CN205677564U - Positioning flow-guiding type by-passing valve - Google Patents
Positioning flow-guiding type by-passing valve Download PDFInfo
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- CN205677564U CN205677564U CN201620389242.9U CN201620389242U CN205677564U CN 205677564 U CN205677564 U CN 205677564U CN 201620389242 U CN201620389242 U CN 201620389242U CN 205677564 U CN205677564 U CN 205677564U
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Abstract
The utility model relates to oil drilling cementing technology field, particularly relates to a kind of positioning flow-guiding type by-passing valve, including valve body, valve pocket, spool, spring, erosion control ring, back-up ring and sieve plate；Described valve body, valve pocket, spool, spring are separately mounted in the inner chamber of described valve body, it is respectively equipped with valve hole, valve pocket through hole and valve core through hole on described valve body, valve pocket, spool, described shoulder hole is provided with positioning sleeve, described positioning sleeve one end is deep in described valve pocket and positions valve body with valve body, the other end installs described sieve plate and back-up ring successively, have, at public spiral shell end, the locating shoulder installing piston structure in valve body, described spring is placed between spool and described valve pocket, is fixed by shop bolt between erosion control ring and described valve pocket.The utility model simple in construction is easy to processing, it is to avoid because the stress at circlip groove concentrates the housing fracture causing, the accident of valve body male thread can be avoided to rupture from the mode of box thread end assembling and cause dropping of valve inner part.
Description
Technical field
The utility model relates to oil drilling cementing technology field, particularly relates to a kind of positioning flow-guiding type by-passing valve.
Background technology
At present, when using down-hole helicoid hydraulic motor in the drilling engineering of petroleum gas, in order to put down during lower boring
Pressure inside and outside weighing apparatus drilling tool, make the drilling mud in drilling tool can flow rapidly in mineshaft annulus without carrying during pulling out of hole
To ground pollution rig floor, drilling fluid is made to become the machine power promoting drill bit, typically in the combination of drilling tool in drilling process
All with a drilling tool by-pass valve, the spool of general drilling tool by-pass valve, spring and valve seat and be male thread one end from valve body
Put into valve body successively, valve body inner edge arranges one circlip groove, back-up ring is installed, to prevent spool, valve seat from falling in well.By
In the helicoid hydraulic motor using carry out well dynamic creep into when, the weight of helicoid hydraulic motor is very big, and torque is very big when creeping into, institute
With, use from front by-pass valve assembly when, there is problems in that existing by-passing valve valve body male thread connect thread root with
Valve body does not accounts for the structure of stress elimination, and the circlip groove of fixed valve base is opened in identical with valve body male connection thread root
On the inner edge of position, therefore cause stress all to concentrate on the root of valve body male thread, make the root intensity of valve body male thread decline,
And thus result in and often occur from this position fracture accident, after fracture, not only helicoid hydraulic motor falls into down-hole, and due to valve
The back-up ring of body loses effect, do not have the spool in the valve body assembly of back-up ring, valve seat and spring also together with drop in well, cause portion
The salvaging difficulty of part；Additionally, the by-pass valve assembly using at present, owing to structure and the length of spool, valve pocket itself cause both
Closure size relatively short, and can to valve interior wall produce erosion；Spool, valve pocket be placed in valve body relatively its axially on have
It is fixed by back-up ring, but does not ensures that diametrically；The spool of conventional by-passing valve is owing to being in going up most of valve inner
End, is therefore operationally impacted at first；The big end structure of valve pocket of conventional at present by-passing valve is all horn-like mostly, this
Sample strengthens with regard to the internal diameter that may require that again valve body male thread end, thus brings hidden danger to male thread end valve body intensity.
Utility model content
The purpose of this utility model is to overcome the deficiency of above-mentioned technology, and provides a kind of positioning flow-guiding type by-passing valve, makes
Male thread end housing intensity is strengthened, and in preventing valve body, part drops because male thread ruptures.
The utility model for achieving the above object, by the following technical solutions:
A kind of positioning flow-guiding type by-passing valve, it is characterised in that: include valve body, valve pocket, spool, spring, erosion control ring, back-up ring with
And sieve plate；Described valve body, valve pocket, spool, spring are separately mounted in the inner chamber of described valve body, on described valve body, valve pocket, spool
Being respectively equipped with valve hole, valve pocket through hole and valve core through hole, described valve hole connects with shoulder hole, pacifies in described shoulder hole
Equipped with positioning sleeve, described positioning sleeve one end is deep in described valve pocket and positions valve body with valve body, and the other end is installed successively
Described sieve plate and back-up ring, have, at public spiral shell end, the locating shoulder installing piston structure in valve body, and the top of described valve pocket is locked to
At described locating shoulder, described spring is placed between described spool and described valve pocket, described erosion control ring be arranged on described valve pocket with
The end of spool, is fixed by shop bolt between described erosion control ring and described valve pocket.
Preferably, the big end of described valve pocket has three pin locating holes, installs described shop bolt in described dowel hole.
Preferably, described valve pocket small end is provided with sealing ring with the place of cooperation of valve body.
Preferably, described valve pocket small end is provided with sealing ring with the place of cooperation of spool.
Preferably, the big end of described spool is provided with sealing ring with the valve pocket place of cooperation.
Preferably, the big end of described erosion control ring is provided with sealing ring with the valve body place of cooperation.
The beneficial effects of the utility model are: compared with prior art, and the utility model simple in construction is easy to processing, fall
Low production cost, changes accessory convenient, removes the circlip groove at male thread end endoporus, make male thread be strengthened, it is to avoid because of gear
Stress at ring recess concentrates the housing fracture causing, and the accident of valve body male thread can be avoided to rupture from the mode of box thread end assembling
And cause dropping of valve inner part；In valve body, male thread end is provided with the locating shoulder of positioning valve pocket；Ladder at valve body
Laying positioning sleeve in hole, novel valve pocket can also be fixed on valve inner and limit its radial motion thus ensure novel by positioning sleeve
The through hole processed on valve pocket is corresponding all the time with valve hole；The spool of positioning flow-guiding type by-passing valve is completely disposed at novel valve pocket
In, this new structure eliminates the complicated procedures of forming that conventional valve body needs to add plating, and the difficulty of processing not only reducing valve body also saves
About man-hour；Add the closure size of spool and valve pocket, add sealing ring at simultaneously, enhance sealing property；Spool
Big end adds new parts erosion control ring, the effect of erosion control ring be coordinate with novel valve pocket thus spool is positioned same
When again the face that is hit of spool is effectively protected, reduce spool be hit face by stroke degree, new by these
Improve the service life improving by-passing valve.
Brief description
Fig. 1 is structural representation of the present utility model；
In figure: the 1st, valve body；2nd, valve pocket；3rd, spool；4th, spring；5th, erosion control ring；6th, be hit face；7th, sets of vias sets
Position platform；8th, sealing ring；9th, shop bolt；10th, hole is positioned；11st, locating slot；12nd, sealing ring；13rd, back-up ring；14th, sieve plate；15th, fixed
Position set；16th, valve hole；17th, shoulder hole；18th, valve pocket through hole；19th, valve core through hole；20th, sealing ring；21st, locating shoulder；22、
Sealing ring；23rd, sealing ring.
Detailed description of the invention
Below in conjunction with the accompanying drawings and preferred embodiment describes detailed description of the invention of the present utility model in detail.As it is shown in figure 1, one
Plant helicoid hydraulic motor positioning flow-guiding type by-passing valve, including valve body the 1st, valve pocket the 2nd, spool the 3rd, spring the 4th, erosion control ring 5 and positioning sleeve are the 11st,
Pin the 9th, back-up ring 13, spool is provided with spool bore 19, and described spool, spring are arranged in the inner chamber of valve pocket, described novel valve pocket,
Erosion control ring is arranged in the endoporus of valve body, is provided with the locating shoulder installing center for positioning novel valve pocket at valve body male thread end
21, described erosion control ring is located at and novel valve pocket big bottom portion, specifically, erosion control ring small end is placed in the big end of novel valve pocket, and will be from
Align and be fixed with shop bolt in the positioning hole 10 that locating slot 11 end big with novel valve pocket that body is opened is opened, such erosion control ring,
Together with spool, spring have been secured to novel valve pocket, the fixing utilization of novel valve pocket is the positioning sleeve at valve hole, fixed
Position set cooperates with novel valve pocket small end locating slot, and so novel valve pocket has just been fixed in the chamber of valve body, due to valve body
Box thread end end wall do not have the locating slot of back-up ring, therefore, do not have the phenomenon that stress is concentrated.
Through hole 16 and the novel valve pocket shoulder hole 17 of described valve body is inwardly provided with back-up ring the 13rd, sieve plate 14 and positioning successively
Sieve plate is clamped by set 15, back-up ring and positioning sleeve, and sieve plate, positioning sleeve are fixed on the through hole of valve body and the ladder of novel valve pocket by back-up ring
In hole, sieve plate be provided with some for stopping the circular hole that bulky grain landwaste enters, described novel valve pocket end big with spool coordinates place
Being provided with sealing ring 12, described erosion control ring is provided with sealing ring 8 with the valve body place of cooperation.
As further improvement of the utility model, the binding site of thread and the valve body of male thread end on described valve body
Being provided with escape, the upper end of escape is provided with sealing ring 23.
During installation, first sealing ring 12 and sealing ring 20 are installed to spool 3 and novel valve pocket 2 corresponding position, then successively
Loading spool the 3rd, spring 4 in novel valve pocket 2 inner chamber, sealing ring 8 installs to erosion control ring 5 corresponding position, is put into newly erosion control ring small end
Type valve pocket inner chamber, it is desirable to the pin locating holes 10 of big with novel valve pocket for the pin locating slot 11 on erosion control ring end is alignd one by one,
Connecting erosion control ring and novel valve pocket with pin 9 afterwards, now spool and spring have just been fixed in novel valve pocket inner chamber, close
Seal 22 dress diagram corresponding position, is then encased in valve body inner position platform the aforementioned entirety assembling from the box thread end of valve body 1
Take at 21, stir sets of vias dress positioning table 7 shoulder hole 17 that new type of valve is put and align with the through hole 16 on valve body, utilize and position
Set 15 connects fixing, and then sieve plate the 14th, back-up ring 13 is arranged on valve hole successively.Then by-pass valve of screwdrill is connected
G.I.H on drilling tool.During lower boring, owing to slush pump does not start, not having pressure, therefore spool 3 is at spring 4
Effect under open, the drilling mud entering drilling tool in well is entered by the through hole spool bore and novel valve pocket, valve body
Enter annular space, play the effect of head of liquid inside and outside balance drilling tool, under be drilled complete, start to creep into, after slush pump starts, bore
Well liquid can promote spool to overcome downwards the elastic force of spring, closes spool bore 19 outwardly and through hole the 16th, 18, makes drilling fluid
Thrust concentrates on helicoid hydraulic motor, and pressure is converted to mechanical rotation energy, drives drill bit to put into；When pulling out of hole, slush pump stops
Work, spool upwards, opens outside passage under the thrust of spring, makes the mud stayed in drilling tool pass through spool bore with newly
Through hole on type valve pocket, valve body enters in annular space makes the drilling tool tripping out does not has drilling mud, it is to avoid spill on rig floor.This
Utility model provides the benefit that: the utility model simple in construction is easy to processing, reduces production cost, changes accessory convenient, moves
Except the circlip groove at male thread end endoporus, male thread is made to be strengthened, it is to avoid because the stress at circlip groove concentrates the housing causing
Fracture, can avoid the accident of valve body male thread to rupture from the mode of box thread end assembling and cause dropping of valve inner part；
In valve body, male thread end is provided with the locating shoulder of positioning valve pocket；Laying positioning sleeve in the shoulder hole of valve body, positioning sleeve also may be used
Limit its radial motion so that novel valve pocket to be fixed on valve inner thus ensure that new type of valve puts processed through hole and valve body
Through hole is corresponding all the time；The spool of positioning flow-guiding type by-passing valve is completely disposed in novel valve pocket, and this new structure eliminates routine
Valve body needs to add the complicated procedures of forming of plating, and the difficulty of processing not only reducing valve body also a saving man-hour；Add spool and valve pocket
Closure size, add sealing ring at simultaneously, enhance sealing property；The big end of spool adds new parts erosion control ring,
The effect of erosion control ring is to carry out the face of being hit of spool again while coordinating with novel valve pocket thus position spool
Effective protection, reduce spool be hit face by stroke degree, improved service lifes of by-passing valves by these new improving.
The above is only preferred embodiment of the present utility model, it is noted that for the common skill of the art
For art personnel, on the premise of without departing from the utility model principle, some improvements and modifications can also be made, these improve and
Retouching also should be regarded as protection domain of the present utility model.
Claims (6)
1. one kind positioning flow-guiding type by-passing valve, it is characterised in that: include valve body, valve pocket, spool, spring, erosion control ring, back-up ring and
Sieve plate；Described valve body, valve pocket, spool, spring are separately mounted in the inner chamber of described valve body, and described valve body, valve pocket, spool divide
Not being provided with valve hole, valve pocket through hole and valve core through hole, described valve hole connects with shoulder hole, installs in described shoulder hole
Having positioning sleeve, described positioning sleeve one end is deep in described valve pocket and positions valve body with valve body, and the other end installs institute successively
Stating sieve plate and back-up ring, having, at public spiral shell end, the locating shoulder installing piston structure in valve body, the top of described valve pocket is locked to institute
Stating at locating shoulder, described spring is placed between described spool and described valve pocket, and described erosion control ring is arranged on described valve pocket and valve
The end of core, is fixed by shop bolt between described erosion control ring and described valve pocket.
2. positioning flow-guiding type by-passing valve according to claim 1, it is characterised in that: the big end of described valve pocket has three pins
Positioning hole, installs described shop bolt in described dowel hole.
3. positioning flow-guiding type by-passing valve according to claim 1, it is characterised in that: described valve pocket small end coordinates with valve body
Place is provided with sealing ring.
4. positioning flow-guiding type by-passing valve according to claim 1, it is characterised in that: described valve pocket small end coordinates with spool
Place is provided with sealing ring.
5. positioning flow-guiding type by-passing valve according to claim 1, it is characterised in that: the big end of described spool coordinates with valve pocket
Place is provided with sealing ring.
6. positioning flow-guiding type by-passing valve according to claim 1, it is characterised in that: the big end of described erosion control ring is joined with valve body
It is provided with sealing ring at conjunction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620389242.9U CN205677564U (en) | 2016-04-29 | 2016-04-29 | Positioning flow-guiding type by-passing valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620389242.9U CN205677564U (en) | 2016-04-29 | 2016-04-29 | Positioning flow-guiding type by-passing valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205677564U true CN205677564U (en) | 2016-11-09 |
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ID=57438592
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620389242.9U Active CN205677564U (en) | 2016-04-29 | 2016-04-29 | Positioning flow-guiding type by-passing valve |
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| Country | Link |
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| CN (1) | CN205677564U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105735926A (en) * | 2016-04-29 | 2016-07-06 | 天津立林石油机械有限公司 | Positioning flow guide type bypass valve |
| CN107461146A (en) * | 2017-03-30 | 2017-12-12 | 西南石油大学 | A kind of Yin/Yang rotor all-metal motor helicoid hydraulic motor |
-
2016
- 2016-04-29 CN CN201620389242.9U patent/CN205677564U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105735926A (en) * | 2016-04-29 | 2016-07-06 | 天津立林石油机械有限公司 | Positioning flow guide type bypass valve |
| CN107461146A (en) * | 2017-03-30 | 2017-12-12 | 西南石油大学 | A kind of Yin/Yang rotor all-metal motor helicoid hydraulic motor |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |