WO2006095843A1 - 吸入マフラー - Google Patents
吸入マフラー Download PDFInfo
- Publication number
- WO2006095843A1 WO2006095843A1 PCT/JP2006/304688 JP2006304688W WO2006095843A1 WO 2006095843 A1 WO2006095843 A1 WO 2006095843A1 JP 2006304688 W JP2006304688 W JP 2006304688W WO 2006095843 A1 WO2006095843 A1 WO 2006095843A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- resin
- suction muffler
- joint
- muffler
- resin member
- Prior art date
Links
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
Definitions
- the present invention relates to an inhalation muffler that silences gas at the same time as it inhales gas.
- a suction muffler generally used in a hermetic compressor is suitable for a low heat conductivity such as a synthetic resin.
- an inhalation muffler there is known an inhalation muffler in which a protrusion and a recess are respectively provided at a joint part of a paired resin molded product and joined by ultrasonic welding (for example, JP-A-59-59). 43917).
- FIG. 11 is an exploded side view of a conventional suction muffler.
- the inhalation muffler 1 is configured by joining a first container 2 made of a resin molded product and a second container 3 by joining the edge portions 2a and 3a provided separately.
- a flange portion 5 having a convex portion 4 is formed on the edge portion 2a
- a flange portion 7 having a concave portion 6 is formed on the edge portion 3a.
- the first container body 2 and the second container body 3 are joined along the joining direction 11a.
- the refrigerant gas is sucked into the compression chamber (not shown) through the communication pipe 14 and is then discharged.
- FIG. 12 is a cross-sectional view of a main part of the conventional suction muffler shown in FIG. 11, particularly a flange portion 5 provided on the first vessel body 2 side and a flange provided on the second vessel body 3 side. This shows a state in which the part 7 is joined along the joining direction 12a. As shown in FIG. 11, a recess 6 is provided on the second container 3 side.
- FIG. 13 is a view showing a conventional apparatus for producing an inhalation muffler.
- the suction muffler 1 shown in FIG. 11 projects the flange portions 5 and 7 of the first and second bodies 2 and 3 with the horn 9 and the gantry 10 of the pressing device 8 shown in FIG.
- press the part 4 in the concave part 6 and apply vibration by applying ultrasonic vibration while pressing the flange parts 5 and 7 evenly along the pressing direction 13a with the horn 9.
- ultrasonic welding the first vessel 2 and the second vessel 3 It was combined and molded.
- the present invention provides a suction muffler capable of improving the reliability of a compressor.
- the suction muffler of the present invention is joined by a resin belt formed by secondary injection molding while fitting or abutting joint parts of a plurality of resin members.
- the joint surface of the pre-molded resin member is joined using the heat of the molten resin injected by the secondary injection molding. For this reason, the pressure to the joint and the vibration to the suction muffler are suppressed, so that the so-called nozzle is suppressed.
- Such an inhalation muffler according to the present invention can eliminate the pressure on the joint portion when joining the inhalation muffler composed of a plurality of resin members. Thus, it is possible to provide a suction muffler that can increase the reliability of the compressor.
- the specific configuration of the suction muffler of the present invention fits or abuts joint portions of a plurality of resin members formed in advance by injection molding. At the same time, the joint is joined by a resin belt formed by secondary injection molding. Since the molten resin is joined only by heat, it is possible to provide a suction muffler that can prevent the occurrence of noros due to the pressing of the joined portion and can increase the reliability of the compressor.
- the shape of the joint surface of the fitting portion is bent in the cross section of the joint portion. According to such a configuration, since the inflow resistance is increased, Even if the oil flows into the joint surface, it is possible to prevent the problem that the molten resin flows out into the suction muffler. Thereby, the reliability of a compressor can be improved.
- the suction muffler of the present invention forms minute protrusions on the outer peripheral portion of the joint portion to be joined by secondary injection molding.
- the heat receiving area on the resin member side can be increased by a plurality of minute protrusions provided on the outer periphery of the joint.
- an inhalation muffler capable of joining the resin-made members can be formed. With this configuration, it is possible to provide an inhalation muffler with higher productivity.
- the suction muffler of the present invention has a flange portion that forms a flange even if they are integrated in a state of being in contact with the contact portions of the joint portions joined by secondary injection molding. .
- a flange portion is provided across the joining surface, so that the soot formed by secondary injection molding.
- the resin belt and the resin member formed by secondary injection molding can be hooked by the flange part.
- the inhalation muffler of the present invention includes a tail pipe molded separately from the inside of the inhalation muffler, and a through hole that communicates with the tail pipe at the joint. Also, the resin member and the tail pipe are joined by secondary injection molding. By joining the tail pipe and the resin member forming the suction muffler at the same time, the equipment and work steps for joining the tail pipe can be omitted, so that an inexpensive suction muffler can be provided.
- FIG. 1 is a perspective view of an inhalation muffler according to a first embodiment of the present invention.
- FIG. 2A is a side exploded view of the inhalation muffler according to the first embodiment of the present invention.
- FIG. 2B is a side exploded view of the inhalation muffler according to the first embodiment of the present invention.
- FIG. 3A is an enlarged view of a part A shown in FIG. 2 according to the first embodiment of the present invention.
- FIG. 3B is an enlarged view of a portion B shown in FIG. 2 according to the first embodiment of the present invention.
- FIG. 4A is an exploded view of the inhalation muffler according to the first embodiment of the present invention.
- FIG. 4B is an exploded view of the inhalation muffler according to the first embodiment of the present invention.
- FIG. 4C is an exploded view of the suction muffler according to the first embodiment of the present invention.
- FIG. 5 is an exploded side view of the inhalation muffler according to the second embodiment of the present invention.
- FIG. 6A is an enlarged view of a C portion shown in FIG. 5 according to the second embodiment of the present invention.
- FIG. 6B is an enlarged view of a D part shown in FIG. 5 according to the second embodiment of the present invention.
- FIG. 7A is an exploded view of the suction muffler according to the second embodiment of the present invention.
- FIG. 7B is an exploded view of the suction muffler according to the second embodiment of the present invention.
- FIG. 7C is an exploded view of the suction muffler according to the second embodiment of the present invention.
- FIG. 8 is a perspective exploded schematic view of the inhalation muffler according to the third embodiment of the present invention.
- FIG. 9 is an exploded side view of the inhalation muffler according to the third embodiment of the present invention.
- FIG. 10A is an exploded view of the suction muffler according to the third embodiment of the present invention.
- FIG. 10B is an exploded view of the suction muffler according to the third embodiment of the present invention.
- FIG. 10C is an exploded view of the suction muffler according to the third embodiment of the present invention.
- FIG. 11 is an exploded side view of a conventional suction muffler.
- FIG. 12 is a cross-sectional view of a main part of a conventional suction muffler.
- FIG. 13 is a schematic view of a conventional ultrasonic welding apparatus for an inhalation muffler.
- FIG. 1 is a perspective view of an inhalation muffler according to the first embodiment of the present invention.
- FIGS. 2A and 2B are side exploded views of the inhalation muffler that are useful for the embodiment, and FIG. Therefore, the enlarged view of part A shown in FIG. 2A, FIG. 3B relates to the same embodiment, the enlarged view of part B shown in FIG. 2B, and FIGS. 4A, 4B and 4C focus on the same embodiment. It is an exploded view of such a suction muffler.
- the suction muffler 101 is filled with a gas such as a refrigerant.
- the suction muffler 101 includes a suction port 110 for sucking gas and a hollow portion 135 for once releasing the sucked gas.
- the communication pipe 108 connecting the hollow part 135 and the suction port 110, the communication pipe 115 connecting the gas sucked into the hollow part 135 to a cylinder such as a reciprocating compressor, and the communication pipe 115 are connected to each other inside the suction muffler.
- a tail tube 130 formed separately is provided.
- the hollow portion 135 includes a resin member 105 including the communication tube 115 and the communication tube 108, and a resin member 120 including a locking portion 150 for fixing the position of the tail tube 130. Join and form with.
- FIG. 2A is a side exploded view of the inhalation muffler according to the first embodiment of the present invention, and shows a state seen from the direction XI shown in FIG. FIG. 2A shows the protrusion 123, the minute protrusion 125, and the joint 146.
- the protrusion 123 is provided around the joint 146 of the resin member 120 and has a minute protrusion 125.
- FIG. 2B shows a state seen from the direction X2 shown in FIG.
- the guide portion 103 is provided around the joint portion 143 of the resin member 105, has a joint surface bent in an L shape, and has a plurality of minute protrusions 107.
- the connecting portion between the guide portion 103 and the outer wall 109 is formed with a step.
- a method for joining the suction muffler configured as described above will be described below.
- the resin member 105 and the resin member 120 are molded as separate bodies and then fitted at the joints 143 and 146 shown in FIGS. 2A and 2B.
- the suction muffler 101 is again fixed in the mold, and the cavity 142 is joined by the grease that forms the joint 170 and the mold 170. Formed along 140. After the suction muffler 101 is fixed by the mold 170, the molten resin 160 is injected into the cavity 142.
- FIG. 3A is an enlarged view of a portion A shown in FIG. 2A
- FIG. 3B is an enlarged view of a portion B shown in FIG. 2B.
- FIG. 3A as shown in FIG. 2A, the protrusion 123 and the minute protrusion 125 are shown.
- FIG. 3B shows a state in which a plurality of minute protrusions 107 are provided on the guide portion 103 and the connecting portion between the guide portion 103 and the outer wall 109 is formed with a step, which is shown in FIG.
- FIG. 4 is an exploded view of the suction muffler according to the first embodiment.
- the injected molten resin 160 fills the cavity 142, and the resin member 105 and the resin member 120 are melted and solidified, so that the resin belt 105 is formed and the resin member 105 and the resin are simultaneously formed.
- the made members 120 are joined together.
- the fitting portion 144 is bent in a substantially L shape, even if the molten resin 160 flows into the fitting portion 144, the resistance increases, and the molten resin 160 becomes a hollow portion. It is possible to provide an intake muffler that can prevent inflow and can further improve the reliability of the compressor.
- the heat receiving area from the molten resin 160 is increased, and it is heated in a short time by the heat of the molten resin 160 itself. Therefore, it is possible to form a suction muffler by joining the same resin members together in a state of being securely integrated with the resin belt 160a, thereby providing a highly productive suction muffler. be able to.
- the cross-sectional shape of the fitting portion 144 is not L-shaped but U-shaped, and the cross-sectional shape is not a simple straight line.
- the U-shape is a character composed of a straight portion and a curved portion.
- the U-shape referred to in the present invention means that the U-shaped curved portion is formed from a straight portion, or the U-shaped straight portion is a curved portion. Is also included.
- the cross-sectional shape formed by the resin member 105 and the resin member 120 forming the cavity 142 may be other than a U-shape.
- the microprojections 107 and 125 provided on the guide portion 103 and the projection portion 123 may be microgrooves, and the grooves and microprotrusions are provided in a direction that takes into account the removal of the mold force of the member that forms the suction muffler. If there is!
- FIG. 5 is an exploded side view of the suction muffler according to the second embodiment of the present invention
- Fig. 6A is an enlarged view of the portion C shown in Fig. 5 that works on the same embodiment
- Fig. 6B is according to the second embodiment
- FIG. 5 is an enlarged view of the portion D
- FIGS. 7A to 7C are exploded views of the suction muffler according to the second embodiment.
- the suction muffler 201 includes a suction port 210 for sucking gas and a hollow part 235 for once releasing the sucked gas.
- the communication pipe 208 connecting the hollow part 235 and the suction port 210, the communication pipe 215 connecting the gas sucked into the hollow part 235 to a cylinder such as a reciprocating compressor, and the communication pipe 215 are connected to the inside of the suction muffler. It has a tail tube 230 formed separately to extend the length of the tube.
- the hollow portion 235 includes a resin member 205 having a communication pipe 215 and a communication pipe 208, and a resin member 220 having a locking part 250 for fixing the position of the tail pipe 230. It is formed by joining with.
- FIG. 6A is an enlarged view of the portion C shown in FIG. 5.
- the guide portion 223 having an L shape along the joint portion 240 and the contact portion 226 having the fitting surface 229 as a side surface are surrounded. It is installed.
- FIG. 6B is an enlarged view of a portion D shown in FIG.
- the guide portion 203 has an L shape and is provided around the joint portion 240, and at the same time, a contact portion 206 having the fitting surface 207 as a side surface is provided.
- FIG. 7A to 7C are joining process diagrams for explaining a joining method for the suction muffler according to the second embodiment.
- the resin member 205 and the resin member 220 are molded as separate bodies and then brought into contact with each other at the fitting surface 207 and the fitting surface 229.
- the suction muffler 201 (see FIG. 5) is fixed again in the mold, and the cavity 242 is formed by the resin forming the mold 270 and the joint 240. Is formed along the joint 240.
- a convex flange portion 247 is formed inside the hollow portion 242 by the contact portion 206 and the contact portion 226.
- the molten resin 260 is injected into the cavity 242.
- the injected molten resin 260 fills the cavity 242 and solidifies while melting the resin of the resin member 205 and the resin member 220, so that the resin belt 205a is formed simultaneously with the formation of the resin member 205. And the resin member 220 are joined together.
- the flange portion 247 inside the hollow portion 242 where the fitting surface 207 and the fitting surface 229 are interposed is provided.
- the resin belt 260a and the resin members 205 and 220 are added in addition to the reaction force applied to the melted portion of the resin belt 260a and the resin members 205 and 220 formed by secondary injection molding.
- Engage with flange 247 it is possible to provide a suction muffler that can improve the reliability of the compressor having higher joint strength.
- the contact shape formed inside the cavity 242 may be other than a U-shape. Further, even if the guide part 203 and the guide part 223 are not provided, the flange part 247 is included by the mold, and the molten resin is injected along the joint part 240. An inhalation muffler that can improve reliability can be provided.
- FIG. 8 is a perspective exploded schematic view of the suction muffler 301.
- a concave portion 390 is formed in the resin-made member 305 of the suction muffler 301.
- the resin member 305 is formed with a recess 385 and a bottle inlet 302.
- the tail tube 330 is provided with an insertion portion 332 for insertion into the heel inlet 302 and a cylindrical projection 334.
- a fitting line 336 indicates that the insertion portion 332 is fitted into the insertion port 302.
- FIG. 9 is an exploded side view of the suction muffler according to the third embodiment.
- the suction muffler 301 includes a suction port 310 for sucking a gas such as a refrigerant and a hollow portion 335 for once releasing the sucked gas.
- the communication pipe 308 connecting the hollow part 335 and the suction port 310 and the hollow part 335 It has a communication pipe 315 for connecting the sucked gas to a cylinder such as a reciprocating compressor, and a tail pipe 330 connected to the communication pipe 315 and formed separately to extend the length of the pipe.
- the tail tube 330 is provided with an insertion portion 332 for insertion into the inlet 302 (see FIG. 8) of the communication tube 315 and a cylindrical projection 334.
- a fitting line 336 indicates that the insertion portion 332 is fitted into the insertion port 302.
- the hollow part 335 is formed by joining the resin member 305 including the communication pipe 308 and the communication pipe 315 and the resin member 320 at the joint part 340.
- the resin member 305 is provided with an insertion port 302 for inserting the tail tube 330 into the communication tube 315.
- the joint portion 343 is provided with a guide portion 303.
- the guide portion 303 has a semicircular arc coaxially with the projection portion 334, and a recess 385 (see FIG. 8) for fitting the projection portion 334 is provided. Yes.
- the resin member 320 includes a joint portion 346, and an L-shaped guide portion 323 is provided around the joint portion 346.
- the guide portion 323 includes a recess 390 (see FIG. 8) that is paired with the recess 385.
- a through hole 392 which will be described later, connects the inside and outside of the suction muffler.
- FIGS. 10A to 10C are exploded views of the suction muffler according to the third embodiment.
- the method for joining the suction muffler will be described with reference to FIGS. 9 and 10A to 10C.
- the insertion portion 332 of the tail tube 330 is fitted into the insertion port 302 of the resin member 305, and at the same time, the projection 334 of the tail tube 330 is fitted into the recess 385.
- the joint 346 of the resin member 320 is fitted into the joint 343 of the resin member 305.
- the protrusion 334 is fitted by the recess 385 and the recess 390.
- the cavity 342 is formed by the resin that forms the mold 370 and the joint 340, and a protrusion is formed inside the cavity 342. Part of part 334 protrudes.
- the molten resin 360 is injected into the cavity 342.
- the injected molten resin 360 melts the resin of the resin member 305 forming the cavity 342 and the resin of the resin member 320.
- the resin in the projection 334 of the tail tube 330 protruding into the cavity 342 is also melted and solidified, so that the resin member 305 and the resin member 320 are formed simultaneously with the formation of the resin belt 360a.
- the tail tube 330 can be joined simultaneously.
- the resin member 305 and the resin member 320 forming the hollow portion 335 are joined together with the projection 334 of the tail tube 330. Therefore, it is not necessary to fix the resin member 305 and the tail tube 330 in a separate process. As a result, the work process and equipment only for fixing the tail tube 330 can be omitted, and therefore an inexpensive suction muffler can be provided.
- the molten resin can be used as a part of the tail tube 330 even if the tail tube 330 does not protrude into the cavity. It only has to be in contact with.
- the suction muffler according to the present invention can be a highly reliable and inexpensive suction muffler, it can be used in a refrigeration cycle including a refrigerator for home use, a dehumidifier, a showcase, a vending machine, and the like. Because it can be applied to the intended use, its industrial applicability is high.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Compressor (AREA)
- Exhaust Silencers (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005069108A JP2006250067A (ja) | 2005-03-11 | 2005-03-11 | 吸入マフラー |
JP2005-069108 | 2005-03-11 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2006095843A1 true WO2006095843A1 (ja) | 2006-09-14 |
Family
ID=36953432
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2006/304688 WO2006095843A1 (ja) | 2005-03-11 | 2006-03-10 | 吸入マフラー |
Country Status (4)
Country | Link |
---|---|
US (1) | US20070212234A1 (ja) |
JP (1) | JP2006250067A (ja) |
CN (1) | CN1942671A (ja) |
WO (1) | WO2006095843A1 (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100830235B1 (ko) * | 2007-01-09 | 2008-05-16 | 엘지전자 주식회사 | 밀폐형압축기의 흡입머플러 |
JP5945845B2 (ja) | 2011-04-11 | 2016-07-05 | パナソニックIpマネジメント株式会社 | 密閉型圧縮機 |
BR102013019311B1 (pt) * | 2013-07-30 | 2021-10-13 | Embraco Indústria De Compressores E Soluções Em Refrigeração Ltda | Dispositivo atenuador acústico para compressores |
BR202013024030Y1 (pt) * | 2013-09-19 | 2019-10-01 | Embraco Indústria De Compressores E Soluções E Refrigeração Ltda. | Disposição construtiva introduzida em filtro acústico de compressor hermético |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5943917A (ja) * | 1982-09-02 | 1984-03-12 | Sanyo Electric Co Ltd | 圧縮機の吸込マフラ製造方法 |
JP2000282989A (ja) * | 1999-03-31 | 2000-10-10 | Aisin Seiki Co Ltd | 樹脂製インテークマニホルド |
JP2001073946A (ja) * | 1999-08-31 | 2001-03-21 | Matsushita Refrig Co Ltd | 密閉型電動圧縮機 |
JP2001129849A (ja) * | 1999-11-09 | 2001-05-15 | Nissan Motor Co Ltd | 鍔状フランジを有する樹脂製品の射出溶着成形方法 |
JP2002046141A (ja) * | 2000-05-26 | 2002-02-12 | Oshima Denki Seisakusho:Kk | 射出成形体 |
JP2002046486A (ja) * | 2000-08-07 | 2002-02-12 | Toei Seisakusho:Kk | リザーバタンク及びその射出成型金型装置 |
JP2003245940A (ja) * | 2002-02-22 | 2003-09-02 | Toyoda Spinning & Weaving Co Ltd | 合成樹脂製中空成形体の製造装置及び製造方法 |
JP2004293505A (ja) * | 2003-03-28 | 2004-10-21 | Sanyo Electric Co Ltd | 圧縮機用マフラの製造方法 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6068082A (en) * | 1997-11-21 | 2000-05-30 | D'amico, Jr.; John | Muffler packing method and apparatus |
EP1045183A4 (en) * | 1997-12-24 | 2004-03-31 | Mikuni Plastics Co Ltd | HARD THERMOPLASTIC RESIN TUBE, TUBE COUPLING STRUCTURE AND MANUFACTURING METHOD |
JP2000337254A (ja) * | 1999-05-27 | 2000-12-05 | Matsushita Refrig Co Ltd | 密閉型電動圧縮機 |
-
2005
- 2005-03-11 JP JP2005069108A patent/JP2006250067A/ja active Pending
-
2006
- 2006-03-10 WO PCT/JP2006/304688 patent/WO2006095843A1/ja active Application Filing
- 2006-03-10 CN CNA200680000178XA patent/CN1942671A/zh active Pending
- 2006-03-10 US US11/578,148 patent/US20070212234A1/en not_active Abandoned
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5943917A (ja) * | 1982-09-02 | 1984-03-12 | Sanyo Electric Co Ltd | 圧縮機の吸込マフラ製造方法 |
JP2000282989A (ja) * | 1999-03-31 | 2000-10-10 | Aisin Seiki Co Ltd | 樹脂製インテークマニホルド |
JP2001073946A (ja) * | 1999-08-31 | 2001-03-21 | Matsushita Refrig Co Ltd | 密閉型電動圧縮機 |
JP2001129849A (ja) * | 1999-11-09 | 2001-05-15 | Nissan Motor Co Ltd | 鍔状フランジを有する樹脂製品の射出溶着成形方法 |
JP2002046141A (ja) * | 2000-05-26 | 2002-02-12 | Oshima Denki Seisakusho:Kk | 射出成形体 |
JP2002046486A (ja) * | 2000-08-07 | 2002-02-12 | Toei Seisakusho:Kk | リザーバタンク及びその射出成型金型装置 |
JP2003245940A (ja) * | 2002-02-22 | 2003-09-02 | Toyoda Spinning & Weaving Co Ltd | 合成樹脂製中空成形体の製造装置及び製造方法 |
JP2004293505A (ja) * | 2003-03-28 | 2004-10-21 | Sanyo Electric Co Ltd | 圧縮機用マフラの製造方法 |
Also Published As
Publication number | Publication date |
---|---|
US20070212234A1 (en) | 2007-09-13 |
CN1942671A (zh) | 2007-04-04 |
JP2006250067A (ja) | 2006-09-21 |
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