CN206972956U - A kind of pipe stat - Google Patents
A kind of pipe stat Download PDFInfo
- Publication number
- CN206972956U CN206972956U CN201720767734.1U CN201720767734U CN206972956U CN 206972956 U CN206972956 U CN 206972956U CN 201720767734 U CN201720767734 U CN 201720767734U CN 206972956 U CN206972956 U CN 206972956U
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- Prior art keywords
- pressure cap
- housing
- guide sleeve
- piston
- piston head
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Abstract
The utility model discloses a kind of pipe stat, including：Tubular shell, the external diameter of the housing are less than the internal diameter of pipeline, and case top has top plate, and there is the sealing-in portion being connected with inner-walls of duct bottom, connected entrance is provided with housing sidewall, the pressure cap stretched out upwards is provided with top plate；Enclosure interior is provided with piston mechanism, guide sleeve and back-moving spring, wherein, piston rod pushing tow in piston mechanism is in pressure cap bottom, piston head is hollow structure, opening is provided with its lower wall and side wall, the valve ball that can rely on gravity closing on its lower wall opening is freely provided with piston head inner chamber, guide sleeve is nested with the outside of pressure cap, guide groove is provided with guide sleeve, groove position at high-order, middle position and low level three is provided with guide groove, the back-moving spring that the outer side slide of pressure cap can be promoted to enter head tank position or Lower tank position is equipped with the outside of piston rod.Simple in construction, reliable in action of the present utility model, production cost is low, using effect is good.
Description
Technical field
It the utility model is related to valve technology field, a kind of pipe stat that can be used in petroleum pipeline.
Background technology
At present, in oil field under Operating Pressure completion tubular column operation, it is necessary to being controlled in oil pipe, so as to subjob again
When, tubing string in well can be played out, therefore, it is necessary to a kind of being capable of control oil pipe conducting or the derailing switch closed.
Utility model content
For problems of the prior art, a kind of pipe stat of the utility model, using just suppressing to control out
The open and close of device are closed, so as to realize the control to oil, gas in oil pipe.
Concrete technical scheme is：
A kind of pipe stat, the pipe stat are arranged in the pipeline extended up and down, and the pipe stat includes：
Tubular shell, the external diameter of the housing are less than the internal diameter of pipeline, and case top has top plate, and the sealing-in being connected with inner-walls of duct is arranged at bottom
Portion, connected entrance is provided with housing sidewall, the pressure cap stretched out upwards is provided with the top plate；Enclosure interior is provided with piston machine
Structure, guide sleeve and back-moving spring, wherein, piston rod pushing tow in the piston mechanism is in the pressure cap bottom, during piston head is
Hollow structure, opening is provided with its lower wall and side wall, gravity closing can be relied on by being freely provided with the piston head inner chamber
Valve ball on its lower wall opening, the guide sleeve are nested with the outside of pressure cap, are provided with guide sleeve and side slide phase outside pressure cap
The guide groove of cooperation, groove position at high-order, middle position and low level three is provided with the guide groove, is equipped with the outside of the piston rod
The outer side slide of pressure cap can be promoted to enter the back-moving spring of head tank position or Lower tank position, when the sliding block enters the height
During the groove position of position, wall opening and the connected entrance of housing sidewall align on the upside of piston head, pipeline conducting；When the sliding block enters middle position groove
During position, wall opening and the connected entrance of housing sidewall misplace on the upside of piston head, pipeline shrouding；Pipeline forward direction suppress make sliding block enter it is low
Position groove position.
Further, the guide groove is located on the medial surface of guide sleeve, and guide groove is circumferentially disposed along guide sleeve in broken line type,
And it is end to end, the head tank position and the middle position groove bit interleaving are arranged on the upper end turning point of broken line, the Lower tank position
It is arranged on the lower end turning point of broken line.
Further, the guide groove is provided with the guide section that the sliding block can be guided unidirectionally to move.
Further, for the structure of the guide groove along guide sleeve center symmetric setting, the sliding block on the outside of the pressure cap sets two
It is individual, it is spaced 180 ° of distributions.
Further, the opening of the piston head lower wall is provided with the ball seat being engaged with the valve ball.
Further, the cushion rubber for gap between sealing piston head and housing is provided with outside the piston head side wall, it is described
Cushion rubber is distributed in above and below piston head sidewall opening.
Further, it is fixedly connected at the top of the guide sleeve on the top plate of the housing.
Further, the upper end of the back-moving spring acts against the bottom of pressure cap, the lower end of back-moving spring act against housing to
On the dividing plate of interior extension.
Further, protection structure, the height of the protection structure and the sliding block are provided with above the top plate of the housing
During into middle position groove position, the height of the pressure cap matches.
When being switched to closed mode from open mode：Just suppress, suppress liquid and valve ball is pushed back into wall opening under piston head
Ball seat position, builds the pressure to setting value, and pressure cap is descending, and back-moving spring shrinks, and sliding block enters Lower tank position from head tank position, reduces
After malleation, back-moving spring promotes pressure cap up, and sliding block enters middle position groove position, piston head sidewall opening and housing side from Lower tank position
The connected entrance dislocation of wall, realizes closed conduct；
When being switched to open mode from closed mode：Just suppress, build the pressure to setting value, pressure cap is descending, and back-moving spring is received
Contracting, sliding block enter Lower tank position from middle position groove position, and after reducing malleation, back-moving spring promotion pressure cap is up, and sliding block is from Lower tank position
Into head tank position, the connected entrance contraposition of piston head sidewall opening and housing sidewall, the conducting of pipeline is realized.
The utility model have be mechanical pressure switch device, can be closed in the presence of the pulse that is under pressure or
The switching of open mode；Need to be controlled oil, gas in pipe during tubing string in well, can have been realized after effect terminates
The conducting of oil pipe；Simple in construction, reliable in action, production cost are low, using effect is good.
Brief description of the drawings
Fig. 1 is the structural representation of pipe stat open mode of the present utility model；
Fig. 2 is the structural representation of pipe stat closed mode of the present utility model；
Fig. 3 is the expanded schematic diagram of the guide sleeve of numbering 5 in Fig. 1；
In figure：1 pipeline, 2 housings, 20 protection structures, 21 top plates, 22 dividing plates, 23 sealing-in portions, 3 pressure caps, 4 sliding blocks, 5 are oriented to
Wall opening under set, 51 guide grooves, 52 guide sections, 6 back-moving springs, 7 piston rods, 8 piston heads, 9 cushion rubbers, 10 valve balls, 11 piston heads,
12 connected entrances, 13 piston head sidewall openings, a head tanks position, b middle position grooves position, c Lower tanks position.
Embodiment
The utility model is more fully illustrated below with embodiment.The utility model can be presented as it is a variety of not
Same form, it is not construed as being confined to the exemplary embodiment described here.
For ease of explanation, the space relative terms such as " on ", " under ", "left", "right" can be used herein, are used for
The element or feature shown in explanation figure is relative to another element or the relation of feature.It should be understood that except figure
In outside the orientation that shows, spatial terminology is intended to include the different azimuth of device in use or operation.If for example, in figure
Device be squeezed, be stated as positioned at other elements or feature " under " element will be located into other elements or feature " on ".
Therefore, exemplary term " under " both upper and lower orientation can be included.Device can be positioned otherwise（It is rotated by 90 ° or position
In other orientation）, can correspondingly be explained used herein of the relative explanation in space.
Fig. 1, Fig. 2 and Fig. 3 show the specific embodiment of the utility model pipe stat, and pressure is opened in the present embodiment
Close device to be arranged in the pipeline 1 extended up and down, the pipe stat includes：Housing 2, housing 2 are cylindrical in shape structure, the housing 2
External diameter is less than the internal diameter of pipeline 1 so that having between housing 2 and pipeline 1 can be logical for just suppressing liquid or downhole oil liquid stream
Clearance channel.The top of housing 2 is provided with top plate 21, and the bottom of housing 2 is provided with what is be connected with the inwall of pipeline 1 without bottom plate
Sealing-in portion 23, be provided with connected entrance 12 in the side wall of housing 1, the connected entrance 12 connection inner chamber of housing 2 and housing 2 and pipeline 1 it
Between clearance channel.
Hole is offered on top plate 21, the pressure cap 3 of the cylindrical structure stretched out upwards, the circumference of pressure cap 3 are provided with the hole
Outside, which is provided with, extends radially out sliding block 4, and sliding block 4 sets two, is spaced 180 ° of distributions, the top of top plate 21 of housing 2, is provided with guarantor
Protection structure 20, when the height of protection structure 20 enters middle position groove position b with sliding block 4, the height of pressure cap 3 matches, i.e., with closing shape
The height of pressure cap 3 maintains an equal level during state, avoids junk from surprisingly triggering.Sealing structure is provided between top plate 21 and pressure cap 3, such as cushion rubber 9.
The inside of housing 2 is additionally provided with piston mechanism, guide sleeve 5 and back-moving spring 6；Wherein, piston mechanism includes：Piston
Bar 7 and piston head 8, the upper end pushing tow of piston rod 7 are fixed in the bottom of pressure cap 3, lower end and the phase of piston head 8 of piston rod 7, piston
First 8 be hollow structure, and opening 13,11 is provided with its lower wall and side wall, two " o " types are provided with outside the side wall of piston head 8
Cushion rubber 9, for being sealed to gap between piston head 8 and housing 2, two cushion rubbers 9 are distributed in the sidewall opening of piston head 8
Above and below in the of 13.A valve ball 11 is freely provided with the inner chamber of piston head 8, valve ball 11 can rely on gravity closing under
On wall opening 11, lower wall opening 11 sets the ball socket structure being engaged in setting with valve ball 11.
Guide sleeve 5 is nested with to be fixedly connected on the top plate 21 of housing 2 at the outside of pressure cap 3, the top of guide sleeve 5.It is oriented to
The guide groove 51 being engaged with the sliding block 4 in the outside of pressure cap 3 is provided with set 5, guide groove 51 is located on the medial surface of guide sleeve 51,
Guide groove 51 is in end to end broken line type, and along the circumferentially disposed of guide sleeve 5, and the structure of guide groove 51 is along guide sleeve 5
The heart is symmetrical, groove position at high-order a, middle position b and low level c tri- is provided with guide groove 51, institute can be guided by being provided with guide groove 51
State the guide section 52 that sliding block unidirectionally moves.Head tank position a and middle position groove position b is disposed alternately at the upper end turning point of broken line, low level
Groove position c is arranged on the lower end turning point of broken line.The outside of piston rod 7 is equipped with back-moving spring 6, and the upper end of back-moving spring 6 leans
In the bottom of pressure cap 3, the lower end of back-moving spring 6 is acted against on the dividing plate 22 that housing 2 extends internally.Back-moving spring 6 can promote
The sliding block 4 in the outside of pressure cap 3 enters head tank position a or Lower tank position b.
Sealing structure is provided between dividing plate 22 and piston rod 7, such as cushion rubber 9, by top plate 21, the side wall of housing 2 and dividing plate 22
Hydraulic oil is marked with the cavity surrounded, for the protection liquid to back-moving spring 6.
When being switched to closed mode from open mode：Just suppress, suppress the inner chamber that liquid enters piston head 8 from connected entrance 12,
Valve ball 11 is pushed back to the ball seat position of the lower wall opening 11 of piston head 8, now, the liquid of suppressing in pipeline 1 starts to build the pressure, and builds the pressure
To setting value（Such as 10MPa）Afterwards, pressure cap 3 is descending, and back-moving spring 6 shrinks, and sliding block 4 enters Lower tank c positions from head tank position a, subtracts
After small malleation, the promotion pressure cap 3 of back-moving spring 6 is up, and sliding block 4 enters middle position groove position b from Lower tank position c, and the side wall of piston head 8 is opened
Mouth 13 and the connected entrance 12 of the side wall of housing 2 misplace, so as to realize closed conduct 1；
When being switched to open mode from closed mode：Just suppress, build the pressure to setting value（Such as 10MPa）Afterwards, pressure cap 3 is descending,
Back-moving spring 6 is shunk, and sliding block 4 enters Lower tank position c from middle position groove position b, and after reducing malleation, back-moving spring 6 is promoted on pressure cap 3
OK, sliding block 4 enters head tank position a from Lower tank position c, and the sidewall opening 13 and the connected entrance 12 of the side wall of housing 2 of piston head 8 are right
Position, realizes the conducting of pipeline 1.
Simple in construction, reliable in action of the present utility model, production cost is low, using effect is good.
Above-mentioned example is only intended to illustrate the utility model, in addition, also a variety of different embodiments, and these
Embodiment be all those skilled in the art after comprehension the utility model thought it is also envisioned that therefore, no longer arrange one by one herein
Lift.
Claims (9)
1. a kind of pipe stat, the pipe stat is arranged in the pipeline extended up and down, it is characterised in that the pressure is opened
Closing device includes：Tubular shell, the external diameter of the housing are less than the internal diameter of pipeline, and case top has top plate, and bottom has and inner-walls of duct
The sealing-in portion of connection, connected entrance is provided with housing sidewall, the pressure cap stretched out upwards is provided with the top plate；Enclosure interior is set
Be equipped with piston mechanism, guide sleeve and back-moving spring, wherein, piston rod pushing tow in the piston mechanism in the pressure cap bottom,
Piston head is hollow structure, and opening is provided with its lower wall and side wall, and being freely provided with the piston head inner chamber can be according to
By valve ball of the gravity closing on its lower wall opening, the guide sleeve is nested with the outside of pressure cap, is provided with guide sleeve and pressure cap
The guide groove that outer side slide is engaged, groove position at high-order, middle position and low level three is provided with the guide groove, the piston rod
Outside is equipped with the back-moving spring that the outer side slide of pressure cap can be promoted to enter head tank position or Lower tank position, when the sliding block
During into the head tank position, wall opening and the connected entrance of housing sidewall align on the upside of piston head, pipeline conducting；When the sliding block
During into middle position groove position, wall opening and the connected entrance of housing sidewall misplace on the upside of piston head, pipeline shrouding；Pipeline forward direction, which is suppressed, to be made
Sliding block enters Lower tank position.
2. pipe stat as claimed in claim 1, it is characterised in that the guide groove is located on the medial surface of guide sleeve,
Guide groove is circumferentially disposed along guide sleeve and end to end in broken line type, and the head tank position and the middle position groove bit interleaving are set
In the upper end turning point of broken line, the Lower tank position is arranged on the lower end turning point of broken line.
3. pipe stat as claimed in claim 2, it is characterised in that the guide groove, which is provided with, can guide the sliding block
The guide section unidirectionally moved.
4. pipe stat as claimed in claim 3, it is characterised in that the structure of the guide groove is along guide sleeve Central Symmetry
Set, the sliding block on the outside of the pressure cap sets two, is spaced 180 ° of distributions.
5. pipe stat as claimed in claim 1, it is characterised in that the opening of the piston head lower wall is provided with and institute
State the ball seat that valve ball is engaged.
6. pipe stat as claimed in claim 1, it is characterised in that be provided with outside the piston head side wall for sealing work
The cushion rubber in gap between chock plug and housing, the cushion rubber are distributed in above and below piston head sidewall opening.
7. pipe stat as claimed in claim 1, it is characterised in that be fixedly connected on the housing at the top of the guide sleeve
Top plate on.
8. pipe stat as claimed in claim 1, it is characterised in that the upper end of the back-moving spring acts against the bottom of pressure cap
Portion, the lower end of back-moving spring are acted against on the dividing plate that housing extends internally.
9. pipe stat as claimed in claim 1, it is characterised in that protection knot is provided with above the top plate of the housing
Structure, when the height of the protection structure enters middle position groove position with the sliding block, the height of the pressure cap matches.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720767734.1U CN206972956U (en) | 2017-06-29 | 2017-06-29 | A kind of pipe stat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720767734.1U CN206972956U (en) | 2017-06-29 | 2017-06-29 | A kind of pipe stat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206972956U true CN206972956U (en) | 2018-02-06 |
Family
ID=61406628
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720767734.1U Active CN206972956U (en) | 2017-06-29 | 2017-06-29 | A kind of pipe stat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206972956U (en) |
-
2017
- 2017-06-29 CN CN201720767734.1U patent/CN206972956U/en active Active
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