WO2019061899A1 - 泵体组件及具有其的压缩机 - Google Patents

泵体组件及具有其的压缩机 Download PDF

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Publication number
WO2019061899A1
WO2019061899A1 PCT/CN2017/118332 CN2017118332W WO2019061899A1 WO 2019061899 A1 WO2019061899 A1 WO 2019061899A1 CN 2017118332 W CN2017118332 W CN 2017118332W WO 2019061899 A1 WO2019061899 A1 WO 2019061899A1
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WIPO (PCT)
Prior art keywords
pump body
cylinder
body assembly
structural member
wear
Prior art date
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PCT/CN2017/118332
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English (en)
French (fr)
Inventor
黄辉
胡余生
吴飞
徐嘉
万鹏凯
任丽萍
罗发游
Original Assignee
珠海格力节能环保制冷技术研究中心有限公司
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Publication of WO2019061899A1 publication Critical patent/WO2019061899A1/zh

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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
    • F04C18/30—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
    • F04C18/34—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members
    • F04C18/344—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member
    • 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
    • F04C2240/00—Components
    • F04C2240/80—Other components
    • F04C2240/801—Wear plates

Definitions

  • the present invention relates to the field of compressor technology, and in particular to a pump body assembly and a compressor therewith.
  • the suction and exhaust structure of the conventional rotary vane compressor is arranged on the side of the cylinder, but the wear of the sliding head and the inner wall of the cylinder is serious, resulting in a large mechanical power consumption of the compressor, and the overall energy efficiency is poor. Causes reliability problems such as abnormal wear.
  • a rolling body and an inner ring are added to the inner wall of the cylinder to form a bearing type cylinder, so that the sliding motion between the slider head and the inner wall of the inner ring is converted into the inner ring and the rolling.
  • the rolling motion between the bodies thereby reducing the mechanical power consumption of the pump body assembly, improves the energy efficiency of the compressor.
  • the end face (the thrust face) of the rotor portion of the main body of the pump body assembly of this type is generally relatively large in the rotor portion with respect to the rotor type pump body assembly and the like, and is a large-face thrust.
  • a primary object of the present invention is to provide a pump body assembly and a compressor therewith for solving the problem that the internal structure of the pump body assembly is prone to wear and the reliability of the pump body assembly is lowered.
  • a pump body assembly comprising: a structural member having two structural members; a cylinder disposed between the two structural members; and a rotating shaft passing through the two structural members And a cylinder, and the rotor portion of the rotating shaft has a plurality of sliding vanes; a plurality of sliding sheets slidably correspondingly disposed in the plurality of sliding vanes; at least one anti-friction structure, at least one structural member and the cylinder are provided with a reduction
  • the structure is ground to prevent contact friction between the cylinder, the rotor portion, and the plurality of sliding sheets and the structural member.
  • the structural member is an upper flange or a lower flange.
  • the anti-friction structure is a plate-like structure, and the orthographic projection of the anti-friction structure on the cylinder coincides with the orthographic projection of the structural member adjacent thereto on the cylinder.
  • friction reducing structure and the structural member are connected by a fastener.
  • the friction reducing structure is provided with a connecting through hole, and the fastener is connected to the structural member through the connecting through hole.
  • the wear reducing structure has a connecting lug, and the connecting lug is provided with a connecting through hole.
  • the structural member is provided with a plurality of structural member connecting holes, and the connecting through holes are plural, and the plurality of connecting through holes are disposed in one-to-one correspondence with the plurality of structural member connecting holes.
  • the wear reducing structure is made of a stainless steel material.
  • the wear reduction structure is made of martensitic chrome steel and/or martensitic stainless steel strip.
  • a compressor including the pump body assembly described above.
  • the pump body assembly includes a structural member, a cylinder, a rotating shaft, a plurality of sliding sheets and at least one anti-friction structure.
  • the structural parts are two.
  • the cylinder is placed between the two structural members.
  • the rotating shaft passes through the two structural members and the cylinder, and the rotor portion of the rotating shaft has a plurality of sliding vanes.
  • a plurality of sliders are slidably disposed correspondingly in the plurality of slider slots.
  • a wear reducing structure is disposed between the at least one structural member and the cylinder to prevent contact friction between the cylinder, the rotor portion, and the plurality of sliding sheets and the structural member.
  • the anti-friction structure is disposed between the cylinder and the structural body such that the cylinder, the rotor portion and the plurality of sliding pieces do not directly contact the two structural members.
  • the anti-friction structure disposed between the structural member and the cylinder prevents direct contact between the cylinder, the rotor portion and the plurality of sliding pieces and the structural member, thereby preventing the cylinder, the rotor portion and the plurality of sliding pieces from being
  • the structural members rub against each other and cause the pump assembly to be worn.
  • the pump body assembly of the present application can prevent wear between the cylinder, the rotor portion and the plurality of sliding sheets and the structural member, prolonging the service life of the structural member, the cylinder, the rotating shaft and the sliding piece, and further prolonging the pump body assembly.
  • the service life improves the operational reliability of the pump body assembly and improves the performance of the pump body components.
  • Figure 1 shows an exploded perspective view of an embodiment of a pump body assembly in accordance with the present invention
  • Figure 2 is a perspective view showing the structure of the rotating shaft of the pump body assembly of Figure 1;
  • Figure 3 shows a bottom view of the upper flange of the pump body assembly of Figure 1;
  • Figure 4 is a plan view showing the wear-reducing structure between the upper flange and the cylinder of the pump body assembly of Figure 1;
  • Figure 5 shows a plan view of the lower flange of the pump body assembly of Figure 1;
  • Figure 6 is a plan view showing the wear-reducing structure between the lower flange and the cylinder of the pump body assembly of Figure 1;
  • Figure 7 is a cross-sectional view showing the cylinder of the pump body assembly of Figure 1;
  • Figure 8 shows a cross-sectional view of an embodiment of a compressor in accordance with the present invention.
  • orientation words used such as “up and down”, are generally referred to in the directions shown in the drawings, or in the vertical, vertical or gravity directions, without being otherwise described.
  • “left and right” are generally for the left and right as shown in the drawing; “inside and outside” refer to the inside and outside of the contour of each component, but the above orientation Words are not intended to limit the invention.
  • the present application provides a pump body assembly and a compressor therewith.
  • the pump body assembly includes a structural member, a cylinder 20, a rotating shaft 30, a plurality of slides 40, and at least one wear reducing structure 120.
  • the structural parts are two.
  • the cylinder 20 is disposed between the two structural members.
  • the rotating shaft 30 passes through the two structural members and the cylinder 20, and the rotor portion 31 of the rotating shaft 30 has a plurality of slider grooves 311.
  • the plurality of sliders 40 are slidably disposed correspondingly in the plurality of slider grooves 311.
  • a wear reducing structure 120 is disposed between the at least one structural member and the cylinder 20 to prevent contact friction between the cylinder 20, the rotor portion 31, and the plurality of sliders 40 and the structural member.
  • the wear reducing structure 120 is disposed between the cylinder 20 and the structure such that the cylinder 20, the rotor portion 31, and the plurality of sliders 40 do not directly contact the two structural members.
  • the anti-friction structure 120 disposed between the structural member and the cylinder 20 can prevent the cylinder 20, the rotor portion 31 and the plurality of sliding plates 40 from directly contacting the structural member, thereby preventing the cylinder 20 and the rotor portion. 31 and the plurality of slides 40 and the structural members rub against each other to cause the pump assembly to be worn.
  • the pump body assembly of the present embodiment can prevent wear between the cylinder 20, the rotor portion 31, and the plurality of sliding sheets 40 and the structural member, and prolong the service life of the structural member, the cylinder 20, the rotating shaft 30, and the sliding piece 40.
  • the service life of the pump body assembly is further extended, thereby improving the working reliability of the pump body assembly and improving the performance of the pump body assembly.
  • the setting of the anti-friction structure 120 can reduce the degree of wear of the pump body assembly, and can also improve the working performance of the pump body assembly to a certain extent, especially under the heavy working condition of the pump body assembly. Improve the performance of the pump body assembly.
  • the structural member is an upper flange 13 or a lower flange 14.
  • the two structural members are an upper flange 13 and a lower flange 14, respectively, that is, the cylinder 20 is disposed between the upper flange 13 and the lower flange 14, and the upper flange 13 and A friction reducing structure 120 is disposed between the lower flange 14 and the cylinder 20 to prevent contact friction between the cylinder 20, the rotor portion 31 and the plurality of sliding plates 40 and the upper flange 13 and the lower flange 14, so that the prior art
  • the direct contact between the cylinder 20, the rotor portion 31 and the plurality of slides 40 and the upper flange 13 and the lower flange 14 becomes direct contact between the wear reducing structure 120 and the upper flange 13 and the lower flange 14, or It becomes a direct contact between the wear reducing structure 120 and the cylinder 20, the rotor portion 31, and the plurality of sliders 40.
  • the friction reducing structure 120 Since the friction reducing structure 120 has a good anti-friction effect, the friction between the cylinder 20, the rotor portion 31 and the plurality of sliding sheets 40 and the upper flange 13 and the lower flange 14 is reduced, thereby extending the upper flange 13
  • the service life of the lower flange 14, the cylinder 20, the rotating shaft 30 and the sliding plate 40 improves the working reliability of the pump body assembly.
  • the wear reduction structure is only disposed between the upper flange and the cylinder.
  • the above arrangement can prevent the friction between the upper end surface of the cylinder, the rotor portion and the plurality of sliding sheets and the upper flange, thereby prolonging the service life of the upper flange, the cylinder, the rotating shaft and the sliding piece, and improving the working reliability of the pump body assembly. Improve the performance of the pump body assembly.
  • the wear reduction structure is only disposed between the lower flange and the cylinder.
  • the above arrangement can prevent the friction between the lower end surface of the cylinder, the rotor portion and the plurality of sliding sheets and the lower flange, thereby prolonging the service life of the lower flange, the cylinder, the rotating shaft and the sliding piece, and improving the working reliability of the pump body assembly. Improve the performance of the pump body assembly.
  • the cylinder 20 is a bearing type cylinder
  • the bearing type cylinder includes an outer ring 24 and an inner ring 25 disposed in the outer ring 24, and the rotor portion 31 of the rotating shaft 30 is disposed in the inner ring 25.
  • the motor assembly 70 drives the rotating shaft 30 to rotate, and the sliding piece 40 protrudes from the sliding groove 311 under the centrifugal force of the rotor portion 31, and is in contact with the inner wall surface of the inner ring 25 of the bearing type cylinder.
  • the slider 40 starts to reciprocate in the slider groove 311, and the head of the slider 40 comes into contact with the inner wall surface of the inner ring 25 of the bearing cylinder, and drives the inner ring 25 to rotate.
  • the three sliding pieces 40 and the inner ring 25 divide the entire crescent cavity into three independent chambers, and the three chambers are periodically enlarged and contracted to realize the suction and exhaust of the pump body assembly.
  • the sliding plate 40 and the sliding groove 311 form a closed space, that is, the sliding back pressure chamber, and the sliding back pressure chamber also has three, and periodically expands with the operation of the pump assembly. And shrinking.
  • the wear reducing structure 120 of the present embodiment can reduce the friction between the inner ring 25 of the bearing cylinder, the rotor portion 31 and the sliding plate 40 and the upper flange 13 and the lower flange 14, thereby extending the upper flange. 13.
  • the service life of the lower flange 14, the cylinder 20, the rotating shaft 30 and the sliding plate 40 improves the working reliability of the pump body assembly.
  • the wear reduction structure 120 is a plate-like structure, and the orthographic projection of the wear-reducing structure 120 on the cylinder 20 coincides with the orthographic projection of the structural member adjacent thereto on the cylinder 20.
  • the above arrangement can ensure that the shape of the wear-reducing structure 120 coincides with the end faces of the upper flange 13 and the lower flange 14 close to the cylinder 20, so that the wear-reducing structure 120 can be better positioned and fixed.
  • the shape and size of the two anti-friction structures 120 are designed for the size and shape of the end faces of the upper flange 13 and the lower flange 14, respectively, to avoid the screw holes and the exhaust ports and the shafts of the upper and lower flanges.
  • a hole or the like allows the wear-reducing structure 120 to be fitted to the upper and lower flange end faces.
  • the structure of the anti-friction structure 120 is not limited thereto, as long as the cylinder 20, the rotor portion 31, and the plurality of sliding sheets 40 can be surely rubbed against the wear-reducing structure 120.
  • the wear reducing structure 120 is a sheet-like structure. The above arrangement not only ensures the wear reducing effect of the wear reducing structure 120, but also makes the structure of the pump body assembly more compact.
  • the wear reduction structure 120 is coupled to the structural member by fasteners 140.
  • the above arrangement makes the replacement of the wear-reducing structure 120 and its assembly with the structural member easier, reducing the labor intensity of the worker.
  • the fastener 140 is a bolt. Bolts are standard and reduce the cost of machining the pump components.
  • the structure of the fastener 140 is not limited thereto as long as the mounting or dismounting of the wear reducing structure 120 is made easier.
  • the fastener 140 is a locating pin.
  • the wear-reducing structure 120 is provided with a connecting through-hole 121, and the fastener 140 is connected to the structural member through the connecting through-hole 121.
  • the fastener 140 passes through the connecting through hole 121 and is fixed on the upper and lower flanges, so that the wear-reducing structure 120 and the upper The lower flange is in close contact to ensure that no relative movement between the wear-reducing structure 120 and the upper and lower flanges occurs.
  • the above arrangement makes it more convenient and quick for the worker to install or disassemble the friction reducing structure 120, thereby shortening the assembly time of the worker and reducing the labor intensity.
  • the wear reducing structure 120 has a connecting lug 122, and the connecting lug 122 is provided with a connecting through hole 121.
  • the fasteners 140 are fixed to the upper and lower flanges through the connecting through holes 121 provided on the connecting lugs 122, and the friction reducing structure 120 is connected to the upper and lower flanges through the connecting lugs 122 to ensure
  • the fastener 140 is not provided on the contact surface of the friction reducing structure 120 with the cylinder 20, the rotor portion 31, and the plurality of sliding sheets 40, and the connecting through hole 121 is not provided to affect the structural strength of the friction reducing structure 120.
  • the above arrangement can ensure that the wear-reducing structure 120 does not affect the normal operation of the pump body assembly, and can also ensure the structural strength of the wear-reducing structure 120, thereby extending the service life of the wear-reducing structure 120.
  • the structural member is provided with a plurality of structural member connecting holes 15 , and the connecting through holes 121 are plural, and the plurality of connecting through holes 121 are disposed in one-to-one correspondence with the plurality of structural member connecting holes 15 .
  • each structural member is respectively provided with two structural member connecting holes 15, two connecting through holes 121, and two connecting through holes 121 are corresponding to the two structural member connecting holes 15 Ground setting.
  • the wear reducing structure 120 is made of a stainless steel material.
  • the stainless steel material has the advantages of wear resistance, wear reduction, and high hardness, and can reduce the friction between the wear-reducing structure 120 and the cylinder 20, the rotor portion 31, and the sliding piece 40, thereby improving the cylinder 20, the rotor portion 31, and the sliding piece 40.
  • the wear condition prolongs its service life.
  • the inner ring 25 of the bearing type cylinder is formed by heat treatment of the bearing steel, so that the inner ring 25 has a large surface hardness and good wear resistance.
  • the upper flange 13 and the lower flange 14 are made of cast iron.
  • the upper flange 13 and the lower flange 14 are provided with the wear-reducing structure 120, so that the direct contact friction between the inner ring 25, the rotor portion 31 and the plurality of sliding sheets 40 and the upper and lower flanges is converted into the inner ring 25 and the rotor portion. 31 and the friction between the slider 40 and the wear reducing structure 120.
  • the friction reducing structure 120 Since the friction reducing structure 120 has a small friction coefficient, the friction between the inner ring 25, the rotor portion 31 and the sliding piece 40 and the anti-friction structure 120 is reduced, thereby reducing the inner ring 25, the rotor portion 31, and the sliding.
  • the wear of the sheet 40, the upper flange 13 and the lower flange 14 prolongs the service life.
  • both of the wear reducing structures 120 are made of martensitic chrome steel.
  • Martensitic chrome steel (Sandvik Hiflex) has good wear and wear resistance and high hardness, which can improve the wear of pump components.
  • the two wear-reducing structures 120 made of martensitic chrome steel can be effectively reduced. At least 1/3 of the friction reduces the mechanical energy consumption of the pump body assembly, prolongs the service life of the pump body assembly, and improves the operational reliability of the pump body assembly.
  • both of the wear reducing structures 120 are made of a martensitic stainless steel strip.
  • one wear reducing structure 120 is made of martensitic chrome steel and the other wear reducing structure 120 is made of martensitic stainless steel strip.
  • the martensitic stainless steel strip (Sandvik 7C27Mo2) has good wear-reducing and wear-resisting effects and high hardness, which can improve the wear of the pump components.
  • the material used for the anti-friction structure 120 is not limited thereto, as long as it has a good anti-friction effect and a small friction coefficient.
  • the present application also provides a compressor including the above described pump body assembly.
  • the compressor is a vane compressor.
  • the compressor includes a dispenser component 50, a housing assembly 60, a motor assembly 70, a pump body assembly 80, an upper cover assembly 90 and a lower cover, and a mounting plate 100.
  • the dispenser member 50 is disposed outside the housing assembly 60
  • the upper cover assembly 90 is assembled at the upper end of the housing assembly 60
  • the lower cover and mounting plate 100 are assembled at the lower end of the housing assembly 60
  • the components 80 are all located inside the housing assembly 60 and the motor assembly 70 is disposed above the pump body assembly 80.
  • the pump body assembly 80 of the compressor includes the upper flange 13, the lower flange 14, the cylinder 20, the rotating shaft 30, the wear reducing structure 120, and the fastener 140 described above.
  • the center line of the bearing cylinder in the axial direction coincides with the center line of the inner ring 25.
  • the pressure of each cavity divided by the slider 40 is different, and the cavity between the inner ring 25 and the outer ring 24 is always a high pressure state refrigerator oil and refrigerant composition.
  • the bearing type cylinder itself has a play, so the inner ring 25 is tilted during high-speed rotation. After the inner ring 25 is inclined, the upper and lower end faces of the inner ring 25 can be in contact with the wear reducing structure 120.
  • the wear reducing structure 120 can also be in contact with the upper and lower end faces of the rotor portion 31 and the upper and lower end faces of the plurality of sliders 40. Since the wear-reducing structure 120 has a better anti-friction effect, the energy loss of the compressor can be reduced, and the working performance of the compressor can be improved.
  • the anti-friction structure is disposed between the cylinder and the structural body such that the cylinder, the rotor portion and the plurality of sliding pieces do not directly contact the two structural members.
  • the anti-friction structure disposed between the structural member and the cylinder prevents direct contact between the cylinder, the rotor portion and the plurality of sliding pieces and the structural member, thereby preventing the cylinder, the rotor portion and the plurality of sliding pieces from being
  • the structural members rub against each other and cause the pump assembly to be worn.
  • the pump body assembly of the present application can prevent wear between the cylinder, the rotor portion and the plurality of sliding sheets and the structural member, prolonging the service life of the structural member, the cylinder, the rotating shaft and the sliding piece, and further prolonging the pump body assembly.
  • the service life improves the operational reliability of the pump body assembly and improves the performance of the pump body components.

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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

一种泵体组件及具有其的压缩机，泵体组件包括：两个结构件；气缸（20），设置在两个结构件之间；转轴（30），穿过两个结构件及气缸（20），且转轴（30）的转子部（31）具有多个滑片槽（311）；多个滑片（40），可滑动地对应设置在多个滑片槽（311）内；至少一个减磨结构（120），至少一个结构件与气缸（20）之间设置有减磨结构（120），以防止气缸（20）、转子部（31）及多个滑片（40）与结构件之间接触摩擦。

Description

泵体组件及具有其的压缩机 技术领域
本发明涉及压缩机技术领域，具体而言，涉及一种泵体组件及具有其的压缩机。
背景技术
传统旋叶式压缩机吸气和排气结构布置在气缸的侧面，但由于滑片头部与气缸内壁的磨损较为严重，造成压缩机的机械功耗偏大，整体能效较差，严重时甚至引起异常磨损等可靠性问题。
在现有技术中，为了解决上述问题，在气缸内壁增加滚动体和内圈(类似滚子)形成轴承式气缸，使得滑片头部与内圈内壁之间的滑动运动转换为内圈与滚动体之间的滚动运动，进而降低泵体组件的机械功耗，提高了压缩机能效。此种类型泵体组件主轴的转子部的端面(止推面)相对于转子式泵体组件等机型而言，通常转子部相对较大，属于大面止推。
然而，在泵体组件运行过程中，上述结构虽然降低了滑片头部的摩擦功耗，但由于内圈与法兰之间存在轴向间隙，且转轴转子部的两端面及滑片两端面与法兰直接接触摩擦，导致内圈、转轴的转子部及滑片发生磨损，降低泵体组件的可靠性，且磨损后导致的气体泄漏也会降低压缩机性能。
发明内容
本发明的主要目的在于提供一种泵体组件及具有其的压缩机，以解决现有技术中泵体组件的内部结构易发生磨损而导致泵体组件的可靠性降低的问题。
为了实现上述目的，根据本发明的一个方面，提供了一种泵体组件，包括：结构件，结构件为两个；气缸，设置在两个结构件之间；转轴，穿过两个结构件及气缸，且转轴的转子部具有多个滑片槽；多个滑片，可滑动地对应设置在多个滑片槽内；至少一个减磨结构，至少一个结构件与气缸之间设置有减磨结构，以防止气缸、转子部及多个滑片与结构件之间接触摩擦。
进一步地，结构件为上法兰或下法兰。
进一步地，减磨结构为板状结构，且减磨结构在气缸上的正投影与与其相邻的结构件在气缸上的正投影相重合。
进一步地，减磨结构与结构件通过紧固件连接。
进一步地，减磨结构上设置有连接通孔，紧固件穿过连接通孔后连接在结构件上。
进一步地，减磨结构具有连接凸耳，连接凸耳上设置有连接通孔。
进一步地，结构件上设置有多个结构件连接孔，连接通孔为多个，且多个连接通孔与多个结构件连接孔一一对应地设置。
进一步地，减磨结构由不锈钢材料制成。
进一步地，减磨结构由马氏体铬钢和/或马氏体不锈钢带制成。
根据本发明的另一方面，提供了一种压缩机，包括上述的泵体组件。
应用本发明的技术方案，泵体组件包括结构件、气缸、转轴、多个滑片及至少一个减磨结构。其中，结构件为两个。气缸设置在两个结构件之间。转轴穿过两个结构件及气缸，且转轴的转子部具有多个滑片槽。多个滑片可滑动地对应设置在多个滑片槽内。至少一个结构件与气缸之间设置有减磨结构，以防止气缸、转子部及多个滑片与结构件之间接触摩擦。这样，减磨结构设置在气缸与结构体之间，使得气缸、转子部及多个滑片均不会与两个结构件发生直接接触摩擦。
在泵体组件运行过程中，设置在结构件与气缸之间的减磨结构能够防止气缸、转子部及多个滑片与结构件发生直接接触，进而防止气缸、转子部及多个滑片与结构件发生相互摩擦而导致泵体组件被磨损。这样，本申请中的泵体组件能够防止气缸、转子部及多个滑片与结构件之间发生磨损，延长了结构件、气缸、转轴及滑片的使用寿命，进一步延长了泵体组件的使用寿命，进而提高泵体组件的工作可靠性，提升泵体组件的性能。
附图说明
构成本申请的一部分的说明书附图用来提供对本发明的进一步理解，本发明的示意性实施例及其说明用于解释本发明，并不构成对本发明的不当限定。在附图中：
图1示出了根据本发明的泵体组件的实施例的分解结构示意图；
图2示出了图1中的泵体组件的转轴的立体结构示意图；
图3示出了图1中的泵体组件的上法兰的仰视图；
图4示出了图1中的泵体组件的设置上法兰与气缸之间的减磨结构的俯视图；
图5示出了图1中的泵体组件的下法兰的俯视图；
图6示出了图1中的泵体组件的设置下法兰与气缸之间的减磨结构的俯视；
图7示出了图1中的泵体组件的气缸的剖视图；以及
图8示出了根据本发明的压缩机的实施例的剖视图。
其中，上述附图包括以下附图标记：
13、上法兰；14、下法兰；15、结构件连接孔；20、气缸；24、外圈；25、内圈；30、转轴；31、转子部；311、滑片槽；40、滑片；50、分液器部件；60、壳体组件；70、电机组件；80、泵体组件；90、上盖组件；100、下盖及安装板；120、减磨结构；121、连接通孔；122、连接凸耳；140、紧固件。
具体实施方式
需要说明的是，在不冲突的情况下，本申请中的实施例及实施例中的特征可以相互组合。下面将参考附图并结合实施例来详细说明本发明。
需要指出的是，除非另有指明，本申请使用的所有技术和科学术语具有与本申请所属技术领域的普通技术人员通常理解的相同含义。
在本发明中，在未作相反说明的情况下，使用的方位词如“上、下”通常是针对附图所示的方向而言的，或者是针对竖直、垂直或重力方向上而言的；同样地，为便于理解和描述，“左、右”通常是针对附图所示的左、右；“内、外”是指相对于各部件本身的轮廓的内、外，但上述方位词并不用于限制本发明。
为了解决现有技术中泵体组件的内部结构易发生磨损而导致泵体组件的可靠性降低的问题，本申请提供了一种泵体组件及具有其的压缩机。
如图1和图2所示，泵体组件包括结构件、气缸20、转轴30、多个滑片40及至少一个减磨结构120。其中，结构件为两个。气缸20设置在两个结构件之间。转轴30穿过两个结构件及气缸20，且转轴30的转子部31具有多个滑片槽311。多个滑片40可滑动地对应设置在多个滑片槽311内。至少一个结构件与气缸20之间设置有减磨结构120，以防止气缸20、转子部31及多个滑片40与结构件之间接触摩擦。
减磨结构120设置在气缸20与结构体之间，使得气缸20、转子部31及多个滑片40均不会与两个结构件发生直接接触摩擦。在泵体组件运行过程中，设置在结构件与气缸20之间的减磨结构120能够防止气缸20、转子部31及多个滑片40与结构件发生直接接触，进而防止气缸20、转子部31及多个滑片40与结构件发生相互摩擦而导致泵体组件被磨损。这样，本实施例中的泵体组件能够防止气缸20、转子部31及多个滑片40与结构件之间发生磨损，延长了结构件、气缸20、转轴30及滑片40的使用寿命，进一步延长了泵体组件的使用寿命，进而提高泵体组件的工作可靠性，提升泵体组件的性能。
在本实施例中，减磨结构120的设置能够降低泵体组件的磨损程度，也能够一定程度的提升泵体组件的工作性能，尤其在对泵体组件的重工况条件下，能较为明显的提升泵体组件的性能。
可选地，结构件为上法兰13或下法兰14。如图1所示，在本实施例中，两个结构件分别为上法兰13和下法兰14，即气缸20设置在上法兰13和下法兰14之间，上法兰13和下法兰14与气缸20之间设置有减磨结构120，以防止气缸20、转子部31及多个滑片40与上法兰 13和下法兰14之间接触摩擦，使得现有技术中气缸20、转子部31及多个滑片40与上法兰13和下法兰14之间的直接接触变成减磨结构120与上法兰13和下法兰14之间的直接接触，或者变成减磨结构120与气缸20、转子部31及多个滑片40之间的直接接触。由于减磨结构120具有良好的减磨效果，进而降低了气缸20、转子部31及多个滑片40与上法兰13和下法兰14之间的摩擦力，进而延长了上法兰13、下法兰14、气缸20、转轴30及滑片40的使用寿命，提高泵体组件的工作可靠性。
在附图中未示出的其他实施方式中，减磨结构只设置在上法兰与气缸之间。上述设置能够防止气缸、转子部及多个滑片的上端面与上法兰之间接触摩擦，进而延长上法兰、气缸、转轴及滑片的使用寿命，提高泵体组件的工作可靠性，提升泵体组件的性能。
在附图中未示出的其他实施方式中，减磨结构只设置在下法兰与气缸之间。上述设置能够防止气缸、转子部及多个滑片的下端面与下法兰之间接触摩擦，进而延长下法兰、气缸、转轴及滑片的使用寿命，提高泵体组件的工作可靠性，提升泵体组件的性能。
可选地，在本申请中，气缸20为轴承式气缸，且轴承式气缸包括外圈24及设置在外圈24内的内圈25，转轴30的转子部31设置在内圈25中。在泵体组件开始运行时，电机组件70带动转轴30进行旋转，滑片40在转子部31的离心力作用下从滑片槽311中伸出，并与轴承式气缸的内圈25的内壁面接触。随着泵体组件的平稳运行，滑片40在滑片槽311中开始做往复运动，滑片40的头部与轴承式气缸的内圈25的内壁面接触，并带动内圈25进行旋转。三个滑片40与内圈25把整个月牙腔分为三个独立的腔室，这三个腔室周期性的扩大、缩小，从而实现泵体组件的吸气、排气。在泵体组件运行过程中，滑片40与滑片槽311形成一个封闭的空间，即滑片背压腔，滑片背压腔也有三个，并且随着泵体组件的运转周期性的放大和缩小。这样，本实施例中的减磨结构120能够降低轴承式气缸的内圈25、转子部31及滑片40与上法兰13和下法兰14之间的摩擦力，进而延长了上法兰13、下法兰14、气缸20、转轴30及滑片40的使用寿命，提高泵体组件的工作可靠性。
如图1、图4及图6所示，减磨结构120为板状结构，且减磨结构120在气缸20上的正投影与与其相邻的结构件在气缸20上的正投影相重合。这样，上述设置能够保证减磨结构120的形状与上法兰13及下法兰14的靠近气缸20的端面吻合，则能够较好地对减磨结构120进行定位、固定。
具体地，两个减磨结构120的形状和尺寸需分别针对上法兰13及下法兰14的端面尺寸、形状进行设计，以避开上、下法兰的螺钉孔以及排气口、轴孔等，使得减磨结构120能够与上、下法兰端面贴合。
需要说明的是，减磨结构120的结构不限于此，只要能够保证气缸20、转子部31及多个滑片40均与减磨结构120接触摩擦即可。可选地，减磨结构120为薄片状结构。上述设置既能保证减磨结构120的减磨效果，且使得泵体组件的结构更加紧凑。
如图1所示，减磨结构120与结构件通过紧固件140连接。上述设置使得减磨结构120的更换及其与结构件的装配更加容易，降低工作人员的劳动强度。
可选地，紧固件140为螺栓。螺栓为标准件，能够降低泵体组件的加工成本。
需要说明的是，紧固件140的结构不限于此，只要使得减磨结构120的安装或者拆卸更加容易即可。可选地，紧固件140为定位销。
如图4和图6所示，减磨结构120上设置有连接通孔121，紧固件140穿过连接通孔121后连接在结构件上。这样，当需要将减磨结构120安装在上法兰13或者下法兰14上时，紧固件140穿过连接通孔121后固定在上、下法兰上，使得减磨结构120与上、下法兰紧密接触，保证减磨结构120与上、下法兰之间不会发生相对运动。上述设置使得工作人员对减磨结构120的安装或者拆卸更加方便、快捷，进而缩短工作人员的装配耗时，降低劳动强度。
如图4和图6所示，减磨结构120具有连接凸耳122，连接凸耳122上设置有连接通孔121。具体地，紧固件140穿过连接凸耳122上设置的连接通孔121后固定在上、下法兰上，则通过连接凸耳122将减磨结构120与上、下法兰连接，保证减磨结构120与气缸20、转子部31及多个滑片40的接触面上未设置紧固件140，也未设置连接通孔121而影响减磨结构120的结构强度。这样，上述设置既能保证减磨结构120不会影响泵体组件的正常运行，也能够保证减磨结构120的结构强度，进而延长减磨结构120的使用寿命。
可选地，结构件上设置有多个结构件连接孔15，连接通孔121为多个，且多个连接通孔121与多个结构件连接孔15一一对应地设置。如图3和图5所示，各结构件上分别设置有两个结构件连接孔15，连接通孔121为两个，且两个连接通孔121与两个结构件连接孔15一一对应地设置。这样，上述设置使得减磨结构120与结构件的连接更加稳固，进而提高泵体组件的结构稳定性。
在本实施例中，减磨结构120由不锈钢材料制成。不锈钢材料具有耐磨、减磨及硬度高等优点，能够减小减磨结构120与气缸20、转子部31及滑片40之间的摩擦力，进而改善了气缸20、转子部31及滑片40的磨损情况，延长其使用寿命。
通常地，轴承式气缸的内圈25通过轴承钢经过热处理制成，使得内圈25的表面硬度大、耐磨性好。上法兰13及下法兰14采用铸铁制成。这样，上法兰13和下法兰14上设置减磨结构120，使得内圈25、转子部31及多个滑片40与上、下法兰的直接接触摩擦转化为内圈25、转子部31及滑片40与减磨结构120之间的摩擦。由于减磨结构120具有较小的摩擦系数，因此使得内圈25、转子部31及滑片40与减磨结构120之间的摩损减小，进而减小内圈25、转子部31、滑片40、上法兰13及下法兰14的磨损，延长使用寿命。
可选地，两个减磨结构120均由马氏体铬钢制成。马氏体铬钢(Sandvik Hiflex)具有较好的减磨、耐磨效果，且硬度较高，能够改善泵体组件的磨损情况。与现有技术中气缸20、转轴30及滑片40与上法兰13及下法兰14的直接接触摩擦相比，采用马氏体铬钢制成的两个减磨结构120能够有效地降低至少1/3的摩擦力，减小了泵体组件的机械耗能，延长泵体组件的使用寿命，提高泵体组件的工作可靠性。
需要说明的是，减磨结构120的制作材料不限于此。可选地，两个减磨结构120均由马氏体不锈钢带制成。或者一个减磨结构120由马氏体铬钢制成，另一个减磨结构120由马氏体不锈钢带制成。马氏体不锈钢带(Sandvik 7C27Mo2)具有较好的减磨、耐磨效果，且硬度较高，能够改善泵体组件的磨损情况。
需要说明的是，减磨结构120的使用材料不限于此，只要具有较好的减磨效果、摩擦系数小即可。
如图8所示，本申请还提供了一种压缩机，包括上述的泵体组件。可选地，压缩机为滑片式压缩机。该压缩机包括分液器部件50、壳体组件60、电机组件70、泵体组件80、上盖组件90和下盖及安装板100。其中，分液器部件50设置在壳体组件60的外部，上盖组件90装配在壳体组件60的上端，下盖及安装板100装配在壳体组件60的下端，电机组件70和泵体组件80均位于壳体组件60的内部，且电机组件70设置在泵体组件80的上方。压缩机的泵体组件80包括上述的上法兰13、下法兰14、气缸20、转轴30、减磨结构120及紧固件140。
具体地，如图7所示，在压缩机的理想工作状态下，轴向方向上轴承式气缸的中心线与内圈25的中心线重合。但在压缩机实际运行工作中，由滑片40分割的各腔体的压力是不同的，而内圈25与外圈24之间的空腔始终为高压态冷冻机油和冷媒组合物。同时，轴承式气缸自身存在游隙，因此内圈25在高速转动的过程中会发生倾斜。在内圈25发生倾斜后，内圈25的上下端面能够与减磨结构120进行接触摩擦。同时，减磨结构120也能够与转子部31的上、下端面及多个滑片40的上、下端面进行接触摩擦。由于减磨结构120具有较好的减磨效果，进而能够降低压缩机的能量损耗，提高压缩机的工作性能。
从以上的描述中，可以看出，本发明上述的实施例实现了如下技术效果：
减磨结构设置在气缸与结构体之间，使得气缸、转子部及多个滑片均不会与两个结构件发生直接接触摩擦。
在泵体组件运行过程中，设置在结构件与气缸之间的减磨结构能够防止气缸、转子部及多个滑片与结构件发生直接接触，进而防止气缸、转子部及多个滑片与结构件发生相互摩擦而导致泵体组件被磨损。这样，本申请中的泵体组件能够防止气缸、转子部及多个滑片与结构件之间发生磨损，延长了结构件、气缸、转轴及滑片的使用寿命，进一步延长了泵体组件的使用寿命，进而提高泵体组件的工作可靠性，提升泵体组件的性能。
显然，上述所描述的实施例仅仅是本发明一部分的实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都应当属于本发明保护的范围。
需要注意的是，这里所使用的术语仅是为了描述具体实施方式，而非意图限制根据本申请的示例性实施方式。如在这里所使用的，除非上下文另外明确指出，否则单数形式也意图包括复数形式，此外，还应当理解的是，当在本说明书中使用术语“包含”和/或“包括”时，其指明存在特征、步骤、工作、器件、组件和/或它们的组合。
需要说明的是，本申请的说明书和权利要求书及上述附图中的术语“第一”、“第二”等是用于区别类似的对象，而不必用于描述特定的顺序或先后次序。应该理解这样使用的数据在适当情况下可以互换，以便这里描述的本申请的实施方式能够以除了在这里图示或描述的那些以外的顺序实施。
以上所述仅为本发明的优选实施例而已，并不用于限制本发明，对于本领域的技术人员来说，本发明可以有各种更改和变化。凡在本发明的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本发明的保护范围之内。

Claims (10)

  1. 一种泵体组件，其特征在于，包括：
    结构件，所述结构件为两个；
    气缸(20)，设置在两个所述结构件之间；
    转轴(30)，穿过两个所述结构件及所述气缸(20)，且所述转轴(30)的转子部(31)具有多个滑片槽(311)；
    多个滑片(40)，可滑动地对应设置在多个所述滑片槽(311)内；
    至少一个减磨结构(120)，至少一个所述结构件与所述气缸(20)之间设置有所述减磨结构(120)，以防止所述气缸(20)、所述转子部(31)及多个所述滑片(40)与所述结构件之间接触摩擦。
  2. 根据权利要求1所述的泵体组件，其特征在于，所述结构件为上法兰(13)或下法兰(14)。
  3. 根据权利要求1所述的泵体组件，其特征在于，所述减磨结构(120)为板状结构，且所述减磨结构(120)在所述气缸(20)上的正投影与与其相邻的所述结构件在所述气缸(20)上的正投影相重合。
  4. 根据权利要求1所述的泵体组件，其特征在于，所述减磨结构(120)与所述结构件通过紧固件(140)连接。
  5. 根据权利要求4所述的泵体组件，其特征在于，所述减磨结构(120)上设置有连接通孔(121)，所述紧固件(140)穿过所述连接通孔(121)后连接在所述结构件上。
  6. 根据权利要求5所述的泵体组件，其特征在于，所述减磨结构(120)具有连接凸耳(122)，所述连接凸耳(122)上设置有所述连接通孔(121)。
  7. 根据权利要求5所述的泵体组件，其特征在于，所述结构件上设置有多个结构件连接孔(15)，所述连接通孔(121)为多个，且多个所述连接通孔(121)与多个所述结构件连接孔(15)一一对应地设置。
  8. 根据权利要求1所述的泵体组件，其特征在于，所述减磨结构(120)由不锈钢材料制成。
  9. 根据权利要求8所述的泵体组件，其特征在于，所述减磨结构(120)由马氏体铬钢和/或马氏体不锈钢带制成。
  10. 一种压缩机，其特征在于，包括权利要求1至9中任一项所述的泵体组件。
PCT/CN2017/118332 2017-09-29 2017-12-25 泵体组件及具有其的压缩机 WO2019061899A1 (zh)

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CN113623226A (zh) * 2021-08-31 2021-11-09 安徽美芝精密制造有限公司 轴承组件、压缩机及制冷装置

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