CN104453777B - A kind of mechanical compression shows valve discharging gas under certain pressure - Google Patents
A kind of mechanical compression shows valve discharging gas under certain pressure Download PDFInfo
- Publication number
- CN104453777B CN104453777B CN201410726055.0A CN201410726055A CN104453777B CN 104453777 B CN104453777 B CN 104453777B CN 201410726055 A CN201410726055 A CN 201410726055A CN 104453777 B CN104453777 B CN 104453777B
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- pressure
- valve rod
- valve
- scale
- pressure regulation
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- 230000006835 compression Effects 0.000 title claims abstract description 54
- 238000007906 compression Methods 0.000 title claims abstract description 54
- 238000007599 discharging Methods 0.000 title claims abstract description 27
- 238000006073 displacement reaction Methods 0.000 claims abstract description 15
- 238000009434 installation Methods 0.000 claims abstract description 6
- 238000012423 maintenance Methods 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000007726 management method Methods 0.000 abstract description 4
- 239000003129 oil well Substances 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000000737 periodic effect Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B34/00—Valve arrangements for boreholes or wells
- E21B34/02—Valve arrangements for boreholes or wells in well heads
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Measuring Fluid Pressure (AREA)
- Safety Valves (AREA)
Abstract
The invention provides a kind of mechanical compression shows valve discharging gas under certain pressure, including pressuring adjusting valve base, the compression spring being axially arranged on inside pressuring adjusting valve base, valve rod, one end of the valve rod is connected with compression spring, the other end of valve rod extends the outside of pressuring adjusting valve base, the outer surface of the pressuring adjusting valve base is arranged with scale set, the outer surface of scale set is arranged with can be along the pressure regulation cap of the axially-movable of scale set, and the end of valve rod is fixedly connected with pressure regulation cap；The scale puts and is provided with tag line；Be provided with the lubber-line that installation site is covered for calibrated scale on the pressuring adjusting valve base.Change displacement and the pressure of compression spring by rotating the position for adjusting pressure regulation cap, level pressure is realized, and is shown on scale set.This mechanical compression shows that valve discharging gas under certain pressure design is simple, without the need for installing, can directly display pressure, not only reduce production cost, also reduces its installation, management, maintenance difficulties, and the life-span in terms of its display is extended.
Description
Technical field
The present invention relates to oil gas ground engineering associated gas recovery technology field, the pressure for being mainly used in valve discharging gas under certain pressure shows
Show, and in particular to a kind of mechanical compression shows valve discharging gas under certain pressure.
Background technology
Valve discharging gas under certain pressure is reconciled for oil well casing pressure, and casing gas are entered oil transportation (gas) manifold by vent valve, with
Control rational Pump Suction Nozzle submergence, prevent oil well from occurring power consumption to be taken out because of the sky of gas lock phenomenon, it is ensured that the normal fortune of oil well pump
OK, to improve pump efficiency and yield, while also controlling the discharge capacity of casing gas, the security and stability of process pressure and flow is maintained,
Guarantee outer defeated smooth enforcement.
Valve discharging gas under certain pressure is on wellhead casing pipe outlet manifold.Casing gas enter valve seat by manifold, work as air accumulation
When reaching vent valve setting pressure, air pressure backs down valve rod, and casing gas are outwards discharged, cover drops；Set when pressure drops to vent valve
When below definite value, valve rod is descending under spring force, and valve rod is resealed with valve seat.When casing gas reassemble and pressure
When being increased again to set pressure, valve rod repeats said process.
The pressure of traditional valve discharging gas under certain pressure shown all and shown by pressure gauge, but after introducing pressure gauge, no
But increase production cost, simultaneously because pressure gauge comparison itself is fragile, and manometric accurate display institute is impacted more, leads
Cause manometric instruction to occur that inaccurate situation occurs, in order to manometric display accuracy rate is improved, then need work people
Member carries out periodic inspection to valve discharging gas under certain pressure, increased the workload of staff, while also giving the management of valve discharging gas under certain pressure, peace
Dress and maintenance increased difficulty, bring inconvenience to the use of valve discharging gas under certain pressure.
Content of the invention
Present invention aim to address the pressure of existing valve discharging gas under certain pressure show inaccurate, need periodic inspection safeguard and
Maintenance difficulties are big, increase the problem of production cost and workload.
For this purpose, the invention provides a kind of mechanical compression shows valve discharging gas under certain pressure, including pressuring adjusting valve base, axially disposed
Compression spring, valve rod inside the pressuring adjusting valve base, one end of the valve rod are connected with compression spring, and the other end of valve rod extends
The outside of pressuring adjusting valve base, the outer surface of the pressuring adjusting valve base are arranged with scale set, and the outer surface of scale set is arranged with can be along scale
The pressure regulation cap of the axially-movable of set, the end of valve rod is fixedly connected with pressure regulation cap；
The scale puts and is provided with tag line；
Be provided with the lubber-line that installation site is covered for calibrated scale on the pressuring adjusting valve base.
Described pressure regulation cap is barrel-shaped structure, is made up of annular slab and the base plate for being fixedly connected on the annular slab bottom,
The annular slab of pressure regulation cap is set in the outer surface of scale set, offers valve rod installing hole, the end of valve rod on the base plate of pressure regulation cap
It is fixedly connected with the base plate of pressure regulation cap through the valve rod installing hole, on annular slab and the tube wall of scale set coupling part, is provided with use
Level pressure pin in fixing pressure regulation cap.
Multiple rubber rings are provided between the scale set and pressuring adjusting valve base.
Pass through screwed connection between the compression spring and valve rod.
Pass through screwed connection between the valve rod and pressure regulation cap.
The tag line also includes the scale for representing compression spring displacement.
The valve rod is outer-hexagonal threaded stem.
2 rubber rings are provided between the scale set and pressuring adjusting valve base.
Beneficial effects of the present invention：This mechanical compression that the present invention is provided shows valve discharging gas under certain pressure, is adjusted by rotation
The position of section pressure regulation cap is realized level pressure, and is shown on scale set changing displacement and the pressure of compression spring.This machine
Tool formula pressure shows that valve discharging gas under certain pressure design is simple, without the need for installing, can directly display pressure, not only reduce and produce into
This, also reduces its installation, management, maintenance difficulties, and the life-span in terms of its display is extended.
The present invention is described in further details below with reference to accompanying drawing.
Description of the drawings
Fig. 1 is the structural representation that mechanical compression shows valve discharging gas under certain pressure.
Fig. 2 is the structural representation of pressure regulation cap.
Description of reference numerals：1st, lubber-line；2nd, scale set；3rd, compression spring；4th, tag line；5th, level pressure pin；6th, pressure regulator valve
Seat；7th, pressure regulation cap；8th, valve rod；9th, valve rod installing hole；10th, pin-and-hole；11st, rubber ring.
Specific embodiment
Show that valve discharging gas under certain pressure is described in detail further below with reference to accompanying drawing 1 and 2 pairs, the accompanying drawing mechanical compression.
Embodiment 1：
As shown in figure 1, the invention provides a kind of mechanical compression show valve discharging gas under certain pressure, including pressuring adjusting valve base 6, along axle
To the compression spring 3 being arranged on inside pressuring adjusting valve base 6, valve rod 8, one end of the valve rod 8 is connected with compression spring 3, valve rod 8
The other end extends the outside of pressuring adjusting valve base 6, and the outer surface of the pressuring adjusting valve base 6 is arranged with scale set 2, the appearance of scale set 2
Surface cover is provided with can be along the pressure regulation cap 7 of the axially-movable of scale set 2, and the end of valve rod 8 is fixedly connected with pressure regulation cap 7；The scale
Tag line 4 is provided with set 2；Be provided with the lubber-line 1 that 2 installation sites are covered for calibrated scale on the pressuring adjusting valve base 6.
It is pointed out that valve rod 8 stretches out the part of pressuring adjusting valve base 6 in pressure regulation cap 7.
Rotation adjusts the position of pressure regulation cap 7, and to the certain pressure of compression spring 3 and displacement, its pressure value can pass through following
Calculate, the constant formula of compression spring：
G is the modulus of rigidity of wire rod, and d is line footpath, Dm=external diameter-line footpath, N=number of total coils, Nc=number of active coils=N-2；
When compression spring 3 is compressed, elastic force：F=KX
X is displacement；
Uniformly indicate, on scale set 2, the tag line 4 for showing pressure, the elastic force of the compression spring 3 then can be in pressure regulation cap 7
The scale of forward position indication is put and is reflected in the form of pressure value.Because compression spring 3 is in its elastic limits
Coefficient of elasticity is unified, and therefore the scale on scale set is also one-to-one, it is achieved that the correct display of pressure；
When needing to set different pressure, then can be changed by the position of change pressure regulation cap 7, when pressure regulation cap 7
At different positions, the displacement that compression spring 3 shrinks is different, and suffered pressure is also different, so as to realize to pressure size
Regulation.
When scale set 2 is set on the outer surface of pressuring adjusting valve base 6, need the high order end of scale set 2 to its lubber-line
1.
Rotation adjusts pressure regulation cap 7, adjusts pressure regulation cap 7 and is axially moved to the left on scale set 2, acts on valve rod 8
Compression spring 3, compression spring 3 compress, that is, change displacement and the pressure of compression spring 3, and after level pressure terminates, pressure value just passes through
The numerical value shown by tag line 4 on scale set 2 shows, when adjusting the pressure, it is only necessary to adjust the position of pressure regulation cap 7,
The displacement of compression spring 3 and the pressure of compression spring 3 can be changed, and then change the numerical value of pressure.Because compression spring 3 exists
In its elastic limits, coefficient of elasticity is unified, and therefore the tag line 4 on scale set 2 is also unified.With traditional
Pressure gauge is compared, and the mechanical compression that the present invention is provided shows that valve discharging gas under certain pressure can be realized the disposable direct-reading of level pressure value and set
Fixed, accurately, reliability is high for level pressure, not only reduces the cost of production, and management is little with maintenance difficulties, and display life is long.
Embodiment 2：
On the basis of embodiment 1, it should be noted that as shown in Fig. 2 described pressure regulation cap 7 be barrel-shaped structure, by
Annular slab and the base plate composition for being fixedly connected on the annular slab bottom, the annular slab of pressure regulation cap 7 are set in the appearance of scale set 2
Face, offers valve rod installing hole 9 on the base plate of pressure regulation cap 7, the end of valve rod 8 is through the valve rod installing hole 9 and the bottom of pressure regulation cap 7
Plate is fixedly connected, and annular slab covers the level pressure pin 5 being provided with the tube wall of 2 coupling parts for fixing pressure regulation cap 7 with scale.Fixed
Pad 5 inserts the pin-and-hole 10 on 7 annular slab of pressure regulation cap.
Pressure regulating cavity is formed between pressure regulation cap 7 and pressuring adjusting valve base 6, and rotation adjusts the position of pressure regulation cap 7, so that valve rod 8 is transported to the left
Dynamic, compression spring 3 is acted on, changes displacement and the pressure of compression spring 3, after level pressure terminates, level pressure pin 5 is solid by pressure regulation cap 7
It is scheduled on scale set 2, on scale set 2, tag line 4 is labeled with, pressure value is just by shown by the tag line 4 on scale set 2
Numerical value shows, and compared with traditional pressure gauge, the mechanical compression that the present invention is provided shows that valve discharging gas under certain pressure can be realized
The disposable direct-reading of level pressure value sets, and accurately, reliability is high for level pressure, not only reduces the cost of production, and manages and safeguard
Difficulty is little, and display life is long.
Embodiment 3：
On the basis of embodiment 2, in order to be provided with multiple rubber rings 11 between scale set 2 and pressuring adjusting valve base 6.Rubber
11 interference fit of cushion rubber is set in the outer surface of pressuring adjusting valve base 6, and scale set 2 and pressuring adjusting valve base 6 are closely connected.
Embodiment 4：
On the basis of embodiment 3, specifically, screwed connection, the valve are passed through between the compression spring 3 and valve rod 8
Pass through screwed connection between bar 8 and pressure regulation cap 7.
Embodiment 5：
On the basis of embodiment 4, the tag line 4 also includes the scale for representing 3 displacement of compression spring, and the valve rod
8 is outer-hexagonal threaded stem.
By the position for adjusting pressure regulation cap 7 is rotated, make outer-hexagonal threaded mandrel that compression spring 3 is acted on, change its displacement
And pressure, after level pressure terminates, level pressure pin 5 is fixed on pressure regulation cap 7 on scale set 2, is labeled with tag line 4 on scale set 2,
It is labeled with showing the scale numeral of pressure size on tag line 4, the scale that pressure value is just located by tag line 4 on scale set 2
Numerical monitor is out.When adjusting the pressure, it is only necessary to adjust the position of pressure regulation cap 7, you can change displacement and the pressure of compression spring 3
The pressure of power spring 3, and then change the numerical value of pressure.
Embodiment 6：
On the basis of embodiment 3, between the scale set 2 and pressuring adjusting valve base 6,2 rubber rings 11, rubber ring is provided with
11 interference fit are set in the outer surface of pressuring adjusting valve base 6, and scale set 2 and pressuring adjusting valve base 6 are closely connected.
This mechanical compression that the present invention is provided shows valve discharging gas under certain pressure, by rotating the position for adjusting pressure regulation cap 7, makes
Outer-hexagonal threaded mandrel acts on compression spring 3, changes its displacement and pressure, and after level pressure terminates, level pressure pin 5 is solid by pressure regulation cap 7
It is scheduled on scale set 2, on scale set 2, tag line 4 is labeled with, pressure value is just by the position at the place of tag line 4 on scale set 2
Put and show.When adjusting the pressure, it is only necessary to adjust the position of pressure regulation cap 7, you can change displacement and the pressure of compression spring 3
The pressure of spring 3, and then change the numerical value of pressure.Because the coefficient of elasticity in its elastic limits of compression spring 3 is system
One, therefore the scale on scale set 2 is also unified.This mechanical compression shows that valve discharging gas under certain pressure can realize level pressure
It is worth the setting of disposable direct-reading, accurately, reliability is high for level pressure, the cost of production is not only reduced, and is managed and maintenance difficulties
Little, display life is long.
Illustration only to the present invention exemplified as above, does not constitute the restriction to protection scope of the present invention, all
It is that design same or analogous with the present invention is belonged within protection scope of the present invention.
Claims (4)
1. a kind of mechanical compression shows valve discharging gas under certain pressure, including pressuring adjusting valve base (6), is axially arranged in pressuring adjusting valve base (6)
The compression spring (3) in portion, valve rod (8), the one end of valve rod (8) are connected with compression spring (3), and the other end of valve rod (8) prolongs
Stretch out the outside of pressuring adjusting valve base (6), it is characterised in that：The outer surface of pressuring adjusting valve base (6) is arranged with scale set (2), scale
The outer surface of set (2) is arranged with can be along the pressure regulation cap (7) of the axially-movable of scale set (2), the end of valve rod (8) and pressure regulation cap
(7) top is fixedly connected；
Tag line (4) is provided with scale set (2)；
The lubber-line (1) being provided with pressuring adjusting valve base (6) for calibrated scale set (2) installation site；
Described pressure regulation cap (7) is barrel-shaped structure, is made up of annular slab and the base plate for being fixedly connected on the annular slab bottom, adjusts
The annular slab of pressure cap (7) is set in the outer surface of scale set (2), offers valve rod installing hole (9) on the base plate of pressure regulation cap (7),
The end of valve rod (8) is fixedly connected through the valve rod installing hole (9) with the base plate of pressure regulation cap (7), and annular slab is with scale set (2) even
The level pressure pin (5) being provided with the tube wall that socket part is divided for fixing pressure regulation cap (7)；
Multiple rubber rings (11) are provided between scale set (2) and pressuring adjusting valve base (6)；
Pass through screwed connection between compression spring (3) and valve rod (8)；
Pass through screwed connection between valve rod (8) and pressure regulation cap (7).
2. a kind of mechanical compression shows valve discharging gas under certain pressure as claimed in claim 1, it is characterised in that：Tag line (4)
Also include to represent the scale of compression spring (3) displacement.
3. a kind of mechanical compression shows valve discharging gas under certain pressure as claimed in claim 1, it is characterised in that：Valve rod (8) are
Outer-hexagonal threaded stem.
4. a kind of mechanical compression shows valve discharging gas under certain pressure as claimed in claim 1, it is characterised in that：Scale set (2)
2 rubber rings (11) are provided with and pressuring adjusting valve base (6) between.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410726055.0A CN104453777B (en) | 2014-12-04 | 2014-12-04 | A kind of mechanical compression shows valve discharging gas under certain pressure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410726055.0A CN104453777B (en) | 2014-12-04 | 2014-12-04 | A kind of mechanical compression shows valve discharging gas under certain pressure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104453777A CN104453777A (en) | 2015-03-25 |
| CN104453777B true CN104453777B (en) | 2017-03-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410726055.0A Active CN104453777B (en) | 2014-12-04 | 2014-12-04 | A kind of mechanical compression shows valve discharging gas under certain pressure |
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| CN (1) | CN104453777B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111829696A (en) * | 2020-07-26 | 2020-10-27 | 中国航发贵州红林航空动力控制科技有限公司 | Measuring device for electromagnet suction and motion displacement |
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- 2014-12-04 CN CN201410726055.0A patent/CN104453777B/en active Active
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|---|---|
| CN104453777A (en) | 2015-03-25 |
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