CN102114589B - Manufacturing method and product of lead-free copper water outlet pipe - Google Patents
Manufacturing method and product of lead-free copper water outlet pipe Download PDFInfo
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- CN102114589B CN102114589B CN200910238999A CN200910238999A CN102114589B CN 102114589 B CN102114589 B CN 102114589B CN 200910238999 A CN200910238999 A CN 200910238999A CN 200910238999 A CN200910238999 A CN 200910238999A CN 102114589 B CN102114589 B CN 102114589B
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 45
- PTVDYARBVCBHSL-UHFFFAOYSA-N copper;hydrate Chemical compound O.[Cu] PTVDYARBVCBHSL-UHFFFAOYSA-N 0.000 title abstract 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 237
- 229910052802 copper Inorganic materials 0.000 claims abstract description 155
- 239000010949 copper Substances 0.000 claims abstract description 155
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 154
- 238000003466 welding Methods 0.000 claims abstract description 30
- 238000013459 approach Methods 0.000 claims description 30
- 230000002687 intercalation Effects 0.000 claims description 22
- 238000009830 intercalation Methods 0.000 claims description 22
- 238000000034 method Methods 0.000 claims description 10
- 238000005516 engineering process Methods 0.000 claims description 9
- 238000004381 surface treatment Methods 0.000 claims description 8
- 238000000465 moulding Methods 0.000 claims description 5
- 238000012545 processing Methods 0.000 claims description 5
- 238000007493 shaping process Methods 0.000 claims description 5
- 239000002253 acid Substances 0.000 claims description 3
- 238000005554 pickling Methods 0.000 claims description 3
- 150000001879 copper Chemical class 0.000 claims 1
- 238000011109 contamination Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000002950 deficient Effects 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- 238000005266 casting Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000008595 infiltration Effects 0.000 description 2
- 238000001764 infiltration Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- GNFTZDOKVXKIBK-UHFFFAOYSA-N 3-(2-methoxyethoxy)benzohydrazide Chemical compound COCCOC1=CC=CC(C(=O)NN)=C1 GNFTZDOKVXKIBK-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000001223 reverse osmosis Methods 0.000 description 1
- 238000003911 water pollution Methods 0.000 description 1
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Abstract
The invention discloses a manufacturing method and a product of a lead-free copper water outlet pipe, can solve various problems in the conventional manufacturing method and the product of a lifting hole-containing water outlet pipe, and particularly provides a manufacturing method of performing a lead-free copper pipe and loading the preformed lead-free copper pipe into a bulged copper outer tube to serve as an inside water outlet channel. The scheme of the preferable manufacturing method is that: a lead-free copper pipe and a preformed water inlet end joint are welded with each other, and are loaded into a hydraulically bulged copper outer pipe on which a lifting rod-containing inlet hole is preformed; and the opposite ends of the water inlet end joint and the copper outer pipe are welded, and a water outlet end joint is welded on the opposite ends of the copper outer pipe and the lead-free copper pipe in turn so as to complete manufacturing a lead-free copper water outlet pipe product. The manufacturing method is easy and low in welding difficulty. Meanwhile, product yield and production efficiency can be dramatically improved and safe water quality can be ensured. The lead pollution is avoided.
Description
Technical field
The present invention relates to a kind of water outlet member, specifically, be meant a kind of can being installed on the faucet body, and be applicable to unleaded copper outlet pipe manufacturing approach of lifting rod and products thereof.
Background technology
Existing single-grip or the double handle watertap discharging tube that contains lifting rod all includes a copper outer tube, and its production method roughly is divided into two kinds; First kind is adopted common forging type, but its product surface is easy to generate defective, and manufacturing approach is numerous and diverse; Fraction defective is high; And cause environmental pollution easily, so more and more dealer adopts second kind hydraulic expanding-forming technology to make, in order to address the above problem.
When utilizing the above-mentioned hydraulic expanding-forming outer tube 11 that is the curved arc shape to produce water pipe 10; As shown in Figure 1; It need weld a dividing plate 12 again near water intake end inside, makes the inner side of water intake end be able to isolate a space 13 in addition, and is drilled with a hole 14 at this outer tube 11 with respect to the position, top in this space 13 and is communicated with these spaces 13; Make this hole 14 and space 13 be able to common formation one and lift hole 15; And can supply a lifting rod to pass through thus, at last again respectively at outer tube 11 water intake ends and place, water side welding one joint 16,17, can accomplish this outlet pipe 10.
The above-mentioned outlet pipe 10 that utilizes hydraulic expanding-forming outer tube 11 to form, though can form in inside and exhalant canals 18 that lift hole 15 mutual isolation, owing to adopt inclined-plane welding bearing to manage between these dividing plate 12 tops and outer tube 10 opposed inner walls faces; So welding is difficult for, and pad is many, causes infiltration because of failure welding easily; Cause the product fraction defective high, the high heat of welding process generation simultaneously also makes outer tube produce distortion easily; The particularly general wall thickness of hydraulic expanding-forming outer tube before bulging is about 1.5mm, and the wall thickness behind the bulging has only 0.7～1.5mm, such thin-walled; Really welded high heat easily and produce distortion, simultaneously, face of weld also can cause not attractive in appearance.Go out for exhalant canal 18 inwalls and the weld of avoiding above-mentioned copper outer tube 11 in use produces scorification in addition, cause water pollution, also will wash plumbous the processing usually, also can improve the man-hour and the cost of making.So existing single-grip or double handle water discharge of water faucet tubular construction and manufacturing approach about containing lifting rod all has its many shortcoming to wait to solve and overcome.
Summary of the invention
Main purpose of the present invention is a kind of unleaded copper outlet pipe manufacturing approach and products thereof is provided, and not only manufacturing approach is simple, and has reduced the welding difficulty, product yield and production efficiency is significantly promoted, and can guarantee water quality safety, and do not have the doubt of lead contamination.
For reaching above-mentioned purpose, the present invention provides a kind of unleaded copper outlet pipe manufacturing approach, comprises following method step:
A, mold a copper outer tube with the hydraulic expanding-forming technology in advance, make said outer tube two ends be formed with a water intake end and a water side respectively;
B, said outer tube near the outside wall surface at water intake end place on processing run through a lifting rod and get into the hole;
C, mold a water intake end joint and a water side joint in advance; Be formed with an entry interface and the lifting rod hole that stretches through on the said water intake end joint, be formed with a water outlet interface on the joint of said water side;
D, moulding in advance make the inner exhalant canal that forms of said copper pipe as the unleaded copper pipe that exhalant canal uses, and two ends are formed with a water intake end and a water side respectively;
E, with the mutual intercalation welding of the entry interface of the water intake end of above-mentioned copper pipe and said water intake end joint, or the water side of above-mentioned copper pipe welded with the mutual intercalation of the water outlet interface of this water side joint;
F, that the copper pipe that an above-mentioned end has been soldered penetrates said outer tube is inner, and afterwards, water intake end joint on the end that said copper pipe has been soldered or water side joint and relative outer tube water intake end opening or water side opening are welded to each other;
G, the above-mentioned water intake end joint that is not soldered as yet or water side joint and above-mentioned relative outer tube water intake end opening or water side opening are welded to each other, or with the water outlet interface and the mutual intercalation welding of above-mentioned relative copper pipe water intake end or water side of the entry interface or the water side joint of the above-mentioned water intake end joint that is not soldered as yet;
H, carry out the surface treatment of outer tube and welding position, can accomplish above-mentioned unleaded copper outlet pipe product.
The surface treatment of said unleaded copper outlet pipe manufacturing approach comprises that in regular turn one removes the acid pickling step and a surface finish step of greasy dirt.
Before copper pipe two ends in the said unleaded copper outlet pipe manufacturing approach were not soldered as yet, the preferential selection was welded to each other the entry interface of its water intake end and said water intake end joint.
Water side joint in the said unleaded copper outlet pipe manufacturing approach is not before being soldered as yet, and preferential the selection is welded to each other itself and relative outer tube water side opening.
Unleaded copper pipe in the said unleaded copper outlet pipe manufacturing approach is a copper tube.
Go into water swivel and water side joint all respectively by unleaded copper rod machine-shaping in the said unleaded copper outlet pipe manufacturing approach.
The present invention provides a kind of unleaded copper outlet pipe in addition, comprising:
One copper outer tube; With the one-body molded curved arc shape that is of hydraulic expanding-forming technology; Its inside has a chamber passage, and these chamber passage two ends are formed with a water intake end opening and a water side opening respectively, and said copper outer tube wall above relative this water intake end opening part is provided with a lifting rod and gets into the hole;
One water intake end joint has an entry interface and the lifting rod hole that stretches through on it; Said water intake end joint can weld together with the water intake end opening of above-mentioned copper outer tube is mutually nested, and said lifting rod is stretched through, and to get into the hole relative for the lifting rod of above-mentioned copper outer tube of Kong Yuqi top;
One water side joint has a water outlet interface on it; Said water side joint can weld together with the water side opening of above-mentioned copper outer tube is mutually nested;
Copper pipe is used in one water outlet, is processed by unleaded copper pipe to be the curved arc shape, makes the inner exhalant canal that forms of said copper pipe, and two ends are formed with a water intake end and a water side respectively; Said water intake end can weld together with the mutual intercalation of entry interface of above-mentioned water intake end joint, and said water side then welds together with the mutual intercalation of water outlet interface of above-mentioned water side joint.
The water intake end joint bottom of said unleaded copper outlet pipe is concaved with the hole slot that is spirally connected; These bolt apertures bottom land wall central authorities have provided a hole; Can be in order to define above-mentioned entry interface; After the mutual intercalation welding of the water intake end of above-mentioned copper pipe and said entry interface, its bottom edge flushes with the diapire face of this hole slot that is spirally connected each other.
The joint bottom, water side of said unleaded copper outlet pipe is concaved with the hole slot that is spirally connected; The diapire central authorities of this hole slot that is spirally connected have provided a hole; Can be in order to define above-mentioned water outlet interface; After the mutual intercalation welding of the water side of above-mentioned copper pipe and said water outlet interface, its bottom edge flushes with the diapire face of the said hole slot that is spirally connected each other.
The water intake end joint and the water side joint of said unleaded copper outlet pipe all adopt unleaded copper product.
The copper outlet pipe manufacturing approach that the present invention is unleaded, owing to adopt the copper outer tube of hydraulic expanding-forming fabrication techniques, thus compared to the convention casting method, have the light characteristic of amount of fine quality, and stock utilization is high, and processing procedure is pollution-free.Secondly, also need not adopt the dividing plate welding of convention, so can reduce the welding difficulty significantly, make manufacturing approach more simple, the yield of product and production efficiency also can be promoted significantly.
Unleaded and the copper outlet pipe product that the present invention adopts above-mentioned manufacturing approach to accomplish; Because the copper pipe that the unleaded copper product of employing is processed is as exhalant canal; And the water intake end joint and the water side joint that are fixed in the copper pipe two ends are made by unleaded copper product equally; So can guarantee the safety of water quality, and not have the doubt of lead contamination.Above-mentioned inside body as exhalant canal adopts copper pipe to see through and welds and fixes in water intake end joint and water side joint, can guarantee the structural strength of junction, makes it be able to be applicable to higher water flow pressure.
Description of drawings
Fig. 1 is the side cutaway view of convention outlet pipe;
Fig. 2 is the block flow diagram of the unleaded copper outlet pipe manufacturing approach of the present invention;
Fig. 3 is the three-dimensional exploded view of the unleaded copper outlet pipe of the present invention;
Fig. 4 is the Assembly Action sketch map of the entry interface of water intake end joint of the present invention and unleaded copper pipe water intake end;
The Assembly Action sketch map that Fig. 5 penetrates from copper outer tube water intake end for the unleaded copper pipe of the present invention;
Fig. 6 is the Assembly Action sketch map of joint copper relatively outer tube water side, water side of the present invention and unleaded copper pipe water side;
Fig. 7 is the outward appearance constitutional diagram of the unleaded copper outlet pipe of the present invention;
Fig. 8 is the side cutaway view of the unleaded copper outlet pipe of the present invention.
10 outlet pipes
11 outer tubes, 12 dividing plates
13 spaces, 14 holes
15 lift hole 16 joints
17 joints, 18 exhalant canals
20 copper outer tubes
21 chamber passage, 22 water intake ends
221 openings, 23 water sides
231 openings, 24 lifting rods get into the hole
30 water end (W.E.) joints
31 entry interfaces 311 hole slot that is spirally connected
The 32 lifting rods hole that stretches through
40 water side joints
41 water outlet interfaces 411 hole slot that is spirally connected
50 copper pipes
51 exhalant canals, 52 water intake ends
53 water sides
60 outlet pipes
The specific embodiment
In order to make the object of the invention, technical scheme and advantage clearer,, the present invention is further elaborated below in conjunction with accompanying drawing and embodiment.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
Like Fig. 2,3, the present invention provides a kind of preferred embodiment of unleaded copper outlet pipe manufacturing approach, mainly comprises following method step:
The hydraulic expanding-forming moulding of a, a copper outer tube 20: promptly mold a copper outer tube 20 with the hydraulic expanding-forming technology in advance; Make said outer tube 20 inside be formed with a chamber passage 21; And two ends are formed with a water intake end 22 and a water side 23 respectively, respectively define an opening 221,231 on said water intake end 22 and the water side 23.
B, a lifting rod get into the machine-shaping in hole 24: promptly said outer tube 20 near the outside wall surface at water intake end 22 places on processing run through a lifting rod and get into hole 24.
The machine-shaping of c, a water intake end joint 30 and a water side joint 40: promptly utilize the machining moulding to go out a water intake end joint 30 and a water side joint 40 with unleaded copper rod respectively in advance; Be formed with an entry interface 31 and the lifting rod hole 32 that stretches through on the wherein said water intake end joint 30, and said entry interface 31 bottoms are communicated with the hole slot 311 that is spirally connected; Be formed with a water outlet interface 41 on the said water side joint 40, and these water outlet interface 41 bottoms are communicated with the hole slot 411 that is spirally connected.
The machine-shaping of d, a unleaded copper pipe 50: promptly utilize the machining moulding to go out the unleaded copper pipe 50 that one section predetermined length is the curved arc shape in advance; Make its interior bone be able to define an exhalant canal 51; Use for water outlet, and two ends are formed with a water intake end 52 and a water side 53 respectively; The unleaded copper pipe 50 of present embodiment adopts copper tube.
E, be welded to each other copper pipe 50 and water intake end joint 30 fixing: be welded to one another after the water intake end 52 that is about to above-mentioned copper pipe 50 and the entry interface 31 mutual intercalations of said water intake end joint 30 and be fixed together, as shown in Figure 4.
F, be welded to each other water intake end joint 30 and copper outer tube 20 fixing: the water side 53 that is about to above-mentioned copper pipe 50 penetrates in the internal chamber passage 21 from the water intake end 22 of said copper outer tube 20; As shown in Figure 5, be welded to one another after again that said water intake end joint 30 and said copper outer tube 20 is relative water intake end 22 openings 221 are mutually nested and be fixed together.
G, be welded to each other fixing with copper outer tube 20 water side joint 40: be about to water side 23 openings 231 of said water side joint 40 and said copper outer tube 20 and be welded to one another after mutually nested and be fixed together, as shown in Figure 6.
H, be welded to each other fixing with water side joint 40 copper pipe 50: be weldingly fixed on each other after the water side 53 that is about to said copper pipe 50 and the water outlet interface 41 mutual intercalations of said water side joint 40.
I, surface treatment: be about to said outer tube 20 and carry out surface treatment with each welding position; The surface treatment of present embodiment comprises that one removes the acid pickling step and a surface finish step of greasy dirt; After above-mentioned surface treatment finishes, can accomplish above-mentioned unleaded copper outlet pipe 60 products, like Fig. 7, shown in 8.
Like Fig. 2,3; The outlet pipe manufacturing approach of the above-mentioned preferred embodiment of the present invention mainly is before these copper pipe 50 two ends are not soldered as yet, just before step e; The preferential selection is welded to each other the entry interface 31 of its water intake end 52 with said water intake end joint 30; And before said water side joint 40 was not soldered as yet, just before step g, the preferential selection was welded to each other itself and relative outer tube 20 water sides 23 openings 231.But not as limit; The way that other can be expected easily; Before being included in above-mentioned steps e; Select earlier the water side 53 of the copper pipe 50 water outlet interface 41 with said water side joint 40 is welded to each other, more in regular turn with its water intake end 52 after the water side of said copper outer tube 20 23 openings 231 penetrate internal chamber passage 21, select immediately to carry out following any way: first kind of way is that said water intake end joint 30 is fixed with relative copper outer tube 20 water intake ends 22 openings 221 mutually nested welding; Again that copper pipe 50 water intake ends 52 are fixing with the entry interface 31 mutual intercalation welding of said water intake end joint 30, and accomplish above-mentioned unleaded copper outlet pipe 60 products.Second kind of way is that the entry interface 31 of said water intake end joint 30 is fixing with relative copper pipe 50 water intake ends 52 mutual intercalation welding; Again said water intake end joint 30 is fixed with relative copper outer tube 20 water intake ends 22 openings 221 mutually nested welding, can be accomplished above-mentioned unleaded copper outlet pipe 60 products equally.
The unleaded copper outlet pipe manufacturing approach of above-mentioned each embodiment of the present invention; Can go out a unleaded copper outlet pipe 60 in order to the type of being made into; Like Fig. 2, shown in 7 and 8, comprise that mainly a copper outer tube 20, a water intake end joint 30, a water side joint 40 and a water outlet are with copper pipe 50; Wherein:
Said copper outer tube 20; With the one-body molded curved arc shape that is of hydraulic expanding-forming technology; Its inside has a chamber passage 21; These chamber passage 21 two ends are formed with a water intake end opening 22 and a water side opening 23 respectively, and said copper outer tube 20 wall above relative these water intake end opening 211 places is provided with lifting rod entering hole 24.
Said water intake end joint 30 is processed into unleaded copper rod, has an entry interface 31 and the lifting rod hole 32 that stretches through on it; Said water intake end joint 30 can weld together with the water intake end of above-mentioned copper outer tube 20 22 openings 221 are mutually nested, and said lifting rod is stretched through, and to get into hole 24 roughly relative for the lifting rod of hole 32 and the above-mentioned copper outer tube 20 of its top.Water intake end joint 30 bottoms of present embodiment are concaved with the hole slot 311 that is spirally connected, and these hole slot 311 diapire central authorities that are spirally connected have provided a hole, can be in order to define above-mentioned entry interface 31.
Said water side joint 40 is processed into unleaded copper rod, has a water outlet interface 41 on it; Said water side joint 40 can weld together with the water side of above-mentioned copper outer tube 20 23 openings 231 are mutually nested.Water side joint 40 bottoms of present embodiment are concaved with the hole slot 411 that is spirally connected, and the diapire central authorities of this hole slot 411 that is spirally connected have provided a hole, can be in order to define above-mentioned water outlet interface 41.
Said water outlet is with copper pipe 50, processed by unleaded copper pipe to be the curved arc shape, makes the said copper pipe 50 inner exhalant canals 51 that form, and two ends are formed with a water intake end 52 and a water side 53 respectively; Said water intake end 52 can weld together with the entry interface 31 mutual intercalations of above-mentioned water intake end joint 30, and the 53 water outlet interface 41 mutual intercalations with above-mentioned water side joint 40 in said water side weld together.After copper pipe 50 water intake ends 52 of present embodiment weld with above-mentioned entry interface 31 mutual intercalations; Its bottom edge roughly flushes with the diapire face of this hole slot 311 that is spirally connected each other; After welded with above-mentioned water outlet interface 41 mutual intercalations its water side 53 in addition, its bottom edge equally roughly flushed with the diapire face of this hole slot 411 that is spirally connected each other.
The above-mentioned unleaded copper outlet pipe manufacturing approach of the present invention adopts the hydraulic expanding-forming technology to make copper outer tube 20, compared to the convention casting method, has the light characteristic of amount of fine quality, can improve the utilization rate of material simultaneously, and manufacturing process can not produce pollution.
Above-mentioned manufacturing approach need not adopt the higher dividing plate welding of convention welding degree of difficulty yet; So can reduce the difficulty and the mortality of welding significantly; And improve the yield and the production efficiency of product significantly, make whole manufacturing approach be able to simplify the dividing plate top weld of copper outer tube 20 relative conventions simultaneously; Also not can because of face of weld cause not attractive in appearance, and can guarantee the surface aesthetic property.
Unleaded copper outlet pipe 60 products that the present invention adopts above-mentioned manufacturing approach to accomplish; Its exhalant canal 51 is to provide by being installed in these copper outer tube 20 inner copper pipe 50 inner pores, because said copper pipe 50 adopts unleaded copper product to process, so can guarantee that the water quality of passing through thus is unlikely because scorification goes out; And suffer lead contamination; Adding the water intake end joint 30 and water side joint 40 that are welded in said copper pipe 50 two ends, equally also is made by unleaded copper product, therefore; Further guarantee the safety of water quality, and had no the doubt of lead contamination.
Inside body as exhalant canal 51 of the present invention adopts copper pipe 50 to fix in water intake end joint 30 and water side joint 40 through welding, but not adopts existing common plastic tube body, and for example many purifiers, reverse osmosis equipment is the pvc pipe of employing extensively; Main cause is that this pvc plastic tube body structural strength is relatively poor, and can't be affixed with welding manner and water intake end joint 30, water side joint 40, and can only be affixed each other with adhesive agent; Therefore; Be only applicable in the discharging device of general low discharge, low hydraulic pressure, in case be applied to the discharging device of high flow capacity, high hydraulic pressure, as the fire hose of kitchen or sanitary bath equipment first-class; The junction that it sticks together each other; Promptly receive high hydraulic pressure effect to produce the infiltration phenomenon easily, even the danger of body disengaging or explosion takes place, so the present invention adopts copper pipe 50 welding manufacture methods and structure; Can guarantee the structural strength and the safety in utilization of junction, particularly in the environment for use of high flow capacity, high hydraulic pressure.
The above is merely preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of within spirit of the present invention and principle, being done, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. unleaded copper outlet pipe manufacturing approach is characterized in that: comprise following process steps:
A, mold a copper outer tube with the hydraulic expanding-forming technology in advance, make said outer tube two ends be formed with a water intake end and a water side respectively;
B, said outer tube near the outside wall surface at water intake end place on processing run through a lifting rod and get into the hole;
C, mold a water intake end joint and a water side joint in advance; Be formed with an entry interface and the lifting rod hole that stretches through on the said water intake end joint, be formed with a water outlet interface on the joint of said water side;
D, moulding in advance make the inner exhalant canal that forms of said copper pipe as the unleaded copper pipe that exhalant canal uses, and two ends are formed with a water intake end and a water side respectively;
E, with the mutual intercalation welding of the entry interface of the water intake end of above-mentioned copper pipe and said water intake end joint, or the water side of above-mentioned copper pipe welded with the mutual intercalation of the water outlet interface of said water side joint;
F, that the copper pipe that an above-mentioned end has been soldered penetrates said outer tube is inner, and afterwards, water intake end joint on the end that said copper pipe has been soldered or water side joint and relative outer tube water intake end opening or water side opening are welded to each other;
G, the above-mentioned water intake end joint that is not soldered as yet or water side joint and above-mentioned relative outer tube water intake end opening or water side opening are welded to each other, or with the water outlet interface and the mutual intercalation welding of above-mentioned relative copper pipe water intake end or water side of the entry interface or the water side joint of the above-mentioned water intake end joint that is not soldered as yet;
H, carry out the surface treatment of outer tube and welding position, can accomplish above-mentioned unleaded copper outlet pipe product.
2. unleaded copper outlet pipe manufacturing approach as claimed in claim 1 is characterized in that: said surface treatment comprises that in regular turn one removes the acid pickling step and a surface finish step of greasy dirt.
3. unleaded copper outlet pipe manufacturing approach as claimed in claim 1 is characterized in that: before said copper pipe two ends were not soldered as yet, the preferential selection was welded to each other the entry interface of its water intake end and said water intake end joint.
4. unleaded copper outlet pipe manufacturing approach as claimed in claim 3 is characterized in that: said water side joint is not before being soldered as yet, and preferential the selection is welded to each other itself and relative outer tube water side opening.
5. unleaded copper outlet pipe manufacturing approach as claimed in claim 1, it is characterized in that: said unleaded copper pipe is a copper tube.
6. unleaded copper outlet pipe manufacturing approach as claimed in claim 1 is characterized in that: said water intake end joint and water side joint are all respectively by unleaded copper rod machine-shaping.
7. unleaded copper outlet pipe that manufacturing approach as claimed in claim 1 is obtained is characterized in that: comprising:
One copper outer tube; With the one-body molded curved arc shape that is of hydraulic expanding-forming technology; Its inside has a chamber passage; These chamber passage two ends are formed with a water intake end opening and a water side opening respectively, and said copper outer tube wall above said relatively water intake end opening part is provided with a lifting rod and gets into the hole;
One water intake end joint has an entry interface and the lifting rod hole that stretches through on it; Said water intake end joint welds together with the water intake end opening of above-mentioned copper outer tube is mutually nested, and this lifting rod is stretched through, and to get into the hole relative for the lifting rod of above-mentioned copper outer tube of Kong Yuqi top;
One water side joint has a water outlet interface on it; Said water side joint can weld together with the water side opening of above-mentioned copper outer tube is mutually nested;
Copper pipe is used in one water outlet, is processed by unleaded copper pipe to be the curved arc shape, makes the inner exhalant canal that forms of this copper pipe, and two ends are formed with a water intake end and a water side respectively; The mutual intercalation of entry interface of said water intake end and above-mentioned water intake end joint welds together, and said water side then welds together with the mutual intercalation of water outlet interface of above-mentioned water side joint.
8. unleaded copper outlet pipe as claimed in claim 7; It is characterized in that: said water intake end joint bottom is concaved with the hole slot that is spirally connected; Said bolt apertures bottom land wall central authorities provide one in order to define the hole of above-mentioned entry interface; After the mutual intercalation welding of the water intake end of above-mentioned copper pipe and said entry interface, its bottom edge flushes with the diapire face of the said hole slot that is spirally connected each other.
9. unleaded copper outlet pipe as claimed in claim 7; It is characterized in that: said water side joint bottom is concaved with the hole slot that is spirally connected; The diapire central authorities of this hole slot that is spirally connected provide one in order to define the hole of above-mentioned water outlet interface; After the mutual intercalation welding of the water side of above-mentioned copper pipe and this water outlet interface, its bottom edge flushes with the diapire face of this hole slot that is spirally connected each other.
10. unleaded copper outlet pipe as claimed in claim 7 is characterized in that: said water intake end joint and water side joint all adopt unleaded copper product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910238999A CN102114589B (en) | 2009-12-31 | 2009-12-31 | Manufacturing method and product of lead-free copper water outlet pipe |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910238999A CN102114589B (en) | 2009-12-31 | 2009-12-31 | Manufacturing method and product of lead-free copper water outlet pipe |
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| CN102114589A CN102114589A (en) | 2011-07-06 |
| CN102114589B true CN102114589B (en) | 2012-09-05 |
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| CN200910238999A Expired - Fee Related CN102114589B (en) | 2009-12-31 | 2009-12-31 | Manufacturing method and product of lead-free copper water outlet pipe |
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| CN111702274B (en) * | 2020-07-06 | 2021-11-23 | 台州市路桥三阳泰洁具有限公司 | Water tap outlet pipe and sleeve pressing and fixing mechanism |
| CN112404889B (en) * | 2020-10-10 | 2022-03-01 | 厦门格欧博新材料科技有限公司 | Zinc-coated copper process |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1050696A (en) * | 1990-12-01 | 1991-04-17 | 北京市太阳能研究所 | Technology for making strip-type hot tube vacuum pipe |
| NL9500454A (en) * | 1995-03-07 | 1996-10-01 | Watson B V | Device for coupling two pipes |
| CN2625677Y (en) * | 2003-05-26 | 2004-07-14 | 何堂光 | Plastic-steel combined water tap |
| CN201050629Y (en) * | 2007-01-23 | 2008-04-23 | 阮汉光 | Copper pipe water tap |
| CN101230934A (en) * | 2007-01-23 | 2008-07-30 | 阮汉光 | Method for producing copper pipe water tap |
-
2009
- 2009-12-31 CN CN200910238999A patent/CN102114589B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1050696A (en) * | 1990-12-01 | 1991-04-17 | 北京市太阳能研究所 | Technology for making strip-type hot tube vacuum pipe |
| NL9500454A (en) * | 1995-03-07 | 1996-10-01 | Watson B V | Device for coupling two pipes |
| CN2625677Y (en) * | 2003-05-26 | 2004-07-14 | 何堂光 | Plastic-steel combined water tap |
| CN201050629Y (en) * | 2007-01-23 | 2008-04-23 | 阮汉光 | Copper pipe water tap |
| CN101230934A (en) * | 2007-01-23 | 2008-07-30 | 阮汉光 | Method for producing copper pipe water tap |
Non-Patent Citations (1)
| Title |
|---|
| JP昭55-129675A 1980.10.07 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102114589A (en) | 2011-07-06 |
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