CN107314168A - A kind of pipe fitting joint structure and a kind of attachment structure of stainless steel pipe - Google Patents
A kind of pipe fitting joint structure and a kind of attachment structure of stainless steel pipe Download PDFInfo
- Publication number
- CN107314168A CN107314168A CN201710472455.7A CN201710472455A CN107314168A CN 107314168 A CN107314168 A CN 107314168A CN 201710472455 A CN201710472455 A CN 201710472455A CN 107314168 A CN107314168 A CN 107314168A
- Authority
- CN
- China
- Prior art keywords
- connecting portion
- branch sleeve
- barrel
- stainless steel
- pipe
- 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.)
- Granted
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L13/00—Non-disconnectible pipe-joints, e.g. soldered, adhesive or caulked joints
- F16L13/02—Welded joints
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L13/00—Non-disconnectible pipe-joints, e.g. soldered, adhesive or caulked joints
- F16L13/007—Non-disconnectible pipe-joints, e.g. soldered, adhesive or caulked joints specially adapted for joining pipes of dissimilar materials
- F16L13/013—Accessories therefor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L13/00—Non-disconnectible pipe-joints, e.g. soldered, adhesive or caulked joints
- F16L13/02—Welded joints
- F16L13/0218—Welded joints having an inner or outer ring
- F16L13/0227—Welded joints having an inner or outer ring having an inner ring
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/02—Energy absorbers; Noise absorbers
- F16L55/033—Noise absorbers
Abstract
The present invention relates to a kind of pipe fitting joint structure, including connecting portion (24) and branch sleeve (1), the connecting portion is made up of stainless steel material, the branch sleeve is made up of copper material, the branch sleeve (1) includes barrel (11) and the raised end (12) from the formation of the barrel (11) outward flanging, the protruding end portion is located at the side of the connecting portion (24) relatively outwardly, the barrel (11) is at least most of in the connecting portion (24) and the outer wall (111) of the barrel (11) is engaged with the inwall (211) of the connecting portion (24), the raised end (12) and the end (23) of the connecting portion (24) coordinate；The connecting portion is with the branch sleeve by being welded and fixed, space between the outer wall (111) of the barrel (11) and the inwall (211) of the connecting portion (24) has solder, space between the raised end (12) and the end (23) of the connecting portion (24) has solder, can facilitate the welding with copper pipe.
Description
Technical field
The invention belongs to refrigeration technology field, the connection between two kinds of different materials pipelines is related generally to.
Background technology
The product of refrigeration technology field includes domestic air conditioning, refrigerator, refrigerator-freezer etc., and these general systems can use copper pipe conduct
Connecting tube connects two parts, in order to easy to connect with copper pipe, and many parts also all mutually should be copper material and be made.Such as liquid reservoir
Or muffler (reservoir muffler) is the basic element of character in refrigeration system, liquid reservoir is can not only be used in systems is using to store
Unnecessary refrigerant in system；It can also be used as muffler, the equipment for causing air flow through and effectively reducing noise.
The reservoir muffler typically used, including one section of cylinder for being relatively large in diameter and to be welded in cylinder two ends diameter less
Air inlet pipe and escape pipe.Cylinder, air inlet pipe and the escape pipe of the reservoir muffler of traditional device are all made of using copper pipe, copper product
Price is high so that reservoir muffler cost is higher, and using the reservoir muffler of copper material, usually needs after welding
By acid cleaning process clean surface, the influence to environment is very big.
In patent No. ZL201010239596.2 Chinese invention publication, structure as shown in Figure 5 is disclosed, is
Integrally formed cylinder is used into stainless steel material, and air inlet pipe and escape pipe use copper material.Although such structure section
About departmental cost, when be 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 is differed greatly, and such as simple to implement welding, technology difficulty is increased, welding quality
Also be not easy to ensure, in actual industry due to this structure can not the original copper product of equivalent substitute, in the industry without very
Promote well.In addition, the welding temperature of stainless steel material is of a relatively high, the heat affecting of copper pipe is increased after welding, copper pipe welding
Material is also partially soft afterwards, easily causes and damages during follow-up manufacture assembling and twists and turns, while implementing welding under such circumstances
Afterwards, the grain size of copper pipe material is thick, because muffler, liquid reservoir are generally located on by compressor, for a long time in the environment of vibration
Lower work produces stress variation, in fact it could happen that copper pipe cracking causes thrashing.
So how to realize stainless steel pipe and copper pipe in the case where not increasing length or not changing connected mode substantially
Between be reliably connected, be the problem of those skilled in the art will solve.
The content of the invention
The present invention provides a kind of pipe fitting joint structure, can realize stainless steel tube in the case where not changing connected mode substantially
Being reliably connected between part and copper pipe, there is provided following technical scheme to achieve the above object：
A kind of pipe fitting joint structure, including connecting portion and branch sleeve, the connecting portion is made up of stainless steel material, described
Branch sleeve is made up of copper material, and the branch sleeve includes barrel and the projection from barrel outward flanging formation
End, the protruding end portion is located at the side of the connecting portion relatively outwardly, and the barrel is at least most of to be located at the company
In socket part and the outer wall of the barrel is engaged with the inwall of the connecting portion, the end of the raised end and the connecting portion
Portion coordinates；The connecting portion with the branch sleeve by being welded and fixed, the outer wall of the barrel and the connecting portion with
Space between the inwall of barrel (11) mating part has solder, the raised end and the end of the connecting portion
Between space there is solder.
The external profile diameter of the raised end can be straight more than or equal to the outer rim of the end of the connecting portion joined together by it
Footpath, the wall thickness of the barrel is less than the wall thickness of the connecting portion, and the connecting portion is fixed by stove solid welding with the branch sleeve
Connection.
The external profile diameter of the raised end can be straight more than or equal to the outer rim of the end of the connecting portion joined together by it
Footpath, the connecting portion is fixedly connected with the branch sleeve by stove weldering, the raised end and the end of the connecting portion
End face compression fit.
The inwall of the connecting portion coordinated with the barrel can also be set in the relative inner of the branch sleeve
Step surface, the branch sleeve is provided with positioning step portion, the step surface of the connecting portion at the relatively close step surface
There is the distance of axial direction, the positioning table of the step surface and the branch sleeve between the positioning step portion of the branch sleeve
Receiving portion is constituted between rank portion, described accommodation section can be used in placing the weldering when connecting portion is welded with the branch sleeve
Material.
The pipe fitting joint structure also includes connecting tube, and the connecting tube is made up of copper material, and the one of the connecting tube
End be located at the branch sleeve inner side, the connecting tube with the branch sleeve by being welded and fixed, the branch sleeve
It is isolated between solder and the connecting portion between the connecting tube by the branch sleeve.
Meanwhile, also provide a kind of attachment structure of stainless steel pipe, the attachment structure is used to be connected with copper pipe, it is described not
The steel pipe fitting that becomes rusty includes connecting portion, and the attachment structure includes branch sleeve, and the connecting portion is made up of stainless steel material, the company
Female connector cylinder is made up of copper material, and the branch sleeve includes barrel and the protruding end from barrel outward flanging formation
Portion, the protruding end portion is located at the side of the connecting portion relatively outwardly, and the barrel is at least most of to be located at the connection
In portion and the outer wall of the barrel is engaged with the inwall of the connecting portion, the raised end and the end of the connecting portion
Coordinate；The connecting portion with the branch sleeve by being welded and fixed, the outer wall of the barrel and the connecting portion and institute
Stating the space between the inwall of barrel (11) mating part has a solder, the end of the raised end and the connecting portion it
Between space there is solder.
The external profile diameter of the raised end can be straight more than or equal to the outer rim of the end of the connecting portion joined together by it
Footpath, the wall thickness of the barrel is less than the wall thickness of the connecting portion, and the connecting portion is fixed by stove solid welding with the branch sleeve
Connection.
The external profile diameter of the raised end can be straight more than or equal to the outer rim of the end of the connecting portion joined together by it
Footpath, the connecting portion is fixedly connected with the branch sleeve by stove weldering, the raised end and the end of the connecting portion
End face compression fit.
The inwall of the connecting portion coordinated with the barrel sets step surface in the relative inner of the branch sleeve,
The branch sleeve is provided with positioning step portion, the step surface of the connecting portion and the company at the relatively close step surface
There is the distance of axial direction, between the step surface and the positioning step portion of the branch sleeve between the positioning step portion of female connector cylinder
Receiving portion is constituted, described accommodation section is used to place the solder when connecting portion is welded with the branch sleeve.
The attachment structure of the stainless steel pipe also includes copper pipe, and the one end part of the copper pipe is in the branch sleeve
Inner side, the copper pipe with the branch sleeve by being welded and fixed, solder and institute between the branch sleeve and the copper pipe
State and be isolated by the branch sleeve between connecting portion；During the attachment structure processing of the stainless steel pipe, stainless steel pipe
Welding between the branch sleeve is earlier than the welding between the copper pipe and the branch sleeve.
By the setting of the raised end of branch sleeve, the exposed of weld part between branch sleeve and connecting portion can be made
Part be predominantly located at the relative inner of attachment structure, i.e., may be contacted rather than when in use with the medium such as refrigerant and outside is empty
Gas is directly contacted, the weld parts of the Outboard Sections coordinated between the end face of the end of only raised end and connecting portion directly with sky
Gas is contacted, even if the part that the exposed and air of the weld part between used time branch sleeve and connecting portion is directly contacted is relative
It is less, can so reduce the possibility of weld corrosion, while the setting of raised end can also facilitate follow-up branch sleeve with
Outside copper pipe is welded to connect, and solder during follow-up welding is not flowed to connecting portion.
Brief description of the drawings
Fig. 1：The preferred reservoir muffler structure schematic diagram that the present invention is provided；
Fig. 2：The enlarged diagram of the end position of reservoir muffler shown in Fig. 1；
Fig. 3:The preferred schematic diagram of the branch sleeve of reservoir muffler shown in Fig. 1；
Fig. 4：The reservoir muffler of the present invention and the schematic diagram after the connecting tube welding in stream；
Fig. 5：The schematic diagram of the reservoir muffler structure of prior art.
Symbol description in figure：
1- branch sleeves；
The raised end of 11- barrels, 12-；
13- convex epireliefs, 14- spigot surfaces；
15- positioning steps portion, 111- outer walls；
2- bodies；
21- ports, 22- step surfaces；
23- ends, 24- connecting portions, 211- internal faces；
Connecting tube in 3- streams.
Embodiment
Below in conjunction with specific embodiment, technical scheme is illustrated, below with a kind of (storage of reservoir muffler
Liquid device or muffler) and its with pipe fitting joint structure is specifically described exemplified by the connection of copper pipe.
The preferred reservoir muffler structure schematic diagram that Fig. 1 provides for the present invention；Fig. 2 is the end position of the reservoir muffler
The enlarged diagram put, Fig. 3 is the preferred schematic diagram of branch sleeve.
As shown in Figure 1, Figure 2 and Figure 3.The reservoir muffler that the present invention is provided, spinning mode is passed through using stainless steel pipe
Processing forms body 2, is formed at the two ends of body 2 by necking and flows into the connectivity port 21 flowed out with fluid for fluid, even
Connect and step surface 22 is provided with the internal face 211 of port 21.The two ends of body 2 form connecting portion 24 simultaneously, at least within one end
With connecting portion.
The branch sleeve 1 being made up of copper tubing includes substantially tubular barrel 11, leads in one end of barrel 11
Cross outward flanging and form raised end 12, the tapered spigot surface of straight longitudinal axis formed by necking in the other end of barrel 11
(14) the equally distributed some convex epireliefs 13 in axle periphery along sleeve 1, are machined with the outer wall 111 of sleeve 1.
Sleeve 1 is inserted into the connectivity port 21 of body 2, makes the outer wall 111 of barrel 11 and the inwall of connectivity port 21
211 coordinate, and the end 23 of raised end 12 and the connectivity port coordinates.Due to the presence of convex epirelief 13, in outer wall 111 and inwall
Clearance space is constituted between 211.
The end face compression fit of the raised end 12 of barrel 11 and the end 23 of connectivity port 21 simultaneously implements axially position.
In the assembling process of reservoir muffler, first the solder of ring-type can be preset (such as in the connectivity port 21 of body 2
Weld-ring), weld-ring is trapped on step surface 22, then branch sleeve 1 is pressed into, constitute and accommodate between spigot surface 11 and step surface 22
The receiving portion of default solder.Sub-assembly is placed in stove soldering equipment and is heated to appropriate technological temperature, solder fusing and due to rainbow
(capillary) effect is inhaled full of the consolidation that clearance space completes two parts is constituted between outer wall 111 and inwall 211, is constituted reservoir and is disappeared
Sound device.
Fig. 4 implements the structural representation after being welded to connect for the reservoir muffler of the present invention with the connecting tube 3 in stream.
As shown in Figure 4.The inwall front end of barrel 11 is provided with positioning step portion 15, can be by by positioning step portion 15
Pipeline fitting 3 in stream is positioned in reservoir muffler.Due to the barrel 11 of the branch sleeve 1 of copper material be arranged on it is stainless
The inside of the connectivity port 21 of the body 2 of Steel material, if lacked so there is the big grade of bobbin material grains degree during stove weldering
Fall into, the defect is likely to occur stress variation in the work of reservoir muffler, but the region intensity by stainless steel material sheet
Body 2 ensures, does not interfere with reservoir muffler bulk strength, makes system reliable operation.
It is as shown in Figure 4 again.After the reservoir muffler and the connecting tube of system that the present invention is provided are welded, only compress what is combined
The end 12 of branch sleeve 1 exposes in the environment with the end 23 of cylinder 2, and general welding structure is exposed to sky with welding manner
The contact surface of weld seam and air in gas is big, produces weld corrosion possibility greatly, however, it is possible to find out, the structure is due to being convex
The step end face gone out, this construction reduces the contact surface with air, it is to avoid produces the possibility of weld corrosion, does not interfere with more
To reservoir muffler bulk strength, make 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, branch sleeve 1
The external profile diameter of end 12 be less than or equal to external profile diameter with the connectivity port 21 joined together by it.Reservoir can so be improved
The welding of muffler and the pipeline fitting 3 in stream coordinates manufacturability.Different system users can be assembled in finished product as needed
Scene, is welded to connect the copper connecting tube of different size, manufacturing firm's product of reservoir muffler is realized versatility, is ensureing product
Cost is reduced on the premise of soldering reliability, manufacturing process environmental pollution and the copper pipe problem on deformation in transportation is reduced.
In the above-described embodiments, some salient points can also be set on the outer wall of the barrel of branch sleeve, can equally rises
To the effect that clearance space is constituted between outer wall and inwall.
In the above-described embodiments, branch sleeve is separately positioned on the inlet end and outlet end of stream, it should Ke Yili
Solution, according to actual needs, can be positioned only at the inlet end or outlet end of stream, and this falls within the technical protection of the present invention
Scope.
It the above is only preferably illustrate the preferred embodiment that technical scheme is enumerated, it is noted that
For those skilled in the art, under the premise without departing from the principles of the invention, some change can also be made
Enter and retouch, all these improvements and modifications also should be regarded as protection scope of the present invention.
Claims (10)
1. a kind of pipe fitting joint structure, including connecting portion (24) and branch sleeve (1), the connecting portion is by stainless steel material system
Into the branch sleeve is made up of copper material, and the branch sleeve (1) includes barrel (11) and from the barrel (11)
The raised end (12) of outward flanging formation, the protruding end portion is located at the side of the connecting portion (24) relatively outwardly, described
Barrel (11) it is at least most of in the connecting portion (24) and the barrel (11) outer wall (111) and the connection
The inwall (211) in portion (24) is engaged, and the raised end (12) and the end (23) of the connecting portion (24) coordinate；The company
Socket part with the branch sleeve by being welded and fixed, the outer wall (111) of the barrel (11) and the connecting portion (24) with
Space between the inwall (211) of barrel (11) mating part has solder, the raised end (12) and the company
Space between the end (23) of socket part (24) has solder.
2. pipe fitting joint structure as claimed in claim 1, it is characterised in that the external profile diameter of the raised end (12) is more than
Or equal to the external profile diameter of the end (23) with the connecting portion joined together by it, the wall thickness of the barrel (11) is less than the connection
The wall thickness in portion (24), the connecting portion is fixedly connected with the branch sleeve by stove weldering.
3. pipe fitting joint structure as claimed in claim 1, it is characterised in that the external profile diameter of the raised end (12) is more than
Or equal to the external profile diameter of the end (23) with the connecting portion joined together by it, the connecting portion is welded with the branch sleeve by stove
It is fixedly connected, the raised end (12) and the end face compression fit of the end of the connecting portion (24).
4. the pipe fitting joint structure as described in claim 1-3 is any, it is characterised in that the institute coordinated with the barrel (11)
The inwall for stating connecting portion is provided with step surface (22) in the relative inner of the branch sleeve, and the branch sleeve is relatively close
Positioning step portion is provided with the step surface, between the step surface of the connecting portion and the positioning step portion of the branch sleeve
Distance with axial direction, receiving portion, described accommodation section are constituted between the step surface and the positioning step portion of the branch sleeve
For placing the solder when connecting portion (24) is welded with the branch sleeve (1).
5. the pipe fitting joint structure as described in claim 1-4 is any, it is characterised in that the pipe fitting joint structure also includes connecting
Adapter, the connecting tube (3) is made up of copper material, and the one end part of the connecting tube (3) is in the interior of the branch sleeve (1)
Side, the connecting tube (3) with the branch sleeve (1) by being welded and fixed, the branch sleeve (1) and the connecting tube (3)
Between solder and the connecting portion (24) between be isolated by the branch sleeve (1).
6. a kind of attachment structure of stainless steel pipe, the attachment structure is used to be connected with copper pipe, the stainless steel pipe includes
Connecting portion (24), the attachment structure includes branch sleeve (1), and the connecting portion is made up of stainless steel material, the adapter sleeve
Cylinder is made up of copper material, and the branch sleeve (1) includes barrel (11) and formed from the barrel (11) outward flanging
Raised end (12), the protruding end portion be located at the side of the connecting portion (24) relatively outwardly, the barrel (11) is extremely
Be predominantly located in less in the connecting portion (24) and the outer wall (111) and the connecting portion (24) of the barrel (11) inwall
(211) it is engaged, the raised end (12) and the end (23) of the connecting portion (24) coordinate；The connecting portion and the company
Female connector cylinder is by being welded and fixed, outer wall (111) and the connecting portion (24) and the barrel of the barrel (11)
(11) space between the inwall (211) of mating part has solder, the raised end (12) and the connecting portion (24)
Space between end (23) has solder.
7. the attachment structure of stainless steel pipe as claimed in claim 6, it is characterised in that the outer rim of the raised end (12)
Diameter is more than or equal to the external profile diameter with the end (23) of the connecting portion joined together by it, and the wall thickness of the barrel (11) is less than
The wall thickness of the connecting portion (24), the connecting portion is fixedly connected with the branch sleeve by stove weldering.
8. the attachment structure of stainless steel pipe as claimed in claim 6, it is characterised in that the outer rim of the raised end (12)
Diameter is more than or equal to the external profile diameter with the end (23) of the connecting portion joined together by it, the connecting portion and the branch sleeve
It is fixedly connected by stove weldering, the raised end (12) and the end face compression fit of the end of the connecting portion (24).
9. the attachment structure of the stainless steel pipe as described in claim 6-8 is any, it is characterised in that with the barrel (11)
The inwall of the connecting portion coordinated is provided with step surface (22) in the relative inner of the branch sleeve, and the branch sleeve exists
Positioning step portion, the positioning table of the step surface of the connecting portion and the branch sleeve are provided with the relatively close step surface
There is the distance of axial direction between rank portion, receiving portion is constituted between the step surface and the positioning step portion of the branch sleeve, institute
Stating receiving portion is used to place the solder when connecting portion (24) is welded with the branch sleeve (1).
10. the attachment structure of the stainless steel pipe as described in claim 6-9 is any, it is characterised in that the stainless steel pipe
Attachment structure also include copper pipe, the one end part of the copper pipe in the inner side of the branch sleeve (1), the copper pipe with it is described
Branch sleeve (1) by being welded and fixed, solder between the branch sleeve (1) and the copper pipe and the connecting portion (24) it
Between be isolated by the branch sleeve (1)；During the attachment structure processing of the stainless steel pipe, stainless steel pipe and the company
Welding between female connector cylinder is earlier than the welding between the copper pipe and the branch sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710472455.7A CN107314168B (en) | 2013-10-10 | 2013-10-10 | Pipe fitting connecting structure and stainless steel pipe fitting connecting structure |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310468951.7A CN103791196B (en) | 2013-10-10 | 2013-10-10 | A kind of reservoir muffler |
| CN201710472455.7A CN107314168B (en) | 2013-10-10 | 2013-10-10 | Pipe fitting connecting structure and stainless steel pipe fitting connecting structure |
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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107314168A true CN107314168A (en) | 2017-11-03 |
| CN107314168B CN107314168B (en) | 2022-02-22 |
Family
ID=50667123
Family Applications (4)
| 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 |
| 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 |
| CN201310468951.7A Active CN103791196B (en) | 2013-10-10 | 2013-10-10 | A kind of reservoir muffler |
| CN201710232976.5A Active CN107013783B (en) | 2013-10-10 | 2013-10-10 | A kind of muffler |
Family Applications After (3)
| 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 |
| CN201310468951.7A Active CN103791196B (en) | 2013-10-10 | 2013-10-10 | A kind of reservoir muffler |
| CN201710232976.5A Active CN107013783B (en) | 2013-10-10 | 2013-10-10 | A kind of muffler |
Country Status (1)
| Country | Link |
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| CN (4) | CN107314168B (en) |
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| 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 |
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| JP6879408B1 (en) * | 2020-05-21 | 2021-06-02 | ダイキン工業株式会社 | Pressure vessel and refrigeration equipment |
| KR20230175297A (en) * | 2021-04-30 | 2023-12-29 | 제지앙 둔안 아트피셜 인바이런먼트 컴퍼니 리미티드 | Silencer assembly and air conditioner |
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| CN110184860A (en) * | 2018-02-23 | 2019-08-30 | 洛阳科博思新材料科技有限公司 | The double-deck track switch Damping fastening lower bolster and its manufacturing method |
| 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 |
| WO2020000964A1 (en) * | 2018-06-27 | 2020-01-02 | 广东美的暖通设备有限公司 | Filter, manufacturing method for filter and air conditioner |
| CN110735974A (en) * | 2018-07-20 | 2020-01-31 | 新昌县四通机电有限公司 | pipe fitting connecting structure, manufacturing method thereof, liquid storage device and refrigerating system |
| 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 |
| WO2022227704A1 (en) * | 2021-04-30 | 2022-11-03 | 浙江盾安人工环境股份有限公司 | Silencer and air conditioner having same |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107013783A (en) | 2017-08-04 |
| CN103791196B (en) | 2017-09-26 |
| CN107013783B (en) | 2019-01-29 |
| CN107314168B (en) | 2022-02-22 |
| CN107131366B (en) | 2019-07-16 |
| CN103791196A (en) | 2014-05-14 |
| CN107131366A (en) | 2017-09-05 |
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