CN109185483A - A kind of combined valve - Google Patents
A kind of combined valve Download PDFInfo
- Publication number
- CN109185483A CN109185483A CN201811171107.7A CN201811171107A CN109185483A CN 109185483 A CN109185483 A CN 109185483A CN 201811171107 A CN201811171107 A CN 201811171107A CN 109185483 A CN109185483 A CN 109185483A
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- CN
- China
- Prior art keywords
- valve
- hole
- bearing
- valve body
- spool
- 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
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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
- F16K3/02—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 flat sealing faces; Packings therefor
-
- 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
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/60—Handles
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lift Valve (AREA)
Abstract
The invention discloses a kind of combined valves, including valve body, valve chamber is provided in valve body, spool is provided in valve chamber, through-hole one is provided in spool, one top middle portion of through-hole and be located at spool in be provided with bearing two, one center bottom of through-hole and be located at two bottom of bearing and be located at spool in be provided with bearing three, valve rod is provided through in the middle part of bearing two and bearing three, valve stem tip and be located at through-hole one in be provided with through-hole two, spool bottom end two sides and be located at valve chamber in be symmetrically arranged with rubber cushion blocks, spool top middle portion is provided with link block, link block top is provided with threaded rod, top end of the valve body side is provided with several screw holes, top end of the valve body is provided with access cover, access cover edge and screw hole corresponding position on valve body is provided with identical screw hole, access cover top two sides are provided with several struts, strut slant setting, strut top is provided with Fixed plate, fixed plate top are provided with bearing one, and threaded rod is in the middle part of fixed plate and in the middle part of bearing one.
Description
Technical field
The present invention relates to valve technology fields, it particularly relates to a kind of combined valve.
Background technique
Butterfly valve and gate valve are all the most common valves in production and sphere of life, and the major advantage of dish valve has: opening and closing is rapid
(only turning 90 °), fluid resistance is small, and it is time saving and energy saving to operate, and is suitable for often opening and closing operation, structural principle is simple, small in size, quality
Gently, price it is low particularly suitable for make large bore valves, regulation performance is good, suitable for make adjustments or throttle with etc., disadvantage is
Poor sealing performance will manufacture mesohigh, and especially bigbore mesohigh butterfly valve is difficult, and the major advantage of gate valve has: opening
State, fluid resistance caused by no flashboard and pressure are opened, sealing surface is small by medium erosion, and it is applied widely, it is used for high temperature and pressure
, the major defect of gate valve have cannot do regulating valve throttling use, for combined type invention prior art 1:CN108126387
A discloses a kind of combined valve: including two-position three-way valve, No. two valves, No. three valves, two-position three-way valve is equipped with P1 mouthfuls, A1 mouthfuls, B1
Mouthful, No. two valves are equipped with P2 mouthfuls, A2 mouthfuls, and No. three valves are equipped with P3 mouthfuls, A3 mouthfuls;P1 mouthfuls, A1 mouthfuls, B1 mouthfuls are arranged in water inlet flow channel, water inlet
Runner is equipped with rotatable valve plate, and water inlet flow channel and valve plate constitute two-position three-way valve;P2 mouthfuls, A2 mouthfuls, P3 mouthfuls, A3 mouthfuls are in cross
It is arranged on the circumferential wall of outlet passage, rotatable spool is installed in outlet passage, spool is equipped with intercommunicating pore and intercommunicating pore
The baffle of two sides;Spool has No.1 station when intercommunicating pore is connected to P2 mouthfuls-A2 mouthfuls, baffle shelters from P3 mouthfuls-A3 mouthfuls, Yi Jilian
No. two stations when through-hole is connected to P3 mouthfuls-A3 mouthfuls, baffle shelters from P2 mouthfuls-A2 mouthfuls.The present invention realizes two-position three-way valve, No. two
The linkage of valve, No. three valves switches, and pipeline structure is compact when applying in filter vat, and the monnolithic case of filter vat is also very succinct.It is existing
There is technology 2:CN204611025U to disclose a kind of novel feedwater piping aperture special-purpose combined type valve, including valve body I, valve body
II and valve body III, which is characterized in that the left end of the valve body I has been bolted valve body II, and the valve body III passes through bolt
It is fixed on the bottom righthand side of valve body I, there are cavity between the valve body I and valve body II, the cavity is divided into upper cavity and lower chamber,
It is from left to right successively arranged rubber seal and flashboard in lower chamber, valve rod is equipped in the right end of upper cavity, in the upper of valve rod
End is successively arranged gasket, sealing shroud and O-shaped rubber ring from the bottom up, pressure cap is equipped on the top of valve rod, in the left lateral position of gasket
In being equipped with square cushion in valve body II.With the above arrangement, the utility model Open valve, can water delivery, save human and material resources
And financial resources, shorten engineering time.The utility model can effectively solve because of loss and inconvenience caused by cutting off the water to client, improve
Water services quality and economic results in society.
However, existing valve does not have the valve for merging two advantages of butterfly valve and gate valve, if it is desired to making
Two valves will be a little installed with two valves, thus will increase use cost, and erroneous for installation, using trouble, no
With replicability.
For the problems in the relevant technologies, currently no effective solution has been proposed.
Summary of the invention
For the problems in the relevant technologies, the present invention proposes a kind of combined valve, to overcome existing the relevant technologies to be deposited
Above-mentioned technical problem.
The technical scheme of the present invention is realized as follows:
A kind of combined valve, including valve body are provided with valve chamber in the valve body, spool, the valve are provided in the valve chamber
In-core is provided with through-hole one, one top middle portion of through-hole and is located in the spool and is provided with bearing two, one bottom of through-hole
In the middle part of end and it is located at two bottom of bearing and is provided with bearing three in the spool, the bearing two and the bearing three
Middle part is provided through valve rod, the valve stem tip and is located in the through-hole one and is provided with through-hole two, the spool bottom end two
Side and be located at the valve chamber in be symmetrically arranged with rubber cushion blocks, the spool top middle portion is provided with link block, the link block
Top is provided with threaded rod, and the top end of the valve body side is provided with several screw holes, and the top end of the valve body is provided with access cover, described
Access cover edge and screw hole corresponding position on the valve body is provided with identical screw hole, access cover top two sides are provided with
Several struts, the strut slant setting, the strut top are provided with fixed plate, and the fixed plate top is provided with bearing
One, the threaded rod is in the middle part of the fixed plate and one middle part of the bearing, one two sides of bearing are provided with connecting rod, institute
It states connecting rod top and is provided with turntable, the valve body two sides are provided with valve pipe, and valve tube bottom end is provided with service valve pipe.
Further, the spare valve rod bottom end is provided with service valve handle.
Further, the valve chamber internal side wall is provided with gasket one.
Further, the valve rod bottom end is provided with handle.
Further, gasket two is provided between the two rubber cushion blocks bottom ends and positioned at the valve inner bottom end.
Further, T-type screw rod compatible with the screw hole is provided in the screw hole, the T-type screw tip is set
It is equipped with nut compatible with the T-type screw rod.
Further, the access cover bottom end and the top end of the valve body junction are provided with gasket.
Further, the diameter of the through-hole one is greater than the diameter of the through-hole two.
Further, service valve tube bottom end is provided with spare valve rod.
Further, the spare valve stem tip and be located at the service valve pipe in be provided with service valve through-hole.
Beneficial effects of the present invention: by the way that valve body to be mounted in equipment, if necessary to big flow, directly rotating turntable,
Spool is lifted by promoting threaded rod, then thoroughly opens valve pipe, if you do not need to big flow, flow directly as needed
Swing handle is adjusted to the flow of needs, this valve is provided with service valve, if valve body is impaired can to open service valve, prevents thing
Therefore generation, the setting of access cover is convenient to overhaul valve inner, and the setting of screw hole lid convenient to overhaul is connect with valve body, this
Rapidly, fluid resistance is small, and it is time saving and energy saving to operate, and is suitable for often opening and closing operation, structural principle is simple, body for the existing butterfly valve opening and closing of device
Product is small, and regulation performance is good, suitable for make adjustments or throttle with the advantages of there is gate valve again without fluid resistance caused by flashboard and pressure,
Sealing surface is small by medium erosion, and advantage applied widely is suitable for being widely used.
In addition, the setting of service valve handle and handle facilitates the opening and closing of corresponding valve, gasket one and gasket
Two setting increases the leakproofness of valve body, reduces the waste of water resource, the setting of T-type screw rod and nut can be by access cover and valve body
Fixation, the setting of gasket prevent access cover and the leak of valve body junction, increase the leakproofness of valve body.
Detailed description of the invention
It in order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, below will be to institute in embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the invention
Example, for those of ordinary skill in the art, without creative efforts, can also obtain according to these attached drawings
Obtain other attached drawings.
Fig. 1 is a kind of combined valve overall structure diagram according to an embodiment of the present invention.
In figure:
1, valve body;2, valve chamber;3, spool;4, through-hole one;5, bearing two;6, bearing three;7, valve rod;8, through-hole two;9, rubber pad
Block;10, link block;11, threaded rod;12, access cover;13, screw hole;14, strut;15, fixed plate;16, bearing one;17, it connects
Bar;18, turntable;19, valve pipe;20, service valve pipe;21, spare valve rod;22, service valve through-hole;23, nut;24, T-type screw rod;
25, gasket;26, gasket one;27, service valve handle;28, handle;29, gasket two.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art's every other embodiment obtained belong to what the present invention protected
Range.
According to an embodiment of the invention, providing a kind of combined valve.
As shown in Figure 1, a kind of combined valve according to an embodiment of the present invention, including valve body 1, the interior setting of the valve body 1
Have valve chamber 2, spool 3 be provided in the valve chamber 2, be provided with through-hole 1 in the spool 3, one 4 top middle portion of through-hole and
It is provided with bearing 25 in the spool 3, one 4 center bottom of through-hole and is located at 25 bottom of bearing and is located at institute
It states and is provided with bearing 36 in spool 3, the bearing 25 is provided through valve rod 7, the valve rod 7 with 36 middle part of bearing
Top and it is located in the through-hole 1 and is provided with through-hole 28,3 bottom end two sides of spool and being located in the valve chamber 2 is symmetrically set
Rubber cushion blocks 9 are equipped with, 3 top middle portion of spool is provided with link block 10, and 10 top of link block is provided with threaded rod 11,
The 1 top side of valve body is provided with several screw holes 13, and 1 top of valve body is provided with access cover 12,12 side of access cover
It is provided with identical screw hole 13 at angle and with 13 corresponding position of screw hole on the valve body 1, the 12 top two sides of access cover are provided with
Several struts 14,14 slant setting of strut, 14 top of strut are provided with fixed plate 15, and 15 top of fixed plate is set
It is equipped with bearing 1, the threaded rod 11 is through one 16 middle part of 15 middle part of fixed plate and the bearing, the bearing 1
Two sides are provided with connecting rod 17, and 17 top of connecting rod is provided with turntable 18, and 1 two sides of valve body are provided with valve pipe 19, institute
It states 19 bottom end of valve pipe and is provided with service valve pipe 20.
With the aid of the technical scheme, by the way that valve body 1 to be mounted in equipment, if necessary to big flow, directly rotation turns
Spool 3 is lifted by promoting threaded rod 11, valve pipe 19 is then thoroughly opened, if you do not need to big flow, direct basis by disk 18
The flow swing handle 28 needed, is adjusted to the flow of needs, this valve is provided with service valve, if valve body 1 is impaired to be opened
Service valve prevents the generation of accident, and the setting of access cover 12 is convenient to overhauling inside valve body 1, and the setting of screw hole 13 is convenient
Access cover 12 is connect with valve body 1, and rapidly, fluid resistance is small, and it is time saving and energy saving to operate, suitable for often opening for the existing butterfly valve opening and closing of this device
Closed operation, structural principle is simple, small in size, and regulation performance is good, suitable for the advantages of the using that make adjustments or throttle, and has gate valve without lock
Fluid resistance caused by plate and pressure, sealing surface is small by medium erosion, and advantage applied widely is suitable for being widely used.
In addition, 21 bottom end of spare valve rod is provided with service valve handle 27,2 internal side wall of valve chamber is provided with sealing
Pad 1,7 bottom end of valve rod are provided with handle 28, between two 9 bottom ends of rubber cushion blocks and are located at 1 inner bottom of valve body
End, which is provided in the screw hole 13 of gasket 2 29, is provided with T-type screw rod 24 compatible with the screw hole 13, the T-type screw rod
24 tops are provided with nut 23 compatible with the T-type screw rod 24, and 12 bottom end of access cover is connect with 1 top of valve body
Place is provided with gasket 25, and the diameter of the through-hole 1 is greater than the diameter of the through-hole 28,20 bottom end of the service valve pipe setting
There is a spare valve rod 21, spare 21 top of valve rod and is located in the service valve pipe 20 and is provided with service valve through-hole 22;It is spare
The setting of valve handle 27 and handle 28 facilitates the opening and closing of corresponding valve, and the setting of gasket 1 and gasket 2 29 increases
The leakproofness for adding valve body 1, reduces the waste of water resource, and the setting of T-type screw rod 24 and nut 23 can consolidate access cover 12 and valve body 1
Fixed securely the setting of gasket 25 prevents access cover 12 and 1 junction leak of valve body, increases the leakproofness of valve body 1.
In conclusion by means of above-mentioned technical proposal of the invention, by the way that valve body 1 to be mounted in equipment, if necessary
Big flow, directly rotation turntable 18, spool 3 is lifted, valve pipe 19 is then thoroughly opened, if be not required to by promoting threaded rod 11
Big flow is wanted, flow swing handle 28 directly as needed is adjusted to the flow of needs, this valve is provided with service valve, such as
Fruit valve body 1 is impaired can to open service valve, prevent the generation of accident, and the setting of access cover 12 is convenient to overhauling inside valve body 1,
The setting of screw hole 13 lid 12 convenient to overhaul is connect with valve body 1, and rapidly, fluid resistance is small, and operation saves for the existing butterfly valve opening and closing of this device
Shi Shengli, be suitable for often opening and closing operation, structural principle is simple, and small in size, regulation performance is good, suitable for make adjustments or throttling it is excellent
Point, and have gate valve without fluid resistance caused by flashboard and pressure, sealing surface is small by medium erosion, advantage applied widely,
It is suitable for being widely used.
In addition, the setting of service valve handle 27 and handle 28 facilitates the opening and closing of corresponding valve, one 26 He of gasket
The setting of gasket 2 29 increases the leakproofness of valve body 1, reduces the waste of water resource, the setting energy of T-type screw rod 24 and nut 23
By 1 fixation of access cover 12 and valve body, the setting of gasket 25 prevents access cover 12 and 1 junction leak of valve body, increases valve body 1
Leakproofness.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of combined valve, which is characterized in that including valve body (1), be provided with valve chamber (2), the valve in the valve body (1)
It is provided with spool (3) in chamber (2), is provided with through-hole one (4) in the spool (3), through-hole one (4) top middle portion and be located at
It is provided with bearing two (5) in the spool (3), through-hole one (4) center bottom and is located at bearing two (5) bottom and position
In being provided with bearing three (6) in the spool (3), valve rod is provided through in the middle part of the bearing two (5) and the bearing three (6)
(7), valve rod (7) top and be located in the through-hole one (4) and be provided with through-hole two (8), spool (3) the bottom end two sides and
It is symmetrically arranged with rubber cushion blocks (9) in the valve chamber (2), spool (3) top middle portion is provided with link block (10), institute
It states link block (10) top to be provided with threaded rod (11), valve body (1) the top side is provided with several screw holes (13), the valve
Body (1) top is provided with access cover (12), access cover (12) edge and with screw hole (13) corresponding position on the valve body (1)
It is provided with identical screw hole (13), access cover (12) the top two sides are provided with several struts (14), and the strut (14) is inclined
It tiltedly places, strut (14) top is provided with fixed plate (15), and fixed plate (15) top is provided with bearing one (16), institute
Threaded rod (11) are stated in the middle part of the fixed plate (15) and in the middle part of the bearing one (16), bearing one (16) the two sides setting
Having connecting rod (17), connecting rod (17) top is provided with turntable (18), and valve body (1) two sides are provided with valve pipe (19),
Valve pipe (19) bottom end is provided with service valve pipe (20).
2. a kind of combined valve according to claim 1, which is characterized in that spare valve rod (21) bottom end is provided with
Service valve handle (27).
3. a kind of combined valve according to claim 1, which is characterized in that valve chamber (2) internal side wall is provided with
Gasket one (26).
4. a kind of combined valve according to claim 1, which is characterized in that valve rod (7) bottom end is provided with handle
(28).
5. a kind of combined valve according to claim 1, which is characterized in that between two rubber cushion blocks (9) bottom ends
And it is located at the valve body (1) inner bottom and is provided with gasket two (29).
6. a kind of combined valve according to claim 1, which is characterized in that be provided in the screw hole (13) with it is described
The compatible T-type screw rod (24) of screw hole (13), T-type screw rod (24) top is provided with to be adapted with the T-type screw rod (24)
Nut (23).
7. a kind of combined valve according to claim 1, which is characterized in that access cover (12) bottom end and the valve
Body (1) top junction is provided with gasket (25).
8. a kind of combined valve according to claim 1, which is characterized in that the diameter of the through-hole one (4) is greater than institute
State the diameter of through-hole two (8).
9. a kind of combined valve according to claim 1, which is characterized in that service valve pipe (20) bottom end is provided with
Spare valve rod (21).
10. a kind of combined valve according to claim 9, which is characterized in that spare valve rod (21) top and position
Service valve through-hole (22) are provided in the service valve pipe (20).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201811171107.7A CN109185483A (en) | 2018-10-02 | 2018-10-02 | A kind of combined valve |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201811171107.7A CN109185483A (en) | 2018-10-02 | 2018-10-02 | A kind of combined valve |
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Publication Number | Publication Date |
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CN109185483A true CN109185483A (en) | 2019-01-11 |
Family
ID=64947309
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201811171107.7A Pending CN109185483A (en) | 2018-10-02 | 2018-10-02 | A kind of combined valve |
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US4187872A (en) * | 1976-11-02 | 1980-02-12 | Tapco International, Inc. | Control valve assembly |
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CN2551823Y (en) * | 2002-04-29 | 2003-05-21 | 宝山钢铁股份有限公司 | Internal bypass pressure-reducing hidden rod gate valve |
CN1782475A (en) * | 2004-12-01 | 2006-06-07 | 宁伟 | Butterfly valve |
RU2338108C1 (en) * | 2007-03-12 | 2008-11-10 | Общество с ограниченной ответственностью "НефтемашСистема" | Gate valve |
CN103968090A (en) * | 2014-05-21 | 2014-08-06 | 哈尔滨工程大学 | Butterfly-gate type throttle valve |
WO2014176430A1 (en) * | 2013-04-25 | 2014-10-30 | Ohio University | Emergency shutdown valves with bypass features |
CN203963049U (en) * | 2014-07-11 | 2014-11-26 | 江苏大高机械有限公司 | Combined type turnover panel ball valve |
CN204942744U (en) * | 2015-08-12 | 2016-01-06 | 河南般德流体控制有限公司 | A kind of for the stop valve in high-pressure liquid |
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CN205824212U (en) * | 2016-07-07 | 2016-12-21 | 浙江鼎耐塑胶管阀有限公司 | A kind of electric butterfly valve |
CN106855136A (en) * | 2017-03-02 | 2017-06-16 | 许成伟 | Heavy caliber high pressure fixing ball valve bypass system |
CN107091333A (en) * | 2017-05-10 | 2017-08-25 | 盐城威乐阀门制造有限公司 | A kind of double eccentric flexible sealing butterfly valves of favorable sealing property |
CN107289154A (en) * | 2017-06-23 | 2017-10-24 | 南通国电电站阀门股份有限公司 | A kind of HTHP soft and hard seal release pollution discharge type parallel slide valve |
CN206738591U (en) * | 2017-05-10 | 2017-12-12 | 盐城威乐阀门制造有限公司 | A kind of double eccentric flexible sealing butterfly valves of favorable sealing property |
CN107664230A (en) * | 2016-07-29 | 2018-02-06 | 潼南县玉兰铸造厂(微型企业) | High stability stop valve |
CN207701808U (en) * | 2017-12-29 | 2018-08-07 | 江苏金府村石油装备有限公司 | A kind of valve |
CN108426051A (en) * | 2018-05-22 | 2018-08-21 | 宁振江 | A kind of Double-seal valve |
-
2018
- 2018-10-02 CN CN201811171107.7A patent/CN109185483A/en active Pending
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US4405113A (en) * | 1981-05-11 | 1983-09-20 | Josiephine Reed Erwin | Reciprocating expandable gate valve |
CN2551823Y (en) * | 2002-04-29 | 2003-05-21 | 宝山钢铁股份有限公司 | Internal bypass pressure-reducing hidden rod gate valve |
CN1782475A (en) * | 2004-12-01 | 2006-06-07 | 宁伟 | Butterfly valve |
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CN103968090A (en) * | 2014-05-21 | 2014-08-06 | 哈尔滨工程大学 | Butterfly-gate type throttle valve |
CN203963049U (en) * | 2014-07-11 | 2014-11-26 | 江苏大高机械有限公司 | Combined type turnover panel ball valve |
CN204942744U (en) * | 2015-08-12 | 2016-01-06 | 河南般德流体控制有限公司 | A kind of for the stop valve in high-pressure liquid |
CN205315733U (en) * | 2016-01-20 | 2016-06-15 | 安徽铜陵科力阀门有限责任公司 | Binary channels butterfly valve |
CN105757271A (en) * | 2016-05-10 | 2016-07-13 | 浙江理工大学 | Novel flow fine-adjustment gate valve |
CN205824212U (en) * | 2016-07-07 | 2016-12-21 | 浙江鼎耐塑胶管阀有限公司 | A kind of electric butterfly valve |
CN107664230A (en) * | 2016-07-29 | 2018-02-06 | 潼南县玉兰铸造厂(微型企业) | High stability stop valve |
CN106855136A (en) * | 2017-03-02 | 2017-06-16 | 许成伟 | Heavy caliber high pressure fixing ball valve bypass system |
CN107091333A (en) * | 2017-05-10 | 2017-08-25 | 盐城威乐阀门制造有限公司 | A kind of double eccentric flexible sealing butterfly valves of favorable sealing property |
CN206738591U (en) * | 2017-05-10 | 2017-12-12 | 盐城威乐阀门制造有限公司 | A kind of double eccentric flexible sealing butterfly valves of favorable sealing property |
CN107289154A (en) * | 2017-06-23 | 2017-10-24 | 南通国电电站阀门股份有限公司 | A kind of HTHP soft and hard seal release pollution discharge type parallel slide valve |
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CN108426051A (en) * | 2018-05-22 | 2018-08-21 | 宁振江 | A kind of Double-seal valve |
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Application publication date: 20190111 |
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RJ01 | Rejection of invention patent application after publication |