CN204828825U - Valve is pressed in accuse of pressure regulating formula - Google Patents
Valve is pressed in accuse of pressure regulating formula Download PDFInfo
- Publication number
- CN204828825U CN204828825U CN201520517900.3U CN201520517900U CN204828825U CN 204828825 U CN204828825 U CN 204828825U CN 201520517900 U CN201520517900 U CN 201520517900U CN 204828825 U CN204828825 U CN 204828825U
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- China
- Prior art keywords
- thrust spring
- ball seat
- housing
- pressure regulating
- control valve
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- Withdrawn - After Issue
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Abstract
The utility model relates to a valve is pressed in accuse of pressure regulating formula, the multilayer separating tower comprises a first shell, its one end is provided with pipeline fluid entry, be equipped with the export of pipeline fluid on the lateral wall, the inside cover of first casing is equipped with the thrust spring subassembly, the first casing other end is connected with the second casing, its inside thrust spring thrust unit who leans on with the counterbalance of thrust spring subassembly that is equipped with, the inside pot head of first casing is equipped with first spheroid seat, first spheroid seat one end is leaned on with inside counterbalance of first casing, the first spheroid seat other end supports by there being sealed spheroid, sealed spheroid opposite side supports by there being second spheroid seat, axial interval annular space between first spheroid seat and the second spheroid seat forms annular fluid passage, annular fluid passage and pipeline fluid export intercommunication, the second spheroid seat other end leans on with the one end counterbalance of thrust spring subassembly. This valve is pressed in accuse of pressure regulating formula can effectively avoid because of the flow among a small circle undulant cause suppress pressures, damage equipment and fluid leakage problem, simple structure, convenient operation are flattened surely in the accuse in the working process.
Description
Technical field
The utility model relates to petroleum chemical industry pressure control production technology, particularly relates to a kind of pressure regulating type pressure control valve.
Background technique
At present, in each link that petroleum chemical industry needs pressure control to produce, involved pressure vessel outlet, pipe network and the middle pressure control valve used of the oil well (such as flowing well, gas recovery well, SAGD oil recovery well) needing pressure control to produce are gate valve, its flow control relies on rotation hand wheel to change valve plate aperture, controls flow and the pressure of medium fluid in pipeline.Valve plate aperture due to gate valve can only rely on artificial mechanism to adjust, and therefore valve cannot accomplish controller perturbation to the pressure in pipeline, when needing pilot pressure, must switch valve repeatedly, and then setting pressure is apparent examines pressure.When fluid occurs that flow rises sharply among a small circle, often because the adjustment of pressure control valve produces build the pressure damage pressurized container, pipe network and flow process sealing configuration not in time, and then cause fluid to leak, loss is serious.
Thus, the present inventor relies on experience and the practice of being engaged in relevant industries for many years, proposes a kind of pressure regulating type pressure control valve, to overcome the defect of prior art.
Model utility content
The purpose of this utility model is to provide a kind of pressure regulating type pressure control valve, what this pressure regulating type pressure control valve can effectively be avoided causing because flow fluctuates among a small circle builds the pressure, injury device and Fluid leakage problems, in working procedure, pressure control is steady, and structure is simple, easy to operate.
The purpose of this utility model realizes like this, a kind of pressure regulating type pressure control valve, comprise one first housing, described first shell one end is provided with pipeline fluid entrance, described first housing sidewall is provided with pipeline fluid outlet, described first enclosure interior is arranged with thrust spring assembly, the described first housing the other end is sealedly connected with one second housing, described second enclosure interior is provided with the thrust spring pushing device leant with described thrust spring assembly, described first enclosure interior is positioned at the first ball seat that described pipeline fluid entrance one end is arranged with axial restraint, described first ball seat one end and described first enclosure interior lean, the described first ball seat the other end is against there being a sealed spheroid, described sealed spheroid opposite side is arranged and second ball seat that can move axially against having one with described first ball seat axially spaced-apart, axially spaced-apart annular space between described first ball seat and described second ball seat forms annular fluid passage, described annular fluid passage and described pipeline fluid outlet, one end of the described second ball seat the other end and described thrust spring assembly leans.
In a better embodiment of the present utility model, described first enclosure interior center is provided with the first mounting hole, described second enclosure interior center is provided with second mounting hole through with described first mounting hole, and described first mounting hole is identical with described second mounting hole aperture; Described first enclosure interior is positioned at the first step portion that described pipeline fluid entrance one end is provided with aperture increase, one end of described first step portion and described first ball seat leans, side, described first step portion is the first anchor ring, and described first anchor ring internal sleeve establishes described first ball seat; Cavity gap space is provided with between described thrust spring assembly outer wall and described first mounting hole, described second mounting hole inwall; Described second ball seat one end is provided with the ball seat curve bath mated with sealed spheroid.
In a better embodiment of the present utility model, described thrust spring assembly comprises a thrust spring, and the other end of described thrust spring one end and described second ball seat leans, and the described thrust spring the other end and described thrust spring pushing device lean, the thrust spring sheath of axial restraint is arranged with outside described thrust spring, described thrust spring sheath center is provided with the first axially through through hole, it is inner that described thrust spring is sheathed on described first through hole, on described thrust spring sheath sidewall, circumference is evenly provided with the multiple first axial groove thoroughly, described thrust spring sheath one end is formed with the first annular end, described first enclosure interior is positioned at the second step portion being provided with aperture increase outside described first ball seat, the end face of described second step portion and described first annular end leans, side, described second step portion is the second anchor ring, inner sheathed described first annular end of described second anchor ring, the described thrust spring sheath the other end is provided with the second annular end, and it is inner that described second annular end is sheathed on described second mounting hole.
In a better embodiment of the present utility model, described thrust spring jacket inner wall is provided with the axial lead groove of two radial symmetric, described second ball seat outer side wall is provided with first of two radial symmetric and guides ear seat, and described first guides ear seat to be slidedly arranged on described axial lead groove one end.
In a better embodiment of the present utility model, described thrust spring pushing device comprises the worm screw that a sealing is arranged in described second housing side, described second enclosure interior center is provided with the worm gear of the axial restraint coordinated with described worm screw, described worm gear center is provided with the first tapped hole, described first tapped hole inside is equipped with the screw rod that circumference is fixing, can move axially, and described screw rod one end is connected through described first through hole end thrust spring cushion block that is fixing with a circumference, that can move axially.
In a better embodiment of the present utility model, described thrust spring cushion block outer side wall is provided with second of two radial symmetric and guides ear seat, and described second guides ear seat to be slidedly arranged on the described axial lead groove the other end; Described thrust spring cushion block end face and the described thrust spring the other end lean.
In a better embodiment of the present utility model, described worm screw one end is connected with handwheel, it is inner that the described worm screw the other end is sheathed on one first end cover, be tightly connected between described first end cover and described second housing, described worm screw is arranged with the second sealing cover between described handwheel and described second housing, is tightly connected between described second sealing cover and described second housing.
In a better embodiment of the present utility model, between described second sealing cover and described second housing, be arranged with gland, between described gland and described second housing, be provided with worm screw stuffing box packing.
In a better embodiment of the present utility model, the described second housing the other end is provided with the 3rd stepped part, and described 3rd stepped part and described worm gear one end lean, and the exterior edge face of the described worm gear the other end and described second annular end leans; The outer end sidewall of described second annular end is provided with arc groove, forms worm screw space between described arc groove and described second inner walls.
In a better embodiment of the present utility model, the described first housing the other end is provided with the first flange plate, described second shell one end is provided with the second flange plate, be provided with housing seal pad between described first flange plate and described second flange plate, be bolted between described first flange plate and described second flange plate.
From the above mentioned, the pressure regulating type pressure control valve that the utility model provides, Appropriate application Worm Wheel System principle, by the accurate pilot pressure scope of thrust spring reduction length, make full use of ball-valve structure and complete the Stress control that fluid flow fluctuates among a small circle, working procedure pressure control is steady; Structure is simple, easy to operate, applied widely.
Accompanying drawing explanation
The following drawings is only intended to schematically illustrate the utility model and explain, does not limit scope of the present utility model.Wherein:
Fig. 1: be pressure regulating type pressure controlled valve door schematic diagram of the present utility model.
Fig. 2: be A-A place sectional view in Fig. 1.
Fig. 3: be B-B place sectional view in Fig. 1.
Fig. 4: be the sectional schematic diagram of thrust spring sheath of the present utility model.
Fig. 5: be C-C place sectional view in Fig. 4.
Embodiment
In order to there be understanding clearly to technical characteristics of the present utility model, object and effect, now contrast accompanying drawing and embodiment of the present utility model is described.
As Fig. 1, shown in Fig. 3, the pressure regulating type pressure control valve 100 that the utility model provides, comprise one first housing 1, first housing 1 one end is provided with pipeline fluid entrance 11, first housing 1 sidewall is provided with pipeline fluid outlet 12, first housing 1 internal sleeve is provided with thrust spring assembly 2, first housing 1 the other end is sealedly connected with one second housing 3, in the present embodiment, first housing 1 the other end is provided with the first flange plate 13, second housing 3 one end is provided with the second flange plate 31, housing seal pad 14 is provided with between first flange plate 13 and the second flange plate 31, be bolted between first flange plate 13 and the second flange plate 31, second housing 3 inside is provided with the thrust spring pushing device 4 leant with thrust spring assembly 2.As shown in Figure 3, in the present embodiment, first housing 1 inside center is provided with the first mounting hole 15, second housing 3 inside center is provided with second mounting hole 32 through with the first mounting hole 15, first mounting hole 15 is identical with the second mounting hole 32 aperture, and thrust spring assembly 2, thrust spring pushing device 4 are arranged in the pore space that the first mounting hole 15 and the second mounting hole 32 formed, first housing 1 inside is positioned at the first ball seat 51 that pipeline fluid entrance 11 one end is arranged with axial restraint, first ball seat 51 one end and the first housing 1 inside lean, as shown in Figure 3, in the present embodiment, first housing 1 inside is positioned at the first step portion 16 that pipeline fluid entrance 11 one end is provided with aperture increase, one end of first step portion 16 and the first ball seat 51 leans, and side, first step portion 16 is inner sheathed first ball seat 51 of the first anchor ring 161, first anchor ring 161, first ball seat 51 the other end is against there being a sealed spheroid 5, sealed spheroid 5 opposite side against have one and first ball seat 51 axially spaced-apart arrange and second ball seat 52 that can move axially, axially spaced-apart annular space between first ball seat 51 and the second ball seat 52 forms annular fluid passage 53, annular fluid passage 53 and pipeline fluid export 12 and are communicated with, in the present embodiment, thrust spring assembly 2 outer wall and the first mounting hole 15, cavity gap space 17 is provided with between second mounting hole 32 inwall, cavity gap space 17 exports between 12 in annular fluid passage 53 and pipeline fluid, fluid completes release of pressure in cavity gap space 17, fluid high-pressure is avoided to impact subsequent pipeline or container.In the present embodiment, one end that the second ball seat 52 is provided with ball seat curve bath 521, second ball seat 52 the other end and the thrust spring assembly 2 mated with sealed spheroid 5 leans.
Further, as shown in Fig. 3, Fig. 4, Fig. 5, thrust spring assembly 2 comprises a thrust spring 21, and the other end of thrust spring 21 one end and the second ball seat 52 leans, and thrust spring 21 the other end and thrust spring pushing device 4 lean, the thrust spring sheath 22 of axial restraint is arranged with outside thrust spring 21, thrust spring sheath 22 center is provided with the first axially through through hole 221, it is inner that thrust spring 21 is sheathed on the first through hole 221, on thrust spring sheath 22 sidewall, circumference is evenly provided with the multiple first axial groove 222 thoroughly, as shown in Figure 3, in the present embodiment, thrust spring sheath 22 inwall is provided with the axial lead groove 223 of two radial symmetric, second ball seat 52 outer side wall is provided with first of two radial symmetric and guides ear seat 522, first guides ear seat 522 to be slidedly arranged on axial lead groove 223 one end, first guiding ear seat 522 vertically steering channel 223 moves axially, achieve the second ball seat 52 circumference fixing simultaneously, the second ball seat 52 is avoided to rotate in a circumferential direction, thrust spring sheath 22 one end is formed with the first annular end 224, first housing 1 inside is positioned at the second step portion 18 being provided with aperture increase outside the first ball seat 51, the end face of second step portion 18 and the first annular end 224 leans, side, second step portion 18 is the inner sheathed first ring shape end 224 of the second anchor ring 181, second anchor ring 181, thrust spring sheath 22 the other end is provided with the second annular end 225, second annular end center and is provided with coaxial annular end through hole 2252, second annular end 225 arranged with the first through hole 221 to be sheathed on the second mounting hole 32 inner.
Further, as shown in Figure 2 and Figure 3, thrust spring pushing device 4 comprises the worm screw 41 that a sealing is arranged in the second housing 3 side, second housing 3 inside center place is provided with the worm gear 42 of the axial restraint coordinated with worm screw 41, as shown in Figure 3, in the present embodiment, second housing 3 the other end is provided with the 3rd stepped part 33,3rd stepped part 33 leans with worm gear 42 one end, and the exterior edge face of worm gear 42 the other end and the second annular end 225 leans; The outer end sidewall of the second annular end 225 is provided with arc groove 2251, forms worm screw space between arc groove 2251 and the second housing 3 inwall.Worm gear 42 center is provided with the first tapped hole 421, it is fixing that first tapped hole 421 inside is equipped with circumference, the screw rod 43 that can move axially, it is fixing that annular end through hole 2252 and the first through hole 221 end and a circumference are passed in screw rod 43 one end, the thrust spring cushion block 44 that can move axially connects, as shown in Figure 3, in the present embodiment, thrust spring cushion block 44 outer side wall is provided with second of two radial symmetric and guides ear seat 441, second guides ear seat 441 to be slidedly arranged on axial lead groove 223 the other end, second guiding ear seat 441 vertically steering channel 223 moves axially, achieve thrust spring cushion block 44 circumference fixing simultaneously, thrust spring cushion block 44 is avoided to rotate in a circumferential direction, and then it is fixing to achieve screw rod 43 circumference, thrust spring cushion block 44 end face and thrust spring 21 the other end lean.
Further, as shown in Figure 2 and Figure 3, worm screw 41 one end is connected with handwheel 411, it is inner that worm screw 411 the other end is sheathed on one first end cover 412, be tightly connected between first end cover 412 and the second housing 3, worm screw 41 is arranged with between handwheel 411 and the second housing 3 between second sealing cover 413, second sealing cover 413 and the second housing 3 and is tightly connected.As shown in Figure 2, in the present embodiment, be arranged with gland 414 between the second sealing cover 413 and the second housing 3, between gland 414 and the second housing 3, be provided with worm screw stuffing box packing 415.
The pressure regulating type pressure control valve 100 that the utility model provides, realize worm screw 41 by rotation hand wheel 411 manually to rotate, and then drive the worm gear 42 of axial restraint to rotate, the screw rod 43 that the circumference that worm gear 42 rotarily drives the center is fixed moves, calculate conversion by pressure requirements and draw screw rod 43 stroke, under screw rod 43 promotes, thrust spring cushion block 44 transfers the pressure to thrust spring 21, thrust spring 21 transfers the pressure to sealed spheroid 5 by the second ball seat 52, adjustable opening between sealed spheroid 5 and the first ball seat 51 can realize Stress control when fluid flow fluctuates among a small circle, fluid enters pressure regulating type pressure control valve 100 from pipeline fluid entrance 11, the gap of fluid between sealed spheroid 5 and the first ball seat 51, annular fluid passage 53 enters in cavity gap space 17 and completes release of pressure, fluid flows out pressure regulating type pressure control valve 100 through pipeline fluid outlet 12 afterwards, enter in subsequent pipeline or container.
From the above mentioned, the pressure regulating type pressure control valve that the utility model provides, Appropriate application Worm Wheel System principle, by the accurate pilot pressure scope of thrust spring reduction length, make full use of ball-valve structure and complete the Stress control that fluid flow fluctuates among a small circle, working procedure pressure control is steady; Structure is simple, easy to operate, applied widely.
The foregoing is only the schematic embodiment of the utility model, and be not used to limit scope of the present utility model.Any those skilled in the art, equivalent variations done under the prerequisite not departing from design of the present utility model and principle and amendment, all should belong to the scope of the utility model protection.
Claims (10)
1. a pressure regulating type pressure control valve, comprise one first housing, described first shell one end is provided with pipeline fluid entrance, described first housing sidewall is provided with pipeline fluid outlet, described first enclosure interior is arranged with thrust spring assembly, the described first housing the other end is sealedly connected with one second housing, described second enclosure interior is provided with the thrust spring pushing device leant with described thrust spring assembly, it is characterized in that: described first enclosure interior is positioned at the first ball seat that described pipeline fluid entrance one end is arranged with axial restraint, described first ball seat one end and described first enclosure interior lean, the described first ball seat the other end is against there being a sealed spheroid, described sealed spheroid opposite side is arranged and second ball seat that can move axially against having one with described first ball seat axially spaced-apart, axially spaced-apart annular space between described first ball seat and described second ball seat forms annular fluid passage, described annular fluid passage and described pipeline fluid outlet, one end of the described second ball seat the other end and described thrust spring assembly leans.
2. pressure regulating type pressure control valve as claimed in claim 1, it is characterized in that: described first enclosure interior center is provided with the first mounting hole, described second enclosure interior center is provided with second mounting hole through with described first mounting hole, and described first mounting hole is identical with described second mounting hole aperture; Described first enclosure interior is positioned at the first step portion that described pipeline fluid entrance one end is provided with aperture increase, one end of described first step portion and described first ball seat leans, side, described first step portion is the first anchor ring, and described first anchor ring internal sleeve establishes described first ball seat; Cavity gap space is provided with between described thrust spring assembly outer wall and described first mounting hole, described second mounting hole inwall; Described second ball seat one end is provided with the ball seat curve bath mated with sealed spheroid.
3. pressure regulating type pressure control valve as claimed in claim 2, it is characterized in that: described thrust spring assembly comprises a thrust spring, the other end of described thrust spring one end and described second ball seat leans, and the described thrust spring the other end and described thrust spring pushing device lean, the thrust spring sheath of axial restraint is arranged with outside described thrust spring, described thrust spring sheath center is provided with the first axially through through hole, it is inner that described thrust spring is sheathed on described first through hole, on described thrust spring sheath sidewall, circumference is evenly provided with the multiple first axial groove thoroughly, described thrust spring sheath one end is formed with the first annular end, described first enclosure interior is positioned at the second step portion being provided with aperture increase outside described first ball seat, the end face of described second step portion and described first annular end leans, side, described second step portion is the second anchor ring, inner sheathed described first annular end of described second anchor ring, the described thrust spring sheath the other end is provided with the second annular end, and it is inner that described second annular end is sheathed on described second mounting hole.
4. pressure regulating type pressure control valve as claimed in claim 3, it is characterized in that: described thrust spring jacket inner wall is provided with the axial lead groove of two radial symmetric, described second ball seat outer side wall is provided with first of two radial symmetric and guides ear seat, and described first guides ear seat to be slidedly arranged on described axial lead groove one end.
5. pressure regulating type pressure control valve as claimed in claim 4, it is characterized in that: described thrust spring pushing device comprises the worm screw that a sealing is arranged in described second housing side, described second enclosure interior center is provided with the worm gear of the axial restraint coordinated with described worm screw, described worm gear center is provided with the first tapped hole, described first tapped hole inside is equipped with the screw rod that circumference is fixing, can move axially, and described screw rod one end is connected through described first through hole end thrust spring cushion block that is fixing with a circumference, that can move axially.
6. pressure regulating type pressure control valve as claimed in claim 5, is characterized in that: described thrust spring cushion block outer side wall is provided with second of two radial symmetric and guides ear seat, and described second guides ear seat to be slidedly arranged on the described axial lead groove the other end; Described thrust spring cushion block end face and the described thrust spring the other end lean.
7. pressure regulating type pressure control valve as claimed in claim 5, it is characterized in that: described worm screw one end is connected with handwheel, it is inner that the described worm screw the other end is sheathed on one first end cover, be tightly connected between described first end cover and described second housing, described worm screw is arranged with the second sealing cover between described handwheel and described second housing, is tightly connected between described second sealing cover and described second housing.
8. pressure regulating type pressure control valve as claimed in claim 7, is characterized in that: be arranged with gland between described second sealing cover and described second housing, is provided with worm screw stuffing box packing between described gland and described second housing.
9. pressure regulating type pressure control valve as claimed in claim 5, it is characterized in that: the described second housing the other end is provided with the 3rd stepped part, described 3rd stepped part and described worm gear one end lean, and the exterior edge face of the described worm gear the other end and described second annular end leans; The outer end sidewall of described second annular end is provided with arc groove, forms worm screw space between described arc groove and described second inner walls.
10. pressure regulating type pressure control valve as claimed in claim 1, it is characterized in that: the described first housing the other end is provided with the first flange plate, described second shell one end is provided with the second flange plate, be provided with housing seal pad between described first flange plate and described second flange plate, be bolted between described first flange plate and described second flange plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520517900.3U CN204828825U (en) | 2015-07-16 | 2015-07-16 | Valve is pressed in accuse of pressure regulating formula |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520517900.3U CN204828825U (en) | 2015-07-16 | 2015-07-16 | Valve is pressed in accuse of pressure regulating formula |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204828825U true CN204828825U (en) | 2015-12-02 |
Family
ID=54686428
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520517900.3U Withdrawn - After Issue CN204828825U (en) | 2015-07-16 | 2015-07-16 | Valve is pressed in accuse of pressure regulating formula |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204828825U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105090580A (en) * | 2015-07-16 | 2015-11-25 | 中国石油天然气股份有限公司 | Pressure regulating type pressure control valve |
| CN113279750A (en) * | 2020-02-19 | 2021-08-20 | 中国石油天然气股份有限公司 | Oil well sampling pressure-holding prevention device and oil well sampling system |
-
2015
- 2015-07-16 CN CN201520517900.3U patent/CN204828825U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105090580A (en) * | 2015-07-16 | 2015-11-25 | 中国石油天然气股份有限公司 | Pressure regulating type pressure control valve |
| CN105090580B (en) * | 2015-07-16 | 2017-09-01 | 中国石油天然气股份有限公司 | Pressure-adjusting type pressure control valve |
| CN113279750A (en) * | 2020-02-19 | 2021-08-20 | 中国石油天然气股份有限公司 | Oil well sampling pressure-holding prevention device and oil well sampling system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20151202 Effective date of abandoning: 20170901 |