CN209354799U - A kind of pipe fitting joint structure, a kind of muffler, a kind of air-conditioning system and a kind of refrigeration system - Google Patents
A kind of pipe fitting joint structure, a kind of muffler, a kind of air-conditioning system and a kind of refrigeration system Download PDFInfo
- Publication number
- CN209354799U CN209354799U CN201821452738.1U CN201821452738U CN209354799U CN 209354799 U CN209354799 U CN 209354799U CN 201821452738 U CN201821452738 U CN 201821452738U CN 209354799 U CN209354799 U CN 209354799U
- Authority
- CN
- China
- Prior art keywords
- sleeve
- ontology
- barrel
- valgus
- wall thickness
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000004378 air conditioning Methods 0.000 title claims abstract description 13
- 238000005057 refrigeration Methods 0.000 title claims abstract description 13
- 241001227561 Valgus Species 0.000 claims abstract description 56
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 44
- 229910052802 copper Inorganic materials 0.000 claims abstract description 44
- 239000010949 copper Substances 0.000 claims abstract description 44
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 28
- 239000010935 stainless steel Substances 0.000 claims abstract description 28
- 239000000463 material Substances 0.000 claims abstract description 22
- 238000005452 bending Methods 0.000 claims abstract description 17
- 238000009987 spinning Methods 0.000 claims abstract description 12
- 238000000034 method Methods 0.000 claims abstract description 10
- 241000469816 Varus Species 0.000 claims description 25
- 238000003466 welding Methods 0.000 claims description 20
- 229910000679 solder Inorganic materials 0.000 claims description 16
- 230000004927 fusion Effects 0.000 claims description 13
- 230000015572 biosynthetic process Effects 0.000 claims description 5
- 230000004308 accommodation Effects 0.000 claims description 4
- 125000004122 cyclic group Chemical group 0.000 claims description 3
- 230000013011 mating Effects 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 12
- 238000010438 heat treatment Methods 0.000 description 4
- 238000003825 pressing Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000005219 brazing Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003584 silencer Effects 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Landscapes
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The utility model relates to a kind of pipe fitting joint structures, ontology (20) and sleeve (10) including welded fixed setting, ontology is made of stainless steel material, sleeve is made of copper material, the sleeve has valgus, the ontology (20) includes tubular portion (24), the tubular portion (24) is used to be cooperatively connected with the sleeve (10), the base tube, varying diameter portion, tubular portion is structure as a whole, the tubular portion processes to be formed through spinning necking, the barrel (11) and valgus are structure as a whole, the valgus is formed from the barrel (11) outward flanging or bending, the valgus (12) is located relatively at the outer body, the wall thickness (T) of the barrel of the sleeve (10) is more than or equal to the wall thickness (t0) or the sleeve (10 of the base tube of the ontology ) barrel wall thickness (T) be greater than the ontology the tubular portion wall thickness (t).The utility model further relates to a kind of muffler, a kind of air-conditioning system and a kind of refrigeration system.
Description
Technical field
The utility model belongs to refrigeration technology field.
Background technique
The product of refrigeration technology field includes air-conditioning, refrigerator, refrigerator-freezer etc., these general systems will use copper pipe as connection
Pipe connects two components, and in order to easy to connect with copper pipe, many components also all mutually should be copper material and be made.Such as liquid reservoir disappears
The basic element of character in sound device, four-way valve, solenoid valve, compressor etc. refrigeration system, connecting pipe generally also use copper pipe, but existing
It is likely to make the change on some material selections in these components, such as selects stainless steel material, it in systems may can
Use the connectivity problem between two kinds of unlike materials.
It is relatively poor if the processing capacity in rotary pressing processing since the machining property of stainless steel is relatively poor.
Utility model content
The utility model provides a kind of pipe fitting joint structure, and the interface end needs that can be adapted for some cooperations are relatively small
Occasion:
A kind of pipe fitting joint structure, including ontology and sleeve, the ontology and the welded fixed setting of sleeve, the ontology
It is made of stainless steel material, the sleeve is made of copper material, and the sleeve includes barrel and valgus, the barrel
It is in substantially hollow tubular, the ontology includes at least one connection port part, and the ontology includes at the port part position
Tubular portion, the tubular portion are used to be cooperatively connected with the sleeve, and the barrel is at least most of to be located in the tubular portion,
The ontology includes base tube, varying diameter portion, and the tubular portion processes to be formed through spinning necking, the varying diameter portion be located at the base tube with
Between the tubular portion, the base tube, varying diameter portion, tubular portion are structure as a whole, and the barrel and valgus are structure as a whole,
The valgus is formed from the barrel outward flanging or bending, and the valgus is located relatively at the outer body, described
The substantially ring-like structure of valgus, the wall thickness (T) of the barrel of the sleeve are more than or equal to the wall thickness of the base tube of the ontology
(t0)。
Alternatively, a kind of pipe fitting joint structure, including ontology and sleeve, the ontology and the welded fixed setting of sleeve, institute
It states ontology to be made of stainless steel material, the sleeve is made of copper material, and the sleeve includes barrel and valgus, described
Barrel is substantially in hollow tubular, and the ontology includes at least one connection port part, and the ontology is in the port part portion
Position includes tubular portion, and the tubular portion is used to be cooperatively connected with the sleeve, and the barrel is at least most of to be located at the pipe
In shape portion, the ontology includes base tube, varying diameter portion, and the tubular portion processes to be formed through spinning necking, and the varying diameter portion is located at institute
It states between base tube and the tubular portion, the base tube, varying diameter portion, tubular portion are structure as a whole, and the barrel and valgus are
Integral structure, the valgus are formed from the barrel outward flanging or bending, and the valgus is located relatively at the ontology
The wall thickness (T) in outside, the substantially ring-like structure of valgus, the barrel of the sleeve (10) is greater than the described of the ontology
The wall thickness (t) of tubular portion.
The outer diameter (d1) of the base tube is twice or more of the outer diameter (d2) of the tubular portion (24)；The sleeve (10)
The wall thickness (D) of valgus is more than or equal to the wall thickness (t0) of the base tube of the ontology.
The outer diameter (d1) of the base tube can be twice or more of the outer diameter (d2) of the tubular portion (24)；The sleeve
(10) wall thickness (D) of valgus is more than or equal to the wall thickness (t0) of the base tube of the ontology, and the ontology is in the port part portion
Position, is provided with stage portion in the inner wall part of the tubular portion cooperated with the barrel, the sleeve is relatively close described
End at stage portion has at a distance from axial direction between the stage portion, structure between the stage portion and the end of the sleeve
At the annulus for placing weld-ring, the annulus is used to place the weld-ring when ontology and the sleeve weld；
The barrel of the sleeve includes multiple protrusions, and the protrusion makes the outer wall of the barrel and the inner wall part of the ontology
Between form the structure of local gap, local interference；The protrusion includes a plurality of strip protrusion, the length of the strip protrusion
It is less than the inner wall part with the length (L) of inner wall part cooperation or the length of the strip protrusion less than the barrel
With two back gauge cooperation positions of the length (L) of the cooperation of the barrel, and the strip protrusion have it is certain it is axial away from
From.
The outer diameter (d1) of the base tube can be twice or more of the outer diameter (d2) of the tubular portion；The sleeve turns up
The wall thickness (D) in portion is more than or equal to the wall thickness (t0) of the base tube of the ontology；The ontology at the port part position, with it is described
The inner wall part of the tubular portion of barrel cooperation is provided with stage portion, end of the sleeve at the relatively close stage portion
Portion has at a distance from axial direction between the stage portion, constitutes between the stage portion and the end of the sleeve for placing weldering
The annulus of ring, the annulus are used to place the weld-ring when ontology and the sleeve weld；The cylinder of the sleeve
Body portion includes multiple protrusions, and the protrusion makes to form part between the outer wall of the barrel and the inner wall part of the ontology
Gap, local interference structure.
The sleeve can also include varus portion, and the varus portion is located at the relatively inner one end of the sleeve, the varus
Portion is formed via the barrel to in-flanges or bending, and the varus portion and the barrel form positioning step portion, described
Barrel, valgus, varus portion are structure as a whole；It also wraps end of the sleeve at the stage portion of the relatively close ontology
Guide part is included, the guide part has at a distance from axial direction between the stage portion, between the stage portion and the guide part
Described accommodation section is constituted, described accommodation section is used to place the weld-ring when ontology and the sleeve weld.
In addition a kind of muffler is also provided, the muffler includes that sleeve is processed with using stainless steel pipe through spinning mode
The ontology of formation, the ontology include the varying diameter portion and tubular portion of base tube, spinning formation, and the sleeve is formed by copper pipe processing,
The connection structure of the ontology and sleeve pipe fitting joint structure as described above.
In addition a kind of air-conditioning system is also provided, the air-conditioning system includes the first component, and the first component includes as above
The pipe fitting joint structure is stated, sleeve one end of the pipe fitting joint structure and the ontology are welded to connect, the air-conditioning system
System further includes the copper pipe with the sleeve connection, the sleeve and the welded connection of the copper pipe, the pipe fitting joint structure
The fusion temperature of solder used in sleeve and copper pipe welding is lower than the sleeve and the stainless steel welded solder used
Fusion temperature.
In addition a kind of refrigeration system, including the first component are also provided, the first component includes pipe fitting as described above
Connection structure, sleeve one end of the pipe fitting joint structure and the ontology are welded to connect, and the refrigeration system further includes and institute
State the copper pipe of sleeve connection, the sleeve and the welded connection of the copper pipe, the sleeve of the pipe fitting joint structure and the copper
Fusion temperature of the fusion temperature of pipe welding solder used lower than the sleeve and the stainless steel welded solder used.
Wall thickness of the technical program due to increasing sleeve, the interface end needs for being suitable for some cooperations are relatively small
Occasion, and the wall thickness of the sleeve of copper material increases, and also accordingly improves when pipe fitting joint structure is subsequent to be welded with copper pipe
Heating conduction.
Detailed description of the invention
Fig. 1: a kind of structural schematic diagram for pipe fitting joint structure that the utility model provides, specifically a kind of pipe fitting connection knot
Structure is used for the structural schematic diagram of muffler；
Fig. 2: the partial enlargement diagram at the position A of pipe fitting joint structure shown in FIG. 1；
Fig. 3: Fig. 1, the schematic diagram of a kind of embodiment of sleeve shown in Fig. 2；
Fig. 4: Fig. 1, the schematic diagram of the another embodiment of sleeve shown in Fig. 2；
A kind of Fig. 5: the structural schematic diagram of application state of pipe fitting joint structure；
Fig. 6: the schematic diagram of a state of the assembling process of pipe fitting joint structure.
Symbol description in figure:
10- sleeve；
11- barrel, 111- outside wall portions；
12- valgus；13,13 '-protrusion
14- guide part；15- varus portion；
20- ontology；
21- port part, 22- stage portion；211- annulus；212- weld-ring；The end 23-；24- tubular portion, 25- base tube,
26- varying diameter portion；
30- adapter tube.
Specific embodiment
Below in conjunction with specific embodiment, technical solution is illustrated.
The pipe fitting joint structure of the technical program can be used for muffler, liquid reservoir, separator and other using stainless steel
Occasion of the ontology and needs of matter for connecting with copper pipe, pipe fitting joint structure can be used for these products, can be therein one
End includes stainless steel and copper sheathing, can also be all made of with both ends.Below to the technology of pipe fitting joint structure by taking a kind of muffler as an example
Scheme is specifically described, and please join Fig. 1-Fig. 5, and Fig. 1 is a kind of structural schematic diagram (interior details are not shown) of muffler, Fig. 2
For the partial enlargement diagram at the position A shown in FIG. 1, Fig. 3 is the schematic diagram of an embodiment of the sleeve of structure shown in Fig. 2,
Fig. 4 is the schematic diagram of another embodiment of sleeve, and Fig. 5 is then that pipe fitting joint structure is illustrated in the partial structurtes of use state
Figure.
As shown, muffler includes ontology 20 and two sleeves 10, ontology 20 passes through spinning side using stainless steel pipe
Formula processes to be formed, and ontology includes base tube 25, varying diameter portion 26, tubular portion 24, and varying diameter portion 26 is located at the base tube 25 and the tubulose
Varying diameter portion 26 connects the base tube 25 and the tubular portion 24 in other words between portion 24, and base tube, varying diameter portion, tubular portion are integrated knot
Structure, the outer diameter (d1) of the base tube can be the outer of twice or more of the outer diameter (d2) of the tubular portion 24 or even the base tube
Diameter (d1) can be 2.5 times or more of the outer diameter (d2) of the tubular portion 24；Base tube, varying diameter portion, tubular portion three wall thickness can
Energy can be different because of rotary pressing processing.It is formed at the both ends of ontology 20 by spinning necking and is flowed into and fluid outflow for fluid
Connection port part 21, port part 21 are less than the base tube 25 of ontology 20, and ontology 20 can be arranged at the inner wall position of port part 21
Stage portion 22, ontology 20 is in the tubular portion 24 that 21 position of port part further includes for being cooperatively connected with sleeve 10, and ontology is in two sides
Port part at least within one end there is the tubular portion 24 that is cooperatively connected with sleeve 10.Here it should be noted that tubular portion 24 can
With a part for being port part 21, perhaps port part 21 can be a part or tubular portion 24 and port part of tubular portion 24
Both 21, which partially overlap or both, is not overlapped.
The sleeve for connection 10 made of copper tubing is including valgus 12 and substantially in the barrel 11 of hollow tubular, outside
The opposite exterior lateral sides that portion 12 is located at ontology 20 are turned over, barrel 11 and tubular portion 24 cooperate, and barrel 11 is located substantially on the pipe of ontology
In shape portion 24 in other words in at least most of tubular portion 24 positioned at ontology of barrel 11, the sleeve 10 of the present embodiment is further comprised
Varus portion 15, varus portion 15 be the relatively inner one end of sleeve 10 formed via barrel 11 to in-flanges or bending or through flange or
Bending is formed, and " flange or bending are formed " includes directly processing to be formed or through flange through the modes such as flange or bending in this specification
Or it is machined again after the processing such as bending form, varus portion 15 and barrel 11 form a positioning step portion, positioning step
The positioning that portion can be used for when being welded with after silencer and connecting copper pipe, valgus 12 are the relatively outer one end of sleeve 10 via cylinder
11 outward flanging of portion or bending are formed, equally include here outward flanging or bending and it is machined form, valgus 12 is big
It causes to be cyclic structure, is protruded and be arranged by barrel 11.Sleeve 10 further includes guide part 14, and the barrel 11 of the present embodiment is turned up
Portion 12, varus portion 15 are structure as a whole.Valgus 12 is formed from 11 outward flanging of barrel or bending, barrel 11 and valgus
It is structure as a whole, the ontology includes at least one connection port part 21, and the ontology 20 wraps at 21 position of port part
Tubular portion 24 is included, tubular portion 24 is used to be cooperatively connected with the sleeve 10, and the barrel 11 is at least most of to be located at the pipe
Even generally in tubular portion in shape portion 24, the substantially ring-like structure of valgus.Due to the machining property of stainless steel
Can be relatively poor, the processing capacity of rotary pressing processing is also relatively small, can when the interface end if necessary to cooperate with system is relatively small
To increase the wall thickness (T) of the barrel of sleeve 10, the wall thickness (T) of the barrel of sleeve 10 is such as made to be more than or equal to the base of the ontology
The wall thickness (t0) of pipe 25 opposite can reduce processing capacity when stainless steel spinning, when in addition can also improve subsequent welding in this way
Heating conduction.
Alternatively, it is also possible to make the sleeve 10 barrel wall thickness (T) be greater than the ontology the tubular portion wall
Thick (t), the wall thickness (t) of general tubular portion are greater than the wall thickness (t0) of the base tube 25 of ontology.And the wall of the barrel due to sleeve 10
Thickness increases, and correspondingly makes the wall thickness (D) of the valgus of sleeve 10 is opposite to increase, and such as makes the wall thickness (D) of the valgus of sleeve 10 big
It is more than or equal to the pipe of the ontology in the wall thickness (D) of the valgus of the wall thickness (t0) or sleeve 10 that are equal to the ontology
The wall thickness (t) in shape portion, in this way, the heating conduction due to copper will be much better than stainless steel, it is relatively large in valgus wall thickness
When, it when keeping muffler subsequent and the connection of system, can further improve heating conduction, be conducive to subsequent and system welding.
Specifically, the wall thickness (T) of barrel, which can be set, can be set in 0.5mm or more or valgus wall thickness (D) in 1mm or more,
Or can in 1.2mm or more, or even when necessary can 1.5mm or so even 2mm, even 2.5mm, specifically can be according to pipe
Diameter size and system need to be arranged；And the wall thickness (t0) of ontology is generally in 0.5mm, 1mm, 2mm, 0.8mm, 1.5mm, 1.2mm etc.
Deng.
Ontology is provided with step in the port position, in the inner wall part of the tubular portion cooperated with the barrel 11
Portion 22, end of the sleeve at the relatively close stage portion 22 have at a distance from axial direction between the stage portion, institute
The annulus 211 constituted between stage portion and the end of the sleeve for placing weld-ring is stated, the annulus can be used
Weld-ring when placing the ontology and the sleeve weld, annulus are slightly larger than weld-ring；The barrel of the sleeve may be used also
To include multiple protrusions, the protrusion makes to be formed between the outer wall of the barrel 11 and the inner wall part of the ontology local
Gap, local interference structure；The protrusion 13 can be a plurality of strip protrusion, and the length of strip protrusion is less than the cylinder
Portion 11 is less than the inner wall part and the cylinder with the length of the length (L) of the inner wall part cooperation strip protrusion in other words
The length (L) of the cooperation in body portion 11, and two back gauge cooperation positions of the strip protrusion have certain axial distance.In addition
Protrusion 13 ' can also be multiple protrusions or bump.
Since the setting of protrusion can make barrel when sleeve 10 is pressed into the connection port part 21 of ontology 20
The inner wall part of 11 outside wall portions and the 21 position tubular portion 24 of port part of ontology 20 forms local interference, the cooperation of local gap is closed
System, to keep the preliminary fixed form between sleeve 10 and ontology opposite stable, will not fall off, while can be straight in handling process
It connects to be put into furnace to be brazed and such as can not pass through soldering furnace such as continuous tunnel furnace with tooling by others are fixed, to reduce technique
Cost.The form locally abutted is shown as after local interference assembling between inner wall part and outside wall portions.The end of valgus 12 and ontology
Portion 23 can equally form the matching relationship of basic compression or local compaction, local gap.
An annulus 211 is formed between the stage portion 22 of ontology 20 and the varus portion 15 of sleeve 10, sleeve is in phase
Axially there is a certain distance, stage portion 22 and the sleeve to the end at stage portion 22 and between stage portion 22
The annulus for placing weld-ring is constituted between end, for welding weld-ring to be arranged, is such as passed through by welding in furnace in this way
The gap that weld-ring can be made to be filled between the outside wall portions 111 of barrel 11 and the inner wall part of ontology 20 through melting after continuous tunnel furnace
Portion can also equally be filled into the portion for having gap between valgus 12 and the end 23 of ontology to form fill solder portion
Position.Local interference, local gap, can make to assemble between the inner wall part of the tubular portion 24 of the outside wall portions and ontology 20 of barrel 11
Position between barrel 11 and tubular portion 24 afterwards radially, axially is relatively fixed reliable.Since protrusion is to make between the two
Local interference and make the structure that local interference, local gap are formed between two mating surfaces, therefore to protrusion in this specification
Structure, shape with no restriction, as long as achieving the goal.In addition the inner wall in the tubular portion of ontology also can be set in protrusion
Portion, can equally make in this way the inner wall part 240 of the outside wall portions 111 of barrel 11 and the 21 position tubular portion 24 of port part of ontology 20 it
Between form the matching relationship of local interference, local gap.
The sleeve further includes varus portion 15, and varus portion 15 is located at the relatively inner one end of the sleeve, the varus portion 15
It is formed via the barrel 111 to in-flanges or bending, the varus portion and the barrel form positioning step portion, described
Barrel, valgus, varus portion are structure as a whole；End of the sleeve at the stage portion 22 of the relatively close ontology further includes
Guide part 14 axially has a certain distance, the stage portion and the guide part between the guide part and the stage portion
Between constitute the annulus for accommodating weld-ring, for placing the ontology and when sleeve weld weld-ring used.It leads
It is more easily assembled to being provided with for portion conducive to sleeve and ontology, in addition in assembling, weld-ring can be placed in the end of ontology
Mouth position, and when being pressed by sleeve, is pressed into annulus with weld-ring using guide part together, such weld-ring it is opposite close to
Guide part 14, in this way, what the solder of weld-ring fusing was more advantageous to is conducive to fill out together when can make ontology and sleeve weld
The gap site being charged between the outside wall portions of barrel 11 and the inner wall part of ontology 20.
It is illustrated by taking a kind of muffler as an example above, in addition technical solution above is equally applicable to liquid reservoir or divides
From other products such as device, no longer repeat here.
This pipe fitting joint structure can be used for air-conditioning system, and the air-conditioning system includes the first component, and the first component includes
Pipe fitting joint structure as described above, the i.e. first component include the ontology of stainless steel material as described above and the set of copper material
Cylinder, with ontology by being welded to connect in furnace, the air-conditioning system further includes the copper pipe 30 with the sleeve connection, is asked for sleeve one end
Join Fig. 5, sleeve 10 and the welded connection of copper pipe 30, such as gas brazing, the sleeve 10 and the copper pipe of pipe fitting joint structure weld
The fusion temperature of the fusion temperature of the solder used solder used lower than the welding of the ontology of the sleeve and the stainless steel.By
In the thermally conductive relatively poor of stainless steel, and copper material is thermally conductive preferable, after the wall thickness increase of the valgus of sleeve, can improve set
The heat-conducting effect that cylinder 10 is welded with copper pipe 30 improves welding efficiency and welding quality.
Similarly, pipe fitting joint structure can be used for refrigeration system, and refrigeration system includes the first component, and the first component includes such as
The pipe fitting joint structure in other words the first component include stainless steel material as described above ontology and copper material
The connection type of sleeve, the sleeve of the ontology and copper material of stainless steel material please join embodiment above, pipe fitting joint structure
Sleeve one end and ontology welding be welded to connect by such as continuous tunnel furnace of welding in furnace, refrigeration system further includes and the sleeve
The copper pipe of connection, the sleeve and the copper pipe are welded such as gas brazing welded connecting, the sleeve of the pipe fitting joint structure
The fusion temperature of solder used is molten lower than the sleeve and the stainless steel welded solder used with copper pipe welding
Change temperature.
Specifically, the fusion temperature of the sleeve of pipe fitting joint structure and the used solder of copper pipe welding for example substantially can be with
At 850 DEG C ± 50 DEG C or so, lower than the fusion temperature of the sleeve and the stainless steel welded solder used, 1000 DEG C or so
Or 1030 DEG C or so, welding temperature subsequent in this way is lower than original welding temperature, will not generate shadow to original welding position
It rings, i.e., conveniently realizes the connection between stainless steel and copper pipe, keep selection of the system on components more convenient.
Second of embodiment of pipe fitting joint structure is described below, Fig. 6 please be join, this be second of pipe fitting joint structure not
The structural schematic diagram of part of the ontology and copper sleeve of rust steel after assembling, before welding.Pipe fitting joint structure includes ontology
20a and sleeve 10, ontology 20a use the processed formation of stainless steel pipe, and the difference of ontology 20a and embodiment above is this
Body does not pass through rotary pressing processing, and ontology is not provided with stage portion at the inner wall position of port part, when weld-ring 212 is pressed by sleeve
Guide part be oriented to indentation, outer diameter when 212 free state of weld-ring is greater than the internal diameter of the inner wall part of ontology, when assembling, by weld-ring
212 are first put into ontology port part, and the two is elastically engaged, and are reloaded into sleeve, when being pressed into sleeve, press sleeve together with weld-ring
Enter and assembles.Similarly, the wall thickness D of valgus 12 is greater than the wall thickness t of ontology 20a, other are referred to above example.
The above is only preferably to illustrate embodiment that relevant technical solution is enumerated, it is noted that above real
It applies example to be merely to illustrate the technical solution of the utility model and not limit, those skilled in the art is come
It says, under the premise of not departing from technical principle, several improvements and modifications can also be made, can be such as combined with each other, be modified
Or equivalent replacement, and the technical solution and its improvement of all spirit and scope for not departing from this programme, all these improvement and
Retouching also should be regarded as the protection scope of the utility model.
Claims (17)
1. a kind of pipe fitting joint structure, including ontology (20) and sleeve (10), the ontology (20) and sleeve (10) are welded solid
Fixed setting, the ontology are made of stainless steel material, and the sleeve is made of copper material, and the sleeve (10) includes barrel
(11) and valgus (12), the barrel (11) are in substantially hollow tubular, and the ontology includes at least one connection port
Portion (21), the ontology (20) include tubular portion (24) at the port part (21) position, and the tubular portion (24) is used for and institute
Sleeve (10) mating connection is stated, the barrel (11) is at least most of to be located in the tubular portion (24), which is characterized in that institute
Stating ontology includes base tube, varying diameter portion, and the tubular portion processes to be formed through spinning necking, and the varying diameter portion (26) is located at the base tube
(25) between the tubular portion, the base tube, varying diameter portion, tubular portion are structure as a whole, the barrel (11) and valgus
It is structure as a whole, the valgus is formed from the barrel (11) outward flanging or bending, and the valgus (12) is with respect to position
It is more than or equal in the wall thickness (T) of the outer body, the substantially ring-like structure of valgus, the barrel of the sleeve (10)
The wall thickness (t0) of the base tube of the ontology.
2. pipe fitting joint structure as described in claim 1, which is characterized in that the outer diameter (d1) of the base tube is the tubular portion
(24) twice or more of outer diameter (d2)；The wall thickness (D) of the valgus of the sleeve (10) is more than or equal to the base tube of the ontology
Wall thickness (t0).
3. pipe fitting joint structure as described in claim 1, which is characterized in that the outer diameter (d1) of the base tube is the tubular portion
(24) twice or more of outer diameter (d2)；The wall thickness (D) of the valgus of the sleeve (10) is more than or equal to the base tube of the ontology
Wall thickness (t0), the ontology is at the port part position, in the inner wall of the tubular portion cooperated with the barrel (11)
Portion is provided with stage portion (22), and the sleeve has axis between the end and the stage portion at the relatively close stage portion
To distance, constitute the annulus for placing weld-ring between the stage portion and the end of the sleeve, it is described cyclic annular empty
Between weld-ring for placing the ontology and when the sleeve weld；The barrel of the sleeve includes multiple protrusions, described
Protrusion makes the knot that local gap, local interference are formed between the outer wall of the barrel (11) and the inner wall part of the ontology
Structure；The protrusion includes a plurality of strip protrusion, the length of the strip protrusion be less than the barrel (11) with it is described interior
The length (L) of wall portion cooperation or the length of the strip protrusion are less than the cooperation of the inner wall part and the barrel (11)
Length (L), and two back gauge cooperation positions of the strip protrusion have certain axial distance.
4. pipe fitting joint structure as described in claim 1, which is characterized in that the outer diameter (d1) of the base tube is the tubular portion
(24) twice or more of outer diameter (d2)；The wall thickness (D) of the valgus of the sleeve (10) is more than or equal to the base tube of the ontology
Wall thickness (t0)；The ontology is at the port part position, in the inner wall of the tubular portion cooperated with the barrel (11)
Portion is provided with stage portion (22), and the sleeve has axis between the end and the stage portion at the relatively close stage portion
To distance, constitute the annulus for placing weld-ring between the stage portion and the end of the sleeve, it is described cyclic annular empty
Between weld-ring for placing the ontology and when the sleeve weld；The barrel of the sleeve includes multiple protrusions, described
Protrusion makes the knot that local gap, local interference are formed between the outer wall of the barrel (11) and the inner wall part of the ontology
Structure.
5. pipe fitting joint structure as described in claim 3 or 4, which is characterized in that the sleeve further includes varus portion, described interior
It turns over portion and is located at the relatively inner one end of the sleeve, the varus portion is formed via the barrel to in-flanges or bending, described
Varus portion and the barrel form positioning step portion, and the barrel, valgus, varus portion are structure as a whole；The sleeve
End at the stage portion of the relatively close ontology further includes guide part, is had between the guide part and the stage portion
Axial distance, constitutes receiving portion between the stage portion and the guide part, described accommodation section for place the ontology with
The weld-ring when sleeve weld.
6. such as pipe fitting joint structure of any of claims 1-4, which is characterized in that the wall thickness (D) of the valgus
Wall thickness between 0.5-2mm, the outer diameter (d1) of the base tube is 2.5 times or more of the outer diameter (d2) of the tubular portion (24).
7. pipe fitting joint structure as claimed in claim 5, which is characterized in that the wall thickness of the wall thickness (D) of the valgus exists
Between 0.5-2mm, the outer diameter (d1) of the base tube is 2.5 times or more of the outer diameter (d2) of the tubular portion (24).
8. a kind of pipe fitting joint structure, including ontology (20) and sleeve (10), the ontology (20) and sleeve (10) are welded solid
Fixed setting, the ontology are made of stainless steel material, and the sleeve is made of copper material, and the sleeve (10) includes barrel
(11) and valgus (12), the barrel (11) are in substantially hollow tubular, and the ontology includes at least one connection port
Portion (21), the ontology (20) include tubular portion (24) at the port part (21) position, and the tubular portion (24) is used for and institute
Sleeve (10) mating connection is stated, the barrel (11) is at least most of to be located in the tubular portion (24), which is characterized in that institute
Stating ontology includes base tube, varying diameter portion, and the tubular portion processes to be formed through spinning necking, and the varying diameter portion (26) is located at the base tube
(25) between the tubular portion, the base tube, varying diameter portion, tubular portion are structure as a whole, the barrel (11) and valgus
It is structure as a whole, the valgus is formed from the barrel (11) outward flanging or bending, and the valgus (12) is with respect to position
In the outer body, the substantially ring-like structure of valgus, the wall thickness (T) of the barrel of the sleeve (10) is greater than described
The wall thickness (t) of the tubular portion of ontology.
9. pipe fitting joint structure as claimed in claim 8, which is characterized in that the outer diameter (d1) of the base tube is the tubular portion
(24) twice or more of outer diameter (d2)；The wall thickness (D) of the valgus of the sleeve (10) is more than or equal to the base tube of the ontology
Wall thickness (t0).
10. pipe fitting joint structure as claimed in claim 8, which is characterized in that the outer diameter (d1) of the base tube is the tubulose
Twice or more of the outer diameter (d2) in portion (24)；The wall thickness (D) of the valgus of the sleeve (10) is more than or equal to the base of the ontology
The wall thickness (t0) of pipe, the ontology is at the port part position, in the interior of the tubular portion cooperated with the barrel (11)
Wall portion is provided with stage portion (22), and the sleeve has between the end and the stage portion at the relatively close stage portion
Axial distance, constitutes the annulus for placing weld-ring, the ring-type between the stage portion and the end of the sleeve
Space is used to place the weld-ring when ontology and the sleeve weld；The barrel of the sleeve includes multiple protrusions, institute
Stating protrusion makes the knot that local gap, local interference are formed between the outer wall of the barrel (11) and the inner wall part of the ontology
Structure；The protrusion includes a plurality of strip protrusion, the length of the strip protrusion be less than the barrel (11) with it is described interior
The length (L) of wall portion cooperation or the length of the strip protrusion are less than the cooperation of the inner wall part and the barrel (11)
Length (L), and two back gauge cooperation positions of the strip protrusion have certain axial distance.
11. pipe fitting joint structure as claimed in claim 8, which is characterized in that the outer diameter (d1) of the base tube is the tubulose
Twice or more of the outer diameter (d2) in portion (24)；The wall thickness (D) of the valgus of the sleeve (10) is more than or equal to the base of the ontology
The wall thickness (t0) of pipe；The ontology is at the port part position, in the interior of the tubular portion cooperated with the barrel (11)
Wall portion is provided with stage portion (22), and the sleeve has between the end and the stage portion at the relatively close stage portion
Axial distance, constitutes the annulus for placing weld-ring, the ring-type between the stage portion and the end of the sleeve
Space is used to place the weld-ring when ontology and the sleeve weld；The barrel of the sleeve includes multiple protrusions, institute
Stating protrusion makes the knot that local gap, local interference are formed between the outer wall of the barrel (11) and the inner wall part of the ontology
Structure.
12. pipe fitting joint structure as described in claim 10 or 11, which is characterized in that the sleeve further includes varus portion, institute
It stating varus portion and is located at the relatively inner one end of the sleeve, the varus portion is formed via the barrel to in-flanges or bending,
The varus portion and the barrel form positioning step portion, and the barrel, valgus, varus portion are structure as a whole；It is described
End of the sleeve at the stage portion of the relatively close ontology further includes guide part, between the guide part and the stage portion
With axial distance, receiving portion is constituted between the stage portion and the guide part, described accommodation section is for placing described
Weld-ring when body and the sleeve weld.
13. the pipe fitting joint structure as described in any in claim 8-11, which is characterized in that the wall thickness (D) of the valgus
Wall thickness between 0.5-2mm, the outer diameter (d1) of the base tube is 2.5 times or more of the outer diameter (d2) of the tubular portion (24).
14. pipe fitting joint structure as claimed in claim 12, which is characterized in that the wall thickness of the wall thickness (D) of the valgus exists
Between 0.5-2mm, the outer diameter (d1) of the base tube is 2.5 times or more of the outer diameter (d2) of the tubular portion (24).
15. a kind of muffler, which is characterized in that the muffler includes that sleeve is processed with using stainless steel pipe through spinning mode
The ontology of formation, the ontology include the varying diameter portion and tubular portion of base tube, spinning formation, and the sleeve is formed by copper pipe processing,
Any pipe fitting joint structure of the connection structure of the ontology and sleeve such as the claims 1-6.
16. a kind of air-conditioning system, which is characterized in that the air-conditioning system includes the first component, and the first component includes as weighed
Benefit requires any pipe fitting joint structure of 1-14, and sleeve one end of the pipe fitting joint structure and ontology welding connect
It connects, the air-conditioning system further includes the copper pipe with the sleeve connection, the sleeve and the welded connection of the copper pipe, the pipe
The fusion temperature of solder used in the sleeve of part connection structure and copper pipe welding is welded lower than the sleeve and the stainless steel
Connect the fusion temperature of solder used.
17. a kind of refrigeration system, which is characterized in that including the first component, the first component includes appointing in claim 1-14
Pipe fitting joint structure described in one, sleeve one end of the pipe fitting joint structure and the ontology are welded to connect, the refrigeration system
System further includes the copper pipe with the sleeve connection, the sleeve and the welded connection of the copper pipe, the pipe fitting joint structure
The fusion temperature of solder used in sleeve and copper pipe welding is lower than the sleeve and the stainless steel welded solder used
Fusion temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821452738.1U CN209354799U (en) | 2018-09-05 | 2018-09-05 | A kind of pipe fitting joint structure, a kind of muffler, a kind of air-conditioning system and a kind of refrigeration system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821452738.1U CN209354799U (en) | 2018-09-05 | 2018-09-05 | A kind of pipe fitting joint structure, a kind of muffler, a kind of air-conditioning system and a kind of refrigeration system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209354799U true CN209354799U (en) | 2019-09-06 |
Family
ID=67778398
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821452738.1U Active CN209354799U (en) | 2018-09-05 | 2018-09-05 | A kind of pipe fitting joint structure, a kind of muffler, a kind of air-conditioning system and a kind of refrigeration system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209354799U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113007413A (en) * | 2019-12-18 | 2021-06-22 | 新昌县四通机电有限公司 | Valve body component, fluid control valve and manufacturing method |
| WO2022062527A1 (en) * | 2020-09-27 | 2022-03-31 | 浙江盾安人工环境股份有限公司 | Air conditioner muffler |
| CN114321543A (en) * | 2021-12-31 | 2022-04-12 | 广东美的环境科技有限公司 | Pipe assembly and temperature control equipment |
-
2018
- 2018-09-05 CN CN201821452738.1U patent/CN209354799U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113007413A (en) * | 2019-12-18 | 2021-06-22 | 新昌县四通机电有限公司 | Valve body component, fluid control valve and manufacturing method |
| WO2022062527A1 (en) * | 2020-09-27 | 2022-03-31 | 浙江盾安人工环境股份有限公司 | Air conditioner muffler |
| CN114321543A (en) * | 2021-12-31 | 2022-04-12 | 广东美的环境科技有限公司 | Pipe assembly and temperature control equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107314168B (en) | Pipe fitting connecting structure and stainless steel pipe fitting connecting structure | |
| CN209354799U (en) | A kind of pipe fitting joint structure, a kind of muffler, a kind of air-conditioning system and a kind of refrigeration system | |
| WO2015158041A1 (en) | Liquid accumulator for compressor | |
| CN101468431A (en) | A Composite Welding Scheme Between Dissimilar Materials | |
| KR102766564B1 (en) | Pipe Absence Connection Structure | |
| CN102962633A (en) | Assembling technology of liquid storage device and compressor | |
| CN211039983U (en) | Pipe fitting connection structure and muffler | |
| CN105436686B (en) | A kind of preparation method of fluid reservoir | |
| CN208331485U (en) | Pipe fitting joint structure, muffler, air-conditioning system and refrigeration system | |
| CN111594637B (en) | Four-way reversing valve | |
| US20140202172A1 (en) | Cold Finger For Cryocoolers | |
| CN111594669A (en) | Pipe fitting connecting structure | |
| CN208442416U (en) | Pipe fitting joint structure, muffler, air-conditioning system and refrigeration system | |
| CN103032294A (en) | Compressor air suction pipe and manufacturing method and application of compressor air suction pipe | |
| CN104259645A (en) | Welding process for titanium tube and tube plate | |
| CN217844366U (en) | Compressor liquid storage device | |
| CN203663822U (en) | Acrylate esterification reactor with titaniumtim and stainless steel combined structure | |
| CN211039984U (en) | Pipe fitting connection structure and muffler | |
| CN210266379U (en) | Pipe fitting connection structure, silencer, air conditioning system and refrigerating system | |
| CN208442415U (en) | Pipe fitting joint structure, muffler, air-conditioning system and refrigeration system | |
| CN204159779U (en) | A kind of Hydraulic expansion-jointing frock | |
| CN110385561A (en) | The manufacturing process of tube assembly and the tube assembly | |
| CN210188770U (en) | Steel bushing for exhaust pipe of refrigeration equipment | |
| CN203114579U (en) | Compressor exhaust pipe | |
| CN103452855B (en) | Rotary compressor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |