CN206754387U - A kind of improved high-voltage needle-valve - Google Patents
A kind of improved high-voltage needle-valve Download PDFInfo
- Publication number
- CN206754387U CN206754387U CN201720438052.6U CN201720438052U CN206754387U CN 206754387 U CN206754387 U CN 206754387U CN 201720438052 U CN201720438052 U CN 201720438052U CN 206754387 U CN206754387 U CN 206754387U
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- valve
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- sealing
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Abstract
Valve arrangement technical field is the utility model is related to, particularly a kind of improved high-voltage needle-valve.Occur wear out failure in operation, take a kind of cost-saved, simple maintenance new technology.Valve element, valve seat, valve body use tapered configuration form, the valve element is provided with internal layer seal cones, the valve seat is provided with outer layer seal cones and internal layer sealing cone, valve body is provided with outer layer sealing cone, internal layer seal cones and internal layer sealing cone are bonded to form internal layer linear sealing, and outer layer seal cones and outer layer sealing cone form outer layer linear sealing.Above-mentioned part is easy to processing, simple in construction, convenient disassembly, is particularly suitable for the simple replacing processing for occurring fortuitous event in the special vehicle operation process of oil field.
Description
Technical field
Valve arrangement technical field is the utility model is related to, particularly a kind of improved high-voltage needle-valve.
Background technology
High pressure needle valve is resistant to bigger pressure, good seal performance, suitable for elevated pressures than other kinds of valve
Gas or liquid medium sealing.It is particularly suitable for oil field equipment fracturing unit truck, is assembled and used with well-washing truck.Due to valve element
Between valve rod, between valve seat and valve body using being threadedly coupled.Body cavity is constantly washed away and rotten by various fluid media (medium)s
Erosion, valve body can produce serious corrosion using each part after a period of time and screw connection point, when abrasion or corrosion cause to seal
Hydraulic performance decline just needs to change valve element, and finding that threaded connection place has been become rusty in actual Renewal process can not extremely remove, and valve body removes spiral shell
The other parts in line junction have no damage and can also continue to use.But it can only integrally abandon the high pressure valve more renewed due to that can not dismantle
Assembly, cause very big waste.
Utility model content
The technical problem that the utility model solves is to provide a kind of convenient disassembly, saves the improved high-voltage pin of material
Valve.
Technical scheme is used by the utility model solves technical problem：
A kind of improved high-voltage needle-valve, including valve body, valve seat, valve element, bonnet, valve rod and handwheel, be provided with valve body valve seat,
Valve element and valve rod, valve body fasten with bonnet；It is characterized in that the valve element is provided with internal layer seal cones, the valve seat is provided with
Outer layer seal cones and internal layer sealing cone, valve body are provided with outer layer sealing cone, internal layer seal cones and internal layer sealing cone
Fitting forms internal layer linear sealing, and outer layer seal cones and outer layer sealing cone form outer layer linear sealing.
The valve element is provided with groove and back-up ring, and the T-shaped termination of valve rod one end is stretched into the groove of valve element, back-up ring lock T
Type termination, spacer is provided between back-up ring and T-shaped block.
Valve base sealing O-ring is provided between the outer layer seal cones and outer layer sealing cone.
Spacer, pressure ring I, sealing ring, pressure ring II and support ring are provided between the valve rod and bonnet.
The T-shaped termination of valve rod is provided with buffer gasket.
The valve rod top is provided with handwheel, and bonnet top is provided with sealing nut, and sealing nut is provided with boost bar.
The valve body top is provided with jam plate, and jam plate is buckled in the groove on bonnet.
The bonnet lower is provided with valve bonnet seal O-ring.
The beneficial effects of the utility model are：
The utility model is the high-pressure needle valve for the installation of existing oil field special vehicle, occurs abrasion in operation and loses
Effect, takes a kind of cost-saved, simple maintenance new technology.Valve element, valve seat, valve body use tapered configuration form, described
Valve element is provided with internal layer seal cones, and the valve seat is provided with outer layer seal cones and internal layer sealing cone, and valve body is provided with outer
Layer sealing cone, internal layer seal cones and internal layer sealing cone are bonded to form internal layer linear sealing, and outer layer seal cones and outer layer are close
Seal the conical surface and form outer layer linear sealing.Above-mentioned part is easy to processing, simple in construction, convenient disassembly, is particularly suitable for oil field special vehicle
Occurs the simple replacing processing of fortuitous event in operation process.
The valve element is provided with groove and back-up ring, and the T-shaped termination of valve rod one end is stretched into the groove of valve element, back-up ring lock T
Type termination, spacer is provided between back-up ring and T-shaped block, is easy to valve element to change.The outer layer seal cones and outer layer sealed taper
Valve base sealing O-ring is provided between face, the bonnet lower is provided with valve bonnet seal O-ring, and increase overall sealing performance carries simultaneously
Rise service life.The T-shaped termination of valve rod is provided with buffer gasket, is easy to valve rod to apply pressure and realizes valve element, valve seat, valve body certainly
Dynamic centering seal.The valve rod top is provided with handwheel, and bonnet top is provided with sealing nut, and sealing nut is provided with boost bar.
It is easy to the maintenance of stem member to change.The valve body top is provided with jam plate, and jam plate is buckled in the groove on bonnet.Fast and easy
Remove bonnet and valve body.
The utility model is easy to maintenance in the case where performance is constant by the tests of various special cars in summary
It is convenient, even if the valve element or valve seat that can also dismount damage easily in the wild, cost-effective and time.It is rationally excellent in overall structure
Change, simplify technique, improve productivity ratio, saved production cost.If it was found that valve has leakage, valve body and valve seat only need to be changed, its
Remaining part point can be used for multiple times, and avoid conventional valve assembly from scrapping caused waste.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Embodiment
A kind of improved high-voltage needle-valve, including valve body 1, valve seat 2, valve element 4, bonnet 15, valve rod 18 and handwheel 19, valve body 1
Interior to be provided with valve seat 2, valve element 4 and valve rod 18, valve body 1 fastens with bonnet 15；The valve element 4 is provided with internal layer seal cones 24, institute
State valve seat 2 and be provided with outer layer seal cones 21 and internal layer sealing cone 22, valve body 1 is provided with outer layer sealing cone 23, and internal layer is close
Envelope cone 24 and the fitting of internal layer sealing cone 22 form internal layer linear sealing, outer layer seal cones 21 and the shape of outer layer sealing cone 23
Into outer layer linear sealing.The valve element 4 is provided with groove and back-up ring 7, and the T-shaped termination of the one end of valve rod 18 is stretched into the groove of valve element 4,
Back-up ring 7 latches T-shaped termination, and spacer 6 is provided between back-up ring 7 and T-shaped block.The outer layer seal cones 21 and outer layer sealed taper
Valve base sealing O-ring 3 is provided between face 23.Adjusting gasket 9, pressure ring I 10, sealing are provided between the valve rod 18 and bonnet 15
Circle 11, pressure ring II 12 and support ring 13.The T-shaped termination of the valve rod 18 is provided with buffer gasket 5.The top of valve rod 18 is provided with
Handwheel 19, the top of bonnet 15 are provided with sealing nut 16, and sealing nut 16 is provided with boost bar 17.The top of valve body 1 is provided with
Jam plate 14, jam plate 14 are buckled in the groove on bonnet 15.The bottom of bonnet 15 is provided with valve bonnet seal O-ring 8.
A kind of quick change method of improved high-voltage needle-valve, comprises the following steps：
A, jam plate is disassembled
Valve rod 18 is unscrewed by handwheel 19 and releases contact stress between parts, the bolt 20 on jam plate 14 top is unclamped, tears open
Except jam plate 14；
B, removal bonnet, valve rod
Lifting bonnet 15 and valve rod 18, separate bonnet 15 and valve body 1, valve rod 18 separates with movable valve plug 4 with valve seat 2；
C, check and change abrasion or corroded components
Internal layer linear sealing or outer layer linear sealing damaged condition are checked, changes valve body 1 or valve seat 2；
D, dress is returned again
Valve seat 2 is first loaded into valve body 1, then valve element 4 is loaded into valve seat 2, the sealed bonnet 15 of installation jam plate 14 and valve body 1；
E, self centering seal
Valve rod 18 is screwed by handwheel 19, valve rod 18 contacts with each other with moving valve 1, valve seat 2 and valve element 4 re-form in
Layer line seals and outer layer linear sealing.
In addition to above-mentioned valve body 1 or valve seat 2 can realize quick-replaceable, top valve rod parts can also realize quick-replaceable,
Specific steps：
F, valve stem seal is changed
Sealing nut 16 is unclamped by boost bar 17, valve rod 18 is extracted out and re-replaces sealing ring 11, be reinstalled pressure ring I
10th, pressure ring II 12 and support ring 13, contact gap is adjusted by adjusting gasket 9.
The valve element 4 is provided with internal layer seal cones 24, and the valve seat 2 is provided with outer layer seal cones 21 and internal layer seals
The conical surface 22, valve body 1 are provided with outer layer sealing cone 23, and internal layer seal cones 24 and internal layer sealing cone 22 are bonded layer line in formation
Sealing, outer layer seal cones 21 and outer layer sealing cone 23 form outer layer linear sealing.Internal layer linear sealing and outer layer linear sealing are set
It is 1 to count tapering:6 taper hole inlays connection, and during assembling, valve seat is put into the valve body lower portion of corresponding taper, in certain uniform pressure
Inlayed under power wherein, both coordinated firm or solved sealing.Valve element is fixed with valve rod with pressing plate and jump ring, and leaves controllable float
Momentum, can self-centering in compaction process.
Claims (8)
1. a kind of improved high-voltage needle-valve, including valve body（1）, valve seat（2）, valve element（4）, bonnet（15）, valve rod（18）And handwheel
（19）, valve body（1）It is interior to be provided with valve seat（2）, valve element（4）And valve rod（18）, valve body（1）With bonnet（15）Fasten；It is characterized in that
The valve element（4）It is provided with internal layer seal cones（24）, the valve seat（2）It is provided with outer layer seal cones（21）Sealed with internal layer
The conical surface（22）, valve body（1）It is provided with outer layer sealing cone (23), internal layer seal cones（24）With internal layer sealing cone（22）Patch
Conjunction forms internal layer linear sealing, outer layer seal cones（21）Outer layer linear sealing is formed with outer layer sealing cone (23).
A kind of 2. improved high-voltage needle-valve according to claim 1, it is characterised in that the valve element（4）Be provided with groove and
Back-up ring（7）, valve rod（18）Valve element is stretched into the T-shaped termination of one end（4）Groove in, back-up ring（7）Latch T-shaped termination, back-up ring（7）With
Spacer is provided between T-shaped block（6）.
A kind of 3. improved high-voltage needle-valve according to claim 1, it is characterised in that the outer layer seal cones（21）With
Valve base sealing O-ring is provided between outer layer sealing cone (23)（3）.
A kind of 4. improved high-voltage needle-valve according to Claims 2 or 3, it is characterised in that the valve rod（18）With bonnet
（15）Between be provided with adjusting gasket（9）, pressure ring I（10）, sealing ring（11）, pressure ring II（12）And support ring（13）.
A kind of 5. improved high-voltage needle-valve according to claim 4, it is characterised in that the valve rod（18）Set on T-shaped termination
There is buffer gasket（5）.
A kind of 6. improved high-voltage needle-valve according to claim 5, it is characterised in that the valve rod（18）Top is provided with hand
Wheel（19）, bonnet（15）Top is provided with sealing nut（16）, sealing nut（16）It is provided with boost bar（17）.
A kind of 7. improved high-voltage needle-valve according to claim 6, it is characterised in that the valve body（1）Top is provided with jam plate
（14）, jam plate（14）It is buckled in bonnet（15）On groove in.
A kind of 8. improved high-voltage needle-valve according to claim 6, it is characterised in that the bonnet（15）Bottom is provided with valve
Lid seal O-ring（8）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720438052.6U CN206754387U (en) | 2017-04-25 | 2017-04-25 | A kind of improved high-voltage needle-valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720438052.6U CN206754387U (en) | 2017-04-25 | 2017-04-25 | A kind of improved high-voltage needle-valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206754387U true CN206754387U (en) | 2017-12-15 |
Family
ID=60615190
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720438052.6U Expired - Fee Related CN206754387U (en) | 2017-04-25 | 2017-04-25 | A kind of improved high-voltage needle-valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206754387U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107237892A (en) * | 2017-04-25 | 2017-10-10 | 甘肃天恩重工科技有限公司 | A kind of improved high-voltage needle-valve and its quick change method |
| CN112856033A (en) * | 2021-03-23 | 2021-05-28 | 苏州孚杰机械有限公司 | Novel throttle valve rod structure |
-
2017
- 2017-04-25 CN CN201720438052.6U patent/CN206754387U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107237892A (en) * | 2017-04-25 | 2017-10-10 | 甘肃天恩重工科技有限公司 | A kind of improved high-voltage needle-valve and its quick change method |
| CN107237892B (en) * | 2017-04-25 | 2023-09-19 | 甘肃天恩重工科技有限公司 | Improved high-pressure needle valve and quick replacement method thereof |
| CN112856033A (en) * | 2021-03-23 | 2021-05-28 | 苏州孚杰机械有限公司 | Novel throttle valve rod structure |
| CN112856033B (en) * | 2021-03-23 | 2023-02-24 | 江苏孚杰高端装备制造(集团)股份有限公司 | Novel throttle valve rod structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171215 Termination date: 20180425 |