CN2197534Y - Screwed adjusting valve - Google Patents
Screwed adjusting valve Download PDFInfo
- Publication number
- CN2197534Y CN2197534Y CN 93220051 CN93220051U CN2197534Y CN 2197534 Y CN2197534 Y CN 2197534Y CN 93220051 CN93220051 CN 93220051 CN 93220051 U CN93220051 U CN 93220051U CN 2197534 Y CN2197534 Y CN 2197534Y
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- CN
- China
- Prior art keywords
- valve
- valve body
- cone
- spool
- utility
- 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.)
- Expired - Fee Related
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Abstract
The utility model relates to a plug type adjusting valve, comprising a valve body (1), a valve core (2), a valve cover (3), a filler (4), a threaded stud (5), a screw cap (6), a threaded bolt (7), a flat washer (8), and a positioning bolt (9). The adjustable valve is characterized in that the valve core is in the shape of a truncated cone, the side of the cone is provided with a radial oil groove, and the moving surface of the valve body and the valve core is separated form the sealing surface of the valve body. Consequently, the adjusting valve can effectively realize the adjusting function, and can also greatly seal. The structure is simple, and the manufacture and the maintenance are convenient. The utility model can not be dismounted form a pipeline in the using process. The threaded stud (5) and the screw cap (6) are respectively adjusted when the normal transportation of the medium in the pipeline is not cut, and the sealing performance of the utility model can be improved through squeezing the valve cover.
Description
The utility model relates to a kind of modulating valve, and particularly commute stops up, and is mobile poor, the Flow-rate adjustment of the medium that temperature is higher.
At present the modulating valve kind of producing is a lot, but no matter is pneumatic or electronic, and a common characteristic is all arranged, and be exactly: volume is big, the cost height, and structure is complicated.Each modulating valve all is an independently regulon, it only to a kind of medium or two kinds can be compatible medium mix and regulate, and in the practical application of industrial boiler and some other chemical industries, also need independently two media adjusting that links according to a certain percentage of fuel, air quantity or some other.Especially to using the boiler of heavy oil, it had both required easy to adjust flexible, and requirement should not be stopped up again, and high temperature resistant.And on the industrial products market in the whole nation, also there is not a kind of modulating valve that can satisfy this requirement preferably.
According to using the requirement of heavy oil boiler to modulating valve, we have designed modulating valve as shown in Figure 1.This modulating valve is made up of valve body (1), valve rod (2), " O " RunddichtringO (3), swivel nut (4), roller (5), packing ring (6), check valve body (7), screw plug (8), spring (9) etc.This modulating valve has satisfied the requirement of regulating from structure theory, but since when regulating moving surface and sealing surface be same, thereby satisfied motion often, just can not better seal, satisfy sealing, can not move flexibly again, thereby in practice, do not reached desirable effect.
The cock-type modulating valve that provides a kind of Applicable scope wider is provided the purpose of this utility model, and is mobile poor to solve in the industrial production those easy obstructions, the Flow-rate adjustment problem of the medium that temperature is higher.On the oil return adjustment that uses the heavy oil boiler, its advantage is particularly outstanding.
This modulating valve is made up of valve body (1), spool (2), valve gap (3), filler (4), stud bolt (5), nut (6), bolt (7), plain cushion (8), positioning bolt (9) etc.Its essential characteristic is: spool (2) is opens on butt cone and the cone side with a radial oil groove, its oil groove length should be less than 1/2nd of cone side girth, make easy obstruction, mobile poor, the higher medium of temperature is difficult for stopping up, and between valve body (1) and valve gap (3), be connected with and regulate the stud bolt that filler is realized sealing, and moving surface and sealing surface when valve body (1) and spool (2) regulated are separated, make it under the better seal situation, can move neatly, to realize adjusting, and its sealing material selects filler for use, therefore, and sealing that also can be good under higher temperature.And this modulating valve is not in use interrupting under the situation that medium transports, and just can improve the sealability of this adjusting by regulating stud bolt (5), nut (6).
Fig. 1 is the section of structure of former modulating valve.
Fig. 2 is the valve rod front view of former modulating valve.
Fig. 3 is a cock-type modulating valve front view.
Fig. 4 is a cock-type regulation valve core front view.
Fig. 5 is a cock-type regulation valve core A-A sectional view.
The utility model is described in further detail below in conjunction with accompanying drawing:
Conical surface upper edge garden Zhou Fangxiang referring to accompanying drawing 3 cock-type regulation valve cores (2) has opened a radial slot, and the axis of the position of fluting and valve body filler opening, oil outlet is on same cross section.Squarely is milled on valve rod top on the spool stub end, is convenient to be connected with controlling mechanism regulate, and has positioning bolt on the valve gap, with the maximum angle of restriction valve core rotation.The Flow characteristics of this modulating valve is linear, and is not easy to wear, is difficult for stopping up, on the oil return adjustment oil circuit that is specially adapted to the heavy oil combustion boiler of also stably working under tiny flow quantity.
When reality is used, only the actuator that regulates air-valve need be set up according to a certain percentage and drive valve core rotation simultaneously, along with the variation of rotation angle, by the also variation thereupon of oil mass of modulating valve, thus the automatic adjusting of realization wind oil proportioning.And this modulating valve in use only needs suitably to adjust nut (6), just can change the sealability of modulating valve, and not influence other regulatory function.
Claims (3)
1, a kind of cock-type modulating valve, it comprises valve body, spool, valve gap, filler, stud bolt, nut, bolt, plain cushion, positioning bolt etc., it is characterized in that spool is opens on butt cone and the cone side with a radial oil groove, and moving surface and sealing surface when valve body and spool are regulated are separated.
2,, it is characterized in that spool is to open on cross section cone and the cone side that oil groove length should be less than 1/2nd of cone side girth with a radial oil groove according to the said cock-type modulating valve of claim (1).
3,, it is characterized in that being connected with between valve body and the valve gap stud bolt of regulating filler realization sealing according to the said cock-type modulating valve of claim (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93220051 CN2197534Y (en) | 1993-07-26 | 1993-07-26 | Screwed adjusting valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93220051 CN2197534Y (en) | 1993-07-26 | 1993-07-26 | Screwed adjusting valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2197534Y true CN2197534Y (en) | 1995-05-17 |
Family
ID=33799303
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 93220051 Expired - Fee Related CN2197534Y (en) | 1993-07-26 | 1993-07-26 | Screwed adjusting valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2197534Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111853270A (en) * | 2020-08-06 | 2020-10-30 | 中建环能科技股份有限公司 | Air flow regulating valve |
| CN113153957A (en) * | 2021-04-26 | 2021-07-23 | 国家康复辅具研究中心 | Hand regulating flow valve device for small hydraulic damping cylinder |
-
1993
- 1993-07-26 CN CN 93220051 patent/CN2197534Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111853270A (en) * | 2020-08-06 | 2020-10-30 | 中建环能科技股份有限公司 | Air flow regulating valve |
| CN113153957A (en) * | 2021-04-26 | 2021-07-23 | 国家康复辅具研究中心 | Hand regulating flow valve device for small hydraulic damping cylinder |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |