CN204922067U - Eccentric hemisphere valve of upper assembling type - Google Patents
Eccentric hemisphere valve of upper assembling type Download PDFInfo
- Publication number
- CN204922067U CN204922067U CN201520488656.2U CN201520488656U CN204922067U CN 204922067 U CN204922067 U CN 204922067U CN 201520488656 U CN201520488656 U CN 201520488656U CN 204922067 U CN204922067 U CN 204922067U
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- valve
- bolt
- nut
- spheroid
- spherical crown
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Abstract
The utility model relates to an eccentric hemisphere valve of upper assembling type, including the valve body, the upper end of valve body is equipped with the valve gap, the lower extreme is equipped with the back lid, is equipped with the spheroid between valve gap and the back lid, is equipped with the spherical crown on the spheroid, is equipped with the disk seat on the spherical crown, is equipped with the sealing washer between spherical crown and the disk seat, be equipped with the upper valve rod on the valve gap and cover after, and be equipped with the lower valve rod, be equipped with carbon packing between upper valve rod and the valve gap, be equipped with gland in carbon packing's upper end, be connected through bolt and nut between gland and the valve gap, be equipped with a clamp plate on disk seat and the spheroid, the upper end of clamp plate passes through that bolt and nut connects on the disk seat, the lower tip of clamp plate passes through bolt and nut and connects on the valve body. The utility model relates to a rationally, compact structure, it is little to have a circulation resistance, and the leakproofness is good, and the operation is light nimble, can prepare electronic, pneumatic means, can realize remote automation mechanized operation, can improve the sealed effect of product, the whole life of extension product to do not influence the on -line maintenance yet, it is very simple and convenient.
Description
Technical field
The utility model belongs to valve technology field, refers to a kind of upper dress formula eccentric half-ball valve.
Background technique
As everyone knows, it is little that upper dress formula eccentric half-ball valve has the pressure loss, resistance to abrasion of particles, automatic compensation sealing is reliable, is applicable to high flow rate medium, life-span, long switch was light, the feature such as easy to maintenance, in some specific occasions, this valve can not affect the normal operation of pipe-line system during rushing to repair, as long as close the operation with pressure that just can recover pipeline immediately suitable for reading rapidly after taking-up spheroid assembly parts, the lost revenue that repairing valve is caused is reduced to minimum degree.But there is unreasonable structure in the upper dress formula Full-diameter eccentric hemisphere valve on existing market, causes sealing effect undesirable, thus affect the whole service life of product.
Summary of the invention
For the deficiency existed in background technique, the purpose of this utility model is to provide a kind of upper dress formula eccentric half-ball valve.
For achieving the above object, the utility model provides following technological scheme: dress formula eccentric half-ball valve in one, comprise valve body, the upper end of valve body is provided with valve gap, lower end is provided with bonnet, spheroid is provided with between valve gap and bonnet, spheroid is provided with spherical crown, spherical crown is provided with valve seat, between spherical crown and valve seat, be provided with seal ring; Described valve gap is provided with on upper valve rod, bonnet and is provided with lower valve rod, between upper valve rod and valve gap, be provided with graphite packing, the upper end of graphite packing is provided with Gland, is connected by bolt and nut between Gland with valve gap; Described valve seat and spheroid are provided with a block pressur plate, the upper end portion of pressing plate is connected on valve seat by bolt and nut, the underpart of pressing plate is connected on valve body by bolt and nut.
Above-mentioned upper valve rod is arranged on valve gap by Upper shaft sleeve, and lower valve rod is arranged on bonnet by Lower shaft sleeve.
The material of above-mentioned spherical crown adopts Cr-Mo-V alloy.
Above-mentioned bonnet is connected on valve body by bolt and nut.
Above-mentioned spherical crown is connected on spheroid by bolt and nut.
The utility model beneficial effect compared to existing technology: the utility model is reasonable in design, compact structure, has circulating resistance little, good airproof performance, operation light and flexible, can prepare electronic, Pneumatic actuator, can realize far distance automaticization operation.Such structure can improve the sealing effect of product, extends the whole service life of product, and does not also affect on-line maintenance, very easy.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the partial enlarged drawing in Fig. 1 H portion.
The implication of number in the figure:
1-valve body; 2-valve gap; 3-bonnet; 4-spheroid; 5-spherical crown; 6-valve seat; 7-upper valve rod; 8-lower valve rod; 9-graphite packing; 10-Gland; 11-pressing plate; 12-Upper shaft sleeve; 13-Lower shaft sleeve.
Embodiment
Below in conjunction with drawings and Examples, to embodiment of the present utility model as preferred detailed description.Following examples for illustration of the utility model, but are not used for limiting scope of the present utility model.
Shown in Fig. 1-2, dress formula eccentric half-ball valve in one, comprise valve body 1, the upper end of valve body 1 is provided with valve gap 2, lower end is provided with bonnet 3, spheroid 4 is provided with between valve gap 2 and bonnet 3, spheroid 4 is provided with spherical crown 5, spherical crown 5 is provided with valve seat 6, between spherical crown 5 and valve seat 6, be provided with seal ring; Described valve gap 2 is provided with on upper valve rod 7, bonnet 3 and is provided with lower valve rod 8, be provided with graphite packing 9 between upper valve rod 7 and valve gap 2, the upper end of graphite packing 9 is provided with Gland 10, be connected by bolt and nut between Gland 10 with valve gap 2; Described valve seat 6 and spheroid 4 are provided with a block pressur plate 11, and the upper end portion of pressing plate 11 is connected on valve seat 6 by bolt and nut, the underpart of pressing plate 11 is connected on valve body 1 by bolt and nut.
As preferably, above-mentioned upper valve rod 7 is arranged on valve gap 2 by Upper shaft sleeve 12, and lower valve rod 8 is arranged on bonnet 3 by Lower shaft sleeve 13.
As preferably, the material of above-mentioned spherical crown 5 adopts Cr-Mo-V alloy.
As preferably, above-mentioned bonnet 3 is connected on valve body 1 by bolt and nut.
As preferably, above-mentioned spherical crown 5 is connected on spheroid 4 by bolt and nut.
In the utility model, valve seat 6 with spheroid 4 are provided with a block pressur plate 11, the upper end portion of pressing plate 11 is connected on valve seat 6 by bolt and nut, the underpart of pressing plate 11 is connected on valve body 1 by bolt and nut, and such structure is more reasonable, also makes product more firm.
The utility model is applied widely, specific as follows:
Water power, spoil disposal are used: be applicable to aluminium oxide, medium transport that sediment outflow, slagging-off, power plant's waterpower contain sandstone controls.Wear-resisting property, corrosion-resistant, spheroid adopts combination ball bimetal, and valve seat adopts build-up wear-resistant steel, has very high rigidity, very wear-resisting, corrosion-resistant, washing away of resistance to silt particle.It adopts straight-through structure, and runner is unimpeded, and this valve has auto-flushing body cavity function, and precipitated mud and sand blocking phenomenon will not appear in valve pocket.
Breeze blowing is used: the ideal equipment of the Solid Conveying and Melting such as breeze blowing being used for controlling dust-containing airflow, granule fluid, the various pipelines be widely used in the production technologies such as metallurgy, ore dressing, electric power in blast-furnace coal powder injection, pulverizing system and dust pelletizing system control.It adopts straight-through structure, runner is unimpeded, there will not be dust stratification blocking phenomenon, sealing pair adopts Co-Cr-W alloy material, and through special thermal treatment, valve antiscour is wear-resistant, valve eccentric spherical has the performance of auto-compensation simultaneously, by adjusting bolt on worm gear, making sealing pair when to a certain degree wearing and tearing, still can reach the effect resealed.
Petrochemical industry use: for petroleum chemical industry use pressure high, temperature is high, be full of the corrosion-prone medium of inflammable, explosive, general weak acid and weak base, there is good airproof performance, corrosion-resistant, open and close light, the features such as valve face foulant be can automatically excise, the medium transport such as crude oil, heavy oil and petroleum cracking are applicable to, the technological processes such as making food.
Blast furnace gas, combustion gas are used: sealing pair adopts Cr-Mn-Si cemented carbide, fire-resistant explosion-proof antistatic, sealing pair high temperature resistance 560 DEG C, its anticorrosive and bite-resistant ability is all more than 6 times of stainless steel sealing pair, is suitable for especially using with adding on pressure gate station at the Cemented filling of coal gas, coke-stove gas, water gas, liquid gas, rock gas.
Slip mixed flow body is used: conveying easily precipitates the optimal process valve of two-phase mixed flow body medium in the technological process such as solution ore pulp, slip lime-ash of fouling, crystallization, can abolish foulant obstacle realize closing smoothly when closing.Its novel structure, design uniqueness, have the advantages such as energy-efficient, wear resistance good, sealing is reliable, it is light to operate, open and close rapidly, the life-span is long.
Pipeline is used: belong to straight-through type semispherical valve, completely unimpeded, the pipeline that valve channel is connected with pipeline becomes straight tube to communicate, and sectional area is equal, and resistance is little, can reach, facilitate long distance line pipage control as long as standard-sized sheet, full cut-off rotate 90 degree.(breeze blowing and fuel gas transmission).
The above is only preferred implementation of the present utility model; should be understood that; for those skilled in the art, under the prerequisite not departing from the utility model know-why, make some improvement and modification also should be considered as protection domain of the present utility model.
Claims (5)
1. a upper dress formula eccentric half-ball valve, comprise valve body, the upper end of valve body is provided with valve gap, lower end is provided with bonnet, is provided with spheroid, spheroid is provided with spherical crown, spherical crown is provided with valve seat, be provided with seal ring between spherical crown and valve seat between valve gap and bonnet; Described valve gap is provided with on upper valve rod, bonnet and is provided with lower valve rod, it is characterized in that: between upper valve rod and valve gap, be provided with graphite packing, the upper end of graphite packing is provided with Gland, is connected by bolt and nut between Gland with valve gap; Described valve seat and spheroid are provided with a block pressur plate, the upper end portion of pressing plate is connected on valve seat by bolt and nut, the underpart of pressing plate is connected on valve body by bolt and nut.
2. upper dress formula eccentric half-ball valve according to claim 1, is characterized in that: described upper valve rod is arranged on valve gap by Upper shaft sleeve, and lower valve rod is arranged on bonnet by Lower shaft sleeve.
3. upper dress formula eccentric half-ball valve according to claim 2, is characterized in that: the material of described spherical crown adopts Cr-Mo-V alloy.
4. upper dress formula eccentric half-ball valve according to claim 3, is characterized in that: described bonnet is connected on valve body by bolt and nut.
5. upper dress formula eccentric half-ball valve according to claim 4, is characterized in that: described spherical crown is connected on spheroid by bolt and nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520488656.2U CN204922067U (en) | 2015-07-03 | 2015-07-03 | Eccentric hemisphere valve of upper assembling type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520488656.2U CN204922067U (en) | 2015-07-03 | 2015-07-03 | Eccentric hemisphere valve of upper assembling type |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204922067U true CN204922067U (en) | 2015-12-30 |
Family
ID=54971196
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520488656.2U Expired - Fee Related CN204922067U (en) | 2015-07-03 | 2015-07-03 | Eccentric hemisphere valve of upper assembling type |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204922067U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107420575A (en) * | 2017-08-09 | 2017-12-01 | 湖北泰和石化设备有限公司 | Upper dress formula full-bore LNG soft seal zero leakage two-way valves |
| CN107859756A (en) * | 2017-12-05 | 2018-03-30 | 博纳斯威阀门股份有限公司 | A kind of eccentric half-ball valve with degassing function |
| CN108612862A (en) * | 2018-07-19 | 2018-10-02 | 开维喜阀门集团有限公司 | It is a kind of can on-line maintenance eccentric half-ball valve |
-
2015
- 2015-07-03 CN CN201520488656.2U patent/CN204922067U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107420575A (en) * | 2017-08-09 | 2017-12-01 | 湖北泰和石化设备有限公司 | Upper dress formula full-bore LNG soft seal zero leakage two-way valves |
| CN107859756A (en) * | 2017-12-05 | 2018-03-30 | 博纳斯威阀门股份有限公司 | A kind of eccentric half-ball valve with degassing function |
| CN108612862A (en) * | 2018-07-19 | 2018-10-02 | 开维喜阀门集团有限公司 | It is a kind of can on-line maintenance eccentric half-ball valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151230 Termination date: 20210703 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |