WO2022068169A1 - 活塞组件、压缩机组件和制冷设备 - Google Patents

活塞组件、压缩机组件和制冷设备 Download PDF

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Publication number
WO2022068169A1
WO2022068169A1 PCT/CN2021/085684 CN2021085684W WO2022068169A1 WO 2022068169 A1 WO2022068169 A1 WO 2022068169A1 CN 2021085684 W CN2021085684 W CN 2021085684W WO 2022068169 A1 WO2022068169 A1 WO 2022068169A1
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WO
WIPO (PCT)
Prior art keywords
piston
valve
valve plate
tongue
piston assembly
Prior art date
Application number
PCT/CN2021/085684
Other languages
English (en)
French (fr)
Inventor
武文杰
黄刚
Original Assignee
安徽美芝制冷设备有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from CN202011067672.6A external-priority patent/CN114320831A/zh
Priority claimed from CN202022212889.3U external-priority patent/CN213016687U/zh
Application filed by 安徽美芝制冷设备有限公司 filed Critical 安徽美芝制冷设备有限公司
Priority to EP21799160.3A priority Critical patent/EP4006342B1/en
Priority to US17/525,494 priority patent/US11952991B2/en
Publication of WO2022068169A1 publication Critical patent/WO2022068169A1/zh

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/10—Valves; Arrangement of valves

Definitions

  • the present application relates to the field of refrigeration equipment, and in particular, to a piston assembly, a compressor assembly and a refrigeration equipment.
  • the present application aims to solve at least one of the technical problems existing in the prior art or related technologies.
  • a first aspect of the embodiments of the present application provides a piston assembly.
  • a second aspect of the embodiments of the present application provides a compressor assembly.
  • a third aspect of the embodiments of the present application provides a refrigeration device.
  • an embodiment of the first aspect of the present application provides a piston assembly, comprising: a piston; a valve plate, which is provided at one end of the piston, and the valve plate includes a valve plate body provided with an installation port and a valve tongue. It is connected with the valve plate body, and at least part of the valve tongue is arranged in the installation port, wherein the contour of at least part of the installation port matches the circumferential contour of the end of the piston close to the valve plate.
  • a piston assembly provided according to an embodiment of the first aspect of the present application includes a piston and a valve plate.
  • the valve plate includes a valve plate body and a valve tongue. Under the action of the piston, the fluid flow can be controlled, so as to facilitate the work to achieve suction under the cooperation of the valve plate.
  • the valve plate is arranged at one end of the piston, and its end face is in contact with the valve plate, under the action of the valve tongue, the inhalation can be intermittently inward, so as to realize the normal operation of the piston assembly.
  • valve tongue In order to ensure the normal operation of the valve tongue, when the valve plate is arranged at one end of the piston, the valve tongue is located in the installation port of the valve plate body. Match the contour of part or all of the mounting port with the circumferential contour of the end of the piston close to the valve plate. When the piston is in contact with the valve plate, the piston can be tightly fitted with the valve plate to prevent fluid from passing through the gap. A valve tongue is arranged in the installation port, and when the valve tongue is opened, the fluid can flow through the gap between the valve tongue and the piston. It should be emphasized that since the matching of the piston and the valve plate can increase the gap between the valve tongue and the contour of the installation port, the valve plate body will not generate vibration noise due to the excitation of the fluid flowing through it. Further, when the piston assembly is used in refrigeration equipment, since the piston is closely matched with the valve plate, the clearance volume can be reduced, thereby increasing the refrigeration capacity and improving the refrigeration performance.
  • one end of the piston close to the valve plate matches the contour of the installation port, and when the fluid passes through, the fluid can only pass through the installation port. It can be understood that the larger the area in which the fluid can flow in the installation port, the less the excitation of the valve plate when the fluid flows, and the lower the noise of the valve plate. Therefore, the installation port should be designed as large as possible to reduce the noise generated when the fluid passes through.
  • the shape of the installation port can also be designed according to actual needs.
  • the structure matched with the end face of the piston may be all the installation ports, and may also be part of the installation ports, so as to realize the close fit between the piston and the valve plate.
  • the number of installation ports can be flexibly set according to actual use requirements, and can be one or more, so as to improve the utilization rate of the valve sheet.
  • valve tongues can also be arranged to control the independent fluid channels respectively.
  • valve tongue can be designed into different shapes according to actual needs. Specifically, it can be designed as a rectangle, which is easy to process, but when it is impacted by fluid, it needs a large fluid impact to push it apart due to its wider joint with the valve plate body; it can also be designed to be narrow at the top and wide at the bottom The shape of this shape, relatively speaking, is easier to be opened by the fluid, and is more suitable for the use of air valve. Of course, considering the actual application environment of the piston assembly, the size of the installation space of the piston assembly and other factors, it can be flexibly designed according to actual needs.
  • valve tongue and the valve plate body can be connected by welding, and the valve tongue can be processed separately and then welded on the valve plate.
  • valve tongue can also be an integrated structure, which, relatively speaking, has higher connection strength and longer service life.
  • piston assembly in the above-mentioned scheme provided by the application can also have the following additional technical features:
  • the end of the piston of the piston assembly close to the valve plate is provided with a matching groove, and the shape of the matching groove matches the shape of the valve tongue.
  • a matching groove is defined at one end of the piston, and the shape of the matching groove is matched with the shape of the valve tongue, so that when the piston is installed on the installation port, the valve tongue can be inserted into the matching groove relatively completely inside, and the valve plate and the piston can be tightly fitted, leaving no gap between them. In this way, when the valve tongue is opened and the fluid passes through, the fluid will not leak from the gap between the valve tongue and the piston, resulting in noise. At the same time, since the valve body and the piston are closely fitted, all the fluid flowing through the installation port can enter the piston. The double effect of noise reduction to improve cooling performance.
  • the thickness of the valve tongue is equal to the thickness of the matching groove.
  • the thickness of the valve tongue and the matching groove are equal, and when the valve tongue is closed, the valve tongue can be completely embedded in the matching groove.
  • the valve body and the piston are fitted together, there is no gap between them, and they can be closely fitted to each other.
  • fluid can be kept between the valve tongue and the piston during operation, thereby increasing the refrigeration capacity.
  • the valve tongue specifically includes: a connecting part, which is connected with the valve plate body; an extending part, which is arranged in the installation port, and one end of the extending part is connected with the connecting part.
  • the valve tongue includes a connecting portion and an extending portion, wherein the extending portion is located in the installation port and can be connected to the valve plate body through the connecting portion.
  • Other positions of the extension part are not connected with the valve body.
  • connection between the extension part and the connection part can be designed to be relatively narrow, so that the valve tongue can be opened more easily. When the valve tongue is closed, there will be no strong beating on the piston, resulting in noise.
  • the shape of the installation port can be independent of the extension part, and only consider the cooperation with the piston, so that the piston can closely fit the valve plate.
  • an interval groove is formed between the connecting portion and the valve plate body, and a machining hole is formed at one end of the interval groove away from the installation port.
  • the valve tongue can be fully opened by arranging an interval groove between the connecting portion and the valve plate body. It can be understood that, because the piston is in close contact with the valve body, the valve tongue needs to be fully opened when the fluid passes through, so that the fluid can pass through smoothly. Therefore, by arranging spacing grooves on the edge of the connecting portion, the length of the valve tongue that can be opened is longer, the valve tongue is relatively easier to open, and the air flow is easier to pass through the piston assembly.
  • a machining hole is provided at the end of the spacing groove away from the installation opening.
  • the inner diameter of the machined hole can be adjusted as required.
  • the connection strength between the connecting part and the valve body can be adjusted by setting machining holes with different inner diameters. The smaller the width of the position, the easier the valve plate is to open, but at the same time, the lower the connection strength of the valve plate.
  • the end face of the end of the valve plate away from the piston coincides with the end face of the end of the piston where the matching groove is arranged.
  • the end face of the piston with the matching groove is defined to coincide with the end face of the valve plate away from the piston, so that when the valve plate is in contact with the piston and the valve tongue is not opened, the end face of the piston and the valve The end face of the disc away from the piston is flush.
  • the flush end face will not cause the turbulence of the fluid, which will cause noise.
  • valve tongues may share one valve plate, and the fluid impact generated by the closing of the valve tongue will not affect other valve tongues.
  • the projection of the valve plate on the axis of the piston at least partially coincides with the piston, and the valve plate is sleeved on one end of the piston.
  • the piston and the valve plate can be further attached by sleeves of the valve plate on one end of the piston.
  • the valve plate is at least embedded in one end of the piston, so that the gap between the two in the axial direction is smaller.
  • valve plate body and the valve tongue of the piston assembly are integrally formed.
  • valve body and the valve tongue are integrally formed. Compared with other methods, this method has higher connection strength and reduces unnecessary connection structures. Therefore, the connection position between the valve tongue and the valve body can be designed. is relatively narrow, making the valve tongue easier to open by the fluid. In addition, due to the one-piece design, the connection between the valve tongue and the valve plate can be smoother, so as to better fit the piston assembly.
  • valve tongue When the valve tongue shuts off the fluid passage, it closely fits with the end face of the piston, which can completely shut off the fluid passage.
  • Embodiments of the second aspect of the present application provide a compressor assembly, including: a compressor, with a suction port provided on the compressor; and the piston assembly provided in the embodiment of the first aspect above, provided at the suction port.
  • a compressor assembly provided according to an embodiment of the second aspect of the present application includes a compressor and a piston assembly.
  • the piston assembly is arranged at the suction port. The gas passing through the suction port will open and close the passage of the gas fed into the compressor because the piston assembly can open and close the gas passage.
  • the compressor assembly includes any one of the piston assemblies in the above-mentioned first aspect embodiment, the compressor assembly also has any of the beneficial effects of the above-mentioned first aspect embodiment, which will not be repeated here.
  • the piston assembly can allow the incoming gas to fully enter the compressor through the piston to improve the efficiency of the compressor, the efficiency of the compressor assembly will also be improved.
  • Embodiments of the third aspect of the present application provide a refrigeration device, including: a casing; and the compressor assembly provided in the embodiments of the second aspect above, provided in the casing.
  • a refrigeration device provided according to an embodiment of the third aspect of the present application includes a casing and a compressor assembly provided in the casing.
  • the housing provides a protective effect
  • the compressor assembly includes a piston assembly. Therefore, the refrigeration equipment has the characteristics of low noise and high efficiency.
  • the refrigeration equipment may be a refrigerator, a freezer, an air conditioner, or other equipment that can be refrigerated.
  • the refrigeration equipment includes any of the compressor components in the above-mentioned second aspect embodiment, it has any of the beneficial effects of the above-mentioned second aspect embodiment, which will not be repeated here.
  • Fig. 1 shows the effect diagram of noise reduction when fluid passes through the piston assembly according to an embodiment of the present application
  • FIG. 2 shows a schematic structural diagram of a piston assembly according to an embodiment of the present application
  • FIG. 3 shows a schematic structural diagram of a valve plate according to an embodiment of the present application
  • FIG. 4 shows a schematic structural diagram of a piston according to an embodiment of the present application
  • FIG. 5 shows a schematic structural diagram of a valve plate according to an embodiment of the present application
  • FIG. 6 shows a schematic structural diagram of a valve plate according to an embodiment of the present application.
  • FIG. 7 shows a schematic structural diagram of a valve plate according to an embodiment of the present application.
  • FIG. 8 shows a schematic structural diagram of a piston assembly according to an embodiment of the present application.
  • FIG. 9 shows a schematic structural diagram of a piston assembly according to an embodiment of the present application.
  • FIG. 10 shows a schematic structural diagram of a compressor assembly according to an embodiment of the present application.
  • FIG. 11 shows a schematic structural diagram of a refrigeration device according to an embodiment of the present application.
  • this embodiment provides a piston assembly 1 , which includes a piston 102 and a valve plate 106 .
  • the valve plate 106 is disposed at one end of the piston 102 .
  • the valve plate 106 includes a valve plate body 110 and a valve tongue 112 .
  • the valve body 110 is provided with an installation port 108
  • the valve tongue 112 is provided in the installation port 108 .
  • valve tongue 112 In order to ensure the normal operation of the valve tongue 112 , when the valve plate 106 is arranged on one end of the piston 102 , the valve tongue 112 is located in the installation port 108 of the valve plate body 110 .
  • the contour of at least part of the mounting port 108 matches the circumferential contour of the end of the piston 102 close to the valve plate 106.
  • the piston 102 When the piston 102 is in contact with the valve plate 106, the piston 102 can be tightly fitted with the valve plate 106 to prevent fluid from passing through the gap. .
  • a valve tongue 112 is provided in the installation port 108 . When the valve tongue 112 is opened, the fluid can flow through the gap between the valve tongue 112 and the piston 102 .
  • the matching of the piston 102 and the valve plate 106 can increase the gap between the valve tongue 112 and the contour of the installation port 108 , the valve plate body 110 will not generate vibration noise due to the excitation of the fluid flowing therethrough. Further, when the piston assembly 1 is used in the refrigeration equipment 3, since the piston 102 is closely matched with the valve plate 106, the clearance volume can be reduced, thereby increasing the refrigeration capacity and improving the refrigeration performance.
  • FIG. 1 which shows the cloud diagram of structural deformation during modal simulation of the valve plate 106 shown in this embodiment
  • the force around the valve tongue 112 is relatively average, and the shape matches the piston 102 by adopting a shape. Therefore, the valve plate 106 except the valve tongue 112 is not stimulated by the fluid flow, which can greatly reduce the noise generated by the fluid flow.
  • one end of the piston 102 close to the valve plate 106 matches the contour of the installation port 108 , and when the fluid passes through, the fluid can only pass through the installation port 108 .
  • the installation port 108 should be designed as large as possible to reduce the noise generated when the fluid passes through.
  • the shape of the installation opening 108 can also be designed according to actual requirements.
  • the structure matched with the end face of the piston 102 may be all the installation ports 108 , or may be part of the installation ports 108 , so as to realize the close contact between the piston 102 and the valve plate 106 .
  • the number of the installation ports 108 can be flexibly set according to actual use requirements, and can be one or more, so as to improve the utilization rate of the valve sheet 106 .
  • valve tongues 112 can also be provided to control the independent fluid channels respectively.
  • valve tongue 112 can be designed into different shapes according to actual requirements. Specifically, it can be designed as a rectangle, which is easy to process, but when it is impacted by fluid, it needs a large fluid impulse to push it apart due to its wider joint with the valve plate body 110; it can also be designed to be narrow at the top and bottom at the bottom The wide shape, relatively speaking, is easier to be opened by the fluid, and is more suitable for the use of air valve. Of course, considering the actual application environment of the piston assembly 1, the size of the installation space of the piston assembly 1 and other factors, the design can be flexibly made according to actual needs.
  • valve tongue 112 and the valve plate body 110 can be connected by welding, and the valve tongue 112 can be separately processed and then welded to the valve plate 106 .
  • it can also be an integrated structure, which, relatively speaking, has higher connection strength and longer service life.
  • valve tongues 112 there are one or more valve tongues 112 in the mounting port 108 .
  • the valve tongues 112 independently control different fluid passages.
  • valve plate body 110 is provided with a plurality of installation ports 108 , and different installation ports 108 are respectively provided with different valve tongues 112 , which can improve the utilization rate of the valve plate 106 .
  • this embodiment provides a piston assembly 1 , which includes a piston 102 and a valve plate 106 .
  • the valve plate 106 is disposed at one end of the piston 102 .
  • the valve plate 106 includes a valve plate body 110 and a valve tongue 112 .
  • the valve body 110 is provided with an installation port 108
  • the valve tongue 112 is provided in the installation port 108 .
  • valve tongue 112 In order to ensure the normal operation of the valve tongue 112 , when the valve plate 106 is arranged on one end of the piston 102 , the valve tongue 112 is located in the installation port 108 of the valve plate body 110 .
  • the contour of at least part of the mounting port 108 matches the circumferential contour of the end of the piston 102 close to the valve plate 106.
  • the piston 102 When the piston 102 is in contact with the valve plate 106, the piston 102 can be tightly fitted with the valve plate 106 to prevent fluid from passing through the gap. .
  • a valve tongue 112 is provided in the installation port 108 . When the valve tongue 112 is opened, the fluid can flow through the gap between the valve tongue 112 and the piston 102 .
  • the matching of the piston 102 and the valve plate 106 can increase the gap between the valve tongue 112 and the contour of the installation port 108 , the valve plate body 110 will not generate vibration noise due to the excitation of the fluid flowing therethrough. Further, when the piston assembly 1 is used in the refrigeration equipment 3, since the piston 102 is closely matched with the valve plate 106, the clearance volume can be reduced, thereby increasing the refrigeration capacity and improving the refrigeration performance.
  • one end of the piston 102 close to the valve plate 106 matches the contour of the installation port 108 , and when the fluid passes through, the fluid can only pass through the installation port 108 .
  • the installation port 108 should be designed as large as possible to reduce the noise generated when the fluid passes through.
  • the shape of the installation opening 108 can also be designed according to actual requirements.
  • the structure matched with the end face of the piston 102 may be all the installation ports 108 , or may be part of the installation ports 108 , so as to realize the close contact between the piston 102 and the valve plate 106 .
  • the number of the installation ports 108 can be flexibly set according to actual use requirements, and can be one or more, so as to improve the utilization rate of the valve plate 106 .
  • valve tongues 112 can also be provided to control the independent fluid channels respectively.
  • valve tongue 112 can be designed into different shapes according to actual requirements. Specifically, it can be designed as a rectangle, which is easy to process, but when it is impacted by fluid, because its joint with the valve plate body 110 is wider, it needs a large fluid impulse to push it apart; it can also be designed to be narrow at the top and bottom at the bottom The wide shape, relatively speaking, is easier to be opened by the fluid, and is more suitable for the use of air valve.
  • the design can be flexibly made according to actual needs.
  • valve tongue 112 and the valve plate body 110 can be connected by welding, and the valve tongue 112 can be separately processed and then welded to the valve plate 106 .
  • it can also be an integrated structure, which, relatively speaking, has higher connection strength and longer service life.
  • the extension portion 116 of the valve tongue 112 is in the installation port 108 and is connected to the valve plate body 110 through the connecting portion 114 .
  • the extension portion 116 is not connected to the valve plate body 110 at other positions.
  • the valve tongue 112 is not connected with the valve body except the connecting portion 114 which is connected with the valve body 110 . Therefore, the shape of the inner diameter of the mounting port 108 can be designed as required.
  • the valve tongue 112 can be designed to be relatively narrow at the connection between the extension part 116 and the connecting part 114 , so that the valve tongue 112 can be opened more easily. When the valve tongue 112 is closed, the piston 102 will not be beaten violently and noise will be generated. The relatively wide lower part thereof can effectively shut off the gas path of the piston 102 .
  • valve tongue 112 can be designed as a rectangle, and the widths of the connecting portion 114 and the extending portion 116 are the same. Compared with the valve tongue 112 that is narrow at the top and wide at the bottom, the structure is relatively simple, and can be fixed on the valve plate 106 in an additional manner.
  • a spacing groove 120 is formed between the connecting portion 114 and the valve plate body 110 , so that the valve tongue 112 can be fully opened.
  • the valve tongue 112 needs to be fully opened when the fluid passes through, so that the fluid can pass through smoothly.
  • the spacing grooves 120 are provided, so that the length of the valve tongue 112 that can be opened is longer, and thus the valve tongue 112 can be opened at a larger angle. Further, due to the provision of the interval grooves 120, the length of the valve tongue 112 that can be opened is longer, the valve tongue 112 is also relatively easier to open, and the air flow is easier to pass through the piston assembly 1.
  • a machining hole 118 is provided at one end of the spacing groove 120 away from the installation port 108 .
  • the inner diameter of the machined hole 118 can be adjusted as required.
  • the connection strength of the connecting portion 114 and the valve plate body 110 can be adjusted by setting the machining holes 118 with different inner diameters. The smaller the width of the connection position with the valve plate body 110 is, the easier the valve plate 106 is to open relatively speaking, but at the same time, the lower the connection strength of the valve plate 106 is.
  • this embodiment provides a piston assembly 1 , which includes a piston 102 and a valve plate 106 .
  • the valve plate 106 is disposed at one end of the piston 102 .
  • the valve plate 106 includes a valve plate body 110 and a valve tongue 112 .
  • the valve body 110 is provided with an installation port 108 , and the shape of the installation port 108 is shown in FIG. 6 .
  • Part of the mounting port 108 is matched with the end of the end face of the piston 102 close to the valve plate 106 .
  • a portion of the valve tongue 112 is provided within the mounting port 108 .
  • the spacing groove 120 and the machining hole 118 of the valve plate body 110 are provided outside the installation port 108 .
  • valve plate 106 When the piston 102 is in contact with the valve plate 106, the piston 102 can be tightly fitted with the valve plate 106 to prevent fluid from passing through the gap.
  • a valve tongue 112 is provided in the installation port 108 . When the valve tongue 112 is opened, the fluid can flow through the gap between the valve tongue 112 and the piston 102 . At this time, since the piston 102 is closely matched with the valve plate 106, the valve plate body 110 will not generate vibration noise due to excitation when the fluid flows through. Further, when the piston assembly 1 is used in the refrigeration equipment 3, since the piston 102 is closely matched with the valve plate 106, the clearance volume can be reduced, thereby increasing the refrigeration capacity and improving the refrigeration performance.
  • this embodiment provides a piston assembly 1 , which includes a piston 102 and a valve plate 106 .
  • the valve plate 106 is disposed at one end of the piston 102 .
  • the valve plate 106 includes a valve plate body 110 and a valve tongue 112 .
  • the valve body 110 is provided with an installation port 108 , and the shape of the installation port 108 is shown in FIG. 7 .
  • the installation port 108 is matched with one end of the end face of the piston 102 close to the valve plate 106 .
  • a portion of the valve tongue 112 is provided within the mounting port 108 .
  • the spacing groove 120 and the machining hole 118 of the valve plate body 110 are provided outside the installation port 108 .
  • valve plate 106 When the piston 102 is in contact with the valve plate 106, the piston 102 can be tightly fitted with the valve plate 106 to prevent fluid from passing through the gap.
  • a valve tongue 112 is provided in the installation port 108 . When the valve tongue 112 is opened, the fluid can flow through the gap between the valve tongue 112 and the piston 102 . At this time, since the piston 102 is closely matched with the valve plate 106, the valve plate body 110 will not generate vibration noise due to excitation when the fluid flows through. Further, when the piston assembly 1 is used in the refrigeration equipment 3, since the piston 102 is closely matched with the valve plate 106, the clearance volume can be reduced, thereby increasing the refrigeration capacity and improving the refrigeration performance.
  • the structure of the piston assembly 1 is further limited.
  • the valve plate body 110 and the valve tongue 112 are integrally formed.
  • the connection position of the valve tongue 112 and the valve plate body 110 can be designed to be relatively narrow, so that the valve tongue 112 can be more easily opened by the fluid.
  • the connection between the valve tongue 112 and the valve plate 106 can be smoother, so as to better fit with the piston assembly 1 .
  • the connecting portion 114 of the valve tongue 112 is connected to the valve plate 106 by spot welding. There are several welding points at the position where the connecting portion 114 is connected with the valve plate 106 by electric welding. In this way, the valve tongue 112 can be added to the valve plate 106 by spot welding to change the connection of the piston assembly 1 when needed.
  • the electric welding method has poor connection strength first, and the valve tongue 112 may fall off from the valve plate 106 by repeatedly opening and closing the valve tongue 112 .
  • the spot welding is not smooth, and the fit between the valve plate 106 and the end face of the piston 102 will cause a gap due to the unevenness caused by the spot welding, and finally the valve tongue 112 cannot completely close the piston 102, resulting in air leakage.
  • the structure of the piston assembly 1 is further limited. As shown in FIGS. 3 , 4 , 5 and 8 , the end of the piston 102 close to the valve plate 106 is provided with a matching groove 104 , and the matching groove 104 The shape of the valve tongue 112 is matched with the shape of the valve tongue 112. When the piston 102 is matched with the installation port 108, the valve tongue 112 can be embedded in the matching groove 104, further making the valve plate 106 and the piston 102 closely fit, and the gap between the two Leave no gaps. In this way, when the valve tongue 112 is opened and the fluid passes through, the fluid will not leak out from the gap between the valve tongue 112 and the piston 102, resulting in noise.
  • the valve body is closely fitted with the piston 102, all the fluid flowing through the installation port 108 can enter the piston 102.
  • the fluid can flow in more fully, and Increase the cooling capacity and achieve the dual goals of reducing noise and improving cooling performance.
  • the valve tongue 112 and the matching groove 104 have the same thickness, and when the valve tongue 112 is closed, the valve tongue 112 can be completely embedded in the matching groove 104 .
  • the thickness is the same, and a gap is not easily formed between them, and they can be closely attached to each other.
  • the valve body, especially the valve joint is in close contact with the end surface of the piston 102, so that no fluid remains between the valve tongue 112 and the piston 102, thereby increasing the cooling capacity.
  • the end face of the piston 102 is provided with the matching groove 104, which coincides with the end face of the valve plate 106 away from the piston 102. In this way, when the valve plate 106 is in contact with the piston 102 and the valve tongue 112 is not opened, The end surface of the piston 102 is flush with the end surface of the valve plate 106 away from the piston 102 . When the fluid is closed by the valve plate 106, the flush end face will not cause turbulent flow of the fluid, thereby causing noise.
  • valve tongues 112 are provided on the valve plate 106 , a plurality of pistons 102 may share one valve plate 106 , and the fluid impact generated by the closing of the valve tongue 112 will not affect other valve tongues 112 .
  • valve plate 106 is sleeved on one end of the piston 102, and the piston 102 and the valve plate 106 can be further attached.
  • the inner diameter of the installation port 108 should be slightly larger than the outer diameter of the piston 102 , and the piston 102 is tightly fitted with the installation port 108 of the valve plate 106 . In this way, when the fluid passes through the port of the piston 102, it is far away from the axial inner wall of the installation port 108, so that the installation port 108 will not be impacted, thereby generating noise. In addition, there will no longer be a gap between the valve plate 106 and the end surface of the piston 102, so that fluid remains. When the valve tongue 112 is opened, the fluid can pass completely through the piston 102 .
  • this embodiment provides a compressor assembly 2 , including a compressor 204 , such as the piston assembly 1 in any of the above embodiments.
  • the compressor 204 is provided with a suction port 202
  • the piston assembly 1 is provided at the suction port 202 .
  • the gas passing through the suction port 202 will open and close the passage of the gas fed into the compressor 204 because the piston assembly 1 can open and close the gas passage. Since the piston assembly 1 has the beneficial effect of noise reduction, the compressor assembly 2 also has any beneficial effect of any one of the first to seventh embodiments, which will not be repeated here.
  • the piston assembly 1 can fully allow the entering gas to enter the compressor 204 through the piston 102, the performance of the compressor 204 is improved, and thus the performance of the compressor assembly 2 is also improved.
  • this embodiment provides a refrigeration device 3 , including a casing 302 , and any compressor assembly 2 in the above-mentioned second aspect embodiment.
  • the compressor assembly 2 is arranged in the casing.
  • the casing 302 of the refrigeration device 3 is provided with a compressor assembly 2 , and the compressor assembly 2 includes the piston assembly 1 in the above-mentioned first aspect embodiment. Therefore, the refrigeration equipment 3 has the characteristics of low noise and high performance.
  • the refrigeration equipment 3 includes the compressor assembly 2 of the eighth embodiment above, it has any of the beneficial effects of the embodiments of the first aspect described above, which will not be repeated here.
  • a mounting port is provided on the valve plate, and the contour of the mounting port matches the end of the piston close to the valve plate, thereby increasing the gap between the valve tongue and the contour of the mounting port
  • the clearance of the valve plate is reduced, and the noise generated by the fluid excitation of the valve plate is reduced
  • the end face of the piston close to the valve plate is provided with a matching groove, which can reduce the clearance volume and increase the cooling capacity; thus improving the cooling performance and reducing the
  • the dual objective of noise ensures the overall performance of the compressor.

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  • General Engineering & Computer Science (AREA)
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Abstract

一种活塞组件（1）、压缩机组件和制冷设备（3），活塞组件（1）包括：活塞（102）；阀片（106），设于活塞（102）的一端，阀片（106）包括设有安装口（108）的阀片本体（110）和阀舌（112），阀舌（112）与阀片本体（110）相连，且至少部分阀舌（112）设于安装口（108）内，其中，至少部分安装口（108）的轮廓与活塞（102）靠近阀片（106）的一端的周向轮廓相匹配。该活塞组件（1）中，由于阀片（106）设置在安装口（108），安装口（108）的轮廓与活塞（102）靠近阀片（106）的一端的周向轮廓相匹配，活塞组件（1）降低了阀片（106）被流体激励产生的噪音；对于制冷设备（3）而言，活塞（102）靠近阀片（106）的端面设有配合槽，可减小活塞（102）与阀片（106）之间的间隙，进而提升制冷量，从而达到了提升制冷性能和降低噪音的双重目标。

Description

活塞组件、压缩机组件和制冷设备
本申请要求于2020年09月30日提交中国国家知识产权局、申请号为“202011067672.6”、申请名称为“活塞组件、压缩机组件和制冷设备”和申请号为“202022212889.3”、申请名称为“活塞组件、压缩机组件和制冷设备”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本申请涉及制冷设备领域，具体而言，涉及一种活塞组件、一种压缩机组件和一种制冷设备。
背景技术
现有技术中，压缩机组件中的活塞组件，阀片的阀舌周围由于是实体结构，会在工作过程中受到气流冲击，容易产生较大的噪音，影响压缩机组件的使用体验。
发明内容
本申请旨在至少解决现有技术或相关技术中存在的技术问题之一。
有鉴于此，本申请实施例的第一方面提供了一种活塞组件。
本申请实施例的第二方面提供了一种压缩机组件。
本申请实施例的第三方面提供了一种制冷设备。
为了实现上述目的，本申请第一方面的实施例提供了一种活塞组件，包括：活塞；阀片，设于活塞的一端，阀片包括设有安装口的阀片本体和阀舌，阀舌与阀片本体相连，且至少部分阀舌设于安装口内，其中，至少部分安装口的轮廓与活塞靠近阀片的一端的周向轮廓相匹配。
根据本申请第一方面的实施例提供的活塞组件，包括活塞和阀片。其中阀片包括阀片本体和阀舌。在活塞的作用下可控制流体流动，从而便于做功以在阀片的配合下实现吸气。其中，由于阀片设于活塞的一端，其端面与阀片相接触，可在阀舌的作用下间断的向内吸气，以实现活塞组件的 正常运行。
为保证阀舌的正常工作，在将阀片设于活塞的一端时，阀舌位于阀片本体的安装口内。将部分或者全部安装口的轮廓与活塞靠近阀片的一端的周向轮廓匹配，当活塞与阀片贴合时，活塞可以与阀片紧密配合，以防止流体从缝隙中通过。在安装口内设有阀舌，阀舌打开时，流体可以从阀舌与活塞的空隙内流过。需要强调的是，由于活塞与阀片相匹配，可增大阀舌与安装口的轮廓之间的间隙，阀片本体不会因流体流过时受到激励而产生振动噪音。进一步地，当活塞组件用于制冷设备时，由于活塞与阀片紧密配合，可减小余隙容积，进而提升制冷量，可以提升制冷性能。
进一步地，活塞靠近阀片一端与安装口的轮廓相匹配，流体通过时，流体只能从安装口内通过。可以理解，安装口内流体可流通的面积越大，流体流动时对阀片的激励越小，阀片的噪音就越小。因此，应当尽量把安装口设计的较大，以降低流体通过时产生的噪音。当然，安装口的形状，也以根据实际需求进行设计。
需要说明地，与活塞的端面相匹配的结构可以为全部安装口，也可以为部分安装口，以实现活塞与阀片的紧密贴合。
其中，安装口的数量可根据实际使用需求灵活设置，可以为一个，也可以为多个，以提高阀片的利用率。
当然，阀舌也可以设置为一个或多个，以分别对独立的流体通道进行控制。
进一步地，阀舌可以根据实际需求设计为不同的形状。具体地，可以设计为长方形，这种形状易于加工，但是当受到流体冲击时，由于其与阀片本体的结合部较宽，需要较大流体冲力才能推开；还可以设计为上窄下宽的形状，这种形状相对而言，更易于被流体打开，更适合于气路阀门的使用。当然，考虑到活塞组件的实际应用环境，活塞组件安装空间大小等因素，可以根据实际需求进行灵活设计。
其中，阀舌与阀片本体可以采用焊接的方式进行连接，阀舌可以单独加工好后，再焊接在阀片上。当然，也可以是一体式结构，这种结构，相对而言，连接强度更高，使用寿命更长。另外，本申请提供的上述方案中 的活塞组件还可以具有如下附加技术特征：
上述技术方案中，活塞组件的活塞靠近阀片的一端设有配合槽，配合槽的形状与阀舌的形状相适配。
在该技术方案中，通过限定在活塞的一端设有配合槽，且将配合槽的形状与阀舌的形状相适配，从而在活塞安装至安装口上时，阀舌可以较为完整地嵌入配合槽内，并且可使阀片与活塞紧密贴合，二者之间不留空隙。这样，当阀舌打开，流体通过时，流体不会从阀舌和活塞之间的缝隙内漏出，产生噪音。同时，由于阀体与活塞紧密贴合，可以使从安装口流过的流体，全部进入活塞，对于使用活塞组件的制冷设备而言，可以因流体能够更充分的流入，而提升制冷量，实现降噪的提升制冷性能的双重效果。
上述技术方案中，阀舌的厚度与配合槽的厚度相等。
在该技术方案中，阀舌与配合槽的厚度相等，在阀舌关闭时，阀舌可以完整的嵌入配合槽内。在阀体与活塞贴合时，二者之间不易出现间隙，可以紧密的相互贴合。对于制冷设备，在运行过程中可以使阀舌与活塞之间不存留流体，进而提升制冷量。
上述技术方案中，阀舌具体包括：连接部，与阀片本体相连；延伸部，设于安装口内，且延伸部的一端与连接部相连。
在该技术方案中，阀舌包括连接部和延伸部，其中延伸部位于安装口内，可通过连接部与阀片本体相连。延伸部其他位置都不与阀片本体连接。这样的设计，使得阀舌除连接部的一侧侧壁与阀片本体连接外，其余部分的边缘均与安装口之间存在间隙。因此，安装口可以根据需要设计内径的形状。
进一步地，可以把延伸部与连接部的连接处设计的相对比较窄，这样会使阀舌更容易被打开。当阀舌关闭时，也不会对活塞产生强烈的拍打，产生噪声。
进一步地，由于延伸部只通过连接部与阀片本体相连，因此，安装口的形状可以与延伸部无关，只考虑与活塞的配合，进而使活塞能够与阀片紧密贴合。
上述技术方案中，连接部与阀片本体之间形成间隔槽，且间隔槽远离 安装口的一端形成加工孔。
在该技术方案中，通过在连接部与阀片本体之间设置间隔槽，使阀舌能够充分打开。可以理解，因为活塞与阀体紧密贴合，需要在流体通过时，阀舌能够充分打开，使流体能够顺畅通过。故而通过在连接部的边缘设置了间隔槽，使得阀舌可打开的长度更长，阀舌也相对更容易打开，气流更容易通过活塞组件。
为了加一步加强阀舌被打开的效果，在间隔槽远离安装口的一端设置加工孔。加工孔可以根据需要调整内径。在阀舌自身的尺寸相同的基础上，通过设置内径大小不同的加工孔，可以调节连接部与阀片本体的连接强度，具体地，加工孔的内径越大，连接部与阀片本体的连接位置的宽度越小，相对而言，阀片也越易于打开，但是同时，阀片的连接强度越小。
上述技术方案中，阀片远离活塞的一端的端面与活塞设置配合槽的一端的端面相重合。
在该技术方案中，通过限定活塞设有配合槽的端面，与阀片远离活塞的端面相重合，这样，当阀片与活塞相贴合，阀舌也没有打开的时候，活塞的端面与阀片远离活塞的端面平齐。当流体被阀片关闭通路时，平齐的端面不会使流体产生湍流，进而发出噪声。
进一步地，如果阀片上设有多个阀舌，可以有多个活塞共用一个阀片，阀舌关闭产生的流体冲击，不会对别的阀舌产生影响。
上述技术方案中，阀片在活塞的轴线上的投影与活塞至少部分重合，阀片套设于活塞的一端。
在该技术方案中，通过将阀片套设于活塞的一端，活塞与阀片可以进一步贴合。在此基础上，通过限定阀片和活塞之间在轴线方向上存在至少部分重合的部分，也即阀片至少嵌入活塞的一端，这样，会使得在轴向方向上二者的间隙较小，一方面利于轴向尺寸的减小，另一方面也利于减少流体在流动时对安装口产生的冲击，进而降低噪声。
上述技术方案中，活塞组件的阀片本体和阀舌一体成型。
在该技术方案中，阀片本体与阀舌一体成型，这种方式，相对于其他方式，连接强度更大，减小不必要的连接结构，因此可以把阀舌与阀片本 体的连接位置设计的相对窄，使阀舌更易被流体打开。此外，由于一体的设计，阀舌与阀片的连接可以更加平整，进而与活塞组件更好的贴合。
当阀舌关断流体通道时，与活塞端面贴合紧密，可以彻底的关断流体通道。
本申请第二方面的实施例提供了一种压缩机组件，包括：压缩机，压缩机上设有吸气口；上述第一方面实施例中提供的活塞组件，设于吸气口。
根据本申请第二方面的实施例提供的压缩机组件，包括压缩机和活塞组件。其中活塞组件设于吸气口。从吸气口通过的气体，会因活塞组件能够打开和关闭气体通道，而实现对送入压缩机气体的通道打开和关闭。
由于压缩机组件包括上述第一方面实施例中任一活塞组件，故而压缩机组件也具有上述第一方面实施例的任一有益效果，在此不再赘述。
由于活塞组件可以让进入的气体充分的通过活塞进入压缩机，提升压缩机的效能，因此压缩机组件的效能也会提升。
本申请第三方面的实施例提供了一种制冷设备，包括：壳体；上述第二方面实施例中提供的压缩机组件，设于壳体内。
根据本申请第三方面的实施例提供的制冷设备，包括壳体以及设于壳体内的压缩机组件。其中，壳体提供保护效果，而压缩机组件包括活塞组件。因此，制冷设备具有噪音小和高效能的特性。
其中，制冷设备可以为冰箱、冰柜、空调等可以制冷的设备。
当然，由于制冷设备包括上述第二方面实施例中的任一压缩机组件，故而具有上述第二方面实施例的任一有益效果，在此不再赘述。
本申请的附加方面和优点将在下面的描述部分中变得明显，或通过本申请的实践了解到。
附图说明
图1示出了根据本申请的一个实施例的流体通过活塞组件时降低噪音的效果图；
图2示出了根据本申请的一个实施例的活塞组件的结构示意图；
图3示出了根据本申请的一个实施例的阀片的结构示意图；
图4示出了根据本申请的一个实施例的活塞的结构示意图；
图5示出了根据本申请的一个实施例的阀片的结构示意图；
图6示出了根据本申请的一个实施例的阀片的结构示意图；
图7示出了根据本申请的一个实施例的阀片的结构示意图；
图8示出了根据本申请的一个实施例的活塞组件的结构示意图；
图9示出了根据本申请的一个实施例的活塞组件的结构示意图；
图10示出了根据本申请的一个实施例的压缩机组件的结构示意图；
图11示出了根据本申请的一个实施例的制冷设备的结构示意图。
其中，图1至图11中附图标记与部件名称之间的对应关系为：
1：活塞组件；2：压缩机组件；3：制冷设备；102：活塞；104：配合槽；106：阀片；108：安装口；110：阀片本体；112：阀舌；114：连接部；116：延伸部；118：加工孔；120：间隔槽；202：吸气口；204：压缩机；302：壳体。
具体实施方式
为了能够更清楚地理解本申请的实施例的上述目的、特征和优点，下面结合附图和具体实施方式对本申请的实施例进行进一步的详细描述。需要说明的是，在不冲突的情况下，本申请的实施例及实施例中的特征可以相互组合。
在下面的描述中阐述了很多具体细节以便于充分理解本申请，但是，本申请的实施例还可以采用其他不同于在此描述的其他方式来实施，因此，本申请的保护范围并不限于下面公开的具体实施例的限制。
下面参照图1至图11描述根据本申请的一些实施例。
实施例一
如图2所示，本实施例提供了一种活塞组件1：包括活塞102，阀片106。阀片106设于活塞102一端。其中，阀片106包括阀片本体110和阀舌112。阀片本体110上设有安装口108，阀舌112设在安装口108内。
为保证阀舌112的正常工作，在将阀片106设于活塞102的一端时，阀舌112位于阀片本体110的安装口108内。至少部分安装口108的轮廓 与活塞102靠近阀片106的一端的周向轮廓匹配，当活塞102与阀片106贴合时，活塞102可以与阀片106紧密配合，以防止流体从缝隙中通过。在安装口108内设有阀舌112，阀舌112打开时，流体可以从阀舌112与活塞102的空隙内流过。需要强调的是，由于活塞102与阀片106相匹配，可增大阀舌112与安装口108的轮廓之间的间隙，阀片本体110不会因流体流过时受到激励而产生振动噪音。进一步地，当活塞组件1用于制冷设备3时，由于活塞102与阀片106紧密配合，可减小余隙容积，进而提升制冷量，可以提升制冷性能。
如图1所示，示出了根据本实施例所示的阀片106进行模态仿真时的结构变形云图，可明显发现阀舌112周围的受力较为平均，通过采用形状与活塞102相匹配的阀片106，从而使得阀片106除阀舌112外，均未受到流体流动时产生的激励，可以极大的降低因流体流动而产生的噪音。
进一步地，活塞102靠近阀片106一端与安装口108的轮廓相匹配，流体通过时，流体只能从安装口108内通过。可以理解，安装口108内流体可流通的面积越大，流体流动时对阀片106的激励越小，阀片106的噪音就越小。因此，应当尽量把安装口108设计的较大，以降低流体通过时产生的噪音。当然，安装口108的形状，也以根据实际需求进行设计。
需要说明地，与活塞102的端面相匹配的结构可以为全部安装口108，也可以为部分安装口108，以实现活塞102与阀片106的紧密贴合。
其中，安装口108的数量可根据实际使用需求灵活设置，可以为一个，也可以为多个，以提高阀片106的利用率。
当然，阀舌112也可以设置为一个或多个，以分别对独立的流体通道进行控制。
进一步地，阀舌112可以根据实际需求设计为不同的形状。具体地，可以设计为长方形，这种形状易于加工，但是当受到流体冲击时，由于其与阀片本体110的结合部较宽，需要较大流体冲力才能推开；还可以设计为上窄下宽的形状，这种形状相对而言，更易于被流体打开，更适合于气路阀门的使用。当然，考虑到活塞组件1的实际应用环境，活塞组件1安装空间大小等因素，可以根据实际需求进行灵活设计。
其中，阀舌112与阀片本体110可以采用焊接的方式进行连接，阀舌112可以单独加工好后，再焊接在阀片106上。当然，也可以是一体式结构，这种结构，相对而言，连接强度更高，使用寿命更长。
在一个具体的实施例中，安装口108内的阀舌112设置为一个或多个。阀舌112之间各自独立对不同的流体通道进行控制。
在另一个具体的实施例中，阀片本体110上设置有多个安装口108，不同的安装口108各自设置不同的阀舌112，可以提高阀片106的利用率。
实施例二
如图3，图4所示，本实施例提供了一种活塞组件1，包括活塞102，阀片106。阀片106设于活塞102一端。其中，阀片106包括阀片本体110和阀舌112。阀片本体110上设有安装口108，阀舌112设在安装口108内。
为保证阀舌112的正常工作，在将阀片106设于活塞102的一端时，阀舌112位于阀片本体110的安装口108内。至少部分安装口108的轮廓与活塞102靠近阀片106的一端的周向轮廓匹配，当活塞102与阀片106贴合时，活塞102可以与阀片106紧密配合，以防止流体从缝隙中通过。在安装口108内设有阀舌112，阀舌112打开时，流体可以从阀舌112与活塞102的空隙内流过。需要强调的是，由于活塞102与阀片106相匹配，可增大阀舌112与安装口108的轮廓之间的间隙，阀片本体110不会因流体流过时受到激励而产生振动噪音。进一步地，当活塞组件1用于制冷设备3时，由于活塞102与阀片106紧密配合，可减小余隙容积，进而提升制冷量，可以提升制冷性能。
进一步地，活塞102靠近阀片106一端与安装口108的轮廓相匹配，流体通过时，流体只能从安装口108内通过。可以理解，安装口108内流体可流通的面积越大，流体流动时对阀片106的激励越小，阀片106的噪音就越小。因此，应当尽量把安装口108设计的较大，以降低流体通过时产生的噪音。当然，安装口108的形状，也以根据实际需求进行设计。
需要说明地，与活塞102的端面相匹配的结构可以为全部安装口108，也可以为部分安装口108，以实现活塞102与阀片106的紧密贴合。
其中，安装口108的数量可根据实际使用需求灵活设置，可以为一个， 也可以为多个，以提高阀片106的利用率。
当然，阀舌112也可以设置为一个或多个，以分别对独立的流体通道进行控制。
进一步地，阀舌112可以根据实际需求设计为不同的形状。具体地，可以设计为长方形，这种形状易于加工，但是当受到流体冲击时，由于其与阀片本体110的结合部较宽，需要较大流体冲力才能推开；还可以设计为上窄下宽的形状，这种形状相对而言，更易于被流体打开，更适合于气路阀门的使用。当然，考虑到活塞组件1的实际应用环境，活塞组件1安装空间大小等因素，可以根据实际需求进行灵活设计。
其中，阀舌112与阀片本体110可以采用焊接的方式进行连接，阀舌112可以单独加工好后，再焊接在阀片106上。当然，也可以是一体式结构，这种结构，相对而言，连接强度更高，使用寿命更长。
阀舌112的延伸部116在安装口108内，通过连接部114与阀片本体110相连。延伸部116其他位置都不与阀片本体110连接。这样的设计，使得阀舌112除连接部114与阀片本体110连接外，其余部分都不与阀体相连。因此，安装口108可以根据需要设计内径的形状。
阀舌112可以把延伸部116与连接部114的连接处设计的相对比较窄，这样会使阀舌112更容易被打开。当阀舌112关闭时，也不会对活塞102产生强烈的拍打，产生噪声。其下部相对较宽的部分，可以有效的关断活塞102的气路。
在一个具体的实施例中，阀舌112可以设计为长方形，其连接部114和延伸部116的宽度一致。相对于上窄下宽的阀舌112，结构较为简单，可以以附加的方式固定在阀片106上。
实施例三
在实施例二的基础上，如图3所示，连接部114与阀片本体110之间形成间隔槽120，使阀舌112能够充分打开。
因为活塞102与阀体紧密贴合，需要在流体通过时，阀舌112能够充分打开，使流体能够顺畅通过。设置了间隔槽120，可以使阀舌112可打开的长度更长，因此也可以打开更大的角度。进一步地，由于设置了间隔 槽120，阀舌112可打开的长度更长，阀舌112也相对更容易打开，气流更容易通过活塞组件1。
进一步地，为了加一步加强阀舌112被打开的效果，在间隔槽120远离安装口108的一端设置加工孔118。加工孔118可以根据需要调整内径。在阀舌112自身的尺寸相同的基础上，通过设置内径大小不同的加工孔118，可以调节连接部114与阀片本体110的连接强度，具体地，加工孔118的内径越大，连接部114与阀片本体110的连接位置的宽度越小，相对而言，阀片106也越易于打开，但是同时，阀片106的连接强度越小。
实施例四
如图6所示，本实施例提供了一种活塞组件1：包括活塞102，阀片106。阀片106设于活塞102一端。其中，阀片106包括阀片本体110和阀舌112。阀片本体110上设有安装口108，安装口108的形状如图6所示。部分安装口108与活塞102的端面靠近阀片106的一端相匹配。部分阀舌112设在安装口108内。阀片本体110的间隔槽120与加工孔118设在安装口108外。
当活塞102与阀片106贴合时，活塞102可以与阀片106紧密配合，以防止流体从缝隙中通过。在安装口108内设有阀舌112，阀舌112打开时，流体可以从阀舌112与活塞102的空隙内流过。此时，由于活塞102与阀片106紧密配合，阀片本体110不会因流体流过时受到激励而产生振动噪音。进一步地，当活塞组件1用于制冷设备3时，由于活塞102与阀片106紧密配合，可减小余隙容积，进而提升制冷量，可以提升制冷性能。
实施例五
如图7所示，本实施例提供了一种活塞组件1：包括活塞102，阀片106。阀片106设于活塞102一端。其中，阀片106包括阀片本体110和阀舌112。阀片本体110上设有安装口108，安装口108的形状如图7所示。安装口108与活塞102端面靠近阀片106的一端相匹配。部分阀舌112设在安装口108内。阀片本体110的间隔槽120与加工孔118设在安装口108外。
当活塞102与阀片106贴合时，活塞102可以与阀片106紧密配合， 以防止流体从缝隙中通过。在安装口108内设有阀舌112，阀舌112打开时，流体可以从阀舌112与活塞102的空隙内流过。此时，由于活塞102与阀片106紧密配合，阀片本体110不会因流体流过时受到激励而产生振动噪音。进一步地，当活塞组件1用于制冷设备3时，由于活塞102与阀片106紧密配合，可减小余隙容积，进而提升制冷量，可以提升制冷性能。
实施例六
在上述任一实施例的基础上，进一步限定活塞组件1的结构，如图3所示，阀片本体110与阀舌112一体成型，这种方式，相对于其他方式，连接强度更度，因此可以把阀舌112与阀片本体110的连接位置设计的相对窄，使阀舌112更易被流体打开。其次阀舌112与阀片106的连接可以更加平整，进而与活塞组件1更好的贴合。当阀舌112关断流体通道时，与活塞102端面贴合紧密，可以彻底的关断流体通道。
在一个具体的实施例中，阀舌112的连接部114通过点焊的方式与阀片106连接。在连接部114与阀片106电焊连接的位置，有若干焊点。这种方式，可以在需要的时候，通过点焊为阀片106增加阀舌112，以改变活塞组件1的结件。但是电焊的方式相对于一体成型，首先其连接强度较差，反复的开闭阀舌112，阀舌112有可能从阀片106上脱落。其次，点焊处不平整，阀片106和活塞102的端面之间的贴合会因为点焊处造成的不平整产生间隙，最终使阀舌112不能彻底关闭活塞102，出现漏气。
实施例七
在上述任一实施例的基础上，进一步限定活塞组件1的结构，如图3、图4、图5和图8所示，活塞102靠近阀片106的一端设有配合槽104，配合槽104的形状与阀舌112的形状相适配，当活塞102与安装口108进行匹配时，阀舌112可以嵌入配合槽104内，进一步的使阀片106与活塞102紧密贴合，二者之间不留空隙。这样，当阀舌112打开，流体通过时，流体不会从阀舌112和活塞102之间的缝隙内漏出，产生噪音。同时，由于阀体与活塞102紧密贴合，可以使从安装口108流过的流体，全部进入活塞102，对于使用活塞组件1的制冷设备3而言，可以因流体能够更充分的流入，而提升制冷量，实现降噪的提升制冷性能的双重目标。
进一步地，如图9所示，阀舌112与配合槽104的厚度相等，在阀舌112关闭时，阀舌112可以完整的嵌入配合槽104内。在阀体与活塞102贴合时，厚度相同，二者之间不易出现间隙，可以紧密的相互贴合。对于制冷设备3，阀体，尤其是阀合，与活塞102端面紧密贴合，可以使阀舌112与活塞102之间不存留流体，进而提升制冷量。
在一个具体的实施例中，活塞102设置配合槽104的端面，与阀片106远离活塞102的端面重合，这样，当阀片106与活塞102相贴合，阀舌112也没有打开的时候，活塞102的端面与阀片106远离活塞102的端面平齐。当流体被阀片106关闭通路时，平齐的端面不会使流体产生湍流，进而发出噪声。
进一步地，如果阀片106上设有多个阀舌112，可以有多个活塞102共用一个阀片106，阀舌112关闭产生的流体冲击，不会对别的阀舌112产生影响。
在另一个具体的实施例中，阀片106套设于活塞102一端，活塞102与阀片106可以进一步贴合。可以理解，安装口108的内径应略大于活塞102的外径，活塞102与阀片106的安装口108紧密配合。这样，当流体从活塞102端口通过时，与安装口108的轴向内壁较远，不会对安装口108产生冲击，进而发出噪声。此外，阀片106与活塞102端面之间，不会再存在有间隙，进而存留有流体。当阀舌112打开时，流体可以完全的通过活塞102。
实施例八
如图10所示，本实施例提供了一种压缩机组件2，包括压缩机204，如上述实施例中任一项的活塞组件1。其中，压缩机204上设有吸气口202，活塞组件1设于吸气口202处。从吸气口202通过的气体，会因活塞组件1能够打开和关闭气体通道，而实现对送入压缩机204气体的通道打开和关闭。由于活塞组件1具有降噪的有益效果，故而压缩机组件2也具有实施例一至七中任一实施例的任一有益效果，在此不再赘述。
由于活塞组件1可以让进入的气体充分的通过活塞102进入压缩机204，提升压缩机204的效能，因此压缩机组件2的效能也会提升。
实施例九
如图11所示，本实施例提供了一种制冷设备3，包括壳体302，上述第二方面实施例中的任一压缩机组件2。其中，压缩机组件2设于壳内。
制冷设备3的壳体302内设有压缩机组件2，压缩机组件2包括上述第一方面实施例中的活塞组件1。因此，制冷设备3具有噪音小和高效能的特性。当然，由于制冷设备3包括上实施例八压缩机组件2，故而具有上述第一方面实施例的任一有益效果，在此不再赘述。
根据本申请的活塞组件、压缩机组件和制冷设备的实施例，在阀片设置安装口，安装口的轮廓与活塞靠近阀片的一端相匹配，增大了阀舌与安装口的轮廓之间的间隙，降低了阀片被流体激励产生的噪音；对于制冷设备而言，活塞靠近阀片的端面设有配合槽，可减小余隙容积，提升制冷量；从而达到了提升制冷性能和降低噪音的双重目标，保证了压缩机的整体性能。
在本申请中，术语“第一”、“第二”、“第三”仅用于描述的目的，而不能理解为指示或暗示相对重要性；术语“多个”则指两个或两个以上，除非另有明确的限定。术语“安装”、“相连”、“连接”、“固定”等术语均应做广义理解，例如，“连接”可以是固定连接，也可以是可拆卸连接，或一体地连接；“相连”可以是直接相连，也可以通过中间媒介间接相连。对于本领域的普通技术人员而言，可以根据具体情况理解上述术语在本申请中的具体含义。
本申请的描述中，需要理解的是，术语“上”、“下”、“左”、“右”、“前”、“后”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本申请和简化描述，而不是指示或暗示所指的装置或单元必须具有特定的方向、以特定的方位构造和操作，因此，不能理解为对本申请的限制。
在本说明书的描述中，术语“一个实施例”、“一些实施例”、“具体实施例”等的描述意指结合该实施例或示例描述的具体特征、结构、材料或特点包含于本申请的至少一个实施例或示例中。在本说明书中，对上述术语的示意性表述不一定指的是相同的实施例或实例。而且，描述的具体特征、结构、材料或特点可以在任何的一个或多个实施例或示例中以合适的方式 结合。
以上仅为本申请的优选实施例而已，并不用于限制本申请，对于本领域的技术人员来说，本申请可以有各种更改和变化。凡在本申请的精神和原则之内，所做的任何修改、等同替换、改进等，均应包含在本申请的保护范围之内。

Claims (10)

  1. 一种活塞组件，其中，包括：
    活塞；
    阀片，设于所述活塞的一端，所述阀片包括设有安装口的阀片本体和阀舌，所述阀舌与所述阀片本体相连，且至少部分所述阀舌设于所述安装口内，
    其中，至少部分所述安装口的轮廓与所述活塞靠近所述阀片的一端的周向轮廓相匹配。
  2. 根据权利要求1所述的活塞组件，其中，所述活塞靠近所述阀片的一端设有配合槽，所述配合槽的形状与所述阀舌的形状相适配。
  3. 根据权利要求2所述的活塞组件，其中，所述阀舌的厚度与所述配合槽的厚度相等。
  4. 根据权利要求2所述的活塞组件，其中，所述阀舌具体包括：
    连接部，与所述阀片本体相连；
    延伸部，设于所述安装口内，且所述延伸部的一端与所述连接部相连。
  5. 根据权利要求4所述的活塞组件，其中，所述连接部与所述阀片本体之间形成间隔槽，且所述间隔槽远离所述安装口的一端形成加工孔。
  6. 根据权利要求2所述的活塞组件，其中，
    所述阀片远离所述活塞的一端的端面与所述活塞设置所述配合槽的一端的端面相重合。
  7. 根据权利要求1至6中任一项所述的活塞组件，其中，所述阀片在所述活塞的轴线上的投影与所述活塞至少部分重合，所述阀片套设于所述活塞的一端。
  8. 根据权利要求1至6中任一项所述的活塞组件，其中，所述阀片本体和所述阀舌一体成型。
  9. 一种压缩机组件，其中，包括：
    压缩机，所述压缩机上设有吸气口；
    如权利要求1至8中任一项所述的活塞组件，设于所述吸气口。
  10. 一种制冷设备，其中，包括：
    壳体；
    如权利要求9所述的压缩机组件，设于所述壳体内。
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