CN106092432B - A kind of pressure gauge that drag size is automatically adjusted according to velocity of medium - Google Patents
A kind of pressure gauge that drag size is automatically adjusted according to velocity of medium Download PDFInfo
- Publication number
- CN106092432B CN106092432B CN201610576380.2A CN201610576380A CN106092432B CN 106092432 B CN106092432 B CN 106092432B CN 201610576380 A CN201610576380 A CN 201610576380A CN 106092432 B CN106092432 B CN 106092432B
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- China
- Prior art keywords
- medium
- velocity
- pressure gauge
- rotary shaft
- bottom plate
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Classifications
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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
-
- 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
Abstract
The present invention proposes a kind of pressure gauge that drag size is automatically adjusted according to velocity of medium, including housing, mounting neck, bourdon tube, pointer and transmission mechanism；Mounting neck includes mounting bracket, bottom plate, filter mantle, mozzle, liquid reserve tank, rotary shaft, the first blade group and the second blade group, mounting bracket is provided with water conservancy diversion through hole, first blade group includes multiple first blades, second blade group includes multiple second blades, bourdon tube is arranged on housing, the end of water conservancy diversion through hole second is connected with bourdon tube, and pointer may be rotatably mounted on housing, and bourdon tube is connected by transmission mechanism with pointer.The present invention is easy to use, effectively increases the accuracy of pressure detecting of the present invention.
Description
Technical field
The present invention relates to technology of instrument and meter field, and in particular to a kind of to automatically adjust drag size according to velocity of medium
Pressure gauge.
Background technology
Pressure gauge refers to using flexible member as sensing element, measure and indicate the instrument higher than environmental pressure, using extremely
Generally, it is almost throughout 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.During pressure gauge use, it can be waited and led by reasons such as medium moment superpressure impacts
Cause pointer to shift, influence the precise degrees of pressure gauge detection, and pressure gauge also has impurity accumulation and influences pressure gauge
The possibility of detection.
The content of the invention
Based on technical problem existing for background technology, the present invention proposes one kind, and according to velocity of medium to automatically adjust resistance big
Small pressure gauge.
A kind of pressure gauge that drag size is automatically adjusted according to velocity of medium proposed by the present invention, including housing, mounting neck,
Bourdon tube, pointer and transmission mechanism；
Mounting neck includes mounting bracket, bottom plate, filter mantle, mozzle, liquid reserve tank, rotary shaft, the first blade group and the second leaf
Piece group, mounting bracket are arranged on housing, and mounting bracket is provided with water conservancy diversion through hole, and bottom plate corresponds to the end position of water conservancy diversion through hole first and is arranged on
On mounting bracket, filter mantle is arranged on bottom plate, and in water conservancy diversion through hole, one end of mozzle is extended to the over filter bowl through bottom plate
Interior, liquid reserve tank is arranged on bottom plate, and in filter mantle, rotary shaft may be rotatably mounted on liquid reserve tank, one end of rotary shaft
Through water conservancy diversion tube wall, the first blade group includes multiple first blades, and the first blade is respectively mounted on the rotating shaft, and is located at liquid storage
In case, the first length of blade direction is rotates Axial and radial, and the first blade is circumferentially uniformly distributed along rotary shaft, and the second blade group includes
Multiple second blades, the second blade are respectively mounted on the rotating shaft, and in mozzle, the second length of blade direction is rotary shaft
Radially, the second blade is circumferentially uniformly distributed along rotary shaft；
Bourdon tube is arranged on housing, and the end of water conservancy diversion through hole second connects with bourdon tube, and pointer may be rotatably mounted on housing,
Bourdon tube is connected by transmission mechanism with pointer.
Preferably, impurity-discharging pipe is installed, the position that impurity-discharging pipe corresponds to filter mantle connects with water conservancy diversion through hole, impurity-discharging pipe on bottom plate
On at least one eduction valve is installed.
Preferably, eduction valve is provided with two.
Preferably, part transparent shape of the impurity-discharging pipe between two eduction valves.
Preferably, collection miscellaneous funnel is installed on bottom plate, and in opening, collects miscellaneous funnel interior bone cross-sectional area
Gradually increase along close to the direction of bottom plate, collect miscellaneous funnel and connected with impurity-discharging pipe, collect edge of the miscellaneous funnel away from bottom plate side and
Filter mantle leans.
Preferably, mozzle is tilted is provided with cutoff board, and plane where cutoff board is parallel to rotary shaft axial direction.
Preferably, water conservancy diversion through hole includes the first diversion section and the second diversion section, and it is remote that the second diversion section is located at the first diversion section
From the side of bourdon tube, the first diversion section cross-sectional area is gradually reduced along close to the direction of bourdon tube, and filter mantle is positioned at the
In two diversion sections.
Preferably, multiple flow blocking posts are installed in corresponding first diversion section of mounting bracket.
Preferably, mounting neck also includes helical spring, and the both ends of helical spring are connected with filter mantle.
The present invention fills thick liquid in liquid reserve tank when using, medium is entered in water conservancy diversion through hole by mozzle, medium
The second blade is promoted, the second blade drives the first blade to rotate by rotary shaft, and rotation rotating speed is faster, and the second blade is in liquid storage
The resistance being subject in case is bigger, is effectively increased medium energy consumption, reduces influence of the medium instantaneous pressure change to the present invention, and medium exists
Filtered in water conservancy diversion through hole by filter mantle, effectively reduce influence of the impurity to Detection results of the present invention.The present invention is easy to use, has
Effect improves the accuracy of pressure detecting of the present invention.
Brief description of the drawings
Fig. 1 is a kind of pressure meter structure schematic diagram that drag size is automatically adjusted according to velocity of medium proposed by the present invention.
Embodiment
Shown in reference picture 1, a kind of pressure gauge that drag size is automatically adjusted according to velocity of medium proposed by the present invention, including
Housing 1, mounting neck, bourdon tube 3, pointer 4 and transmission mechanism 5；
Mounting neck includes mounting bracket 21, bottom plate 22, filter mantle 23, mozzle 24, liquid reserve tank 25, rotary shaft 26, the first leaf
Piece group 27, the second blade group 28 and helical spring 29, mounting bracket 21 are arranged on housing 1, and mounting bracket 21 is provided with water conservancy diversion through hole,
The corresponding end position of water conservancy diversion through hole first of bottom plate 22 is arranged on mounting bracket 21, and filter mantle 23 is arranged on bottom plate 22, and is located at and is led
In opening, one end of mozzle 24 is extended to the in filter bowl 23 through bottom plate 22, and liquid reserve tank 25 is arranged on bottom plate 22, and position
In in filter mantle 23, rotary shaft 26 may be rotatably mounted on liquid reserve tank 25, and one end of rotary shaft 26 passes through the tube wall of mozzle 24, the
One blade group 27 includes multiple first blades, and the first blade is installed in rotary shaft 26, and in liquid reserve tank 25, the first leaf
Leaf length direction is the radial direction of rotary shaft 26, and the first blade is uniformly distributed along rotary shaft 26 is circumferential, and the second blade group 28 includes multiple
Second blade, the second blade are installed in rotary shaft 26, and in mozzle 24, the second length of blade direction is rotary shaft
26 radially, and the second blade is uniformly distributed along rotary shaft 26 is circumferential；
Bourdon tube 3 is arranged on housing 1, and the end of water conservancy diversion through hole second connects with bourdon tube 3, and pointer 4 may be rotatably mounted at shell
On body 1, bourdon tube 3 is connected by transmission mechanism 5 with pointer.
The present invention fills thick liquid in liquid reserve tank 25 when using, medium is entered in water conservancy diversion through hole by mozzle 24,
Medium promotes the second blade, and the second blade drives the first blade to rotate by rotary shaft 26, and the rotating speed of rotary shaft 26 is faster, the second leaf
The resistance that piece is subject in liquid reserve tank 25 is bigger, is effectively increased medium energy consumption, reduces the change of medium instantaneous pressure to the present invention's
Influence, medium is filtered in water conservancy diversion through hole by filter mantle 23, effectively reduces influence of the impurity to Detection results of the present invention.
In present embodiment, impurity-discharging pipe 221 is installed, the position of the corresponding filter mantle 23 of impurity-discharging pipe 221 is with leading on bottom plate 22
Opening connects, and is provided with two eduction valves on impurity-discharging pipe 221, can prevent medium from revealing by eduction valve, two eduction valves
It can realize and impurities removal is carried out in the case where not changing medium pressure, and the effective loss for reducing medium, impurity-discharging pipe 221 are located at
The transparent shape in part between two eduction valves, it is easy to user to observe the content of impurity between two eduction valves.
In present embodiment, collection miscellaneous funnel 222 is installed, and in opening 211, collect miscellaneous funnel 222 on bottom plate 22
Interior bone cross-sectional area gradually increases along the direction close to bottom plate 22, collects miscellaneous funnel 222 and is connected with impurity-discharging pipe 221, collects
Edge of the miscellaneous funnel 222 away from the side of bottom plate 22 leans with filter mantle 23, is easy to impurity to enter impurity-discharging pipe 221.
In present embodiment, mozzle 24 is tilted to be provided with cutoff board 241, and the place plane of cutoff board 241 is parallel to turning
Moving axis 26 axially, is oriented to medium, is easy to the first blade smoothly to drive rotary shaft 26 to rotate.
In present embodiment, water conservancy diversion through hole includes the first diversion section 211 and the second diversion section 212, the second diversion section 212
In the first side of the diversion section 211 away from bourdon tube 3, the cross-sectional area of the first diversion section 211 is along close to the direction of bourdon tube 3
Be gradually reduced, filter mantle 23 is located in the second diversion section 212, be provided with corresponding first diversion section 211 of mounting bracket 21 it is multiple every
Fluidization tower, further reduce influence of the medium pressure suddenly change to the present invention.
In present embodiment, mounting neck also includes helical spring 29, and the both ends of helical spring 29 are connected with filter mantle 23,
Medium drives helical spring 29 to vibrate, and the vibration of helical spring 29 can reduce possibility of the impurity absorption on filter mantle 23.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art the invention discloses technical scope in, technique according to the invention scheme and its
Inventive concept is subject to equivalent substitution or change, should all be included within the scope of the present invention.
Claims (9)
- A kind of 1. pressure gauge that drag size is automatically adjusted according to velocity of medium, it is characterised in that：Including housing（1）, mounting neck, Bourdon tube（3）, pointer（4）And transmission mechanism（5）；Mounting neck includes mounting bracket（21）, bottom plate（22）, filter mantle（23）, mozzle（24）, liquid reserve tank（25）, rotary shaft （26）, the first blade group（27）With the second blade group（28）, mounting bracket（21）Installed in housing（1）On, mounting bracket（21）On set There are water conservancy diversion through hole, bottom plate（22）Corresponding the first end position of water conservancy diversion through hole is arranged on mounting bracket（21）On, filter mantle（23）It is arranged on Bottom plate（22）On, and in water conservancy diversion through hole, mozzle（24）One end pass through bottom plate（22）It is extended to the over filter bowl（23）It is interior, storage Liquid case（25）Installed in bottom plate（22）On, and it is located at filter mantle（23）It is interior, rotary shaft（26）It may be rotatably mounted at liquid reserve tank（25） On, rotary shaft（26）One end pass through mozzle（24）Tube wall, the first blade group（27）Including multiple first blades, the first blade It is installed in rotary shaft（26）On, and it is located at liquid reserve tank（25）Interior, the first length of blade direction is rotary shaft（26）Radially, first Blade is along rotary shaft（26）Circumferentially it is uniformly distributed, the second blade group（28）Including multiple second blades, the second blade is installed in Rotary shaft（26）On, and it is located at mozzle（24）Interior, the second length of blade direction is rotary shaft（26）Radially, the second blade edge turns Moving axis（26）Circumferentially it is uniformly distributed；Bourdon tube（3）Installed in housing（1）On, the end of water conservancy diversion through hole second and bourdon tube（3）Connection, pointer（4）It is rotatably mounted In housing（1）On, bourdon tube（3）Pass through transmission mechanism（5）It is connected with pointer.
- 2. the pressure gauge according to claim 1 that drag size is automatically adjusted according to velocity of medium, it is characterised in that：Bottom plate （22）On impurity-discharging pipe is installed（221）, impurity-discharging pipe（221）Corresponding filter mantle（23）Position connected with water conservancy diversion through hole, impurity-discharging pipe （221）On at least one eduction valve is installed.
- 3. the pressure gauge according to claim 2 that drag size is automatically adjusted according to velocity of medium, it is characterised in that：Impurities removal Valve is provided with two.
- 4. the pressure gauge according to claim 3 that drag size is automatically adjusted according to velocity of medium, it is characterised in that：Impurities removal Pipe（221）The transparent shape in part between two eduction valves.
- 5. the pressure gauge according to claim 2 that drag size is automatically adjusted according to velocity of medium, it is characterised in that：Bottom plate （22）On the miscellaneous funnel of collection is installed（222）, and in water conservancy diversion through hole, collect miscellaneous funnel（222）Interior bone cross-sectional area edge Close to bottom plate（22）Direction be gradually reduced, collect miscellaneous funnel（222）With impurity-discharging pipe（221）Connection, collects miscellaneous funnel（222）It is remote Bottom plate（22）The edge and filter mantle of side（23）Lean.
- 6. the pressure gauge according to claim 1 that drag size is automatically adjusted according to velocity of medium, it is characterised in that：Water conservancy diversion Pipe（24）It is tilted that cutoff board is installed（241）, cutoff board（241）Place plane is parallel to rotary shaft（26）Axially.
- 7. the pressure gauge according to claim 1 that drag size is automatically adjusted according to velocity of medium, it is characterised in that：Water conservancy diversion Through hole includes the first diversion section（211）With the second diversion section（212）, the second diversion section（212）Positioned at the first diversion section（211）Far From bourdon tube（3）Side, the first diversion section（211）Cross-sectional area is along close to bourdon tube（3）Direction be gradually reduced, mistake Filter bowl（23）Positioned at the second diversion section（212）It is interior.
- 8. the pressure gauge according to claim 7 that drag size is automatically adjusted according to velocity of medium, it is characterised in that：Installation Frame（21）Corresponding first diversion section（211）Multiple flow blocking posts are inside installed.
- 9. the pressure gauge according to claim 1 that drag size is automatically adjusted according to velocity of medium, it is characterised in that：Installation Neck also includes helical spring（29）, helical spring（29）Both ends and filter mantle（23）Connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610576380.2A CN106092432B (en) | 2016-07-21 | 2016-07-21 | A kind of pressure gauge that drag size is automatically adjusted according to velocity of medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610576380.2A CN106092432B (en) | 2016-07-21 | 2016-07-21 | A kind of pressure gauge that drag size is automatically adjusted according to velocity of medium |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106092432A CN106092432A (en) | 2016-11-09 |
| CN106092432B true CN106092432B (en) | 2017-11-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610576380.2A Active CN106092432B (en) | 2016-07-21 | 2016-07-21 | A kind of pressure gauge that drag size is automatically adjusted according to velocity of medium |
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| Country | Link |
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| CN (1) | CN106092432B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106855448A (en) * | 2016-11-23 | 2017-06-16 | 安徽瑞鑫自动化仪表有限公司 | A kind of pressure gauge of long service life |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5131275A (en) * | 1991-04-02 | 1992-07-21 | Huang Tien Tsai | Gas pressure gage |
| CN2821553Y (en) * | 2005-09-22 | 2006-09-27 | 宝钢集团上海梅山有限公司 | Pressure sonsor with filter |
| CN202108997U (en) * | 2011-06-10 | 2012-01-11 | 中国石油天然气股份有限公司 | Self-closing pressure gauge valve |
| CN203798484U (en) * | 2014-04-09 | 2014-08-27 | 安徽华东光电技术研究所 | Buffer device for pressure induction of liquid pressure sensor |
| CN105043638A (en) * | 2015-08-15 | 2015-11-11 | 重庆布莱迪仪器仪表有限公司 | Anti-seismic pressure gauge |
| CN204944743U (en) * | 2015-08-17 | 2016-01-06 | 安徽电气集团股份有限公司 | A kind of anti-blocking voltage regulation type tensimeter |
| CN206311260U (en) * | 2016-07-21 | 2017-07-07 | 安徽蓝润自动化仪表有限公司 | A kind of pressure gauge that drag size is automatically adjusted according to velocity of medium |
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2016
- 2016-07-21 CN CN201610576380.2A patent/CN106092432B/en active Active
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| CN106092432A (en) | 2016-11-09 |
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