CN206973018U - Spring cylinder and atmospheric valve - Google Patents
Spring cylinder and atmospheric valve Download PDFInfo
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- CN206973018U CN206973018U CN201720400493.7U CN201720400493U CN206973018U CN 206973018 U CN206973018 U CN 206973018U CN 201720400493 U CN201720400493 U CN 201720400493U CN 206973018 U CN206973018 U CN 206973018U
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Abstract
The utility model discloses a kind of spring cylinder and atmospheric valve, the spring cylinder includes tubular cylinder (10), first piston (20), First piston bar (30), spring (40), end cap (50), the inner face of end cap is provided with guide (51), guide is stretched into tubular cylinder along the axial direction of tubular cylinder, end cap covers the end of tubular cylinder, one end connection first piston of First piston bar, the other end of First piston bar coordinates with the guide, and First piston bar can drive first piston to move back and forth along the axial direction of tubular cylinder, spring cylinder includes governor motion, governor motion is arranged over the guide, and it can move back and forth along the axial direction of tubular cylinder, one end of spring contacts at first piston, the other end of spring contacts at governor motion.The utility model passes through the end set governor motion in spring cylinder so that the regulation to spring cylinder output torque is realized, so as to the failure for causing moment of torsion deficiency to open when meeting atmospheric valve working conditions change.
Description
Technical field
Executing agency is the utility model is related to, in particular it relates to a kind of spring cylinder and atmospheric valve.
Background technology
Atmospheric valve is installed in spherical pig transmitter blow-down pipe flow, and flow front end where valve is to be inputted outside natural gas
Extra large pipe flow, process pressure control between 60~70Bar (production requirement is different, and process pressure is different), flow where valve
Rear end is emergency blow-down pipeline flow, and 60~70Bar of long-term existence is carried on the back under flow operating mode where atmospheric pressure state, atmospheric valve
Pressure.Valve internal can be because pressure difference be deformed, and the impurity particle in flow also results in the abrasion of valve element, causes valve opening
Moment of torsion increase.
Atmospheric valve belongs to FO types emptying valve, and normal operating conditions lower valve is closed, the bullet of executing agency
Spring device is constantly in compressive state, therefore under prolonged compression, the spring for being vented valve actuating mechanism can have one
Quantitative permanent deformation, elastic potential energy can decline.
After being superimposed due to above-mentioned many factors so that it is slow that valve event occurs in use for some time in atmospheric valve,
The failure of bite when serious.The failure serious threat platform device and personal security.
Utility model content
The purpose of this utility model is to provide a kind of spring cylinder and atmospheric valve, and the spring cylinder can be adjusted according to different operating modes
Whole amount of spring compression, ensure atmospheric valve smoothly and effectively open and close.
To achieve these goals, according to one side of the present utility model, there is provided a kind of spring cylinder, the spring cylinder include
Tubular cylinder, first piston, First piston bar, spring, end cap, the inner face of the end cap are provided with guide, the guiding
Axial direction of the part along the tubular cylinder is stretched into the tubular cylinder, and the end cap covers the end of the tubular cylinder,
One end of the First piston bar connects the first piston, and the other end of the First piston bar coordinates with the guide,
And the First piston bar can drive axial direction of the first piston along the tubular cylinder to move back and forth, the spring cylinder
Including governor motion, the governor motion is set on the guide, and can be moved back along the axial direction of the tubular cylinder
Dynamic, one end of the spring contacts at the first piston, and the other end of the spring contacts at the governor motion.
Preferably, the governor motion includes baffle plate and Duo Gen adjusting rods, and the baffle plate is set on the guide, institute
Stating baffle plate includes first end face and the second end face relative with the first end face, and the end of the spring is connected to described first
On end face, the end cap is provided with multiple axial pass-through holes, and one end of the more adjusting rods passes through the axial direction correspondingly
Through hole and the second end face is connected to, the other end of the more adjusting rods is located at the outside of the end cap.
Preferably, multiple axial pass-through holes along the circumferentially-spaced of the baffle plate and are evenly provided on the end cap.
Preferably, the adjusting rod is the bolt with locking nut, and the locking nut, which screws, fits in the end cap
Outer face.
Preferably, sealing ring is provided between the outer face of the locking nut and the end cap.
Preferably, the axial pass-through holes are the screwed hole coordinated with the adjusting rod.
Preferably, the outer peripheral face of each adjusting rod is provided with the multiple cards arranged along the axial direction of the adjusting rod
Hook, each grab formed with coordinating inclined-plane, slide by the side wall of the cooperation inclined-plane of the grab along the axial pass-through holes
Enter and be connected in the axial pass-through holes.
Preferably, the first end face of the baffle plate is provided with the boss for being used for being fixedly connected with the spring end, described convex
The peripheral side of platform is provided with the groove of spring end described in clamping.
In addition, according to another aspect of the present utility model, there is provided a kind of atmospheric valve, the atmospheric valve include valve body and execution
Mechanism, the atmospheric valve include spring cylinder provided by the utility model, and described the of the rotation fork and the spring cylinder
One piston connects.
Preferably, the executing agency also includes air compression cylinder, and the air compression cylinder includes air compression cylinder, the
Two pistons and second piston bar, one end of the second piston bar are connected to the second piston, the second piston bar it is another
One end stretches out the air compression cylinder and is connected to the first piston, the valve body be arranged on the air compression cylinder with it is described
Between spring cylinder, and the rotation shift fork is connected with the second piston bar.
Pass through above-mentioned technical proposal, the utility model pass through the end set governor motion in spring cylinder so that realization pair
Spring is pressurized, and the purpose of the regulation to spring cylinder output torque is completed, so as to cause moment of torsion not when solving atmospheric valve working conditions change
The failure that foot can not be opened, the high cost for changing valve is avoided, and valve need not be dismantled, to the normal use of flow
Do not influence, ensure that production timeliness.
Other features and advantages of the utility model will be described in detail in subsequent specific embodiment part.
Brief description of the drawings
Accompanying drawing is to be further understood for providing to of the present utility model, and a part for constitution instruction, and following
Embodiment be used to explain the utility model together, but do not form to limitation of the present utility model.In the accompanying drawings：
Fig. 1 is the sectional view according to the spring cylinder of preferred embodiment of the present utility model.
Description of reference numerals
The first piston of 10 tubular cylinder 20
The spring of 30 First piston bar 40
The guide of 50 end cap 51
The first end face of 60 baffle plate 61
The boss of 62 second end face 63
The locking nut of 70 adjusting rod 71
72 sealing rings
Embodiment
Specific embodiment of the present utility model is described in detail below in conjunction with accompanying drawing.It should be appreciated that herein
Described embodiment is merely to illustrate and explained the utility model, is not limited to the utility model.
In the utility model, in the case where not making opposite explanation, the noun of locality such as " upper and lower " used is typically to be directed to
Each part mutual alignment relation either on vertical, vertical or gravity direction for direction shown in the drawings is retouched
State word；Wherein " inside and outside " is for spring cylinder, i.e., the cavity volume of tubular cylinder 10 is " interior ", otherwise is " outer ".
Referring to Fig. 1, a kind of spring cylinder, spring cylinder includes tubular cylinder 10, first piston 20, First piston bar 30, spring
40th, end cap 50, the inner face of end cap 50 are provided with guide 51, and axial direction of the guide 51 along tubular cylinder 10 stretches into tubulose
In cylinder body 10, end cap 50 covers the end of tubular cylinder 10, one end connection first piston 20 of First piston bar 30, first piston
The other end of bar 30 coordinates with guide 51, and First piston bar 30 can drive axial direction of the first piston 20 along tubular cylinder 10
Move back and forth, spring cylinder includes governor motion, and governor motion is set on guide 51, and can be along the axial direction of tubular cylinder 10
Move back and forth, one end of spring 40 contacts at first piston 20, and the other end of spring 40 contacts at governor motion.
The utility model passes through the end set governor motion in spring cylinder so that realizes and spring is pressurized, complete to bullet
The purpose of the regulation of spring cylinder output torque, so as to the failure for causing moment of torsion deficiency to open when solving atmospheric valve working conditions change,
The high cost for changing valve is avoided, and valve need not be dismantled, the normal use of flow is not influenceed, ensure that life
Produce timeliness.
Wherein, guide 51 can be diversified forms.In preferred embodiment of the present utility model, during guide 51 is
Empty set pipe, one end of first piston 20 is contained in the hollow sleeve, and the end of first piston 20 can be in hollow sleeve
The middle axial direction along tubular cylinder 10 moves back and forth.But the utility model is not limited thereto, guide 51 and first piston 20 it
Between form sliding matching structure, such as the structure of bayonet lock and neck, roller and neck.
Preferably, end cap 50 is welded in the end of tubular cylinder 10, to reach the purpose of capping tubular cylinder 10.Certainly originally
Utility model can also use other connected modes, as long as can reach the purpose of capping tubular cylinder 10.
Specifically, in a kind of embodiment of the present utility model, governor motion includes baffle plate 60, the periphery of the baffle plate 60
Face is bonded setting with the inner wall sealing of tubular cylinder 10, and end cap 50 is provided with compressed air mouth, by baffle plate 60 and end cap 50
Between be filled with compressed air, to promote axial direction of the baffle plate 60 along tubular cylinder 10 to move.
But originally new to be not limited thereto, in preferred embodiment of the present utility model, governor motion includes baffle plate 60
With more adjusting rods 70, baffle plate 60 is set on guide 51, and baffle plate 60 includes first end face 61 and relative with first end face 61
Second end face 62, the end of spring 40 is connected in first end face 61, and end cap 50 is provided with multiple axial pass-through holes, more regulations
One end of bar 70 through axial pass-through holes and is connected to second end face 62, the other end position of more adjusting rods 70 correspondingly
In the outside of end cap 50.When the output torque deficiency of spring cylinder, baffle plate 60 is promoted by adjusting more adjusting rods 70 so that gear
Plate 60 moves axially towards first piston 20, so as in compression spring cylinder spring 40 to increase output torque.Certainly, spring is worked as
When the output torque of cylinder is excessive, baffle plates 60 are promoted by adjusting more adjusting rods 70 so that baffle plate 60 is axially towards away from the
The direction movement of one piston 20, so that spring 40 stretches in spring cylinder.Baffle plate is promoted by adjusting more adjusting rods 70
60 so that the decrement of spring 40 in regulation spring cylinder, to realize the output torque according to different regulating working conditions spring cylinders.
Preferably, multiple axial pass-through holes along the circumferentially-spaced of baffle plate 60 and are evenly provided on end cap 50.So that
When adjusting the output torque of spring cylinder, the uniform force of baffle plate 60 so that the output torque of spring cylinder is also uniform, is not in baffle plate
60 tilt or spring 40 is by the phenomenon that is come off on baffle plate 60.
Preferably, adjusting rod 70 is the bolt with locking nut 71, and locking nut 71, which screws, fits in the outer of end cap 50
End face.Prevent adjusting rod 70 from loosening by the locking of nut 71.In preferred embodiment of the present utility model, set on end cap 50
Have along the circumferentially-spaced of baffle plate 60 and four axial pass-through holes being uniformly arranged, correspondingly, governor motion includes four bands respectively
There is the adjusting rod 70 of nut 71, and adjusting rod 70 and baffle plate 60 are 316 material steel.
Preferably, sealing ring 72 is provided between the outer face of locking nut 71 and end cap 50.By the setting of sealing ring 72,
Prevent moisture etc. from entering in spring cylinder, corrode the parts in spring cylinder, to influence the normal operation of spring cylinder.
It is constant in order to further keep the decrement of spring 40 in spring cylinder to stablize, it is preferable that axial pass-through holes be and tune
The screwed hole that pole 70 coordinates.Formed with internal thread i.e. on the hole wall of axial pass-through holes, on the outer peripheral face of adjusting rod 70 formed with
External screw thread.Coordinated by the screw thread between axial pass-through holes and adjusting rod 70 so that regulation will not be made due to the restoring force of spring
Obtain the position movement of adjusting rod 70.It furthermore achieved that the secure safety of spring cylinder operation.
But the utility model is not limited thereto, in another embodiment, set on the outer peripheral face of each adjusting rod 70
There are multiple grabs along the axial direction arrangement of adjusting rod 70, each grab is formed with cooperation inclined-plane, the cooperation inclined-plane edge of grab
The side wall of axial pass-through holes slips into and is connected in axial pass-through holes.Engaged by the grab on diverse location with axial pass-through holes,
That is, the length that adjusting rod 70 is stretched into spring cylinder, to realize the purpose of the position of controllable register 60.
Preferably, the first end face 61 of baffle plate 60 is provided with the boss 63 for being used for being fixedly connected with the end of spring 40, spring 40
The outer peripheral face of end clamping boss 63, or boss 63 peripheral side be provided with the end of clamping spring 40 groove.The end of spring 40
In portion's clamping groove, to fix the end of clamping spring 40, prevent spring 40 shifts in the moving process of baffle plate 60 from causing
The force unbalance of baffle plate 60.The end of spring 40 can certainly be fixedly connected with the first end face 61 of baffle plate 60, such as welded
Connect, bond.
In addition, the utility model additionally provides a kind of atmospheric valve, atmospheric valve includes valve body and executing agency, and valve body is with performing
Mechanism is connected by rotating shift fork, and executing agency includes above-mentioned spring cylinder, and the first piston 20 for rotating shift fork and spring cylinder connects
Connect.By axial movement of the first piston 20 in spring cylinder, to drive rotation shift fork motion, so as to the keying of application valve body.
Pass through the end set governor motion in spring cylinder so that realize and spring is pressurized, complete the regulation to spring cylinder output torque,
So as to the failure for causing moment of torsion deficiency to open when solving atmospheric valve working conditions change, the high cost for changing valve is avoided,
And valve need not be dismantled, the normal use of flow is not influenceed, ensure that production timeliness.
Preferably, atmospheric valve of the present utility model is installed in spherical pig transmitter blow-down pipe flow, in normal work
Under state, valve body is closed.Specifically, executing agency also includes air compression cylinder, and air compression cylinder includes air pressure
Contracting cylinder body, second piston and second piston bar, one end of second piston bar are connected to second piston, the other end of second piston bar
Stretch out air compression cylinder and be connected to first piston 20, valve body is arranged between air compression cylinder and spring cylinder, and is rotated and dialled
Fork is connected with second piston bar.Compressed air is full of in normal operating conditions, air compression cylinder so that second piston bar promotes
First piston 20 moves so that spring 40 is in compressive state, while rotates shift fork and moved in company with second piston bar so that valve body
It is closed；When needing to open valve body, the compressed air in air compression cylinder is released so that first piston 20 is compressing
Second piston is reversely promoted under the promotion of the potential energy of spring 40 so that spring is in extended configuration, while drives rotation shift fork movement,
To open valve body.
The utility model passes through the end set governor motion in spring cylinder so that realizes the tune to spring cylinder output torque
Section, so as to the failure for causing moment of torsion deficiency to open when solving atmospheric valve working conditions change, avoid the great number expense for changing valve
With, and valve need not be dismantled, the normal use of flow is not influenceed, ensure that production timeliness.By to governor motion
Preferred, details the design of all parts material, ensure that the unfailing performance of governor motion, spring cylinder and atmospheric valve.
Preferred embodiment of the present utility model, still, the utility model and unlimited is described in detail above in association with accompanying drawing
Detail in above-mentioned embodiment, can be to skill of the present utility model in range of the technology design of the present utility model
Art scheme carries out a variety of simple variants, and these simple variants belong to the scope of protection of the utility model.
It is further to note that each particular technique feature described in above-mentioned embodiment, in not lance
In the case of shield, it can be combined by any suitable means.In order to avoid unnecessary repetition, the utility model is to each
The possible combination of kind no longer separately illustrates.
In addition, it can also be combined between a variety of embodiments of the present utility model, as long as it is not disobeyed
Thought of the present utility model is carried on the back, it should equally be considered as content disclosed in the utility model.
Claims (10)
1. a kind of spring cylinder, it is characterised in that the spring cylinder includes tubular cylinder (10), first piston (20), first piston
Bar (30), spring (40), end cap (50), the inner face of the end cap (50) are provided with guide (51), the guide (51)
Stretched into along the axial direction of the tubular cylinder (10) in the tubular cylinder (10), the end cap (50) covers the tubulose cylinder
The end of body (10), one end of the First piston bar (30) connect the first piston (20), the First piston bar (30)
The other end and the guide (51) coordinate, and the First piston bar (30) can drive the first piston (20) edge
The axial direction of the tubular cylinder (10) moves back and forth, and the spring cylinder includes governor motion, and the governor motion is set in described
On guide (51), and it can move back and forth along the axial direction of the tubular cylinder (10), one end of the spring (40) contacts at
The first piston (20), the other end of the spring (40) contact at the governor motion.
2. spring cylinder according to claim 1, it is characterised in that the governor motion includes baffle plate (60) and more regulations
Bar (70), the baffle plate (60) are set on the guide (51), the baffle plate (60) include first end face (61) and with institute
The relative second end face (62) of first end face (61) is stated, the end of the spring (40) is connected in the first end face (61),
The end cap (50) is provided with multiple axial pass-through holes, and one end of the more adjusting rods (70) passes through the axial direction correspondingly
Through hole and the second end face (62) is connected to, the other end of the more adjusting rods (70) is located at the end cap (50)
Outside.
3. spring cylinder according to claim 2, it is characterised in that circumference of multiple axial pass-through holes along the baffle plate (60)
It is spaced and is evenly provided on the end cap (50).
4. spring cylinder according to claim 3, it is characterised in that the adjusting rod (70) is with locking nut (71)
Bolt, the locking nut (71) screw the outer face for fitting in the end cap (50).
5. spring cylinder according to claim 4, it is characterised in that the locking nut (71) is outer with the end cap (50)
Sealing ring (72) is provided between end face.
6. spring cylinder according to claim 4, it is characterised in that the axial pass-through holes are to match somebody with somebody with the adjusting rod (70)
The screwed hole of conjunction.
7. spring cylinder according to claim 2, it is characterised in that the outer peripheral face of each adjusting rod (70) is provided with edge
Multiple grabs of the axial direction arrangement of the adjusting rod (70), each grab formed with coordinating inclined-plane, the grab
The side wall for coordinating inclined-plane along the axial pass-through holes slips into and is connected in the axial pass-through holes.
8. spring cylinder as claimed in any of claims 2 to 7, it is characterised in that the first end of the baffle plate (60)
Face (61) is provided with the boss (63) for being used for being fixedly connected with the spring (40) end, and the peripheral side of the boss (63) is provided with card
Connect the groove of the spring (40) end.
9. a kind of atmospheric valve, the atmospheric valve includes valve body and executing agency, and the valve body passes through rotation with the executing agency
Fork connects, it is characterised in that the executing agency includes spring cylinder as claimed in any of claims 1 to 8, institute
Rotation fork is stated to be connected with the first piston (20) of the spring cylinder.
10. atmospheric valve according to claim 9, it is characterised in that the executing agency also includes air compression cylinder, described
Air compression cylinder includes air compression cylinder, second piston and second piston bar, and one end of the second piston bar is connected to institute
Second piston is stated, the other end of the second piston bar stretches out the air compression cylinder and is connected to the first piston (20),
The valve body is arranged between the air compression cylinder and the spring cylinder, and the rotation shift fork and the second piston bar
Connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720400493.7U CN206973018U (en) | 2017-04-17 | 2017-04-17 | Spring cylinder and atmospheric valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720400493.7U CN206973018U (en) | 2017-04-17 | 2017-04-17 | Spring cylinder and atmospheric valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206973018U true CN206973018U (en) | 2018-02-06 |
Family
ID=61415753
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720400493.7U Active CN206973018U (en) | 2017-04-17 | 2017-04-17 | Spring cylinder and atmospheric valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206973018U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110792706A (en) * | 2019-11-26 | 2020-02-14 | 江苏新迈机械有限公司 | Spring cylinder for winch and working method thereof and winch |
-
2017
- 2017-04-17 CN CN201720400493.7U patent/CN206973018U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110792706A (en) * | 2019-11-26 | 2020-02-14 | 江苏新迈机械有限公司 | Spring cylinder for winch and working method thereof and winch |
| CN112901687A (en) * | 2019-11-26 | 2021-06-04 | 江苏新迈机械有限公司 | Winch spring cylinder with braking function, working method of winch spring cylinder and winch |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 100010 Beijing, Chaoyangmen, North Street, No. 25, No. Co-patentee after: Shanghai Branch of China National Offshore Oil Corporation Patentee after: China Offshore Oil Group Co., Ltd. Address before: 100010 Beijing City, Chaoyang District Chaoyangmen No. 25 North Street CNOOC building Co-patentee before: Shanghai Branch of China National Offshore Oil Corporation Patentee before: China National Offshore Oil Corporation |