CN203131078U - Expansion type K-shaped gate plate gate valve - Google Patents
Expansion type K-shaped gate plate gate valve Download PDFInfo
- Publication number
- CN203131078U CN203131078U CN 201320100029 CN201320100029U CN203131078U CN 203131078 U CN203131078 U CN 203131078U CN 201320100029 CN201320100029 CN 201320100029 CN 201320100029 U CN201320100029 U CN 201320100029U CN 203131078 U CN203131078 U CN 203131078U
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- China
- Prior art keywords
- valve
- flashboard
- gate plate
- valve body
- socket head
- 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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- 210000004907 gland Anatomy 0.000 claims description 12
- 239000000945 filler Substances 0.000 claims description 9
- 238000007789 sealing Methods 0.000 abstract description 20
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 239000000463 material Substances 0.000 abstract description 5
- 238000012856 packing Methods 0.000 abstract description 3
- 238000003754 machining Methods 0.000 abstract description 2
- 238000003825 pressing Methods 0.000 abstract 1
- 238000012545 processing Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 208000004141 microcephaly Diseases 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000003319 supportive effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Sliding Valves (AREA)
Abstract
An expansion type K-shaped gate plate gate valve comprises a valve body, a gate plate lower supporting frame, a lower socket head cap screw, the K-shaped gate plate, a dowel, a spring, a valve seat, a sealing ring, a socket head cap screw, a gate plate upper locating device, a valve rod, a backing ring, a stud, a nut, an upper stud, an upper nut, a screw, an elastic washer, a bevel gear driving device, a packing pressing cover, packing, a valve cover and a guiding plate. The K-shaped gate plate is arranged in the valve body, and the gate plate lower supporting frame is connected with the K-shaped gate plate through the lower socket head cap screw. Due to the fact that the gate plate lower supporting frame is additionally arranged, friction between the gate plate and the valve seat and moment of force of the valve rod can be reduced by using a slope and the lower supporting frame. The main principle is that when the valve is opened, a left gate plate and a right gate plate are expanded appropriately through the slope and driven by the supporting frame to move towards the opening direction, friction of the gate plates towards two sides on the valve seat is reduced, and purposes of simplifying the structure and a machining process, reducing consumed materials, valve weight and production cost, improving sealing performance, reducing the valve size and the like are achieved.
Description
Technical field
The utility model belongs to technical field of valve manufacturing, particularly relates to a kind of expanding K shape flashboard gate valve that is applied in the pipeline system.
Background technique
In existing technology, gate valve is one of the most frequently used block valve, is mainly used to connect or block the medium in the pipeline, and the pressure of utilization, temperature and diameter range are very big, in especially applying to, large diameter pipeline.Valve is used for pipeline system control media pressure, flow and the flow direction in producing, owing to need when opening valve plate is risen to the valve seat through-hole top fully, valve plate all need be fallen again when closing and block valve seat through-hole, so the keying stroke of valve plate is very big, it is corresponding increase highly also, and opening and closing time is longer.Sealing surface easily produces scratch.Between valve plate and contacted two sealing surfaces of valve seat relative slip is arranged during keying, under medium power purposes, easily produce scratch, thereby destroy sealability, influence working life.It in use needs regular opening and closing, sealability will descend in use for some time, particularly because opening and closing repeatedly, make the sealing system of valve produce wearing and tearing, valve will not be in sealing state this moment, thereby cause scrapping of product, and the valve of this sealing configuration is higher to processing request, and valve is a kind of engineering goods that are widely used, production and processing meets the valve that sealability requires, need to adopt expensive day by day non-ferrous metal, as brazen valve body, valve seat, valve rod, bonnet, the spool ball, fill bonnet, purple adapter made of copper etc.; Make the raw material serious waste, these factors have all caused the manufacture cost of ball valve too high, and conventional gate valve is because fluid is cylindrical bore into and out of the hole, corresponding flashboard and body cavity size are big, material expends many and use in required moment also bigger; Owing between valve gap and Gland, establish a filler microcephaly independently, in order to axial restraint valve rod and filling stuffing box packing, both there had been complex structure, its sealing is relatively poor again, and wedge-type rigidity single valve plate structure is simple, and size is little, uses reliable.But processing, the quality of fit of the angle of wedge are had relatively high expectations, easily tighten, abrade phenomenon, the compensation purposes that wedge-type elasticity single valve plate can lean on valve plate to produce the resiliently deformable of trace reaches good sealing, temperature variation is difficult for causing wedge dead, follow the string because closing the excessive valve plate that makes of moment, wedge-type bivalve plate is lower to the requirement on machining accuracy of the sealing surface angle of wedge, easily sealing, temperature variation is difficult for causing to be blocked and abrades, easy to maintenance behind the sealing surface wear.But structure is complicated, part is more, and the bodily form and quality are bigger.Parallel type is simple in structure, self reaches forced seal but can not lean on, and therefore, above-mentioned gate valve exists structure and processing technology, and complexity, volume are big, consumptive material is many, sealing is relatively poor and the more high disadvantage of cost of production.
Summary of the invention
The purpose of this utility model is the defective that exists at background technique, improve a kind of expanding K shape flashboard gate valve of design, this valve when opening, utilize can be flashboard and valve seat between friction and valve rod moment reduce, reduce flashboard to both sides to the surface friction drag of valve seat, simplify structure and processing technology to reach, reduce consumptive material and valve weight and cost of production, improve sealing, reduce purposes such as valve volume.
Realize that concrete scheme of the present utility model is:
A kind of expanding K shape flashboard gate valve, comprise valve body, flashboard lower support frame, following socket head screw, K shape flashboard, pin, spring, valve seat, seal ring, socket head screw, locate on the flashboard, valve rod, gasket ring, stud, nut, last stud, upper cap nut, screw, elastic washer, the umbrella gear drive unit, fill out section's gland, filler, valve gap, guide plate, it is characterized in that described K shape flashboard is positioned at valve body, flashboard lower support frame passes through down, and socket head screw connects with K shape flashboard, spring is supported in the valve body by pin, valve seat is installed on the valve body, form sealing pair with flashboard, between valve seat and the valve body seal ring is housed, the location connects with K shape flashboard top by socket head screw on the flashboard, valve gap is fixedly connected by stud and nut and valve body, between valve gap and the valve body gasket ring is housed, valve rod passes valve gap and is encased in the valve body, fill out section's gland filler is fitted in valve gap and valve rod joint part, last stud and upper cap nut will be filled out section's gland and valve gap is fixedly connected, screw passes elastic washer the umbrella gear drive unit is connected with the upper bracket portion of valve gap, and guide plate is positioned at the underpart of valve body inner valve stem.
Further specify, described guide plate makes valve body passing hole and flashboard passing hole concentric, and described valve gap is the lid of valve body and plays a supportive role, and in the described filler dress people stuffing box, stops medium to be revealed from valve rod.The described section's gland of filling out is in order to compress the effect that the section of filling out reaches sealing.Described umbrella gear drive unit: with umbrella gear mechanism opening/shutting valve.Described elastic washer is used for the locking of screw.Described screw is connected with the umbrella gear drive unit with the upper bracket portion of dryvalve lid.Described gasket ring makes the sealing of asking of valve body and valve gap.Described valve rod rotates flashboard up and down when valve switch.When being positioned at valve closing on the described flashboard, making left and right sides flashboard arrive active position and strut.Described socket head screw is used for connecting the effect that the location is connected with flashboard on the flashboard.Described flashboard lower support frame, when valve opening, K shape flashboard distending can increase the support force of K shape flashboard, guarantees between K shape flashboard and the valve seat surface friction drag and open moment to reduce.
Usefulness of the present utility model is: a kind of expanding K shape flashboard gate valve, make traditional K shape flashboard gate valve, and when switch, utilize slope distending principle, keep sealing.Mainly when valve opening, utilize the slope about two shoe brake plates move up. add the pressure of shell channel, friction between flashboard and the valve seat and valve rod moment strengthened.The utility model is at valve opening the time, owing to increased flashboard lower support frame, utilize slope and lower support frame to reduce friction between flashboard and the valve seat and valve rod moment, cardinal principle be valve when opening about flashboard utilize the slope when suitable distending, there is supporting frame to drive left and right sides flashboard, always to evolution to movement, reduce flashboard to both sides to the friction of valve seat, simplify structure and processing technology to reach, reduce consumptive material and valve weight and cost of production, improve sealing, reduce purposes such as valve volume.
Description of drawings
Fig. 1 is the utility model structural representation.
In Fig. 1: socket head screw, 4-K shape flashboard, 5-pin, 6-spring, 7-valve seat, 8-seal ring, 9-socket head screw, 10-flashboard location, 11-valve rod, 12-gasket ring, 13-stud, 14-nut, the last stud of 15-, 16-upper cap nut, 17-screw, 18-elastic washer, 19-umbrella gear drive unit, 20-fill out section's gland, 21-filler, 22-valve gap, 23-guide plate under 1-valve body, 2-flashboard lower support frame, the 3-.
Embodiment
Further specify below in conjunction with Figure of description.
A kind of expanding K shape flashboard gate valve, comprise valve body 1, flashboard lower support frame 2, following socket head screw 3, K shape flashboard 4, pin 5, spring 6, valve seat 7, seal ring 8, socket head screw 9, locate 10 on the flashboard, valve rod 11, gasket ring 12, stud 13, nut 14, last stud 15, upper cap nut 16, screw 17, elastic washer 18, umbrella gear drive unit 19, fill out section's gland 20, filler 21, valve gap 22, guide plate 23, it is characterized in that described K shape flashboard 4 is positioned at valve body 1, flashboard lower support frame 2 passes through down, and socket head screw 3 connects with K shape flashboard 4, spring 6 is supported in the valve body 1 by pin 5, valve seat 7 is installed on the valve body 1, form sealing pair with K shape flashboard 4, between valve seat 7 and the valve body 1 seal ring 8 is housed, location 10 connects with K shape flashboard 4 tops by socket head screw 9 on the flashboard, valve gap 22 is fixedly connected with valve body 1 by stud 13 and nut 14, between valve gap 22 and the valve body 1 gasket ring 12 is housed, valve rod 11 passes valve gap 22 and is encased in the valve body 1, fill out section's gland 20 filler 21 is fitted in valve gap 22 and valve rod 11 joint parts, last stud 15 and upper cap nut 16 will be filled out section's gland 20 and be fixedly connected with valve gap 22, screw 17 passes elastic washer 18 umbrella gear drive unit 19 is connected with the upper bracket portion of valve gap 22, and guide plate 23 is positioned at the underpart of valve body 1 inner valve stem 11.
Described flashboard lower support frame 2, when valve opening, K shape flashboard 4 distendings can increase the support force of K shape flashboard, guarantee between K shape flashboard and the valve seat 7 surface friction drag and open moment to reduce.
Claims (1)
1. expanding K shape flashboard gate valve, comprise valve body, flashboard lower support frame, following socket head screw, K shape flashboard, pin, spring, valve seat, seal ring, socket head screw, locate on the flashboard, valve rod, gasket ring, stud, nut, last stud, upper cap nut, screw, elastic washer, the umbrella gear drive unit, fill out section's gland, filler, valve gap, guide plate, it is characterized in that described K shape flashboard is positioned at valve body, flashboard lower support frame passes through down, and socket head screw connects with K shape flashboard, spring is supported in the valve body by pin, valve seat is installed on the valve body, between valve seat and the valve body seal ring is housed, the location connects with K shape flashboard top by socket head screw on the flashboard, valve gap is fixedly connected by stud and nut and valve body, between valve gap and the valve body gasket ring is housed, valve rod passes valve gap and is encased in the valve body, fill out section's gland filler is fitted in valve gap and valve rod joint part, last stud and upper cap nut will be filled out section's gland and valve gap is fixedly connected, screw passes elastic washer the umbrella gear drive unit is connected with the upper bracket portion of valve gap, and guide plate is positioned at the underpart of valve body inner valve stem.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320100029 CN203131078U (en) | 2013-02-22 | 2013-02-22 | Expansion type K-shaped gate plate gate valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320100029 CN203131078U (en) | 2013-02-22 | 2013-02-22 | Expansion type K-shaped gate plate gate valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203131078U true CN203131078U (en) | 2013-08-14 |
Family
ID=48939058
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320100029 Expired - Fee Related CN203131078U (en) | 2013-02-22 | 2013-02-22 | Expansion type K-shaped gate plate gate valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203131078U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103968099A (en) * | 2014-06-04 | 2014-08-06 | 郑子林 | Online maintenance gate valve |
| CN104165245A (en) * | 2014-08-12 | 2014-11-26 | 陈菊芳 | Manual expansion valve |
| CN108331929A (en) * | 2018-04-04 | 2018-07-27 | 盐城雄威石化通用机械设备有限公司 | High-pressure well mouth gear drives flap type |
| CN113418018A (en) * | 2021-07-07 | 2021-09-21 | 洛阳三旋智能装备有限公司 | Long-life propane dehydrogenation reactor valve |
-
2013
- 2013-02-22 CN CN 201320100029 patent/CN203131078U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103968099A (en) * | 2014-06-04 | 2014-08-06 | 郑子林 | Online maintenance gate valve |
| CN103968099B (en) * | 2014-06-04 | 2016-06-29 | 郑子林 | A kind of on-line maintenance gate valve |
| CN104165245A (en) * | 2014-08-12 | 2014-11-26 | 陈菊芳 | Manual expansion valve |
| CN108331929A (en) * | 2018-04-04 | 2018-07-27 | 盐城雄威石化通用机械设备有限公司 | High-pressure well mouth gear drives flap type |
| CN113418018A (en) * | 2021-07-07 | 2021-09-21 | 洛阳三旋智能装备有限公司 | Long-life propane dehydrogenation reactor valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: JIANGSU TIANTAI VALVE CO., LTD. Free format text: FORMER NAME: JIANGSU TIANTAI POWER STATION VALVE CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 224400 Yancheng City District, Funing County, Jiangsu Province, B Patentee after: Jiangsu Tiantai Valve Co., Ltd. Address before: 224400 Yancheng City District, Funing County, Jiangsu Province, B Patentee before: Jiangsu Tiantai Power Station Valve Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130814 Termination date: 20170222 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |