CN108533775A - A kind of multistage flow safety valve of Petroleum Production - Google Patents
A kind of multistage flow safety valve of Petroleum Production Download PDFInfo
- Publication number
- CN108533775A CN108533775A CN201810392583.5A CN201810392583A CN108533775A CN 108533775 A CN108533775 A CN 108533775A CN 201810392583 A CN201810392583 A CN 201810392583A CN 108533775 A CN108533775 A CN 108533775A
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- groove
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Classifications
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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
- 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
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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
- 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
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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
- 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
- F16K3/34—Arrangements for modifying the way in which the rate of flow varies during the actuation of the 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
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K47/00—Means in valves for absorbing fluid energy
- F16K47/02—Means in valves for absorbing fluid energy for preventing water-hammer or noise
- F16K47/023—Means in valves for absorbing fluid energy for preventing water-hammer or noise for preventing water-hammer, e.g. damping of the valve movement
Abstract
The invention belongs to petroleum production art, specifically a kind of Petroleum Production offers inlet with multistage flow safety valve, including valve seat, valve body, the first valve module, the second valve module, third valve module and propulsion die, valve seat；Valve body and valve seat are to be threadedly coupled, and right side offers threaded hole on valve body, and liquid outlet is further opened on valve body；First valve module is mounted on valve seat, and the first valve module is used for first order flow control；Second valve module is mounted on the first valve module, and the second valve module is used for second level flow control；Third valve module is mounted on the second valve module, and third valve module is used for the flow control of third pole；Propulsion die is mounted in the threaded hole of valve body, and propulsion die is used to control the work of the first valve module, the second valve module and third valve module.Present invention is mainly used for flow realize Multistage Control, flow control more precisely, while control valve have good cushion performance and stability.
Description
Technical field
The invention belongs to petroleum production art, the multistage flow safety valve of specifically a kind of Petroleum Production.
Background technology
Flow control valve is also known as 400X flow control valves, is a kind of to control the multi-functional of flow using high-precision guide's mode
Valve.It need to be controlled flow and the pipeline of pressure suitable for sparge pipe, keep predetermined amount of flow constant, by excessive flow restriction one
A predetermined value, and upstream high is suitably lowered, even if the pressure of main valve upstream changes, main valve downstream will not be influenced
Flow.Flow control valve is to carry out the flow of control orifice by the size for changing throttling oral fluid resistance under certain pressure difference, from
And adjust the valve class of executive component (hydraulic cylinder or hydraulic motor) movement velocity.Include mainly throttle valve, speed governing valve, overflow throttling
Valve and flow divider-combiner etc..
The technical solution for also occurring some flow control valves in the prior art, as application No. is 201410064029.6
One Chinese patent discloses a kind of flow control valve, including valve body, and equal difference overflow valve cavity is equipped in valve body and throttle valve is empty
Chamber；It is equipped with the valve pocket of equal difference overflow valve in equal difference overflow valve cavity, the spool I of equal difference overflow valve is equipped in valve pocket, by valve
The damping hole I and damping hole II that the both sides core I are set make pressure channel constitute two-stage damping；Valve pocket inner cavity left end, which is equipped with, adjusts spiral shell
Bar；Damping hole IV is set on the annular groove III of valve pocket；Vessel V2 and hole are set between equal difference overflow valve cavity and throttling valve cavity
III；Damping hole III is set in vessel V2；Damping hole IV and damping hole III constitutes two-stage damping in pressure feedback channel；Throttling
Spool II is set in valve cavity；The right end of spool II sets bellmouth, and the push rod of bellmouth and proportion electro-magnet constitutes the valve of throttle valve
Mouthful；The channel being connected with valve port is set in spool II, which connect with output oil port, and other end connects with damping hole III
It is logical；After using the above structure, which has good reliability and stability.But the flow control valve cannot be real
The control accuracy of existing Multistage Control, flow is inaccurate.
In consideration of it, a kind of multistage flow safety valve of Petroleum Production of the present invention, when can realize to Petroleum Production
Realize Multistage Control, it is more accurate to the control of oil flow, improve Petroleum Production efficiency.
Invention content
In order to make up for the deficiencies of the prior art, the present invention proposes a kind of multistage flow safety valve of Petroleum Production, this hair
It is bright be mainly used for oil flow realize Multistage Control, oil flow control more precisely, while control valve have it is good
Cushion performance and stability.
The technical solution adopted by the present invention to solve the technical problems is：A kind of Petroleum Production of the present invention is multistage
Flow safety valve, including valve seat, valve body, the first valve module, the second valve module, third valve module and propulsion die, institute
The valve seat stated offers inlet；The valve body and valve seat is to be threadedly coupled, and right side offers threaded hole on valve body, on valve body
It is further opened with liquid outlet；First valve module is mounted on valve seat, and the first valve module is used for first order flow control；
Second valve module is mounted on the first valve module, and the second valve module is used for second level flow control；Described
Third valve module is mounted on the second valve module, and third valve module is used for the flow control of third pole；The propulsion module
Block is mounted in the threaded hole of valve body, and propulsion die is for controlling the first valve module, the second valve module and third valve mould
The work of block.
The third valve module includes third valve plug, gear, L-type rack one, L-type rack two, spring three and fixes
Bar offers No. three grooves on the third valve plug, and third valve plug is circular ring type；The gear is located in No. three grooves,
Gear is mounted in fixed link；The fixed link is mounted in No. three grooves；The L-type rack one and gear engagement, L-type
Rack one is located at the right of gear；The L-type rack two and gear engagement, L-type rack two are located at the left side of gear；Described
One end of spring three is connected on L-type rack two, on the other end connection L-type rack one of spring three.When work, ball three enters
Into No. three grooves, ball three pushes L-type rack one to move, and L-type rack one is rotated with moving gear, and gear rotation drives L-type tooth
Item two moves, and L-type rack two moves away in the groove of the second valve plug, and third valve plug and the second valve module are detached from, and are being promoted
Under the drive of module, third valve plug leaves the second valve module, opens three-level flow valve.
Second valve module includes the second valve plug, ball two, spring two, spring four, pushing block two and sliding block two, institute
No. two grooves are offered on the second valve plug stated, the second valve plug is circular ring type, and the second valve plug inner wall is further opened with groove and No. three
Groove is corresponding；The ball two is located in No. two grooves, and the outer wall of third valve plug is equipped with hemispherical groove；The spring
Two one end is fixedly connected with ball two, the other end of spring two and the connection of the second valve plug；One end of the spring four and circle
Ball two is fixedly connected；The pushing block two is connected with the other end of spring four；The sliding block two and pushing block two contact.Work
When, propulsion die pushes third valve module to be moved to the left, and ball two is pushed into No. two inside grooves, spring four by third valve plug
Under elastic reaction, pushing block two is pushed to move, sliding block two is pushed into the groove of the first valve plug by pushing block two, with third valve plug after
Continuous movement, ball two is under the elastic reaction of spring two, the hemispherical groove fitting on ball two and third valve plug, pushing block two to
Lower movement and sliding block two detach, and propulsion die reversion drives the second valve module to move right, and opens two_stage flow valve.
First valve module includes the first valve plug, ball one, spring one, spring five, pushing block one and sliding block one, described
The first valve plug offer No.1 groove, the first valve plug is circular ring type, and the second valve plug inner wall is further opened with groove and No. two grooves
Corresponding, groove is built-in with rubber antiskid pad；The ball one is located in No.1 groove, and the outer wall of the second valve plug is equipped with hemisphere
Connected in star；One end of the spring one is fixedly connected with ball one, the other end of spring one and the connection of the first valve plug, spring one
Elasticity be more than spring two elasticity；One end of the spring five is fixedly connected with ball one；The pushing block one and spring
Five other end connection；The sliding block one and pushing block one contact, and valve base inner wall is further opened with groove and No.1 groove is corresponding,
Groove is built-in with rubber antiskid pad, and sliding block one is located in the groove on valve seat.When work, propulsion die pushes the second valve module
It is moved to the left, ball one is pushed into No.1 groove by the second valve plug, under five elastic reaction of spring, is pushed pushing block one to move, is pushed away
Sliding block one is pushed into the groove of valve seat by block one, as the second valve plug continues to move to, elastic reaction of the ball one in spring one
Under, the hemispherical groove fitting on ball one and the second valve plug, pushing block 21 is moved down to be detached with sliding block one, and propulsion die is anti-
Turn that the first valve module is driven to move right, opens level-one flow valve.
The propulsion die includes handspike, spring six, the 4th valve plug, ball three and spring seven, the handspike
Across the threaded hole of valve body, handspike is connected with valve body screw thread；The spring six is connected on handspike；4th valve
Plug is fixedly connected with the other end of spring six, and the right end of the 4th valve plug opens up fluted, and the left end of handspike is located in groove, the
The left end of four valve plugs also opens up fluted；The ball three is located in the groove of the 4th valve plug left end, and the quantity of ball three is
Four；The spring seven and ball three connect.When work, handspike is rotated, handspike pushes the 4th valve plug to be moved to the left, and the 4th
Valve plug enters in third valve plug, and ball three enters in No. three grooves, and ball three blocks third valve module, handspike reversion
It moves right, third valve module is driven to move right, open three-level flow valve.
The beneficial effects of the invention are as follows：
1. a kind of multistage flow safety valve of Petroleum Production of the present invention, the present invention passes through the first valve module, the
Two valve modules, third valve module and propulsion die cooperate, and realize that flow control is more to the Multistage Control of flow
Accurately, flow as needed is different, control flow outflow；Propulsion die has cushioning effect simultaneously, increases control valve
Service life.
2. propulsion die described in utilizes the cushioning effect of spring seven, has reduced or remitted fluid directly to the collision of handspike, has protected
The parts for protecting control valve, extend service life, avoid the replacement to parts, reduce maintenance cost.
3. third valve module described in utilizes the mutual cooperation of gear, L-type rack one, L-type rack two and spring three, real
The disengaging of third valve module and the second valve module is showed and has blocked, and then realized three-level flow control, equipment is simple, operation
It is convenient to get up.
Description of the drawings
The invention will be further described below in conjunction with the accompanying drawings.
Fig. 1 is the front view of the present invention；
Fig. 2 is enlarged drawing at A in Fig. 1；
Fig. 3 is enlarged drawing at B in Fig. 1；
In figure：Valve seat 1, valve body 2, the first valve module 3, the first valve plug 31, ball 1, spring 1, spring 5 34,
Pushing block 1, sliding block 1, No.1 groove 37, the second valve module 4, the second valve plug 41, ball 2 42, spring 2 43, spring
4 44, pushing block 2 45, sliding block 2 46, No. two grooves 47, third valve module 5, third valve plug 51, gear 52, L-type racks one
53, L-type rack 2 54, spring 3 55,56, No. three grooves 57 of fixed link, propulsion die 6, handspike 61, spring the 6 62, the 4th
Valve plug 63, ball 3 64, spring 7 65.
Specific implementation mode
In order to make the technical means, the creative features, the aims and the efficiencies achieved by the present invention be easy to understand, tie below
Specific implementation mode is closed, the present invention is further explained.
As shown in Figure 1 to Figure 3, a kind of Petroleum Production of the present invention multistage flow safety valve, including valve seat 1, valve
Body 2, the first valve module 3, the second valve module 4, third valve module 5 and propulsion die 6, the valve seat 1 offer into
Liquid mouth；The valve body 2 and valve seat 1 is to be threadedly coupled, and right side offers threaded hole on valve body 2, and liquid is further opened with out on valve body 2
Mouthful；First valve module 3 is mounted on valve seat 1, and the first valve module 3 is used for first order flow control；Described
Two valve modules 4 are mounted on the first valve module 3, and the second valve module 4 is used for second level flow control；The third valve
Door module 5 is mounted on the second valve module 4, and third valve module 5 is used for the flow control of third pole；The propulsion die 6
In the threaded hole of valve body 2, propulsion die 6 is for controlling the first valve module 3, the second valve module 4 and third valve
The work of module 5.
As one embodiment of the present invention, third valve module 5 includes third valve plug 51, gear 52, L-type rack one
53, L-type rack 2 54, spring 3 55 and fixed link 56 offer No. three grooves 57, third valve plug on the third valve plug 51
51 be circular ring type；The gear 52 is located in No. three grooves 57, and gear 52 is mounted in fixed link 56；The fixed link 56
In No. three grooves 57；The L-type rack 1 and gear 52 engage, and L-type rack 1 is located at the right of gear 52；
The L-type rack 2 54 and gear 52 engage, and L-type rack 2 54 is located at the left side of gear 52；The one of the spring 3 55
End is connected on L-type rack 2 54, on the other end connection L-type rack 1 of spring 3 55.When work, ball 3 64 enters
In No. three grooves 57, ball 3 64 pushes L-type rack 1 to move, and one 53 band moving gear 52 of L-type rack rotates, and gear 52 rotates
L-type rack 2 54 is driven to move, L-type rack 2 54 moves away in the groove of the second valve plug 41, third valve plug 51 and the second valve
Door module 4 is detached from, and under the drive of propulsion die 6, third valve plug 51 leaves the second valve module 4, opens three-level flow valve
Door.
As one embodiment of the present invention, second valve module 4 include the second valve plug 41, ball 2 42,
Spring 2 43, spring 4 44, pushing block 2 45 and sliding block 2 46, offer No. two grooves 47 on second valve plug 41, and second
Valve plug 41 is circular ring type, and 41 inner wall of the second valve plug is further opened with groove and No. three grooves 57 are corresponding；2 42, the ball
In in No. two grooves 47, the outer wall of third valve plug 51 is equipped with hemispherical groove；One end of the spring 2 43 and ball 2 42
It is fixedly connected, the other end of spring 2 43 and the connection of the second valve plug 41；One end of the spring 4 44 and ball 2 42 are fixed
Connection；The pushing block 2 45 is connected with the other end of spring 4 44；The sliding block 2 46 and pushing block 2 45 contact.Work
When, 61 module of handspike pushes third valve module 5 to be moved to the left, and ball 2 42 is pushed into No. two grooves 47 by third valve plug 51
Inside under 4 44 elastic reaction of spring, pushes pushing block 2 45 to move, and sliding block 2 46 is pushed into the first valve plug 31 by pushing block 2 45
In groove, as third valve plug 51 continues to move to, ball 2 42 is under the elastic reaction of spring 2 43, ball 2 42 and third valve
Hemispherical groove fitting on plug 51, pushing block 2 45 is moved down to be detached with sliding block 2 46, and the reversion of 61 module of handspike drives the
Two valve modules 4 move right, and open two_stage flow valve.
As one embodiment of the present invention, first valve module 3 includes the first valve plug 31, ball 1, bullet
Spring 1, spring 5 34, pushing block 1 and sliding block 1, first valve plug 31 offer No.1 groove 37, the first valve plug
31 be circular ring type, and 41 inner wall of the second valve plug is further opened with groove and No. two grooves 47 are corresponding, and groove is built-in with rubber antiskid pad；
The ball 1 is located in No.1 groove 37, and the outer wall of the second valve plug 41 is equipped with hemispherical groove；The spring 1
One end be fixedly connected with ball 1, the other end of spring 1 and the connection of the first valve plug 31, the elasticity of spring 1 is more than
The elasticity of spring 2 43；One end of the spring 5 34 is fixedly connected with ball 1；The pushing block 1 and spring five
34 other end connection；The sliding block 1 and pushing block 1 contact, and 1 inner wall of valve seat is further opened with groove and No.1 groove 37
Corresponding, groove is built-in with rubber antiskid pad, and sliding block 1 is located in the groove on valve seat 1.When work, 61 module of handspike pushes away
It the second valve module 4 to be moved to the left, ball 1 is pushed into No.1 groove 37 by the second valve plug 41, and 5 34 elasticity of spring is made
Under, pushing block 1 is pushed to move, sliding block 1 is pushed into the groove of valve seat 1 by pushing block 1, with the second valve plug 41 after
Continuous movement, ball 1 is under the elastic reaction of spring 1, the hemispherical groove fitting on ball 1 and the second valve plug 41,
Pushing block 2 45 is moved down to be detached with sliding block 1, and the reversion of 61 module of handspike drives the first valve module 3 to move right, and beats
Open level-one flow valve.
As one embodiment of the present invention, the propulsion die 6 includes handspike 61, spring 6 62, the 4th valve
Plug 63, ball 3 64 and spring 7 65, the handspike 61 pass through the threaded hole of valve body 2, handspike 61 and 2 screw thread of valve body to connect
It connects；The spring 6 62 is connected on handspike 61；4th valve plug 63 is fixedly connected with the other end of spring 6 62,
The right end of 4th valve plug 63 opens up fluted, and the left end of handspike 61 is located in groove, and the left end of the 4th valve plug 63 also offers
Groove；The ball 3 64 is located in the groove of 63 left end of the 4th valve plug, and the quantity of ball 3 64 is four；The spring seven
65 and ball 3 64 connect.When work, handspike 61 is rotated, handspike 61 pushes the 4th valve plug 63 to be moved to the left, the 4th valve plug
63 enter in third valve plug 51, and ball 3 64 enters in No. three grooves 57, and ball 3 64 blocks third valve module 5, hand
The reversion of push rod 61 moves right, and third valve module 5 is driven to move right, and opens three-level flow valve.
When work, handspike 61 is rotated, handspike 61 pushes the 4th valve plug 63 to be moved to the left, and the 4th valve plug 63 enters the
In three valve plugs 51, ball 3 64 enters in No. three grooves 57, and ball 3 64 pushes L-type rack 1 to move, L-type rack 1
Band moving gear 52 rotates, and the rotation of gear 52 drives L-type rack 2 54 to move, and L-type rack 2 54 moves away the second valve plug 41
In groove, third valve plug 51 and the second valve module 4 are detached from, and under the drive of propulsion die 6, third valve plug 51 leaves the second valve
Door module 4, opens three-level flow valve；61 module of handspike is rotated again, and 61 module of handspike pushes third valve module 5
It is moved to the left, ball 2 42 is pushed into inside No. two grooves 47 by third valve plug 51, under 4 44 elastic reaction of spring, pushes pushing block
2 45 movements, sliding block 2 46 is pushed into the groove of the first valve plug 31 by pushing block 2 45, as third valve plug 51 continues to move to, circle
Ball 2 42 is under the elastic reaction of spring 2 43, the hemispherical groove fitting on ball 2 42 and third valve plug 51, pushing block 2 45
It moves down and is detached with sliding block 2 46, the reversion of 61 module of handspike drives the second valve module 4 to move right, and opens two_stage flow
Valve；61 module of handspike is rotated again, and 61 module of handspike pushes the second valve module 4 and is moved to the left, and the second valve plug 41 will
Ball 1 is pushed into No.1 groove 37, under 5 34 elastic reaction of spring, pushing block 1 is pushed to move, pushing block 1 is by sliding block
One 36 are pushed into the groove of valve seat 1, as the second valve plug 41 continues to move to, elastic reaction of the ball 1 in spring 1
Under, the hemispherical groove fitting on ball 1 and the second valve plug 41, pushing block 2 45 is moved down to be detached with sliding block 1, hand
The reversion of 61 module of push rod drives the first valve module 3 to move right, and opens level-one flow valve.
The basic principles, main features and advantages of the invention have been shown and described above.The technical staff of the industry should
Understand, the present invention is not limited to the above embodiments, and the above embodiments and description only describe the originals of the present invention
Reason, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes and improvements
It all fall within the protetion scope of the claimed invention.The claimed scope of the invention is by appended claims and its equivalent circle
It is fixed.
Claims (5)
1. a kind of multistage flow safety valve of Petroleum Production, it is characterised in that：Including valve seat (1), valve body (2), the first valve mould
Block (3), the second valve module (4), third valve module (5) and propulsion die (6), the valve seat (1) offer inlet；
The valve body (2) and valve seat (1) is to be threadedly coupled, and right side offers threaded hole on valve body (2), and valve body is further opened on (2)
Liquid outlet；First valve module (3) is mounted on valve seat (1), and the first valve module (3) is used for first order flow control
System；Second valve module (4) is mounted on the first valve module (3), and the second valve module (4) is used for second level flow
Control；The third valve module (5) is mounted on the second valve module (4), and third valve module (5) is flowed for the third level
Amount control；The propulsion die (6) is mounted in the threaded hole of valve body (2), and propulsion die (6) is for controlling the first valve mould
The work of block (3), the second valve module (4) and third valve module (5).
2. a kind of multistage flow safety valve of Petroleum Production according to claim 1, it is characterised in that：Third valve module
(5) include third valve plug (51), gear (52), L-type rack one (53), L-type rack two (54), spring three (55) and fixed link
(56), No. three grooves (57) are offered on the third valve plug (51), third valve plug (51) is circular ring type；The gear
(52) it is located in No. three grooves (57), gear (52) is mounted in fixed link (56)；The fixed link (56) is mounted on No. three
In groove (57)；The L-type rack one (53) and gear (52) engagement, L-type rack one (53) are located at the right of gear (52)；
The L-type rack two (54) and gear (52) engagement, L-type rack two (54) are located at the left side of gear (52)；The spring
One end of three (55) is connected on L-type rack two (54), on the other end connection L-type rack one (53) of spring three (55).
3. a kind of multistage flow safety valve of Petroleum Production according to claim 2, it is characterised in that：Second valve
Door module (4) includes the second valve plug (41), ball two (42), spring two (43), spring four (44), pushing block two (45) and sliding block two
(46), No. two grooves (47) are offered on second valve plug (41), the second valve plug (41) is circular ring type, the second valve plug (41)
Inner wall is further opened with groove and No. three grooves (57) are corresponding；The ball two (42) is located in No. two grooves (47), third
The outer wall of valve plug (51) is equipped with hemispherical groove；One end of the spring two (43) is fixedly connected with ball two (42), spring
The other end of two (43) and the second valve plug (41) connection；One end of the spring four (44) is fixedly connected with ball two (42)；
The pushing block two (45) is connected with the other end of spring four (44)；The sliding block two (46) and pushing block two (45) contact.
4. a kind of multistage flow safety valve of Petroleum Production according to claim 3, it is characterised in that：First valve
Module (3) includes the first valve plug (31), ball one (32), spring one (33), spring five (34), pushing block one (35) and sliding block one
(36), first valve plug (31) offers No.1 groove (37), and the first valve plug (31) is circular ring type, and the second valve plug (41) is interior
Wall is further opened with groove and No. two grooves (47) are corresponding, and groove is built-in with rubber antiskid pad；The ball one (32) is located at
In No.1 groove (37), the outer wall of the second valve plug (41) is equipped with hemispherical groove；One end of the spring one (33) and ball
One (32) are fixedly connected, and the other end of spring one (33) and the first valve plug (31) connection, the elasticity of spring one (33) are more than spring
The elasticity of two (43)；One end of the spring five (34) is fixedly connected with ball one (32)；The pushing block one (35) and bullet
The other end of spring five (34) connects；The sliding block one (36) and pushing block one (35) contact, valve seat (1) inner wall are further opened with groove
Corresponding with No.1 groove (37), groove is built-in with rubber antiskid pad, and sliding block one (36) is located in the groove on valve seat (1).
5. a kind of multistage flow safety valve of Petroleum Production according to claim 1, it is characterised in that：The propulsion module
Block (6) includes handspike (61), spring six (62), the 4th valve plug (63), ball three (64) and spring seven (65), the hand push
Bar (61) passes through the threaded hole of valve body (2), handspike (61) and valve body (2) to be threadedly coupled；The spring six (62) is connected to
On handspike (61)；4th valve plug (63) is fixedly connected with the other end of spring six (62), the right side of the 4th valve plug (63)
End opens up fluted, and the left end of handspike (61) is located in groove, and the left end of the 4th valve plug (63) also opens up fluted；Described
Ball three (64) is located in the groove of the 4th valve plug (63) left end, and the quantity of ball three (64) is four；The spring seven (65)
It is connected with ball three (64).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810392583.5A CN108533775B (en) | 2018-04-27 | 2018-04-27 | A kind of multistage flow safety valve of Petroleum Production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810392583.5A CN108533775B (en) | 2018-04-27 | 2018-04-27 | A kind of multistage flow safety valve of Petroleum Production |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108533775A true CN108533775A (en) | 2018-09-14 |
| CN108533775B CN108533775B (en) | 2019-10-15 |
Family
ID=63479538
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810392583.5A Active CN108533775B (en) | 2018-04-27 | 2018-04-27 | A kind of multistage flow safety valve of Petroleum Production |
Country Status (1)
| Country | Link |
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| CN (1) | CN108533775B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09119535A (en) * | 1995-10-23 | 1997-05-06 | Nissin Kogyo Kk | Check valve |
| CN202100725U (en) * | 2011-06-15 | 2012-01-04 | 毛孟其 | Multi-stage linked pressure relief valve |
| CN103671943A (en) * | 2013-12-07 | 2014-03-26 | 锦州高压阀门厂 | Balanced type multistage regulating valve |
| CN107461174A (en) * | 2017-09-26 | 2017-12-12 | 西南石油大学 | A kind of storm valve |
-
2018
- 2018-04-27 CN CN201810392583.5A patent/CN108533775B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09119535A (en) * | 1995-10-23 | 1997-05-06 | Nissin Kogyo Kk | Check valve |
| CN202100725U (en) * | 2011-06-15 | 2012-01-04 | 毛孟其 | Multi-stage linked pressure relief valve |
| CN103671943A (en) * | 2013-12-07 | 2014-03-26 | 锦州高压阀门厂 | Balanced type multistage regulating valve |
| CN107461174A (en) * | 2017-09-26 | 2017-12-12 | 西南石油大学 | A kind of storm valve |
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| CN108533775B (en) | 2019-10-15 |
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Effective date of registration: 20190919 Address after: Room 3405, Block A, Sunshine Creation Center, Nanshan Street, Nanshan District, Shenzhen City, Guangdong Province Applicant after: SHENZHEN HIGHLEAD OILFIELD TECHNOLOGY DEVELOPMENT CO., LTD. Address before: 230026 Jinzhai Road, Anhui,, No. 96, University of Science & Technology China Applicant before: Lin Ming |