CN207538811U - A kind of single hand wheel blowout prevention blowout preventer - Google Patents
A kind of single hand wheel blowout prevention blowout preventer Download PDFInfo
- Publication number
- CN207538811U CN207538811U CN201721572316.3U CN201721572316U CN207538811U CN 207538811 U CN207538811 U CN 207538811U CN 201721572316 U CN201721572316 U CN 201721572316U CN 207538811 U CN207538811 U CN 207538811U
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- China
- Prior art keywords
- hole
- bulge loop
- screw rod
- housing
- sealing plate
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- 230000002265 prevention Effects 0.000 title claims abstract description 12
- 238000007789 sealing Methods 0.000 claims abstract description 29
- 238000012856 packing Methods 0.000 claims abstract description 14
- 239000000446 fuel Substances 0.000 abstract description 5
- 238000002347 injection Methods 0.000 abstract description 5
- 239000007924 injection Substances 0.000 abstract description 5
- 238000005086 pumping Methods 0.000 abstract description 4
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Abstract
The utility model is related to a kind of single hand wheel blowout prevention blowout preventers, including housing, case top and bottom are equipped with ring flange, the first through hole to intersect vertically and the second through-hole are equipped in housing, inner walls are equipped with sliding slot, first bulge loop, second bulge loop and third bulge loop, the recess of second bulge loop is equipped with packing, the L-shaped structure in packing section, sealing plate is equipped in third bulge loop, sealing plate is equipped with sliding block and third through-hole, the first capping is equipped between sealing plate side and housing, opposite side is equipped with screw hole, the first screw rod is equipped in screw hole, the second capping is equipped between first screw rod tail end and housing, housing is equipped with the second screw rod, second screw rod is connected with handwheel；The utility model structure novel is compact, easy to operate, and good seal performance, service life is long, and performance safety is reliable, conducive to personnel's oil pumping operation amount is reduced, prevents oil spilling even fuel injection event, improves work efficiency.
Description
Technical field
The utility model is related to a kind of single hand wheel blowout prevention blowout preventers, belong to technical field of petroleum machinery.
Background technology
With deepening continuously for oil field development, length is stopped well quantity and is on the increase, and the requirement to wellhead hardware is also higher and higher.
When strata pressure is restored to a certain degree, well head will appear oil spilling even fuel injection event, form hidden danger, easily cause big
Area pollutes, and blowout preventer is that a kind of wait in operation process closes well head, by the full oil for sealing and sealing two kinds of functions with half and be integrated
Machinery is the common security seal wellhead assembly for preventing blowout in oil field.Blowout preventer structure of the prior art generally uses well
The pressure of inner annulus and the flexible ability of rubber fuse, make oil pipe and tubing coupling that can pass through, and Seal Oil, sleeve ring
Shape space is used for Seal Oil, casing annulus in snubbing service, and it is double with both sides telescopic plunger that rubber, which stretches,
Hand wheel structure manipulates, and not only constructs cumbersome and inconvenient, and symmetrical rubber is difficult to effectively be placed in stroke end samely, causes to seal
Failure increases workload and risk of environmental pollution.
Utility model content
The purpose of this utility model is in view of the drawbacks of the prior art, to provide a kind of single hand wheel blowout prevention blowout preventer, structure letter
Single, easy to operate, good seal performance, service life is long, and performance safety is reliable, conducive to personnel's oil pumping operation amount is reduced, prevents from overflowing
Oil even fuel injection event, improves work efficiency.
The utility model is achieved by the following technical solutions：
A kind of single hand wheel blowout prevention blowout preventer, including housing, wherein, the case top and bottom are equipped with ring flange, institute
It states and the first through hole to intersect vertically and the second through-hole is equipped in housing, the inner walls are equipped with sliding slot, the first bulge loop, second
Bulge loop and third bulge loop, the sliding slot and third bulge loop are arranged on positioned at first through hole both sides on the second through-hole respectively, and described
One bulge loop and the second bulge loop are located at the second through-hole both sides respectively, and are coaxially disposed with first through hole, and second bulge loop is equipped with
Recess, the recess are equipped with packing, the L-shaped structure in packing section；
Sealing plate is equipped in the third bulge loop, the sealing plate both sides coordinate respectively with the first bulge loop and packing, the sealing plate
Sliding block and third through-hole are equipped with, the sliding block is used cooperatively with sliding slot, and the third through-hole is arranged in parallel with first through hole, institute
It states and the first capping is equipped between sealing plate side and housing, opposite side is equipped with screw hole, and the first screw rod, institute are equipped in the screw hole
It states and the second capping is equipped between the first screw rod tail end and housing, second capping and first is covered between housing, the first spiral shell
Matching thread is equipped between bar and screw hole, the housing is equipped with the second screw rod, and second screw rod is vertical with the first screw rod,
And be used cooperatively, second screw rod is connected with handwheel.
A kind of above-mentioned single hand wheel blowout prevention blowout preventer, wherein, the ring flange is equipped with sealed groove, in the sealed groove
Equipped with O-ring seals.
A kind of above-mentioned single hand wheel blowout prevention blowout preventer, wherein, the sealing plate is equipped with cylindrical groove, is set in first capping
There is cylinder, the cylinder coordinates with cylindrical groove shape.
The beneficial effects of the utility model are：
The utility model structure novel is compact, reasonable design, using easy to assembly, pass through the ring flange point of top and bottom
It is not connect with wellhead assembly, and sealing reliability is improved with O-ring seals；By single handwheel drive the second screw rod, can make with
Cooperation the rotation of the first screw rod, screw hole drives sealing plate relative displacement with matching thread, changes third through-hole and the second through-hole
Full envelope and half coaxially are sealed two kinds of functions to be integrated, coordinated with cylinder and cylindrical groove shape, sliding block is used cooperatively with sliding slot
Ensure alignment, improve axial movement stability, be conducive to reduce sealing plate mobile space using L-shaped packing, guarantee is sealed with certain
Service life, remain good sealing performance, so as to reduce operating difficulty, performance safety is reliable, conducive to reduce personnel oil pumping
Workload prevents oil spilling even fuel injection event, improves work efficiency.
Description of the drawings
FIG. 1 is a schematic structural view of the utility model.
（In figure, housing 1, ring flange 2, sealed groove 3, O-ring seals 4,5 and second through-hole 6 of first through hole, sliding slot 7,
First bulge loop 8, the second bulge loop 9 and third bulge loop 10, recess 11, packing 12, sealing plate 13, sliding block 14, third through-hole 15, the first envelope
Lid 16, screw hole 24, cylindrical groove 17, cylinder 18, the first screw rod 19, the second capping 20, matching thread 21, the second screw rod 22, hand
Wheel 23）.
Specific embodiment
Specific embodiment of the present utility model is described further below in conjunction with the accompanying drawings.
A kind of single hand wheel blowout prevention blowout preventer, including housing 1, wherein, 1 top and bottom of housing are equipped with ring flange 2,
The ring flange 2 is equipped with sealed groove 3, and O-ring seals 4 are equipped in the sealed groove 3, are equipped in the housing 1 vertical
Intersecting 5 and second through-hole 6 of first through hole, 1 inner wall of housing are equipped with sliding slot 7, the first bulge loop 8, the second bulge loop 9 and third
Bulge loop 10, the sliding slot 7 and third bulge loop 10 are arranged on positioned at 5 both sides of first through hole on the second through-hole 6 respectively, and described first is convex
8 and second bulge loop 9 of ring is located at 6 both sides of the second through-hole respectively, and is coaxially disposed with first through hole 5, and second bulge loop 9 is equipped with
Recess 11, the recess 11 are equipped with packing 12, the L-shaped structure in 12 section of packing；
Sealing plate 13 is equipped in the third bulge loop 10,13 both sides of sealing plate coordinate respectively with the first bulge loop 8 and packing 12,
The sealing plate 13 is equipped with sliding block 14 and third through-hole 15, and the sliding block 14 is used cooperatively with sliding slot 7, the third through-hole 15 and
First through hole 5 is arranged in parallel, and the first capping 16 is equipped between 13 side of sealing plate and housing 1, opposite side is equipped with screw hole, described
Sealing plate 13 is equipped with cylindrical groove 17, and cylinder 18, the cylinder 18 and 17 shape of cylindrical groove are equipped in first capping 16
Cooperation；
The first screw rod 19 is equipped in the screw hole, the second envelope is equipped between 19 tail end of the first screw rod and housing 1
Lid 20 is equipped with matching thread between second capping, 20 and first capping 16 and housing 1, between the first screw rod 19 and screw hole
21, the housing 1 is equipped with the second screw rod 22, and second screw rod 22 is vertical with the first screw rod 19, and is used cooperatively, and described the
Two screw rods 22 are connected with handwheel 23.
The working method of the utility model is：
Ring flange 2 with wellhead assembly is connect respectively, and sealing reliability is improved with O-ring seals 4, matching thread 21 is torn open
Dress maintenance is convenient；Being rotated by hand wheel 23 drives the second screw rod 22 to rotate, and is rotated in matched and vertical first
It is rotated in second capping 20,13 and first screw rod relative horizontal displacement of sealing plate is made, and with column by the matching thread 21 in screw hole
Body 18 coordinates with 17 shape of cylindrical groove, and sliding block 14, with the use of stroke end is ensured, ensures to seal with sliding slot 7 with third bulge loop 10
The stability that plate 13 is axially moved；When third through-hole 15 and completely non-intersect first through hole 5 in full closeding state, work as third
Through-hole 15 intersect with first through hole 5 but it is not coaxial when, in semi-closed state, until coaxially flexibly being controlled in unset state
System, easy to operate, L-shaped packing 12 is conducive to reduce 13 mobile space of sealing plate, and guarantee is sealed with certain service life, remains good
Sealing performance, conducive to reduce personnel's oil pumping operation amount, prevent oil spilling even fuel injection event, improve work efficiency.
The preferable specific embodiment of the above, only the utility model, but the scope of protection of the utility model is not
This is confined to, in the technical scope that any one skilled in the art discloses in the utility model, can be readily occurred in
Change or replacement, should all cover within the protection scope of the present utility model.Therefore, the scope of protection of the utility model should be with
Subject to the protection domain of claims.
Claims (3)
1. a kind of single hand wheel blowout prevention blowout preventer, including housing, it is characterized in that, the case top and bottom are equipped with ring flange,
It is equipped with the first through hole to intersect vertically and the second through-hole in the housing, the inner walls are equipped with sliding slot, the first bulge loop, the
Two bulge loops and third bulge loop, the sliding slot and third bulge loop are arranged on positioned at first through hole both sides on the second through-hole respectively, described
First bulge loop and the second bulge loop are located at the second through-hole both sides respectively, and are coaxially disposed with first through hole, are set on second bulge loop
There is recess, the recess is equipped with packing, the L-shaped structure in packing section；
Sealing plate is equipped in the third bulge loop, the sealing plate both sides coordinate respectively with the first bulge loop and packing, are set on the sealing plate
There are sliding block and third through-hole, the sliding block is used cooperatively with sliding slot, and the third through-hole is arranged in parallel with first through hole, the envelope
The first capping is equipped between plate side and housing, opposite side is equipped with screw hole, is equipped with the first screw rod in the screw hole, and described the
Between one screw rod tail end and housing be equipped with second capping, it is described second capping first capping housing between, the first screw rod with
Matching thread is equipped between screw hole, the housing is equipped with the second screw rod, and second screw rod is vertical with the first screw rod, and matches
It closes and uses, second screw rod is connected with handwheel.
2. a kind of single hand wheel blowout prevention blowout preventer as described in claim 1, it is characterized in that, it is recessed that the ring flange is equipped with sealing
Slot, the sealed groove is interior to be equipped with O-ring seals.
3. a kind of single hand wheel blowout prevention blowout preventer as described in claim 1, it is characterized in that, the sealing plate is equipped with cylindrical groove,
Cylinder is equipped in first capping, the cylinder coordinates with cylindrical groove shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721572316.3U CN207538811U (en) | 2017-11-22 | 2017-11-22 | A kind of single hand wheel blowout prevention blowout preventer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721572316.3U CN207538811U (en) | 2017-11-22 | 2017-11-22 | A kind of single hand wheel blowout prevention blowout preventer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207538811U true CN207538811U (en) | 2018-06-26 |
Family
ID=62614712
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721572316.3U Active CN207538811U (en) | 2017-11-22 | 2017-11-22 | A kind of single hand wheel blowout prevention blowout preventer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207538811U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112681988A (en) * | 2021-03-18 | 2021-04-20 | 中石化胜利石油工程有限公司管具技术服务中心 | Friction welding type blowout prevention pipeline |
-
2017
- 2017-11-22 CN CN201721572316.3U patent/CN207538811U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112681988A (en) * | 2021-03-18 | 2021-04-20 | 中石化胜利石油工程有限公司管具技术服务中心 | Friction welding type blowout prevention pipeline |
| CN112681988B (en) * | 2021-03-18 | 2022-04-01 | 中石化胜利石油工程有限公司管具技术服务中心 | Friction welding type blowout prevention pipeline |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: YANCHENG JIAXIN PETROLEUM MACHINERY MANUFACTURE CO.,LTD. Assignor: YANCHENG HENGTONG PETROLEUM MACHINERY MANUFACTURING CO.,LTD. Contract record no.: X2023320000230 Denomination of utility model: A single handwheel blowout prevention and sealing device Granted publication date: 20180626 License type: Common License Record date: 20231115 |
|
| EE01 | Entry into force of recordation of patent licensing contract |