CN109540377A - A kind of pressure gauge with pressure relief device - Google Patents
A kind of pressure gauge with pressure relief device Download PDFInfo
- Publication number
- CN109540377A CN109540377A CN201910010633.3A CN201910010633A CN109540377A CN 109540377 A CN109540377 A CN 109540377A CN 201910010633 A CN201910010633 A CN 201910010633A CN 109540377 A CN109540377 A CN 109540377A
- Authority
- CN
- China
- Prior art keywords
- pressure
- junction block
- relief device
- watchcase
- pressure relief
- 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
Links
- 238000005259 measurement Methods 0.000 claims abstract description 30
- 239000011521 glass Substances 0.000 claims abstract description 11
- 230000001681 protective effect Effects 0.000 claims description 12
- 230000007613 environmental effect Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000013467 fragmentation Methods 0.000 description 1
- 238000006062 fragmentation reaction Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- G01L19/0618—Overload protection
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
The invention discloses a kind of pressure gauges with pressure relief device, including gauge outfit, the gauge outfit includes watchcase, glass surface, pointer, scale, and the watchcase is the cylindrical shell-like structure of front end opening, the glass surface is set to the watchcase front end face, and the pointer, scale are placed in the watchcase inner cavity；Component is measured, the measurement component includes measurement junction block, bourdon tube, and described bourdon tube one end and measurement junction block connect, and the other end is sequentially connected by machine core and the pointer；Pressure relief device, the pressure relief device include the guide post, gasket and the relief hole being provided on measurement junction block being placed in the measurement junction block, are arranged with spring on the guide post.The maximum pressure of bearing of pressable power table carries out security settings, when environmental pressure to be measured bears pressure more than the maximum that pressure gauge is previously set, will do it releasing pressure automatically, ensure using safe, it avoids that pressure gauge Decrepitation Phenomena occurs, safety is good, it can be ensured that the safety of user.
Description
Technical field
The present invention relates to pressure gauge apparatus field, in particular to a kind of pressure gauge with pressure relief device.
Background technique
Pressure gauge refers to the instrument for measuring and indicating using elastic element as sensing element higher than environmental pressure, using extremely
Commonly, it almost spreads all industrial flow and scientific research field.In heat distribution pipe network, oil gas transmission, water and air supply system, vehicle
The fields such as maintenance factory shop are seen everywhere.Especially in industrial stokehold and technology measurement process, due to mechanical compression
The elastic sensing element of table has very high mechanical strength and the characteristics such as convenient for production so that mechanical compression table obtain it is more next
More it is widely applied.
Pressure gauge is made of pilot element, gear drive element, registration device and shell, in use, pressure gauge
Can because its bear pressure beyond nominal parameter and explode, the impact force for generation of exploding will lead to part four dissipate and table glass
The fragmentation of glass, to cause safety accident.
Summary of the invention
Regarding the issue above, the present invention provides a kind of pressure gauge with pressure relief device, it can be when pressure be excessive
Play the role of decompression protection.
To achieve the above object, the method that the present invention uses is: a kind of pressure gauge with pressure relief device, including gauge outfit, institute
Stating gauge outfit includes watchcase, glass surface, pointer, scale, and the watchcase is the cylindrical shell-like structure of front end opening, the glass surface
It is set to the watchcase front end face, the pointer, scale are placed in the watchcase inner cavity；Measure component, the measurement component packet
Measurement junction block, bourdon tube are included, described bourdon tube one end and measurement junction block connect, and the other end passes through machine core and the finger
Needle transmission connection；Pressure relief device, the pressure relief device include the guide post being placed in the measurement junction block, gasket and are provided with
The relief hole on junction block is measured, is arranged with spring on the guide post.
As an improvement of the present invention, it is additionally provided with protective cover on the measurement junction block, the protective cover connects with measurement
Head tube is integrally formed.
As an improvement of the present invention, the protective cover is bonded at arc-shaped and with the watchcase outer rim.
As an improvement of the present invention, the measurement connector inside pipe wall offers connection screw thread close to lower end surface part.
As an improvement of the present invention, the connection screw thread is trapezoidal thread.
The utility model has the advantages that
1, the maximum pressure of bearing of a kind of pressure gauge with pressure relief device of the present invention, pressable power table carries out safe set
It is fixed, when environmental pressure to be measured is more than the maximum receiving pressure that pressure gauge is previously set, it will do it releasing pressure automatically, it is ensured that use peace
Entirely, it avoids that pressure gauge Decrepitation Phenomena occurs, safety is good, it can be ensured that the safety of user；
2, protective cover is fitted on watchcase, in this way when measuring junction block by lateral shearing force, between protective cover and watchcase
Reaction force can also be provided, measurement junction block is avoided to be broken due to by radial shear power.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention.
Each component in figure are as follows:
1- gauge outfit, 2- watchcase, 3- glass surface, 4- pointer, 5- scale, 6- measurement junction block, 7- bourdon tube, 8- machine core, 9- guide post,
10- gasket, 11- relief hole, 12- spring, 13- protective cover, 14- connection screw thread.
Specific embodiment
Below with reference to embodiment and referring to attached drawing, the invention will be further described, it should be understood that following specific embodiments are only
For illustrating the present invention rather than limiting the scope of the invention.It should be noted that word " preceding " used in the following description,
" rear ", "left", "right", "up" and "down" refer to that the direction in width figure, word "inner" and "outside" refer respectively to direction or remote
Direction from geometric center of specific component.
As described in Figure, the present invention provides a kind of pressure gauge with pressure relief device, including gauge outfit 1, and the gauge outfit includes watchcase
2, glass surface 3, pointer 4, scale 5, the watchcase 2 are the cylindrical shell-like structure of front end opening, and the glass surface 3 is set to institute
2 front end face of watchcase is stated, the pointer 4, scale 5 are placed in 2 inner cavity of watchcase；Component is measured, the measurement component includes surveying
Measure junction block 6, bourdon tube 7, described 7 one end of bourdon tube and measurement junction block 6 connect, the other end by machine core 8 with it is described
Pointer 4 is sequentially connected；Pressure relief device, the pressure relief device include the guide post 9 being placed in the measurement junction block 6, gasket 10
And it is provided with the relief hole 11 on measurement junction block 6, spring 12 is arranged on the guide post 9.
As another embodiment of the invention, protective cover 13, the protective cover 13 are additionally provided on the measurement junction block 6
It is integrally formed with measurement junction block 6.
As another embodiment of the invention, the protective cover 13 is bonded at arc-shaped and with 2 outer rim of watchcase.
As another embodiment of the invention, 6 inner wall of measurement junction block offers connection close to lower end surface part
Screw thread 14.
As another embodiment of the invention, the connection screw thread 14 is trapezoidal thread.
The working principle of the invention: this pressure gauge when in use, when measurement environment pressure be more than pressure gauge maximum receiving
When pressure, gasket moves up in the case where the air pressure of environment to be measured pushes and is more than relief hole, and pressure will be from relief hole at this time
Place releases, and keeps away pressure gauge explosion, and gasket resets after pressure reduces.
The maximum pressure of bearing of a kind of pressure gauge with pressure relief device provided by the invention, pressable power table carries out safe set
It is fixed, when environmental pressure to be measured is more than the maximum receiving pressure that pressure gauge is previously set, it will do it releasing pressure automatically, it is ensured that use peace
Entirely, it avoids that pressure gauge Decrepitation Phenomena occurs, safety is good, it can be ensured that the safety of user.
The above described is only a preferred embodiment of the present invention, being not the limit for making any other form to the present invention
System, and made any modification or equivalent variations according to the technical essence of the invention, still fall within present invention model claimed
It encloses.
Claims (5)
1. a kind of pressure gauge with pressure relief device, it is characterised in that: including
Gauge outfit (1), the gauge outfit include watchcase (2), glass surface (3), pointer (4), scale (5), and the watchcase (2) is spacious for front end
The cylindrical shell-like structure of mouth, the glass surface (3) are set to the watchcase (2) front end face, and the pointer (4), scale (5) are set
In the watchcase (2) inner cavity；
Component is measured, the measurement component includes measurement junction block (6), bourdon tube (7), described bourdon tube (7) one end and measurement
Junction block (6) connects, and the other end is sequentially connected by machine core (8) and the pointer (4)；
Pressure relief device, the pressure relief device include the guide post (9) being placed in measurement junction block (6), gasket (10) and open
It is located at the relief hole (11) measured on junction block (6), is arranged with spring (12) on the guide post (9).
2. a kind of pressure gauge with pressure relief device according to claim 1, it is characterised in that: the measurement junction block (6)
On be additionally provided with protective cover (13), the protective cover (13) and measurement junction block (6) be integrally formed.
3. a kind of pressure gauge with pressure relief device according to claim 2, it is characterised in that: protective cover (13) Cheng Yuan
It arcuation and is bonded with the watchcase (2) outer rim.
4. a kind of pressure gauge with pressure relief device according to claim 1, it is characterised in that: the measurement junction block (6)
Inner wall offers connection screw thread (14) close to lower end surface part.
5. a kind of pressure gauge with pressure relief device according to claim 4, it is characterised in that: the connection screw thread (14) is
Trapezoidal thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910010633.3A CN109540377A (en) | 2019-01-07 | 2019-01-07 | A kind of pressure gauge with pressure relief device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910010633.3A CN109540377A (en) | 2019-01-07 | 2019-01-07 | A kind of pressure gauge with pressure relief device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109540377A true CN109540377A (en) | 2019-03-29 |
Family
ID=65834148
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910010633.3A Pending CN109540377A (en) | 2019-01-07 | 2019-01-07 | A kind of pressure gauge with pressure relief device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109540377A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111504550A (en) * | 2020-04-30 | 2020-08-07 | 曾彩霞 | Anti-falling pressure instrument |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050016284A1 (en) * | 2001-09-07 | 2005-01-27 | Ernst Bernhard | Pressure indicator |
| CN2793478Y (en) * | 2005-05-13 | 2006-07-05 | 姚玉虎 | Pressure gage style atmospheric relief valve |
| CN201177916Y (en) * | 2008-04-01 | 2009-01-07 | 廖云开 | Globe |
| CN104747805A (en) * | 2015-02-03 | 2015-07-01 | 成都大漠石油机械有限公司 | Fixing rack for supporting oil pipeline |
| CN104807587A (en) * | 2015-04-29 | 2015-07-29 | 安徽江淮汽车股份有限公司 | Automobile gear-shifting force measuring device |
| CN105422995A (en) * | 2015-12-14 | 2016-03-23 | 无锡市永亿精密铸造有限公司 | Petroleum pipeline support |
| CN106704772A (en) * | 2017-03-03 | 2017-05-24 | 全南县彩美达科技发展有限公司 | Tablet personal computer support |
| CN206450174U (en) * | 2017-01-11 | 2017-08-29 | 平顶山市倍优特电气有限公司 | It is a kind of to be used to prevent the monitoring system of GIS bus bar canister drawing cracks |
| CN209197981U (en) * | 2019-01-07 | 2019-08-02 | 安徽天康(集团)股份有限公司 | A kind of pressure gauge with pressure relief device |
-
2019
- 2019-01-07 CN CN201910010633.3A patent/CN109540377A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050016284A1 (en) * | 2001-09-07 | 2005-01-27 | Ernst Bernhard | Pressure indicator |
| CN2793478Y (en) * | 2005-05-13 | 2006-07-05 | 姚玉虎 | Pressure gage style atmospheric relief valve |
| CN201177916Y (en) * | 2008-04-01 | 2009-01-07 | 廖云开 | Globe |
| CN104747805A (en) * | 2015-02-03 | 2015-07-01 | 成都大漠石油机械有限公司 | Fixing rack for supporting oil pipeline |
| CN104807587A (en) * | 2015-04-29 | 2015-07-29 | 安徽江淮汽车股份有限公司 | Automobile gear-shifting force measuring device |
| CN105422995A (en) * | 2015-12-14 | 2016-03-23 | 无锡市永亿精密铸造有限公司 | Petroleum pipeline support |
| CN206450174U (en) * | 2017-01-11 | 2017-08-29 | 平顶山市倍优特电气有限公司 | It is a kind of to be used to prevent the monitoring system of GIS bus bar canister drawing cracks |
| CN106704772A (en) * | 2017-03-03 | 2017-05-24 | 全南县彩美达科技发展有限公司 | Tablet personal computer support |
| CN209197981U (en) * | 2019-01-07 | 2019-08-02 | 安徽天康(集团)股份有限公司 | A kind of pressure gauge with pressure relief device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111504550A (en) * | 2020-04-30 | 2020-08-07 | 曾彩霞 | Anti-falling pressure instrument |
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