CN105805379A - Natural gas liquefaction exchange pressure regulator - Google Patents
Natural gas liquefaction exchange pressure regulator Download PDFInfo
- Publication number
- CN105805379A CN105805379A CN201610298482.2A CN201610298482A CN105805379A CN 105805379 A CN105805379 A CN 105805379A CN 201610298482 A CN201610298482 A CN 201610298482A CN 105805379 A CN105805379 A CN 105805379A
- Authority
- CN
- China
- Prior art keywords
- screwed hole
- pressing plate
- natural gas
- connecting rod
- pressure
- 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.)
- Granted
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Classifications
-
- 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 invention relates to a natural gas liquefaction exchange pressure regulator which comprises a nut pressing cap (1), a connecting rod (2) and a pressing plate (3), wherein a circular through hole (4) is vertically formed in the middle of the upper end surface of the nut pressing cap (1); and a first threaded hole (11) is vertically formed in the middle of the lower end surface of the nut pressing cap (1), communicates with the circular through hole (4), and connected with a threaded part I (10) at one end of the connecting rod (2) or a threaded part II (10) at one end of the pressing plate (3). A pressure regulating rod of the natural gas liquefaction exchange pressure regulator provided by the invention is composed of the connecting rod and the pressing plate; when pressure regulating springs of the same specification are subjected to elasticity deviation, the elasticity of the pressure regulating springs can be controlled by adjusting the length of the pressure regulating rod; and accordingly, the pressure regulating springs of the same specification can be used under the circumstance of different air outlet pressure and different flow.
Description
Technical field
The present invention relates to pressure regulator technical field, particularly relate to a kind of natural gas liquefaction and exchange pressure regulator.
Background technology
Currently used natural gas liquefaction exchange pressure regulator is fixing due to pressure regulation pole length, and when pressure regulation spring force has slight variation, LP goes out air pressure may exceed the margin of tolerance.And different go out air pressure, to use different pressure regulation springs when different flow, can give and produce and management be made troubles.In production and processing, it is impossible to directly judge that natural gas liquefaction is exchanged pressure regulator and is in NG state or LP state, operation need to be increased and differentiate, considerably increase cost.
Summary of the invention
The technical problem to be solved is to provide a kind of natural gas liquefaction and exchanges pressure regulator, in this device, pressure regulation bar 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 regulated to control the elastic force of pressure regulation spring, at the different air pressure that goes out, when different flow, a kind of pressure regulation spring can also be used.
The technical solution adopted for the present invention to solve the technical problems is: provide a kind of natural gas liquefaction to exchange pressure regulator, including nut pressure cap, connecting rod and pressing plate, manhole is vertically had in the middle part of described nut pressure cap upper surface, the first screwed hole is vertically had in the middle part of this nut pressure cap lower surface, the first described screwed hole communicates with manhole, and the first described screwed hole 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 has the second screwed hole, this second screwed hole is communicated by the end face of through hole with the threaded portion of connecting rod, the one end having the second screwed hole in described connecting rod is connected with pressing plate, this pressing plate one end is provided with screw mandrel, it is fixing that described screw mandrel extend in the second screwed hole, and the described pressing plate other end is provided with threaded portion.
Supplementing as to the one of technical solutions according to the invention, described pressing plate be oblate column, and this pressing plate one end is provided with circle cushion block, and described circular cushion block one end is provided with threaded portion.
Supplement as to the one of technical solutions according to the invention, described nut pressure cap includes pressure cap and cylindrical portion, manhole is vertically had in the middle part of described pressure cap upper surface, vertically-mounted in the middle part of this pressure cap lower surface have cylindrical portion, on the sidewall of described cylindrical portion tapped, vertically having the first screwed hole in the middle part of the lower surface of this cylindrical portion, the first described screwed hole communicates with manhole.
Supplementing as to the one of technical solutions according to the invention, described pressure cap upper surface correspondence manhole lateral symmetry is provided with rectangle inner groovy.
Supplementing as to the one of technical solutions according to the invention, described screw mandrel extend into the head of the second screwed hole and has flat recess.When being in the length that LP state needs adjustment pressure regulation bar, it is possible to being stretched into from the manhole of pressure cap by screwdriver, the flat recess through through hole with screw mandrel head is connected, bit rotary screwdriver controls screw mandrel and extend into the degree of depth in the second screwed hole to regulate the length of pressure regulation bar.
Beneficial effect
The present invention relates to a kind of natural gas liquefaction and exchange pressure regulator, in this device, pressure regulation bar 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 regulated to control the elastic force of pressure regulation spring, air pressure is gone out different, can also using a kind of pressure regulation spring when different flow, the length changing pressure regulation bar changes pressure regulation spring.NG state or LP state can be in by the factory state of the manhole visual identification pressure regulator that pressure cap upper surface is arranged.When device is in the length that LP state needs adjustment pressure regulation bar, screwdriver can be stretched into from the manhole of pressure cap, being connected through through hole with the flat recess of screw mandrel head, bit rotary screwdriver controls screw mandrel and extend into the degree of depth in the second screwed hole to regulate the length of pressure regulation bar.
Accompanying drawing explanation
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 diagram of the present invention；
Fig. 4 is the NG status architecture schematic diagram of the present invention.
Diagram: 1, nut pressure cap, 2, connecting rod, 3, pressing plate, 4, manhole, 5, rectangle inner groovy, 6, pressure cap, 7, cylindrical portion, 8, through hole, 9, screw mandrel, 10, threaded portion, 11, the first screwed hole, the 12, second screwed hole, 13, circular cushion block, 14, flat recess.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is expanded on further.Should be understood that these embodiments are merely to illustrate the present invention rather than restriction the scope of the present invention.In addition, it is to be understood that after having read the content that the present invention lectures, the present invention can be made various changes or modifications by those skilled in the art, and these equivalent form of values fall within the application appended claims limited range equally.
Embodiments of the present invention relate to a kind of natural gas liquefaction and exchange pressure regulator, as Figure 1-4, including nut pressure cap 1, connecting rod 2 and pressing plate 3, manhole 4 is vertically had in the middle part of described nut pressure cap 1 upper surface, the first screwed hole 11 is vertically had in the middle part of this nut pressure cap 1 lower surface, the first described screwed hole 11 communicates with manhole 4, and the first described 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；
Described connecting rod 2 inner hollow, its one end has the second screwed hole 12, this second screwed hole 12 is communicated by the end face of through hole 8 with the threaded portion 10 of connecting rod 2, the one end having the second screwed hole 12 in described connecting rod 2 is connected with pressing plate 3, this pressing plate 3 one end is provided with screw mandrel 9, described screw mandrel 9 extend in the second screwed hole 12 fixing, and described pressing plate 3 other end is provided with threaded portion 10.
Described pressing plate 3 is in oblate column, and this pressing plate 3 one end is provided with circular cushion block 13, and described circular cushion block 13 one end is provided with threaded portion 10.
Described nut pressure cap 1 includes pressure cap 6 and cylindrical portion 7, manhole 4 is vertically had in the middle part of described pressure cap 6 upper surface, vertically-mounted in the middle part of this pressure cap 6 lower surface have cylindrical portion 7, on the sidewall of described cylindrical portion 7 tapped, vertically having the first screwed hole 11 in the middle part of the lower surface of this cylindrical portion 7, the first described screwed hole 11 communicates with manhole 4.
Described pressure cap 6 upper surface correspondence manhole 4 lateral symmetry is provided with rectangle inner groovy 5.
Described screw mandrel 9 extend into the head of the second screwed hole 12 and has flat recess 14.
Embodiment
In device, pressure regulation bar is made up of connecting rod 2 and pressing plate 3, when the pressure regulation spring force of same specification has deviation, the degree of depth that can extend in the second screwed hole 12 by controlling screw mandrel 9 regulates the length of pressure regulation bar thus controlling the elastic force of pressure regulation spring, air pressure is gone out different, can also using a kind of pressure regulation spring when different flow, the length changing pressure regulation bar changes pressure regulation spring.NG state or LP state can be in by the factory state of the manhole 4 visual identification pressure regulator that pressure cap 6 upper surface is arranged.LP state as it is shown on figure 3, NG state as shown in Figure 4.
When device is in the length that LP state needs adjustment pressure regulation bar, screwdriver can be stretched into from the manhole 4 of pressure cap 6, being connected through through hole 8 with the flat recess 14 of screw mandrel 9 head, bit rotary screwdriver controls screw mandrel 9 and extend into the degree of depth in the second screwed hole 12 to regulate the length of pressure regulation bar.
Claims (5)
1. pressure regulator is exchanged in a natural gas liquefaction, including nut pressure cap (1), connecting rod (2) and pressing plate (3), it is characterized in that: in the middle part of described nut pressure cap (1) upper surface, vertically have manhole (4), the first screwed hole (11) is vertically had in the middle part of this nut pressure cap (1) lower surface, 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；
Described connecting rod (2) inner hollow, its one end has the second screwed hole (12), this second screwed hole (12) is communicated by the end face of through hole (8) with the threaded portion (10) of connecting rod (2), the one end having the second screwed hole (12) in described connecting rod (2) is connected with pressing plate (3), this pressing plate (3) one end is provided with screw mandrel (9), it is fixing that described screw mandrel (9) extend in the second screwed hole (12), and described pressing plate (3) other end is provided with threaded portion (10).
2. pressure regulator is exchanged in a kind of natural gas liquefaction according to claim 1, it is characterized in that: described pressing plate (3) is in oblate column, this pressing plate (3) one end is 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 characterized in that: described nut pressure cap (1) includes pressure cap (6) and cylindrical portion (7), manhole (4) is vertically had in the middle part of described pressure cap (6) upper surface, vertically-mounted in the middle part of this pressure cap (6) lower surface have cylindrical portion (7), on the sidewall of described cylindrical portion (7) tapped, vertically having the first screwed hole (11) in the middle part of the lower surface of this cylindrical portion (7), 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: described pressure cap (6) upper surface correspondence manhole (4) lateral symmetry is provided with 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) extend into the head of the second screwed hole (12) and has 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 true CN105805379A (en) | 2016-07-27 |
| CN105805379B CN105805379B (en) | 2018-03-23 |
Family
ID=56456514
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) |
Cited By (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 (11)
| 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, 73734 Esslingen | Pneumatic safety valve |
| JPH08261345A (en) * | 1995-03-24 | 1996-10-11 | Toyota Auto Body Co Ltd | Relief valve |
| US20060090796A1 (en) * | 2001-06-19 | 2006-05-04 | Mercer Valve Company, Inc. | Safety relief valve having a low blow-down value and spring therefore |
| 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 |
-
2016
- 2016-05-06 CN CN201610298482.2A patent/CN105805379B/en active Active
Patent Citations (11)
| 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, 73734 Esslingen | Pneumatic safety valve |
| JPH08261345A (en) * | 1995-03-24 | 1996-10-11 | Toyota Auto Body Co Ltd | Relief valve |
| US20060090796A1 (en) * | 2001-06-19 | 2006-05-04 | Mercer Valve Company, Inc. | Safety relief valve having a low blow-down value and spring therefore |
| 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 |
Cited By (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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105805379B (en) | 2018-03-23 |
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