CN1776267A - Integral ball valve water tap manufacturing method and mould thereof - Google Patents
Integral ball valve water tap manufacturing method and mould thereof Download PDFInfo
- Publication number
- CN1776267A CN1776267A CN 200510110864 CN200510110864A CN1776267A CN 1776267 A CN1776267 A CN 1776267A CN 200510110864 CN200510110864 CN 200510110864 CN 200510110864 A CN200510110864 A CN 200510110864A CN 1776267 A CN1776267 A CN 1776267A
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- Prior art keywords
- valve
- spool
- mould
- core
- cover half
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Abstract
A method for making integral ball valve, which contains making a valve rod and valve ball integrated valve core, coating Vaseline or release agent on valve core, putting it in mold of valve shell, plastic jetting molding valve shell, mounting handle on valve rod. Said invention has advantages of high strength, long service life, fine tightness, simple structure and low cost.
Description
Technical field
The present invention relates to valve, particularly a kind of manufacture method of integral ball valve water tap.
Background technique
Existing ball valve water tap comprises spool, valve casing, the handle be made up of valve ball and valve rod, and Sealing etc.Spool is contained in the valve casing, by valve rod fixed cover, valve ball fixedly back-up ring fix in conjunction with valve casing, also be provided with seal ring, complex structure on the front and back of valve ball and the valve rod.In addition, owing to be subjected to structural constraint, valve ball and valve rod can not be made one, between be connected with tenon and groove, structural strength is poor, and is fragile, working life is short.
Summary of the invention
The object of the invention is to provide a kind of manufacture method of integral ball valve water tap, and making a kind of spool and valve casing is an integrally-built ball valve water tap, to improve its working life.
The solution of the present invention is: a kind of method of making integral ball valve, be to carry out the spool that links into an integrated entity by valve rod and valve ball earlier, on spool, coat vaseline or releasing agent, place it in the mould that is shaped on the valve casing die cavity, outside spool, make the moulding valve casing with injection machine, on valve rod, load onto handle after the demoulding and get final product.
When spool was placed in the mould, through hole wherein was enclosed within on horizontal the loosing core, and valve stem part is embedded in the spool built-in groove.
Its mould is made up of dynamic model and cover half, respectively be shaped on half chamber of valve casing die cavity on dynamic model and the cover half, on cover half, be provided with horizontal loose core and erect loose core, be located in valve pocket part and water nozzle shaft core position partly in the valve casing die cavity respectively, horizontal loose core and erect to loose core be connected on each self-corresponding motion, also be shaped on the spool built-in groove on dynamic model and the cover half.
Advantage of the present invention is: because valve ball and valve rod in the spool are made one in advance, the intensity height can improve working life; Spool is embedded in the mould and the valve casing moulding, and good airproof performance has omitted parts such as seal ring in the past, fixed cover, back-up ring, and simple in structure, manufacturing process is few, and cost is low, the good integrity of product.
Description of drawings
The invention will be further described with embodiment with reference to the accompanying drawings below.
Accompanying drawing is the structural representation of mould of the present invention.
1 spool among the figure, 2 spool built-in grooves, 3 cover half templates, 4 perpendicular loose core 5 valve casing die cavities, 6 horizontal loosing core.
Embodiment
Embodiment's mould is made up of dynamic model and cover half, respectively be shaped on half chamber of valve casing die cavity on dynamic model and the cover half, the structure of its cover half is referring to accompanying drawing, be shaped on valve casing die cavity 5 on the cover half template 3, the same with on the dynamic model, be half of whole valve casing, two templates back altogether form whole valve casing shape, cover half template 3 is provided with horizontally looses core 6 and perpendicular loose core 4, be located in valve pocket part and water nozzle shaft core position partly in the valve casing die cavity 5 respectively, horizontally loose core 6 and perpendicular 4 butt joints of loosing core, make and form the water channel path in the product that processes.Horizontal loose core 6 and perpendicular loosing core 4 be connected on each self-corresponding motion, can be Angle Pin, perhaps drive unit such as oil cylinder, cylinder.
Also be shaped on spool built-in groove 2 on dynamic model and the cover half, in order to place valve rod.
Manufacture method is: carry out the spool that is linked into an integrated entity by valve rod and valve ball earlier, on spool, coat vaseline or releasing agent, the moulding back valve core can be rotated flexibly, place it in the mould, through hole wherein is enclosed within on horizontal the loosing core, and valve stem part is embedded in the spool built-in groove.
At last, use the injection machine molding and forming, make valve casing, valve casing is wrapped in the spool outside, and loading onto handle after the demoulding on valve rod promptly becomes ball valve water tap.
Claims (3)
1. method of making integral ball valve, it is characterized in that: carry out the spool (1) that links into an integrated entity by valve rod and valve ball earlier, on spool (1), coat vaseline or releasing agent, place it in the mould that is shaped on valve casing die cavity (5), outside spool (1), make the moulding valve casing with injection machine, on valve rod, load onto handle after the demoulding and get final product.
2. utilize the described method of claim 1 to make the mould of integral ball valve water tap, form by dynamic model and cover half, it is characterized in that: half chamber that respectively is shaped on valve casing die cavity (5) on dynamic model and the cover half, on cover half, be provided with horizontal loosing core (6) and perpendicular loose core (4), be located in valve pocket part and water nozzle shaft core position partly in the valve casing die cavity (5) respectively, horizontal loosing core (6) and perpendicular loose core (4) are connected on each self-corresponding motion, also are shaped on spool built-in groove (2) on dynamic model and the cover half.
3. the method for manufacturing integral ball valve as claimed in claim 1 is characterized in that: when spool (1) was placed in the mould, through hole wherein was enclosed within on horizontal the loosing core (6), and valve stem part is embedded in the spool built-in groove (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510110864 CN1776267A (en) | 2005-11-29 | 2005-11-29 | Integral ball valve water tap manufacturing method and mould thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510110864 CN1776267A (en) | 2005-11-29 | 2005-11-29 | Integral ball valve water tap manufacturing method and mould thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1776267A true CN1776267A (en) | 2006-05-24 |
Family
ID=36765927
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200510110864 Pending CN1776267A (en) | 2005-11-29 | 2005-11-29 | Integral ball valve water tap manufacturing method and mould thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1776267A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100462603C (en) * | 2006-07-04 | 2009-02-18 | 何建初 | Nylon ball valve and manufacturing method thereof |
-
2005
- 2005-11-29 CN CN 200510110864 patent/CN1776267A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100462603C (en) * | 2006-07-04 | 2009-02-18 | 何建初 | Nylon ball valve and manufacturing method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |