CN205504094U - Superhigh pressure check valve steel -casting - Google Patents
Superhigh pressure check valve steel -casting Download PDFInfo
- Publication number
- CN205504094U CN205504094U CN201620300958.7U CN201620300958U CN205504094U CN 205504094 U CN205504094 U CN 205504094U CN 201620300958 U CN201620300958 U CN 201620300958U CN 205504094 U CN205504094 U CN 205504094U
- Authority
- CN
- China
- Prior art keywords
- swing arm
- valve body
- installing rack
- installation cavity
- drive rod
- 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.)
- Active
Links
Landscapes
- Mechanically-Actuated Valves (AREA)
Abstract
The utility model discloses a superhigh pressure check valve steel -casting, including valve body, swing arm, valve clack and seal receptacle, be provided with the inner chamber in the valve body, this inner chamber divide into installation cavity, import chamber and outlet chamber, and in the installation cavity was stretched into to the swing arm upper end, the swing arm lower extreme was connected with the valve clack, and the welding is gone up to the sealed face of valve clack left end has one deck hard alloy layer, and is hard alloy layer's thickness 0.5 2mm, the valve body upper end is provided with the drive arrangement mounting bracket, vertically wears to be equipped with the actuating lever in the drive arrangement mounting bracket, and the actuating lever lower extreme is connected with the swing arm, and the actuating lever promotes the swing arm and rotates downwards to make on the valve clack hard alloy layer with sealed face on the valve body constitutes sealedly, the port is provided with valve clack location breach under the installation cavity, the seal receptacle cup joints on the actuating lever, and the surface of seal receptacle is sealed with the internal face constitution of installation cavity. Above -mentioned technical scheme, structural design is reasonable, easy operation, simple to operate, with low costs, safe and reliable, leakproofness are good.
Description
Technical field
The utility model relates to valve technology field, is specifically related to a kind of super-pressure check-valves steel-casting.
Background technology
At present, the high temperature high voltage resistant power station check-valves steel-casting structure of thermal power generation on market is the most complicated,
Its type is broadly divided into two kinds, a kind of be machinery shape check-valves steel-casting, need manually operated realize unidirectional
Circulation, another kind is the check-valves steel-casting of electronic type, by magnetic valve control realization one-way flow.Above-mentioned
The check-valves steel-casting cost of type is high, troublesome poeration, and misoperation easily occurs, and flap is at self
When closing under gravity there is the risk that cannot completely close in flap, and closes relatively slow, there is safety greatly hidden
Suffer from.
Summary of the invention
The deficiency existed for prior art, the purpose of this utility model be to provide a kind of reasonable in design,
Simple to operate, easy for installation, low cost, safe and reliable, the super-pressure check-valves steel-casting of good airproof performance.
For achieving the above object, the utility model provides following technical scheme: a kind of super-pressure check-valves is cast
Steel part, including valve body, swing arm, flap and seal receptacle, is provided with inner chamber in described valve body, and this inner chamber is divided into peace
Behave affectedly, snout cavity and outlet plenum, wherein snout cavity and outlet plenum are positioned at the left and right sides of installation cavity, described pendulum
Arm upper end is stretched in installation cavity, and swing arm lower end is connected with flap, and described flap left end sealing surface is welded with one
Layer hard alloy layer, the thickness of described hard alloy layer is 0.5-2mm；Described valve body upper end is provided with driving dress
Put installing rack, in described driving means installing rack, be longitudinally equipped with drive rod, described drive rod lower end and swing arm
Connecting, described drive rod promotes swing arm to rotate down, so that the hard alloy layer on flap and described valve body
On sealing surface constitute seal, described installation cavity lower port is provided with flap locating notch, described sealed socket sleeve
It is connected on drive rod, and the internal face of the outer surface of seal receptacle and installation cavity constitutes sealing.
By using technique scheme, after the left end sealing surface of flap welds hard alloy layer, sealing surface
Hardness is high, wear-resisting, high temperature resistant, corrosion-resistant, antifraying property is good, and service life is long；Flap is at self weight
Can quick closedown sealing, good airproof performance under power and drive rod effect, it is ensured that product open soon and quick closing valve is wanted
Asking, reasonable in design, simple to operate, easy for installation, low cost, safe and reliable, practicality good.
The utility model is further arranged to: described installation cavity internal face is wholely set near swing arm top position
There is locating convex block, described locating convex block is provided with a swing arm installing rack, vertical in the middle part of described swing arm installing rack
To being provided with a drive rod movable span, described swing arm installing rack lower-left end has been wholely set one piece of swing arm and has connected
Plate, described swing arm upper end is hinged with swing arm connecting plate, described swing arm installing rack is equipped with several and connects spiral shell
Nail, swing arm installing rack is connected fixing by attachment screw with locating convex block.By this setting, swing arm mounting or dismounting side
Just, connecting reliable, maintenance is easily.
The utility model is further arranged to: described driving means installing rack lower end is equipped with several locking
Bolt, described driving means installing rack is fixed with valve body upper end locking by clamping screw.By this setting,
Driving means installing rack is easy to connect with valve body, and fixing reliable, mounting or dismounting are simple.
The utility model is further arranged to: be wholely set one piece of drive rod on described swing arm right side even
Fishplate bar, described drive rod lower end is hinged with drive rod connecting plate.By this setting, drive rod is connected with swing arm
Reliably, easy to use.
The utility model is further arranged to: described valve body is positioned at snout cavity left position and has been wholely set one
Individual left adpting flange, is welded with several the first reinforcements between described left adpting flange right-hand member and valve outer surface
Muscle；Described valve body is positioned at outlet plenum right end position and has been wholely set a right adpting flange, described right connection method
It is welded with several the second reinforcements between blue left end and valve outer surface.By this setting, structure is arranged more
Adding rationally, more sturdy and durable, service life is long.
The utility model has the advantages that: compared with prior art, the utility model structure arranges more reasonable,
After welding hard alloy layer on the left end sealing surface of flap, sealing surface hardness is high, wear-resisting, high temperature resistant, corrosion resistant
Erosion, antifraying property good, service life is long；Flap can quickly close under self gravitation and drive rod effect
Close and seal, good airproof performance, it is ensured that opening soon and quick closing valve requirement of product, reasonable in design, simple to operate,
Easy for installation, low cost, safe and reliable, practicality good.
Below in conjunction with Figure of description and specific embodiment, the utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment.
Detailed description of the invention
See Fig. 1, a kind of super-pressure check-valves steel-casting disclosed in the utility model, including valve body 1, swing arm 2,
Flap 3 and seal receptacle 4, be provided with inner chamber in described valve body 1, and this inner chamber is divided into installation cavity 11, snout cavity
12 and outlet plenum 13, wherein snout cavity 12 and outlet plenum 13 are positioned at the left and right sides of installation cavity 11, described
Swing arm 2 upper end is stretched in installation cavity 11, and swing arm 2 lower end is connected with flap 3, and described flap 3 left end seals
Being welded with one layer of hard alloy layer 31 on face, the thickness of described hard alloy layer 31 is 0.5-2mm；Described valve
Body 1 upper end is provided with driving means installing rack 5, is longitudinally equipped with drive rod in described driving means installing rack 5
6, described drive rod 6 lower end is connected with swing arm 2, and described drive rod 6 promotes swing arm 2 to rotate down, thus
Make the hard alloy layer 31 on flap 3 constitute with the sealing surface 10 on described valve body 1 to seal, described installation
Chamber 11 lower port is provided with flap locating notch 110, and described seal receptacle 4 is socketed on drive rod 6, and close
The outer surface of envelope seat 4 constitutes sealing with the internal face of installation cavity 11.
As preferably, hard alloy layer 31 uses Si Taili cobalt base hard alloy built-up welding to form；Described flap
3 are connected fixing with swing arm 2 by existing nuts and bolt.
Described installation cavity 11 internal face has been wholely set locating convex block 112 near swing arm 2 top position, described
It is provided with a swing arm installing rack 7 on locating convex block 112, in the middle part of described swing arm installing rack 7, is vertically arranged with one
Individual drive rod movable span 71, described swing arm installing rack 7 lower-left end has been wholely set one piece of swing arm connecting plate 72,
Described swing arm 2 upper end is hinged with swing arm connecting plate 72, and swing arm 2 upper end is by bearing pin and swing arm connecting plate 72
Constituting hinged, described swing arm installing rack 7 is equipped with several attachment screws 8, swing arm installing rack 7 is by even
Connect screw 8 and be connected with locating convex block 112 fixing.At least it is uniformly arranged four on swing arm installing rack 7 and connects spiral shell
Nail 8.
Described driving means installing rack 5 lower end is equipped with several clamping screws 9, described driving means installing rack
5 are fixed with valve body 1 upper end locking by clamping screw 9.
One piece of drive rod connecting plate 21, described drive rod 6 lower end it has been wholely set on described swing arm 2 right side
Hinged with drive rod connecting plate 21.As preferably, drive rod 6 lower end is passed through with drive rod connecting plate 21
Bearing pin constitutes hinged.
Described valve body 1 is positioned at snout cavity 12 left position and has been wholely set a left adpting flange 14, a described left side
Several first reinforcements 15 it are welded with between adpting flange 14 right-hand member and valve body 1 outer surface；Described valve body 1
Being positioned at outlet plenum 13 right end position and be wholely set a right adpting flange 16, described right adpting flange 16 is left
It is welded with several the second reinforcements 17 between end and valve body 1 outer surface.
During actual application, after the left end sealing surface of flap welds hard alloy layer, sealing surface hardness is high, resistance to
Grind, high temperature resistant, corrosion-resistant, antifraying property is good, and service life is long；Flap is in self gravitation and driving
Can quick closedown sealing, good airproof performance under bar effect, it is ensured that opening soon and quick closing valve requirement of product, structure sets
Count reasonable, simple to operate, easy for installation, low cost, safe and reliable, practicality good.
Above-described embodiment, to specific descriptions of the present utility model, is served only for carrying out the utility model furtherly
Bright, it is impossible to be interpreted as the restriction to the utility model protection domain, the technician of this area is according to above-mentioned
The utility model is made some nonessential improvement by the content of utility model and adjustment each falls within the utility model
Protection domain within.
Claims (5)
1. a super-pressure check-valves steel-casting, including valve body (1), swing arm (2), flap (3) and seal receptacle
(4), described valve body is provided with inner chamber in (1), and this inner chamber is divided into installation cavity (11), snout cavity (12)
With outlet plenum (13), wherein snout cavity (12) and outlet plenum (13) are positioned at the left and right of installation cavity (11)
Both sides, described swing arm (2) upper end is stretched in installation cavity (11), and swing arm (2) lower end is with flap (3) even
Connect, it is characterised in that: it is welded with one layer of hard alloy layer (31) on described flap (3) left end sealing surface,
The thickness of described hard alloy layer (31) is 0.5-2mm；Described valve body (1) upper end is provided with driving means
Installing rack (5), is longitudinally equipped with drive rod (6), described driving in described driving means installing rack (5)
Bar (6) lower end is connected with swing arm (2), and described drive rod (6) promotes swing arm (2) to rotate down, from
And make the hard alloy layer (31) on flap (3) constitute with the sealing surface (10) on described valve body (1)
Sealing, described installation cavity (11) lower port is provided with flap locating notch (110), described seal receptacle (4)
It is socketed on drive rod (6), and the internal face of the outer surface of seal receptacle (4) and installation cavity (11) is constituted
Seal.
A kind of super-pressure check-valves steel-casting the most according to claim 1, it is characterised in that: described installation cavity
(11) internal face has been wholely set locating convex block (112), described convex near swing arm (2) top position
Being provided with a swing arm installing rack (7) on block (112), described swing arm installing rack (7) middle part is longitudinally disposed
A drive rod movable span (71), described swing arm installing rack (7) lower-left end is had to be wholely set one piece of swing arm
Connecting plate (72), described swing arm (2) upper end is hinged with swing arm connecting plate (72), described swing arm installing rack
(7) be equipped with several attachment screws (8) on, swing arm installing rack (7) by attachment screw (8) with
Locating convex block (112) connects fixing.
A kind of super-pressure check-valves steel-casting the most according to claim 2, it is characterised in that: described driving fills
Putting installing rack (5) lower end and be equipped with several clamping screws (9), described driving means installing rack (5) is led to
Cross clamping screw (9) to fix with valve body (1) upper end locking.
A kind of super-pressure check-valves steel-casting the most according to claim 3, it is characterised in that: described swing arm (2)
One piece of drive rod connecting plate (21), described drive rod (6) lower end and drive rod it has been wholely set on right side
Connecting plate (21) is hinged.
A kind of super-pressure check-valves steel-casting the most according to claim 4, it is characterised in that: described valve body (1)
It is positioned at snout cavity (12) left position and is wholely set a left adpting flange (14), described left connection method
It is welded with several the first reinforcements (15) between blue (14) right-hand member and valve body (1) outer surface；Described valve
Body (1) is positioned at outlet plenum (13) right end position and has been wholely set a right adpting flange (16), the described right side
Several the second reinforcements (17) it are welded with between adpting flange (16) left end and valve body (1) outer surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620300958.7U CN205504094U (en) | 2016-04-12 | 2016-04-12 | Superhigh pressure check valve steel -casting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620300958.7U CN205504094U (en) | 2016-04-12 | 2016-04-12 | Superhigh pressure check valve steel -casting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205504094U true CN205504094U (en) | 2016-08-24 |
Family
ID=56737815
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620300958.7U Active CN205504094U (en) | 2016-04-12 | 2016-04-12 | Superhigh pressure check valve steel -casting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205504094U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108953694A (en) * | 2018-06-13 | 2018-12-07 | 江苏圣泰阀门有限公司 | Nuclear power check-valves |
| CN115416915A (en) * | 2022-09-26 | 2022-12-02 | 浙江名瑞智能包装科技有限公司 | Automatic high-sealing box supporting sealing machine |
-
2016
- 2016-04-12 CN CN201620300958.7U patent/CN205504094U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108953694A (en) * | 2018-06-13 | 2018-12-07 | 江苏圣泰阀门有限公司 | Nuclear power check-valves |
| CN115416915A (en) * | 2022-09-26 | 2022-12-02 | 浙江名瑞智能包装科技有限公司 | Automatic high-sealing box supporting sealing machine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205504094U (en) | Superhigh pressure check valve steel -casting | |
| CN201771980U (en) | Water-cooled sliding bearing seat | |
| CN206802395U (en) | A kind of swing check valve with valve clack cover | |
| CN102808977B (en) | High exhaust check valve of critical and supercritical thermal power generating set valve | |
| CN201818816U (en) | Pendulous ceramic gate valve | |
| CN208153817U (en) | A kind of refrigeration valve | |
| CN206786027U (en) | A kind of high temperature butterfly valve door | |
| CN201354872Y (en) | High-temperature resistant Y-shaped safety relief valve used for aluminium manufacturer molten salt pipeline | |
| CN102620015A (en) | Nuclear class 1 large caliber forged steel full circulation high-Cv value swing check valve | |
| CN205781131U (en) | Micro-resistance pressure reduction type backflow preventer | |
| CN212745185U (en) | Swing check valve indicating mechanism | |
| CN107289143A (en) | A kind of heavy-caliber high-temperature high pressure all-metal sealing butterfly valve | |
| CN105697798A (en) | One-way valve assembly used in sludge pump | |
| CN204553862U (en) | A kind of bellows antibiotic stop valve | |
| CN106969155A (en) | A kind of high temperature butterfly valve door | |
| CN209875975U (en) | Bidirectional pressure spherical cambered surface hard alloy sealing butterfly valve | |
| CN209370518U (en) | One kind of multiple purposes are eccentrically rotated regulation ball valve | |
| CN202451900U (en) | Right-angle quick closing check valve | |
| CN205479395U (en) | A check valve subassembly for in sludge pump | |
| CN205371646U (en) | Stop valve | |
| CN202215800U (en) | Swing check valve | |
| CN211117718U (en) | High-temperature high-pressure anti-scouring self-sealing adjusting gate valve | |
| CN207064667U (en) | A kind of heavy-caliber high-temperature high pressure all-metal sealing butterfly valve | |
| CN206409655U (en) | A kind of buried gate valve of cast steel | |
| CN206802396U (en) | One kind tilts flap check-valves |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |