CN114623304A - Pipeline connecting assembly - Google Patents

Pipeline connecting assembly Download PDF

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Publication number
CN114623304A
CN114623304A CN202111474468.0A CN202111474468A CN114623304A CN 114623304 A CN114623304 A CN 114623304A CN 202111474468 A CN202111474468 A CN 202111474468A CN 114623304 A CN114623304 A CN 114623304A
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CN
China
Prior art keywords
welding
component
interface
connecting pipe
matching
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.)
Withdrawn
Application number
CN202111474468.0A
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Chinese (zh)
Inventor
褚莉
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.)
Xuzhou Tengda Construction Machinery Co ltd
Original Assignee
Xuzhou Tengda Construction Machinery 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.)
Filing date
Publication date
Application filed by Xuzhou Tengda Construction Machinery Co ltd filed Critical Xuzhou Tengda Construction Machinery Co ltd
Priority to CN202111474468.0A priority Critical patent/CN114623304A/en
Publication of CN114623304A publication Critical patent/CN114623304A/en
Withdrawn legal-status Critical Current

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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
    • F16L41/00—Branching pipes; Joining pipes to walls
    • F16L41/02—Branch units, e.g. made in one piece, welded, riveted
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K33/00—Specially-profiled edge portions of workpieces for making soldering or welding connections; Filling the seams formed thereby
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
    • B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
    • B23K35/24—Selection of soldering or welding materials proper
    • 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
    • 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
    • F16L41/00—Branching pipes; Joining pipes to walls
    • F16L41/02—Branch units, e.g. made in one piece, welded, riveted
    • F16L41/023—Y- pieces

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Butt Welding And Welding Of Specific Article (AREA)

Abstract

According to the invention, parts of the pipe fitting connecting assembly are processed separately, wherein the first part is made of stainless steel materials, the second part is made of stainless steel materials, the connecting pipe is made of copper materials, the first part and the second part are fixedly connected by welding, the first part and the connecting pipe are fixedly connected by welding, and the second part and the connecting pipe are fixedly connected by welding.

Description

Pipeline connecting assembly
Technical Field
The invention relates to the field of air conditioning systems, in particular to a pipeline connecting assembly.
Background
Some air conditioning systems can use a tee pipe connecting assembly to control the confluence or diversion of fluid, and the pipeline of a general multi-way pipe connecting device and the system is made of the same material, so that the welding is facilitated, the connection is relatively convenient, the pipe connecting assembly is made of red copper materials, and the surface treatment such as acid washing and the like is possibly required in the processing process of the red copper materials, so that the environmental protection is influenced to a certain extent.
Therefore, there is a need for improvements in the above technologies to address the technical problems encountered.
Disclosure of Invention
In order to solve the technical problems, the technical scheme provided by the invention is as follows:
a pipeline connecting assembly comprises a first component, a second component and at least two connecting pipes, wherein the first component is made of stainless steel materials, the second component is made of stainless steel materials, the connecting pipes are made of copper materials, the first component is fixedly connected with the second component through welding, the first component is fixedly connected with the connecting pipes through welding, and the second component is fixedly connected with the connecting pipes through welding; the first part comprises a first matching part, the second part comprises a second matching part, the second matching part is provided with a hole part, at least part of the first matching part extends into the hole part of the second matching part, the first matching part is matched with the second matching part, and the first matching part is fixedly connected with the second matching part through welding.
Further, the first part adopts the processing of stainless steel sheet material to form, the second part adopts the processing of stainless steel sheet material to form, the first part includes first cooperation portion, the second part includes second cooperation portion, second cooperation portion has the hole portion, first cooperation portion at least part stretches into in the hole portion of second cooperation portion, first cooperation portion with second cooperation portion cooperation, the first part with the second part is fixed through argon arc welding or gas shielded welding or laser welding, the first part with the takeover passes through the furnace welding of burner or realizes welded fastening through the oven, the second part with the takeover passes through the furnace welding of burner or realizes welded fastening through the oven.
Further, the first component further comprises a first main body part, a first diameter-changing part, a first interface part and a second interface part, and the first matching part, the first main body part, the first diameter-changing part, the first interface part and the second interface part are of an integrated structure obtained by stamping steel; the second part further comprises a second main body part, a second diameter-changing part and a third interface part, and the second matching part, the second main body part, the second diameter-changing part and the third interface part are of an integral structure.
Further, the pipe connecting assembly comprises a first connecting pipe, a second connecting pipe and a third connecting pipe, the first connecting pipe comprises a first welding matching part, the second connecting pipe comprises a second welding matching part, the third connecting pipe comprises a third welding matching part, and the first welding matching part is matched with the first interface part of the first component so as to facilitate welding; the first connecting pipe and the first connecting port are fixed through welding; the second weld mating portion mates with the second interface portion of the first component to facilitate welding; the second connecting pipe and the second interface part are fixed by welding; the third weld engagement portion engages a third interface portion of the second component to facilitate welding; the third connecting pipe and the third connecting port are fixed through welding.
Furthermore, the welding of the first connecting pipe and the first interface part, the welding of the second connecting pipe and the second interface part, and the welding of the third connecting pipe and the third interface part are completed at one time, the solder adopted when the first component and the first connecting pipe are welded comprises bronze solder, the solder adopted when the first component and the second connecting pipe are welded comprises bronze solder, and the solder adopted when the second component and the third connecting pipe are welded comprises bronze solder.
After the scheme is adopted, the invention has the following advantages: according to the invention, parts of the pipe fitting connecting assembly are processed separately, wherein the first part is made of stainless steel materials, the second part is made of stainless steel materials, the connecting pipe is made of copper materials, the first part and the second part are fixedly connected by welding, the first part and the connecting pipe are fixedly connected by welding, and the second part and the connecting pipe are fixedly connected by welding.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic view of one embodiment of a tubular coupling assembly provided by the present invention;
FIG. 2 is a schematic perspective view of one embodiment of the tubular connecting assembly of FIG. 1;
FIG. 3 is a cross-sectional schematic view of one embodiment of the tubular connecting assembly of FIG. 2;
figure 4 is an exploded view of the tubular coupling assembly shown in figure 1.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the embodiments of the present invention, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or the orientations or positional relationships that the products of the present invention are usually placed in when used, the orientations or positional relationships are only used for convenience of describing the present invention and simplifying the description, but the terms do not indicate or imply that the devices or elements indicated must have specific orientations, be constructed in specific orientations, and operate, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not require that the components be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the embodiments of the present invention, "a plurality" means at least 2.
In the description of the embodiments of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.
As shown in fig. 1, in the present embodiment, the pipe connecting assembly 100 includes a first component 1 and a second component 2, the first component 1 and the second component 2 are both made of stainless steel, the first component 1 includes a first mating portion 11, a first main body portion 12, a first interface portion 13, and a second interface portion 14, and the second component 2 includes a second mating portion 21, a second main body portion 22, and a third interface portion 23. The first component 1 and the second component 2 are fixed by welding, specifically, stainless steel plates meeting requirements are selected, stretching and shaping processing is carried out to obtain a first matching part 11 and a first main body part 12, then the stretched stainless steel plates are punched and flanged to obtain a first interface part 13 and a second interface part 14, namely the first matching part 11, the first main body part 12, the first interface part 13 and the second interface part 14 are of an integral structure, the first main body part is communicated with the first matching part, and the first main body part is communicated with the second interface part and the first matching part, so that the first component 1 is obtained; correspondingly, a stainless steel plate meeting the requirements is selected, stretching and shaping are carried out to obtain a second matching part 21 and a second main body part 22, then the stretched stainless steel plate is punched and flanged to obtain a third interface part 23, namely the second matching part 21, the second main body part 22 and the third interface part 23 are of an integral structure, and the second main body part is communicated with the third interface part and the second matching part, so that the second component 2 is obtained.
As shown in fig. 2-4, in this embodiment, the first component 1 and the second component 2 are fixedly connected by welding, specifically, the first matching portion 11 of the first component 1 has a hole portion, and the second matching portion 21 of the second component 2 at least partially extends into the hole portion of the first matching portion 11, that is, the first matching portion 11 is sleeved on the second matching portion 21, the outer diameter of the first matching portion 11 is greater than the outer diameter of the second matching portion 21, so that the first matching portion 11 and the second matching portion 21 are matched for welding, the gap between the first matching portion 11 and the second matching portion 21 is less than 0.03mm, or the first matching portion 11 and the second matching portion 21 are in transition fit, and are fixed or limited by a tool when the first matching portion 11 and the second matching portion are not welded; or interference fit between first cooperation portion 11 and the second cooperation portion 21 again, the interference magnitude between first cooperation portion 11 and the second cooperation portion 21 is less than 0.06mm promptly, and such cooperation, first cooperation portion 11 and second cooperation portion 21 need not to fix or spacing with the help of other frocks when the welding after carrying out the compressed tightly cooperation in the welding, and this processing is more convenient. And first part 1 and second part 2 are stainless steel material, compare in the brass material of using before, to the assembly surface treatment simpler and convenient, the field of use is also more extensive to environmental protection more.
In another embodiment, the second matching portion 21 of the second component 2 has a hole portion, the first matching portion 11 of the first component 1 at least partially extends into the hole portion of the second matching portion 21, that is, the second matching portion 21 is sleeved on the first matching portion 11, the outer diameter of the second matching portion 21 is larger than the outer diameter of the first matching portion 11, so that the first matching portion 11 and the second matching portion 21 are matched for welding, the gap between the first matching portion 11 and the second matching portion 21 is smaller than 0.03mm, or the first matching portion 11 and the second matching portion 21 are in transition fit, and the first matching portion 11 and the second matching portion 21 are fixed or limited by means of a tool when being welded; or interference fit between first cooperation portion 11 and the second cooperation portion 21 again, the interference magnitude between first cooperation portion 11 and the second cooperation portion 21 is less than 0.06mm promptly, and such cooperation, first cooperation portion 11 and second cooperation portion 21 need not to fix or spacing with the help of other frocks when the welding after carrying out the compressed tightly cooperation in the welding, and this processing is more convenient.
As shown in fig. 1-4, the first member 1 includes a first main body portion 12 and a first diameter-changing portion 15, the second member 2 includes a second main body portion 22 and a second diameter-changing portion 24, the first diameter-changing portion 15 is located between the first main body portion 12 and the first interface portion 13 and the second interface portion 14, the second diameter-changing portion 24 is located between the second main body portion 22 and the third interface portion 23, the first diameter-changing portion 15 and the second diameter-changing portion 24 are actually two transition sections processed from the main body portion to the interface portion, wherein an outer diameter of an end of the second diameter-changing portion 24 close to the second fitting portion 21 is larger than an outer diameter of an end of the second diameter-changing portion 24 close to the third interface portion 23, and a cross-sectional area perpendicular to an axis of the third interface portion 23 and surrounded by an outer wall of the second diameter-changing portion 24 is gradually reduced from the end of the second diameter-changing portion 24 close to the second fitting portion 21 to the end of the second diameter-changing portion 24 close to the third interface portion 23, therefore, the liquid can flow more smoothly after flowing in, and the risk of backflow is avoided.
The pipe connecting assembly 100 further comprises a first connecting pipe 3, a second connecting pipe 4 and a third connecting pipe 5, wherein the first connecting pipe 3 comprises a first welding matching part 31, the second connecting pipe 4 comprises a second welding matching part 41, the third connecting pipe 5 comprises a third welding matching part 51, and the first welding matching part 31 is matched with the first connecting part 13 of the first component 1 so as to facilitate welding; specifically, the first welding matching part 31 is inserted into a hole part where the first connecting part 13 of the first component 1 is located, and is welded to realize the fixation between the first connecting pipe 3 and the first connecting part 13; the second welding matching part 41 is inserted into a hole part of the first component 1 where the second connecting part 14 is located, and is welded to fix the second connecting pipe 4 and the second connecting part 14; the third welding fitting 51 is inserted into a hole portion of the second member 2 where the third connecting pipe 23 is located, and is welded to fix the third connecting pipe 5 and the third connecting pipe 23.
In order to ensure the welding quality of the connecting pipes and the connecting port, drawn wires or protrusions and the like can be arranged at the first welding matching part 31 of the first connecting pipe 3, the second welding matching part 41 of the second connecting pipe 4 and the third welding matching part 51 of the third connecting pipe 5, so that the welding matching parts form a local convex structure, the connecting pipes and the connecting port form a local interference structure, the fixing between the connecting pipes and the connecting port during furnace welding is facilitated, meanwhile, solder can be filled between the welding matching of the connecting pipes and the connecting port during welding, and the welding between the welding matching parts of the connecting pipes and the connecting port is more reliable.
Assembling the first component 1 and the second component 2, and at least partially extending the first matching part 11 of the first component 1 into the hole part of the second matching part 21 of the second component 2 to complete the installation and fixation of the first component 1 and the second component 2; welding the first component 1 and the second component 2 by argon arc welding, gas shielded welding or laser welding, wherein the gas shielded welding comprises inert gas and reducing gas shielding, and then the first connecting pipe 3 and the first connecting port 13 are fixedly installed, specifically, the first welding matching part 31 is inserted into a hole part where the first connecting port 13 of the first component 1 is located; and/or the second adapter tube 4 and the second interface part 14 are fixedly installed, specifically, the second welding matching part 41 is inserted into a hole part where the second interface part 14 of the first component 1 is located; and/or the third connecting pipe 5 and the third connecting port 23 are fixedly installed, specifically, the third welding matching part 51 is inserted into a hole part where the third connecting port 23 of the second component 2 is located, so that the first connecting pipe 3, the second connecting pipe 4 and the third connecting pipe 5 are welded with the first component 1 and the second component 2 through a tunnel furnace in a gas shielded furnace welding mode, or the pipe connecting assembly 100 is subjected to shielded welding by keeping a certain temperature and time through a vacuum furnace. In the process of assembling the first connecting tube 3, the second connecting tube 4 and the third connecting tube 5, annular solders (such as solder rings) may be preset in the first interface 13, the second interface 14 and the third interface 23, respectively, so that the solder rings are left, and then the first connecting tube 3, the second connecting tube 4 and the third connecting tube 5 are installed. After the first part 1 and the second part 2 are fixed through argon arc welding, gas shielded welding or laser welding, a tunnel furnace or a vacuum furnace is adopted to be integrally welded with the first connecting pipe 3, the second connecting pipe 4 and the third connecting pipe 5, and harmful stress can be effectively eliminated.
In addition, the first component 1 and the second component 2 are assembled, so that the first matching part 11 of the first component 1 at least partially extends into the hole part of the second matching part 21 of the second component 2, and the first component 1 and the second component 2 are installed and fixed; then the first connecting pipe 3 and the first interface part 13 are installed and fixed, specifically, the first welding matching part 31 is inserted into the hole part of the first interface part 13 of the first component 1; and/or the second adapter tube 4 and the second interface part 14 are fixedly installed, specifically, the second welding matching part 41 is inserted into a hole part where the second interface part 14 of the first component 1 is located; and/or the third connecting pipe 5 and the third connecting pipe 23 are fixedly installed, specifically, the third welding matching part 51 is inserted into a hole part where the third connecting pipe 23 of the second component 2 is located, so that the first component 1, the second component 2, the first connecting pipe 3, the second connecting pipe 4 and the third connecting pipe 5 are integrally assembled, and then gas shielded furnace welding is performed through a tunnel furnace, or the pipe connecting assembly 100 is subjected to shielded welding by keeping a certain temperature and time through a vacuum furnace.
The present invention and its embodiments have been described above, and the description is not intended to be limiting, and the drawings are only one embodiment of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (5)

1. A pipeline connecting assembly comprises a first component, a second component and at least two connecting pipes, wherein the first component is made of stainless steel materials, the second component is made of stainless steel materials, the connecting pipes are made of copper materials, the first component is fixedly connected with the second component through welding, the first component is fixedly connected with the connecting pipes through welding, and the second component is fixedly connected with the connecting pipes through welding; the first part comprises a first matching part, the second part comprises a second matching part, the second matching part is provided with a hole part, at least part of the first matching part extends into the hole part of the second matching part, the first matching part is matched with the second matching part, and the first matching part is fixedly connected with the second matching part through welding.
2. The conduit coupling assembly of claim 1, wherein the first member is formed from a stainless steel sheet material, the second member is formed from a stainless steel sheet material, the first member includes a first mating portion, the second member includes a second mating portion, the second mating portion has a hole portion, the first mating portion extends at least partially into the hole portion of the second mating portion, the first mating portion and the second mating portion mate with each other, the first member and the second member are secured by argon arc welding or gas shielded arc welding or laser welding, the first member and the nozzle are secured by welding with a furnace or an oven, and the second member and the nozzle are secured by welding with a furnace or an oven.
3. The pipeline connecting assembly according to claim 2, wherein the first member further includes a first main body portion, a first diameter-changing portion, a first interface portion and a second interface portion, and the first mating portion, the first main body portion, the first diameter-changing portion, the first interface portion and the second interface portion are of an integral structure obtained by stamping steel; the second part further comprises a second main body part, a second diameter-changing part and a third interface part, and the second matching part, the second main body part, the second diameter-changing part and the third interface part are of an integral structure.
4. The conduit connection assembly of claim 3, wherein the tube connection assembly comprises a first nipple, a second nipple, and a third nipple, the first nipple comprising a first weld engagement, the second nipple comprising a second weld engagement, the third nipple comprising a third weld engagement, the first weld engagement cooperating with the first interface portion of the first component to facilitate welding; the first connecting pipe and the first connecting port are fixed through welding; the second weld mating portion mates with the second interface portion of the first component to facilitate welding; the second connecting pipe and the second interface part are fixed by welding; the third weld engagement portion engages a third interface portion of the second component to facilitate welding; the third connecting pipe and the third connecting port are fixed through welding.
5. The pipeline connecting assembly according to claim 4, wherein the welding of the first connecting pipe and the first interface part, the welding of the second connecting pipe and the second interface part, and the welding of the third connecting pipe and the third interface part are completed at one time, the solder used in the welding of the first component and the first connecting pipe comprises bronze solder, the solder used in the welding of the first component and the second connecting pipe comprises bronze solder, and the solder used in the welding of the second component and the third connecting pipe comprises bronze solder.
CN202111474468.0A 2021-12-03 2021-12-03 Pipeline connecting assembly Withdrawn CN114623304A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111474468.0A CN114623304A (en) 2021-12-03 2021-12-03 Pipeline connecting assembly

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111474468.0A CN114623304A (en) 2021-12-03 2021-12-03 Pipeline connecting assembly

Publications (1)

Publication Number Publication Date
CN114623304A true CN114623304A (en) 2022-06-14

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202111474468.0A Withdrawn CN114623304A (en) 2021-12-03 2021-12-03 Pipeline connecting assembly

Country Status (1)

Country Link
CN (1) CN114623304A (en)

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Application publication date: 20220614

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