CN2466445Y - Double valve-rod easy-to-open high-pressure gate valve - Google Patents
Double valve-rod easy-to-open high-pressure gate valve Download PDFInfo
- Publication number
- CN2466445Y CN2466445Y CN 00249583 CN00249583U CN2466445Y CN 2466445 Y CN2466445 Y CN 2466445Y CN 00249583 CN00249583 CN 00249583 CN 00249583 U CN00249583 U CN 00249583U CN 2466445 Y CN2466445 Y CN 2466445Y
- Authority
- CN
- China
- Prior art keywords
- valve
- plate
- main valve
- valve rod
- valve plate
- 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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Abstract
The utility model relates to a double valve-rod easy-to-open high-pressure gate valve, which comprises a valve body, a valve rod, a valve cap, a sealing gland, a main valve plate and an assistant valve plate arranged at the lower end of the valve rod, a sliding block type pry plate, and a valve bracket arranged at the upper part of the valve rod. The valve rod is composed of a main valve rod and an assistant valve rod sheathed in the middle of the main valve rod, and the lower end of the assistant valve rod goes through the main valve plate and extends to the sliding block type pry plate. The main valve plate is provided with a valve plate guide pillar and a shutter through hole, and the assistant valve plate is correspondingly provided with a guide pillar sliding hole and a shutter through hole. The valve plate guide pillar is inserted in the guide pillar sliding hole. The utility model utilizes the block prying principle and uses the assistant valve rod to inch the sliding block type pry plate to pry the main valve plate upwardly, and quickly the shutter through hole is switched on, and so the pressure of the fluid inlet port and the fluid outlet port is capable of balancing quickly, so as to cause convenient opening.
Description
The utility model relates to gate valve, particularly a kind of double stub shaft high pressure gate valve of easy breakdown.
Existing high pressure gate valve generally is used for fluid line because the hydrodynamic pressure of pipe interior is higher, when valve when closing, be subjected to the pressure reduction of inlet and outlet pressure, make the high pressure gate valve under manual normal condition, the breakdown resistance is bigger, the breakdown instability.
The purpose of this utility model provides the easy breakdown high pressure of a kind of double stub shaft gate valve, and it is the breakdown gate valve easily and like a cork, and breakdown is stable.
Described in the utility model is the easy breakdown high pressure of a kind of double stub shaft gate valve, it comprises valve body, valve rod, valve gap and sealing gland, it also comprise one the main valve plate of the lower end of valve rod installing and one with the auxiliary valve plate of main valve plate coupling setting, the one slide block type skid plate that below the main valve plate, is provided with, and a valve rack in the installing of valve rod top; Described valve rod is made up of the main valve stem auxiliary valve rod middle with being set in main valve stem, the main valve stem handwheel is installed on the top of main valve stem, the main valve stem handwheel is installed in the upside of valve rack, auxiliary valve rod is sleeved on the centre of main valve stem, the auxiliary valve rod handwheel is installed on the top of auxiliary valve rod, at the sealing gland of installation one between main valve stem top and auxiliary valve rod shaft below the auxiliary valve rod handwheel, the lower end of auxiliary valve rod is passed the main valve plate and is stretched to the slide block type skid plate; Be equipped with on the described main valve plate more than three around the valve plate guide pillar of arranging, be provided with the venetian blind through hole at the interval of valve plate guide pillar, the main valve plate is compressed by trim ring; Correspondingly be provided with on the described auxiliary valve plate more than three around the guide pillar slide opening of arranging, be provided with the venetian blind through hole at the interval of guide pillar slide opening, the valve plate guide pillar on the main valve plate is plugged in the guide pillar slide opening on the auxiliary valve plate; Described slide block type skid plate is equipped with more than two prizes the wing, and wherein the first sled wing is positioned at the below of auxiliary valve rod, and wherein the second sled wing is positioned at the downside of main valve plate.
The utility model has been installed major and minor valve rod, inside and outside valve rod promptly is installed, utilize sled piece principle, slide block type skid plate with auxiliary valve rod crawl off-centre, the main valve plate is upwards prized, Quick connecting pipe fitting venetian blind through hole very between main valve plate and the auxiliary valve plate makes the fluid inlet and outlet pressure of pipe interior be able to rapid balance, thereby reaches breakdown purpose easily.
Below in conjunction with accompanying drawing the utility model is elaborated.
Fig. 1 is the structural representation of the easy breakdown high pressure of a kind of double stub shaft gate valve.
Fig. 2 is the structural representation of main valve plate in the above-mentioned gate valve.
Fig. 3 is by left view shown in Figure 2.
Fig. 4 is the structural representation of auxiliary valve plate in the above-mentioned gate valve.
Fig. 5 is by left view shown in Figure 4.
Referring to Fig. 1, the easy breakdown high pressure of a kind of double stub shaft gate valve comprises valve body 1, valve rod, valve gap 2 and sealing gland 3.The auxiliary valve plate 5 that is equiped with main valve plate 4 in the lower end of valve rod and is provided with main valve plate 4 couplings.One slide block type skid plate 6 is set below main valve plate 4.At valve rod top valving support 7, valve oil gun 71 is housed on the valve rack 7.
Valve rod is made up of main valve stem 8 and the auxiliary valve rods 9 that are set in main valve stem 8 centres.Main valve stem handwheel 81 is installed on top at main valve stem 8, and main valve stem handwheel 81 is installed in the upside of valve rack 7.Auxiliary valve rod 9 is sleeved on the centre of main valve stem 8, and auxiliary valve rod handwheel 91 is installed on the top of auxiliary valve rod 9.At the sealing gland 10 of installation one between main valve stem 8 tops and auxiliary valve rod 9 shafts below the auxiliary valve rod handwheel 91.The lower end of auxiliary valve rod 9 is passed main valve plate 4 and is stretched to slide block type skid plate 6.Slide block type skid plate 6 is equipped with more than two prizes the wing, and wherein the first sled wing 61 is positioned at the below of auxiliary valve rod 9, and wherein the second sled wing 62 is positioned at the downside of main valve plate 4.
Referring to Fig. 2 and Fig. 3, be equipped with four on the main valve plate 4 around the valve plate guide pillar of arranging 41, be provided with two venetian blind through holes 42 at the interval of valve plate guide pillar 41.As shown in Figure 1, main valve plate 4 is compressed by trim ring 11.
Referring to Fig. 4 and Fig. 5, correspondingly be provided with four on the auxiliary valve plate 5 around the guide pillar slide opening of arranging 51, be provided with two venetian blind through holes 52 at the interval of guide pillar slide opening 51.As shown in Figure 1, the valve plate guide pillar 41 on the main valve plate 4 is plugged in the guide pillar slide opening 51 on the auxiliary valve plate 5, and valve plate guide pillar 41 can slide in guide pillar slide opening 51.
During use, difference revolute pair valve rod handwheel 91 and main valve stem handwheel 81, make the slide block type skid plate 6 of auxiliary valve rod 9 downward crawl off-centre, on the slide block type skid plate 6 the second sled wing 62 levers up main valve plate 4, main valve plate 4 is upwards unsteady slightly, just can open venetian blind through hole 42 on the main valve plate 4 and the venetian blind through hole 52 on the auxiliary valve plate 5, make the pressure reduction of fluid inlet and outlet pressure change to the optimum state rapidly, thereby it be free and relaxed to reach breakdown.
Claims (2)
1. the easy breakdown high pressure of double stub shaft gate valve, it comprises valve body, valve rod, valve gap and sealing gland, it is characterized in that, it also comprises an auxiliary valve plate that is provided with main valve plate coupling at the main valve plate of the lower end of valve rod installing and, a slide block type skid plate that is provided with, and a valve rack of installing on valve rod top below the main valve plate; Described valve rod is made up of the main valve stem auxiliary valve rod middle with being set in main valve stem, the main valve stem handwheel is installed on the top of main valve stem, the main valve stem handwheel is installed in the upside of valve rack, auxiliary valve rod is sleeved on the centre of main valve stem, the auxiliary valve rod handwheel is installed on the top of auxiliary valve rod, at the sealing gland of installation one between main valve stem top and auxiliary valve rod shaft below the auxiliary valve rod handwheel, the lower end of auxiliary valve rod is passed the main valve plate and is stretched to the slide block type skid plate; Be equipped with on the described main valve plate more than three around the valve plate guide pillar of arranging, be provided with the venetian blind through hole at the interval of valve plate guide pillar, the main valve plate is compressed by trim ring; Correspondingly be provided with on the described auxiliary valve plate more than three around the guide pillar slide opening of arranging, be provided with the venetian blind through hole at the interval of guide pillar slide opening, the valve plate guide pillar on the main valve plate is plugged in the guide pillar slide opening on the auxiliary valve plate; Described slide block type skid plate is equipped with more than two prizes the wing, and wherein the first sled wing is positioned at the below of auxiliary valve rod, and wherein the second sled wing is positioned at the downside of main valve plate.
2. the easy breakdown high pressure of double stub shaft according to claim 1 gate valve is characterized in that, the valve oil gun is housed on the described valve rack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00249583 CN2466445Y (en) | 2000-10-11 | 2000-10-11 | Double valve-rod easy-to-open high-pressure gate valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00249583 CN2466445Y (en) | 2000-10-11 | 2000-10-11 | Double valve-rod easy-to-open high-pressure gate valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2466445Y true CN2466445Y (en) | 2001-12-19 |
Family
ID=33608000
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00249583 Expired - Fee Related CN2466445Y (en) | 2000-10-11 | 2000-10-11 | Double valve-rod easy-to-open high-pressure gate valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2466445Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102364173A (en) * | 2011-11-21 | 2012-02-29 | 黄建斌 | Track transfer regulating valve |
| CN105757271A (en) * | 2016-05-10 | 2016-07-13 | 浙江理工大学 | Novel flow fine-adjustment gate valve |
| CN110005823A (en) * | 2019-04-06 | 2019-07-12 | 王朝鹤 | A kind of driver for coaxial bivalve core valve |
| CN111188910A (en) * | 2020-02-04 | 2020-05-22 | 陈少同 | Multifunctional stop valve |
-
2000
- 2000-10-11 CN CN 00249583 patent/CN2466445Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102364173A (en) * | 2011-11-21 | 2012-02-29 | 黄建斌 | Track transfer regulating valve |
| CN102364173B (en) * | 2011-11-21 | 2012-12-05 | 黄建斌 | Track transfer regulating valve |
| CN105757271A (en) * | 2016-05-10 | 2016-07-13 | 浙江理工大学 | Novel flow fine-adjustment gate valve |
| CN105757271B (en) * | 2016-05-10 | 2018-07-06 | 浙江理工大学 | A kind of novel flow rate finely tunes gate valve |
| CN110005823A (en) * | 2019-04-06 | 2019-07-12 | 王朝鹤 | A kind of driver for coaxial bivalve core valve |
| CN110005823B (en) * | 2019-04-06 | 2020-03-27 | 胡海明 | Driver for coaxial double-valve-core valve |
| CN111188910A (en) * | 2020-02-04 | 2020-05-22 | 陈少同 | Multifunctional stop valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C57 | Notification of unclear or unknown address | ||
| DD01 | Delivery of document by public notice |
Addressee: Chen Lianzhi Document name: Notice of registration |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C57 | Notification of unclear or unknown address | ||
| DD01 | Delivery of document by public notice |
Addressee: Chen Lianzhi Document name: Notification of Termination of Patent Right |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20011219 |