CN208651641U - 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
- CN208651641U CN208651641U CN201821165836.7U CN201821165836U CN208651641U CN 208651641 U CN208651641 U CN 208651641U CN 201821165836 U CN201821165836 U CN 201821165836U CN 208651641 U CN208651641 U CN 208651641U
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- CN
- China
- Prior art keywords
- valve
- valve rod
- shaft
- flap
- valve body
- 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 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 far from being equipped with mounting plate on the end face of 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, use the hand wheel rotating valve rod fixed by 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 overflowing from body top, there is leakage problem, and valve rod and shaft are that high-carbon alloy steel is made, intensity is higher；The special construction of shaft seat designs, and had not only been able to achieve between shaft and flap and has independently rotated but also be able to satisfy requirement of the valve rod to the push-and-pull stress of flap, equipment overall structure is more rationally compact, and reliability is higher.
Description
Technical field
The utility model relates to shut-off valve equipment technical field, specially a kind of cast iron shut-off valve peculiar to vessel.
Background technique
Shut-off valve can be generally used in shipping industry, the opening and closing of common shut-off valve peculiar to vessel is driven by control valve rod
Flap realizes relative to water stream channel mouth lifting in valve body, but traditional shut-off valve not only structure is complicated be unfavorable for production and
And with abrasion, material aging is used, sealing performance is 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.
Utility model content
It is mentioned above in the background art to solve the purpose of this utility model is to provide a kind of cast iron shut-off valve peculiar to vessel
Problem.
To achieve the above object, the utility model provides the following technical solutions: a kind of cast iron shut-off valve peculiar to vessel, including valve
Body, the valve body left and right ends are respectively equipped with water outlet and water inlet, and the water outlet and water inlet are far from the end face of valve body
It is equipped with mounting plate, the top end of the valve body is equipped with tapered cap, and the tapered cap top is enclosed construction, and the valve inner is equipped with
Valve rod, the valve rod run through tapered cap top, and the valve rod is upper end smooth cylindrical lower end trapezoidal thread structure, the valve rod bottom
End is equipped with shaft, and the shaft bottom end is equipped with shaft seat, and shaft matches with shaft seat, and the shaft seat is located at table on flap
Face center, the flap bottom end are equipped with gasket, and the flap, gasket and body cavity are interference fitted, the valve body
Valve stem nut is equipped with inside top, the valve stem nut is engaged with stem bottom screw thread, is equipped between the tapered cap and valve rod
Airtight and watertight padding, the valve stem tip are equipped with handwheel, are fixed between the handwheel and valve rod by nut.
Preferably, glued between the flap and gasket, the flap is cylindrical structure made of alloy material, institute
Stating gasket is cylindrical structure made of tartan.
Preferably, transition fit between the periphery of the valve stem tip and tapered cap bottom wall, i.e. airtight and watertight padding pass 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 shaft seat 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 utility model has the beneficial effects that
1, utility model works principle is similar to common shut-off valve, using flap by valve inner water inlet and water outlet
Partition, 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 passes through the shaft of its bottom end and turns
The cooperation of axle bed can drive flap while rising or falling and gasket rises or undercarriage, that is, realize the on-off of valve body
Control, and the screw thread of valve rod is designed using trapezoidal thread, can improve valve body work using its distinctive self-locking property 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 greater 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 of maintenance replacement,
Virtually save cost.
2, using the hand wheel rotating valve rod fixed by 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 is higher；Turn
The special construction of axle bed designs, and has not only been able to achieve the push-and-pull stress for independently rotating between shaft and flap but also being able to satisfy valve rod to flap
Requirement, equipment overall structure more rationally it is compact, reliability is higher.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model.
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 embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Referring to Fig. 1, the utility model provides a kind of technical solution: a kind of cast iron shut-off valve peculiar to vessel, including valve body 1, valve
1 left and right ends of body are respectively equipped with water outlet 3 and water inlet 2, and water outlet 3 and water inlet 2 are equipped on the end face far from valve body 1
Mounting plate 4,1 top of valve body are equipped with tapered cap 12, and 12 top of tapered cap is enclosed construction, are equipped with valve rod 8, valve rod inside valve body 1
8 run through 12 top of tapered cap, and valve rod 8 is upper end smooth cylindrical lower end trapezoidal thread structure, and 8 bottom end of valve rod is equipped with shaft 9, turn
9 bottom end of axis is equipped with shaft seat 7, and shaft 9 matches with shaft seat 7, and shaft seat 7 is located at 6 upper surface center of flap, flap
6 bottom ends are equipped with gasket 5, and flap 6, gasket 5 and 1 inner cavity of valve body are interference fitted, glued between flap 6 and gasket 5, flap
6 be cylindrical structure made of alloy material, and gasket 5 is cylindrical structure made of tartan.
Referring to Fig. 1, being equipped with valve stem nut 10 inside 1 top of valve body, 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 between handwheel 14 and valve rod 8
Nut 13 is fixed, and transition fit between 12 bottom wall of periphery and tapered cap on 8 top of valve rod, i.e. airtight and watertight padding 11 passes through taper
12 bottom wall of cap 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 shaft seat 7 is one similar
Plain bearing formula 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.
Working principle: utility model works principle is similar to common shut-off valve, using flap 6 by 1 inner inlet of valve body
Mouth 2 separates with water outlet 3, 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 flow direction of medium is connected valve body 1 and pipeline using mounting plate 4, in use, rotation valve rod 8, may be implemented valve rod
8 rise or fall, 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
Bar 8 can drive flap 6 and gasket 5 by the shaft 9 of its bottom end and the cooperation of shaft seat 7 while rising or falling
Rise or undercarriage, i.e. the on-off control of realization valve body 1, and the screw thread of valve rod 8 are using trapezoidal thread design, it being capable of benefit in use
The reliability that valve body 1 works is improved with its distinctive self-locking property, since flap 6 and gasket 5 are cylindrical structure, and with
Valve body is interference fitted between 1 inner cavity, and the mentality of designing of 3 inner diameter of water outlet, institute are greater than using flap 6 and 5 diameter of gasket
It is very high with the effect and reliability that stop and seal, and flap 6 is made of alloy material, gasket 5 of tartan, prevents
Corrosion and ageing ability is strong, has saved the cost of maintenance replacement, has virtually saved cost.
Using handwheel 14 rotation valve rod 8 fixed by nut 13, 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 overflowing at the top of valve body 1, leakage problem occur, and valve rod 8 and shaft 9 are high-carbon alloy steel
It is made, intensity is higher；The special construction of shaft seat 7 designs, and had not only been able to achieve between shaft 9 and flap 6 and has independently rotated but also be able to satisfy
Requirement of the valve rod 8 to the push-and-pull stress of flap 6, equipment overall structure is more rationally compact, and reliability is higher.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
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
Mounting plate is equipped on the end face of the mouth of a river (3) and water inlet (2), the water outlet (3) and water inlet (2) separate 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 smooth cylindrical lower end in upper 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 is equipped with inside valve body (1) top
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 fit between surface and tapered cap (12) bottom wall, i.e. airtight and watertight padding (11) pass 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, the shaft seat (7) is one similar to plain bearing formula structure, and the shaft (9) and shaft seat (7) are interior
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 |
|---|---|---|---|
| CN201821165836.7U CN208651641U (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 |
|---|---|---|---|
| CN201821165836.7U CN208651641U (en) | 2018-07-20 | 2018-07-20 | A kind of cast iron shut-off valve peculiar to vessel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208651641U true CN208651641U (en) | 2019-03-26 |
Family
ID=65786209
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821165836.7U Expired - Fee Related CN208651641U (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) | CN208651641U (en) |
-
2018
- 2018-07-20 CN CN201821165836.7U patent/CN208651641U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190326 Termination date: 20210720 |