CN101225902A - Plastic water tap and manufacturing method thereof - Google Patents
Plastic water tap and manufacturing method thereof Download PDFInfo
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- CN101225902A CN101225902A CNA2008100597125A CN200810059712A CN101225902A CN 101225902 A CN101225902 A CN 101225902A CN A2008100597125 A CNA2008100597125 A CN A2008100597125A CN 200810059712 A CN200810059712 A CN 200810059712A CN 101225902 A CN101225902 A CN 101225902A
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Abstract
The invention provides a plastic water tap and the making method, belonging to the technical field of machinery, which solves the problems of complex structure, higher cost and weak stability in prior water tap. The plastic water tap comprises a valve core seat, a valve core, a valve stem and a handle. The valve core is arranged in the valve core seat; the internal end of the valve stem is connected with the valve core; the handle is connected with the external end of the valve stem; a tubular inlet pipe and a tubular outlet pipe connected with the valve core seat into a whole are arranged at lateral part of the valve core seat; the inlet pipe and the outlet pipe are communicated with the internal of the valve core seat; the valve core seat, the inlet pipe and the outlet pipe are made from plastic material. The making method of the plastic water tap comprises: A material selection and compound die; B injection molding; C assembly. The plastic water tap has the advantages of simple structure and lower cost due to the plastic water tap comprising only the valve core seat, the inlet pipe and the outlet pipe; good impact resistance performance, dimension stability, transparency and gloss due to the polycarbonate material.
Description
Technical field
The present invention relates to a kind of water tap, particularly a kind of plastic faucet and preparation method thereof belongs to field of mechanical technique.
Background technique
Water tap is extensive use of in daily life, and existing water tap is generally metal faucet, the water tap of making as copper product, stainless steel material etc.
Because the metallic material price is more expensive, makes that like this cost of water tap is higher.At the problems referred to above, people have just designed a kind of water tap that adopts plastic materials to make, but this plastic faucet is to make by injection moulding, general material water tap inside of adopting is nylon material, the outside ABS plastic material that adopts, because these two kinds of mechanical strength are not high, working life is shorter.
Simultaneously, for spool being fixed in the valve core case of valve body, also be connected with a gland on spool in the existing water tap, gland is by after being threaded on the valve core case, can make gland being resisted against on the spool tightly, thereby spool is located.Certainly, the location here only is meant and prevents that spool from coming off in valve core case, but spool is rotary.
As can be seen, gland is not high by its connectivity robustness that is threaded, and after use a period of time, may lose efficacy in its threaded connection place, thereby influence the normal use of water tap.In plastic faucet, because plastic materials itself, its threaded connection place is more prone to lose efficacy.
Summary of the invention
The objective of the invention is at existing in prior technology the problems referred to above, a kind of plastic faucet simple in structure, lower-cost is provided.
Another object of the present invention is low at existing plastic faucet physical mechanical strength, and the defective that working life is short provides a kind of physical mechanical strength height, the making method of the plastic faucet of long service life.
Purpose of the present invention can realize by following technical proposal: a kind of plastic faucet, comprise valve core case, spool, valve rod and handle, spool is positioned at valve core case, the inner of valve rod is connected with spool, handle is connected the valve rod outer end, it is characterized in that, described valve core case sidepiece is provided with intake pipe in a tubular form and the outlet pipe that is connected as a single entity with it, intake pipe and outlet pipe communicate with valve core case inside, and described valve core case, intake pipe and outlet pipe are made by plastic materials.
In this plastic faucet, media such as water can be entered in the valve core case by intake pipe, make outlet pipe communicate with intake pipe after the valve core rotation.Like this, medium such as water just can be flowed out by outlet pipe.
Because this plastic faucet do not have valve body, it only is made up of valve core case and intake pipe in a tubular form, outlet pipe etc.Simultaneously, above-mentioned valve core case, intake pipe and outlet pipe are made by plastic materials.Therefore, the material of whole water tap consumption is less, and weight is lighter.
In above-mentioned plastic faucet, described valve core case is provided with gland, is provided with the linkage structure one that both can be connected between valve core case and the gland, and above-mentioned valve rod outer end passes gland, and above-mentioned spool is pressed between valve core case and the gland.Spool can be limited in the valve core case by such structure, make spool can not deviate from valve core case, simultaneously, gland can also make the stable rotation of spool, avoids loosening phenomenon.
In above-mentioned plastic faucet, described linkage structure one is a screw, and above-mentioned gland is connected in the valve core case place by screw.Gland can be connected in the valve core case place firmly by screw.
In above-mentioned plastic faucet, described linkage structure one for be located on the gland dop be located at valve core case on and can with the dop draw-in groove of clamping mutually.Dop and draw-in groove clamping mutually can be fixed in the valve core case place firmly with gland equally.
In above-mentioned plastic faucet, also be fixed with the pressure cap that its outside is sphere on the described gland, be provided with the linkage structure two that both can be connected between pressure cap and the gland, above-mentioned valve rod outer end passes pressure cap.After handle is connected the valve rod outer end, handle in pulling process can and level and smooth the contacting of pressure cap, not only increase attractive in appearancely, and improve stability in use.
In above-mentioned plastic faucet, described bindiny mechanism two for be located on the pressure cap dop be located at gland on and can with the dop draw-in groove of clamping mutually.Dop and draw-in groove clamping mutually just can make pressure cap be connected firmly on the gland, because gland is connected in the valve core case place by linkage structure one, so also just bonnet have been positioned the valve core case place.
In above-mentioned plastic faucet, the chip of described spool is made by stupalith; Better with ceramic material plastic faucet spool chip wear resistance.
In above-mentioned plastic faucet, described intake pipe is two, is respectively hot-water line and cold water pipe.Pull handle and make valve core rotation, hot-water line is communicated with outlet pipe, water outlet is hot water.Cold water pipe is communicated with outlet pipe, and water outlet is cold water.The opening degree of control spool makes hot-water line, cold water pipe communicate with outlet pipe simultaneously, and water outlet is euthermic water.
The present invention also provides the making method of above-mentioned plastic faucet in addition, and this method may further comprise the steps:
A, selection, matched moulds: select for use plastic materials stand-by as the raw material of making water tap, the mould of making plastic faucet comprises left die body and right die body, form water pipe forming cavity, intake pipe forming cavity and valve core case forming cavity behind left side die body and the right die body matched moulds, in mould outlet pipe forming cavity and intake pipe forming cavity, put into the core bar one of external diameter less than its cavity aperture;
B, injection moulding: with the above-mentioned molten plastic material of selecting for use, be expelled to die for molding after the fusion, cooling at room temperature after the molding and forming, open left die body and right die body, make the body that valve core case, intake pipe and outlet pipe are connected as a single entity after extracting core bar one demoulding out, make plastics intake pipe Sealing, handle, gland and pressure cap by common process then;
C, assembling: the intake pipe Sealing is connected in the intake pipe end, will comprises that then spool, gland, pressure cap, handle are assemblied on the above-mentioned body in order, thereby make the plastic faucet finished product.
Making method of the present invention adopts method that left die body and right die body and core bar are loosed core to produce valve core case, intake pipe and the outlet pipe of plastic faucet; The plastic faucet of making does not have valve body, and the water tap whole casing is a tubular structure, and shell is thin than the water tap of entire body injection moulding or casting in the prior art, saves material, cost is low, and market effect is better.In above-mentioned making method, described intake pipe, outlet pipe also separately die sinking or other method be made into tubular structure, then by being ultrasonically bonded on the valve core case; Described plastic materials can be various plastic materialss such as PC, PVC, nylon.
In above-mentioned plastic faucet making method, outlet pipe forming cavity end described in the steps A is provided with internal thread, described intake pipe forming cavity place is provided with the influent base forming cavity that communicates with it, put into the core bar two of external diameter less than its cavity aperture in the influent base forming cavity, described core bar two has outside thread.Squeeze into screw thread after the water tap cast molding more in the above, operation is cumbersome like this, and is not easy to operate; The present invention is after outlet pipe forming cavity end is provided with internal thread and core bar two and has outside thread, and the plastic faucet after the molding and forming is outside and influent base inner formation outside thread and internal thread naturally at outlet pipe, and operation is fairly simple, easy operating.
In above-mentioned plastic faucet making method, the core bar one described in the steps A is the piston rod of oil hydraulic cylinder.The present invention adopts hydraulic cylinder piston rod as core bar one, utilizes oil hydraulic cylinder to drive piston rod and twitches back and forth, utilizes the space of turnover water pipe forming cavity in piston rod and the mould to form turnover water pipe, enhances productivity so greatly.
In above-mentioned plastic faucet making method, the plastic materials described in the steps A is a polycarbonate (PC), also contains colorant in the polycarbonate (PC), and the weight ratio of described colorant and polycarbonate (PC) is 1～2: 3000.
The present invention adopts polycarbonate (PC) as the material of making water tap, polycarbonate (PC), and English name Polycarbonate is called for short PC.PC is colourless or little yellow thermoplastic engineering plastic of a kind of unformed, odorless, nontoxic, highly transparent, and the molecular chain rigidity is big, and resin melt viscosity is big; Water absorption rate is little, and shrinkage is little, belongs to self-extinguishing; Stable to normal optical; The plastic faucet that the water tap that adopts this material to make is more general has excellent physical and mechanical properties, impact resistance excellence especially, tensile strength, flexural strength, compression strength height; Creep properties is little, dimensionally stable; Also have good heat resistance and lower temperature resistance, in wider temperature range, have stable mechanical property, dimensional stability, electrical property and flame retarding; Can use at-60 ℃～120 ℃ long-term down; Because original polycarbonate (PC) is a colourless transparent material, the water tap market effect of making is relatively poor, therefore need add an amount of colorant in raw material; What the present invention adopted can be versicolor colorant, as the Macrolex series dyes, these dyestuffs have high-dissolvability, and they are dissolved in the stable molecular solution of formation in the polycarbonate plastic in coloring process, thereby make painted plastic faucet keep original transparency.
In the making method of above-mentioned plastic faucet, also comprise the component stress reprocessing among the step B after the molding and forming, detailed process is: each parts is put into ultraviolet ventilated drying oven, under the condition of 100 ℃～160 ℃ of temperature, toasted 2～6 hours.Though the plastic faucet that said method is made has good physical and mechanical properties, water absorption rate is little, and shrinkage is little, the dimensional accuracy height, and dimensional stability is good, and is stable to normal optical, good weatherability; Oil resistant, acidproof, but in water, easily cause hydrolysis and cracking for a long time, fatigue resistance is poor, is easy to generate stress cracking; So the present invention to utilizing the adjustment of ultraviolet to the plastic molecules structure through the over-stress reprocessing, makes its molecule alkali in conjunction with closely, be evenly distributed, thereby eliminated the defective of water tap stress cracking.
In the making method of above-mentioned plastic faucet, by ultrasonic welding the intake pipe Sealing is connected in the intake pipe end among the step C, the voltage of described ultrasonic welding machine is 200～300V, 0.5～2 second weld interval, air pressure is 4～8 kilograms.Adopt ultrasonic welding that the intake pipe Sealing is connected in the turnover pipe end, can make both form an integral body, more common glue bonding is compared intake pipe Sealing difficult drop-off, can not pollute water.
Compared with prior art, this plastic faucet has the following advantages:
1, this plastic faucet only is made up of valve core case, intake pipe and outlet pipe etc., because valve core case, intake pipe and its sidewall of outlet pipe are all thinner, therefore, whole plastic faucet material is economized, cost is lower.
2, this water tap gland that spool is fixing is connected the valve core case place by some screws, and such structure makes gland be connected firmly, and makes the rotation that spool is can be in valve core case stable, and can not become flexible or come off.Therefore, its stability in use is higher.
3, making method of the present invention adopts method that left die body and right die body and core bar are loosed core to produce the shell of plastic faucet; The plastic faucet of making does not have valve body, and the water tap whole casing is a tubular structure, saves material, cost is low, and market effect is better.
4, making method of the present invention adopts plastics as material, especially adopts polycarbonate (PC) as material, good physical performance such as the plastic faucet of producing is shock-resistant, tensile strength, flexural strength, compression strength, long service life; Dimensional stability is good, and the temperature using scope is wide.
5, the plastic faucet produced of making method of the present invention carries out the stress reprocessing, has overcome original plastic materials easily causes hydrolysis and cracking for a long time in water defective, has transparent glossiness characteristics.
Description of drawings
Fig. 1 is the perspective view of this plastic faucet.
Fig. 2 is the decomposition texture schematic representation of this plastic faucet.
Fig. 3 is the perspective view of valve core case in this plastic faucet, intake pipe and outlet pipe.
In this plastic faucet of Fig. 4 valve core case, intake pipe and outlet pipe the sectional structure schematic representation.
Fig. 5 is the mould perspective view of making this plastic faucet.
Fig. 6 is the process flow diagram of this plastic faucet making method.
Among the figure, 1, valve core case 11, connecting base; 12, intake pipe; 13, outlet pipe; 2, ceramic valve core; 3, valve rod; 4, handle; 5, gland; 51, draw-in groove; 6, pressure cap; 61, dop; 7, screw; 8, intake pipe Sealing; 91, left die body; 92, right die body; 93, valve core case forming cavity; 94, water port curved lever; 95, intake pipe forming cavity; 96, outlet pipe forming cavity; 97, influent base forming cavity; 98, core bar one; 99, core bar two.
Embodiment
Below by specific embodiment also in conjunction with the accompanying drawings, technological scheme of the present invention is described in further detail; But the present invention is not limited to these embodiments.
Embodiment one:
As shown in Figure 1, this plastic faucet comprises valve core case 1, ceramic valve core 2, valve rod 3, handle 4, intake pipe 12 and outlet pipe 13 etc.
As Fig. 2 and Fig. 3 and shown in Figure 4, valve core case 1 is cylindric, and ceramic valve core 2 is loaded in the valve core case 1, and the inner of valve rod 3 is connected with ceramic valve core 2, and handle 4 is connected the outer end of valve rod 3.Intake pipe 12 and outlet pipe 13 all in a tubular form, intake pipe 12 and outlet pipe 13 are positioned at valve core case 1 sidepiece, intake pipe 12 is connected as a single entity with outlet pipe 13 and valve core case 1, intake pipe 12 and outlet pipe 13 are made by plastic materials.In the present embodiment, intake pipe 12 is two, is respectively hot-water line and cold water pipe.
Port at valve core case 1 is connected with a gland 5 by linkage structure one, and above-mentioned valve rod 3 passes gland 5.This linkage structure one is that 7, four screws 7 of four screws are distributed on the gland 5 and by these four screws gland 5 is connected in valve core case 1 place.In the present embodiment, in order when saving material gland 5 to be connected firmly, be provided with the connecting base 11 of four protrusions in valve core case 1 inboard, four above-mentioned screws 7 just are connected on these four connecting bases 11.Certainly, according to actual conditions, linkage structure one also can adopt another scheme, promptly linkage structure one for be located on the gland 5 dop be located at valve core case 1 on and can with the dop draw-in groove of clamping mutually.
Be connected with a pressure cap 6 by linkage structure two on gland 5, the outside of pressure cap 6 is sphere, and above-mentioned valve rod 3 also passes pressure cap 6, that is to say, is followed successively by pressure cap 6 and gland 5 between handle 4 and the valve core case 1 from top to bottom.Obviously, the sphere in pressure cap 6 outsides can with handle 4 level and smooth contacting, improve the stability in use of handle 4, the phenomenon that handle 4 and pressure cap 6 are conflicted can not appear.
Bindiny mechanism two for be located on the pressure cap 6 dop 61 be located at gland 5 on and can with the dop draw-in groove 51 of clamping mutually.According to actual conditions, it also is feasible that linkage structure two adopts screw, and promptly pressure cap 6 connects on the gland 5 by screw.In the present embodiment, above-mentioned gland 5, pressure cap 6 and handle 4 are made by plastic materials.
In the using process, pull handle 4 ceramic valve core 2 is rotated in this plastic faucet, can be divided into four kinds of situations after ceramic valve core 2 rotates: one, hot-water line communicates with outlet pipe 12, and obviously, the water that is flowed out by this water tap is hot water; Two, cold water pipe communicates with outlet pipe 12, and obviously, the water that is flowed out by this water tap is cold water; Three, hot-water line and cold water pipe are communicated by outlet pipe 12 simultaneously, and the water that is flowed out by this water tap is euthermic water; Four, hot-water line and cold water pipe all do not communicate with outlet pipe 12, and this water tap is closed condition.
The technological process of the making method of this plastic faucet is as follows:
A, selection, matched moulds: select polycarbonate (PC) and colorant Macrolex series dyes violet3R as raw material, both weight ratios are 3000: 1; The baking oven of putting into temperature after fully mixing and be 100 ℃ is dried drying time 8 hours; The purpose of oven dry is the moisture content of removing in the polycarbonate (PC), prevents that it from producing bubble in injection moulding process, influence the quality of finished product.As shown in Figure 5, the mould of making plastic faucet comprises left die body 91, right die body 92, core bar 1 and core bar 2 99, and core bar 1 is the piston rod of oil hydraulic cylinder in the present embodiment.Form the corresponding outlet pipe forming cavity 96 in position behind left side die body and the right die body matched moulds, intake pipe forming cavity 95, valve core case forming cavity 93, intake pipe forming cavity 95 places are provided with the influent base forming cavity 97 that communicates with it, valve core case forming cavity 93 also is fixed with water port curved lever 94, by oil hydraulic cylinder its core bar 1 is extend in outlet pipe forming cavity 96 and the intake pipe forming cavity 95, wherein the external diameter of core bar 1 less than left die body 91 and right die body 92 matched moulds after outlet pipe forming cavity 96 and intake pipe forming cavity 95 body apertures, outlet pipe forming cavity 96 ends are provided with internal thread, put into the core bar two 99 of external diameter less than its cavity aperture in influent base forming cavity 97, described core bar 2 99 has outside thread.
B, injection moulding: makrolon material after the above-mentioned oven dry and colorant are put into the glue-smelting machine melten gel, and the melten gel position is at 145.0mm, and melten gel pressure remains on about 130Mpa, wherein remains on 250 ℃～280 ℃ in one section temperature of glue-smelting machine; Two sections temperature of glue-smelting machine remain on 280 ℃～285 ℃; Two sections temperature of glue-smelting machine remain on 285 ℃～290 ℃, and two sections temperature of glue-smelting machine remain on 290 ℃～300 ℃; Said temperature can not be too high can not be too low; Temperature is too low, can't descend the molding and forming in step, and temperature is too high, the easy coking of PC plastic materials; After treating the complete fusion of raw material, it is expelled in the above-mentioned mould by injector,, 30～40 seconds inject time, injection pressure 60Mpa; At room temperature cooled off after the molding and forming 48 seconds, extract core bar 1 out, again left die body 91 is separated with right die body 92, screw out core bar 2 99 at last, make the body that valve core case 1, intake pipe 12, influent base and outlet pipe 13 are connected as a single entity after the demoulding, adopt common process to make intake pipe Sealing 8, handle 4, gland 5 and pressure cap 6.
C, component stress reprocessing: above-mentioned each parts of making are put into ultraviolet ventilated drying oven, under the condition of 100 ℃ of temperature, toasted 6 hours; Parts can not cause hydrolysis and cracking after by the stress reprocessing for a long time in water;
D, assembling: intake pipe Sealing 8 is connected in intake pipe 12 ends by the ultrasonic welding machine welding, and wherein the voltage of ultrasonic welding machine is 200V, and 2 seconds weld intervals, air pressure is 4 kilograms.In being installed in ready made ceramic valve core 2 on the above-mentioned body then, the inner of valve rod 3 is connected with ceramic valve core 2, the outer end of valve rod 3 passes valve core case 1 and handle 4 is connected valve rod 3 outer ends, valve core case 1 is provided with gland 5, gland 5 is connected in the valve core case 1 by screw 7, pressure cap 6 is by dop 61 and be located at draw-in groove 51 clampings on the gland 5, handle 4 is contained in promptly makes the plastic faucet finished product on the pressure cap 6.Its process flow diagram as shown in Figure 6.
Embodiment two
A, selection, matched moulds: select polycarbonate (PC) and colorant Macrolex series dyes violetR as raw material, both weight ratios are 3000: 2; The baking oven of putting into temperature after fully mixing and be 120 ℃ is dried drying time 5 hours; The purpose of oven dry is the moisture content of removing in the polycarbonate (PC), prevents that it from producing bubble in injection moulding process, influence the quality of finished product.The mould structure of making plastic faucet repeats no more with embodiment 1.
B, injection moulding: makrolon material after the above-mentioned oven dry and colorant are put into the glue-smelting machine melten gel, and the melten gel position is at 20.0mm, and melten gel pressure remains on about 60Mpa, wherein remains on 250 ℃～280 ℃ in one section temperature of glue-smelting machine; Two sections temperature of glue-smelting machine remain on 280 ℃～285 ℃; Two sections temperature of glue-smelting machine remain on 285 ℃～290 ℃, and two sections temperature of glue-smelting machine remain on 290 ℃～300 ℃; Said temperature can not be too high can not be too low; Temperature is too low, can't descend the molding and forming in step, and temperature is too high, the easy coking of PC plastic materials; After treating the complete fusion of raw material, by injector is made its injection by various component shape die for molding, 30～40 seconds inject time, injection pressure 80Mpa; At room temperature cooled off after the molding and forming 55 seconds, extract core bar 1 out, again left die body 91 is separated with right die body 92, screw out core bar 2 99 at last, make the body that valve core case 1, intake pipe 12, influent base and outlet pipe 13 are connected as a single entity after the demoulding, adopt common process to make intake pipe Sealing 8, handle 4, gland 5 and pressure cap 6.
C, component stress reprocessing: above-mentioned each parts of making are put into ultraviolet ventilated drying oven, under the condition of 130 ℃ of temperature, toasted 4 hours; Parts can not cause hydrolysis and cracking after by the stress reprocessing for a long time in water;
D, assembling: intake pipe Sealing 8 is connected in the intake pipe end by the ultrasonic welding machine welding, and wherein the voltage of ultrasonic welding machine is 260V, and 1 second weld interval, air pressure is 6 kilograms.Assembling process repeats no more with embodiment 1.
Embodiment three
A, selection, matched moulds: select polycarbonate (PC) and colorant Macrolex series dyes Red7B as raw material, both weight ratios are 3000: 2; The baking oven of putting into temperature after fully mixing and be 150 ℃ is dried drying time 2 hours; The purpose of oven dry is the moisture content of removing in the polycarbonate (PC), prevents that it from producing bubble in injection moulding process, influence the quality of finished product.The mould structure of making plastic faucet repeats no more with embodiment 1.
B, injection moulding: makrolon material after the above-mentioned oven dry and colorant are put into the glue-smelting machine melten gel, and the melten gel position is at 60.0mm, and melten gel pressure remains on about 100Mpa, wherein remains on 250 ℃～280 ℃ in one section temperature of glue-smelting machine; Two sections temperature of glue-smelting machine remain on 280 ℃～285 ℃; Two sections temperature of glue-smelting machine remain on 285 ℃～290 ℃, and two sections temperature of glue-smelting machine remain on 290 ℃～300 ℃; Said temperature can not be too high can not be too low; Temperature is too low, can't descend the molding and forming in step, and temperature is too high, the easy coking of PC plastic materials; After treating the complete fusion of raw material, by injector is made its injection by various component shape die for molding, 30～40 seconds inject time, injection pressure 120Mpa; At room temperature cooled off after the molding and forming 60 seconds, extract core bar 1 out, again left die body 91 is separated with right die body 92, screw out core bar 2 99 at last, make the body that valve core case 1, intake pipe 12, influent base and outlet pipe 13 are connected as a single entity after the demoulding, adopt common process to make intake pipe Sealing 8, handle 4, gland 5 and pressure cap 6.
C, component stress reprocessing: above-mentioned each parts of making are put into ultraviolet ventilated drying oven, under the condition of 160 ℃ of temperature, toasted 2 hours; Parts can not cause hydrolysis and cracking after by the stress reprocessing for a long time in water;
D, assembling: the intake pipe Sealing is connected in the intake pipe end by the ultrasonic welding machine welding, and wherein the voltage of ultrasonic welding machine is 300V, and 0.5 second weld interval, air pressure is 8 kilograms.Assembling process repeats no more with embodiment 1.
5 processes of plastic faucet sample of randomly drawing above-mentioned making detect, and its physical and mechanical properties, dimensional stability and transparency are as described in Table 1:
Table 1: the physical and mechanical properties of plastic faucet of the present invention and transparency
As can be seen from Table 1, the physical and mechanical properties such as plastic faucet impact resistance, tensile strength and flexural strength of the present invention's preparation are good, and dimensional stability is good; Transparency is higher.
Specific embodiment described in the present invention only is that the present invention's spirit is illustrated.The technician of the technical field of the invention can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present invention or surmount the defined scope of appended claims.
Although the present invention has been made detailed explanation and has quoted some specific embodiments as proof, to those skilled in the art, only otherwise leave that the spirit and scope of the present invention can be done various variations or correction is obvious.
Claims (10)
1. plastic faucet, comprise valve core case (1), spool (2), valve rod (3) and handle (4), spool (2) is positioned at valve core case (1), the inner of valve rod (3) is connected with spool (2), handle (4) is connected valve rod (3) outer end, it is characterized in that, described valve core case (1) sidepiece is provided with intake pipe in a tubular form (12) and the outlet pipe (13) that is connected as a single entity with it, intake pipe (12) and outlet pipe (13) communicate with valve core case (1) inside, and described valve core case (1), intake pipe (12) and outlet pipe (13) are made by plastic materials.
2. plastic faucet according to claim 1, it is characterized in that, described valve core case (1) is provided with gland (5), be provided with the linkage structure one that both can be connected between valve core case (1) and the gland (5), above-mentioned valve rod (3) outer end passes gland (5), and above-mentioned spool (2) is pressed between valve core case (1) and the gland (5).
3. plastic faucet according to claim 2 is characterized in that, described linkage structure one is screw (7), and above-mentioned gland (5) is connected in valve core case (1) by screw (7) and locates.
4. according to claim 1 or 2 or 3 described plastic faucets, it is characterized in that, also be fixed with its outside on the described gland (5) and be the pressure cap (6) of sphere, be provided with the linkage structure two that both can be connected between pressure cap (6) and the gland (5), above-mentioned valve rod (3) outer end passes pressure cap (6).
5. plastic faucet according to claim 4, it is characterized in that, described bindiny mechanism two for be located at the dop (61) on the pressure cap (6) and be located on the gland (5) and can with dop (61) draw-in groove of clamping (51) mutually, the chip of described spool (2) is made by stupalith, described intake pipe is two, is respectively hot-water line and cold water pipe.
6. the making method of a plastic faucet, this method may further comprise the steps:
A, selection, matched moulds: select for use plastic materials stand-by as the raw material of making water tap, the mould of making plastic faucet comprises left die body (91) and right die body (92), form water pipe forming cavity (96), intake pipe forming cavity (95) and valve core case forming cavity (93) behind left side die body and the right die body matched moulds, in outlet pipe forming cavity (96) and intake pipe forming cavity (95), put into the core bar one (98) of external diameter less than its cavity aperture;
B, injection moulding: with the above-mentioned molten plastic material of selecting for use, be expelled to die for molding after the fusion, cooling at room temperature after the molding and forming, open left die body (91) and right die body (92), make the body that valve core case (1), intake pipe (12) and outlet pipe (13) are connected as a single entity after extracting core bar one (98) demoulding out, make plastics intake pipe Sealing (8), handle (4), gland (5) and pressure cap (6) by common process then;
C, assembling: intake pipe Sealing (8) is connected in the intake pipe end, will comprises that then spool (2), gland (5), pressure cap (6), handle (4) are assemblied on the above-mentioned body in order, thereby make the plastic faucet finished product.
7. the making method of plastic faucet according to claim 6, it is characterized in that: outlet pipe forming cavity (96) end described in the steps A is provided with internal thread, described intake pipe forming cavity place is provided with the influent base forming cavity (97) that communicates with it, put into the core bar two (99) of external diameter less than its cavity aperture in influent base forming cavity (97), described core bar two (99) has outside thread.
8. the making method of plastic faucet according to claim 6, it is characterized in that: the core bar one (98) described in the steps A is the piston rod of oil hydraulic cylinder.
9. the making method of plastic faucet according to claim 6 is characterized in that, the plastic materials described in the steps A is a polycarbonate (PC), also contains colorant in the polycarbonate (PC), and the weight ratio of described colorant and polycarbonate (PC) is 1～2: 3000.
10. the making method of plastic faucet according to claim 7, it is characterized in that, also comprise the component stress reprocessing among the step B after the molding and forming, detailed process is: each parts of making among the step B are put into ultraviolet ventilated drying oven, under the condition of 100 ℃～160 ℃ of temperature, toasted 2～6 hours, by ultrasonic welding intake pipe Sealing (8) is connected in intake pipe (12) end among the step C, the voltage of described ultrasonic welding machine is 200～300V, 0.5～2 second weld interval, air pressure is 4～8 kilograms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100597125A CN101225902A (en) | 2008-02-05 | 2008-02-05 | Plastic water tap and manufacturing method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100597125A CN101225902A (en) | 2008-02-05 | 2008-02-05 | Plastic water tap and manufacturing method thereof |
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| CN101225902A true CN101225902A (en) | 2008-07-23 |
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| CNA2008100597125A Pending CN101225902A (en) | 2008-02-05 | 2008-02-05 | Plastic water tap and manufacturing method thereof |
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| CN102192351A (en) * | 2011-05-24 | 2011-09-21 | 何祺晃 | Connector-free plastic double-link tap water channel and manufacture method thereof |
| CN102555219A (en) * | 2010-12-24 | 2012-07-11 | 深圳成霖洁具股份有限公司 | Manufacturing method for plastic tap faucet body and product |
| CN103133714A (en) * | 2011-12-01 | 2013-06-05 | 厦门市易洁卫浴有限公司 | Water way shifting device |
| CN103322260A (en) * | 2013-06-21 | 2013-09-25 | 何恩龙 | Faucet of valve spool locking structure |
| CN104696551A (en) * | 2014-06-05 | 2015-06-10 | Jcl产业 | Manufacturing method of faucet |
| CN107020715A (en) * | 2017-04-24 | 2017-08-08 | 黄振波 | Two shower mixing taps and its manufacture method |
| CN109477591A (en) * | 2016-05-23 | 2019-03-15 | Eto电磁有限责任公司 | It is used to prepare the method and valve chest of valve chest |
| CN110541990A (en) * | 2019-07-18 | 2019-12-06 | 厦门润创远工贸有限公司 | Pipeline of many water routes quick butt joint intercommunication connects device soon |
| CN112139449A (en) * | 2020-08-25 | 2020-12-29 | 泉州联创厨卫有限公司 | Bend tap drawing of patterns mould |
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- 2008-02-05 CN CNA2008100597125A patent/CN101225902A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102555219B (en) * | 2010-12-24 | 2015-10-21 | 深圳成霖实业有限公司 | The preparation method of plastic faucet body and product |
| CN102555219A (en) * | 2010-12-24 | 2012-07-11 | 深圳成霖洁具股份有限公司 | Manufacturing method for plastic tap faucet body and product |
| CN102192351A (en) * | 2011-05-24 | 2011-09-21 | 何祺晃 | Connector-free plastic double-link tap water channel and manufacture method thereof |
| CN103133714A (en) * | 2011-12-01 | 2013-06-05 | 厦门市易洁卫浴有限公司 | Water way shifting device |
| CN103133714B (en) * | 2011-12-01 | 2016-02-03 | 厦门松霖卫厨有限公司 | Waterway switching device |
| CN103322260A (en) * | 2013-06-21 | 2013-09-25 | 何恩龙 | Faucet of valve spool locking structure |
| CN104696551A (en) * | 2014-06-05 | 2015-06-10 | Jcl产业 | Manufacturing method of faucet |
| CN104696551B (en) * | 2014-06-05 | 2016-08-17 | Jcl产业 | Tap gold utensil manufacture method |
| CN109477591A (en) * | 2016-05-23 | 2019-03-15 | Eto电磁有限责任公司 | It is used to prepare the method and valve chest of valve chest |
| CN107020715A (en) * | 2017-04-24 | 2017-08-08 | 黄振波 | Two shower mixing taps and its manufacture method |
| CN110541990A (en) * | 2019-07-18 | 2019-12-06 | 厦门润创远工贸有限公司 | Pipeline of many water routes quick butt joint intercommunication connects device soon |
| CN112139449A (en) * | 2020-08-25 | 2020-12-29 | 泉州联创厨卫有限公司 | Bend tap drawing of patterns mould |
| CN112139449B (en) * | 2020-08-25 | 2022-05-20 | 泉州联创厨卫有限公司 | Bend tap drawing of patterns mould |
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