disc connecting disc part of the static scroll, the guide limit pins are in clearance fit with the insertion holes of the guide limit pins, and simultaneously, a floating clearance s2 between the lower end surface of the static disc connecting disc part of the static scroll and the bottom surface of the positioning round hole of the machine shell and a yielding clearance s1 between the upper end surface of the static disc connecting disc part of the static scroll and the lower end surface of the static disc seat are arranged, after the upper end surface of the movable scroll profile part of the movable scroll and the lower end surface of the static scroll profile part of the static scroll are worn, the static scroll profile part of the static scroll can automatically move downwards along the guide limit pins 3 under the action of high pressure cavity, so that the lower end surface of the static scroll profile part of the static scroll is abutted against the bottom surface of the movable scroll profile part of the movable scroll, the performance of the scroll compressor is ensured to be stable, thereby reducing the internal leakage of the compressor, vibration and noise, and convenient assembly; 2. when the compressor works, oil gas enters the low-pressure cavity through the air inlet of the compressor and then enters the compression cavity in which the static vortex molded line part of the static vortex disc and the movable vortex molded line part of the movable vortex disc are in screwed engagement, when a certain instant circulating system causes excessive oil liquid amount or impurities in the oil gas, the pressure of the low-pressure cavity is instantaneously greater than that of the high-pressure cavity, the static vortex disc and the movable vortex disc move upwards by a buffering amount under the action of the resultant force of the pressure of the low-pressure cavity and the pressure of the high-pressure cavity, the clearance s1 meets the requirement of the upward movement, the excessive pressure of the low-pressure cavity is released, the excessive oil liquid or impurities smoothly enter the high-pressure cavity under the action of the excessive pressure, the hidden danger that the static vortex molded line part of the static vortex disc and the movable vortex disc are broken by the excessive pressure on the side of the low-pressure cavity is avoided, and the excessive oil liquid and impurities in the compression cavity are prevented from being accumulated, the service life of the scroll compressor is prolonged; 3. the values of the back-off clearance and the float clearance are set to optimize the performance of the scroll compressor.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a partial enlarged view at II of fig. 1.
Fig. 3 is a cross-sectional view at a-a of fig. 1.
Fig. 4 is a schematic structural view of the stationary platen base of the present invention.
Fig. 5 is a schematic structural view of the stationary disk of the present invention.
Fig. 6 is a schematic structural diagram of the housing of the present invention.
Detailed Description
The invention is described in further detail below with reference to the accompanying drawings:
example 1:
the present invention is directed to the exhaust direction of the exhaust port 2-2 of the stationary plate holder as shown in fig. 1 and 4.
As shown in fig. 1, 2 and 3, the scroll compressor includes a fixed scroll base 2, a casing 9, an orbiting scroll 7 and a fixed scroll 6, wherein the lower end of the fixed scroll base 2 of the present embodiment is connected to the upper end of the casing 9 by six bolts 4; the fixed scroll 6 shown in fig. 5 includes a fixed disc body having a fixed disc land portion 6-2 and a fixed scroll profile portion 6-1 connected to a lower end of the fixed disc land portion 6-2; the movable scroll 7 comprises a movable disc body, the movable disc body is provided with a movable disc connecting part and a movable scroll profile part arranged at the upper end of the movable disc connecting part, the movable scroll 7 is arranged on the eccentric part of the main shaft 10 through a movable disc small bearing on the movable disc connecting part, and the main shaft 10 is arranged on the bearing seat 8 through a bearing seat; the movable scroll 7 of the present embodiment is in orbiting engagement with the fixed scroll profile 6-1 of the fixed scroll 6 via the movable scroll profile, and the movable scroll 7 is in sliding contact with the lower end face of the fixed scroll profile 6-1 of the fixed scroll 6 via the bottom surface of the movable scroll profile; the fixed scroll 6 is in sliding contact with the upper end surface of the movable scroll profile part of the movable scroll 7 through the bottom surface of the fixed scroll profile part 6-1; a fixed disk connecting disk part 6-2 of the fixed scroll 6 is inserted into a positioning round hole 9-1 at the upper end of the machine shell 9, and an air inlet is arranged at the lower end of the machine shell 9, as shown in fig. 6; in the embodiment, the depth L2 of the positioning circular hole 9-1 of the casing 9 is greater than the height H2 of the fixed disk connecting part 6-2 of the fixed scroll 6, and the positioning circular hole 9-1 of the casing 9 is in clearance fit with the fixed disk connecting part 6-2 of the fixed scroll 6; in this embodiment, a disc hole fit clearance r between the positioning circular hole 9-1 of the casing 9 and the fixed disc connecting disc portion 6-2 of the fixed scroll 6 is 0.095 mm; the clearance s1 between the upper end face of the fixed scroll disk portion 6-2 and the lower end face of the fixed disk seat 2 of the fixed scroll 6 of the present embodiment is 0.05 mm; the floating clearance s2 between the lower end face of the fixed disk connecting disk part 6-2 of the fixed scroll 6 and the bottom face of the positioning round hole 9-1 of the machine shell 9 is 0.01 mm; the upper end face of a static disc connecting disc part 6-2 of the static scroll 6 is provided with three guide limit pins 3 extending into the static disc seat 2, the lower end face of the static disc seat 2 is provided with guide limit pin inserting holes for inserting the upper parts of the guide limit pins 3, the upper end face of the static disc connecting disc part 6-2 of the static scroll 6 is provided with guide limit pin inserting holes for inserting the lower parts of the guide limit pins 3, and the two guide limit pin inserting holes are in clearance fit with the guide limit pins 3 as shown in FIG. 4; in the embodiment, a clearance between the guide limit pin insertion hole of the fixed disc seat 2 and the guide limit pin 3 and a clearance between the guide limit pin insertion hole of the fixed scroll 6 and the guide limit pin 3 are both pin hole fit clearances n, and the pin hole fit clearance n in the embodiment is 0.01 mm; the fixed disk connecting disk part 6-2 of the fixed scroll 6 of this embodiment is provided with a guide cylindrical part 6-2-1 extending into the center positioning hole 2-1 of the fixed disk seat 2 on the upper end face, the depth L1 of the center positioning hole 2-1 of the fixed disk seat 2 is greater than the height H1 of the guide cylindrical part 6-2-1 of the fixed disk connecting disk part 6-2 of the fixed scroll 6, and the center positioning hole 2-1 of the fixed disk seat 2 is in clearance fit with the guide cylindrical part 6-2-1 of the fixed disk connecting disk part 6-2 of the fixed scroll 6; a second sealing ring 1 is arranged between a central positioning hole 2-1 of the fixed disc seat 2 and a guide cylindrical part 6-2-1 of a fixed disc connecting disc part 6-2 of the fixed scroll 6, the second sealing ring 1 is arranged in a sealing annular groove on the side wall of the guide cylindrical part 6-2-1 of the fixed disc connecting disc part 6-2 of the fixed scroll 6, and the second sealing ring 1 is an O-shaped sealing ring; the depth L1 of the central positioning hole 2-1 of the static disc seat 2 of the embodiment is larger than the depth L2 of the positioning round hole 9-1 of the machine shell 9; a first sealing ring 5 is arranged between the lower end face of the static disc seat 2 and the upper end face of the machine shell 9, the first sealing ring 5 is arranged in an annular sealing groove on the upper end face of the machine shell 9, and the first sealing ring 5 is an O-shaped sealing ring; the upper end of the static disc seat 2 is provided with an exhaust port 2-1.
Example 2:
the clearance s1 between the upper end face of the fixed scroll disk portion 6-2 and the lower end face of the fixed disk seat 2 of the fixed scroll 6 of the present embodiment is 0.1 mm; the floating clearance s2 between the lower end face of the fixed disk connecting disk part 6-2 of the fixed scroll 6 and the bottom face of the positioning round hole 9-1 of the machine shell 9 is 0.03 mm; the pin hole fit clearance n is 0.04 mm; the disc hole fit clearance r between the positioning round hole 9-1 of the machine shell 9 and the fixed disc connecting disc part 6-2 of the fixed scroll 6 is 0.105 mm; other features are the same as those of embodiment 1.
When the compressor works, oil gas enters the low-pressure cavity through the air inlet of the compressor and then enters the compression cavity in which the static vortex molded line part of the static vortex disc and the movable vortex molded line part of the movable vortex disc are in screwed engagement, when a certain instant circulating system causes excessive oil liquid amount or impurities in the oil gas, the pressure of the low-pressure cavity is instantaneously greater than that of the high-pressure cavity, the static vortex disc and the movable vortex disc move upwards by a buffering amount under the action of the resultant force of the pressure of the low-pressure cavity and the pressure of the high-pressure cavity, the clearance s1 meets the requirement of the upward movement, the excessive pressure of the low-pressure cavity is released, the excessive oil liquid or impurities smoothly enter the high-pressure cavity under the action of the excessive pressure, the hidden danger that the static vortex molded line part of the static vortex disc and the movable vortex disc are broken by the excessive pressure on the side of the low-pressure cavity is avoided, and the excessive oil liquid and impurities in the compression cavity are prevented from being accumulated, the service life of the scroll compressor is prolonged; and because the scroll compressor is provided with a plurality of guide limit pins extending into the static disc seat on the upper end surface of the static disc connecting disc part of the static scroll, the guide limit pins are in clearance fit with the insertion holes of the guide limit pins, and a floating clearance s2 between the lower end surface of the static disc connecting disc part of the static scroll and the bottom surface of the positioning round hole of the machine shell and a yielding clearance s1 between the upper end surface of the static disc connecting disc part of the static scroll and the lower end surface of the static disc seat are arranged at the same time, after the upper end surface of the movable scroll profile part of the movable scroll and the lower end surface of the static scroll profile part of the static scroll are worn, the static scroll profile part of the static scroll can automatically move downwards along the guide limit pins 3 under the action of high pressure cavity, so that the lower end surface of the static scroll profile part of the static scroll is abutted against the bottom surface of the movable scroll profile part of the movable scroll, thereby ensuring stable performance of the scroll compressor and reducing internal leakage of the compressor, vibration and noise, and convenient assembly.

Claims (6)

1. A scroll compressor comprises a static disc seat, a machine shell, a movable scroll and a static scroll, wherein the static scroll comprises a static disc body, the static disc body is provided with a static disc connecting disc part and a static scroll profile part arranged on the lower end face of the static disc connecting disc part, and the static disc connecting disc part is inserted into a positioning circular hole of the machine shell; the movable scroll comprises a movable disc body, and the movable disc body is provided with a movable disc connecting part and a movable scroll profile part arranged on the upper end surface of the movable disc connecting part; the movable scroll is spirally engaged with the fixed scroll profile of the fixed scroll through the movable scroll profile, the movable scroll is in sliding contact with the lower end surface of the fixed scroll profile of the fixed scroll through the bottom surface of the movable scroll profile, and the fixed scroll is in sliding contact with the upper end surface of the movable scroll profile of the movable scroll through the bottom surface of the fixed scroll profile, characterized in that: the depth (L2) of the positioning round hole of the machine shell is greater than the height (H2) of the static disc connecting disc part, and the positioning round hole of the machine shell is in clearance fit with the static disc connecting disc part; the yielding gap (s 1) between the upper end surface of the static disc connecting disc part and the lower end surface of the static disc seat is 0.05 mm-0.1 mm, and the floating gap (s 2) between the lower end surface of the static disc connecting disc part and the bottom surface of the positioning round hole of the machine shell is 0.01 mm-0.03 mm; the upper end face of the static disc connecting disc part is provided with a plurality of guide limit pins extending into the static disc seat, guide limit pin inserting holes are formed in the static disc seat and the static disc connecting disc part of the static vortex disc, and the guide limit pin inserting holes are in clearance fit with the guide limit pins; the upper end face of the static disc connecting disc part is provided with a guide cylindrical part extending into a central positioning hole of the static disc seat, the depth (L1) of the central positioning hole of the static disc seat is greater than the depth (L2) of a positioning round hole of the casing, and the central positioning hole of the static disc seat is in clearance fit with the guide cylindrical part of the static disc connecting disc part.
2. The scroll compressor of claim 1, wherein: the disc hole fit clearance (r) between the positioning round hole of the shell and the static disc connecting disc part is 0.095 mm-0.105 mm; the fit clearance between the guide limiting pin insertion hole of the static disc seat and the guide limiting pin and the fit clearance between the guide limiting pin insertion hole of the static disc and the guide limiting pin are both pin hole fit clearances (n), and the pin hole fit clearances (n) are 0.01-0.04 mm.
3. The scroll compressor of claim 1 or 2, wherein: a first sealing ring is arranged between the lower end face of the static disc seat and the upper end face of the machine shell, and the first sealing ring is arranged in an annular sealing groove in the upper end face of the machine shell; and a second sealing ring is arranged between the central positioning hole of the static disc seat and the guiding cylindrical part of the static disc connecting disc part, and the second sealing ring is arranged in a sealing ring groove on the side wall of the guiding cylindrical part of the static disc connecting disc part.
4. The scroll compressor of claim 3, wherein: the first sealing ring and the second sealing ring are O-shaped sealing rings.
5. The scroll compressor of claim 3, wherein: the number of the guide limit pins is three.
6. The scroll compressor of claim 4, wherein: the static disc seat is connected with the casing through a bolt, the lower end of the casing is provided with an air inlet, and the upper end of the static disc seat is provided with an air outlet.
CN202010641972.4A 2020-07-06 2020-07-06 Static disc of scroll compressor Active CN111749898B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010641972.4A CN111749898B (en) 2020-07-06 2020-07-06 Static disc of scroll compressor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010641972.4A CN111749898B (en) 2020-07-06 2020-07-06 Static disc of scroll compressor

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Publication Number Publication Date
CN111749898A CN111749898A (en) 2020-10-09
CN111749898B true CN111749898B (en) 2022-03-22

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101614205A (en) * 2009-07-15 2009-12-30 大连三洋压缩机有限公司 A kind of scroll compressor
CN102330683A (en) * 2011-10-20 2012-01-25 南京奥特佳冷机有限公司 Scroll compressor with high wear-resistant apron pin structure
CN102817842A (en) * 2011-06-09 2012-12-12 上海日立电器有限公司 Novel vortex compressor
JP2014125957A (en) * 2012-12-26 2014-07-07 Toyota Industries Corp Scroll type compressor
CN209228615U (en) * 2018-11-19 2019-08-09 广西冷特涡旋压缩机有限公司 Electric scroll compressor
CN214247682U (en) * 2020-12-03 2021-09-21 珠海格力节能环保制冷技术研究中心有限公司 Compressor and air conditioner

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101614205A (en) * 2009-07-15 2009-12-30 大连三洋压缩机有限公司 A kind of scroll compressor
CN102817842A (en) * 2011-06-09 2012-12-12 上海日立电器有限公司 Novel vortex compressor
CN102330683A (en) * 2011-10-20 2012-01-25 南京奥特佳冷机有限公司 Scroll compressor with high wear-resistant apron pin structure
JP2014125957A (en) * 2012-12-26 2014-07-07 Toyota Industries Corp Scroll type compressor
CN209228615U (en) * 2018-11-19 2019-08-09 广西冷特涡旋压缩机有限公司 Electric scroll compressor
CN214247682U (en) * 2020-12-03 2021-09-21 珠海格力节能环保制冷技术研究中心有限公司 Compressor and air conditioner

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