CN105805379B - Pressure regulator is exchanged in a kind of natural gas liquefaction - Google Patents
Pressure regulator is exchanged in a kind of natural gas liquefaction Download PDFInfo
- Publication number
- CN105805379B CN105805379B CN201610298482.2A CN201610298482A CN105805379B CN 105805379 B CN105805379 B CN 105805379B CN 201610298482 A CN201610298482 A CN 201610298482A CN 105805379 B CN105805379 B CN 105805379B
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- China
- Prior art keywords
- screwed hole
- pressing plate
- pressure
- pressure cap
- connecting rod
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/20—Excess-flow valves
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Abstract
The present invention relates to a kind of natural gas liquefaction to exchange pressure regulator, including nut pressure cap (1), connecting rod (2) and pressing plate (3), manhole (4) is provided with the middle part of described nut pressure cap (1) upper surface vertically, the first screwed hole (11) is provided with the middle part of nut pressure cap (1) lower surface vertically, described the first screwed hole (11) communicates with manhole (4), and described the first screwed hole (11) is connected with the threaded portion (10) of connecting rod (2) one end or the threaded portion (10) of pressing plate (3) one end.The pressure regulation bar of the present invention is made up of connecting rod and pressing plate, when the pressure regulation spring force of same specification has deviation, can adjust the length of pressure regulation bar to control the elastic force of pressure regulation spring, a kind of pressure regulation spring can also be used in the case of the different air pressure that goes out, different flows.
Description
Technical field
The present invention relates to pressure regulator technical field, and pressure regulator is exchanged more particularly to a kind of natural gas liquefaction.
Background technology
The natural gas liquefaction used at present exchanges pressure regulator because pressure regulation pole length is fixed, when pressure regulation spring force has slightly
During microvariations, LP, which goes out air pressure, may exceed the margin of tolerance.And it is different go out air pressure, to be used in the case of different flows
Different pressure regulation springs, production and management can be given to make troubles.In production and processing, it is impossible to directly judge that natural gas liquefaction is exchanged and adjust
Depressor is in NG states or LP states, need to increase process to differentiate, considerably increase cost.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of natural gas liquefaction and exchange pressure regulator, pressure regulation bar in the device
It is made up of connecting rod and pressing plate, when the pressure regulation spring force of same specification has deviation, the length of pressure regulation bar can be adjusted to control
The elastic force of pressure regulation spring, a kind of pressure regulation spring can also be used in the case of the different air pressure that goes out, different flows.
The technical solution adopted for the present invention to solve the technical problems is：A kind of natural gas liquefaction is provided and exchanges pressure regulator,
Including nut pressure cap, connecting rod and pressing plate, manhole is provided with vertically in the middle part of described nut pressure cap upper surface, the nut pressure cap
The first screwed hole is provided with vertically in the middle part of lower surface, the first described screwed hole communicates with manhole, the first described screwed hole
It is connected with the threaded portion of connecting rod one end or the threaded portion of pressing plate one end；
Described connecting rod inner hollow, its one end are provided with the second screwed hole, and second screwed hole is by through hole with being connected
The end face of the threaded portion of bar communicates, and one end that the second screwed hole is provided with described connecting rod is connected with pressing plate, the pressing plate one end
Screw mandrel is installed, described screw mandrel extend into the second screwed hole and fixed, and the described pressing plate other end is provided with threaded portion.
Supplemented as one kind to technical solutions according to the invention, described pressing plate is in oblate column, the pressing plate one end
Circular cushion block is installed, described circular cushion block one end is provided with threaded portion.
Being supplemented as one kind to technical solutions according to the invention, described nut pressure cap includes pressure cap and cylindrical portion,
Manhole is provided with vertically in the middle part of described pressure cap upper surface, pressure cap lower surface middle part is vertically-mounted cylindrical portion, described
It is tapped in the side wall of cylindrical portion, it is provided with the first screwed hole, the first described screw thread vertically in the middle part of the lower surface of the cylindrical portion
Hole communicates with manhole.
Supplemented as one kind to technical solutions according to the invention, described pressure cap upper surface corresponds to manhole both sides
It has been arranged symmetrically rectangle inner groovy.
Supplemented as one kind to technical solutions according to the invention, described screw mandrel extend into the head of the second screwed hole
It is provided with flat recess.When needing to adjust the length of pressure regulation bar in LP states, screwdriver can be stretched into from the manhole of pressure cap,
It is connected through through hole with the flat recess on screw mandrel head, bit rotary screwdriver controls the depth that screw mandrel is extend into the second screwed hole to adjust
Save the length of pressure regulation bar.
Beneficial effect
The present invention relates to a kind of natural gas liquefaction to exchange pressure regulator, and pressure regulation bar is made up of connecting rod and pressing plate in the device,
When the pressure regulation spring force of same specification has deviation, the length of pressure regulation bar can be adjusted to control the elastic force of pressure regulation spring, in difference
Go out air pressure, can also use a kind of pressure regulation spring in the case of different flows, change the length of pressure regulation bar to change pressure regulation spring.
NG states or LP states can be in by the factory state for the manhole visual identification pressure regulator that pressure cap upper surface is arranged.
When device is in LP states and needs to adjust the length of pressure regulation bar, screwdriver can be stretched into from the manhole of pressure cap, through logical
Hole is connected with the flat recess on screw mandrel head, and bit rotary screwdriver controls the depth that screw mandrel is extend into the second screwed hole to adjust pressure regulation
The length of bar.
Brief description of the drawings
Fig. 1 is the sectional view of the present invention；
Fig. 2 is the top view of the present invention；
Fig. 3 is the LP status architecture schematic diagrames of the present invention；
Fig. 4 is the NG status architecture schematic diagrames of the present invention.
Diagram：1st, nut pressure cap, 2, connecting rod, 3, pressing plate, 4, manhole, 5, rectangle inner groovy, 6, pressure cap, 7, cylinder
Portion, 8, through hole, 9, screw mandrel, 10, threaded portion, the 11, first screwed hole, the 12, second screwed hole, 13, circular cushion block, 14, flat recess.
Embodiment
With reference to specific embodiment, the present invention is expanded on further.It should be understood that these embodiments are merely to illustrate the present invention
Rather than limitation the scope of the present invention.In addition, it is to be understood that after the content of the invention lectured has been read, people in the art
Member can make various changes or modifications to the present invention, and these equivalent form of values equally fall within the application appended claims and limited
Scope.
Embodiments of the present invention are related to a kind of natural gas liquefaction and exchange pressure regulator, as Figure 1-4, including nut pressure cap
1st, connecting rod 2 and pressing plate 3, the described upper surface of nut pressure cap 1 middle part are provided with manhole 4 vertically, the lower surface of nut pressure cap 1
Middle part is provided with the first screwed hole 11 vertically, and the first described screwed hole 11 communicates with manhole 4, the first described screwed hole 11
It is connected with the threaded portion 10 of the one end of connecting rod 2 or the threaded portion 10 of the one end of pressing plate 3；
The described inner hollow of connecting rod 2, its one end are provided with the second screwed hole 12, and second screwed hole 12 passes through through hole 8
Communicated with the end face of the threaded portion 10 of connecting rod 2, one end and the phase of pressing plate 3 of the second screwed hole 12 are provided with described connecting rod 2
Even, the one end of pressing plate 3 is provided with screw mandrel 9, and described screw mandrel 9 extend into the second screwed hole 12 and fixed, and described pressing plate 3 is another
End is provided with threaded portion 10.
Described pressing plate 3 is in oblate column, and the one end of pressing plate 3 is provided with circular cushion block 13, described circular cushion block 13 1
End is provided with threaded portion 10.
Described nut pressure cap 1 includes pressure cap 6 and cylindrical portion 7, and the vertical circle that is provided with is led in the middle part of the described upper surface of pressure cap 6
Hole 4, vertically-mounted in the middle part of the lower surface of pressure cap 6 to have a cylindrical portion 7, tapped, cylindrical portion in the side wall of described cylindrical portion 7
The first screwed hole 11 is provided with vertically in the middle part of 7 lower surface, the first described screwed hole 11 communicates with manhole 4.
The described upper surface of pressure cap 6 corresponds to the both sides of manhole 4 and has been arranged symmetrically rectangle inner groovy 5.
The head that described screw mandrel 9 extend into the second screwed hole 12 is provided with flat recess 14.
Embodiment
Pressure regulation bar is made up of connecting rod 2 and pressing plate 3 in device, can be with when the pressure regulation spring force of same specification has deviation
The length of pressure regulation bar is adjusted so as to control the bullet of pressure regulation spring by controlling the depth that screw mandrel 9 is extend into the second screwed hole 12
Power, can also use a kind of pressure regulation spring in the case of the different air pressure that goes out, different flows, change the length of pressure regulation bar to change
Modify tone stage clip.The factory state for the visual identification pressure regulator of manhole 4 that can be arranged by the upper surface of pressure cap 6 is in NG states
Or LP states.LP states are as shown in figure 3, NG states are as shown in Figure 4.
Device be in LP states need adjust pressure regulation bar length when, screwdriver can be stretched from the manhole 4 of pressure cap 6
Enter, be connected through through hole 8 with the flat recess 14 on the head of screw mandrel 9, bit rotary screwdriver control screw mandrel 9 is extend into the second screwed hole 12
Depth adjust the length of pressure regulation bar.
Claims (5)
1. pressure regulator, including nut pressure cap (1), connecting rod (2) and pressing plate (3) are exchanged in a kind of natural gas liquefaction, it is characterised in that：
Manhole (4) is provided with vertically in the middle part of described nut pressure cap (1) upper surface, is opened vertically in the middle part of nut pressure cap (1) lower surface
Have the first screwed hole (11), described the first screwed hole (11) communicates with manhole (4), described the first screwed hole (11) with
The threaded portion (10) of connecting rod (2) one end or the threaded portion (10) of pressing plate (3) one end are connected；
Described connecting rod (2) inner hollow, its one end are provided with the second screwed hole (12), and second screwed hole (12) passes through through hole
(8) end face with the threaded portion (10) of connecting rod (2) is communicated, and the one of the second screwed hole (12) is provided with described connecting rod (2)
End is connected with pressing plate (3), and pressing plate (3) one end is provided with screw mandrel (9), and described screw mandrel (9) extend into the second screwed hole (12)
Interior fixation, described pressing plate (3) other end are provided with threaded portion (10).
2. pressure regulator is exchanged in a kind of natural gas liquefaction according to claim 1, it is characterised in that：Described pressing plate (3) is in
Oblate column, pressing plate (3) one end are provided with circular cushion block (13), and described circular cushion block (13) one end is provided with threaded portion
(10)。
3. pressure regulator is exchanged in a kind of natural gas liquefaction according to claim 1, it is characterised in that：Described nut pressure cap
(1) include pressure cap (6) and cylindrical portion (7), manhole (4), the pressure cap are provided with vertically in the middle part of described pressure cap (6) upper surface
(6) it is vertically-mounted in the middle part of lower surface to have a cylindrical portion (7), tapped, cylindrical portion (7) in the side wall of described cylindrical portion (7)
Lower surface in the middle part of be provided with the first screwed hole (11) vertically, described the first screwed hole (11) communicates with manhole (4).
4. pressure regulator is exchanged in a kind of natural gas liquefaction according to claim 3, it is characterised in that：On described pressure cap (6)
End face corresponds to manhole (4) both sides and has been arranged symmetrically rectangle inner groovy (5).
5. pressure regulator is exchanged in a kind of natural gas liquefaction according to claim 1, it is characterised in that：Described screw mandrel (9) is stretched
Enter to the head of the second screwed hole (12) and be provided with flat recess (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610298482.2A CN105805379B (en) | 2016-05-06 | 2016-05-06 | Pressure regulator is exchanged in a kind of natural gas liquefaction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610298482.2A CN105805379B (en) | 2016-05-06 | 2016-05-06 | Pressure regulator is exchanged in a kind of natural gas liquefaction |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105805379A CN105805379A (en) | 2016-07-27 |
| CN105805379B true CN105805379B (en) | 2018-03-23 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610298482.2A Active CN105805379B (en) | 2016-05-06 | 2016-05-06 | Pressure regulator is exchanged in a kind of natural gas liquefaction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105805379B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108087599A (en) * | 2017-12-07 | 2018-05-29 | 宁波金欧五金制品有限公司 | Pressure regulator is exchanged in a kind of natural gas liquefaction |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB559883A (en) * | 1942-05-07 | 1944-03-09 | Walwin Leroy Davis | Improvement in relief valves |
| US3937250A (en) * | 1974-08-19 | 1976-02-10 | Caterpillar Tractor Co. | Pressure relief adjustment means for check valve |
| US4279271A (en) * | 1979-08-31 | 1981-07-21 | Mac Valves, Inc. | Pressure regulator and flow control valve with pre-exhaust |
| JPS5868558A (en) * | 1981-10-16 | 1983-04-23 | Hitachi Ltd | Control valve for vaporization pressure |
| GB2143621A (en) * | 1983-07-19 | 1985-02-13 | Enfo Grundlagen Forschungs Ag | A pressure regulator |
| DE29503689U1 (en) * | 1995-03-04 | 1995-04-27 | Festo Kg | Pneumatic safety valve |
| JPH08261345A (en) * | 1995-03-24 | 1996-10-11 | Toyota Auto Body Co Ltd | Relief valve |
| DE102006019682A1 (en) * | 2006-04-27 | 2007-10-31 | Trw Automotive Gmbh | Pressure relief valve has flow slow-down channel formed downstream of valve seat between screw bolt and housing, where pressure in channel is adjusted between inner pressure of pressure chamber and ambient pressure, during opening of valve |
| KR100954720B1 (en) * | 2009-11-09 | 2010-04-23 | 주식회사 신흥밸브 | Pressure reducing valve |
| CN205605910U (en) * | 2016-05-06 | 2016-09-28 | 宁波金欧五金制品有限公司 | Natural gas liquefaction exchanges voltage regulator |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7744071B2 (en) * | 2001-06-19 | 2010-06-29 | Mercer Valve Company, Inc. | Safety relief valve having a low blow-down value and spring therefore |
-
2016
- 2016-05-06 CN CN201610298482.2A patent/CN105805379B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB559883A (en) * | 1942-05-07 | 1944-03-09 | Walwin Leroy Davis | Improvement in relief valves |
| US3937250A (en) * | 1974-08-19 | 1976-02-10 | Caterpillar Tractor Co. | Pressure relief adjustment means for check valve |
| US4279271A (en) * | 1979-08-31 | 1981-07-21 | Mac Valves, Inc. | Pressure regulator and flow control valve with pre-exhaust |
| JPS5868558A (en) * | 1981-10-16 | 1983-04-23 | Hitachi Ltd | Control valve for vaporization pressure |
| GB2143621A (en) * | 1983-07-19 | 1985-02-13 | Enfo Grundlagen Forschungs Ag | A pressure regulator |
| DE29503689U1 (en) * | 1995-03-04 | 1995-04-27 | Festo Kg | Pneumatic safety valve |
| JPH08261345A (en) * | 1995-03-24 | 1996-10-11 | Toyota Auto Body Co Ltd | Relief valve |
| DE102006019682A1 (en) * | 2006-04-27 | 2007-10-31 | Trw Automotive Gmbh | Pressure relief valve has flow slow-down channel formed downstream of valve seat between screw bolt and housing, where pressure in channel is adjusted between inner pressure of pressure chamber and ambient pressure, during opening of valve |
| KR100954720B1 (en) * | 2009-11-09 | 2010-04-23 | 주식회사 신흥밸브 | Pressure reducing valve |
| CN205605910U (en) * | 2016-05-06 | 2016-09-28 | 宁波金欧五金制品有限公司 | Natural gas liquefaction exchanges voltage regulator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105805379A (en) | 2016-07-27 |
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