CN206513847U - A kind of Novel throttling valve - Google Patents
A kind of Novel throttling valve Download PDFInfo
- Publication number
- CN206513847U CN206513847U CN201720022793.6U CN201720022793U CN206513847U CN 206513847 U CN206513847 U CN 206513847U CN 201720022793 U CN201720022793 U CN 201720022793U CN 206513847 U CN206513847 U CN 206513847U
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- bonnet
- valve
- connecting seat
- valve rod
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Abstract
The utility model discloses a kind of Novel throttling valve, including valve body, bonnet, valve rod, valve rod lift drive mechanism and valve element;It is characterized in that:Also include connecting seat, connection ring and bonnet nut;Lateral surface evagination on valve body around bonnet mounting hole is formed with a cylindric connecting seat, and the lateral surface of connecting seat has external screw thread;The lateral surface evagination of bonnet is formed with the connection ring of a circle annular, and the overall diameter of connection ring is less than the overall diameter of connecting seat;Connection ring support connection is on connecting seat;Bonnet nut is has female socket type structure, and bonnet is integrally enclosed on the outside of connection ring and connecting seat, and bonnet nut is connected by internal thread with the external screw thread of connecting seat;Bonnet nut also has positioning convex ring, convexes into a circle positioning convex ring in bonnet nut in one end away from connecting seat, positioning convex ring with the end face of remote connecting seat in connection ring is spacing is connected.Novel throttling valve of the present utility model has simple and reasonable, the higher advantage of bonding strength.
Description
Technical field
The utility model belongs to by changing flow channels section to control the throttle field of fluid flow, specifically relates to
And a kind of Novel throttling valve.
Background technology
Choke valve be it is a kind of change the valve of pipeline fluid flow by changing in valve fluid flowing hole sectional area size, make
For a kind of key equipment, it is widely used in oil, on the production tree of natural gas drilling industry, its working environment is extremely severe, and
It is required that under high pressure, deep-etching, strong erosion-corrosion environment, accurately and reliably realizing different degrees of throttling requirement.
At present, existing notification number is:CN202510731U, the technical scheme of entitled " one kind surge wedge-shaped choke valve "
(Referring to this specification accompanying drawing 1)Including valve body 1, bonnet 4, valve rod 5, flap 3(Also referred to as " valve element "), valve seat 2, bonnet 4 fixes
It is connected on valve body 1, valve seat 2 is inlayed inside valve body cavity, the gap of valve rod 5 coordinates in the hole of bonnet 4, and its underpart is connected with valve
Valve 3, flap 3 is provided with wedge-shaped arc surface 301, and the intersecting lower connection one of the flap arc surface 301 is faced directly, and this face directly with
The diameter parallel of outlet opening 101.
But above-mentioned " one kind surge wedge-shaped choke valve " still has following weak point:
It is the flange connection using bolt, nut and ring flange between bonnet 4 and valve body 1, the structure not only zero is matched somebody with somebody
Part is more, and processing is got up increasingly complex;Screw thread between bolt, the nut and ring flange area that spins is smaller, causes bonnet 4 and valve body
Bonding strength between 1 is not high.
Based on this, applicant considers that a kind of structure of design is more simplified, higher new of bonding strength between bonnet and valve body
Type choke valve.
Utility model content
For above-mentioned the deficiencies in the prior art, technical problem to be solved in the utility model is:How a kind of knot is provided
Structure is more simplified, the higher Novel throttling valve of bonding strength between bonnet and valve body.
In order to solve the above-mentioned technical problem, the utility model employs following technical scheme:
A kind of Novel throttling valve, including valve body, bonnet, valve rod, valve rod lift drive mechanism and valve element;
The valve body is in integrally strip, and the valve inner has the flow channels of insertion along its length, the mistake
Side of the circulation road in the middle part of length direction is provided through the bonnet mounting hole of a cylindricality;
The bonnet integrally in sleeve-shaped and is fixedly mounted on the valve body, and the bonnet includes two sections and wherein one section
To expose section, another section is inserting paragraph;It is described to expose the outside that section is located at the valve body, the inserting paragraph gap ordinatedly grafting
In the bonnet mounting hole;
The valve rod integrally in shaft-like and is plugged in the bonnet;It is driving that the valve rod, which includes two sections and wherein one section,
Section, another section is restriction portion;The drive section exposes section and the valve rod lift drive mechanism stationary phase through the bonnet
Connect and elevating movement can be made;The restriction portion is plugged in the inserting paragraph of the bonnet and forms gap cooperation;
The valve element is fixedly connected on the end of the restriction portion of the valve rod, and the valve element is used for the liter with the valve rod
The overflow section for the flow channels for dropping to change the valve body;
It is characterized in that:Also include connecting seat, connection ring and bonnet nut;
Lateral surface evagination on the valve body around the bonnet mounting hole is formed with a cylindric connecting seat,
The lateral surface of the connecting seat has external screw thread;
The lateral surface evagination of the bonnet is formed with the connection ring of a circle annular, and the overall diameter of the connection ring is small
In the overall diameter of the connecting seat;The connection ring support connection is on the connecting seat;
The bonnet nut is has female socket type structure, and the bonnet is integrally enclosed on the connection ring with being connected
The outside of seat, and the bonnet nut is connected by internal thread with the external screw thread of the connecting seat;
The bonnet nut also has in positioning convex ring, the bonnet nut to be convexed into one end away from the connecting seat
The one circle positioning convex ring, the positioning convex ring with the end face of remote connecting seat in the connection ring is spacing is connected.
There is provided after above-mentioned connecting seat, connection ring and bonnet nut so that have between bonnet nut and connecting seat bigger
Screw thread spin face, there is bigger spacing joint face, therefore connecting seat can be promoted with being connected between bonnet nut and connection ring
Between ring while the volume and weight of choke valve is effectively reduced, with more firm attachment structure, and also cause whole
Body structure makes more compact structure, and it is more convenient to assemble up.
Preferably, two surfaces of spacing connection are tapered slope between the positioning convex ring and the connection ring.
After above-mentioned preferred structure, it may be such that there is bigger contact area between positioning convex ring and connection ring, lifting
Limit effect of the positioning convex ring of bonnet nut to the connection ring of bonnet, it is ensured that the assembling of bonnet is more firm.
Preferably, Novel throttling valve also includes the first sealing ring, the table that the connection ring is in contact with the connecting seat
Face is correspondingly arranged on the annular groove for installing first sealing ring, and the first sealing ring nesting is set in the annular groove.
After above-mentioned preferred structure, it can be lifted by the first sealing ring close between connection ring and the connecting seat
Feng Xing, and then the possibility for preventing the liquid in valve body flow channels from being oozed out through bonnet mounting hole so that well control effect is more preferable, more
The generation of good Prevention of blowout accident.
Preferably, Novel throttling valve also includes sand control structure, the sand control structure is included in the restriction portion of the valve rod
Lateral surface be recessed the ring annular groove to be formed, the annular groove is nested with the second sealing ring of setting.
The setting of above-mentioned second sealing ring, can further strengthen sealing between bonnet and valve body.
The ring shape the to be formed preferably, medial surface for the restriction portion that the sand control structure is included in the valve rod is recessed
Groove, the annular groove is nested with the 3rd sealing ring of setting.
Implement after above-mentioned sand control structure.Between valve body and bonnet, between valve rod and bonnet, sealing ring is all devised, this
Sample can just prevent the impurity such as sand from entering(Hand wheel component)Packing, can protect packing by erosion, can also not prevent valve rod
Jam during operation, increases service life.
Preferably, just pair being set on two faces being connected between the connection ring of the bonnet and the connecting seat of the valve body
Positioning blind hole is equipped with, the positioning is provided with alignment pin with grafting in blind hole.
After above-mentioned preferred structure, you can prevent the phase between bonnet and valve body with alignment pin with blind hole by positioning
To rotating, assembling and the positioning precision of lifting bonnet and valve body.
Preferably, the flow channels of the valve body include flow channel and flow pass, the flow channel and outflow
Passage is through-type passage and has 90 degree of angles between the two, and causes the Novel throttling valve to constitute Angle Throttle Valves;
The outer of the restriction portion of the valve rod is rectified to the outflow end passage, and the valve element is that can block the outflow end
The column construction of passage;The neighbouring flow channel side is provided with water conservancy diversion inclined-plane on the valve element, and the water conservancy diversion inclined-plane is with hanging down
Directly the angle between the reference plane of the length direction of the flow channel is 26 to 28 degree.
Compared in existing Angle Throttle Valves, the angle between water conservancy diversion inclined-plane and above-mentioned reference plane is 30 degree and set
In meter, the utility model, use above-mentioned angle for the water conservancy diversion inclined-plane of 26 to 28 degree, be not in because of water conservancy diversion inclined-plane so
Because of angle too small between reference plane, the situation for causing erosion of the fluid flowed through through flow channel to water conservancy diversion inclined-plane excessive,
While playing a part of protection water conservancy diversion inclined-plane;The degree of regulation of throttling can also be improved.
In addition, for needle-type throttle valve currently on the market, the valve element in this programme deviates from the one of flow channel
Side can be in contact with valve seat all the time, enter without producing vibration, stability is more preferable.
Preferably, Novel throttling valve also includes the anti-rotation structure for being used to prevent that valve rod from rotating, the anti-rotation structure includes
The anti-conversion groove and stop pin being correspondingly arranged;
The anti-conversion groove depression is formed at one end away from the valve element on the lateral surface of the restriction portion of the valve rod,
The anti-conversion groove is the strip consistent with the restriction portion length direction;
The stop pin is projected and formed in one end away from valve body flow channels on the medial surface of the inserting paragraph of the bonnet
And be plugged in the anti-conversion groove.
The setting of above-mentioned anti-rotation structure, can prevent valve core rotation, it is ensured that the water conservancy diversion inclined-plane of valve element is just logical to flowing into all the time
Road, prevents that valve element erosion is too fast.
Preferably, the anti-conversion groove and stop pin are spaced on the circumferencial direction around the valve rod
It is multigroup.
So, i.e., it can play a part of being better protected from the rotation of the restriction portion of valve element and valve rod in a circumferential direction.
Brief description of the drawings
Fig. 1 is that notification number is:CN202510731U, the structural representation of entitled " one kind surge wedge-shaped choke valve ".In Fig. 1
It is labeled as:1 valve body, 101 outlet openings, 2 valve seats, 3 flaps, 301 wedge-shaped arc surfaces, 302 face directly, 4 bonnets, 5 valve rods.
Fig. 2 and Fig. 3 are the structural representation of this Novel throttling valve.
Fig. 4 is enlarged drawing at A in Fig. 3.
Fig. 5 is enlarged drawing at B in Fig. 3.
Fig. 6 is enlarged drawing at C in Fig. 3.
Fig. 2 marks into Fig. 6:
1 valve body;1a connecting seats, 1b flow channels, 1c flow pass;
Bonnet:2a exposes section, 2b inserting paragraphs, 2c pressure balances through hole, 2d connection rings, 2e stop pins;
Valve rod:The anti-conversion groove of 3a drive sections, 3b restriction portions, 3c;
4 valve elements:4a water conservancy diversion inclined-plane;
5 hand wheel components;
6 bonnet nuts:6a positioning convex rings;
7 first sealing rings;
8 second sealing rings;
9 the 3rd sealing rings;
10 alignment pins;
11 valve seats.
Embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings.Wherein, for description using it is all as above,
Under, the exemplary term such as left and right, it is therefore intended that help reader to understand, without being intended for limitation.
During specific implementation:As shown in Figures 2 to 6, a kind of Novel throttling valve, including the lifting of valve body 1, bonnet, valve rod, valve rod
Drive mechanism and valve element 4;
The overall valve body 1 is in strip, and the inside of valve body 1 has the flow channels of insertion along its length, described
Side of the flow channels in the middle part of length direction is provided through the bonnet mounting hole of a cylindricality;
The bonnet integrally in sleeve-shaped and is fixedly mounted on the valve body 1, and the bonnet includes two sections and wherein one
Section is exposes a section 2a, and another section is inserting paragraph 2b;It is described to expose between the outside that section 2a is located at the valve body 1, the inserting paragraph 2b
Gap is ordinatedly plugged in the bonnet mounting hole;
The valve rod integrally in shaft-like and is plugged in the bonnet;It is driving that the valve rod, which includes two sections and wherein one section,
Section 3a, another section is restriction portion 3b;The drive section 3a exposes section 2a and the valve rod elevator drive machine through the bonnet
Structure is fixedly linked and can make elevating movement;The restriction portion 3b, which is plugged in the inserting paragraph 2b of the bonnet and forms gap, to be matched somebody with somebody
Close;
The valve element 4 is fixedly connected on the restriction portion 3b of valve rod end, and the valve element 4 is used for the valve rod
Lifting come the overflow section of the flow channels that change the valve body 1;
Wherein, Novel throttling valve also includes connecting seat 1a, connection ring 2d and bonnet nut 6;
Lateral surface evagination on the valve body 1 around the bonnet mounting hole is formed with a cylindric connecting seat
1a, the lateral surface of the connecting seat 1a has external screw thread;
The lateral surface evagination of the bonnet is formed with the connection ring 2d of a circle annular, and the connection ring 2d's is outer straight
Footpath is less than the overall diameter of the connecting seat 1a;The connection ring 2d support connections are on the connecting seat 1a;
The bonnet nut 6 to have a female socket type structure, the bonnet be integrally enclosed on the connection ring 2d with
Connecting seat 1a outside, and the bonnet nut 6 is connected by internal thread with the external screw thread of the connecting seat 1a;
The bonnet nut 6 also has in positioning convex ring 6a, the bonnet nut 6 in one end away from the connecting seat 1a
The end face for convexing into a circle positioning convex ring 6a, the positioning convex ring 6a and remote connecting seat 1a on the connection ring 2d is spacing
It is connected.
During implementation, it is preferable that at least one pressure balance is provided through on the inserting paragraph 2b of bonnet side wall and uses logical
Hole 2c.Because the inserting paragraph 2b gaps of bonnet are ordinatedly plugged in bonnet mounting hole(Namely:The inserting paragraph 2b's of bonnet is outer
There is " microgap at first " between side and the side wall of bonnet mounting hole), the restriction portion 3b gaps of valve rod coordinate and slidably
Ground is plugged in the inserting paragraph 2b of bonnet(Namely:The medial surface of the restriction portion 3b of valve rod lateral surface and the inserting paragraph 2b of bonnet
Between have " microgap at second "), so, at least one pressure is provided through on the inserting paragraph 2b of bonnet side wall and is put down
Weighing apparatus through hole 2c will can be connected between above-mentioned " microgap at first " and " microgap at second ", and then can cause the section of valve rod
The pressure convergence at stream section 3b two ends is equal and balances, so that the high pressure for reducing the liquid of the flow channels through valve body 1 is acted on
Valve element 4 simultaneously passes to the resistance that valve rod is formed, effectively the operational torque of reduction valve rod, so as to reduce the control difficulty of valve rod.
During implementation, preferably described pressure balance is radially consistent with through hole 2c length direction and valve rod.So, i.e.,
It may be such that pressure balance through hole 2c axial length is most short, so that processing of being more convenient for.Furthermore it is preferred that " microgap at first " with
" microgap at second " is all higher than zero and is less than 0.05 millimeter, and the pressure balance is less than 0.05mm with through hole 2c diameter;And should
Pressure balance through hole 2c is uniform intervals are set on the restriction portion 3b of valve rod circumferencial direction two.So, no
Liquid and wherein gravel in flow channels only can effectively be prevented into " microgap at first " and " microgap at second ",
The operational torque of valve rod effectively can also be reduced more than half so that valve rod manipulation is got up more accurate easy.
During implementation, the valve rod lift drive mechanism can be hydraulic cylinder or hand wheel component 5(Or electric assembly);And work as valve rod
When lift drive mechanism uses hand wheel component 5, also need to be equipped with following structure:The medial surface for exposing section 2a of the bonnet is set
Be equipped with internal thread, between the drive section 3a and restriction portion 3b of the valve rod for can around itself axial rotation connection;The valve
The hand wheel component 5 of the drive section 3a for rotating the valve rod, the valve rod are installed with the top of the drive section 3a of bar
Drive section 3a length directions in the middle part of lateral surface there is external screw thread and spin exposing in section 2a installed in the bonnet.So
One, you can by rotating hand wheel component 5 valve rod is lifted in bonnet, so as to carry out throttling regulation and control.
Above-mentioned hand wheel component 5(Or electric assembly)For prior art, therefore not to repeat here.
It is that can use following around the connection of itself axial rotation between the drive section 3a and restriction portion 3b of above-mentioned valve rod
Any one attachment structure in prior art(1st, publication number:CN105020468A, entitled " new flap and valve rod
Attachment structure ";2nd, notification number:CN201170331, entitled " a kind of attachment structure of valve petal body and valve rod ";3rd, notification number:
CN203718143U, entitled " a kind of attachment structure of flap and valve rod "), therefore not to repeat here.
Wherein, two surfaces of spacing connection are tapered slope between the positioning convex ring 6a and the connection ring 2d.
Wherein, Novel throttling valve also includes the first sealing ring 7, the table that the connection ring 2d is in contact with the connecting seat 1a
Face is correspondingly arranged on the annular groove for installing first sealing ring 7, and first sealing ring 7 is nested to set the annular groove
It is interior.
Wherein, Novel throttling valve also includes sand control structure, and the sand control structure is included in the restriction portion 3b's of the valve rod
Lateral surface is recessed the ring annular groove to be formed, and the annular groove is nested with the second sealing ring 8 of setting.
Wherein, the sand control structure be included in the restriction portion 3b of the valve rod the medial surface ring shape to be formed that is recessed it is recessed
Groove, the annular groove is nested with the 3rd sealing ring 9 of setting.
During implementation, the pressure balance of the bonnet is located at second sealing ring 8 on the length direction of bonnet with through hole 2c
And the 3rd position between sealing ring 9, and the 3rd sealing ring 9 is nearest apart from the flow channels of valve body 1.So, i.e.,
It is able to ensure that pressure balance through hole 2c is used for the effect for balancing the pressure at two of the choke valve of valve rod.
Wherein, it is corresponding on two faces being connected between the connection ring 2d of the bonnet and the connecting seat 1a of the valve body 1
Positioning blind hole is provided with, the positioning is provided with alignment pin 10 with grafting in blind hole.
Wherein, the flow channels of the valve body 1 include flow channel 1b and flow pass 1c, the flow channel 1b and stream
Go out passage 1c to be through-type passage and there are 90 degree of angles between the two, and cause the Novel throttling valve to constitute angie type throttling
Valve;
The outer of the restriction portion 3b of the valve rod is rectified to the outflow end passage, and the valve element 4 is that can block the stream
Go out to hold the column construction of passage;The neighbouring flow channel 1b sides are provided with water conservancy diversion inclined-plane 4a, the water conservancy diversion on the valve element 4
Angle between inclined-plane 4a and the reference plane of length direction perpendicular to the flow channel 1b is 26 to 28 degree.During implementation,
Most preferably 27 degree.
Wherein, Novel throttling valve, in addition to the anti-rotation structure for preventing valve rod from rotating, the anti-rotation structure include correspondence
The anti-conversion groove 3c and stop pin 2e set;
The anti-conversion groove 3c depressions are formed on the restriction portion 3b of valve rod lateral surface away from the valve element 4
One end, the anti-conversion groove 3c is the strip consistent with restriction portion 3b length directions;
The stop pin 2e is projected and formed on the inserting paragraph 2b of bonnet medial surface away from the flow channels of valve body 1
One end and it is plugged in the anti-conversion groove 3c.
Wherein, the anti-conversion groove 3c and stop pin 2e is spaced on the circumferencial direction around the valve rod
It is multigroup.
It is provided with this Novel throttling valve after above-mentioned connecting seat 1a, connection ring 2d and bonnet nut 6 so that bonnet nut 6
Between connecting seat 1a there is bigger screw thread to spin face, there is bigger spacing connection between bonnet nut 6 and connection ring 2d
Face, thus can promote between connecting seat 1a and connection ring 2d effectively reduce choke valve volume and weight while, have
More firm attachment structure, and also cause overall structure to make more compact structure.
It the above is only the utility model preferred embodiment, need to point out not departed from for those skilled in the art
On the premise of the technical program, several modifications and improvements can also be made, the technical scheme of above-mentioned modification and improvement should be regarded equally
For fall into this application claims scope.
Claims (9)
1. Novel throttling valve, including valve body, bonnet, valve rod, valve rod lift drive mechanism and valve element;
The valve body is in integrally strip, and the valve inner has the flow channels of insertion along its length, and described cross is circulated
Side of the road in the middle part of length direction is provided through the bonnet mounting hole of a cylindricality;
The bonnet integrally in sleeve-shaped and is fixedly mounted on the valve body, and it is dew that the bonnet, which includes two sections and wherein one section,
Go out section, another section is inserting paragraph;Described to expose the outside that section is located at the valve body, the inserting paragraph gap is ordinatedly plugged on institute
State in bonnet mounting hole;
The valve rod integrally in shaft-like and is plugged in the bonnet;It is drive section that the valve rod, which includes two sections and wherein one section,
Another section is restriction portion;The drive section is fixedly linked simultaneously through the section of exposing of the bonnet with the valve rod lift drive mechanism
Elevating movement can be made;The restriction portion is plugged in the inserting paragraph of the bonnet and forms gap cooperation;
The valve element is fixedly connected on the end of the restriction portion of the valve rod, and the valve element is used to come with the lifting of the valve rod
Change the overflow section of the flow channels of the valve body;
It is characterized in that:Also include connecting seat, connection ring and bonnet nut;
Lateral surface evagination on the valve body around the bonnet mounting hole is formed with a cylindric connecting seat, described
The lateral surface of connecting seat has external screw thread;
The lateral surface evagination of the bonnet is formed with the connection ring of a circle annular, and the overall diameter of the connection ring is less than institute
State the overall diameter of connecting seat;The connection ring support connection is on the connecting seat;
The bonnet nut is has a female socket type structure, and the bonnet is integrally enclosed on the connection ring and connecting seat
Outside, and the bonnet nut is connected by internal thread with the external screw thread of the connecting seat;
The bonnet nut also has in positioning convex ring, the bonnet nut convexes into a circle in one end away from the connecting seat
The positioning convex ring, the positioning convex ring spacing is connected with the end face away from connecting seat in the connection ring.
2. Novel throttling valve according to claim 1, it is characterised in that:Limited between the positioning convex ring and the connection ring
Two surfaces of position connection are tapered slope.
3. Novel throttling valve according to claim 1, it is characterised in that:Also include the first sealing ring, the connection ring with
The surface that the connecting seat is in contact is correspondingly arranged on the annular groove for installing first sealing ring, first sealing ring
Nesting is set in the annular groove.
4. Novel throttling valve according to claim 1, it is characterised in that:Also include sand control structure, the sand control structure bag
The lateral surface included in the restriction portion of the valve rod is recessed the ring annular groove to be formed, and the annular groove is nested with setting second
Sealing ring.
5. Novel throttling valve according to claim 4, it is characterised in that:The sand control structure is included in the section of the valve rod
The medial surface of stream section is recessed the ring annular groove to be formed, and the annular groove is nested with the 3rd sealing ring of setting.
6. Novel throttling valve according to claim 1, it is characterised in that:The connection ring of the bonnet and the company of the valve body
Just to being provided with positioning blind hole on two faces being connected between joint chair, the positioning is provided with alignment pin with grafting in blind hole.
7. Novel throttling valve according to claim 1, it is characterised in that:The flow channels of the valve body include flow channel
And flow pass, the flow channel and flow pass are through-type passage and have 90 degree of angles between the two, and cause
The Novel throttling valve constitutes Angle Throttle Valves;
The outer of the restriction portion of the valve rod is rectified to the outflow end passage, and the valve element is that can block the outflow end passage
Column construction;The neighbouring flow channel side is provided with water conservancy diversion inclined-plane on the valve element, the water conservancy diversion inclined-plane with perpendicular to
Angle between the reference plane of the length direction of the flow channel is 26 to 28 degree.
8. Novel throttling valve according to claim 7, it is characterised in that:Also include the anti-rotation knot for being used to prevent that valve rod from rotating
Structure, the anti-rotation structure includes the anti-conversion groove and stop pin being correspondingly arranged;
The anti-conversion groove depression is formed at one end away from the valve element on the lateral surface of the restriction portion of the valve rod, described
Anti- conversion groove is the strip consistent with the restriction portion length direction;
The stop pin is projected and formed in one end away from valve body flow channels on the medial surface of the inserting paragraph of the bonnet and inserted
It is connected in the anti-conversion groove.
9. Novel throttling valve according to claim 8, it is characterised in that:It is described it is anti-conversion groove and stop pin be around
It is spaced multigroup on the circumferencial direction of the valve rod.
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CN201720022793.6U CN206513847U (en) | 2017-01-10 | 2017-01-10 | A kind of Novel throttling valve |
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CN201720022793.6U CN206513847U (en) | 2017-01-10 | 2017-01-10 | A kind of Novel throttling valve |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111379862A (en) * | 2018-12-28 | 2020-07-07 | 三菱重工业株式会社 | Steam valve and power generation system |
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2017
- 2017-01-10 CN CN201720022793.6U patent/CN206513847U/en active Active
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111379862A (en) * | 2018-12-28 | 2020-07-07 | 三菱重工业株式会社 | Steam valve and power generation system |
CN111379862B (en) * | 2018-12-28 | 2022-04-05 | 三菱重工业株式会社 | Steam valve and power generation system |
US11306607B2 (en) | 2018-12-28 | 2022-04-19 | Mitsubishi Heavy Industries, Ltd. | Steam valve, and power generation system |
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Legal Events
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right |
Effective date of registration: 20180516 Address after: No. 69, Mount Huangshan Avenue, Yubei District, Chongqing, Chongqing Patentee after: Chongqing Qianwei Technology Group Co., Ltd. Address before: No. 69, Mount Huangshan Avenue, Yubei District, Chongqing, Chongqing Patentee before: CHONGQING QIANWEI OFFSHORE PETROLEUM ENGINEERING & EQUIPMENT CO., LTD. |
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