CN113864558A - Connecting assembly, liquid reservoir, manufacturing method of connecting assembly and manufacturing method of liquid reservoir - Google Patents
Connecting assembly, liquid reservoir, manufacturing method of connecting assembly and manufacturing method of liquid reservoir Download PDFInfo
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- CN113864558A CN113864558A CN202010614015.2A CN202010614015A CN113864558A CN 113864558 A CN113864558 A CN 113864558A CN 202010614015 A CN202010614015 A CN 202010614015A CN 113864558 A CN113864558 A CN 113864558A
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- steel base
- aluminum
- aluminum adapter
- welding
- main body
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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
- F16L41/08—Joining pipes to walls or pipes, the joined pipe axis being perpendicular to the plane of the wall or to the axis of another pipe
- F16L41/082—Non-disconnectible joints, e.g. soldered, adhesive or caulked joints
- F16L41/084—Soldered joints
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- 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
- B23K1/00—Soldering, e.g. brazing, or unsoldering
- B23K1/008—Soldering within a furnace
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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
- F16L15/00—Screw-threaded joints; Forms of screw-threads for such joints
- F16L15/04—Screw-threaded joints; Forms of screw-threads for such joints with additional sealings
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Arc Welding In General (AREA)
Abstract
The invention discloses a connecting assembly, a liquid storage device, a manufacturing method of the connecting assembly and a manufacturing method of the liquid storage device, wherein the connecting assembly comprises a steel base and an aluminum adapter, the steel base comprises a first main body part and a second main body part, the first main body part and the second main body part are integrally formed, and the steel base comprises a channel which extends into the first main body part and the second main body part; the second main body part of the steel base comprises a first joint part, the aluminum adapter comprises a second joint part, and through the manufacturing method of the connecting assembly and the manufacturing method of the liquid storage device, the obtained steel base and the aluminum adapter are in threaded connection through a first threaded part and a second threaded part, aluminum welding materials are placed at positions to be welded between the steel base and the aluminum adapter, furnace welding is conducted, the steel base and the aluminum adapter can be located in advance through a threaded connection structure in the welding process, the welding effect can be improved, and therefore the connecting assembly can be connected reliably.
Description
[ technical field ] A method for producing a semiconductor device
The present invention relates to the field of refrigeration.
[ background of the invention ]
Products in the refrigeration technology field include air conditioners, refrigerators, freezers and the like, and a refrigeration system of the products includes aluminum devices such as liquid reservoirs, silencers and the like, and when the devices are connected with pipelines or matching parts, how to design a connection structure between the parts needs to be solved for technical problems faced by technicians at present.
[ summary of the invention ]
The invention aims to provide a connecting component capable of being reliably connected, a liquid container, a manufacturing method of the connecting component and a manufacturing method of the liquid container.
In order to realize the purpose, the following technical scheme is adopted: a connection assembly comprises a steel base and an aluminum adapter, wherein the steel base comprises a first main body part and a second main body part, the first main body part and the second main body part are integrally formed, and the steel base comprises a channel which extends into the first main body part and the second main body part; the second main body part of the steel base comprises a first joint part, the aluminum adapter comprises a second joint part, at least partial wall part of the first joint part is in threaded connection with at least partial wall part of the second joint part, and the first joint part and the second joint part are welded and fixed.
In order to achieve the purpose, the following technical scheme can be adopted: the liquid storage device comprises a device body, the liquid storage device comprises the connecting assembly, at least part of the connecting part of the aluminum adapter extends into the device body, a pore channel of the connecting part is communicated with a cavity of the device body, and the peripheral wall of the connecting part is welded and fixed with the hole wall of the device body.
In order to achieve the purpose, the following technical scheme can be adopted: a method for manufacturing the connecting assembly comprises the following steps: providing a steel base, wherein a pore channel is formed on the steel base, and a first threaded part is processed on the steel base; providing an aluminum adapter, wherein the aluminum adapter is formed with a pore channel and a second threaded part; one of the first thread part and the second thread part is an external thread part, and the other one is an internal thread part; and the steel base and the aluminum adapter are in threaded connection through the first threaded part and the second threaded part, and aluminum welding flux is put into a part to be welded between the steel base and the aluminum adapter to perform furnace welding.
A method of manufacturing a reservoir comprising providing the above-described connection assembly; the manufacturing method of the connecting component comprises the following steps: providing a steel base, wherein a pore channel is formed on the steel base, and a first threaded part is machined on the steel base; providing an aluminum adapter, wherein the aluminum adapter is formed with a connecting part and a pore channel, and a second thread part is machined on the aluminum adapter; one of the first thread part and the second thread part is an external thread part, and the other one is an internal thread part; the steel base and the aluminum adapter are in threaded connection through the first threaded portion and the second threaded portion, welding flux is put into a portion to be welded between the steel base and the aluminum adapter, and furnace welding is conducted, wherein the furnace welding temperature is higher than 580 ℃.
The connecting assembly and the liquid storage device are characterized in that the first main body part and the second main body part of the steel base of the connecting assembly are integrally formed, at least partial wall part of the first joint part is in threaded connection with at least partial wall part of the second joint part, and meanwhile the first joint part and the second joint part are welded and fixed, so that the connecting assembly can be reliably connected.
Through the manufacturing method of the connecting component and the manufacturing method of the liquid storage device, the obtained steel base and the aluminum adapter are in threaded connection through the first threaded portion and the second threaded portion, aluminum welding flux is put into a portion to be welded between the steel base and the aluminum adapter, furnace welding is conducted, the steel base and the aluminum adapter can be positioned in advance through the threaded connection structure in the welding process, the welding effect can be improved, and therefore the connecting component can be connected reliably.
[ description of the drawings ]
FIG. 1 is a schematic view of a connection assembly
FIG. 2 is a schematic perspective view of a reservoir;
FIG. 3 is an angled cross-sectional view of the reservoir of FIG. 2;
FIG. 4 is an enlarged schematic view of the portion of the reservoir Q shown in the figure;
FIG. 5 is another perspective view of the reservoir;
FIG. 6 is a schematic partial exploded view of the reservoir;
FIG. 7 is another partially exploded schematic view of the reservoir;
FIG. 8 is a schematic view of the connection assembly mating with the casing;
FIG. 9 is a partial schematic view of a sight glass end cap of the reservoir;
fig. 10 is a partial schematic view of a protective stopper end cap of a reservoir.
[ detailed description ] embodiments
The invention will be further described with reference to the following figures and specific examples:
as shown in fig. 1 to 4, the present embodiment mainly takes a liquid reservoir 100 as an example, the liquid reservoir 100 includes a body 1, a pipeline connection structure 2, 2', an inner tube 4, a connection plate 5, and a connection assembly 7, wherein the connection assembly 7 includes a cover member, specifically, the cover member includes a liquid viewing mirror member 3 and a protection plug member 6, and the connection assembly 7 is described in detail below. Of course, in other modes, the connection assembly 7 may be used to connect the refrigerant pipeline, or may be installed at a desired position of the refrigerant pipeline, and may also be applied to other functional devices such as a filter, a muffler, and the like.
As shown in fig. 5 to 10, the present disclosure provides a connection assembly 7, where the connection assembly 7 includes a steel base 71 and an aluminum adapter 72, and the steel base 71 and the aluminum adapter 72 are connected by welding, where the steel base 71 includes a first main body portion 7101 and a second main body portion 7102, and the first main body portion and the second main body portion are integrally formed, and specifically, may be machined from a steel bar or other steel material; the connecting assembly 7 further comprises at least one cover part, in particular a cover part of a sight glass or a protective plug, part of the wall of which is sealingly connected to the first body part 7101; the outer wall of the aluminum adapter 72 has a connecting part 721, and the connecting part 721 can be welded and fixed to a device or a pipe fitting which is matched with the connecting component 7, such as a wall of a body hole or a wall of a pipe fitting hole of an aluminum body such as a reservoir, a filter, etc., so as to mount the connecting component 7 to the corresponding device or pipe fitting; the connecting part at least partially extends into the device body, the pore channel of the connecting part is communicated with the cavity of the device body or the pipeline, and the peripheral wall of the connecting part is welded and fixed with the hole wall of the device body or the pipeline.
The second body part 7102 comprises a first joint part 711, the aluminum adapter 72 comprises a second joint part 722, at least partial wall parts of the first joint part 711 and at least partial wall parts of the second joint part 722 are in butt fit, and the first joint part and the second joint part are welded and fixed, so that the assembly of the steel base 71 and the aluminum adapter 72 is realized, and the steel base 71 and the aluminum adapter 72 are reliably connected and fixed by welding; specifically, the steel base 71 may be made of stainless steel or other steel, and the aluminum adapter is made of aluminum, as will be understood in conjunction with the subsequent manufacturing process.
The present disclosure also provides a connection assembly 7, wherein the steel base 71 includes a channel extending in the first main body portion 7101 and the second main body portion 7102 along an axial direction of the steel base; the steel base 71 is in threaded connection with part of the aluminum adapter 72, specifically, at least part of the wall of the first joint part 711 of the steel base 71 is in threaded connection with at least part of the wall of the second joint part 722 of the aluminum adapter 72, and the first joint part 711 and the second joint part are welded and fixed, so that the steel base 71 and the aluminum adapter 72 are assembled in a threaded connection mode, and the steel base 71 and the aluminum adapter 72 are further reliably connected and fixed through welding; in addition, before welding, the steel base 71 and the aluminum adapter 72 are in threaded connection, so that pre-assembly can be realized, and movement between the steel base and the aluminum adapter is reduced during subsequent welding, so that welding is firmer, and dependence on positioning tools and fixtures before and during welding is reduced; the steel base 71 and the aluminum adapter 72 are in clearance fit or transition fit, the connecting assembly 7 further comprises an aluminum welding flux which is welded and melted between the steel base and the aluminum adapter, and the aluminum welding flux is welded through a tunnel furnace or protected and welded through a vacuum welding furnace during welding.
Here, the joint portion refers to a butt-welded portion and a welded peripheral portion; "sealingly attached" means that the seal can be achieved by welding, or by adding a sealing element between the cover member and the first body portion, and then by screwing to achieve a limit and simultaneous seal; "butted fit" is defined as one of the walls extending into a channel formed by the walls of the other; the connecting part is defined as the lower end part of the aluminum adapter can partially extend into the body of the liquid reservoir and is welded and fixed with the wall of the hole of the body of the liquid reservoir.
In this embodiment, the steel base 71 and the aluminum adapter 72 are partially in clearance fit, and the distance of the clearance is 0.05-0.25mm along the radial direction of the first joint part 7101 of the steel base 71, and the distance of the clearance is the maximum distance of the clearance between the first joint part 711 and the second joint part 722. Specifically, the steel base 71 and the aluminum adapter 72 are assembled and positioned in a threaded connection mode, and when the steel base and the aluminum adapter are welded after assembly, the steel base and the aluminum adapter do not need to be limited by other tools; and the connection reliability is further improved by the combination of the threaded connection and the welding after the welding.
Taking the liquid reservoir 100 as an example, the cover member may specifically be the sight glass end cover 3 or the protective plug end cover 6, the cover member includes a cover base 311, the cover base 311 is fixedly connected or connected in a limiting manner with the first main body portion 7101, and the cover base 311 is arranged in a sealing manner with the first main body portion 7101, so that the sight glass end cover 3 can ensure the sealing property while being detectable normally, the leakage of refrigerant is reduced to the greatest extent, or the protective plug end cover 6 performs overpressure or overtemperature protection on the basis of ensuring the sealing property;
taking the liquid viewing mirror end cap 3 as an example, the liquid viewing mirror end cap 3 comprises a liquid viewing window portion, the liquid viewing window portion 314 and the cover body base portion 311 are integrally formed, fixed and hermetically arranged, and the cavity portion of the cover body base portion is communicated with the inner area of the liquid viewing window portion, so that the refrigerant can flow to the inner area of the liquid viewing window portion, and the refrigerant can be detected; the transparent display part or the quartz window part of the liquid viewing window part is sintered and fixed with the inner peripheral wall of the base part of the cover body for sealing arrangement, the structure is relatively simple, the connection strength is high, and meanwhile, the sealing performance is better; this liquid window portion inside wall is connected with test section to the quality and the water content of monitoring system refrigerant, bubble or flash gas in can the real-time observation system judge whether the refrigerant quantity is sufficient, and test section specifically receives the influence of refrigerant can change the colour, so can be through the water content in the colour change indicating system of test section. Taking the protection plug end cover 6 as an example, the cover component includes an end cover 611, an aluminum plug part or a fusible part 614, the aluminum plug part is welded and fixed with the hole wall of the end cover for sealing, and when the refrigerant pressure is too high and the refrigerant temperature is too high, the aluminum plug part can be melted for sensing the refrigerant pressure.
One way is that the first main body part 7101 includes a recess, the external thread connector of the peripheral wall of the cover body base 311 is located in the recess, and the external thread connector is in threaded connection with the internal thread part of the first main body part, so as to realize the limit connection between the cover body base 311 and the first main body part 7101, further, in cooperation, the connection assembly includes at least one sealing element 8, which may be in the form of a sealing gasket, the sealing element 8 is compressed between the cover component and the first main body part 7101, and the sealing arrangement between the cover component and the first main body part 7101 is realized through the sealing element 8; the first body part 7101 includes a stepped part 712 formed on an outer peripheral side of the recess, the seal member 8 is restricted at the stepped part, and the lid member has boss parts 312 and 612 provided corresponding to the stepped part, which cooperate with the stepped part to enable axial restriction of the lid member with respect to the first body part. The related sealing member, specifically at least one first sealing member 81 related to the structure of the liquid viewing mirror end cover 3 shown in fig. 6 and 10, the first sealing member 81 is limited at the step portion 712, the liquid viewing mirror end cover has a boss portion 312 arranged corresponding to the step portion, and the boss portion 312 of the liquid viewing mirror end cover is matched with the step portion 712 to press the first sealing member 81 to realize sealing arrangement; or at least one second sealing element 82 related to the structure of the protective plug end cover 6 shown in fig. 8 and 10, wherein the second sealing element 82 is limited at the step part 612, and the boss part of the protective plug end cover is matched with the step part to press the second sealing element to realize sealing arrangement.
As shown in fig. 8 and 9, the connection assembly further includes a third seal 91 and a fourth seal 92, the third seal 91 and the fourth seal 92 may be configured as a seal ring, the third seal 91 is mounted on the periphery of the mounting portion 313 of the liquid lens end cover, an inner peripheral wall portion of the third seal 91 is in contact with an outer peripheral wall portion of the mounting portion 313 to realize axial sealing, one side of the third seal 91 is in contact with the stepped portion 312, and the other side of the third seal 91 is in elastic contact with the first seal 81 to realize at least two radial seals. The fourth seal 92 is attached to the peripheral side of the attachment portion 613 of the plug end cover 6, the inner peripheral wall portion of the fourth seal 92 abuts against the outer peripheral wall portion of the attachment portion 613 to seal the plug end cover 6 in the axial direction, one side of the fourth seal 92 abuts against the stepped portion 612 of the plug end cover 6, and the other side of the fourth seal 92 elastically abuts against the second seal 82 to seal the plug end cover 6 in the radial direction at least at two places.
To further illustrate the connection between the first and second connector portions, the second connector portion 722 includes a channel portion, a portion of the inner wall of which forms an internal threaded portion; the connecting end part of the first joint part 711 is positioned in the pore channel of the pore channel part, one part of the connecting end part comprises an external thread part, and the external thread part is in threaded connection with the internal thread part, so that the part of the first joint part of the copper base is covered in the second joint part of the aluminum adapter, and at least part of the outer wall of the aluminum adapter is exposed outside at the moment, so that the connecting part 721 of the subsequent aluminum adapter can be conveniently and smoothly welded and fixed with the corresponding wall of the device body pore; further, the other part of the connection end portion of the first joint part 711 includes an external connection wall portion which is welded and fixed to the unthreaded section inside the aluminum adapter, and the external connection wall portion and the external threaded portion are integrally formed on the first joint part outer wall of the steel base 71. The thread section length of the external thread part is smaller than the extension length of the first joint part 711, the depth of the first joint part 711 screwed into the second joint part 722 can be controlled through the thread section length of the external thread part or the thread section length of the internal thread part, the axial length of the section of the thread structure is defined as the thread section length, particularly, a stop structure is arranged at the position where the thread ends to limit the continuous rotation between the steel base and the aluminum adapter, and therefore, the axial limit of the first joint part and the second joint part can be realized; the external thread portion is matched with the internal thread portion, and radial limiting between the first joint portion and the second joint portion can be achieved.
Of course, in other embodiments, the specific arrangement of the internal and external screw thread portions may be changed, for example, the first joint portion 711 includes a hole wall portion, a part of the inner wall of the hole wall portion forms an internal screw thread portion, the connecting section of the second joint portion 722 is located in the hole of the hole wall portion, the connecting section includes an external screw thread portion, the external screw thread portion is in threaded connection with the internal screw thread portion, and the external screw thread portion is welded and fixed with the internal screw thread portion; the other part of the hole wall part comprises an inner connecting wall part which is fixedly welded with a non-threaded section on the outer side of the aluminum adapter, the inner connecting wall part and the inner threaded part are integrally formed on the inner wall of the first joint part of the steel base, and at least part of the outer wall of the aluminum adapter is exposed on the outer side after threaded connection, so that the connecting part 721 of the subsequent aluminum adapter can be conveniently and smoothly welded and fixed with the corresponding device body hole wall and the like.
The connecting assembly 7 further comprises a sleeve 10, and the sleeve 10 at least covers the outer side of the connecting part of the steel base 71 and the aluminum adapter 72, so that on one hand, the wear resistance of the metal surface layer exposed outside can be improved, and meanwhile, the sealing performance of the connecting part of the steel base and the aluminum adapter can also be improved, the influence of the external environment on the welding part of the steel base and the aluminum adapter can be reduced, the corrosion can be reduced, and the connection reliability can be improved; specifically, the sleeve 10 is a heat shrinkage type sleeve 10, is mounted on the outer sides of the steel base 71 and the aluminum adapter 72 in a clearance fit manner, and then is shrunk by a hot air blowing gun or other heat applying manners, so that the sleeve 10 is limited on the outer side walls of the steel base 71 and the aluminum adapter 72; the sleeve further comprises a first sleeve wall portion 101 and a second sleeve wall portion 102, the first sleeve wall portion 101 is located on the partial periphery of the steel base 71, and the second sleeve wall portion 102 is located on the partial periphery of the aluminum adapter 72, so that sealing protection of the sleeve on the steel base 71 and the aluminum adapter 72 is improved.
The related pipeline connection structure 2 comprises an aluminum pipe 21, a steel pipe 22 and a copper pipe 23, wherein the aluminum pipe 21 and the device body 1 are welded or integrally formed, the aluminum pipe 21 comprises an aluminum pipe fixing part 211, the steel pipe 22 comprises a first steel pipe fixing part 221 and a second steel pipe fixing part 222, the copper pipe 23 comprises a copper fixing part 231, the aluminum pipe fixing part 211 and the first steel pipe fixing part 221 are welded, and the second steel pipe fixing part 222 and the copper fixing part 231 are welded, wherein the aluminum pipe 21 mentioned above and throughout should comprise aluminum metal or aluminum alloy material with aluminum as a main component, the steel pipe 22 should comprise stainless steel, carbon steel and the like, and the copper pipe 23 should comprise copper metal or copper alloy material with copper as a main component. As another mode, the device body 1 is made of copper, the device body 1 and the copper pipe 23 are integrally or welded, and the aluminum pipe 21 and the copper pipe 23 are not welded and fixed directly, that is, the aluminum pipe fixing portion 211 and the copper fixing portion 231 are not in contact, so that the steel pipe 22 indirectly and fixedly connects the copper pipe and the aluminum pipe, and the copper pipe and the aluminum pipe distributed at both ends can be respectively connected with copper or aluminum parts, thereby reducing galvanic corrosion caused by contact of copper and aluminum and relatively improving connection reliability. Here and throughout the text, the welding setting refers to a welding setting by a solder or a solder layer, and the aluminum pipe fixing portion 211 refers to a pipe section which is matched when the aluminum pipe 21 and the steel pipe 22 are welded, and includes a portion where the aluminum pipe 21 and the steel pipe 22 are welded and a portion in the vicinity of the portion where the aluminum pipe 21 and the steel pipe 22 are welded; the steel pipe first fixing portion 221 is a pipe segment to which the steel pipe 22 is fitted when welded to the aluminum pipe 21, and includes a portion where the steel pipe 22 is welded to the aluminum pipe 21 and a portion in the vicinity of the welded portion; the steel pipe second fixing portion 222 is a pipe segment that is engaged when the steel pipe 22 and the copper pipe 23 are welded, and includes a portion where the steel pipe 22 and the copper pipe 23 are welded and a portion near the welded portion; the copper fixing portion 231 is a pipe segment to which the copper pipe 23 is fitted when welded to the steel pipe 22, and includes a portion where the copper pipe 23 is welded to the steel pipe 22 and a portion near the portion where the copper pipe 23 is welded to the steel pipe 22.
The technical scheme also provides a manufacturing method of the connecting assembly 7, which comprises the following steps:
providing a steel base 71, wherein a pore channel is formed on the steel base, and a first threaded part is machined on the steel base;
providing an aluminum adapter 72 formed with a hole and a second threaded portion; one of the first thread part and the second thread part is an external thread part, and the other one is an internal thread part;
the steel base 71 and the aluminum adapter 72 are in threaded connection through the first threaded portion and the second threaded portion, and an aluminum solder is placed in a portion to be welded between the steel base 71 and the aluminum adapter 72 for furnace welding.
Before furnace welding, the steel base 71 and the aluminum adapter 72 are in threaded connection, so that pre-assembly can be realized to play a positioning role, and the dependence on a positioning tool clamp before welding and in the welding process is reduced; the movement between the two parts is reduced during subsequent welding, so that the welding is firmer; the steel base 71 and the aluminum adapter 72 are in clearance fit or transition fit, the connecting assembly 7 further comprises an aluminum welding flux which is welded and melted between the steel base and the aluminum adapter, and the aluminum welding flux is welded through a tunnel furnace or protected and welded through a vacuum welding furnace during welding.
In the technical scheme, the manufacturing method of the liquid storage device comprises the following steps:
providing a steel base 71, wherein a pore channel is formed on the steel base, and a first threaded part is machined on the steel base;
providing an aluminum adapter 72, wherein the aluminum adapter is formed with a connecting part 721, and the aluminum adapter is formed with a duct, and a second threaded part is machined on the aluminum adapter; one of the first thread part and the second thread part is an external thread part, and the other one is an internal thread part;
the steel base 71 and the aluminum adapter 72 are in threaded connection through a first threaded part and a second threaded part, and a welding flux is put into a part to be welded between the steel base and the aluminum adapter for furnace welding, wherein the furnace welding temperature is higher than 580 ℃;
the step of further installing the sleeve 10 comprises: providing a cylindrical material which can be heated to shrink, and sleeving the steel base 71 and the aluminum adapter 72 in a clearance fit manner to heat and shrink.
The liquid viewing mirror end cover and the protective plug end cover of the connecting assembly can be installed after welding, damage of the detection part of the liquid viewing mirror end cover at high furnace welding temperature is reduced, and deformation or falling of the aluminum blocking part or the fusible part of the protective plug end cover at high furnace welding temperature is prevented.
The method for manufacturing the liquid reservoir 100 further provides a body 1, wherein the body is provided with a hole wall;
at least part of the connecting part 721 is arranged in the hole wall, and the pre-assembled parts are welded in an argon arc welding or furnace welding mode, so that the aluminum adapter 72 and the device body 1 are welded and fixed;
the solder is aluminum solder, and in the step of furnace welding the steel base 71 and the aluminum adapter 72, the first joint part 72 of the steel base 71 and the second joint part 722 of the aluminum adapter have a furnace welding temperature, the melting temperature of the solder is greater than 580 ℃, and the solder can be specifically aluminum solder, and the solder is melted between the steel base 71 and the aluminum adapter 72 to form a welding seam part; the welding manner of the steel base 71 and the aluminum adapter 72 is furnace welding, and the melting temperature of the aluminum solder is greater than 580 degrees centigrade, for example, the melting temperature of the solder is greater than 600 degrees centigrade, and the melting temperature of the solder is 601, 602, 603, 604, 605, 606, 607, 608, 609, 610, 630, 640, 650 degrees centigrade, etc.
In the step after the aluminum adapter 72 and the device body 1 are welded and fixed, the cover members 3 and 6 are mounted, and the cover members and the first body part are limited by threaded connection; seals 91, 92 are provided to press between the cover member and the first body portion to seal; the method comprises the following specific steps:
installing a first sealing element 81 between the step part 712 and the cover body base part of the liquid viewing mirror end cover 3, limiting the first main body part of the steel base and the cover body base part of the liquid viewing mirror end cover by threads, completing the assembly of the connecting assembly 7 and the liquid viewing mirror end cover 3, installing the sealing elements 81 and 91 in place respectively before the assembly, and compressing the sealing elements 81 and 91 to realize sealing after the assembly is completed; limiting the first main body part of the steel base and the cover body base part of the protection plug end cover through threads, and completing assembly of the connecting assembly 7 and the protection plug end cover 6; the seals 82, 92 are each installed in place prior to assembly and the seals 82, 82 are also compressed to effect sealing after assembly.
Claims (10)
1. A connection assembly, characterized in that the connection assembly comprises a steel base and an aluminum adapter, the steel base comprises a first main body part and a second main body part, the first main body part and the second main body part are integrally formed, the steel base comprises a channel, and the channel extends into the first main body part and the second main body part;
the second main body part of the steel base comprises a first joint part, the aluminum adapter comprises a second joint part, at least partial wall part of the first joint part is in threaded connection with at least partial wall part of the second joint part, and the first joint part and the second joint part are welded and fixed.
2. The connection assembly according to claim 1, wherein the second joint part includes a tunnel part, a part of an inner wall of which forms an internal thread part; the connecting end portion of the first joint portion is located inside the duct of the duct portion, and a part of the connecting end portion comprises an external thread portion; the external thread part is in threaded connection with the internal thread part; the other part of the connecting end part comprises an outer connecting wall part which is welded and fixed with a non-threaded section on the inner side of the aluminum adapter, and the outer connecting wall part and the outer threaded part are integrally formed on the outer wall of the first joint part of the steel base.
3. The connecting assembly according to claim 1 or 2, wherein the steel base and the aluminum adapter are in clearance fit or transition fit, and the connecting assembly further comprises an aluminum solder melted between the steel base and the aluminum adapter, and the aluminum solder is welded through a tunnel furnace or protected by a vacuum welding furnace.
4. The connecting assembly according to claim 2, wherein the thread length of the external thread part is smaller than the extension length of the first joint part, and the depth of screwing the first joint part into the second joint part can be controlled by the thread length of the external thread part or the thread length of the internal thread part, so that the axial limit of the first joint part and the second joint part is realized; the external thread portion is matched with the internal thread portion, and radial spacing between the first joint portion and the second joint portion can be achieved.
5. A reservoir, the reservoir comprising a body, characterized in that: the reservoir comprises the connecting assembly of any one of claims 1-4, the connecting portion of the aluminum adapter extends at least partially into the body, the bore of the connecting portion communicates with the cavity of the body, and the peripheral wall of the connecting portion is welded to the wall of the hole of the body.
6. The reservoir of claim 5, wherein the connection assembly further comprises a sight glass end cap, at least one first sealing element, the sight glass end cap comprises a quartz sight window portion, the first main body portion comprises a stepped portion, the first sealing element is limited on the stepped portion, the sight glass end cap has a boss portion arranged corresponding to the stepped portion, and the boss portion and the stepped portion cooperate to compress the first sealing element to achieve a sealing arrangement.
7. The reservoir of claim 5 or 6, wherein the connecting assembly further comprises a protective plug end cap, at least one second sealing element, the protective plug end cap comprises a fusible portion, the first main body portion comprises a stepped portion, the second sealing element is limited on the stepped portion, the protective plug end cap has a boss portion arranged corresponding to the stepped portion, and the boss portion and the stepped portion cooperate to compress the second sealing element to achieve a sealing arrangement.
8. A method of manufacturing a connection assembly according to any one of claims 1 to 4, wherein: the method comprises the following steps:
providing a steel base, wherein a pore channel is formed on the steel base, and a first threaded part is processed on the steel base;
providing an aluminum adapter, wherein the aluminum adapter is formed with a pore channel and a second threaded part; one of the first thread part and the second thread part is an external thread part, and the other one is an internal thread part;
and the steel base and the aluminum adapter are in threaded connection through the first threaded part and the second threaded part, and aluminum welding flux is put into a part to be welded between the steel base and the aluminum adapter to perform furnace welding.
9. A method of manufacturing a reservoir comprising providing a connection assembly according to any one of claims 1-4;
the manufacturing method of the connecting component comprises the following steps:
providing a steel base, wherein a pore channel is formed on the steel base, and a first threaded part is machined on the steel base;
providing an aluminum adapter, wherein the aluminum adapter is formed with a connecting part and a pore channel, and a second thread part is machined on the aluminum adapter; one of the first thread part and the second thread part is an external thread part, and the other one is an internal thread part;
the steel base and the aluminum adapter are in threaded connection through the first threaded portion and the second threaded portion, welding flux is put into a portion to be welded between the steel base and the aluminum adapter, and furnace welding is conducted, wherein the furnace welding temperature is higher than 580 ℃.
10. A method of manufacturing the reservoir of claim 9, wherein: the manufacturing method also provides a device body, and the wall of the hole is processed on the device body;
at least part of the connecting part is arranged in the hole wall, and the preassembled components are welded in an argon arc welding or furnace welding mode, so that the aluminum adapter and the device body are welded and fixed;
the welding flux is aluminum welding flux, in the step of furnace welding the steel base and the aluminum adapter, the temperature of the welding flux for furnace welding the first joint part of the steel base and the second joint part of the aluminum adapter is higher than 580 ℃, and the melting temperature of the welding flux is higher than 580 ℃, so that the welding flux is melted between the steel base and the aluminum adapter to form an aluminum welding seam;
in the step after the aluminum adapter and the device body are welded and fixed, a cover component is installed, and the cover component and the first main body part are connected and limited through threads; a seal member is provided to press between the cover member and the first body portion to seal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010614015.2A CN113864558A (en) | 2020-06-30 | 2020-06-30 | Connecting assembly, liquid reservoir, manufacturing method of connecting assembly and manufacturing method of liquid reservoir |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010614015.2A CN113864558A (en) | 2020-06-30 | 2020-06-30 | Connecting assembly, liquid reservoir, manufacturing method of connecting assembly and manufacturing method of liquid reservoir |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113864558A true CN113864558A (en) | 2021-12-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010614015.2A Pending CN113864558A (en) | 2020-06-30 | 2020-06-30 | Connecting assembly, liquid reservoir, manufacturing method of connecting assembly and manufacturing method of liquid reservoir |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113864558A (en) |
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- 2020-06-30 CN CN202010614015.2A patent/CN113864558A/en active Pending
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