CN206816826U - Novel high-temperature high-pressure gauge valve - Google Patents
Novel high-temperature high-pressure gauge valve Download PDFInfo
- Publication number
- CN206816826U CN206816826U CN201720309133.6U CN201720309133U CN206816826U CN 206816826 U CN206816826 U CN 206816826U CN 201720309133 U CN201720309133 U CN 201720309133U CN 206816826 U CN206816826 U CN 206816826U
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- hole
- valve
- bonnet
- screw thread
- gland
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- 239000000945 filler Substances 0.000 claims abstract description 28
- 238000007789 sealing Methods 0.000 claims abstract description 23
- 239000002184 metal Substances 0.000 claims abstract description 4
- 210000004907 gland Anatomy 0.000 claims description 43
- 238000012856 packing Methods 0.000 claims description 6
- 239000011148 porous material Substances 0.000 claims description 6
- 230000013011 mating Effects 0.000 claims description 3
- 239000007769 metal material Substances 0.000 claims description 3
- 230000008676 import Effects 0.000 claims 1
- 230000010354 integration Effects 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
- 238000010276 construction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011799 hole material Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000002688 persistence Effects 0.000 description 1
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- Details Of Valves (AREA)
Abstract
The utility model provides a kind of Novel high-temperature high-pressure gauge valve, its structure is novel, valve body is forged using integration, forced bonnet and nut check and metal hard-sealing and material filling type soft sealing structure, central coaxial is good, and overall sealing performance is excellent, significantly improves the firm stability of total and reliable security performance, sealing property more ensures that service life is longer.Excellent unlatching terminates back seal performance, ensures in valve, just in case under the situation of filler position wear and leakage, to also ensure that to be not in leakage.
Description
Technical field
It the utility model is related to nuclear power equipment automation control system, the keying of liquid or gas in all kinds of instrumentation pipelines
With control device.
Background technology
The structure of wide variety of gauge valve is mostly general ordinary construction, and the core level gauge valve in nuclear power equipment,
Due to requiring that service life reaches 60 years under with high temperature, high pressure and high radiation medium state, so high temperature resistant to valve,
High pressure, the sealing property under high radiation position, resistance to persistence energy, handling, security performance are all most important.
Utility model content
The utility model proposes a kind of Novel high-temperature high-pressure gauge valve regarding to the issue above, significantly improves total
Firm stability and reliable security performance, sealing property more ensures that service life is longer.
Specific technical scheme is as follows：
Novel high-temperature high-pressure gauge valve, including valve body, valve element, valve rod, bonnet, bonnet nut, metallic gasket, locknut,
Packing seat, filler, filler pressing sleeve, gland, gland nut, handle, interior hexagonal cylindrical end holding screw, wherein, valve element leads to
The mating reaction for crossing spool end and stem lower portion fixing hole is rotatably arranged on valve rod, and bonnet fit is arranged on outside valve rod
Portion, load Packing seat, filler and filler pressing sleeve, gland pretension between bonnet and valve rod successively from bottom to top and be arranged on filler
Above gland, gland is coordinated by screw thread to be fixed between bonnet internal thread m1 and threaded stem, makes the outer of stem lower portion
Oblique angle step is pressed together on the edge of the screw thread transitional pore of gland；Bonnet is by bonnet nut and the external screw thread M1 on valve body top
With in the interior step for merging press-in valve body top, there is metallic gasket between the interior step and bonnet nut on valve body top, and lead to
Cross bonnet nut and compress sealing, bonnet nut top is coordinated by the external screw thread M2 of locknut and bonnet compresses locking；Filler and valve
Soft seal is formed between cap bore wall and valve rod, gland nut with the external screw thread M2 of bonnet cooperations, fastening by locking gland；
Handle is fixed on valve rod, and it is fixed that interior hexagonal cylindrical end holding screw tightens with the side plane of valve rod top one；Rotational handle drives valve
Bar rotates, and realizes being turned on and off for valve, when opening valve, which is further continued for opening, arrives final position, the outer oblique angle platform of stem lower portion
Rank closes with gland lower end bore edges, realizes the back seal of valve.
Above-mentioned Novel high-temperature high-pressure gauge valve, wherein, the valve body is process by an integral metal material, valve body top
Provided with external screw thread M1 and the first blind hole being coaxially disposed with external screw thread M1, the top of the first blind hole is step in one, interior step
Bottom is primary sealing area a, and the middle part of the first blind hole is valve pocket hole, and the bottom of the first blind hole is valve seat orifice, valve seat orifice and valve
The inlet hole of entrance point communicates, and has the outlet opening thereof of an inclined hole and the port of export in valve pocket hole；Inlet hole and outlet opening have
One section of expanded hole, welded for pipeline spigot-and-socket；The diagonal symmetric position of body base is provided with 2 fixed internal threads, for installing
It is fixed；External screw thread M1 coordinates with bonnet nut, and the middle round platform rank of interior step and bonnet coordinates, the roundlet step of valve pocket hole and bonnet
Coordinate, be metal sealing between the primary sealing area a of interior step bottom and the secondary sealing area A of the middle round platform rank of bonnet.
Above-mentioned Novel high-temperature high-pressure gauge valve, wherein, there are three step cutting patterns one end from small to large outside the bonnet, its
The valve pocket hole of medium and small round outer diameter of step and valve body coordinates, and the interior step of middle round outer diameter of step and valve body coordinates, great circle step and valve
The inwall of box nut coordinates, and the A faces of middle round platform rank are secondary sealing area, and the B faces of middle round platform rank are the first thrust face, great circle step
Top be external screw thread M2, external screw thread M2 coordinates with gland nut；It is sequentially provided with bonnet and is coaxially disposed with bonnet from bottom to top
First through hole, the second through hole, third through-hole, the end face and the end face of roundlet step of first through hole be flush, first through hole
Internal diameter is respectively less than the internal diameter of the second through hole and third through-hole, and the second through hole coordinates with filler and filler pressing sleeve, and third through-hole is provided with
The external screw thread M3 of internal thread m1, internal thread m1 and gland coordinates.
Above-mentioned Novel high-temperature high-pressure gauge valve, wherein, the fourth hole that is coaxially disposed and the are provided with the gland
Five through holes, fourth hole are located at the top of fifth hole, are provided with internal thread m2 in fourth hole, internal thread m2 matches somebody with somebody with threaded stem
Close, fifth hole is screw thread transitional pore；External screw thread M3 is provided with outside gland, there are escape, external screw thread in external screw thread M3 roots
A circle cylinder projection is provided with above M3, the C faces of cylinder and cylindrical outer wall coordinate with gland nut inwall bottom.
Above-mentioned Novel high-temperature high-pressure gauge valve, wherein, the 6th through hole is provided with the bonnet nut, the 6th through hole is provided with
Second step is provided with the top of internal thread m3, internal thread m3, second step b faces are the second thrust face.
The beneficial effects of the utility model are：
1st, the utility model is simple in construction, and central coaxial is good, and overall sealing performance is excellent, and operation is light.
2nd, using forced bonnet and locking mechanism, make overall structure firmer, stably, improve anti-seismic performance, safety
Reliably.
3rd, excellent unlatching terminates back seal performance, ensures under the situation of valve contingency filler position wear and leakage,
It can ensure that to be not in leakage.
Brief description of the drawings
Fig. 1 is the utility model sectional structure chart.
Fig. 2 is the structure chart of valve body.
Fig. 3 is Fig. 2 left view.
Fig. 4 is Fig. 2 upward view.
Fig. 5 is the profile of bonnet.
Fig. 6 is the profile of gland.
Fig. 7 is the structure chart of bonnet nut.
Embodiment
To make the technical solution of the utility model become apparent from clearly, below in conjunction with the accompanying drawings entering the utility model traveling one
Step description, any scheme drawn to the technical characteristic progress equivalencing of technical solutions of the utility model and conventional reasoning fall
Enter scope of protection of the utility model.
Reference
Handle 1, interior hexagonal cylindrical end holding screw 2, gland 3, gland nut 4, valve rod 5, filler pressing sleeve 6, locknut
7th, filler 8, bonnet 9, bonnet nut 10, valve element 11, valve body 12, metallic gasket 13, Packing seat 14, fixing hole 15, first are blind
Hole 16, interior step 17, valve pocket hole 18, valve seat orifice 19, inlet hole 20, inclined hole 21, outlet opening 22, expanded hole 23, fixed internal thread
24th, roundlet step 25, middle round platform rank 26, great circle step 27, first through hole 28, the second through hole 29, third through-hole 30, fourth hole
31st, fifth hole 32, escape 33, cylinder projection 34, the 6th through hole 35, second step 36.
A kind of Novel high-temperature high-pressure gauge valve as shown in the figure, including valve body 12, valve element 11, valve rod 5, bonnet 9, bonnet nut
10th, metallic gasket 13, locknut 7, Packing seat 14, filler 8, filler pressing sleeve 6, gland 3, gland nut 4, handle 1, interior six
Angle cylinder end clamping fixed screw 2, wherein, valve element is set by the way that the mating reaction of spool end and stem lower portion fixing hole 15 is rotatable
Put on valve rod, bonnet fit is arranged on stem exterior, between bonnet and valve rod from bottom to top successively load Packing seat, filler and
Filler pressing sleeve, gland pretension are arranged on above filler pressing sleeve, and gland is coordinated by screw thread is fixed on bonnet internal thread
Between m1 and threaded stem, make stem lower portion outer oblique angle step be pressed together on gland screw thread transitional pore edge；Valve
Lid is matched somebody with somebody in the interior step for merging press-in valve body top by bonnet nut with the external screw thread M1 on valve body top, the interior step on valve body top
There is metallic gasket between bonnet nut, and compressed and sealed by bonnet nut, bonnet nut top passes through locknut and bonnet
External screw thread M2 coordinate compress locking；Form soft seal between filler and bonnet hole wall and valve rod, gland nut by with bonnet
External screw thread M2 coordinate, fastening locking gland；Handle is fixed on valve rod, on interior hexagonal cylindrical end holding screw and valve rod
The side plane of portion one tightens fixed；Rotational handle band ovable valve stem rotates, and realizes being turned on and off for valve, is further continued for out when opening valve
When opening final position, the outer oblique angle step of stem lower portion closes with gland lower end bore edges, realizes the back seal of valve.
The valve body is process by an integral metal material, and valve body top is provided with external screw thread M1 and same with external screw thread M1
The first blind hole 16 that axle is set, the top of the first blind hole is step 17 in one, and interior step bottom is primary sealing area a, and first is blind
The middle part in hole is valve pocket hole 18, and the bottom of the first blind hole is valve seat orifice 19, and valve seat orifice communicates with the inlet hole 20 at valve inlet end,
There is an inclined hole 21 to be connected with the outlet opening 22 of the port of export in valve pocket hole；Inlet hole and outlet opening have one section of expanded hole 23, use
Welded in pipeline spigot-and-socket；The diagonal symmetric position of body base is provided with 2 fixed internal threads 24, for installing fixation；External screw thread
M1 coordinates with bonnet nut, and the middle round platform rank of interior step and bonnet coordinates, and the roundlet step of valve pocket hole and bonnet coordinates, interior step
It is metal sealing between the primary sealing area a of bottom and the secondary sealing area A of the middle round platform rank of bonnet.
There are three step cutting patterns, the wherein valve pocket of the external diameter of roundlet step 25 and valve body in one end from small to large outside the bonnet
Hole coordinates, and the interior step of the middle external diameter of round platform rank 26 and valve body coordinates, and great circle step 27 and the inwall of bonnet nut coordinate, middle round platform
The A faces of rank are secondary sealing area, and the B faces of middle round platform rank are the first thrust face, and the top of great circle step is external screw thread M2, external screw thread
M2 coordinates with gland nut；Be sequentially provided with from bottom to top in bonnet the first through hole 28 being coaxially disposed with bonnet, the second through hole 29,
Third through-hole 30, the end face and the end face of roundlet step of first through hole are flush, and the internal diameter of first through hole is respectively less than the second through hole
With the internal diameter of third through-hole, the second through hole and filler and filler pressing sleeve coordinate, and third through-hole is provided with internal thread m1, internal thread m1 and
The external screw thread M3 of gland coordinates.
The fourth hole 31 and fifth hole 32 being coaxially disposed are provided with the gland, fourth hole is logical positioned at the 5th
The top in hole, fourth hole is interior to be provided with internal thread m2, and internal thread m2 coordinates with threaded stem, and fifth hole is screw thread transitional pore；
External screw thread M3 is provided with outside gland, there is escape 33 external screw thread M3 roots, and a circle cylinder projection is provided with above external screw thread M3
34, the C faces of cylinder and cylindrical outer wall coordinate with gland nut inwall bottom.
The 6th through hole 35 is provided with the bonnet nut, the 6th through hole is provided with internal thread m3, is provided with the top of internal thread m3
Second step 36, second step b faces are the second thrust face.
Claims (5)
1. Novel high-temperature high-pressure gauge valve, including valve body, valve element, valve rod, bonnet, bonnet nut, metallic gasket, locknut, fill out
Backing strap, filler, filler pressing sleeve, gland, gland nut, handle, interior hexagonal cylindrical end holding screw, it is characterized in that, valve element
It is rotatably arranged on by the mating reaction of spool end and stem lower portion fixing hole on valve rod, bonnet fit is arranged on valve rod
Outside, load Packing seat, filler and filler pressing sleeve between bonnet and valve rod successively from bottom to top, gland pretension, which is arranged on, to be filled out
Expect above gland, gland is coordinated by screw thread to be fixed between bonnet internal thread m1 and threaded stem, makes stem lower portion
Outer oblique angle step is pressed together on the edge of the screw thread transitional pore of gland；Bonnet is by bonnet nut and the external screw thread on valve body top
M1 has metallic gasket with the interior step for merging press-in valve body top between the interior step and bonnet nut on valve body top, and
Compressed and sealed by bonnet nut, bonnet nut top is coordinated by the external screw thread M2 of locknut and bonnet compresses locking；Filler with
Soft seal is formed between bonnet hole wall and valve rod, gland nut with the external screw thread M2 of bonnet cooperations, fastening by locking filler pressure
Lid；Handle is fixed on valve rod, and it is fixed that interior hexagonal cylindrical end holding screw tightens with the side plane of valve rod top one；Rotational handle drives
Valve rod rotates, and realizes being turned on and off for valve, when opening valve, which is further continued for opening, arrives final position, the outer oblique angle of stem lower portion
Step closes with gland lower end bore edges, realizes the back seal of valve.
2. Novel high-temperature high-pressure gauge valve as claimed in claim 1, it is characterized in that, the valve body is added by an integral metal material
Work forms, and valve body top is provided with external screw thread M1 and the first blind hole being coaxially disposed with external screw thread M1, and the top of the first blind hole is
Step in one, interior step bottom are primary sealing area a, and the middle part of the first blind hole is valve pocket hole, and the bottom of the first blind hole is valve seat
Hole, valve seat orifice communicate with the inlet hole at valve inlet end, there is the outlet opening thereof of an inclined hole and the port of export in valve pocket hole；Import
Hole and outlet opening have one section of expanded hole, are welded for pipeline spigot-and-socket；The diagonal symmetric position of body base is provided with 2 fixations
Screw thread, for installing fixation；External screw thread M1 and bonnet nut coordinate, and the middle round platform rank of interior step and bonnet coordinates, valve pocket hole with
The roundlet step of bonnet coordinates, and is between the primary sealing area a of interior step bottom and the secondary sealing area A of the middle round platform rank of bonnet
Metal sealing.
3. Novel high-temperature high-pressure gauge valve as claimed in claim 1, it is characterized in that, from small to large there is one end outside the bonnet
The valve pocket hole of three step cutting patterns, wherein roundlet outer diameter of step and valve body coordinates, and the interior step of middle round outer diameter of step and valve body is matched somebody with somebody
Close, the inwall of great circle step and bonnet nut coordinates, and the A faces of middle round platform rank are secondary sealing area, and the B faces of middle round platform rank are first
Thrust face, the top of great circle step is external screw thread M2, and external screw thread M2 coordinates with gland nut；It is sequentially provided with from bottom to top in bonnet
The first through hole that is coaxially disposed with bonnet, the second through hole, third through-hole, the end face and the end face of roundlet step of first through hole are mutually neat
Flat, the internal diameter of first through hole is respectively less than the internal diameter of the second through hole and third through-hole, and the second through hole coordinates with filler and filler pressing sleeve,
Third through-hole is provided with internal thread m1, the external screw thread M3 cooperations of internal thread m1 and gland.
4. Novel high-temperature high-pressure gauge valve as claimed in claim 1, it is characterized in that, it is provided with and is coaxially disposed in the gland
Fourth hole and fifth hole, fourth hole is located at the top of fifth hole, internal thread m2, internal thread is provided with fourth hole
M2 coordinates with threaded stem, and fifth hole is screw thread transitional pore；External screw thread M3 is provided with outside gland, external screw thread M3 roots have
Escape, external screw thread M3 tops are provided with a circle cylinder projection, and the C faces of cylinder and cylindrical outer wall are matched somebody with somebody with gland nut inwall bottom
Close.
5. Novel high-temperature high-pressure gauge valve as claimed in claim 1, it is characterized in that, it is logical that the 6th is provided with the bonnet nut
Hole, the 6th through hole are provided with internal thread m3, are provided with second step at the top of internal thread m3, second step b faces are the second thrust face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720309133.6U CN206816826U (en) | 2017-03-28 | 2017-03-28 | Novel high-temperature high-pressure gauge valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720309133.6U CN206816826U (en) | 2017-03-28 | 2017-03-28 | Novel high-temperature high-pressure gauge valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206816826U true CN206816826U (en) | 2017-12-29 |
Family
ID=60752994
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720309133.6U Active CN206816826U (en) | 2017-03-28 | 2017-03-28 | Novel high-temperature high-pressure gauge valve |
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| Country | Link |
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| CN (1) | CN206816826U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106870740A (en) * | 2017-03-28 | 2017-06-20 | 江苏星河阀门有限公司 | Novel high-temperature high-pressure gauge valve |
-
2017
- 2017-03-28 CN CN201720309133.6U patent/CN206816826U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106870740A (en) * | 2017-03-28 | 2017-06-20 | 江苏星河阀门有限公司 | Novel high-temperature high-pressure gauge valve |
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