CN204704472U - A kind of sealer under pressure - Google Patents
A kind of sealer under pressure Download PDFInfo
- Publication number
- CN204704472U CN204704472U CN201520445782.XU CN201520445782U CN204704472U CN 204704472 U CN204704472 U CN 204704472U CN 201520445782 U CN201520445782 U CN 201520445782U CN 204704472 U CN204704472 U CN 204704472U
- Authority
- CN
- China
- Prior art keywords
- pole
- center
- slip spider
- intermediate connection
- snap ring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model belongs to oil and gas pipeline maintenance Assisted Facility technical field; Disclose a kind of sealer under pressure.This device comprises valve body connecting tube, is provided with one-way valve in valve body connecting tube, and the lower end of valve body connecting tube is provided with intermediate connection tube, is provided with center-pole in intermediate connection tube, and intermediate connection tube is outside equipped with slip spider, and the bottom of slip spider is provided with slips; The upper end of center-pole is provided with axial central blind hole, the sidewall of center-pole is provided with multiple pressure guide hole be communicated with central blind hole; Be provided with radial boss in slip spider, center-pole is outside equipped with the snap ring of the radial direction coordinated with boss, and snap ring is provided with breach, and breach and slip spider form accumulator, and pilot hole is communicated with accumulator; Center-pole stretches out slip spider and slips, and the external part of center-pole is set with cone snap ring, rubber tube, pressure cap from top to bottom successively.This blocking device can carry out effective shutoff to oil and gas pipeline in situation with pressure, and structure is simple, safe and reliable.
Description
Technical field
The utility model belongs to oil and gas pipeline maintenance Assisted Facility technical field; In particular to a kind of sealer under pressure.
Background technique
Oil, natural gas extraction wellhead assembly have a lot of valve for controlling oil gas pipeline.Wearing and tearing in using process, corrosion and mechanical failure etc. can cause valve seal lost efficacy and caused leakage; And the valve after losing efficacy is difficult to change under high-pressure oil gas.At present; The method generally used changes valve after adopting the mode shutoff oil pipe high pressure oil gas of high density well control fluids kill-job.This method cost is high; Keep in repair length consuming time; And well-killing liquid can damage payzone; Affect follow-up exploitation; The discharge of well-killing liquid is improper also can to environment.
Model utility content
The purpose of this utility model is to provide a kind of sealer under pressure; This blocking device can carry out effective shutoff to oil and gas pipeline in situation with pressure; Convenient changing well head main valve or side valve is got final product after shutoff; The use of this device avoids the adverse effect that kill job causes payzone; Greatly reduce time and financial cost more; And this apparatus structure is compact, easy and simple to handle, can realize repeating reliable shutoff.
For reaching above-mentioned technical purpose; The utility model adopts following technological scheme to be achieved.
A kind of sealer under pressure, it is characterized in that: comprise valve body connecting tube, one-way valve is provided with in described valve body connecting tube, the lower end of described valve body connecting tube is provided with intermediate connection tube, center-pole is provided with in described intermediate connection tube, described intermediate connection tube is outside equipped with slip spider, and the bottom of described slip spider is provided with slips; The upper end of described center-pole is provided with axial central blind hole, the sidewall of described center-pole is provided with the pressure guide hole that multiple and described central blind hole is communicated with; Be provided with radial boss in described slip spider, described center-pole is outside equipped with the snap ring of the radial direction coordinated with described boss, and described snap ring is provided with breach, and described breach and slip spider form accumulator, and described pilot hole is communicated with accumulator; Described center-pole stretches out described slip spider and slips, and the external part of described center-pole is set with cone snap ring, rubber tube, pressure cap from top to bottom successively.
Feature and further improvement of the technical program are:
The inner side surface of described slips is set to taper, and the outer side surface of described cone snap ring is set to the taper coordinated with the inner side surface of described slips.
Described valve body connecting tube is fixedly connected with intermediate connection tube by screw thread.
Described intermediate connection tube is fixedly connected with slip spider by screw thread.
Described pressure cap is fixed to the lower end of center-pole by screw thread.
Sealer under pressure of the present utility model, center-pole and slip spider form oil hydraulic cylinder, by valve body connecting tube input hydraulic pressure oil, under the effect of hydraulic oil, promote center-pole up, in the up process of center-pole, drive pressure cap up simultaneously, the up extruding rubber tube of pressure cap, and promote cone snap ring, slips is opened, by oil gas plugging pipelines; One-way valve makes to keep high pressure conditions in this device.This blocking device can carry out effective shutoff to oil and gas pipeline in situation with pressure; Convenient changing well head main valve or side valve is got final product after shutoff; The use of this device avoids the adverse effect that kill job causes payzone; Greatly reduce time and financial cost more; And this apparatus structure is compact, easy and simple to handle, can realize repeating reliable shutoff.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Fig. 1 is the structural representation of a kind of sealer under pressure of the present utility model;
In figure: 1, valve body connecting tube; 2, one-way valve; 3, intermediate connection tube; 4, slip spider; 5, slips; 6, cone snap ring; 7, center-pole; 8, rubber tube; 9, pressure cap.
Embodiment
With reference to Fig. 1, it is the structural representation of a kind of sealer under pressure of the present utility model; This blocking device comprises valve body connecting tube 1, be provided with one-way valve 2 in valve body connecting tube 1, the lower end of valve body connecting tube 1 is provided with intermediate connection tube 3, is provided with center-pole 7 in intermediate connection tube 3, intermediate connection tube 3 is outside equipped with slip spider 4, and the bottom of slip spider 4 is provided with slips 5; The upper end of center-pole 7 is provided with axial central blind hole, the sidewall of center-pole 7 is provided with multiple pressure guide hole be communicated with central blind hole; Radial boss is provided with in slip spider 4, center-pole 7 is outside equipped with the snap ring of the radial direction coordinated with boss, snap ring is provided with breach, breach is set to annular, breach be arranged on the lower side of snap ring stupefied on, breach and slip spider 4 form accumulator, pilot hole is communicated with accumulator, center-pole 7 and slip spider 4 form oil hydraulic cylinder, hydraulic oil is by one-way valve 2, flow through central blind hole and the pressure guide hole of intermediate connection tube 3 cavity and center-pole 7, inflow breach and slip spider form accumulator, and it is up that hydraulic oil promotes center-pole 7; Center-pole 7 stretches out slip spider 4 and slips 5, the external part of center-pole 7 is set with cone snap ring 6, rubber tube 8, pressure cap 9 from top to bottom successively, in the up process of center-pole 7, drive pressure cap 9 up simultaneously, the up extruding rubber tube 8 of pressure cap 9, and promote cone snap ring 6, slips 5 is opened, by oil gas plugging pipelines.
Wherein, the inner side surface of slips 5 is set to taper, and the outer side surface of cone snap ring 6 is set to the taper coordinated with the inner side surface of slips 5.
Wherein, valve body connecting tube 1 is fixedly connected with intermediate connection tube 3 by screw thread.
Wherein, intermediate connection tube 3 is fixedly connected with slip spider 4 by screw thread.
Wherein, pressure cap 9 is fixed to the lower end of center-pole 7 by screw thread.
The external diameter of this blocking device is the valve latus rectum being less than well head, is also less than the internal diameter of the pipeline that head valve connects; That is blocking device to pass valve internal, and penetrate into the inside of the pipeline be connected with valve.
When carrying out shutoff, by feeder, this blocking device is sent to pipe interior, high-pressure and hydraulic oil pump is entered the cavity of valve body connecting tube 1, hydraulic oil is by one-way valve 2, flow through central blind hole and the pressure guide hole of intermediate connection tube 3 cavity and center-pole 7, inflow breach and slip spider form accumulator, center-pole 7 and slip spider 4 form oil hydraulic cylinder, hydraulic oil enters oil hydraulic cylinder, it is up that hydraulic oil promotes center-pole 7, center-pole 7 is set with slip spider 4, slips 5, cone snap ring 6 and rubber tube 8, and has secured pressure cap 9 at threads; In the up process of center-pole 7, drive pressure cap 9 up, the up extruding rubber tube 8 of pressure cap 9 simultaneously, and promote cone snap ring 6, slips 5 is opened, by oil gas plugging pipelines; One-way valve 2 makes to keep high pressure conditions in this device.
When removing shutoff, use deblocking bar to promote one-way valve 2 gently, the hydraulic oil in device cavity is laid down, under the restoring force effect of rubber tube 8, device deblocking.
This blocking device can carry out effective shutoff to oil and gas pipeline in situation with pressure; Convenient changing well head main valve or side valve is got final product after shutoff; The use of this device avoids the adverse effect that kill job causes payzone; Greatly reduce time and financial cost more; And this apparatus structure is compact, easy and simple to handle, can realize repeating reliable shutoff.This blocking device can carry out effective shutoff to oil and gas pipeline in situation with pressure; Convenient changing well head main valve or side valve is got final product after shutoff; The use of this device avoids the adverse effect that kill job causes payzone; Greatly reduce time and financial cost more; And this apparatus structure is compact, easy and simple to handle, can realize repeating reliable shutoff.
Although be below described embodiment of the present utility model by reference to the accompanying drawings; But the utility model is not limited to above-mentioned specific embodiments and applications field; Above-mentioned specific embodiments is only schematic, guiding; Instead of it is restrictive.Those of ordinary skill in the art is under the enlightenment of specification; When not departing from the scope that the utility model claim is protected; A variety of forms can also be made; These all belong to the row of the utility model protection.
Claims (5)
1. a sealer under pressure, it is characterized in that: comprise valve body connecting tube, one-way valve is provided with in described valve body connecting tube, the lower end of described valve body connecting tube is provided with intermediate connection tube, center-pole is provided with in described intermediate connection tube, described intermediate connection tube is outside equipped with slip spider, and the bottom of described slip spider is provided with slips; The upper end of described center-pole is provided with axial central blind hole, the sidewall of described center-pole is provided with the pressure guide hole that multiple and described central blind hole is communicated with; Be provided with radial boss in described slip spider, described center-pole is outside equipped with the snap ring of the radial direction coordinated with described boss, and described snap ring is provided with breach, and described breach and slip spider form accumulator, and described pilot hole is communicated with accumulator; Described center-pole stretches out described slip spider and slips, and the external part of described center-pole is set with cone snap ring, rubber tube, pressure cap from top to bottom successively.
2. a kind of sealer under pressure according to claim 1, is characterized in that: the inner side surface of described slips is set to taper, and the outer side surface of described cone snap ring is set to the taper coordinated with the inner side surface of described slips.
3. a kind of sealer under pressure according to claim 1, is characterized in that: described valve body connecting tube is fixedly connected with intermediate connection tube by screw thread.
4. a kind of sealer under pressure according to claim 1, is characterized in that: described intermediate connection tube is fixedly connected with slip spider by screw thread.
5. a kind of sealer under pressure according to claim 1, is characterized in that: described pressure cap is fixed to the lower end of center-pole by screw thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520445782.XU CN204704472U (en) | 2015-06-26 | 2015-06-26 | A kind of sealer under pressure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520445782.XU CN204704472U (en) | 2015-06-26 | 2015-06-26 | A kind of sealer under pressure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204704472U true CN204704472U (en) | 2015-10-14 |
Family
ID=54284091
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520445782.XU Expired - Fee Related CN204704472U (en) | 2015-06-26 | 2015-06-26 | A kind of sealer under pressure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204704472U (en) |
-
2015
- 2015-06-26 CN CN201520445782.XU patent/CN204704472U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151014 Termination date: 20170626 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |