CN209725217U - A kind of novel high-pressure heavy caliber shut-off valve - Google Patents

A kind of novel high-pressure heavy caliber shut-off valve Download PDF

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Publication number
CN209725217U
CN209725217U CN201822147299.XU CN201822147299U CN209725217U CN 209725217 U CN209725217 U CN 209725217U CN 201822147299 U CN201822147299 U CN 201822147299U CN 209725217 U CN209725217 U CN 209725217U
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China
Prior art keywords
valve
deck
changing
shut
head
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Application number
CN201822147299.XU
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Chinese (zh)
Inventor
方高远
刘德银
王英才
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Fangzheng Valve Group Shanghai Co Ltd
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Fangzheng Valve Group Shanghai Co Ltd
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Abstract

The utility model discloses a kind of novel high-pressure heavy caliber shut-off valves, including valve body, valve deck, crossover sub, first bolt and turbine head, the side of the valve body is provided with valve deck, the side of the valve deck far from valve body is provided with changing-over head, one end of the changing-over head far from valve deck is provided with turbine head, indicating arm is provided on the turbine head, valve rod is provided on the inside of the spring energy-storage sealing ring, the valve rod extends vertically through valve deck, the side both ends of the valve deck are provided with the first nut, one end two sides close to the changing-over head of valve deck are provided with rotation stopping screw, one end two sides of the changing-over head far from valve deck are provided with stop screw, the first bolt-through changing-over head is connected with turbine head, the side of first bolt is provided with the second nut.The novel high-pressure heavy caliber shut-off valve, is provided with pilot valve, and after valve rod rising, pilot valve is first opened, and after making valve body pressure reduction, convenient for the opening of flap and valve seat, reduces the unlatching moment of valve.

Description

A kind of novel high-pressure heavy caliber shut-off valve
Technical field
The utility model relates to shut-off valve technical field, specially a kind of novel high-pressure heavy caliber shut-off valve.
Background technique
Shut-off valve is also known as pipe valve valve, is usually used in field of aerospace, and conveying, cut-off to medium can be realized by the device With adjust etc. various functions.
It is present when valve is closed, it is necessary to apply pressure to flap, and then leak forced seal face not, to make valve Valve sticks into valve seat, completes the closing to valve, and then liquid is made to stop flowing.
It is most of novel although novel high-pressure heavy caliber shut-off valve type and quantity currently on the market are very more High-pressure heavy caliber stop valve has a disadvantage that, when either on or off shut-off valve, needs power to be used larger, and either on or off When, valve rod is easy rotation without moving up and down, and because water flows to from high to low, makes valve be inconvenient to close, therefore Present novel high-pressure heavy caliber shut-off valve is improved.
Utility model content
The purpose of this utility model is to provide a kind of novel high-pressure heavy caliber shut-off valves, are mentioned with solving above-mentioned background technique When either on or off shut-off valve currently on the market out, need power to be used larger, and when either on or off, valve rod holds Easily rotation makes valve be inconvenient to the problem of closing without moving up and down, and because water flows to from high to low.
To achieve the above object, the utility model provides the following technical solutions: a kind of novel high-pressure heavy caliber shut-off valve, packet Valve body, valve deck, crossover sub, the first bolt and turbine head are included, the side of the valve body is provided with valve deck, described far from valve body The side of valve deck is provided with changing-over head, and one end of the changing-over head far from valve deck is provided with turbine head, sets on the turbine head It is equipped with indicating arm, wherein
The inside of the valve body is equipped with valve seat, and O-ring, one end of the valve seat are provided between the valve body and valve seat It is provided with flap, the flap internal vertical is provided through valve rod, and one end close to the valve rod of flap is provided with guide Valve, the pilot valve are mounted on the inside of flap, and one end close to the valve body of valve deck is provided with middle flange seal ring;
The valve deck is internally provided with spring energy-storage sealing ring, is provided with valve on the inside of the spring energy-storage sealing ring Bar, the valve rod extend vertically through valve deck, and the side both ends of the valve deck are provided with the first nut, and the inside of first nut connects The second stud is connect, second stud is connected through valve deck with valve body, and inside one end of the valve deck is provided with gland, institute The side for stating valve deck is provided with stop-leak compound injection valve;
One end two sides close to the changing-over head of valve deck are provided with rotation stopping screw, and one of the changing-over head far from valve deck End two sides are provided with stop screw, and the first bolt-through changing-over head is connected with turbine head, and the side of first bolt is set It is equipped with the second nut.
Preferably, the central axes of the valve body and the central axes of valve seat are overlapped, and the inlet channel of the valve body is from low Liquid outlet channel to height, the valve body is from high to low.
Preferably, the one end side of the valve seat offers O connected in star, and the valve seat is made up of O connected in star and O-ring Snap-in structure.
Preferably, the inner hub location of the flap is provided with pilot valve, and the pilot valve is the conical surface and spherical surface metal Sealing.
Preferably, be evenly distributed with spring energy-storage sealing ring on the outside of the valve rod and valve deck junction, the valve rod and Spring energy-storage sealing ring fits closely, and the valve rod one end side is provided with sliding slot.
Preferably, the stop screw is arranged in the sliding slot of valve rod side through changing-over head, outside the stop screw Portion's size is identical with the sliding slot inside dimension of valve rod side, and the valve rod, which passes through to constitute between sliding slot and stop screw, to be slided up and down Structure.
Compared with prior art, the utility model has the beneficial effects that the novel high-pressure heavy caliber shut-off valve:
1. valve rod, valve deck and spring energy-storage sealing ring are provided with, because being provided with spring energy-storage at valve rod and valve deck cooperation Sealing ring makes sealed reliable between valve rod and valve deck, reduces the unlatching moment of valve, is easy to open valve;
2. being provided with stop screw, under the action of stop screw and valve rod one end sliding slot, stop screw is made to make valve rod only It moves up and down, effectively prevent valve rod rotation without moving up and down, guarantee the reliability of valve working;
3. be provided with pilot valve, after valve rod rising, pilot valve is first opened, after making valve body pressure reduction, convenient for flap with The opening of valve seat reduces the unlatching moment of valve;
4. being provided with valve body, flap and valve seat are opened, and make internal circulation of the liquid in one end channel of valve body in valve body, liquid The flow direction of body is height into lower, and such setting makes when being closed to valve, more laborsaving.
Detailed description of the invention
Fig. 1 is the utility model main view semi-section structural schematic diagram;
Fig. 2 is partial enlargement structural representation at A in the utility model Fig. 1;
Fig. 3 is partial enlargement structural representation at B in the utility model Fig. 1.
In figure: 1, valve body, 2, valve seat, 3, flap, 4, valve rod, 5, valve deck, 6, spring energy-storage sealing ring, the 7, first nut, 8, gland, 9, crossover sub, the 10, first bolt, the 11, second nut, 12, turbine head, 13, indicating arm, 14, limit spiral shell Nail, 15, rotation stopping screw, the 16, second stud, 17, stop-leak compound injection valve, 18, middle flange seal ring, 19, O-ring, 20, guide Valve.
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.
Fig. 1-3 is please referred to, the utility model provides a kind of technical solution: a kind of novel high-pressure heavy caliber shut-off valve, including Valve body 1, valve seat 2, flap 3, valve rod 4, valve deck 5, spring energy-storage sealing ring 6, the first nut 7, gland 8, crossover sub 9, First bolt 10, the second nut 11, turbine head 12, indicating arm 13, stop screw 14, rotation stopping screw 15, the second stud 16, sealing The side of rouge injection valve 17, middle flange seal ring 18, O-ring 19 and pilot valve 20, the valve body 1 is provided with valve deck 5, far from valve The side of the valve deck 5 of body 1 is provided with changing-over head 9, and one end of the changing-over head 9 far from valve deck 5 is provided with turbine head 12, Indicating arm 13 is provided on the turbine head 12, wherein
The inside of the valve body 1 is equipped with valve seat 2, and O-ring 19, the valve seat are provided between the valve body 1 and valve seat 2 2 one end is provided with flap 3, and 3 internal vertical of flap is provided through valve rod 4, close to the one of the valve rod 4 of flap 3 End is provided with pilot valve 20, and the pilot valve 20 is mounted on the inside of flap 3, close to one end setting of the valve body 1 of valve deck 5 There is middle flange seal ring 18;
The valve deck 5 is internally provided with spring energy-storage sealing ring 6, and the inside of the spring energy-storage sealing ring 6 is provided with Valve rod 4, the valve rod 4 extend vertically through valve deck 5, and the side both ends of the valve deck 5 are provided with the first nut 7, first nut 7 Inside connect the second stud 16, second stud 16 is connected through valve deck 5 with valve body 1, and inside one end of the valve deck 5 is set It is equipped with gland 8, the side of the valve deck 5 is provided with stop-leak compound injection valve 17;
One end two sides close to the changing-over head 9 of valve deck 5 are provided with rotation stopping screw 15, the changing-over far from valve deck 5 First 9 one end two sides are provided with stop screw 14, and first bolt 10 is connected through changing-over head 9 with turbine head 12, and described the The side of one bolt 10 is provided with the second nut 11.
Working principle: when using the novel high-pressure heavy caliber shut-off valve, first by the both ends fluid passage of valve body 1 and outside Adapter tube road is connected, the connection of finishing device and external device, when use device, is arranged by rotating device one end side Crank is risen by the thread belt ovable valve stem 4 that crank side is arranged, because being provided with spring energy-storage at valve rod 4 and 5 cooperation of valve deck Sealing ring 6 makes sealed reliable between valve rod 4 and valve deck 5, reduces the unlatching moment of valve, and in the work of stop screw 14 Under, make stop screw 14 that valve rod 4 be made only to move up and down, effectively prevent the rotation of valve rod 4 without moving up and down, guarantee valve work The reliability of work, after the rising of valve rod 4, pilot valve 20 is first opened, after making 1 pressure reduction of valve body, convenient for flap 3 and valve seat 2 It opens, reduces the unlatching moment of valve, then proceeding to rotation crank rises valve rod 4, and then opens flap 3 and valve seat 2, Make the liquid in one end channel of valve body 1 in the internal circulation of valve body 1, the flow direction of liquid is height into lower, and such setting makes More laborsaving when closure to valve, the content being not described in detail in this explanation belongs to this field professional technique people The prior art well known to member.
Although the utility model is described in detail with reference to the foregoing embodiments, come for those skilled in the art Say, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic into Row equivalent replacement, within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on should all It is included within the scope of protection of this utility model.

Claims (6)

1. a kind of novel high-pressure heavy caliber shut-off valve, including valve body (1), valve deck (5), crossover sub (9), the first bolt (10) and Turbine head (12), it is characterised in that: the side of the valve body (1) is provided with valve deck (5), the valve deck (5) far from valve body (1) Side be provided with changing-over head (9), one end of the changing-over head (9) far from valve deck (5) is provided with turbine head (12), the whirlpool Indicating arm (13) are provided in wheel head (12), wherein
The inside of the valve body (1) is equipped with valve seat (2), is provided with O-ring (19), institute between the valve body (1) and valve seat (2) The one end for stating valve seat (2) is provided with flap (3), and flap (3) internal vertical is provided through valve rod (4), close to flap (3) One end of the valve rod (4) be provided with pilot valve (20), the pilot valve (20) is mounted on the inside of flap (3), close to valve The one end for the valve body (1) for covering (5) is provided with middle flange seal ring (18);
The valve deck (5) is internally provided with spring energy-storage sealing ring (6), the inside setting of the spring energy-storage sealing ring (6) Having valve rod (4), the valve rod (4) extends vertically through valve deck (5), and the side both ends of the valve deck (5) are provided with the first nut (7), The inside of first nut (7) connects the second stud (16), and second stud (16) runs through valve deck (5) and valve body (1) phase Even, inside one end of the valve deck (5) is provided with gland (8), and the side of the valve deck (5) is provided with stop-leak compound injection valve (17);
One end two sides close to the changing-over head (9) of valve deck (5) are provided with rotation stopping screw (15), described far from valve deck (5) One end two sides of changing-over head (9) are provided with stop screw (14), and first bolt (10) runs through changing-over head (9) and turbine head (12) it is connected, the side of first bolt (10) is provided with the second nut (11).
2. a kind of novel high-pressure heavy caliber shut-off valve according to claim 1, it is characterised in that: in the valve body (1) The central axes of axis and valve seat (2) are overlapped, and the inlet channel of the valve body (1) is that from low to high, the valve body (1) goes out liquid Mouth channel is from high to low.
3. a kind of novel high-pressure heavy caliber shut-off valve according to claim 1, it is characterised in that: the one of the valve seat (2) End side surface offers O connected in star, and the valve seat (2) constitutes snap-in structure by O connected in star and O-ring (19).
4. a kind of novel high-pressure heavy caliber shut-off valve according to claim 1, it is characterised in that: the flap (3) it is interior Portion center is provided with pilot valve (20), and the pilot valve (20) is the conical surface and spherical surface metal sealing.
5. a kind of novel high-pressure heavy caliber shut-off valve according to claim 1, it is characterised in that: the valve rod (4) and valve Lid is evenly distributed with spring energy-storage sealing ring (6) on the outside of (5) junction, and the valve rod (4) and spring energy-storage sealing ring (6) are tight Closely connected conjunction, valve rod (4) one end side are provided with sliding slot.
6. a kind of novel high-pressure heavy caliber shut-off valve according to claim 1, it is characterised in that: the stop screw (14) It is arranged in the sliding slot of valve rod (4) side through changing-over head (9), the external dimensions of the stop screw (14) and valve rod (4) side The sliding slot inside dimension in face is identical, and the valve rod (4), which passes through to constitute between sliding slot and stop screw (14), slides up and down structure.
CN201822147299.XU 2018-12-20 2018-12-20 A kind of novel high-pressure heavy caliber shut-off valve Active CN209725217U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201822147299.XU CN209725217U (en) 2018-12-20 2018-12-20 A kind of novel high-pressure heavy caliber shut-off valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201822147299.XU CN209725217U (en) 2018-12-20 2018-12-20 A kind of novel high-pressure heavy caliber shut-off valve

Publications (1)

Publication Number Publication Date
CN209725217U true CN209725217U (en) 2019-12-03

Family

ID=68677340

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201822147299.XU Active CN209725217U (en) 2018-12-20 2018-12-20 A kind of novel high-pressure heavy caliber shut-off valve

Country Status (1)

Country Link
CN (1) CN209725217U (en)

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