CN107013783B - A kind of muffler - Google Patents

A kind of muffler Download PDF

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Publication number
CN107013783B
CN107013783B CN201710232976.5A CN201710232976A CN107013783B CN 107013783 B CN107013783 B CN 107013783B CN 201710232976 A CN201710232976 A CN 201710232976A CN 107013783 B CN107013783 B CN 107013783B
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CN
China
Prior art keywords
wall
barrel
connection sleeve
muffler
connectivity port
Prior art date
Legal status (The legal status 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 status listed.)
Active
Application number
CN201710232976.5A
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Chinese (zh)
Other versions
CN107013783A (en
Inventor
不公告发明人
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xinchang four link electromechanical Co., Ltd.
Original Assignee
Xinchang Four Link Electromechanical Co Ltd
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.)
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Publication date
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Application filed by Xinchang Four Link Electromechanical Co Ltd filed Critical Xinchang Four Link Electromechanical Co Ltd
Priority to CN201710232976.5A priority Critical patent/CN107013783B/en
Publication of CN107013783A publication Critical patent/CN107013783A/en
Application granted granted Critical
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L13/00Non-disconnectible pipe-joints, e.g. soldered, adhesive or caulked joints
    • F16L13/02Welded joints
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L13/00Non-disconnectible pipe-joints, e.g. soldered, adhesive or caulked joints
    • F16L13/007Non-disconnectible pipe-joints, e.g. soldered, adhesive or caulked joints specially adapted for joining pipes of dissimilar materials
    • F16L13/013Accessories therefor
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L13/00Non-disconnectible pipe-joints, e.g. soldered, adhesive or caulked joints
    • F16L13/02Welded joints
    • F16L13/0218Welded joints having an inner or outer ring
    • F16L13/0227Welded joints having an inner or outer ring having an inner ring
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L55/00Devices or appurtenances for use in, or in connection with, pipes or pipe systems
    • F16L55/02Energy absorbers; Noise absorbers
    • F16L55/033Noise absorbers

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Exhaust Silencers (AREA)
  • Non-Disconnectible Joints And Screw-Threaded Joints (AREA)
  • Butt Welding And Welding Of Specific Article (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)

Abstract

The present invention relates to a kind of mufflers, a kind of muffler, including the ontology made of stainless steel material (2), the connectivity port (21) flowed into for fluid with fluid outflow is offered on the ontology (2), it is characterized in that, in at least one described connectivity port (21), connection sleeve (1) made of copper material is welded and fixed, the connection sleeve (1) includes barrel (11), and the outer wall (111) of the barrel (11) and the inner wall (211) of the connectivity port (21) cooperate;Step surface (22) are provided on the inside of the connection sleeve with the inner wall of the connectivity port (21) of the barrel (11) cooperation, the connection sleeve is provided with positioning step portion at the relatively close step surface, and the step surface of the ontology has at a distance from axial direction between the positioning step portion of the connection sleeve.Muffler functional reliability is strong, and manufacturing firm's product can realize versatility, and cost is reduced guarantee Product jointing reliability under the premise of, reduces the copper pipe problem on deformation in manufacturing process environmental pollution and transportational process.

Description

A kind of muffler
It is CN201310468951.7 that the application, which is based on former application number of invention patent, and the applying date is on October 10th, 2013, Apply for the divisional application of entitled " a kind of pipe fitting joint structure and a kind of connection structure of stainless steel pipe ".
Technical field
The invention belongs to refrigeration technology fields, relate generally to a kind of muffler.
Background technique
Muffler is the basic element of character in refrigeration system, can not only be used for liquid reservoir use in systems with more in stocking system Remaining refrigerant;It can also be used as muffler use, the equipment for causing air flow through and noise capable of being effectively reduced.
The muffler generally used, the cylinder being relatively large in diameter including one section and is welded in the lesser air inlet of cylinder both ends diameter Pipe and escape pipe.The cylinder of traditional muffler, air inlet pipe and an air outlet pipe are all made of using copper pipe, and copper product price is high, are made Muffler cost it is relatively high, and using copper material muffler, usually need to clean by acid cleaning process after welding Surface, the influence to environment are very big.
In the Chinese invention publication of patent No. ZL201010239596.2, structure as shown in Figure 5 is disclosed, is Integrally formed cylinder is used into stainless steel material, and air inlet pipe and an air outlet pipe uses copper material.Although such structure section About departmental cost, but in the fabrication process, by the barrel soldering of copper entry/exit tracheae and stainless steel material, due to The welding characteristic of copper material and stainless steel material differs greatly, and technology difficulty enlarged relative, welding quality is also not easy to guarantee. It is larger due to being located at weld seam outside muffler in addition, in use, it is possible to face of weld contact with air accumulate compared with Greatly, this can influence the service life of muffler.So how to improve muffler structure, guarantee Product jointing reliability, Its service life is improved simultaneously, is that those skilled in the art will solve the problems, such as.
Summary of the invention
The present invention provides a kind of Novel muffler, enhances soldering reliability.
Muffler includes the ontology made of stainless steel material), it offers on the ontology and flows into and flow for fluid The connectivity port of body outflow is welded and fixed at least one described connectivity port and connects sleeve made of copper material, institute Stating connection sleeve includes barrel, and the inner wall of the outer wall of the barrel and the connectivity port cooperates;Match with the barrel The inner wall for the connectivity port closed is provided with step surface on the inside of the connection sleeve, and the connection sleeve is relatively close It is provided with positioning step portion at the step surface, has between the step surface of the ontology and the positioning step portion of the connection sleeve There is axial distance.
The connection sleeve may include the raised end formed from the barrel outward flanging, the raised end External profile diameter be greater than or equal to its joined together by connectivity port end external profile diameter.
The outer wall of the barrel is provided with guide surface, the guide surface and the step surface in relatively close step surface side Between be configured to accommodate the receiving portion of default solder;The outer wall of the barrel includes cooperating with the inner wall of the connectivity port Axially engage section, the inner wall of the connectivity port includes axially engaging section with the outer wall of barrel cooperation.
The connection made of copper material can be welded and fixed in two connectivity ports of the ontology in the muffler Sleeve, with the barrel) inner wall of described two connectivity ports of cooperation is provided with platform on the inside of the connection sleeve Terrace, described two connection sleeves include barrel, and the connection sleeve is provided with fixed at the relatively close step surface Position stage portion, the step surface of the ontology have at a distance from axial direction between the positioning step portion of the connection sleeve.
The muffler that the present invention provides, it is possible to have reservoir function, in the present specification referred to as muffler.Muffler At least most of inside that barrel is set of sleeve will be connected, and uses copper material, and by the way that solder is placed on ontology It is welded between the connection sleeve and inner body wall face of inside, flows to solder relatively fewer outside muffler, Ke Nengyu The face of weld product of air contact is smaller, to improve the service life of muffler.
Detailed description of the invention
Fig. 1: the preferred muffler structure schematic diagram that the present invention provides;
The enlarged diagram of the end position of muffler shown in Fig. 2: Fig. 1;
The preferred schematic diagram of connection sleeve of muffler shown in Fig. 3: Fig. 1;
Fig. 4: the schematic diagram after connecting tube welding in muffler and flow path of the invention;
Fig. 5: the schematic diagram of the muffler structure of the prior art.
Symbol description in figure:
1- connection sleeve;
11- barrel, 12- raised end;
13- convex epirelief, 14- guide surface;
15- positioning step portion, 111- outer wall;
2- ontology;
The port 21-, 22- step surface;
The end 23-, 211- inner wall;
Connecting tube in 3- flow path.
Specific embodiment
Below in conjunction with specific embodiment, technical solution of the present invention is illustrated, is had by taking muffler as an example below Body explanation.
Fig. 1 is the preferred muffler structure schematic diagram that the present invention provides;Fig. 2 is the amplification of the end position of the muffler Schematic diagram, Fig. 3 are the connection preferred schematic diagram of sleeve.
As shown in Figure 1, Figure 2 and Figure 3.The muffler that the present invention provides is processed using stainless steel pipe by spinning mode Ontology 2 is formed, is formed at the both ends of ontology 2 by necking and flows into the connectivity port 21 flowed out with fluid for fluid, in connecting pin Step surface 22 is provided on the inner wall 211 of mouth 21.
The connection sleeve 1 made of copper tubing includes substantially tubular barrel 11, logical in one end of barrel 11 It crosses outward flanging and forms raised end 12, the tapered guide surface of straight longitudinal axis is formed by necking in the other end of barrel 11 (14), it is machined on the outer wall 111 of sleeve 1 along the equally distributed several convex epireliefs 13 in the axis periphery of sleeve 1.
Sleeve 1 is inserted into the connectivity port 21 of ontology 2, makes the outer wall 111 of barrel 11 and the inner wall of connectivity port 21 The end 23 of 211 cooperations, raised end 12 and the connectivity port cooperates.Due to the presence of convex epirelief 13, in outer wall 111 and inner wall Clearance space is constituted between 211.
The raised end 12 of barrel 11 and 23 compression fit of end face of connectivity port 21 simultaneously implement axially position.
In the assembling process of muffler, cricoid solder can be first preset in the connectivity port of ontology 2 21 (as welded Ring), it is trapped in weld-ring on step surface 22, then be pressed into connection sleeve 1, constitutes and accommodated in advance between guide surface 14 and step surface 22 If the receiving portion of solder.Sub-assembly is placed in furnace soldering equipment and is heated to technological temperature appropriate, solder fusing and due to siphon (capillary) effect constitutes muffler full of the consolidation for constituting clearance space two parts of completion between outer wall 111 and inner wall 211.
Fig. 4 is that the connecting tube 3 in muffler and flow path of the invention implements the structural schematic diagram after being welded to connect.
As shown in Figure 4.The inner wall front end of barrel 11 is provided with positioning step portion 15, can be incited somebody to action by positioning step portion 15 Pipeline fitting 3 in flow path is located in muffler.Since the barrel 11 of the connection sleeve 1 of copper material is arranged in stainless steel The inside of the connectivity port 21 of the ontology 2 of material, so if there is the defects of bobbin material grains degree is big during furnace weldering, it should Defect is likely to occur stress variation in the work of muffler, but the intensity in the region is guaranteed by the ontology 2 of stainless steel material, no It influences whether muffler integral strength, makes system reliable operation.
Again as shown in Figure 4.After the welding of the connecting tube of the muffler that the present invention provides and system, the connection of combination is only compressed The end 12 of sleeve 1 and the end 23 of cylinder 2 expose in the environment, and general welding structure and welding manner exposure are in air Weld seam and air contact surface it is big, generate that weld corrosion possibility is big, however, it is possible to find out, the structure is due to being protrusion Step end face avoids a possibility that generating weld corrosion, does not interfere with more and disappear this construction reduces the contact surface with air Sound device integral strength keeps system work relatively reliable.
In the present invention, the wall thickness that can preferably set barrel 11 is less than the wall thickness of the connectivity port 21, connects sleeve 1 End 12 external profile diameter be less than or equal to its joined together by connectivity port 21 external profile diameter.Noise reduction can be improved in this way The welding of pipeline fitting 3 in device and flow path cooperates craftsmanship.Different system users can according to need in finished product assembly site, It is welded to connect the copper connecting tube of different size, manufacturing firm's product of muffler is made to realize versatility, is guaranteeing that Product jointing is reliable Property under the premise of reduce cost, reduce the copper pipe problem on deformation in manufacturing process environmental pollution and transportational process.
In the above-described embodiments, it connects and several salient points also can be set on the outer wall of the barrel of sleeve, can equally rise To the effect for constituting clearance space between outer wall and inner wall.
In the above-described embodiments, connection sleeve is separately positioned on the inlet end and outlet end of flow path, it should Ke Yili Solution, according to actual needs, can be positioned only at the inlet end or outlet end of flow path, this also belongs to technical protection of the invention Range.
The above is only preferably to illustrate preferred embodiment that technical solution of the present invention is enumerated, it is noted that For those skilled in the art, without departing from the principle of the present invention, several change can also be made Into and retouching, all these improvements and modifications also should be regarded as protection scope of the present invention.

Claims (5)

1. a kind of muffler, including the ontology made of stainless steel material (2), offers on the ontology (2) and flowed into for fluid With the connectivity port (21) of fluid outflow, which is characterized in that the muffler further includes with barrel (11), positioning step portion (15) connection sleeve (1), the outer wall (111) of the barrel (11) and the inner wall (211) of the connectivity port (21) cooperate, should Connection sleeve (1) is weldingly fixed at least one described connectivity port (21), the company with the barrel (11) cooperation The inner wall for connecing port (21) is provided with step surface (22) on the inside of the connection sleeve, and the positioning step portion (15) is set to The connection sleeve at the relatively close step surface, the step surface (22) of the ontology and the positioning step portion (15) it Between there is axial distance.
2. muffler as described in claim 1, which is characterized in that the connection sleeve (1) includes from the barrel (11) The raised end (12) that outward flanging is formed, the external profile diameter of the raised end (12) be greater than or equal to its joined together by company Connect the external profile diameter of the end (23) of port (21).
3. muffler as described in claim 1, which is characterized in that the outer wall of the barrel (11) is in relatively close step surface Side is provided with guide surface (14), is configured to accommodate the appearance of default solder between the guide surface (14) and the step surface (22) Receive portion;The outer wall (111) of the barrel (11) includes axially engaging with what the inner wall (211) of the connectivity port (21) cooperated Section, the inner wall (211) of the connectivity port (21) include axially engaging with what the outer wall (111) of the barrel (11) cooperated Section.
4. muffler as claimed in claim 2, which is characterized in that the outer wall of the barrel (11) is in relatively close step surface Side is provided with guide surface (14), is configured to accommodate the appearance of default solder between the guide surface (14) and the step surface (22) Receive portion;The outer wall (111) of the barrel (11) includes axially engaging with what the inner wall (211) of the connectivity port (21) cooperated Section, the inner wall (211) of the connectivity port (21) include axially engaging with what the outer wall (111) of the barrel (11) cooperated Section.
5. muffler according to any one of claims 1-4, which is characterized in that two companies of the muffler in the ontology It connects port and connection sleeve (1) made of copper material is welded and fixed, described two companies with the barrel (11) cooperation The inner wall for connecing port (21) is provided with step surface (22) on the inside of the connection sleeve, described two connection sleeve (1) packets It includes barrel (11), the connection sleeve is provided with positioning step portion at the relatively close step surface, the ontology Step surface has at a distance from axial direction between the positioning step portion of the connection sleeve.
CN201710232976.5A 2013-10-10 2013-10-10 A kind of muffler Active CN107013783B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710232976.5A CN107013783B (en) 2013-10-10 2013-10-10 A kind of muffler

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201710232976.5A CN107013783B (en) 2013-10-10 2013-10-10 A kind of muffler
CN201310468951.7A CN103791196B (en) 2013-10-10 2013-10-10 A kind of reservoir muffler

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CN201310468951.7A Division CN103791196B (en) 2013-10-10 2013-10-10 A kind of reservoir muffler

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Publication Number Publication Date
CN107013783A CN107013783A (en) 2017-08-04
CN107013783B true CN107013783B (en) 2019-01-29

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Application Number Title Priority Date Filing Date
CN201710472341.2A Active CN107131366B (en) 2013-10-10 2013-10-10 A kind of connection structure of pipe fitting joint structure and stainless steel pipe and copper pipe
CN201710232976.5A Active CN107013783B (en) 2013-10-10 2013-10-10 A kind of muffler
CN201710472455.7A Active CN107314168B (en) 2013-10-10 2013-10-10 Pipe fitting connecting structure and stainless steel pipe fitting connecting structure
CN201310468951.7A Active CN103791196B (en) 2013-10-10 2013-10-10 A kind of reservoir muffler

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Application Number Title Priority Date Filing Date
CN201710472455.7A Active CN107314168B (en) 2013-10-10 2013-10-10 Pipe fitting connecting structure and stainless steel pipe fitting connecting structure
CN201310468951.7A Active CN103791196B (en) 2013-10-10 2013-10-10 A kind of reservoir muffler

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CN106917924A (en) * 2015-12-28 2017-07-04 浙江盾安人工环境股份有限公司 A kind of spout interface structure and muffler
CN107144045B (en) * 2016-03-01 2020-01-21 杭州三花微通道换热器有限公司 Evaporator
JP6948402B2 (en) * 2017-03-06 2021-10-13 新昌▲県▼四通▲機▼▲電▼有限公司 Vibration control pipe and its manufacturing method
CN108730665A (en) * 2017-04-17 2018-11-02 新昌县四通机电有限公司 A kind of muffler assembly
CN108730666A (en) * 2017-04-17 2018-11-02 新昌县四通机电有限公司 A kind of muffler
CN110184860B (en) * 2018-02-23 2021-03-19 洛阳科博思新材料科技有限公司 Double-layer turnout vibration-damping fastener lower base plate and manufacturing method thereof
CN110345319A (en) * 2018-04-08 2019-10-18 杭州三花研究院有限公司 A kind of pipe fitting joint structure, a kind of muffler, a kind of air-conditioning system and a kind of refrigeration system
CN110385561A (en) * 2018-04-18 2019-10-29 杭州三花研究院有限公司 The manufacturing process of tube assembly and the tube assembly
US11598553B2 (en) * 2018-06-27 2023-03-07 Gd Midea Heating & Ventilating Equipment Co., Ltd. Filter, manufacturing method for filter and air conditioner
CN110735974B (en) * 2018-07-20 2022-06-21 新昌县四通机电有限公司 Pipe fitting connecting structure, manufacturing method thereof, liquid storage device and refrigerating system
CN111195756A (en) * 2018-11-19 2020-05-26 新昌县四通机电有限公司 Welding method, manufacturing method and refrigerating system
CN111594669A (en) * 2019-02-21 2020-08-28 浙江三花智能控制股份有限公司 Pipe fitting connecting structure
JP6879408B1 (en) * 2020-05-21 2021-06-02 ダイキン工業株式会社 Pressure vessel and refrigeration equipment
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Also Published As

Publication number Publication date
CN107013783A (en) 2017-08-04
CN107314168B (en) 2022-02-22
CN107314168A (en) 2017-11-03
CN107131366B (en) 2019-07-16
CN103791196B (en) 2017-09-26
CN103791196A (en) 2014-05-14
CN107131366A (en) 2017-09-05

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