WO2021077640A1 - 连接结构、排气消音器、消音器以及压缩机 - Google Patents

连接结构、排气消音器、消音器以及压缩机 Download PDF

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Publication number
WO2021077640A1
WO2021077640A1 PCT/CN2020/072065 CN2020072065W WO2021077640A1 WO 2021077640 A1 WO2021077640 A1 WO 2021077640A1 CN 2020072065 W CN2020072065 W CN 2020072065W WO 2021077640 A1 WO2021077640 A1 WO 2021077640A1
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WO
WIPO (PCT)
Prior art keywords
sealing
exhaust pipe
wall
muffler
exhaust
Prior art date
Application number
PCT/CN2020/072065
Other languages
English (en)
French (fr)
Inventor
胡彬彬
宋东东
黄刚
严志奇
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
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 JP2022519412A priority Critical patent/JP7375181B2/ja
Publication of WO2021077640A1 publication Critical patent/WO2021077640A1/zh
Priority to US17/722,728 priority patent/US20220243712A1/en

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Classifications

    • 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
    • F04B39/0027—Pulsation and noise damping means
    • F04B39/0055—Pulsation and noise damping means with a special shape of fluid passage, e.g. bends, throttles, diameter changes, pipes
    • F04B39/0072—Pulsation and noise damping means with a special shape of fluid passage, e.g. bends, throttles, diameter changes, pipes characterised by assembly or mounting
    • 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
    • F04B39/12—Casings; Cylinders; Cylinder heads; Fluid connections
    • F04B39/121—Casings
    • 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
    • F04B39/0027—Pulsation and noise damping means
    • F04B39/0055—Pulsation and noise damping means with a special shape of fluid passage, e.g. bends, throttles, diameter changes, pipes
    • 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
    • F04B39/0027—Pulsation and noise damping means
    • F04B39/0055—Pulsation and noise damping means with a special shape of fluid passage, e.g. bends, throttles, diameter changes, pipes
    • F04B39/0061—Pulsation and noise damping means with a special shape of fluid passage, e.g. bends, throttles, diameter changes, pipes using muffler volumes
    • 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
    • F04B39/0027—Pulsation and noise damping means
    • F04B39/0083—Pulsation and noise damping means using blow off silencers
    • 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
    • F04B39/12—Casings; Cylinders; Cylinder heads; Fluid connections
    • F04B39/123—Fluid connections
    • 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
    • F04B39/14—Provisions for readily assembling or disassembling
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies

Definitions

  • This application relates to the technical field of compressors, and in particular to a connection structure, an exhaust muffler, a muffler and a compressor.
  • silencers are usually used in compressors.
  • the number of integrated silencer components is relatively high. It is easy to produce and install, but the muffler shell and the exhaust pipe are welded together, and different non-metal materials cannot be used for the muffler shell and the exhaust pipe, and the material cost is relatively high.
  • This application aims to solve at least one of the technical problems existing in the prior art or related technologies.
  • an object of the present application is to provide a connection structure.
  • Another object of the present application is to provide an exhaust muffler.
  • Another object of the present application is to provide a silencer.
  • Another object of the present application is to provide a compressor.
  • the first aspect of the present application provides a connection structure, including: a connecting shell, a muffler cavity is formed in the connecting shell, and a sealing portion is provided in the muffler cavity; an exhaust pipe assembly, an exhaust pipe The assembly and the sealing part are detachably connected, wherein one end of the exhaust pipe assembly penetrates the sealing part and extends into the muffler cavity, and the other end of the exhaust pipe assembly is arranged outside the connecting shell to communicate the muffler cavity and the connecting shell through the exhaust pipe assembly The external space of the body.
  • a muffler cavity is formed in the connecting shell to reduce the noise of the compressor during application through the muffler cavity, and one end of the exhaust pipe assembly extends through the sealing portion into the muffler cavity, and the exhaust
  • the other end of the pipe assembly is arranged outside the connecting housing to connect the muffler cavity and the external space of the connecting housing through the exhaust pipe assembly, so that the refrigerant flows out of the muffler cavity through the exhaust pipe assembly after it flows into the muffler cavity and flows out of the muffler cavity.
  • the exhaust pipe assembly and the sealing part can be detachably connected, so that the exhaust pipe assembly and the connecting shell can use different non-metallic materials to save material costs.
  • the connecting shell can use PBT (that is, Polybutylene terephthalate) material
  • the exhaust pipe adopts PA66 (ie polyhexamethylene adipamide) material to meet the requirements of high temperature and high pressure resistance of the exhaust pipe. It is understandable that through the exhaust pipe The detachable connection between the assembly and the sealing part can use different non-metallic materials to reduce the material cost of the muffler under the requirements of the connecting shell and the exhaust pipe.
  • the exhaust pipe assembly specifically includes: an exhaust pipe and a connecting piece provided on the exhaust pipe;
  • the exhaust pipe specifically includes: a pipeline main body; a connecting portion connected to the pipeline main body, and the connecting portion is provided with At the end of the pipeline body close to the muffler cavity; wherein the end of the connecting portion away from the pipeline body is connected to the sealing portion to restrict the movement of the exhaust pipe to the outside of the casing.
  • the exhaust pipe assembly includes an exhaust pipe and a connecting piece.
  • the exhaust pipe specifically includes a connecting portion and a pipe body that are connected to each other.
  • the connecting portion is provided at an end of the pipe body close to the muffler cavity, so that the connecting portion It is connected to the sealing part in the silencing chamber, and the pipe main body is arranged outside the silencing chamber. Further, the end of the connecting part away from the pipe main body is connected to the sealing part to restrict the movement of the exhaust pipe to the outside of the connecting housing.
  • the end of the connecting part away from the pipeline body passes through the sealing part and is arranged in the silencing chamber, and the end of the connecting part close to the pipeline body is arranged outside the connecting housing, so that the silencing chamber and the external space of the connecting housing are connected through the connecting part.
  • connecting part and the pipeline body are integrally formed, which makes the structure of the exhaust pipe simpler, facilitates assembly, and is beneficial to improve the air tightness of the exhaust pipe.
  • the end of the connecting part away from the main body of the pipeline can be clamped with the sealing part.
  • the exhaust pipe is restricted from moving to the outside of the casing, and on the other hand, it is convenient to quickly find the installation position of the connecting part and the sealing part.
  • the end of the connecting part away from the main body of the pipeline can also be against the sealing part, only restricting the movement of the exhaust pipe relative to the connecting housing to the outside of the connecting housing, and the exhaust pipe can be relatively
  • the connecting shell moves in the inner direction of the connecting shell, so that the exhaust pipe can move along the inner direction of the connecting shell, so as to extract the exhaust pipe from the assembly position and realize the disassembly of the exhaust pipe and the connecting shell.
  • the connecting piece is detachably connected to the connecting portion, wherein the connecting piece abuts against the outer wall of the connecting housing to restrict the movement of the exhaust pipe to the inside of the connecting housing.
  • the connecting piece is detachably connected to the connecting portion, and the connecting piece abuts against the outer wall of the connecting shell, so that the exhaust pipe is restricted from moving in the direction of the inside of the connecting shell through the connecting piece.
  • One end of the pipe body abuts against the sealing part, restricting the movement of the exhaust pipe to the outside of the connecting housing, thereby fixing the exhaust pipe on the connecting housing.
  • the connecting piece is detachably connected to the connecting part.
  • the exhaust pipe When the connector is disassembled, the exhaust pipe can be drawn out from the direction in which the sealing part is connected to the inside of the housing to realize the detachment of the exhaust pipe assembly and the connecting housing, or it can be inserted in the direction of connecting the outside of the housing, and then the connector It is connected to the connecting part to realize the fixation and installation of the exhaust pipe assembly and the connecting shell.
  • it further includes: a thread arranged on the outer wall of the connecting part close to one end of the pipeline main body; wherein the connecting piece is a nut, and the nut corresponding to the thread is arranged on the connecting part, and the exhaust pipe is realized by the cooperation of the nut and the thread.
  • the detachable connection between the component and the sealing part is realized by the cooperation of the nut and the thread.
  • a thread is provided on the outer wall of the connecting part close to the end of the pipeline body, and the connecting piece is a nut matched with the thread, and the exhaust pipe is pulled to the side close to the pipeline body through the cooperation of the nut and the thread.
  • the nut can also be used to provide a pre-tightening force for the connection between the connecting part and the connecting shell to improve the stability of the assembly .
  • the number of nuts can be one or two, and the use of double nuts can prevent the automatic loosening of the nuts.
  • a card slot which is provided on the outer wall of the connecting part close to one end of the pipeline main body; wherein the connector is a snap ring, which is provided in the card slot, and the exhaust is achieved through the cooperation of the snap ring and the card slot.
  • the connecting piece is a snap ring, and the snap ring is arranged in the groove to realize the detachable connection between the exhaust pipe assembly and the sealing part, which is convenient for Quick assembly and disassembly of exhaust pipe and connecting shell.
  • a sealing element the sealing element is ring-shaped, the sealing element is sleeved on the connecting part, one side of the sealing element is connected to the outer wall of the connecting part, and the other side is connected to the inner wall of the sealing part to
  • the sealing member realizes the sealing connection between the exhaust pipe and the sealing part.
  • a ring-shaped seal is provided on the connecting part, one side of the seal is connected to the outer wall of the connecting part, and the other side is connected to the inner wall of the sealing part to seal the outer wall of the connecting part and the sealing part.
  • the gap between the inner walls of the exhaust pipe realizes the sealed connection between the exhaust pipe and the sealing part, and prevents the high-pressure refrigerant from leaking outward through the gap between the connection part of the exhaust pipe and the sealing part.
  • the inner wall of the sealing portion protrudes inward to form a first limiting portion
  • the outer wall of the connecting portion protrudes outward to form a second limiting portion, wherein the first limiting portion is passed through the first limiting portion.
  • the cooperation of the part and the second limiting part restricts the movement of the exhaust pipe in the direction connecting the outside of the housing.
  • the inner wall of the sealing portion protrudes inward to form the first limiting portion; along the radial direction of the sealing portion, the outer wall of the connecting portion protrudes outward to form the second limiting portion,
  • the second limiting portion is provided in the sealing portion, and along the axial direction of the connecting portion, the side of the second limiting portion close to the main body of the pipeline abuts against the side of the first limiting portion away from the main body of the pipeline, thereby restricting the drainage
  • the air pipe moves in a direction connecting the outside of the housing.
  • a first accommodating space is provided between the outer wall of the second limiting portion and the inner wall of the sealing portion, and the sealing element is provided in the first accommodating space; and/or along the sealing portion In the axial direction, a second accommodating space is provided between the first limiting portion and the second limiting portion, and the sealing element is provided in the second accommodating space.
  • a first accommodating space is formed between the outer wall of the second limiting part and the inner wall of the sealing part, and the sealing element is arranged in the first accommodating space.
  • the outer wall is connected with the inner wall of the sealing part, and the inner wall of the sealing element is connected with the second limiting part to realize the sealing connection between the exhaust pipe and the sealing part; on the other hand, the sealing element is arranged in the first accommodating space to limit the sealing.
  • the movement of the part relative to the connecting part along the axial direction of the connecting part prevents the sealing part from sliding out of the second limiting part during the installation of the exhaust pipe assembly; or along the axial direction of the sealing part, the first limiting part and the second limiting part
  • a second accommodating space is formed between the two limiting parts, and the sealing element is arranged in the second accommodating space, so that the sealing element seals the exhaust pipe and the sealing part along the axial direction of the sealing part.
  • the seal is arranged in the second accommodation space to buffer the pressure applied to the seal by the second limit part, so as to avoid damage to the seal due to excessive pressure and damage to the seal. Tightness; understandably, the first accommodating space and the second accommodating space are provided at the same time, and a sealing element is provided in each accommodating space to seal the connection part and the sealing part respectively along the axial direction of the sealing part and the radial direction of the sealing part The gap between the two can further improve the sealing effect.
  • a sealing groove which is provided on the outer wall of the second limiting portion, the sealing groove and the inner wall of the sealing portion form a first accommodating space;
  • the sealing member specifically includes: a first sealing member, a first sealing member It is sleeved in the sealing groove, in which, along the radial direction of the first sealing element, the outer wall of the first sealing element is connected with the inner wall of the sealing portion, and the inner wall of the first sealing element is connected with the bottom of the sealing groove to realize the exhaust pipe and Sealed connection of the sealing part.
  • a sealing groove is provided on the outer wall of the second limiting part, the sealing groove is arranged in the sealing part, and the sealing groove and the inner wall of the sealing part form a first containing space, and the sealing element specifically includes a first sealing element, The first sealing element is arranged in the sealing groove, along the radial direction of the first sealing element, the outer wall of the first sealing element is connected with the inner wall of the sealing part, and the inner wall of the first sealing element is connected with the bottom of the sealing groove to realize the The gap between the connecting portion and the sealing portion is radially sealed, thereby realizing a sealed connection between the exhaust pipe and the sealing portion.
  • the first restricting portion has a stepped structure, and the first restricting portion specifically includes: a first step arranged on the side of the first restricting portion away from the main body of the pipeline; and a second step arranged on the first The limiting portion is close to one side of the pipeline main body; the sealing member specifically includes: a second sealing member, wherein a second accommodating space is formed between the second limiting portion and the second step, and the second sealing member is provided in the second accommodating space And along the axial direction of the second sealing element, the two ends of the second sealing element are respectively connected with the second limiting part and the second step, so as to realize the sealing connection between the exhaust pipe and the sealing part.
  • the first limiting portion has a stepped structure
  • the first limiting portion includes a first step and a second step
  • the first step is provided on the side of the first limiting portion away from the main body of the pipeline.
  • the two steps are provided on the side of the first limiting portion close to the main body of the pipeline, so that along the axial direction of the connecting portion, the side of the second limiting portion close to the main body of the pipeline abuts against the first step, making the second limiting portion and
  • a second accommodating space is formed between the second steps
  • the sealing member specifically includes a second sealing member.
  • the second sealing member is arranged in the second accommodating space along the axial direction of the second sealing member, and both ends of the second sealing member are respectively It is connected with the second limiting part and the second step, and seals the gap between the connecting part and the sealing part along the axial direction of the sealing part, so as to realize the sealing connection between the exhaust pipe and the sealing part.
  • the technical solution of the second aspect of the present application provides an exhaust muffler, comprising: a housing; the connection structure in any one of the technical solutions of the first aspect, wherein the connection housing of the connection structure is connected to the housing;
  • the exhaust muffler cavity is arranged in the shell, and the muffler cavity of the connection structure is communicated with the exhaust muffler cavity.
  • the exhaust muffler proposed according to the present application includes the connection structure of any one of the technical solutions of the first aspect described above, and the connection housing of the connection structure is connected to the housing of the exhaust muffler, and the exhaust muffler cavity is in communication with the muffler cavity, Therefore, it has the technical effect of any one of the above-mentioned technical solutions in the first aspect, and will not be repeated here.
  • the third aspect of the technical solution of the present application provides a muffler, including: a suction muffler with a suction muffler cavity in the suction muffler; the exhaust muffler in the above-mentioned second aspect of the technical solution, the exhaust muffler The device is connected to the suction muffler, and the exhaust muffler cavity is in communication with the suction muffler cavity.
  • the muffler proposed according to the present application includes a suction muffler, and a suction muffler cavity is provided in the suction muffler to reduce the noise of the compressor during the application process through the suction muffler cavity.
  • the second aspect of the technical solution is exhaust The air muffler is connected to the suction muffler, and the exhaust muffler cavity is connected to the suction muffler cavity, so it has the technical effect of the technical solution of the second aspect described above, and will not be repeated here.
  • the technical solution of the fourth aspect of the present application provides a compressor, including: a casing; the muffler of the technical solution of the third aspect is arranged in the casing, so it has the technical effect of the technical solution of the third aspect, which is not here. Go into details again.
  • Fig. 1 shows a schematic structural diagram of a connection structure according to an embodiment of the present application
  • Fig. 2 shows an enlarged schematic diagram of part A in Fig. 1;
  • Fig. 3 shows a schematic structural diagram of an exhaust pipe according to an embodiment of the present application.
  • connecting housing 10 connecting housing, 12 muffler chamber, 14 sealing part, 20 exhaust pipe assembly, 22 exhaust pipe, 24 connecting piece, 224 pipe main body, 226 connecting part, 30 sealing piece, 32 first sealing piece, 34 second Sealing element, 142 first limiting portion, 1422 first step, 1424 second step, 2262 second limiting portion, 2264 first accommodating space, 2266 sealing groove, 1426 second accommodating space.
  • connection structure which defines:
  • the connection structure includes: a connecting housing 10 and an exhaust pipe assembly 20, wherein a muffler cavity 12 is formed in the connecting housing 10 to reduce the noise of the compressor during application through the muffler cavity 12, and the exhaust pipe assembly 20 One end extends through the sealing portion 14 into the muffler cavity 12, and the other end of the exhaust pipe assembly 20 is arranged outside the connecting housing 10 to connect the muffler cavity 12 and the external space of the connecting housing 10 through the exhaust pipe assembly 20, so that the refrigerant After flowing into the silencing chamber 12 to be silenced, it flows out of the silencing chamber 12 through the exhaust pipe assembly 20.
  • exhaust pipe assembly 20 and the sealing portion 14 are detachably connected, so that the exhaust pipe assembly 20 and the connecting housing 10 can be made of different materials, so as to save material costs.
  • the connecting housing 10 can be made of PBT (polybutylene terephthalate) material to reduce material costs
  • the exhaust pipe 22 can be made of PA66 (polyhexamethylene adipamide) material to meet the requirements of the exhaust pipe 22. High temperature and high pressure resistance requirements.
  • the exhaust pipe assembly 20 specifically includes: an exhaust pipe 22 and a connecting piece 24.
  • the connecting piece 24 is provided on the exhaust pipe 22.
  • the exhaust pipe 22 and the connecting housing 10 have been connected through the connecting piece 24.
  • the exhaust pipe 22 specifically includes :The pipe main body 224 and the connecting portion 226, the pipe main body 224 and the connecting portion 226 are connected, the connecting portion 226 is provided at the end of the pipe main body 224 close to the muffler chamber 12, wherein the end of the connecting portion 226 away from the pipe main body 224 passes through
  • the sealing portion 14 extends into the muffler cavity 12, and the part of the connecting portion 226 that extends into the sealing portion 14 is connected to the sealing portion 14 to restrict the movement of the exhaust pipe 22 to the outside of the housing 10, wherein the connecting portion 226 is close to One end of the pipe main body 224 is provided outside the connecting housing 10 so as to communicate with the muffler cavity 12 and the external space of the connecting housing 10 through the connecting portion 226.
  • the connecting portion 226 is integrally formed with the pipe main body 224, so that the exhaust pipe 22 has a simple and compact structure, and has better air tightness and high pressure resistance.
  • the end of the connecting portion 226 away from the pipe main body 224 abuts against the sealing portion 14. On the one hand, it restricts the movement of the exhaust pipe 22 to the outside of the connecting housing 10; on the other hand, the exhaust pipe 22 can be moved along the connecting housing 10. The exhaust pipe 22 is drawn out from the assembly position in the inner direction of 10, so that the exhaust pipe 22 and the connecting housing 10 can be disassembled.
  • the connecting piece 24 is detachably connected to the connecting portion 226, and the connecting piece 24 abuts against the outer wall of the connecting housing 10, so that the exhaust pipe 22 is restricted from moving in the direction of the connecting housing 10 through the connecting piece 24, thereby removing the exhaust pipe 22 is fixed to the connecting housing 10, and further, when the connecting member 24 is removed, the exhaust pipe 22 can be drawn out from the side of the sealing portion 14 away from the pipe main body 224 to realize the connection between the exhaust pipe assembly 20 and the connecting housing 10 For disassembly, it can also be inserted from the side of the sealing portion 14 away from the pipeline main body 224, and then the connecting piece 24 is connected to the connecting portion 226 to realize the fixation and installation of the exhaust pipe assembly 20 and the connecting housing 10.
  • the connecting piece 24 is a nut.
  • the outer wall of the connecting portion 226 near the end of the pipe main body 224 is provided with a thread matching the nut, and the exhaust pipe 22 is tightened to the side close to the pipe main body 224 through the cooperation of the nut and the thread
  • the fitting of the nut and the thread facilitates the disassembly and assembly of the exhaust pipe assembly 20, and the nut can also provide a pre-tightening force for the connection between the connecting portion 226 and the connecting housing 10 to improve the stability of assembly.
  • the number of the nut is one, and the connecting portion 226 and the connecting housing 10 are locked and fixed by one nut.
  • the number of nuts is two, and double nuts are used to prevent automatic loosening of the nuts.
  • the connector 24 is a snap ring.
  • a snap groove is provided on the outer wall of the connecting portion 226 near one end of the pipeline main body 224.
  • the snap ring is arranged in the snap ring to realize the detachable connection of the exhaust pipe assembly 20 and the sealing portion 14 to This facilitates quick assembly and disassembly of the exhaust pipe 22 and the connecting housing 10.
  • connection structure further includes: a sealing element 30, the sealing element 30 is ring-shaped, the sealing element 30 is sleeved on the connecting part 226, and one side of the sealing element 30 is connected to the outer wall of the connecting part 226, and the other side is connected to the sealing part 14
  • the inner wall is connected to seal the gap between the outer wall of the connecting portion 226 and the inner wall of the sealing portion 14 to achieve a sealed connection between the exhaust pipe 22 and the sealing portion 14 to prevent high-pressure refrigerant from passing through the connecting portion 226 and the sealing portion of the exhaust pipe 22 The gap between 14 leaks outward.
  • the sealing member 30 includes, but is not limited to, an O-ring, a U-ring, and a C-ring.
  • the inner wall of the sealing portion protrudes inward to form a first limiting portion 142; in the radial direction of the sealing portion 14, the outer wall of the connecting portion protrudes outward to form a second limiting portion 2262; wherein, The second limiting portion 2262 is provided in the sealing portion 14 and along the axial direction of the connecting portion 226.
  • the second limiting portion 2262 is close to the pipe main body 224 and the first limiting portion 142 is away from the pipe main body 224. The side abuts, thereby restricting the movement of the exhaust pipe 22 to the outside of the casing 10.
  • a first accommodating space 2264 is formed between the outer wall of the second limiting portion 2262 and the inner wall of the sealing portion 14, and the sealing member 30 is provided in the first accommodating space 2264, wherein the outer wall of the sealing member 30 Connected to the inner wall of the sealing portion 14, and the inner wall of the sealing member 30 is connected to the second limiting portion 2262 to achieve a sealed connection between the exhaust pipe 22 and the sealing portion 14.
  • the sealing member 30 is arranged in the first accommodating space 2264 , In order to restrict the movement of the sealing member 30 relative to the connecting portion 226 along the axial direction of the connecting portion 226, so as to prevent the sealing member 30 from sliding out of the second limiting portion 2262 during the installation process of the exhaust pipe assembly 20.
  • a second accommodating space 1426 is formed between the first limiting portion 142 and the second limiting portion 2262, and the sealing member 30 is arranged in the second accommodating space 1426 so that the sealing member 30
  • the exhaust pipe 22 and the sealing portion 14 are sealed along the axial direction of the sealing portion 14.
  • the connecting piece 24 provides the connecting portion 226 with a pretension force toward the side of the pipe main body 224
  • the sealing piece 30 is provided in the second containing space 1426
  • the sealing member 30 is prevented from being damaged due to excessive pressure, and the sealing performance of the sealing member 30 is damaged.
  • the connection structure further includes: a sealing groove 2266 arranged on the outer wall of the second limiting portion 2262, the sealing groove 2266 arranged in the sealing portion 14, and the sealing groove 2266 and the inner wall of the sealing portion 14 form a first containing space 2264, and the sealing member 30 specifically includes a first seal 32.
  • the first seal 32 is arranged in the sealing groove 2266.
  • the outer wall of the first seal 32 is connected to the inner wall of the sealing portion 14.
  • the inner wall of 32 is connected to the bottom of the sealing groove 2266, and the gap between the connecting portion 226 and the sealing portion 14 is sealed along the radial direction of the sealing portion 14, thereby achieving a sealed connection between the exhaust pipe 22 and the sealing portion 14.
  • the depth of the sealing groove 2266 is less than the length of the cross-section of the first sealing member 32 to ensure that the outer wall and the inner wall of the first sealing member 32 are in contact with the inner wall of the sealing portion 14 and the sealing groove 2266, respectively. Bottom connection.
  • the first limiting portion 142 has a stepped structure.
  • the first limiting portion 142 includes a first step 1422 and a second step 1424, and the first step 1422 is provided on the side of the first limiting portion 142 away from the pipe main body 224.
  • the two steps 1424 are provided on the side of the first limiting portion 142 close to the pipe main body 224, so that along the axial direction of the connecting portion 226, the side of the second limiting portion 2262 close to the pipe main body 224 abuts against the first step 1422,
  • a second accommodating space 1426 is formed between the second limiting portion 2262 and the second step 1424.
  • the sealing member 30 specifically includes a second sealing member 34.
  • the second sealing member 34 is provided in the second accommodating space 1426 along the second accommodating space 1426.
  • both ends of the second sealing member 34 are respectively connected with the second limiting portion 2262 and the second step 1424, so as to realize the sealing between the connecting portion 226 and the sealing portion 14 along the axial direction of the sealing portion 14
  • the gap realizes the sealing connection between the exhaust pipe 22 and the sealing portion 14.
  • the length of the gap between the second limiting portion 2262 and the second step 1424 is less than the length of the cross section of the second sealing member 34 to ensure that the two ends of the second sealing member 34 are separated. It is connected with the second limiting portion 2262 and the second step 1424.
  • an exhaust muffler which defines:
  • the exhaust muffler includes a casing and the connection structure in any one of the above embodiments, and the connection casing 10 of the connection structure is connected to the casing of the exhaust muffler, and the exhaust muffler cavity 12 communicates with the muffler cavity 12, so It has the technical effect of any of the above-mentioned embodiments, and will not be repeated here.
  • a silencer which limits:
  • the muffler includes: a suction muffler and the exhaust muffler in the above-mentioned embodiment.
  • the suction muffler is provided with a suction muffler cavity 12 to reduce the noise of the compressor in the application process through the suction muffler cavity 12, and the exhaust muffler
  • the air muffler is connected to the suction muffler, and the exhaust muffler cavity 12 is communicated with the suction muffler cavity 12, so it has the technical effect of the other embodiment described above, and will not be repeated here.
  • a compressor which defines:
  • the compressor includes a casing and the muffler of the above-mentioned another embodiment.
  • the muffler is arranged in the casing, so it has the technical effect of the above-mentioned another embodiment, which will not be repeated here.
  • connection structure which defines:
  • connection structure includes: the muffler shell (ie the connecting shell 10), the inner pipe (ie the exhaust pipe 22), the O-ring 1 (ie the first seal 32), and the O-ring 2 (ie the second seal) 34), nut (ie connecting piece 24); wherein one end of the inner tube passes through the muffler shell, and the other end of the inner tube is set outside the muffler shell to communicate with the inside of the muffler shell through the inner tube Space and the outer space of the muffler shell, O-ring 1 and O-ring 2 are respectively sleeved on the inner tube extending into the muffler shell, and the O-ring 1 radially seals the inner tube and the muffler shell Body, O-ring 2 axially seals the inner row pipe and the muffler shell.
  • the lower end of the inner row pipe is provided with a thread, which is locked with a nut, and the inner row pipe is pulled down and fixed. It is secured by two O-rings. Sealing function.
  • the inner row pipe belongs to the exhaust side, and the exhaust pressure is higher. Two O-rings are used to seal the inner row pipe and the muffler shell along the axial and radial directions of the inner row pipe to improve the sealing effect. .
  • the integrated muffler includes the connection structure in embodiment 14, in which the integrated muffler shell (ie, the connecting housing 10) body is made of PBT (polybutylene terephthalate) material, which saves costs, and at the same time, the inner tube (That is, the exhaust pipe 22) is made of PA66 (polyhexamethylene adipamide) material, which meets the requirements of high temperature resistance and high pressure resistance on the exhaust side, and can play a sealing role.
  • PBT polybutylene terephthalate
  • PA66 polyhexamethylene adipamide
  • the exhaust pipe assembly and the sealing part can be detachably connected, and different materials can be used to reduce the material cost under the requirements of the connection housing and the exhaust pipe.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Exhaust Silencers (AREA)
  • Supercharger (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)

Abstract

一种连接结构、排气消音器、消音器以及压缩机，其中，连接结构包括：连接壳体（10），连接壳体（10）内形成消音腔（12），且消音腔（12）内设有密封部（14）；排气管组件（20），排气管组件（20）与密封部（14）可拆卸连接，其中，排气管组件（20）的一端穿过密封部（14）伸入消音腔（12），排气管组件（20）的另一端设于连接壳体（10）外，以通过排气管组件（20）连通消音腔（12）和连接壳体（10）的外部空间。通过该技术方案，使排气管组件（20）与密封部（14）可拆卸，在满足连接壳体（10）以及排气管（22）的使用要求下，可以采用不同的材料，以降低材料成本。

Description

连接结构、排气消音器、消音器以及压缩机
本申请要求于2019年10月21日提交中国国家知识产权局、申请号为“2019110001658”、申请名称为“连接结构、排气消音器、消音器以及压缩机”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
本申请涉及压缩机技术领域，具体而言，涉及一种连接结构、一种排气消音器、一种消音器以及一种压缩机。
背景技术
随着人们生活品质的提高，对压缩机工作时的噪声的要求也随之提高，为了减缓噪音问题，通常在压缩机中应用消音器，现有技术中，一体式的消音器零部件数量较少，便于生产和安装，但是消音器壳体与排气管焊接在一起，消音器壳体与排气管不能选用不同的非金属材料，材料成本较高。
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，本申请的一个目的在于提供一种连接结构。
本申请的另一个目的在于提供一种排气消音器。
本申请的再一个目的在于提供一种消音器。
本申请的再一个目的在于提供一种压缩机。
为了实现上述目的，本申请的第一方面技术方案提供了一种连接结构，包括：连接壳体，连接壳体内形成消音腔，且消音腔内设有密封部；排气管组件，排气管组件与密封部可拆卸连接，其中，排气管组件的一端穿过密封部伸入消音腔，排气管组件的另一端设于连接壳体外，以通过排气管组件连通消音腔和连接壳体的外部空间。
根据本申请提出的连接结构，通过在连接壳体内形成消音腔，以通过消音腔减小压缩机在应用过程中的噪音，且排气管组件的一端穿过密封部 伸入消音腔，排气管组件的另一端设于连接壳体外，以通过排气管组件连接消音腔和连接壳体的外部空间，使冷媒在流入消音腔消音后，通过排气管组件流出消音腔，需要说明的是，排气管组件与密封部可拆卸连接，使排气管组件与连接壳体可采用不同的非金属材料，以节省材料成本，进一步地，为降低材料成本，连接壳体可以采用PBT(即聚对苯二甲酸丁二醇脂)材料，排气管采用PA66(即聚己二酰己二胺)材料，以满足排气管耐高温、耐高压的使用要求，可以理解，通过排气管组件与密封部的可拆卸连接，在满足连接壳体以及排气管的使用要求下，可以采用不同的非金属材料，以降低消音器的材料成本。
在上述技术方案中，排气管组件具体包括：排气管以及设于排气管上的连接件；排气管具体包括：管路主体；连接部，与管路主体相连，且连接部设于管路主体靠近消音腔的一端；其中，连接部远离管路主体的一端与密封部相连，以限制排气管向连接壳体的外部的方向移动。
在该技术方案中，排气管组件包括排气管和连接件，排气管具体包括相互连接的连接部和管路主体，通过连接部设于管路主体靠近消音腔的一端，使连接部与消音腔内的密封部连接，且管路主体设于消音腔外，进一步地，连接部远离管路主体的一端与密封部相连，以限制排气管向连接壳体的外部的方向移动，其中，连接部远离管路主体的一端穿过密封部设于消音腔内，连接部靠近管路主体的一端设于连接壳体外，从而通过连接部连通消音腔和连接壳体的外部空间。
需要说明的是，连接部与管路主体一体成型，使排气管结构更加简单，便于装配，且有利于提高排气管的气密性。
其中，连接部远离管路主体的一端与密封部可以卡接，一方面限制排气管向连接壳体的外部的方向移动，另一方面便于快速找准连接部与密封部的安装位置，以利于连接部与密封部的快速安装；连接部远离管路主体的一端与密封部还可以相抵，仅限制排气管相对于连接壳体向连接壳体外部方向的移动，排气管可以相对于连接壳体向连接壳体内部方向移动，使排气管可以沿连接壳体内部方向移动，以将排气管从装配位置抽出，实现排气管与连接壳体的拆卸。
在上述技术方案中，连接件与连接部可拆卸连接，其中，连接件与连接壳体的外壁相抵，以限制排气管向连接壳体的内部的方向移动。
在该技术方案中，连接件与连接部可拆卸连接，且连接件与连接壳体的外壁相抵，从而通过连接件限制排气管向连接壳体的内部的方向移动，其中，由于连接部远离管路主体的一端与密封部相抵，限制排气管向连接壳体的外部的方向移动，从而将排气管固定在连接壳体上，需要说明的是，连接件与连接部可拆卸连接，将连接件拆卸时，排气管可以从密封部连接壳体的内部的方向抽出，实现排气管组件与连接壳体的拆卸，也可以沿连接壳体的外部的方向插入，再将连接件连接到连接部上，以实现排气管组件与连接壳体的固定和安装。
在上述技术方案中，还包括：螺纹，设于连接部靠近管路主体一端的外壁上；其中，连接件为螺母，螺母对应螺纹设于连接部上，通过螺母与螺纹的配合实现排气管组件与密封部的可拆卸连接。
在该技术方案中，通过在连接部靠近管路主体一端的外壁上设有螺纹，连接件为与螺纹配合的螺母，通过螺母与螺纹的配合将排气管向靠近管路主体的一侧拉紧固定，需要强调的是，通过螺母与螺纹的配合，以利于排气管组件的拆卸与装配，还可以通过螺母为连接部与连接壳体的连接提供预紧力，以提高装配的稳定性。
其中，螺母的数量可以是一个，也可以是两个，采用双螺母可以防止螺母的自动松脱。
在上述技术方案中，还包括：卡槽，设于连接部靠近管路主体一端的外壁上；其中，连接件为卡环，设于卡槽内，通过卡环与卡槽的配合实现排气管组件与密封部的可拆卸连接。
在该技术方案中，通过在连接部靠近管路主体的一端设置卡槽，连接件为卡环，将卡环设于卡槽内，实现排气管组件与密封部的可拆卸连接，以利于排气管与连接壳体的快速装配和拆卸。
在上述技术方案中，还包括：密封件，密封件呈环状，密封件套设于连接部上，密封件的一侧连接于连接部的外壁，另一侧连接于密封部的内壁，以通过密封件实现排气管与密封部的密封连接。
在该技术方案中，在连接部上设有环状的密封件，通过密封件的一侧与连接部的外壁连接，另一侧与密封部的内壁连接，以密封连接部的外壁与密封部的内壁之间的间隙，实现排气管与密封部的密封连接，避免高压冷媒通过排气管的连接部与密封部之间的间隙向外泄漏。
在上述技术方案中，沿密封部的径向，密封部的内壁向内凸出形成第一限位部，连接部的外壁向外凸出形成第二限位部，其中，通过第一限位部与第二限位部的配合，限制排气管向连接壳体的外部的方向移动。
在该技术方案中，沿密封部的径向，密封部的内壁向内凸出形成第一限位部；沿密封部的径向，连接部的外壁向外凸出形成第二限位部，其中，第二限位部设于密封部内，且沿连接部的轴向，第二限位部靠近管路主体的一侧与第一限位部远离管路主体的一侧相抵，从而限制排气管向连接壳体的外部的方向移动。
在上述技术方案中，沿密封部的径向，第二限位部的外壁与密封部的内壁之间设有第一容纳空间，密封件设于第一容纳空间内；和/或沿密封部的轴向，第一限位部与第二限位部之间设有第二容纳空间，密封件设于第二容纳空间内。
在该技术方案中，沿密封部的径向，第二限位部的外壁与密封部的内壁之间形成第一容纳空间，将密封件设于第一容纳空间内，一方面，密封件的外壁与密封部的内壁连接，密封件的内壁与第二限位部连接，以实现排气管与密封部的密封连接；另一方面，将密封件设于第一容纳空间内，以限制密封件沿连接部的轴向相对于连接部的移动，避免在排气管组件的安装过程中，密封件滑出第二限位部；或者沿密封部的轴向，第一限位部和第二限位部之间形成第二容纳空间，将密封件设于第二容纳空间内，使密封件沿密封部的轴向密封排气管与密封部，当连接件为连接部提供朝向管路主体一侧的预紧力时，通过将密封件设于第二容纳空间内，以缓冲第二限位部施加给密封件的压力，避免密封件承受过大的压力造成损坏，破坏密封件的密封性；可以理解，同时设置第一容纳空间和第二容纳空间，并在每个容纳空间内设有密封件，沿密封部的轴向和密封部的径向分别密封连接部与密封部之间的间隙，可以进一步提高密封效果。
在上述技术方案中，还包括：密封槽，设于第二限位部的外壁上，密封槽与密封部的内壁形成第一容纳空间；密封件具体包括：第一密封件，第一密封件套设于密封槽内，其中，沿第一密封件的径向，第一密封件的外壁与密封部的内壁连接，第一密封件的内壁与密封槽的底部连接，以实现排气管与密封部的密封连接。
在该技术方案中，在第二限位部的外壁上设有密封槽，密封槽设于密封部内，且密封槽与密封部的内壁形成第一容纳空间，密封件具体包括第一密封件，第一密封件设于密封槽内，沿第一密封件的径向，第一密封件的外壁与密封部的内壁连接，第一密封件的内壁与密封槽的底部连接，实现沿密封部的径向密封连接部与密封部之间的间隙，进而实现排气管与密封部之间的密封连接。
在上述技术方案中，第一限位部呈台阶结构，第一限位部具体包括：第一台阶，设于第一限位部远离管路主体的一侧；第二台阶，设于第一限位部靠近管路主体的一侧；密封件具体包括：第二密封件，其中，第二限位部与第二台阶之间形成第二容纳空间，第二密封件设于第二容纳空间内，且沿第二密封件的轴向，第二密封件的两端分别与第二限位部和第二台阶相连，以实现排气管与密封部的密封连接。
在该技术方案中，通过第一限位部呈台阶结构，第一限位部包括第一台阶和第二台阶，且第一台阶设于第一限位部远离管路主体的一侧，第二台阶设于第一限位部靠近管路主体的一侧，使得沿连接部的轴向，第二限位部靠近管路主体的一侧与第一台阶相抵，使第二限位部与第二台阶之间形成第二容纳空间，密封件具体包括第二密封件，将第二密封件设于第二容纳空间内，沿第二密封件的轴向，第二密封件的两端分别与第二限位部和第二台阶连接，沿密封部的轴向密封连接部与密封部之间的间隙，实现排气管与密封部的密封连接。
本申请的第二方面技术方案提供了一种排气消音器，包括：壳体；上述第一方面技术方案任一项技术方案中的连接结构，连接结构的连接壳体连接于壳体上；排气消音腔，设于壳体内，连接结构的消音腔与排气消音腔连通。
根据本申请提出的排气消音器，包括上述第一方面任一项技术方案的连接结构，且连接结构的连接壳体与排气消音器的壳体连接，排气消音腔与消音腔连通，故而具有上述第一方面任一技术方案的技术效果，在此不再赘述。
本申请的第三方面技术方案提供了一种消音器，包括：吸气消音器，吸气消音器内设有吸气消音腔；上述第二方面技术方案中的排气消音器，排气消音器连接于吸气消音器，且排气消音腔与吸气消音腔连通。
根据本申请提出的消音器，包括吸气消音器，吸气消音器内设有吸气消音腔，以通过吸气消音腔降低压缩机在适用过程中的噪音，第二方面技术方案中的排气消音器与吸气消音器连接，且排气消音腔与吸气消音腔连通，故而具有上述第二方面技术方案的技术效果，在此不再赘述。
本申请的第四方面技术方案提供了一种压缩机，包括：机壳；上述第三方面技术方案的消音器设于机壳内，故而具有上述第三方面技术方案的技术效果，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连接结构的结构示意图；
图2示出了图1中A部分的放大示意图；
图3示出了根据本申请的一个实施例的排气管的结构示意图。
其中，图1至图3中的附图标记与部件名称之间的对应关系为：
10连接壳体，12消音腔，14密封部，20排气管组件，22排气管，24连接件，224管路主体，226连接部，30密封件，32第一密封件，34第二密封件，142第一限位部，1422第一台阶，1424第二台阶，2262第二限位部，2264第一容纳空间，2266密封槽，1426第二容纳空间。
具体实施方式
为了可以更清楚地理解本申请的上述目的、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受下面公开的具体实施例的限制。
下面参照图1至图3描述本申请的一些实施例。
实施例1
如图1所示，根据本申请的一个实施例，提出了一种连接结构，限定了：
连接结构包括：连接壳体10以及排气管组件20，其中，连接壳体10内形成消音腔12，以通过消音腔12减小压缩机在应用过程中的噪音，且排气管组件20的一端穿过密封部14伸入消音腔12，排气管组件20的另一端设于连接壳体10外，以通过排气管组件20连接消音腔12和连接壳体10的外部空间，使冷媒在流入消音腔12消音后，通过排气管组件20流出消音腔12。
进一步地，排气管组件20与密封部14可拆卸连接，使排气管组件20与连接壳体10可以采用不同的材料，以节省材料成本。
进一步地，连接壳体10可以采用PBT(聚对苯二甲酸丁二醇脂)材料，降低材料成本，排气管22采用PA66(聚己二酰己二胺)材料，以满足排气管22耐高温、耐高压的使用要求。
实施例2
如图1所示，除上述实施例提出的特征以外，进一步限定了：
排气管组件20具体包括：排气管22以及连接件24，连接件24设于排气管22上，已通过连接件24连接排气管22与连接壳体10，排气管22具体包括：管路主体224和连接部226，管路主体224和连接部226相连，连接部226设于管路主体224靠近消音腔12的一端，其中，连接部226远离管路主体224的一端穿过密封部14伸入消音腔12内，且连接部226伸入密封部14的部分与密封部14相连，以限制排气管22向连接壳体10的外部的方向移动，其中，连接部226靠近管路主体224的一端设于连接壳体10外，从而通过连接部226连通消音腔12和连接壳体10的外部空间。
进一步地，连接部226与管路主体224一体成型，使排气管22的结构简单紧凑，具有较好的气密性能和耐高压的性能。
进一步地，连接部226远离管路主体224的一端与密封部14卡接，以限制排气管22向连接壳体10的外部的方向移动。
进一步地，连接部226远离管路主体224的一端与密封部14相抵，一方面，限制排气管22向连接壳体10外部方向的移动；另一方面，排气管22可沿连接壳体10内部方向将排气管22从装配位置抽出，实现排气管22与连接壳体10的拆卸。
实施例3
如图1所示，除上述任一实施例提出的特征以外，进一步限定了：
连接件24与连接部226可拆卸连接，且连接件24与连接壳体10的外壁相抵，从而通过连接件24限制排气管22向连接壳体10的内部的方向移动，从而将排气管22固定在连接壳体10上，进一步地，将连接件24拆卸时，排气管22可以从密封部14远离管路主体224的一侧抽出，实现排气管组件20与连接壳体10的拆卸，也可以从密封部14远离管路主体224的一侧插入，再将连接件24连接到连接部226上，以实现排气管组件20与连接壳体10的固定和安装。
实施例4
如图1所示，除上述任一实施例提出的特征以外，进一步限定了：
连接件24为螺母，在连接部226靠近管路主体224一端的外壁上设有与螺母相配合的螺纹，通过螺母与螺纹的配合将排气管22向靠近管路主体224的一侧拉紧固定，进一步地，通过螺母与螺纹的配合，便于排气管组件20的拆卸与装配，还可以通过螺母为连接部226与连接壳体10的连接提供预紧力，以提高装配的稳定性。
进一步地，螺母的数量是一个，通过一个螺母实现连接部226与连接壳体10的锁紧固定。
进一步地，螺母的数量是两个，采用双螺母防止螺母的自动松脱。
实施例5
除上述任一实施例提出的特征以外，进一步限定了：
连接件24为卡环，在连接部226靠近管路主体224一端的外壁上设有卡槽，将卡环设于卡槽内，实现排气管组件20与密封部14的可拆卸连接，以利于排气管22与连接壳体10的快速装配和拆卸。
实施例6
如图1和图2所示，除上述任一实施例提出的特征以外，进一步限定了：
连接结构还包括：密封件30，密封件30呈环状，将密封件30套设于连接部226上，且密封件30的一侧与连接部226的外壁连接，另一侧与密封部14的内壁连接，以密封连接部226的外壁与密封部14的内壁之间的间隙，实现排气管22与密封部14的密封连接，避免高压冷媒通过排气管22的连接部226与密封部14之间的间隙向外泄漏。
进一步地，密封件30包括但不限于O型圈、U型圈、C型圈。
实施例7
如图1和图2所示，除上述任一实施例提出的特征以外，进一步限定了：
沿密封部14的径向，封部的内壁向内凸出形成第一限位部142；沿密封部14的径向，接部的外壁向外凸出形成第二限位部2262；其中，第二限位部2262设于密封部14内，且沿连接部226的轴向，第二限位部2262靠近管路主体224的一侧与第一限位部142远离管路主体224的一侧相抵，从而限制排气管22向连接壳体10的外部的方向移动。
实施例8
如图1和图2所示，除上述任一实施例提出的特征以外，进一步限定了：
沿密封部14的径向，第二限位部2262的外壁与密封部14的内壁之间形成第一容纳空间2264，密封件30设于第一容纳空间2264内，其中，密封件30的外壁与密封部14的内壁连接，密封件30的内壁与第二限位部2262连接，以实现排气管22与密封部14的密封连接，此外，将密封件30设于第一容纳空间2264内，以限制密封件30沿连接部226的轴向相对于连接部226的移动，避免在排气管组件20的安装过程中，密封件30滑出第二限位部2262。
进一步地，沿密封部14的轴向，第一限位部142和第二限位部2262之间形成第二容纳空间1426，将密封件30设于第二容纳空间1426内，使 密封件30沿密封部14的轴向密封排气管22与密封部14，当连接件24为连接部226提供朝向管路主体224一侧的预紧力时，通过密封件30设于第二容纳空间1426内，以缓冲第二限位部2262施加给密封件30的压力，避免密封件30承受过大的压力造成损坏，破坏密封件30的密封性。
实施例9
如图2和图3所示，除上述任一实施例提出的特征以外，进一步限定了：
连接结构还包括：密封槽2266，设于第二限位部2262的外壁上，密封槽2266设于密封部14内，且密封槽2266与密封部14的内壁形成第一容纳空间2264，密封件30具体包括第一密封件32，第一密封件32设于密封槽2266内，沿第一密封件32的径向，第一密封件32的外壁与密封部14的内壁连接，第一密封件32的内壁与密封槽2266的底部连接，沿密封部14的径向密封连接部226与密封部14之间的间隙，进而实现排气管22与密封部14之间的密封连接。
详细地，沿密封部14的径向，密封槽2266的深度小于第一密封件32的截面的长度，以确保第一密封件32的外壁和内壁分别与密封部14的内壁和密封槽2266的底部连接。
实施例10
如图2所示，除上述任一实施例提出的特征以外，进一步限定了：
第一限位部142呈台阶结构，第一限位部142包括第一台阶1422和第二台阶1424，且第一台阶1422设于第一限位部142远离管路主体224的一侧，第二台阶1424设于第一限位部142靠近管路主体224的一侧，使得沿连接部226的轴向，第二限位部2262靠近管路主体224的一侧与第一台阶1422相抵，使第二限位部2262与第二台阶1424之间形成第二容纳空间1426，密封件30具体包括第二密封件34，将第二密封件34设于第二容纳空间1426内，沿第二密封件34的轴向，第二密封件34的两端分别与第二限位部2262和第二台阶1424连接，以实现沿密封部14的轴向密封连接部226与密封部14之间的间隙，实现排气管22与密封部14的密封连接。
详细地，沿密封部14的轴向，第二限位部2262与第二台阶1424之间的间隙的长度小于第二密封件34的截面的长度，以确保第二密封件34的 两端别与第二限位部2262和第二台阶1424连接。
实施例11
如图1所示，根据本申请的另一个实施例，提出了一种排气消音器，限定了：
排气消音器包括：壳体以及上述任一项实施例中的连接结构，且连接结构的连接壳体10与排气消音器的壳体连接，排气消音腔12与消音腔12连通，故而具有上述任一实施例的技术效果，在此不再赘述。
实施例12
根据本申请的再一个实施例，提出了一种消音器，限定了：
消音器包括：吸气消音器以及上述实施例中的排气消音器，吸气消音器内设有吸气消音腔12，以通过吸气消音腔12降低压缩机在适用过程中的噪音，排气消音器与吸气消音器连接，且排气消音腔12与吸气消音腔12连通，故而具有上述另一个实施例的技术效果，在此不再赘述。
实施例13
根据本申请的又一个实施例，提出了一种压缩机，限定了：
压缩机包括：机壳以及上述再一个实施例的消音器，消音器设于机壳内，故而具有上述再一个实施例的技术效果，在此不再赘述。
实施例14
如图1和图2所示，根据本申请的一个具体的实施例，提出了一种连接结构，限定了：
连接结构包括：消音器壳体(即连接壳体10)、内排管(即排气管22)、O型圈1(即第一密封件32)、O型圈2(即第二密封件34)、螺母(即连接件24)；其中，内排管的一端穿过消音器壳体，内排管的另一端设于消音器壳体外，以通过内排管连通消音器壳体的内部空间和消音器壳体的外部空间，O型圈1和O型圈2分别套设于伸入消音器壳体内的内排管上，且O型圈1径向密封内排管与消音器壳体，O型圈2轴向密封内排管与消音器壳体，内排管下端部分设有螺纹，使用螺母锁紧，将内排管向下拉紧固定，通过两个O型圈起到密封作用，其中，内排管属于排气侧，排气压力较高，通过两个O型环分别沿内排管的轴向和径向密封内排管与消音器 壳体，以提高密封效果。
实施例15
在实施例14的基础上，提出了一种一体式消音器，限定了：
一体式消音器包括实施例14中的连接结构，其中，一体式消音器壳(即连接壳体10)体采用PBT(聚对苯二甲酸丁二醇脂)材料，节约成本，同时内排管(即排气管22)采用PA66(聚己二酰己二胺)材料，满足排气侧耐高温、耐高压的使用要求，并且可以起到密封作用。
根据本申请提出的连接结构，使排气管组件与密封部可拆卸连接，在满足连接壳体以及排气管的使用要求下，可以采用不同的材料，以降低材料成本。
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，所作的任何修改、等同替换、改进等，均应包含在本申请的保护范围之内。

Claims (13)

  1. 一种消音器的连接结构，其中，包括：
    连接壳体，所述连接壳体内形成消音腔，且所述消音腔内设有密封部；
    排气管组件，所述排气管组件与所述密封部可拆卸连接，
    其中，所述排气管组件的一端穿过所述密封部伸入所述消音腔，所述排气管组件的另一端设于所述连接壳体外，以通过所述排气管组件连通所述消音腔和所述连接壳体的外部空间。
  2. 根据权利要求1所述的连接结构，其中，所述排气管组件具体包括：排气管以及设于所述排气管上的连接件；
    所述排气管具体包括：
    管路主体；
    连接部，与所述管路主体相连，且所述连接部设于所述管路主体靠近所述消音腔的一端；
    其中，所述连接部远离所述管路主体的一端与所述密封部相连，以限制所述排气管向所述连接壳体的外部的方向移动。
  3. 根据权利要求2所述的连接结构，其中，
    所述连接件与所述连接部可拆卸连接，其中，所述连接件与所述连接壳体的外壁相抵，以限制所述排气管向所述连接壳体的内部的方向移动。
  4. 根据权利要求3所述的连接结构，其中，还包括：
    螺纹，设于所述连接部靠近所述管路主体一端的外壁上；
    其中，所述连接件为螺母，所述螺母对应所述螺纹设于所述连接部上，通过所述螺母与所述螺纹的配合实现所述排气管组件与所述密封部的可拆卸连接。
  5. 根据权利要求3所述的连接结构，其中，还包括：
    卡槽，设于所述连接部靠近所述管路主体一端的外壁上；
    其中，所述连接件为卡环，设于所述卡槽内，通过所述卡环与所述卡槽的配合实现所述排气管组件与所述密封部的可拆卸连接。
  6. 根据权利要求2至5中任一项所述的连接结构，其中，还包括：
    密封件，所述密封件呈环状，所述密封件套设于所述连接部上，所述密封件的一侧连接于所述连接部的外壁，另一侧连接于所述密封部的内壁，以通过所述密封件实现所述排气管与所述密封部的密封连接。
  7. 根据权利要求6所述的连接结构，其中，
    沿所述密封部的径向，所述密封部的内壁向内凸出形成第一限位部，所述连接部的外壁向外凸出形成第二限位部，
    其中，通过所述第一限位部与所述第二限位部的配合，限制所述排气管向所述连接壳体的外部的方向移动。
  8. 根据权利要求7所述的连接结构，其中，
    沿所述密封部的径向，所述第二限位部的外壁与所述密封部的内壁之间设有第一容纳空间，所述密封件设于所述第一容纳空间内；
    和/或沿所述密封部的轴向，所述第一限位部与第二限位部之间设有第二容纳空间，所述密封件设于所述第二容纳空间内。
  9. 根据权利要求8所述的连接结构，其中，还包括：
    密封槽，设于所述第二限位部的外壁上，所述密封槽与所述密封部的内壁形成第一容纳空间；
    密封件具体包括：第一密封件，所述第一密封件套设于所述密封槽内，
    其中，沿所述第一密封件的径向，所述第一密封件的外壁与所述密封部的内壁连接，所述第一密封件的内壁与所述密封槽的底部连接，以实现所述排气管与所述密封部的密封连接。
  10. 根据权利要求8所述的连接结构，其中，所述第一限位部呈台阶结构，所述第一限位部具体包括：
    第一台阶，设于所述第一限位部远离所述管路主体的一侧；
    第二台阶，设于所述第一限位部靠近所述管路主体的一侧；
    密封件具体包括：第二密封件，
    其中，所述第二限位部与第二台阶之间形成第二容纳空间，所述第二密封件设于所述第二容纳空间内，且沿所述第二密封件的轴向，所述第二密封件的两端分别与所述第二限位部和所述第二台阶相连，以实现所述排气管与所述密封部的密封连接。
  11. 一种排气消音器，其中，包括：
    壳体；
    如权利要求1至10中任一项所述的连接结构，所述连接结构的连接壳体连接于所述壳体上；
    排气消音腔，设于所述壳体内，所述连接结构的消音腔与所述排气消音腔连通。
  12. 一种消音器，其中，包括：
    吸气消音器，所述吸气消音器内设有吸气消音腔；
    如权利要求11所述的排气消音器，所述排气消音器连接于所述吸气消音器，且所述排气消音腔与所述吸气消音腔连通。
  13. 一种压缩机，其中，包括：
    机壳；
    如权利要求12所述的消音器，所述消音器设于所述机壳内。
PCT/CN2020/072065 2019-10-21 2020-01-14 连接结构、排气消音器、消音器以及压缩机 WO2021077640A1 (zh)

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