CN206468818U - New low pressure self-sealing structure Y-shaped cut-off valve of divulging a secret - Google Patents

New low pressure self-sealing structure Y-shaped cut-off valve of divulging a secret Download PDF

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Publication number
CN206468818U
CN206468818U CN201621384995.7U CN201621384995U CN206468818U CN 206468818 U CN206468818 U CN 206468818U CN 201621384995 U CN201621384995 U CN 201621384995U CN 206468818 U CN206468818 U CN 206468818U
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China
Prior art keywords
valve
valve body
filler
divulging
low pressure
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CN201621384995.7U
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Chinese (zh)
Inventor
聂祥
李凯
顾岳清
蒋尧生
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Jiangyin Dongfang Valve Co Ltd
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Jiangyin Dongfang Valve Co Ltd
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Priority to CN201621384995.7U priority Critical patent/CN206468818U/en
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Abstract

The utility model is related to valve technology field, disclose new low pressure self-sealing structure Y-shaped cut-off valve of divulging a secret, including valve body, support, transmission device, intraware, together with valve body is bolted to connection with support, transmission device is arranged at the inside of support, intraware includes flap component, valve rod, filler assembly, seal assembly, terminal pad, terminal pad is arranged between valve body and support, filler assembly is arranged on valve inner by terminal pad, flap component is fixedly mounted on valve rod one end, the endoporus being adapted with valve rod external diameter is provided with the middle of filler assembly, valve rod is sealingly mounted in valve body through endoporus by filler assembly, seal assembly is arranged on the outer wall of filler assembly, filler assembly is provided with three guiding ribs by the position that seal assembly is sealed in valve body inner valve body interior lower end with flap component is connected, flap is spacing in valve body by guiding rib, guiding rib carries out spacing be oriented to flap component, prevent that operationally flap occurs acutely to wave valve.

Description

New low pressure self-sealing structure Y-shaped cut-off valve of divulging a secret
Technical field
The utility model is related to valve technology field, more particularly to new low pressure self-sealing structure Y-shaped cut-off valve of divulging a secret.
Background technology
Y-shaped cut-off valve is used for high temperature and high pressure condition, and based on self sealing structure.Because medium violent ripple in valve pocket It is dynamic, cause valve rod vibrations to wave, loosen filler, valve leak.When HTHP Y-shaped cut-off valve is used in poisonous or explosive work Under condition, it is possible to create very big harm, while valve is operationally, valve rod is easily pulled valve by larger vibration, impact Bar.
Therefore, it is necessary to design a kind of new low pressure self-sealing structure Y-shaped cut-off valve of divulging a secret.
Utility model content
In view of the shortcomings of the prior art, the utility model provides new low pressure self-sealing structure Y-shaped cut-off valve of divulging a secret, Including valve body, support, transmission device, intraware, together with the valve body is bolted to connection with support, the transmission Device is arranged at the inside of the support, and the intraware includes flap component, valve rod, filler assembly, seal assembly, connection Disk, the terminal pad is arranged between valve body and support, and the filler assembly is arranged on valve inner, institute by the terminal pad Flap component is stated to be fixedly mounted in the middle of described valve rod one end, the filler assembly in provided with being adapted with the valve rod external diameter Hole, the valve rod is sealingly mounted in valve body through the endoporus by filler assembly, and the seal assembly is arranged on described fill out On the outer wall for expecting component, the filler assembly is sealed in the valve body by the seal assembly,
The flap component includes flap, cushion block, valve clack cover, and the filler assembly includes stuffing box, filler base ring, filled out Material, filler pressing sleeve, hold-down grid, the hold-down grid are fixed on the valve body with the terminal pad by regulating bolt, institute Stating seal assembly includes sealing ring, pressure ring, pendant collet, and the seal assembly is embedded in the interior grooves of the valve body by pendant collet Interior location sealing,
The valve inner lower end is provided with three guiding ribs, three guiding with the position that the flap component is connected Muscle is evenly distributed on the body cavity in 120 °, and the flap is spacing in the valve body by the guiding rib.
Preferably, the valve clack cover, flap, the equal built-up welding cobalt base hard alloy in surface of valve body guiding rib.
Alternatively, disc spring device is increased in the regulating bolt for connecting the hold-down grid.
Specifically, the filler using sealing preferably because can nickel wire graphite packing.
Further, the valve rod forms 0.01mm heavy cases HV1250 using ionic nitriding technology on its surface.
Alternatively, the filler base ring coordinates with the valve rod for gap, the cooperation of the filler base ring and the valve rod Gap is 2mm.
New low pressure self-sealing structure Y-shaped cut-off valve of divulging a secret of the present utility model, has the advantages that:
1. new low pressure self-sealing structure Y-shaped cut-off valve of divulging a secret of the present utility model is using installed with built-in component form, valve body Guiding rib is internally provided with, spacing guiding is carried out to flap component, valve is prevented operationally, flap occurs acutely to wave.
2. the valve clack cover of new low pressure self-sealing structure Y-shaped cut-off valve of divulging a secret of the present utility model, flap, valve body is oriented to The equal built-up welding cobalt base hard alloy in muscle surface, wearability is high, can increase the service life.
3. new low pressure self-sealing structure Y-shaped cut-off valve of divulging a secret of the present utility model, by controlling filler base ring and valve The gap of bar, prevents valve rod from vibrating, so as to pull valve rod.
4. new low pressure self-sealing structure Y-shaped cut-off valve of divulging a secret of the present utility model, valve rod uses ionic nitriding technology, 0.01mm heavy case HV1250 are formed on its surface, hardened layer will not be peeled off, improve the wearability of valve rod.
5. new low pressure self-sealing structure Y-shaped cut-off valve of divulging a secret of the present utility model, filler use because can nickel wire stone Black filler, good airproof performance, corrosion resistance and good, while increasing butterfly spring in regulating bolt, to carry out damping to valve rod, improves valve Door job stability, reliability.
6. new low pressure self-sealing structure Y-shaped cut-off valve of divulging a secret of the present utility model, is effectively kept away using many kinds of measures The potential hidden danger for having a leakage point is exempted from, will not have been leaked because of applying working condition, it is adaptable to which hydrogen medium or toxic gas are situated between Matter, it is safe and reliable.
Brief description of the drawings
, below will be to institute in embodiment or description of the prior art in order to illustrate more clearly of the technical solution of the utility model The accompanying drawing needed to use is briefly described, it should be apparent that, drawings in the following description are only more of the present utility model Embodiment, for those of ordinary skill in the art, on the premise of not paying creative work, can also be attached according to these Figure obtains other accompanying drawings.
Fig. 1 is the structural representation of new low pressure self-sealing structure Y-shaped cut-off valve of divulging a secret of the present utility model;
In figure:1- valve bodies, 2- flaps, 3- cushion blocks, 4 valve clack covers, 5- valve rods, 6- stuffing boxes, 7- sealing rings, 8- pressure rings, 9- Pendant collet, 11- terminal pads, 12- supports, 13- filler base rings, 14- fillers, 15- filler pressing sleeves, 16- hold-down grids, 22- regulations Bolt, 29- transmission devices.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the premise of creative work Lower obtained every other embodiment, belongs to the scope of the utility model protection.
As shown in figure 1, the utility model provides new low pressure self-sealing structure Y-shaped cut-off valve of divulging a secret, including valve body 1st, support 12, transmission device 29, intraware, together with the valve body 1 is bolted to connection with support 12, the transmission Device 29 is arranged at the inside of the support, and the intraware includes flap component, valve rod 5, filler assembly, seal assembly, Terminal pad 11, the terminal pad 11 is arranged between valve body 1 and support 12, and the filler assembly is installed by the terminal pad 11 Inside valve body 1, the flap component is fixedly mounted in the middle of described one end of valve rod 5, the filler assembly and is provided with and the valve The adaptable endoporus of the external diameter of bar 5, the valve rod 5 is sealingly mounted in valve body 1 through the endoporus by filler assembly, described close Sealing assembly is arranged on the outer wall of the filler assembly, and the filler assembly is sealed in the valve body 1 by the seal assembly It is interior,
The flap component includes flap 2, cushion block 3, valve clack cover 4, and the filler assembly includes stuffing box 6, filler base ring 13rd, filler 14, filler pressing sleeve 15, hold-down grid 16, the hold-down grid 16 are solid by regulating bolt 22 with the terminal pad 11 It is scheduled on the valve body 1, the seal assembly includes sealing ring 7, pressure ring 8, pendant collet 9, the seal assembly passes through pendant collet 9 Location sealing in the interior grooves of the valve body 1 is embedded in,
The interior lower end of valve body 1 is provided with three guiding ribs 10, described three with the position that the flap component is connected Guiding rib 10 is evenly distributed on the body cavity in 120 °, and the flap 2 is spacing in the valve body 1 by the guiding rib 10 It is interior.
The valve clack cover 4, flap 2, the equal built-up welding cobalt base hard alloy in surface of valve body guiding rib 10.
Connect increase disc spring device in the regulating bolt of the hold-down grid 16.
The filler 14 is using sealing preferably because can nickel wire graphite packing.
The valve rod 5 forms 0.01mm heavy cases HV1250 using ionic nitriding technology on its surface.
The filler base ring 13 coordinates with the valve rod 5 for gap, between the cooperation of the filler base ring 13 and the valve rod 5 Gap is 2mm.
New low pressure self-sealing structure Y-shaped cut-off valve of divulging a secret of the present utility model, has the advantages that:
1. new low pressure self-sealing structure Y-shaped cut-off valve of divulging a secret of the present utility model is using installed with built-in component form, valve body Guiding rib is internally provided with, spacing guiding is carried out to flap component, valve is prevented operationally, flap occurs acutely to wave.
2. the valve clack cover of new low pressure self-sealing structure Y-shaped cut-off valve of divulging a secret of the present utility model, flap, valve body is oriented to The equal built-up welding cobalt base hard alloy in muscle surface, wearability is high, can increase the service life.
3. new low pressure self-sealing structure Y-shaped cut-off valve of divulging a secret of the present utility model, by controlling filler base ring and valve The gap of bar, prevents valve rod from vibrating, so as to pull valve rod.
4. new low pressure self-sealing structure Y-shaped cut-off valve of divulging a secret of the present utility model, valve rod uses ionic nitriding technology, 0.01mm heavy case HV1250 are formed on its surface, hardened layer will not be peeled off, improve the wearability of valve rod.
5. new low pressure self-sealing structure Y-shaped cut-off valve of divulging a secret of the present utility model, filler use because can nickel wire stone Black filler, good airproof performance, corrosion resistance and good, while increasing butterfly spring in regulating bolt, to carry out damping to valve rod, improves valve Door job stability, reliability.
6. new low pressure self-sealing structure Y-shaped cut-off valve of divulging a secret of the present utility model, is effectively kept away using many kinds of measures The potential hidden danger for having a leakage point is exempted from, will not have been leaked because of applying working condition, it is adaptable to which hydrogen medium or toxic gas are situated between Matter, it is safe and reliable.
Described above is preferred embodiment of the present utility model, it is noted that for the ordinary skill of the art For personnel, on the premise of the utility model principle is not departed from, some improvements and modifications can also be made, these improve and moistened Decorations are also considered as protection domain of the present utility model.

Claims (6)

1. new low pressure self-sealing structure Y-shaped cut-off valve of divulging a secret, it is characterised in that including valve body(1), support(12), transmission Device(29), intraware, the valve body(1)With support(12)It is bolted to connection together, the transmission device (29)The inside of the support is arranged at, the intraware includes flap component, valve rod(5), filler assembly, seal assembly, Terminal pad(11), the terminal pad(11)Installed in valve body(1)With support(12)Between, the filler assembly passes through the connection Disk(11)Installed in valve body(1)Inside, the flap component is fixedly mounted on the valve rod(5)In one end, the filler assembly Between be provided with and the valve rod(5)The adaptable endoporus of external diameter, the valve rod(5)Sealed and pacified by filler assembly through the endoporus Mounted in valve body(1)Interior, the seal assembly is arranged on the outer wall of the filler assembly, and the filler assembly passes through the sealing Component is sealed in the valve body(1)It is interior,
The flap component includes flap(2), cushion block(3), valve clack cover(4), the filler assembly include stuffing box(6), filler Base ring(13), filler(14), filler pressing sleeve(15), hold-down grid(16), the hold-down grid(16)With the terminal pad(11) Pass through regulating bolt(22)It is fixed on the valve body(1)On, the seal assembly includes sealing ring(7), pressure ring(8), pendant collet (9), the seal assembly passes through pendant collet(9)It is embedded in the valve body(1)Interior grooves in location sealing,
The valve body(1)Interior lower end is provided with three guiding ribs with the position that the flap component is connected(10), described three Guiding rib(10)The body cavity, the flap are evenly distributed in 120 °(2)Pass through the guiding rib(10)It is spacing in institute State valve body(1)It is interior.
2. new low pressure self-sealing structure Y-shaped cut-off valve of divulging a secret according to claim 1, it is characterised in that the valve Valve lid(4), flap(2), valve body guiding rib(10)The equal built-up welding cobalt base hard alloy in surface.
3. new low pressure self-sealing structure Y-shaped cut-off valve of divulging a secret according to claim 1 or 2, it is characterised in that connection The hold-down grid(16)Regulating bolt on increase disc spring device.
4. new low pressure self-sealing structure Y-shaped cut-off valve of divulging a secret according to claim 3, it is characterised in that described to fill out Material(14)Using sealing preferably because can nickel wire graphite packing.
5. new low pressure self-sealing structure Y-shaped cut-off valve of divulging a secret according to claim 4, it is characterised in that the valve Bar(5)0.01mm heavy cases HV1250 is formed on its surface using ionic nitriding technology.
6. the new low pressure self-sealing structure Y-shaped cut-off valve of divulging a secret according to claim 4 or 5, it is characterised in that described Filler base ring(13)With the valve rod(5)Coordinate for gap, the filler base ring(13)With the valve rod(5)Fit clearance be 2mm。
CN201621384995.7U 2016-12-16 2016-12-16 New low pressure self-sealing structure Y-shaped cut-off valve of divulging a secret Active CN206468818U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201621384995.7U CN206468818U (en) 2016-12-16 2016-12-16 New low pressure self-sealing structure Y-shaped cut-off valve of divulging a secret

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201621384995.7U CN206468818U (en) 2016-12-16 2016-12-16 New low pressure self-sealing structure Y-shaped cut-off valve of divulging a secret

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CN206468818U true CN206468818U (en) 2017-09-05

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108361395A (en) * 2018-04-23 2018-08-03 大连大高阀门股份有限公司 Major accident unloads pressure cutoff valve

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108361395A (en) * 2018-04-23 2018-08-03 大连大高阀门股份有限公司 Major accident unloads pressure cutoff valve

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