CN116263213A - Pressure gauge pressure relief device - Google Patents
Pressure gauge pressure relief device Download PDFInfo
- Publication number
- CN116263213A CN116263213A CN202111529728.XA CN202111529728A CN116263213A CN 116263213 A CN116263213 A CN 116263213A CN 202111529728 A CN202111529728 A CN 202111529728A CN 116263213 A CN116263213 A CN 116263213A
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- CN
- China
- Prior art keywords
- pressure relief
- pressure
- connecting piece
- pressure gauge
- channel
- 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.)
- Pending
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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
- F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
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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
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/60—Handles
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
- G01L19/06—Means for preventing overload or deleterious influence of the measured medium on the measuring device or vice versa
- G01L19/0663—Flame protection; Flame barriers
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
The invention relates to a pressure gauge pressure relief device which comprises a pressure gauge connecting piece and a pressure relief assembly, wherein the pressure relief assembly is detachably connected with the pressure gauge connecting piece, the pressure gauge connecting piece and the pressure relief assembly are matched for safely relieving pressure of a pressure flow, and a conical screw is arranged in the pressure relief assembly, so that the tightness and the safety are improved.
Description
Technical Field
The invention belongs to the technical field of pressure gauges, and particularly relates to a pressure relief device of a pressure gauge.
Background
At present, a pressure gauge device is installed on a pressure flow, however, most pressure gauge devices are not provided with an emptying device or the emptying device is too complex to need a plurality of pipe fittings, when the pressure gauge is dismounted in the pressure flow without the emptying device, after a pressure gauge control valve is closed, the pressure gauge screw thread is dismounted to finish pressure emptying in a pressure gauge screw thread gap, and thus the following defects and safety problems exist in operation:
1. the operation is carried out under the condition of pressure when the pressure gauge is disassembled, and the safety operation requirement is not met.
2. The method has a certain harm to the disassembly of a high-pressure (more than 1.5 megapascals) process, and the problem that the high pressure hurts people is easily caused by the freezing and blocking phenomenon during the disassembly.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, and provides a pressure gauge pressure relief device, so that an operator can finish the emptying operation under the conditions of safety, rapidness, high efficiency and accordance with a safety operation rule when dismantling a pressure gauge, and meanwhile, the emptying flow is simplified.
The invention solves the technical problems by adopting the following technical scheme:
the pressure gauge pressure relief device comprises a pressure gauge connecting piece and a pressure relief assembly, wherein the pressure relief assembly is detachably connected with the pressure gauge connecting piece, the cooperation of the pressure gauge connecting piece and the pressure relief assembly is used for safely relieving pressure of a pressure flow,
the pressure gauge connecting piece is of a hollow structure, the top end of the pressure gauge connecting piece is provided with a pressure gauge connecting groove, the inner wall of the pressure gauge connecting groove is provided with connecting groove internal threads, the bottom end of the pressure gauge connecting piece is provided with a liquid inlet interface which is of a cylindrical hollow structure, one end of the liquid inlet interface is fixedly connected with the bottom end section of the pressure gauge connecting piece, the outer wall of the liquid inlet interface is provided with liquid inlet interface external threads, the diameters of the pressure gauge connecting groove and the liquid inlet interface are larger than those of the hollow structure of the pressure gauge connecting piece, the hollow structure axes of the pressure gauge connecting groove, the liquid inlet interface and the pressure gauge connecting piece are overlapped and form a circulation space,
one side of the pressure gauge connecting piece is provided with a boss, the outer wall of the boss is provided with a boss external thread, a first channel is arranged between the central position of the boss and the hollow structure of the pressure gauge connecting piece, one end of the first channel opposite to the central position of the boss is communicated with the hollow structure of the pressure gauge connecting piece, the first channel is perpendicular to the axis of the hollow structure of the pressure gauge connecting piece, a second channel is vertically arranged between the outer wall of the pressure gauge connecting piece and the first channel, one end of the second channel is communicated with one side of the first channel opposite to the central position of the boss, the other end of the second channel extends out of the outer wall of the pressure gauge connecting piece, the first channel and the second channel are communicated with the circulation space,
the pressure relief assembly comprises a pressure relief connecting piece, a pressure relief screw rod, a pressure relief connecting rod and a pressure relief hand wheel, wherein the pressure relief connecting rod is in penetrating connection with the central position of the pressure relief connecting piece, one end of the pressure relief connecting rod is connected with one end of the pressure relief screw rod, the other end of the pressure relief connecting rod is connected with the pressure relief hand wheel, the pressure relief connecting piece is in a shape like a door, internal threads of the pressure relief connecting piece are arranged on the inner walls of two sides of the pressure relief connecting piece, the pressure relief assembly is in threaded connection with bosses of the pressure gauge connecting piece through the internal threads of the pressure relief connecting piece, first channel internal threads are arranged on the inner wall of a first channel, the pressure relief screw rod is arranged in the first channel and is in threaded fit with the first channel through the first channel internal threads, and the pressure relief screw rod is used for communicating and closing the second channel and the circulation space;
preferably, a pressure relief stirring rod is fixedly arranged at one end of the pressure relief screw opposite to the pressure relief connecting rod, and the pressure relief stirring rod is used for cleaning impurities in the first channel;
preferably, the pressure relief screw is tapered.
The invention has the advantages and positive effects that:
the pressure gauge pressure relief device comprises the pressure gauge connecting piece and the pressure relief assembly, wherein the pressure relief assembly is detachably connected with the pressure gauge connecting piece, the pressure gauge connecting piece and the pressure relief assembly are matched for safely relieving pressure of a pressure flow, a conical screw is arranged in the pressure relief assembly, the tightness and the safety are improved, a pressure relief stirring rod is arranged on the conical screw, and when daily operation is carried out, impurities between pipelines can be cleaned before the pipelines are communicated, so that high-pressure gas is completely released, the safety of site constructors is ensured, and production accidents are avoided.
Drawings
FIG. 1 is a schematic diagram of the overall connection structure of the pressure gauge pressure relief device of the present invention;
fig. 2 is a right side view of fig. 1.
1, a pressure gauge connecting piece; 2. a liquid inlet port; 3. a pressure gauge connecting groove; 4. a circulation space; 5. a first channel; 6. a second channel; 7. a boss.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The invention provides a pressure gauge pressure relief device, as shown in figures 1 and 2, comprising a pressure gauge connecting piece 1 and a pressure relief component, wherein the pressure relief component is detachably connected with the pressure gauge connecting piece 1, the pressure gauge connecting piece 1 and the pressure relief component are matched for safely relieving pressure in a pressure flow,
the pressure gauge connecting piece 1 is of a hollow structure, the top end of the pressure gauge connecting piece 1 is provided with a pressure gauge connecting groove 3, the inner wall of the pressure gauge connecting groove 3 is provided with connecting groove internal threads, the bottom end of the pressure gauge connecting piece 1 is provided with a liquid inlet port 2, the liquid inlet port 2 is of a cylindrical hollow structure, one end of the liquid inlet port 2 is fixedly connected with the bottom end section of the pressure gauge connecting piece 1, the outer wall of the liquid inlet port 2 is provided with liquid inlet port external threads, the diameters of the pressure gauge connecting groove 3 and the liquid inlet port 2 are larger than the diameter of the hollow structure of the pressure gauge connecting piece 1, the axes of the hollow structures of the pressure gauge connecting groove 3, the liquid inlet port 2 and the pressure gauge connecting piece 1 coincide and form a circulation space 4,
a boss 7 is arranged on one side of the pressure gauge connecting piece 1, a boss external thread is arranged on the outer wall of the boss 7, a first channel 5 is arranged between the central position of the boss 7 and the hollow structure of the pressure gauge connecting piece 1, one end of the first channel 5, which is opposite to the central position of the boss 7, is communicated with the hollow structure of the pressure gauge connecting piece 1, the first channel 5 is perpendicular to the axis of the hollow structure of the pressure gauge connecting piece 1, a second channel 6 is arranged between the outer wall of the pressure gauge connecting piece 1 and the first channel 5 in an axis perpendicular manner, one end of the second channel 6 is communicated with one side of the first channel 5, which is opposite to the central position of the boss 7, the other end of the second channel extends out of the outer wall of the pressure gauge connecting piece 1, the first channel 5 and the second channel 6 are communicated with the circulation space 4,
the pressure relief assembly comprises a pressure relief connecting piece, a pressure relief screw rod, a pressure relief connecting rod and a pressure relief hand wheel, wherein the pressure relief connecting rod (not marked in the figure) is in penetrating connection with the central position of the pressure relief connecting piece (not marked in the figure), one end of the pressure relief connecting rod is connected with one end of the pressure relief screw rod, the other end of the pressure relief connecting rod is connected with the pressure relief hand wheel (not marked in the figure), the pressure relief connecting piece is in a door shape, internal threads of the pressure relief connecting piece are arranged on the inner walls of two sides of the pressure relief connecting piece, the pressure relief assembly is connected with the boss 7 of the pressure gauge connecting piece 1 through the internal threads of the pressure relief connecting piece, the pressure relief screw rod is arranged in the first channel 5 and is in threaded fit with the first channel 5 through the internal threads of the first channel, and the pressure relief screw rod is used for connecting and closing the second channel 6 and the circulation space 4.
When the pressure relief device is used, the pressure relief hand wheel can be rotated to drive the pressure relief screw rod to transversely reciprocate in the first channel 5, so that gas or liquid in the circulation space 4 flows to the second channel 6 through the first channel 5, and the safety emptying is achieved.
In this embodiment, a pressure relief stirring rod (not labeled in the figure) is fixedly disposed at one end of the pressure relief screw opposite to the pressure relief connecting rod, and the pressure relief stirring rod is used for cleaning impurities on the inner wall of the first channel 5 under the drive of the pressure relief screw, so as to realize that the high-pressure gas in the circulation space 4 smoothly flows out from the second channel 6.
In this embodiment, the pressure relief screw is tapered.
Working principle:
in daily work, the pressure relief device is in threaded connection with the pressure gauge and the stop valve respectively through the pressure gauge connecting groove 3 and the liquid inlet connector 2, when the pressure gauge needs to be replaced, the stop valve connected with the liquid inlet connector 2 is closed, the pressure relief hand wheel is rotated, the circulation space 4 is communicated with the second channel 6, and after high-pressure gas is discharged out of the pressure relief device, the operation of disassembling the pressure gauge is finally carried out.
The present invention is not limited to the above-described preferred embodiments, and any structural changes made by any person under the knowledge of the present invention are all within the scope of the present invention, as long as they are the same or similar to the present invention.
The relative steps, numerical expressions and numerical values of the components and steps set forth in these embodiments do not limit the scope of the present invention unless it is specifically stated otherwise.
It will be clear to those skilled in the art that, for convenience and brevity of description, specific working procedures of the above-described system and apparatus may refer to corresponding procedures in the foregoing method embodiments, which are not described herein again.
In view of the foregoing, the present invention is not limited to the above-described embodiments, and those skilled in the art may devise other embodiments that fall within the spirit and scope of the invention.
It should be emphasized that the examples described herein are illustrative rather than limiting, and therefore the invention includes, but is not limited to, the examples described in the detailed description, as other embodiments derived from the technical solutions of the invention by a person skilled in the art are equally within the scope of the invention.
Claims (3)
1. The utility model provides a manometer pressure release device which characterized in that: comprises a pressure gauge connecting piece and a pressure relief assembly, wherein the pressure relief assembly is detachably connected with the pressure gauge connecting piece, the pressure gauge connecting piece and the pressure relief assembly are matched for safely relieving pressure of a pressure flow,
the pressure gauge connecting piece is of a hollow structure, the top end of the pressure gauge connecting piece is provided with a pressure gauge connecting groove, the inner wall of the pressure gauge connecting groove is provided with connecting groove internal threads, the bottom end of the pressure gauge connecting piece is provided with a liquid inlet interface which is of a cylindrical hollow structure, one end of the liquid inlet interface is fixedly connected with the bottom end section of the pressure gauge connecting piece, the outer wall of the liquid inlet interface is provided with liquid inlet interface external threads, the diameters of the pressure gauge connecting groove and the liquid inlet interface are larger than those of the hollow structure of the pressure gauge connecting piece, the hollow structure axes of the pressure gauge connecting groove, the liquid inlet interface and the pressure gauge connecting piece are overlapped and form a circulation space,
one side of the pressure gauge connecting piece is provided with a boss, the outer wall of the boss is provided with a boss external thread, a first channel is arranged between the central position of the boss and the hollow structure of the pressure gauge connecting piece, one end of the first channel opposite to the central position of the boss is communicated with the hollow structure of the pressure gauge connecting piece, the first channel is perpendicular to the axis of the hollow structure of the pressure gauge connecting piece, a second channel is vertically arranged between the outer wall of the pressure gauge connecting piece and the first channel, one end of the second channel is communicated with one side of the first channel opposite to the central position of the boss, the other end of the second channel extends out of the outer wall of the pressure gauge connecting piece, the first channel and the second channel are communicated with the circulation space,
the pressure relief assembly comprises a pressure relief connecting piece, a pressure relief screw rod, a pressure relief connecting rod and a pressure relief hand wheel, wherein the pressure relief connecting rod is in penetrating connection with the central position of the pressure relief connecting piece, one end of the pressure relief connecting rod is connected with one end of the pressure relief screw rod, the other end of the pressure relief connecting rod is connected with the pressure relief hand wheel, the pressure relief connecting piece is in a door shape, pressure relief connecting piece internal threads are arranged on the inner walls of two sides of the pressure relief connecting piece, the pressure relief assembly is connected with boss threads of the pressure gauge connecting piece through the pressure relief connecting piece internal threads, first channel internal threads are arranged on the inner wall of a first channel, the pressure relief screw rod is arranged in the first channel and is in threaded fit with the first channel internal threads, and the pressure relief screw rod is used for connecting and closing the second channel and the circulating space.
2. The pressure gauge pressure relief device of claim 1, wherein: the pressure relief screw rod relatively with the fixed pressure relief puddler that is provided with of one end of pressure relief connecting rod, the pressure relief puddler is used for the clearance the inside impurity of first passageway.
3. The pressure gauge pressure relief device of claim 2, wherein the pressure relief screw is tapered.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111529728.XA CN116263213A (en) | 2021-12-14 | 2021-12-14 | Pressure gauge pressure relief device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111529728.XA CN116263213A (en) | 2021-12-14 | 2021-12-14 | Pressure gauge pressure relief device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116263213A true CN116263213A (en) | 2023-06-16 |
Family
ID=86722327
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111529728.XA Pending CN116263213A (en) | 2021-12-14 | 2021-12-14 | Pressure gauge pressure relief device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116263213A (en) |
-
2021
- 2021-12-14 CN CN202111529728.XA patent/CN116263213A/en active Pending
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