CN108019523B - Integrated cup-shaped pipe joint - Google Patents
Integrated cup-shaped pipe joint Download PDFInfo
- Publication number
- CN108019523B CN108019523B CN201711246993.0A CN201711246993A CN108019523B CN 108019523 B CN108019523 B CN 108019523B CN 201711246993 A CN201711246993 A CN 201711246993A CN 108019523 B CN108019523 B CN 108019523B
- Authority
- CN
- China
- Prior art keywords
- hole
- valve
- valve shaft
- shaped pipe
- pipe joint
- 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
- 238000007789 sealing Methods 0.000 claims abstract description 27
- 210000004907 gland Anatomy 0.000 claims description 12
- 230000006978 adaptation Effects 0.000 description 2
- 239000000498 cooling water Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/16—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members
- F16K1/18—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps
- F16K1/20—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation arranged externally of valve member
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/16—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members
- F16K1/18—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps
- F16K1/20—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation arranged externally of valve member
- F16K1/2028—Details of bearings for the axis of rotation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/16—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members
- F16K1/18—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps
- F16K1/20—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation arranged externally of valve member
- F16K1/2042—Special features or arrangements of the sealing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/16—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members
- F16K1/18—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps
- F16K1/20—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation arranged externally of valve member
- F16K1/2042—Special features or arrangements of the sealing
- F16K1/2078—Sealing means for the axis of rotation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/48—Attaching valve members to screw-spindles
- F16K1/487—Attaching valve members to screw-spindles by a fixing element extending in the axial direction of the spindle, e.g. a screw
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/02—Construction of housing; Use of materials therefor of lift valves
- F16K27/0209—Check valves or pivoted valves
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lift Valve (AREA)
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
The invention discloses an integrated cup-shaped pipe joint, which relates to the field of cup-shaped pipe joints and comprises the following components: the pipe body comprises a side wall and an inner cavity formed by the side wall, wherein the side wall is provided with a first through hole and a second through hole which are oppositely arranged, the inner wall of the side wall is also provided with a supporting part, and the supporting part is arranged along the circumferential direction of the inner wall of the side wall and is close to the first through hole and the second through hole; the valve seat is positioned in the inner cavity, and one end of the valve seat is propped against the supporting part; one end of the valve shaft is arranged on the first through hole, the other end of the valve shaft passes through the second through hole and is at least partially positioned outside the pipe body, and the parts of the valve shaft positioned in the first through hole and the second through hole are sealed; the valve plate is positioned in the inner cavity and is fixed on the valve shaft; and a sealing pair disposed between the support portion, the valve seat, and the valve plate for forming a sealing structure with the valve plate. The integrated cup-shaped pipe joint is safe and reliable and has a compact structure.
Description
Technical Field
The invention relates to the field of cup-shaped pipe joints, in particular to an integrated cup-shaped pipe joint.
Background
The cup-shaped pipe joint is an inlet connecting piece for outboard cooling water to pass through a ship shell, and the side valve is a first sealing locking device after the cooling water enters the ship, so that the side valve serves as a portal of a sea-going system for improving safety, plays a role of quick closing when a system pipeline leaks, and generally needs to be directly connected with the cup-shaped pipe joint. Due to the shortage of space, the size of the side valve cannot be exceeded, which places high demands on the size of the side valve, especially in large-bore line systems.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide an integrated cup-shaped pipe joint which is safe, reliable and compact in structure.
In order to achieve the above purpose, the invention adopts the following technical scheme:
an integrated cup-shaped pipe joint comprising:
the pipe body comprises a side wall and an inner cavity formed by the side wall, wherein a first through hole and a second through hole which are oppositely arranged are formed in the side wall, a supporting part is further arranged on the inner wall of the side wall, and the supporting part is arranged along the circumferential direction of the inner wall of the side wall and is close to the first through hole and the second through hole;
the valve seat is positioned in the inner cavity, and one end of the valve seat is propped against the supporting part;
one end of the valve shaft is arranged on the first through hole, the other end of the valve shaft passes through the second through hole and is at least partially positioned outside the pipe body, and the parts of the valve shaft positioned in the first through hole and the second through hole are sealed;
a valve plate positioned within the interior cavity and secured to the valve shaft; and
and the sealing pair is arranged among the supporting part, the valve seat and the valve plate and is used for forming a sealing structure with the valve plate.
In the above aspect, the support portion is a protrusion extending in a radial direction of the pipe body along a circumferential direction of the inner wall of the side wall.
On the basis of the technical scheme, the valve seat is also provided with a valve seat gland.
On the basis of the technical scheme, the part of the valve shaft positioned in the first through hole is also sleeved with a first shaft sleeve.
On the basis of the technical scheme, the valve shaft is further provided with a valve shaft gland, and the valve shaft gland is positioned at the port of the first through hole.
On the basis of the technical scheme, the part of the valve shaft positioned in the second through hole is also sleeved with a second sleeve.
On the basis of the technical scheme, grooves are formed in the inner walls of the first shaft sleeve and the second shaft sleeve, and valve shaft sealing rings are arranged in the grooves.
On the basis of the technical scheme, the second through hole is a step hole, the step hole comprises an upper hole and a lower hole, the second sleeve is positioned in the lower hole, and the part of the valve shaft positioned in the upper hole is further sleeved with a bearing.
On the basis of the technical scheme, the valve plate is connected with the valve shaft through a key.
On the basis of the technical scheme, the integrated cup-shaped pipe joint further comprises a driving device, and the driving device is fixed on the part of the valve shaft located outside the pipe body.
Compared with the prior art, the invention has the advantages that:
the integrated cup-shaped pipe joint comprises a pipe body, a valve seat, a valve shaft, a valve plate and a sealing pair. After the first through hole and the second through hole are formed in the pipe body and the supporting portion is arranged on the inner wall of the side wall of the pipe body, the valve seat, the valve shaft and the valve plate of the side valve can be integrated on the cup-shaped pipe joint, the space size is saved, and convenience is brought to overall arrangement. In addition, due to the adoption of the soft sealing structure of the valve shaft sealing ring, the valve shaft sealing ring is reliable in sealing, good in performance and easy to detach, a valve shell is omitted, and production cost and maintenance cost are greatly reduced.
Drawings
Fig. 1 is a schematic structural view of an integrated cup-shaped pipe joint according to the present invention.
In the figure: 1-tube body, 11-side wall, 12-inner cavity, 13-first through hole, 14-second through hole, 15-supporting part, 2-valve seat, 3-valve shaft, 31-first shaft sleeve, 32-second shaft sleeve, 4-valve plate, 5-sealing pair, 6-valve seat gland, 7-valve shaft gland, 8-bearing, 9-driving device.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, the present invention provides an integrated cup-shaped pipe joint, which includes a pipe body 1, a valve seat 2, a valve shaft 3, a valve plate 4, and a sealing pair 5.
The pipe body 1 comprises a side wall 11 and an inner cavity 12 formed by the side wall 11, wherein a first through hole 13 and a second through hole 14 which are oppositely arranged are formed in the side wall 11, a supporting portion 15 is further arranged on the inner wall of the side wall 11, and the supporting portion 15 is arranged along the circumferential direction of the inner wall of the side wall 11 and is close to the first through hole 13 and the second through hole 14.
The support portion 15 in the present invention is a protrusion extending in the radial direction of the pipe body 1 along the circumferential direction of the inner wall of the side wall 11. The support portion 15 is mainly used to support the seal pair 5.
The valve seat 2 is located in the inner chamber 12, and one end of the valve seat 2 abuts against the support portion 15. The valve seat 2 is used for fixing the sealing pair 5, and a valve seat gland 6 is further arranged on the valve seat 2 for better fixing the sealing pair 5.
One end of the valve shaft 3 is arranged on the first through hole 13, the other end passes through the second through hole 14 and is at least partially positioned outside the pipe body 1, and the parts of the valve shaft 3 positioned in the first through hole 13 and the second through hole 14 are arranged in a sealing way. The valve shaft 3 is also provided with a valve shaft gland 7, the valve shaft gland 7 is positioned at the port of the first through hole 13, and the valve shaft gland 7 mainly plays a role in stabilizing the valve shaft 3.
In addition, the part of the valve shaft 3 positioned in the first through hole 13 is also sleeved with a first shaft sleeve 31, the part of the valve shaft 3 positioned in the second through hole 14 is also sleeved with a second shaft sleeve 32, the inner walls of the first shaft sleeve 31 and the second shaft sleeve 32 are both provided with grooves, and a valve shaft sealing ring is arranged in each groove, so that the sealing effect is achieved.
The second through hole 14 in the invention is a step hole, the step hole comprises an upper hole and a lower hole, the second shaft sleeve 32 is positioned in the lower hole, and the part of the valve shaft 3 positioned in the upper hole is also sleeved with the bearing 8.
The valve plate 4 is located within the interior chamber 12 and is secured to the valve shaft 3. Specifically, the valve plate 4 is keyed to the valve shaft 3. The valve plate 4 is driven by the valve shaft 3, and the valve plate 4 realizes opening and closing of the valve when rotating in the inner cavity 12.
The integrated cup-shaped tube segment according to the invention further comprises a drive means 9, which drive means 9 are fixed to the part of the valve shaft 3 located outside said tube body 1. The valve shaft 3 is driven to rotate by the driving device 9, and then the valve plate 4 is controlled to rotate, so that the valve can be opened and closed.
The sealing pair 5 is provided between the support portion 15, the valve seat 2 and the valve plate 4 for forming a sealing structure with the valve plate 4.
In summary, the present invention provides the first through hole 13 and the second through hole 14 on the pipe body 1, and the supporting portion 15 on the inner wall of the sidewall 11, so that the valve seat 2, the valve shaft 3 and the valve plate 4 of the side valve can be integrated on the cup-shaped pipe section, thereby saving the space size and bringing convenience to the overall arrangement. In addition, due to the adoption of the soft sealing structure of the valve shaft sealing ring, the valve shaft sealing ring is reliable in sealing, good in performance and easy to detach, a valve shell is omitted, and production cost and maintenance cost are greatly reduced.
The invention is not limited to the embodiments described above, but a number of modifications and adaptations can be made by a person skilled in the art without departing from the principle of the invention, which modifications and adaptations are also considered to be within the scope of the invention. What is not described in detail in this specification is prior art known to those skilled in the art.
Claims (6)
1. An integrated cup-shaped pipe joint, comprising:
the pipe body (1) comprises a side wall (11) and an inner cavity (12) formed by the side wall (11), wherein a first through hole (13) and a second through hole (14) which are oppositely arranged are formed in the side wall (11), a supporting part (15) is further arranged on the inner wall of the side wall (11), and the supporting part (15) is arranged along the circumferential direction of the inner wall of the side wall (11) and is close to the first through hole (13) and the second through hole (14);
a valve seat (2) located in the inner cavity (12), wherein one end of the valve seat (2) is propped against the supporting part (15);
a valve shaft (3), one end of which is arranged on the first through hole (13), the other end passes through the second through hole (14) and is at least partially positioned outside the pipe body (1), and the parts of the valve shaft (3) positioned in the first through hole (13) and the second through hole (14) are sealed;
a valve plate (4) which is located in the inner cavity (12) and is fixed on the valve shaft (3); and
a sealing pair (5) arranged between the support part (15), the valve seat (2) and the valve plate (4) and used for forming a sealing structure with the valve plate (4);
the part of the valve shaft (3) positioned in the first through hole (13) is also sleeved with a first shaft sleeve (31);
the part of the valve shaft (3) positioned in the second through hole (14) is also sleeved with a second sleeve (32);
grooves are formed in the inner walls of the first shaft sleeve (31) and the second shaft sleeve (32), and valve shaft sealing rings are arranged in the grooves;
the second through hole (14) is a step hole, the step hole comprises an upper hole and a lower hole, the second sleeve (32) is positioned in the lower hole, and a bearing (8) is sleeved on the part of the valve shaft (3) positioned in the upper hole;
the pipe body (1) is a cup-shaped pipe joint, and the valve seat (2), the valve shaft (3) and the valve plate (4) of the side valve are integrated on the cup-shaped pipe joint.
2. An integrated cup-shaped pipe joint according to claim 1, wherein: the support portion (15) is a protrusion extending in the radial direction of the pipe body (1) along the circumferential direction of the inner wall of the side wall (11).
3. An integrated cup-shaped pipe joint according to claim 1, wherein: the valve seat (2) is also provided with a valve seat gland (6).
4. An integrated cup-shaped pipe joint according to claim 1, wherein: the valve shaft (3) is further provided with a valve shaft gland (7), and the valve shaft gland (7) is located at the port of the first through hole (13).
5. An integrated cup-shaped pipe joint according to claim 1, wherein: the valve plate (4) is in key connection with the valve shaft (3).
6. An integrated cup-shaped pipe joint according to claim 1, wherein: the integrated cup-shaped pipe joint further comprises a driving device (9), and the driving device (9) is fixed on the part, located outside the pipe body (1), of the valve shaft (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711246993.0A CN108019523B (en) | 2017-12-01 | 2017-12-01 | Integrated cup-shaped pipe joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711246993.0A CN108019523B (en) | 2017-12-01 | 2017-12-01 | Integrated cup-shaped pipe joint |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108019523A CN108019523A (en) | 2018-05-11 |
| CN108019523B true CN108019523B (en) | 2024-01-30 |
Family
ID=62078224
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711246993.0A Active CN108019523B (en) | 2017-12-01 | 2017-12-01 | Integrated cup-shaped pipe joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108019523B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117704080B (en) * | 2024-02-06 | 2024-04-05 | 中国空气动力研究与发展中心空天技术研究所 | Labyrinth dynamic seal movable joint |
Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2496217A1 (en) * | 1980-12-12 | 1982-06-18 | Realisations Meca Ste Meusienn | VALVE SEALING DEVICE |
| US6669239B1 (en) * | 2002-05-08 | 2003-12-30 | Brunswick Corporation | Sealing device for a conduit passing through a wall |
| EP1450030A1 (en) * | 2003-02-18 | 2004-08-25 | Delphi Technologies, Inc. | Exhaust gas recirculation valve |
| CN201300964Y (en) * | 2008-10-31 | 2009-09-02 | 国营武昌造船厂 | Pipe penetration piece for marine pipeline |
| JP2010137787A (en) * | 2008-12-12 | 2010-06-24 | Honda Motor Co Ltd | Outboard motor |
| DE102010018024A1 (en) * | 2010-04-23 | 2011-10-27 | Metso Automation Mapag Gmbh | Shut-off |
| JP2013057259A (en) * | 2011-09-07 | 2013-03-28 | Denso Corp | Valve device |
| CN104154248A (en) * | 2014-08-14 | 2014-11-19 | 中科金佳（北京）油田技术开发有限公司 | Repeatedly opened and closed anti-leakage valve with cylindrical panel valve sealing structure |
| CN105090537A (en) * | 2015-05-27 | 2015-11-25 | 中国船舶重工集团公司第七一一研究所 | Low-leakage high-temperature butterfly valve and application of low-leakage high-temperature butterfly valve to marine diesel engine |
| CN205090008U (en) * | 2015-11-06 | 2016-03-16 | 浙江创兴化工设备有限公司 | Baffle valve |
| CN205689769U (en) * | 2016-06-22 | 2016-11-16 | 沈阳三三牌阀门制造有限责任公司 | The manual hull valve of copper alloy |
| CN106321867A (en) * | 2016-11-09 | 2017-01-11 | 胜利阀门有限公司 | Multilayerbidirectional hard sealing butterfly valve |
| CN206206806U (en) * | 2016-10-12 | 2017-05-31 | 武汉武船机电设备有限责任公司 | New cup-shaped tube coupling |
| CN207701778U (en) * | 2017-12-01 | 2018-08-07 | 中国船舶重工集团公司第七一九研究所 | Integrated form cupuliform tube coupling |
-
2017
- 2017-12-01 CN CN201711246993.0A patent/CN108019523B/en active Active
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2496217A1 (en) * | 1980-12-12 | 1982-06-18 | Realisations Meca Ste Meusienn | VALVE SEALING DEVICE |
| US6669239B1 (en) * | 2002-05-08 | 2003-12-30 | Brunswick Corporation | Sealing device for a conduit passing through a wall |
| EP1450030A1 (en) * | 2003-02-18 | 2004-08-25 | Delphi Technologies, Inc. | Exhaust gas recirculation valve |
| CN201300964Y (en) * | 2008-10-31 | 2009-09-02 | 国营武昌造船厂 | Pipe penetration piece for marine pipeline |
| JP2010137787A (en) * | 2008-12-12 | 2010-06-24 | Honda Motor Co Ltd | Outboard motor |
| DE102010018024A1 (en) * | 2010-04-23 | 2011-10-27 | Metso Automation Mapag Gmbh | Shut-off |
| JP2013057259A (en) * | 2011-09-07 | 2013-03-28 | Denso Corp | Valve device |
| CN104154248A (en) * | 2014-08-14 | 2014-11-19 | 中科金佳（北京）油田技术开发有限公司 | Repeatedly opened and closed anti-leakage valve with cylindrical panel valve sealing structure |
| CN105090537A (en) * | 2015-05-27 | 2015-11-25 | 中国船舶重工集团公司第七一一研究所 | Low-leakage high-temperature butterfly valve and application of low-leakage high-temperature butterfly valve to marine diesel engine |
| CN205090008U (en) * | 2015-11-06 | 2016-03-16 | 浙江创兴化工设备有限公司 | Baffle valve |
| CN205689769U (en) * | 2016-06-22 | 2016-11-16 | 沈阳三三牌阀门制造有限责任公司 | The manual hull valve of copper alloy |
| CN206206806U (en) * | 2016-10-12 | 2017-05-31 | 武汉武船机电设备有限责任公司 | New cup-shaped tube coupling |
| CN106321867A (en) * | 2016-11-09 | 2017-01-11 | 胜利阀门有限公司 | Multilayerbidirectional hard sealing butterfly valve |
| CN207701778U (en) * | 2017-12-01 | 2018-08-07 | 中国船舶重工集团公司第七一九研究所 | Integrated form cupuliform tube coupling |
Non-Patent Citations (2)
| Title |
|---|
| 船体结构的海洋腐蚀与防腐;陈忠维;;公安海警高等专科学校学报(03);全文 * |
| 长寿可靠型连杆式切断蝶阀设计研究开发;冯力;;机械传动(09);全文 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108019523A (en) | 2018-05-11 |
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