CN108799514A - A kind of cast iron shut-off valve peculiar to vessel - Google Patents
A kind of cast iron shut-off valve peculiar to vessel Download PDFInfo
- Publication number
- CN108799514A CN108799514A CN201810805658.8A CN201810805658A CN108799514A CN 108799514 A CN108799514 A CN 108799514A CN 201810805658 A CN201810805658 A CN 201810805658A CN 108799514 A CN108799514 A CN 108799514A
- Authority
- CN
- China
- Prior art keywords
- valve
- valve rod
- valve body
- flap
- shaft
- 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.)
- Withdrawn
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/02—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with screw-spindle
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/36—Valve members
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/60—Handles
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K41/00—Spindle sealings
- F16K41/02—Spindle sealings with stuffing-box ; Sealing rings
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lift Valve (AREA)
- Mechanically-Actuated Valves (AREA)
Abstract
The invention discloses a kind of cast iron shut-off valves peculiar to vessel, including valve body, valve body left and right ends are respectively equipped with water outlet and water inlet, water outlet and water inlet are equipped with mounting plate on the end face far from valve body, top end of the valve body is equipped with tapered cap, tapered cap top is enclosed construction, valve inner is equipped with valve rod, valve rod runs through tapered cap top, valve rod is upper end smooth cylindrical lower end trapezoidal thread structure, using passing through the fixed hand wheel rotating valve rod of nut, due to the engagement of valve rod and valve stem nut, utilize the principle of active force and reaction force, realize rising or falling for valve rod, due to being equipped with airtight and watertight padding between valve rod and tapered cap, it can prevent medium from being overflowed from body top, there is leakage problem, and valve rod and shaft are that high-carbon alloy steel is made, intensity higher；The special construction of shaft seat designs, and can realize and requirement of the valve rod to the push-and-pull stress of flap is independently rotated but also met between shaft and flap, more reasonable compact, the reliability higher of equipment overall structure.
Description
Technical field
The present invention relates to shut-off valve equipment technical field, specially a kind of cast iron shut-off valve peculiar to vessel.
Background technology
Shut-off valve can be generally used in shipping industry, the keying of common shut-off valve peculiar to vessel is driven by controlling valve rod
Flap realizes relative to water stream channel mouth lifting in valve body, but traditional shut-off valve not only it is complicated be unfavorable for production and
And with using abrasion, material aging, sealing performance to be difficult to ensure, thus it is proposed that a kind of cast iron shut-off valve peculiar to vessel is for solving
The certainly above problem.
Invention content
The purpose of the present invention is to provide a kind of cast iron shut-off valves peculiar to vessel, to solve mentioned above in the background art ask
Topic.
To achieve the above object, the present invention provides the following technical solutions：A kind of cast iron shut-off valve peculiar to vessel, including valve body, institute
It states valve body left and right ends and is respectively equipped with water outlet and water inlet, the water outlet and water inlet are equipped on the end face far from valve body
Mounting plate, the top end of the valve body are equipped with tapered cap, and the tapered cap top is enclosed construction, and the valve inner is equipped with valve rod,
The valve rod runs through tapered cap top, and the valve rod is upper end smooth cylindrical lower end trapezoidal thread structure, and the valve rod bottom end is set
There is shaft, the shaft bottom end is equipped with shaft seat, and shaft matches with shaft seat, and the shaft seat is located in flap upper surface
Heart position, the flap bottom end are equipped with gasket, and the flap, gasket and body cavity are interference fitted, the top end of the valve body
It is internally provided with valve stem nut, the valve stem nut is engaged with stem bottom screw thread, and sealing is equipped between the tapered cap and valve rod
Filler, the valve stem tip are equipped with handwheel, are fixed by nut between the handwheel and valve rod.
Preferably, glued between the flap and gasket, the flap is cylindrical structure made of alloy material, institute
It is cylindrical structure made of tartan to state gasket.
Preferably, transition coordinates between the periphery of the valve stem tip and tapered cap bottom wall, i.e. airtight and watertight padding passes through
Tapered cap bottom wall and valve body upper surface are limited.
Preferably, the valve rod and shaft are that high-carbon alloy steel is made, and the bearing block is one similar to plain bearing formula
Structure, the shaft are fixed with shaft seat inner ring, and the shaft seat outer ring is fixedly connected with flap.
Compared with prior art, the beneficial effects of the invention are as follows：
1, operation principle of the present invention is similar to common shut-off valve, using flap by valve inner water inlet and water outlet every
It is disconnected, and then realize the purpose for blocking flow of media；Valve body both ends are respectively equipped with inlet and outlet, corresponding media flow side
To using mounting plate by valve body and pipeline connection, in use, rotation valve rod, may be implemented rising or falling for valve rod, on valve rod
Gap very little between the smooth, cylindrical peripheral surface and tapered cap bottom wall at end, almost without friction, valve rod by the shaft of its bottom end with turn
The cooperation of axle bed can drive flap while rising or falling and gasket rises or undercarriage, that is, realize the break-make of valve body
Control, and the screw thread of valve rod is designed using trapezoidal thread, its distinctive self-locking property can be utilized to improve valve body work in use
The reliability of work since flap and gasket are cylindrical structure, and is interference fitted between body cavity, using flap and
Gasket diameter is more than the mentality of designing of water outlet inner diameter, so the effect and reliability of cutout and sealing are very high, and valve
Valve is made of alloy material, gasket of tartan, and anticorrosion aging ability is strong, has saved the cost that repair is replaced,
Virtually save cost.
2, using by the fixed hand wheel rotating valve rod of nut, due to the engagement of valve rod and valve stem nut, active force is utilized
With the principle of reaction force, rising or falling for valve rod is realized, due to being equipped with airtight and watertight padding, Neng Goufang between valve rod and tapered cap
Only medium is overflowed from body top, leakage problem occurs, and valve rod and shaft are that high-carbon alloy steel is made, intensity higher；Turn
The special construction of axle bed designs, and can realize the push-and-pull stress for independently rotating between shaft and flap but also meeting valve rod to flap
Requirement, equipment overall structure more rationally compact, reliability higher.
Description of the drawings
Fig. 1 is schematic structural view of the invention.
In figure：1 valve body, 2 water inlets, 3 water outlets, 4 mounting plates, 5 gaskets, 6 flaps, 7 shaft seats, 8 valve rods, 9 shafts,
10 valve stem nuts, 11 airtight and watertight paddings, 12 tapered caps, 13 nuts, 14 handwheels.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Referring to Fig. 1, the present invention provides a kind of technical solution：A kind of cast iron shut-off valve peculiar to vessel, including valve body 1, valve body 1 are left
Right both ends are respectively equipped with water outlet 3 and water inlet 2, and water outlet 3 and water inlet 2 are equipped with mounting plate on the end face far from valve body 1
4,1 top of valve body is equipped with tapered cap 12, and 12 top of tapered cap is enclosed construction, and valve body 1 is internally provided with valve rod 8, and valve rod 8 is through cone
12 top of shape cap, valve rod 8 are upper end smooth cylindrical lower end trapezoidal thread structure, and 8 bottom end of valve rod is equipped with shaft 9, and 9 bottom end of shaft is set
There is shaft seat 7, and shaft 9 matches with shaft seat 7, shaft seat 7 is located at 6 upper surface center of flap, and 6 bottom end of flap is equipped with
Gasket 5, flap 6, gasket 5 and 1 inner cavity of valve body are interference fitted, glued between flap 6 and gasket 5, and flap 6 is alloy material
Cylindrical structure made of material, gasket 5 are cylindrical structure made of tartan.
Referring to Fig. 1,1 top of valve body is internally provided with valve stem nut 10, valve stem nut 10 is engaged with 8 bottom thread of valve rod,
Airtight and watertight padding 11 is equipped between tapered cap 12 and valve rod 8,8 top of valve rod is equipped with handwheel 14, passes through spiral shell between handwheel 14 and valve rod 8
Mother 13 fixes, between 12 bottom wall of periphery and tapered cap on 8 top of valve rod transition coordinate, i.e. airtight and watertight padding 11 passes through tapered cap
12 bottom walls and 1 upper surface of valve body are limited, and valve rod 8 and shaft 9 are that high-carbon alloy steel is made, and bearing block 7 is one similar to general
Logical bearing structure, shaft 9 are fixed with 7 inner ring of shaft seat, and 7 outer ring of shaft seat is fixedly connected with flap 6.
Operation principle：Operation principle of the present invention is similar to common shut-off valve, using flap 6 by 1 inner inlet mouth 2 of valve body with
Water outlet 3 separates, and then realizes the purpose for blocking flow of media；1 both ends of valve body are respectively equipped with water inlet 2 and water outlet 3, corresponding
Media flow direction is connected valve body 1 and pipeline using mounting plate 4, in use, rotation valve rod 8, may be implemented the upper of valve rod 8
It rises or declines, gap very little between 12 bottom wall of smooth, cylindrical peripheral surface and tapered cap of 8 upper end of valve rod, almost without friction, valve rod 8 is logical
Cross the cooperation of the shaft 9 and shaft seat 7 of its bottom end, can be driven while rising or falling flap 6 and gasket 5 rise or
Undercarriage realizes the break-make control of valve body 1, and the screw thread of valve rod 8 is designed using trapezoidal thread, can utilize it special in use
Some self-locking properties improves the reliability that valve body 1 works, since flap 6 and gasket 5 are cylindrical structure, and with valve body 1
It is interference fitted between inner cavity, the mentality of designing of 3 inner diameter of water outlet is more than using flap 6 and 5 diameter of gasket, so cutout
It is very high with the effect and reliability of sealing, and flap 6 is made of alloy material, gasket 5 of tartan, anticorrosion is old
Change ability is strong, has saved the cost that repair is replaced, has virtually saved cost.
Using by 13 fixed handwheel of nut, 14 rotation valve rod 8, due to the engagement of valve rod 8 and valve stem nut 10, utilize
The principle of active force and reaction force realizes rising or falling for valve rod 8, due to being equipped with sealing between valve rod 8 and tapered cap 12
Filler 11 can prevent medium from being overflowed from 1 top of valve body, leakage problem occurs, and valve rod 8 and shaft 9 are high-carbon alloy steel
It is made, intensity higher；The special construction of shaft seat 7 designs, and can realize and independently rotate but also meet between shaft 9 and flap 6
Requirement of the valve rod 8 to the push-and-pull stress of flap 6, more reasonable compact, the reliability higher of equipment overall structure.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of variations, modification, replace
And modification, the scope of the present invention is defined by the appended.
Claims (4)
1. a kind of cast iron shut-off valve peculiar to vessel, including valve body (1), it is characterised in that：Valve body (1) left and right ends are respectively equipped with out
The mouth of a river (3) and water inlet (2), the water outlet (3) and water inlet (2) are equipped with mounting plate on the end face far from valve body (1)
(4), valve body (1) top is equipped with tapered cap (12), and tapered cap (12) top is enclosed construction, and the valve body (1) is interior
Portion is equipped with valve rod (8), and the valve rod (8) runs through tapered cap (12) top, and the valve rod (8) is that upper end smooth cylindrical lower end is trapezoidal
Helicitic texture, valve rod (8) bottom end be equipped with shaft (9), shaft (9) bottom end be equipped with shaft seat (7), and shaft (9) with
Shaft seat (7) matches, and the shaft seat (7) is located at flap (6) upper surface center, and flap (6) bottom end is equipped with close
Packing (5), the flap (6), gasket (5) and valve body (1) inner cavity are interference fitted, and valve body (1) top is internally provided with valve
Stem nut (10), the valve stem nut (10) are engaged with valve rod (8) bottom thread, between the tapered cap (12) and valve rod (8)
Equipped with airtight and watertight padding (11), valve rod (8) top is equipped with handwheel (14), passes through spiral shell between the handwheel (14) and valve rod (8)
Female (13) are fixed.
2. a kind of cast iron shut-off valve peculiar to vessel according to claim 1, it is characterised in that：The flap (6) and gasket (5)
Between it is glued, the flap (6) is cylindrical structure made of alloy material, and the gasket (5) is tartan system
At cylindrical structure.
3. a kind of cast iron shut-off valve peculiar to vessel according to claim 1, it is characterised in that：The cylinder on valve rod (8) top
Transition coordinates between surface and tapered cap (12) bottom wall, i.e. airtight and watertight padding (11) passes through on tapered cap (12) bottom wall and valve body (1)
End face is limited.
4. a kind of cast iron shut-off valve peculiar to vessel according to claim 1, it is characterised in that：The valve rod (8) and shaft (9) are equal
It is made of high-carbon alloy steel, for the bearing block (7) for one similar to plain bearing formula structure, the shaft (9) is interior with shaft seat (7)
Circle is fixed, and shaft seat (7) outer ring is fixedly connected with flap (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810805658.8A CN108799514A (en) | 2018-07-20 | 2018-07-20 | A kind of cast iron shut-off valve peculiar to vessel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810805658.8A CN108799514A (en) | 2018-07-20 | 2018-07-20 | A kind of cast iron shut-off valve peculiar to vessel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108799514A true CN108799514A (en) | 2018-11-13 |
Family
ID=64077227
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810805658.8A Withdrawn CN108799514A (en) | 2018-07-20 | 2018-07-20 | A kind of cast iron shut-off valve peculiar to vessel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108799514A (en) |
-
2018
- 2018-07-20 CN CN201810805658.8A patent/CN108799514A/en not_active Withdrawn
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20181113 |
|
| WW01 | Invention patent application withdrawn after publication |