CN110671506A - Lock nut type double-seal ring valve - Google Patents
Lock nut type double-seal ring valve Download PDFInfo
- Publication number
- CN110671506A CN110671506A CN201910986320.1A CN201910986320A CN110671506A CN 110671506 A CN110671506 A CN 110671506A CN 201910986320 A CN201910986320 A CN 201910986320A CN 110671506 A CN110671506 A CN 110671506A
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- China
- Prior art keywords
- valve
- lock nut
- clamp spring
- upper sealing
- locking nut
- 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.)
- Pending
Links
- 238000007789 sealing Methods 0.000 claims abstract description 112
- 210000002105 tongue Anatomy 0.000 claims description 28
- 238000010276 construction Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000002337 anti-port Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000881 depressing effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
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
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/22—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with sealing faces shaped as surfaces of solids of revolution
- F16K3/24—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with sealing faces shaped as surfaces of solids of revolution with cylindrical valve members
- F16K3/246—Combination of a sliding valve and a lift valve
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- 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
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B39/00—Locking of screws, bolts or nuts
- F16B39/02—Locking of screws, bolts or nuts in which the locking takes place after screwing down
- F16B39/10—Locking of screws, bolts or nuts in which the locking takes place after screwing down by a plate, spring, wire or ring immovable with regard to the bolt or object and mainly perpendicular to the axis of the bolt
-
- 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
- F16K27/04—Construction of housing; Use of materials therefor of sliding valves
- F16K27/041—Construction of housing; Use of materials therefor of sliding valves cylindrical slide valves
-
- 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
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/30—Details
-
- 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
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/30—Details
- F16K3/314—Forms or constructions of slides; Attachment of the slide to the spindle
-
- 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
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/30—Details
- F16K3/316—Guiding of the slide
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lift Valve (AREA)
Abstract
The invention belongs to the technical field of valves, and particularly relates to a locking nut type double-seal ring valve which comprises a valve body and a valve seat sealing sleeve arranged in the valve body, wherein a valve clack is arranged in the valve seat sealing sleeve, the valve clack is connected with a valve rod, a sealing surface is arranged at the lower end of the valve rod, an upper sealing locking nut used for pressing the valve seat sealing sleeve is arranged in the valve body, the upper sealing locking nut is in threaded connection with the valve body, a clamp spring is arranged at the upper end of the upper sealing locking nut, and a corresponding clamp spring groove is; the clamp spring is provided with a pressing tongue, and the upper sealing lock nut is provided with a corresponding pressing tongue groove. The upper sealing lock nut is arranged at the upper end of the valve seat sealing sleeve and is in threaded connection with the valve body, and the upper sealing lock nut is screwed to enable the upper sealing lock nut to compress the valve seat sealing sleeve, so that the upper sealing lock nut can be prevented from loosening.
Description
Technical Field
The invention belongs to the technical field of valves, and particularly relates to a locking nut type double-seal ring valve.
Background
The original common valves are disposable waste products, the sealing surfaces of the valves are fixed in the valve body in a surfacing or tight fit mode, and the valve clack is matched with the sealing surface in the valve body to play a sealing role. However, this structure can only be replaced as a whole when the sealing surface is damaged. In order to solve the technical problems, the invention patent with the patent application number of 200710061671.9 discloses a double-seal sealing ring valve, two sealing rings are added to the valve, and the valve can be replaced after being worn; however, the inner sleeve is fixed by the valve cover, which is easy to cause loosening phenomenon and inner leakage due to production precision and long-term use.
Disclosure of Invention
Aiming at the technical problem, the invention provides a locking nut type double-seal ring valve which can effectively prevent a valve seat sealing sleeve from loosening.
In order to solve the technical problems, the invention adopts the technical scheme that:
the locking nut type double-seal ring valve comprises a valve body and a valve seat sealing sleeve arranged in the valve body, wherein a valve clack is arranged in the valve seat sealing sleeve, the valve clack is connected with a valve rod, a sealing surface is arranged at the lower end of the valve rod, an upper sealing locking nut is arranged in the valve body, the valve seat sealing sleeve can be pressed through the upper sealing locking nut, the upper sealing locking nut is connected with the valve body in a threaded manner, a clamp spring is arranged at the upper end of the upper sealing locking nut, a corresponding clamp spring groove is arranged in the valve body, and the clamp spring; the upper sealing lock nut is provided with a straight groove which is convenient to rotate; the clamp spring is provided with a pressing tongue, and the upper sealing lock nut is provided with a corresponding pressing tongue groove. The press tongue can be clamped into the press tongue groove, so that the resistance is increased, and the rotation of the upper sealing lock nut is limited. An inner sealing ring is arranged at the lower end of the valve seat sealing sleeve, and the inner sealing ring and the valve seat sealing sleeve are preferably integrally formed.
Furthermore, the shape of the sealing surface on the valve rod is preferably an external conical surface, and an internal conical surface matched with the external conical surface is arranged on the upper sealing lock nut. A rubber ring is arranged in the clamp spring groove. When the rubber ring is installed, the rubber ring is firstly placed, then the clamp spring is placed, and resistance is increased by arranging the rubber ring. The outer surface of the clamp spring is provided with outer teeth, and the outer teeth can be pressed into the rubber ring to further improve resistance.
At least two, preferably three, pressure tongues are arranged; each pressure tongue is evenly distributed along the circumferential direction of the clamp spring; the sealing lock nut is provided with the same number of tongue pressing grooves; and because the number of the bolt pressing grooves is increased, a straight groove can be omitted, and a tool is inserted into the bolt pressing grooves to rotate the sealing lock nut.
The valve comprises a valve clack, a valve seat sealing sleeve, a valve seat and a valve seat, wherein the valve clack is arranged on the valve clack, the valve clack is arranged on two sides of the valve clack, and the inner wall of the valve seat sealing sleeve is provided with a track groove matched with the track.
The valve rod is connected with control system, and control system includes the singlechip, and the singlechip is connected with step motor through the step motor driver, step motor and valve rod fixed connection are equipped with torque sensor on the valve rod, and torque sensor passes through the AD converter and connects on the singlechip, and the singlechip is connected with the keyboard through the wire. The keyboard is provided with an opening key, a stop key and a stop key which respectively control the forward rotation, the reverse rotation and the closing of the stepping motor.
When the valve is installed, the valve seat sealing sleeve and the valve clack are installed, the lower end of the valve rod is connected with the valve clack, the upper sealing lock nut is connected with the valve body through threads, internal threads are arranged in the valve body, and an external nut is arranged outside the upper sealing lock nut; the upper sealing lock nut is screwed to tightly press the valve seat sealing sleeve, so that the looseness of the valve seat sealing sleeve is prevented. After screwing, aligning the pressing tongue with the pressing tongue groove, clamping the clamp spring into the clamp spring groove, and pressing the pressing tongue into the pressing tongue groove; the upper sealing lock nut can be pressed by the clamp spring, so that the phenomenon that the upper sealing lock nut rotates reversely due to vibration and the like can be avoided, and looseness of the upper sealing lock nut is prevented.
Compared with the prior art, the invention has the following beneficial effects:
the upper sealing lock nut is arranged at the upper end of the valve seat sealing sleeve and is in threaded connection with the valve body, and the upper sealing lock nut is screwed to enable the upper sealing lock nut to compress the valve seat sealing sleeve, so that the upper sealing lock nut can be prevented from loosening. Meanwhile, the upper seal locking nut is matched with the valve rod to form upper seal, so that leakage is prevented. The upper end of the upper sealing lock nut is provided with a clamp spring, and the upper sealing lock nut is further fixed through the clamp spring to prevent the upper sealing lock nut from loosening. The valve can be suitable for high-medium and low-pressure valves such as stop valves, gate valves, check valves and the like.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a portion of the present invention;
FIG. 3 is a partial isometric view of one construction of the present invention;
FIG. 4 is a schematic structural diagram of the clamp spring of the present invention;
FIG. 5 is a schematic structural view of an upper seal nut of the present invention;
FIG. 6 is a partial isometric view of another construction of the invention;
FIG. 7 is another structural diagram of the clamp spring of the present invention;
FIG. 8 is a schematic view of another structure of the clamp spring of the present invention;
FIG. 9 is a schematic view of the construction of the valve flap of the present invention;
FIG. 10 is a schematic view of the construction of the seat seal sleeve of the present invention;
FIG. 11 is a block diagram of a modular configuration of the control system of the present invention;
wherein: the valve comprises a valve body 1, a valve seat sealing sleeve 2, a valve clack 3, a valve rod 4, an upper sealing lock nut 5, a snap spring 6, a snap spring groove 7, a pressure tongue 8, a pressure tongue groove 9, a rubber ring 10, an outer tooth 11, a sealing surface 12, a sealing surface of the valve seat sealing sleeve 13, a track 14, a track groove 15, a control system 16, a single chip microcomputer 16-1, a stepping motor driver 16-2, a stepping motor 16-3, a torque sensor 16-4, an A/D converter 16-5 and a keyboard 16-6.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 to 5, the locking nut type double-seal ring valve comprises a valve body 1 and a valve seat sealing sleeve 2 arranged in the valve body 1, wherein a valve clack 3 is arranged in the valve seat sealing sleeve 2, the valve clack 3 is connected with a valve rod 4, a sealing surface 12 is arranged on the valve rod 4, an upper sealing locking nut 5 used for pressing the valve seat sealing sleeve 2 is arranged in the valve body 1, the upper sealing locking nut is in threaded connection with the valve body 1, and a linear groove is arranged on the upper sealing locking nut 5, so that the upper sealing locking nut is convenient to; the upper end of the upper sealing lock nut 5 is provided with a clamp spring 6, and the clamp spring 6 is clamped in a clamp spring groove 7; the clamp spring 6 is provided with a pressing tongue 8, the upper sealing lock nut 5 is provided with a corresponding pressing tongue groove 9, and the pressing tongue 8 can be clamped into the pressing tongue groove 9, so that the resistance is increased, and the rotation of the upper sealing lock nut is limited.
When the valve is installed, the valve seat sealing sleeve 2 and the valve clack 3 are installed, the lower end of the valve rod 4 is connected with the valve clack 3, the upper sealing lock nut is connected with the valve body 1 in a threaded mode, internal threads are arranged in the valve body 1, and an external nut is arranged outside the upper sealing lock nut 5; the upper sealing lock nut 5 is screwed to press the valve seat sealing sleeve 2 tightly, so that the looseness of the valve seat sealing sleeve is prevented. After screwing, aligning the pressing tongue 8 with the pressing tongue groove 9, clamping the snap spring 6 into the snap spring groove 7, and pressing the pressing tongue 8 into the pressing tongue groove 9; through setting up jump ring 6 and can compress tightly sealed lock mother 5, can avoid leading to its antiport owing to reasons such as vibration, prevent that it is not hard up.
An inner sealing ring is arranged at the lower end of the valve seat sealing sleeve 2, and the inner sealing ring and the valve seat sealing sleeve 2 are preferably integrally formed.
Taking a stop valve as an example: the valve rod 4 is driven by the hand wheel to rotate downwards, so that the valve clack 3 below the valve rod 4 is pressed (attached) on the lower surface (namely the sealing surface 13 of the valve seat sealing sleeve) of the valve seat sealing sleeve 2 to play a role in closing the valve; when needing to open, the contra-rotating hand wheel makes valve rod 4 drive valve clack 3 rebound, and when the lower extreme of valve rod 4 rose to the female 5 of last sealed lock, the sealed face 12 of valve rod 4 and the female 5 laminating of last sealed lock played the upper seal effect, prevented the medium outflow to reduce the emergence of leaking the phenomenon outward.
Further, the shape of the sealing surface 12 on the valve rod 4 is preferably an external conical surface, and the upper sealing lock nut 5 is provided with an internal conical surface matched with the external conical surface.
Further, as shown in fig. 6, a rubber ring 10 is provided in the clamp spring groove 7. When the installation is carried out, the rubber ring 10 is firstly put in and then the clamp spring 6 is put in. The resistance is increased by the provision of the rubber ring 10.
Further, as shown in fig. 7, the outer surface of the snap spring 6 is provided with outer teeth 11, and the outer teeth 11 can be pressed into the rubber ring 10, so that the resistance is further improved.
Further, as shown in fig. 8, at least two, preferably three, depressing tongues 8 are provided; each pressure tongue 8 is evenly distributed along the circumferential direction of the clamp spring 6; the sealing lock nut 5 is provided with the same number of tongue pressing grooves 9; and because the number of the bolt pressing grooves 9 is increased, a straight groove can be omitted, and a tool is inserted into the bolt pressing grooves 9 to rotate the seal lock nut 5.
Further, as shown in fig. 9 and 10, rails 14 are disposed on two sides of the valve flap 3, and a rail groove 15 matched with the rails 14 is disposed on the inner wall of the valve seat sealing sleeve 2, so that the valve flap 3 can be prevented from being loosened in the up-and-down movement, and the sealing performance of the valve can be enhanced.
Further, as shown in fig. 11, the valve rod 4 is connected with a control system 16, the control system 16 includes a single chip microcomputer 16-1, the single chip microcomputer 16-1 is connected with a stepping motor 16-3 through a stepping motor driver 16-2, the stepping motor 16-3 is fixedly connected with the valve rod 4, the valve rod 4 is provided with a torque sensor 16-4, the torque sensor 16-4 is connected with the single chip microcomputer 16-1 through an a/D converter 16-5, the single chip microcomputer 16-1 is connected with a keyboard 16-6 through a lead, the keyboard 16-6 is provided with an open key, a stop key and a stop key to respectively control the forward rotation, the reverse rotation and the closing of the stepping motor 16-3, when the valve needs to be opened, the open key is pressed, the single chip microcomputer sends a forward rotation pulse signal to the stepping motor driver 16-2, the stepping motor driver 16-2 controls, at the moment, the valve is opened, when the valve rod 4 rotates to a limit position, the torque sensor 16-4 on the valve rod 4 sends an electric signal, the electric signal is converted into a digital signal through the A/D converter 16-5 and sent to the single chip microcomputer 16-1, at the moment, the single chip microcomputer 16-1 stops sending a pulse signal, the valve rod 4 stops rotating, similarly, a stop key is pressed when the valve needs to be stopped, the valve rod 4 stops after reversing to the limit position, when the control system 16 needs to stop working, a close key is pressed, the single chip microcomputer 16-1 stops sending the pulse signal, and at the moment, the control system stops working.
Although only the preferred embodiments of the present invention have been described in detail, the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art, and all changes are encompassed in the scope of the present invention.
Claims (8)
1. Lock female formula double seal circle valve, including valve body (1) and setting up disk seat sealing sleeve (2) in valve body (1), be equipped with valve clack (3) in disk seat sealing sleeve (2), valve clack (3) hookup has valve rod (4), and valve rod (4) lower extreme is equipped with sealed face (12), its characterized in that: an upper sealing lock nut (5) is arranged in the valve body (1), the valve seat sealing sleeve (2) can be pressed through the upper sealing lock nut (5), the upper sealing lock nut (5) is in threaded connection with the valve body (1), a clamp spring (6) is arranged at the upper end of the upper sealing lock nut (5), and a corresponding clamp spring groove (7) is formed in the valve body (1); the clamp spring (6) is provided with a pressing tongue (8), and the upper sealing lock nut (5) is provided with a corresponding pressing tongue groove (9).
2. The locking nut type double sealing ring valve according to claim 1, characterized in that: the sealing surface (12) of the valve rod (4) is an external conical surface, and the upper sealing lock nut (5) is provided with an internal conical surface matched with the external conical surface.
3. The locking nut type double sealing ring valve according to claim 1 or 2, characterized in that: and a rubber ring (10) is arranged in the clamp spring groove (7).
4. The locking nut type double sealing ring valve according to claim 3, characterized in that: the outer surface of the clamp spring (6) is provided with outer teeth (11).
5. The locking nut type double sealing ring valve according to claim 1 or 2, characterized in that: the number of the pressing tongues (8) is at least two, and the pressing tongues (8) are evenly distributed along the circumferential direction of the clamp spring (6).
6. The locking nut type double sealing ring valve according to claim 1, characterized in that: the both sides of valve clack (3) are equipped with track (14), the inner wall of disk seat sealing sleeve (2) is equipped with track groove (15) with track (14) complex.
7. The locking nut type double sealing ring valve according to claim 1, characterized in that: the valve rod (4) is connected with a control system (16), the control system (16) comprises a single chip microcomputer (16-1), the single chip microcomputer (16-1) is connected with a stepping motor (16-3) through a stepping motor driver (16-2), the stepping motor (16-3) is fixedly connected with the valve rod (4), a torque sensor (16-4) is arranged on the valve rod (4), the torque sensor (16-4) is connected to the single chip microcomputer (16-1) through an A/D converter (16-5), and the single chip microcomputer (16-1) is connected with a keyboard (16-6) through a lead.
8. The locking nut type double sealing ring valve according to claim 6, characterized in that: the keyboard (16-6) is provided with an opening key, a stop key and a stop key which respectively control the forward rotation, the reverse rotation and the closing of the stepping motor (16-3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910986320.1A CN110671506A (en) | 2019-10-17 | 2019-10-17 | Lock nut type double-seal ring valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910986320.1A CN110671506A (en) | 2019-10-17 | 2019-10-17 | Lock nut type double-seal ring valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110671506A true CN110671506A (en) | 2020-01-10 |
Family
ID=69083082
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910986320.1A Pending CN110671506A (en) | 2019-10-17 | 2019-10-17 | Lock nut type double-seal ring valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110671506A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20220325804A1 (en) * | 2021-04-13 | 2022-10-13 | Michael Pellegrini | Globe valve assembly |
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| JP2008064301A (en) * | 2006-08-07 | 2008-03-21 | Fuji Koki Corp | Pilot type control valve |
| CN101595315A (en) * | 2007-02-27 | 2009-12-02 | 费希尔控制产品国际有限公司 | Valve rod is connected to the device of valve member |
| CN201636338U (en) * | 2010-03-22 | 2010-11-17 | 陈璐璐 | Check valve for large-caliber power plant |
| CN104653797A (en) * | 2015-02-12 | 2015-05-27 | 宣达实业集团有限公司 | High-pressure self-balancing and self-sealing piston type throttle regulation stop valve |
| CN105257893A (en) * | 2015-11-09 | 2016-01-20 | 五洲阀门有限公司 | High-temperature molten salt dissection ball valve |
| CN105880454A (en) * | 2015-02-12 | 2016-08-24 | 费希尔控制产品国际有限公司 | Valve stem and plug connections and staking tools |
| CN206600517U (en) * | 2017-03-03 | 2017-10-31 | 黑龙江北方阀业有限责任公司 | A kind of stop valve |
| CN108167461A (en) * | 2018-01-31 | 2018-06-15 | 黑龙江北方阀业有限责任公司 | It is a kind of to idle discharge steam valve |
| CN210830552U (en) * | 2019-10-17 | 2020-06-23 | 太原纳新食品有限公司 | Lock nut type double-seal ring valve |
-
2019
- 2019-10-17 CN CN201910986320.1A patent/CN110671506A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2408331Y (en) * | 2000-01-30 | 2000-11-29 | 徐步豪 | Hand wheel controllable high pressure valve |
| JP2008064301A (en) * | 2006-08-07 | 2008-03-21 | Fuji Koki Corp | Pilot type control valve |
| CN200954844Y (en) * | 2006-09-26 | 2007-10-03 | 阚永祥 | Auxiliary parts for electric bicycle lock |
| CN101595315A (en) * | 2007-02-27 | 2009-12-02 | 费希尔控制产品国际有限公司 | Valve rod is connected to the device of valve member |
| CN201636338U (en) * | 2010-03-22 | 2010-11-17 | 陈璐璐 | Check valve for large-caliber power plant |
| CN104653797A (en) * | 2015-02-12 | 2015-05-27 | 宣达实业集团有限公司 | High-pressure self-balancing and self-sealing piston type throttle regulation stop valve |
| CN105880454A (en) * | 2015-02-12 | 2016-08-24 | 费希尔控制产品国际有限公司 | Valve stem and plug connections and staking tools |
| CN105257893A (en) * | 2015-11-09 | 2016-01-20 | 五洲阀门有限公司 | High-temperature molten salt dissection ball valve |
| CN206600517U (en) * | 2017-03-03 | 2017-10-31 | 黑龙江北方阀业有限责任公司 | A kind of stop valve |
| CN108167461A (en) * | 2018-01-31 | 2018-06-15 | 黑龙江北方阀业有限责任公司 | It is a kind of to idle discharge steam valve |
| CN210830552U (en) * | 2019-10-17 | 2020-06-23 | 太原纳新食品有限公司 | Lock nut type double-seal ring valve |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20220325804A1 (en) * | 2021-04-13 | 2022-10-13 | Michael Pellegrini | Globe valve assembly |
| US11808378B2 (en) * | 2021-04-13 | 2023-11-07 | Michael Pellegrini | Globe valve assembly |
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