CN205013711U - Marine diesel high temperature butterfly valve - Google Patents
Marine diesel high temperature butterfly valve Download PDFInfo
- Publication number
- CN205013711U CN205013711U CN201520786496.XU CN201520786496U CN205013711U CN 205013711 U CN205013711 U CN 205013711U CN 201520786496 U CN201520786496 U CN 201520786496U CN 205013711 U CN205013711 U CN 205013711U
- Authority
- CN
- China
- Prior art keywords
- valve rod
- high temperature
- extension
- valve
- marine diesel
- 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
Links
- 239000000428 dust Substances 0.000 claims abstract description 16
- 239000000945 filler Substances 0.000 claims abstract description 9
- 238000007789 sealing Methods 0.000 claims abstract description 9
- 210000004907 gland Anatomy 0.000 claims abstract description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 4
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 4
- 239000010439 graphite Substances 0.000 claims abstract description 4
- 238000012856 packing Methods 0.000 claims description 3
- 230000005855 radiation Effects 0.000 claims description 3
- 239000007789 gas Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 239000013618 particulate matter Substances 0.000 description 2
- 239000003082 abrasive agent Substances 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 239000003570 air Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002817 coal dust Substances 0.000 description 1
- 239000003034 coal gas Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
Landscapes
- Lift Valve (AREA)
Abstract
Marine diesel high temperature butterfly valve, including cylindric valve body, two extensions of longitudinal symmetry are offered at valve body lateral wall center, the valve rod lower extreme stretches into from last extension hole, pass in the valve body inner chamber gets into down the extension, lower extension end set up the end cover under with the valve rod tip withstand, the extension is stretched out to the valve rod upper end, connects the universal connection device, rotatory spindle nose is connected to the universal connection device, all be provided with in the upper and lower extension to seal up the leak protection device, sealed leak protection device includes the dust keeper that is close to the valve body inner chamber and the filler device in the dust keeper outside, and dust keeper leads the ash chute and sets up downside on leading the ash chute including the round of offering on the extension inner wall, and the recess of the dust ring on the extension inner wall is provided with the O type sealing washer of cover on the valve rod in the recess, the filler device is including overlapping the gland on the valve rod and setting up in the flexible graphite filler in gland middle section, the valve rod section that is located the valve body inner chamber is provided with the dish board.
Description
Technical field
The utility model relates to valve field, is specifically related to a kind of marine diesel engine high temperature butterfly valve of high reliability.
Background technique
Boat diesel engine high temperature butterfly valve is mainly used in the exhaust gas flow regulating diesel engine, and compared with other application of high temperature butterfly valve, boat diesel engine has leakage class and requires that high, vent systems vibrates the features such as strong level is high, exhaust gas particle thing content is large.Therefore, there is higher requirement the aspect such as sealing, vibration resistance, reliability of boat diesel engine to high temperature butterfly valve.
Domestic not yet exploitation is at present specifically applied to the high temperature butterfly valve of boat diesel engine, and on market, the boat diesel engine high temperature butterfly valve of external import mainly contains without seal approach or adopts semicircle sealing.
It is diesel exhaust that butterfly valve flows through medium, containing particulate matter in waste gas.In valve using process, along with the accumulation of particulate matter in valve rod assembly, valve torque can sharply increase, and occurs stuck.Have much room for improvement.
Summary of the invention
The utility model, for the deficiencies in the prior art, provides a kind of good seal performance, the marine diesel engine high temperature butterfly valve effectively preventing valve stuck.
For realizing the utility model object, provide following technological scheme: marine diesel engine high temperature butterfly valve, comprise cylindric valve body, it is characterized in that body wall center offers laterally zygomorphic two extension parts, valve rod lower end is stretched into from upper extension part endoporus, enter in lower extension through body cavity, lower extension end arranges end cap and is withstood valve rod underpart, extension part is stretched out in valve rod upper end, connect universal connector, universal connector connects rotating shaft head, sealing and leakage-proof device is provided with in upper lower extension, described sealing and leakage-proof device comprises the filler device outside the dust guard and dust guard of body cavity, dust guard comprises the circle be opened on extension part inwall leads ash-pit and is arranged at and lead ash-pit upper and lower sides, the groove of the dust ring on extension part inwall, the O RunddichtringO be placed on valve rod is provided with in groove, described filler device comprises the Gland be placed on valve rod and the flexible graphite packing being arranged at Gland stage casing, the described valve rod section being positioned at body cavity is provided with dish plate.
As preferably, upper extension part top is provided with separated type high temperature support, and described separated type high temperature support is made up of symmetrical two panels support body, and universal head and rotating shaft head are placed in separated type high temperature support.
As preferably, universal connector comprises upper and lower joint, upper and lower joint butt end is U-shaped portion, both relative inlay cards of U-shaped portion, arrange contiguous block in U-shaped portion notch, contiguous block surrounding is provided with bearing hole, and the U-shaped portion bearing pin cross-under of upper and lower joint is on contiguous block, the upper joint the other end is provided with the tapped hole be connected with rotating shaft head, and the lower joint the other end is provided with the square hole with the grafting of valve rod upper end.
As preferably, separated type high temperature support offers radiation hole.
The utility model beneficial effect: the utility model valve adopts high-quality high-abrasive material to be welded, have that wear resistance is good, working stability is reliable, easy to operate, be active in one's movements, leakage rate is little, long service life, installation and maintenance are convenient, be specially adapted to low voltage difference, heavy caliber, large discharge occasion, use with various actuators combination accessories, be combined into the valve of different performance.
Low leakage rate :≤1% plain edition leak-down rate :≤3% Applicable media: ash-laden gas, air, coal gas and dust-containing airflow.
Accompanying drawing explanation
Fig. 1 is plan view of the present utility model.
Fig. 2 is the partial enlarged drawing of Fig. 1.
Fig. 3 is the structural representation of universal connector.
Embodiment
Embodiment 1: marine diesel engine high temperature butterfly valve, comprise cylindric valve body 1, valve body 1 sidewall center offers laterally zygomorphic two extension parts (1.1, 1.2), valve rod 2 lower end is stretched into from upper extension part 1.1 endoporus, enter in lower extension 1.2 through valve body 1 inner chamber, lower extension 1.2 end arranges end cap 3 and is withstood valve rod 2 underpart, extension part 1.1 is stretched out in valve rod 2 upper end, connect universal connector 4, universal connector 4 connects rotating shaft head 5, upper lower extension (1.1, 1.2) sealing and leakage-proof device is provided with in, described sealing and leakage-proof device comprises the filler device 6.2 outside the dust guard 6.1 and dust guard of valve body 1 inner chamber, dust guard 6.1 comprises and is opened in extension part (1.1, 1.2) circle on inwall is led ash-pit 6.1.1 and is arranged at and leads ash-pit 6.1.1 upper and lower sides, extension part (1.1, 1.2) the groove 6.1.2 of the dust ring on inwall, the O RunddichtringO 7 be placed on valve rod 2 is provided with in groove 6.1.2, described filler device 6.2 comprises the Gland 6.2.1 be placed on valve rod 2 and the flexible graphite packing 8 being arranged at Gland 6.2.1 stage casing, the valve rod 2 sections being positioned at valve body 2 inner chamber is provided with dish plate 9.Upper extension part 1.1 top is provided with separated type high temperature support 10, and described separated type high temperature support 10 is made up of symmetrical two panels support body, and universal head 4 and rotating shaft head 5 are placed in separated type high temperature support 10.Universal connector 4 comprises upper and lower joint (4.1,4.2), upper and lower joint (4.1,4.2) butt end is U-shaped portion, both relative inlay cards of U-shaped portion, contiguous block 4.3 is set in U-shaped portion notch, contiguous block 4.3 surrounding is provided with bearing hole, the U-shaped portion bearing pin cross-under of upper and lower joint (4.1,4.2) is on contiguous block 4.3, upper joint 4.1 the other end is provided with the tapped hole be connected with rotating shaft head, and lower joint 4.2 the other end is provided with the square hole with valve rod 2 upper end grafting.
Separated type high temperature support 10 offers radiation hole 10.1.
Claims (4)
1. marine diesel engine high temperature butterfly valve, comprise cylindric valve body, it is characterized in that body wall center offers laterally zygomorphic two extension parts, valve rod lower end is stretched into from upper extension part endoporus, enter in lower extension through body cavity, lower extension end arranges end cap and is withstood valve rod underpart, extension part is stretched out in valve rod upper end, connect universal connector, universal connector connects rotating shaft head, sealing and leakage-proof device is provided with in upper lower extension, described sealing and leakage-proof device comprises the filler device outside the dust guard and dust guard of body cavity, dust guard comprises the circle be opened on extension part inwall leads ash-pit and is arranged at and lead ash-pit upper and lower sides, the groove of the dust ring on extension part inwall, the O RunddichtringO be placed on valve rod is provided with in groove, described filler device comprises the Gland be placed on valve rod and the flexible graphite packing being arranged at Gland stage casing, the described valve rod section being positioned at body cavity is provided with dish plate.
2. marine diesel engine high temperature butterfly valve according to claim 1, it is characterized in that extension part top is provided with separated type high temperature support, described separated type high temperature support is made up of symmetrical two panels support body, and universal head and rotating shaft head are placed in separated type high temperature support.
3. marine diesel engine high temperature butterfly valve according to claim 1, it is characterized in that universal connector comprises upper and lower joint, upper and lower joint butt end is U-shaped portion, both relative inlay cards of U-shaped portion, arrange contiguous block in U-shaped portion notch, contiguous block surrounding is provided with bearing hole, and the U-shaped portion bearing pin cross-under of upper and lower joint is on contiguous block, the upper joint the other end is provided with the tapped hole be connected with rotating shaft head, and the lower joint the other end is provided with the square hole with the grafting of valve rod upper end.
4. marine diesel engine high temperature butterfly valve according to claim 2, is characterized in that separated type high temperature support offers radiation hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520786496.XU CN205013711U (en) | 2015-10-12 | 2015-10-12 | Marine diesel high temperature butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520786496.XU CN205013711U (en) | 2015-10-12 | 2015-10-12 | Marine diesel high temperature butterfly valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205013711U true CN205013711U (en) | 2016-02-03 |
Family
ID=55212315
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520786496.XU Expired - Fee Related CN205013711U (en) | 2015-10-12 | 2015-10-12 | Marine diesel high temperature butterfly valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205013711U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105202204A (en) * | 2015-10-12 | 2015-12-30 | 罗普阀业（宜兴）有限公司 | High-temperature butterfly valve for marine diesel engine |
-
2015
- 2015-10-12 CN CN201520786496.XU patent/CN205013711U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105202204A (en) * | 2015-10-12 | 2015-12-30 | 罗普阀业（宜兴）有限公司 | High-temperature butterfly valve for marine diesel engine |
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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: 20160203 Termination date: 20161012 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |