CN106124124A - The quick test splice of instrument and Pressure gauge - Google Patents
The quick test splice of instrument and Pressure gauge Download PDFInfo
- Publication number
- CN106124124A CN106124124A CN201610269970.0A CN201610269970A CN106124124A CN 106124124 A CN106124124 A CN 106124124A CN 201610269970 A CN201610269970 A CN 201610269970A CN 106124124 A CN106124124 A CN 106124124A
- Authority
- CN
- China
- Prior art keywords
- valve body
- described valve
- lock pin
- holding tank
- outlet passageway
- 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
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L27/00—Testing or calibrating of apparatus for measuring fluid pressure
- G01L27/002—Calibrating, i.e. establishing true relation between transducer output value and value to be measured, zeroing, linearising or span error determination
- G01L27/005—Apparatus for calibrating pressure sensors
-
- 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
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L37/00—Couplings of the quick-acting type
- F16L37/28—Couplings of the quick-acting type with fluid cut-off means
- F16L37/38—Couplings of the quick-acting type with fluid cut-off means with fluid cut-off means in only one of the two pipe-end fittings
- F16L37/40—Couplings of the quick-acting type with fluid cut-off means with fluid cut-off means in only one of the two pipe-end fittings with a lift valve being opened automatically when the coupling is applied
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L11/00—Measuring steady or quasi-steady pressure of a fluid or a fluent solid material by means not provided for in group G01L7/00 or G01L9/00
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Mechanical Engineering (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The invention provides a kind of quick test splice of instrument and Pressure gauge, including inlet channel, outlet passageway, valve body and spool；Wherein, between described inlet channel and described outlet passageway, the valve body holding tank that the valve head with described spool matches it is provided with；Described inlet channel is all connected with described outlet passageway by described valve body holding tank with described valve body；When described valve head is pushed into described valve body holding tank bottom, blocking the connection of described inlet channel and described outlet passageway, described valve body connects with described outlet passageway；When described valve head is reset to the upper end of described valve body holding tank, blocking the connection of described examination gas input passage and described outlet passageway, described inlet channel connects valve body with described outlet passageway.In the present invention, the quick test splice of instrument is mountable on existing Pressure gauge such that it is able to realize manometric on-line checking, it is to avoid Pressure gauge damage in dismounting.
Description
Technical field
The present invention relates to manometer calibration, in particular it relates to a kind of quick test splice of instrument and Pressure gauge.
Background technology
Pressure gauge is a kind of barometric surveying instrument sensed with deformation element work.Pressure gauge with easy to carry, measure accurately,
Pressure measurement scope is wide, working service is easy, without advantages such as mercury pollution, be widely used in meteorology, military affairs, aviation, navigation, agricultural,
The fields such as measurement, geology, industrial and mining establishment and scientific research, become the conventional instrument measuring atmospheric pressure.
Pressure gauge is long along with the duration of the time of use, along with error amount can become larger, thus needs to enter Pressure gauge
Row is calibrated again.In prior art, typically by Pressure gauge after former installation site is removed, return-to-factory carries out detection calibration.This
Plant detection calibration method not only to waste time and energy, and at Pressure gauge during removing and installing, easily cause manometric
Damage.
Summary of the invention
For defect of the prior art, it is an object of the invention to provide a kind of quick test splice of instrument, it is possible to realize
Manometric on-line checking.
The quick test splice of instrument provided according to the present invention, including inlet channel, outlet passageway, valve body and spool；
Wherein, between described inlet channel and described outlet passageway, the valve that the valve head with described spool matches it is provided with
Body holding tank；
Described inlet channel is all connected with described outlet passageway by described valve body holding tank with described valve body；
When described valve head is pushed into described valve body holding tank bottom, block described inlet channel with described give vent to anger logical
The connection in road, described valve body connects with described outlet passageway；
When described valve head is reset to the upper end of described valve body holding tank, block described examination gas input passage and institute
Stating the connection of outlet passageway, described inlet channel connects valve body with described outlet passageway.
Preferably, described valve head is provided with the first sealing ring；
Described first sealing ring forms interference fit with the internal face of described valve body holding tank；Described first sealing ring is by institute
State valve body holding tank and be divided into that not connect be the first sealing area and the second sealing area；
When described valve head is pushed into described valve body holding tank bottom, described inlet channel and the second sealing area are even
Logical, described valve body is connected with described outlet passageway by the first sealing area.
Preferably, also include testing source of the gas plug, being released from lock pin moving-coil, the first back-moving spring and the second reset bullet
Spring；
Wherein, the bottom outside wall surface of described valve head is provided with first relative with the groove bottom of described valve body holding tank
Step surface；It is provided with the first back-moving spring between described groove bottom and described First terrace；
The outside wall surface of described valve body arranges second step face；The upper end of described second back-moving spring is released from described in being arranged on
On the downside of the locating part of lock pin moving-coil, the other end is arranged on described second step face；Described valve body is provided with self-lock pin
Installing through hole, it is downward-sloping that through hole installed by described self-lock pin；One end of described locating part is stretched into described self-lock pin and is installed in through hole；
Described self-lock pin is provided with self-lock pin in installing through hole；Described self-lock pin is arranged on the upper side of described locating part, with described
Locating part moves up and down；
Described test source of the gas plug is provided with the self-locking hole matched with described self-lock pin, thus with the upper end of described valve body
Portion removably connects.
Preferably, when described valve body is inserted in the bottom of test source of the gas plug, and the lower surface of described test source of the gas plug pushes away
When the valve head of dynamic described spool is to described valve body holding tank bottom, described first back-moving spring is compressive state, described release
Self-lock pin moving-coil under the driving of described second back-moving spring on move, described in be released from the locating part of lock pin moving-coil promote described from
Lock pin is installed at the spacing draw-in groove of through hole and described test source of the gas plug to described self-lock pin；
When testing source of the gas plug and extracting from described valve body, the most first push down on and be released from lock pin moving-coil, described self-lock pin
Move downward with described locating part, after test source of the gas plug is extracted, described valve head is multiple under described first back-moving spring drives
The upper end of position extremely described valve body holding tank.
Preferably, the axis of described inlet channel and the axis of described outlet passageway are mutually perpendicular to；The axis of described valve body
It is parallel to each other with the axis of described inlet channel.
Preferably, the upper end of described spool is provided with test inlet channel and being provided with and is connected with described inlet channel
Venthole；
When described valve head is pushed into described valve body holding tank bottom, the venthole inner space by described valve body
Described valve body holding tank；
When described valve body is inserted in the bottom of test source of the gas plug, and the test air inlet inside described test source of the gas plug is even
Logical described test inlet channel.
Preferably, the second sealing ring is also included；
Wherein, the upper end of described valve body is provided with sealing ring mounting groove；Described 3rd sealing ring is arranged on described sealing
In circle mounting groove；
Described sealing ring mounting groove is arranged between the inner chamber of described valve body and self-lock pin installation through hole.
Preferably, when the valve head of described spool is in the bottom of described valve body holding tank, the first sealing of described valve head
The height of circle is less than the height of the air inlet of described outlet passageway；
When the valve head of described spool is in the upper end of described valve body holding tank, the height of the first sealing ring of described valve head
Height more than the air inlet of described outlet passageway.
The Pressure gauge that the present invention provides, including the described quick test splice of instrument；Also include gas path plate and Pressure gauge originally
Body；
Wherein, described gas path plate arranges gas input passage；One end of described gas input passage connects described Pressure gauge
The air inlet of body, the other end connects the gas outlet of described outlet passageway；
Preferably, the 3rd sealing ring is also included；
Described 3rd sealing ring be arranged on the gas input passage of described gas path plate and described outlet passageway gas outlet it
Between.
Compared with prior art, the present invention has a following beneficial effect:
1, in the present invention, the quick test splice of instrument is mountable on existing Pressure gauge such that it is able to realize manometric
On-line checking, it is to avoid Pressure gauge damage in dismounting；
2, the upper end testing source of the gas plug and valve body in the present invention removably connects, it is possible to quickly realize Pressure gauge in work
Make the switching of state and test mode；
3, present configuration is simple, rationally distributed, it is easy to promote.
Accompanying drawing explanation
By the detailed description non-limiting example made with reference to the following drawings of reading, the further feature of the present invention,
Purpose and advantage will become more apparent upon:
Fig. 1 is the working state schematic representation of the present invention；
Fig. 2 is the test mode schematic diagram of the present invention；
Fig. 3 is the surface structure schematic diagram of the present invention.
In figure:
1 is inlet channel；
2 is outlet passageway；
3 is valve body holding tank；
4 is valve head；
5 is the first sealing ring；
6 is valve body；
7 is the second sealing ring；
8 is the 3rd sealing ring；
9 is the first back-moving spring；
10 for being released from lock pin moving-coil；
11 is the second back-moving spring；
12 is self-lock pin；
13 is gas path plate；
14 is test source of the gas plug；
15 is Pressure gauge body；
16 is the quick test splice of instrument.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is described in detail.Following example will assist in the technology of this area
Personnel are further appreciated by the present invention, but limit the present invention the most in any form.It should be pointed out that, the ordinary skill to this area
For personnel, without departing from the inventive concept of the premise, it is also possible to make some deformation and improvement.These broadly fall into the present invention
Protection domain.
In the present embodiment, the quick test splice of instrument that the present invention provides, including inlet channel, outlet passageway, valve body
And spool；
Wherein, between described inlet channel and described outlet passageway, the valve that the valve head with described spool matches it is provided with
Body holding tank；
Described inlet channel is all connected with described outlet passageway by described valve body holding tank with described valve body；
When described valve head is pushed into described valve body holding tank bottom, block described inlet channel with described give vent to anger logical
The connection in road, described valve body connects with described outlet passageway；
When described valve head is reset to the upper end of described valve body holding tank, block described examination gas input passage and institute
Stating the connection of outlet passageway, described inlet channel connects valve body with described outlet passageway.
The first sealing ring it is provided with on described valve head；
Described first sealing ring forms interference fit with the internal face of described valve body holding tank；Described first sealing ring is by institute
State valve body holding tank and be divided into that not connect be the first sealing area and the second sealing area；
When described valve head is pushed into described valve body holding tank bottom, described inlet channel and the second sealing area are even
Logical, described valve body is connected with described outlet passageway by the first sealing area.
The quick test splice of instrument that the present invention provides, also includes testing source of the gas plug, is released from lock pin moving-coil, first multiple
Position spring and the second back-moving spring；
Wherein, the bottom outside wall surface of described valve head is provided with first relative with the groove bottom of described valve body holding tank
Step surface；It is provided with the first back-moving spring between described groove bottom and described First terrace；
The outside wall surface of described valve body arranges second step face；The upper end of described second back-moving spring is released from described in being arranged on
On the downside of the locating part of lock pin moving-coil, the other end is arranged on described second step face；Described valve body is provided with self-lock pin
Installing through hole, it is downward-sloping that through hole installed by described self-lock pin；One end of described locating part is stretched into described self-lock pin and is installed in through hole；
Described self-lock pin is provided with self-lock pin in installing through hole；Described self-lock pin is arranged on the upper side of described locating part, with described
Locating part moves up and down；
Described test source of the gas plug is provided with the self-locking hole matched with described self-lock pin, thus with the upper end of described valve body
Portion removably connects.
When described valve body is inserted in the bottom of test source of the gas plug, and the lower surface of described test source of the gas plug promotes described valve
The valve head of core to described valve body holding tank bottom time, described first back-moving spring is compressive state, described in be released from lock pin move
Circle under the driving of described second back-moving spring on move, described in be released from lock pin moving-coil locating part promote described self-lock pin to institute
State self-lock pin to install at the spacing draw-in groove of through hole and described test source of the gas plug；
When testing source of the gas plug and extracting from described valve body, the most first push down on and be released from lock pin moving-coil, described self-lock pin
Move downward with described locating part, after test source of the gas plug is extracted, described valve head is multiple under described first back-moving spring drives
The upper end of position extremely described valve body holding tank.
In variation, the internal face of described valve body is provided with first step, and the upper end outside wall surface of described spool sets
It is equipped with the second step face relative with the upper side of described first step；Set between described first step and described second step face
It is equipped with the first back-moving spring；
The outside wall surface of described valve body is provided with spring card slot and the 3rd step surface；The upper end of described second back-moving spring is arranged
In described spring card slot, the other end is arranged on described 3rd step surface；Described valve body is provided with self-lock pin and installs through hole, institute
State self-lock pin installation through hole to be arranged between spring card slot and described 3rd step surface；Described self-lock pin is provided with in installing through hole
Self-lock pin；The diameter of described self-lock pin installs the length of through hole more than described self-lock pin；
Described test source of the gas plug is provided with the spacing draw-in groove matched with described self-lock pin, thus upper with described valve body
End removably connects.
When described valve body is inserted in the bottom of test source of the gas plug, and the lower surface of described test source of the gas plug promotes described valve
The valve head of core to described valve body holding tank bottom time, described first back-moving spring is compressive state, described in be released from lock pin move
Enclose and move at the outer face of described self-lock pin installation through hole under the driving of described second back-moving spring, described release self-locking
The locating part of pin moving-coil promotes described self-lock pin to install through hole and the spacing draw-in groove of described test source of the gas plug to described self-lock pin
Place；
When test source of the gas plug extract from described valve body time, the most first push down on and be released from lock pin moving-coil, after will test gas
Source plug is extracted, and described valve head is reset to the upper end of described valve body holding tank under described first back-moving spring drives, described
The upper end of valve head is reset to self-lock pin and installs the outer face driving self-lock pin to self-lock pin installation through hole at the inner face of through hole
Mobile, described self-lock pin pass through described in be released from the locating part of lock pin moving-coil spacing described in be released from lock pin moving-coil.
The axis of described inlet channel and the axis of described outlet passageway are mutually perpendicular to；The axis of described valve body with described enter
The axis of gas passage is parallel to each other.
The upper end of described spool is provided with test inlet channel and is provided with and giving vent to anger that described inlet channel is connected
Hole；
When described valve head is pushed into described valve body holding tank bottom, the venthole inner space by described valve body
Described valve body holding tank；
When described valve body is inserted in the bottom of test source of the gas plug, and the test air inlet inside described test source of the gas plug is even
Logical described test inlet channel.
The quick test splice of instrument that the present invention provides, also includes the second sealing ring；
Wherein, the upper end of described valve body is provided with sealing ring mounting groove；Described 3rd sealing ring is arranged on described sealing
In circle mounting groove；
Described sealing ring mounting groove is arranged between the inner chamber of described valve body and self-lock pin installation through hole.
When the valve head of described spool is in the bottom of described valve body holding tank, the height of the first sealing ring of described valve head
Height less than the air inlet of described outlet passageway；
When the valve head of described spool is in the upper end of described valve body holding tank, the height of the first sealing ring of described valve head
Height more than the air inlet of described outlet passageway.
The Pressure gauge that the present invention provides, it is characterised in that include the quick test splice of described instrument；Also include gas path plate
With Pressure gauge body；
Wherein, described gas path plate arranges gas input passage；One end of described gas input passage connects described Pressure gauge
The air inlet of body, the other end connects the gas outlet of described outlet passageway
The Pressure gauge that the present invention provides, also includes the 3rd sealing ring；Described 3rd sealing ring is arranged on described gas path plate
Between the gas outlet of gas input passage and described outlet passageway.
Above the specific embodiment of the present invention is described.It is to be appreciated that the invention is not limited in above-mentioned
Particular implementation, those skilled in the art can make various deformation or amendment within the scope of the claims, this not shadow
Ring the flesh and blood of the present invention.
Claims (10)
1. the quick test splice of instrument, it is characterised in that include inlet channel, outlet passageway, valve body and spool；
Wherein, between described inlet channel and described outlet passageway, it is provided with the valve body appearance that the valve head with described spool matches
Receive groove；
Described inlet channel is all connected with described outlet passageway by described valve body holding tank with described valve body；
When described valve head is pushed into described valve body holding tank bottom, block described inlet channel and described outlet passageway
Connection, described valve body connects with described outlet passageway；
When described valve head is reset to the upper end of described valve body holding tank, block described examination gas input passage with described go out
The connection of gas passage, described inlet channel connects valve body with described outlet passageway.
The quick test splice of instrument the most according to claim 1, it is characterised in that be provided with the first sealing on described valve head
Circle；
Described first sealing ring forms interference fit with the internal face of described valve body holding tank；Described first sealing ring is by described valve
Body holding tank is divided into and does not connects is the first sealing area and the second sealing area；
When described valve head is pushed into described valve body holding tank bottom, described inlet channel and the connection of the second sealing area,
Described valve body is connected with described outlet passageway by the first sealing area.
The quick test splice of instrument the most according to claim 1, it is characterised in that also include testing source of the gas plug, release
Self-lock pin moving-coil, the first back-moving spring and the second back-moving spring；
Wherein, the bottom outside wall surface of described valve head is provided with the first step relative with the groove bottom of described valve body holding tank
Face；It is provided with the first back-moving spring between described groove bottom and described First terrace；
The outside wall surface of described valve body arranges second step face；The upper end of described second back-moving spring is released from lock pin described in being arranged on
On the downside of the locating part of moving-coil, the other end is arranged on described second step face；Described valve body is provided with self-lock pin and installs
Through hole, it is downward-sloping that through hole installed by described self-lock pin；One end of described locating part is stretched into described self-lock pin and is installed in through hole；Described
Self-lock pin is provided with self-lock pin in installing through hole；Described self-lock pin is arranged on the upper side of described locating part, with described spacing
Part moves up and down；
Described test source of the gas plug is provided with the self-locking hole matched with described self-lock pin, thus can with the upper end of described valve body
Dismounting connects.
The quick test splice of instrument the most according to claim 3, it is characterised in that when the bottom of test source of the gas plug is inserted
Entering described valve body, the lower surface of described test source of the gas plug promotes the valve head of described spool to described valve body holding tank bottom
Time, described first back-moving spring is compressive state, described in be released from lock pin moving-coil under the driving of described second back-moving spring on
Move, described in be released from the locating part of lock pin moving-coil and promote described self-lock pin, to described self-lock pin, through hole and described test source of the gas are installed
At the spacing draw-in groove of plug；
When testing source of the gas plug and extracting from described valve body, the most first pushing down on and be released from lock pin moving-coil, described self-lock pin is with institute
State locating part to move downward, after test source of the gas plug is extracted, described valve head described first back-moving spring drive under be reset to
The upper end of described valve body holding tank.
The quick test splice of instrument the most according to claim 1, it is characterised in that the axis of described inlet channel and described
The axis of outlet passageway is mutually perpendicular to；The axis of described valve body is parallel to each other with the axis of described inlet channel.
The quick test splice of instrument the most according to claim 3, it is characterised in that the upper end of described spool is provided with survey
Try inlet channel and be provided with the venthole being connected with described inlet channel；
When described valve head is pushed into described valve body holding tank bottom, venthole is by described in the inner space of described valve body
Valve body holding tank；
When described valve body is inserted in the bottom of test source of the gas plug, and the test air inlet inside described test source of the gas plug connects institute
State test inlet channel.
The quick test splice of instrument the most according to claim 6, it is characterised in that also include the second sealing ring；
Wherein, the upper end of described valve body is provided with sealing ring mounting groove；Described 3rd sealing ring is arranged on described sealing ring peace
In tankage；
Described sealing ring mounting groove is arranged between the inner chamber of described valve body and self-lock pin installation through hole.
The quick test splice of instrument the most according to claim 4, it is characterised in that when the valve head of described spool is at described valve
During the bottom of body holding tank, the height of the first sealing ring of described valve head is less than the height of the air inlet of described outlet passageway；
When the valve head of described spool is in the upper end of described valve body holding tank, the height of the first sealing ring of described valve head is more than
The height of the air inlet of described outlet passageway.
9. a Pressure gauge, it is characterised in that include the quick test splice of the instrument described in any one of claim 1 to 8；Also wrap
Include gas path plate and Pressure gauge body；
Wherein, described gas path plate arranges gas input passage；One end of described gas input passage connects described Pressure gauge body
Air inlet, the other end connect described outlet passageway gas outlet.
Pressure gauge the most according to claim 9, it is characterised in that also include the 3rd sealing ring；
Described 3rd sealing ring is arranged between the gas input passage of described gas path plate and the gas outlet of described outlet passageway.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610269970.0A CN106124124A (en) | 2016-04-27 | 2016-04-27 | The quick test splice of instrument and Pressure gauge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610269970.0A CN106124124A (en) | 2016-04-27 | 2016-04-27 | The quick test splice of instrument and Pressure gauge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106124124A true CN106124124A (en) | 2016-11-16 |
Family
ID=57270153
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610269970.0A Pending CN106124124A (en) | 2016-04-27 | 2016-04-27 | The quick test splice of instrument and Pressure gauge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106124124A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113295324A (en) * | 2021-05-20 | 2021-08-24 | 陆少华 | Pressure gauge |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102980718A (en) * | 2012-11-22 | 2013-03-20 | 中航力源液压股份有限公司 | On-line pressure detecting method and device thereof |
| CN205978931U (en) * | 2016-04-25 | 2017-02-22 | 上海悟力仪表电器有限公司 | Quick test connector of instrument and manometer |
| CN206114191U (en) * | 2016-04-25 | 2017-04-19 | 上海悟力仪表电器有限公司 | Quick test connector of instrument and manometer |
-
2016
- 2016-04-27 CN CN201610269970.0A patent/CN106124124A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102980718A (en) * | 2012-11-22 | 2013-03-20 | 中航力源液压股份有限公司 | On-line pressure detecting method and device thereof |
| CN205978931U (en) * | 2016-04-25 | 2017-02-22 | 上海悟力仪表电器有限公司 | Quick test connector of instrument and manometer |
| CN206114191U (en) * | 2016-04-25 | 2017-04-19 | 上海悟力仪表电器有限公司 | Quick test connector of instrument and manometer |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113295324A (en) * | 2021-05-20 | 2021-08-24 | 陆少华 | Pressure gauge |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205978931U (en) | Quick test connector of instrument and manometer | |
| CN105806766B (en) | A kind of flexible wall permeameter for surveying body change | |
| CN103940719B (en) | A kind of coal body Penetration Signature test macro and method | |
| US4429566A (en) | Piping leakage detection method and apparatus | |
| CN103323380A (en) | Concrete in-situ non-destructive gas permeability measurement device as well as method | |
| CN204405497U (en) | The core test device of axial stress can be added | |
| DE102012200063A1 (en) | Procedure for leak detection on a non-rigid specimen | |
| CN105067494A (en) | Permeability testing method and device based on radial percolation experiment | |
| CN103207050B (en) | Mass spectrometer leak detection helium pre-filling method capable of prolonging detection waiting time of sealing device | |
| CN104502163B (en) | Adjustable-depth collecting device for carbon dioxide in soil and use method of adjustable-depth collecting device | |
| CN204177537U (en) | A kind of container helium mass spectrum leak detection device | |
| CN206114191U (en) | Quick test connector of instrument and manometer | |
| CN106124124A (en) | The quick test splice of instrument and Pressure gauge | |
| CN201368789Y (en) | Hydrogen fuel cell leakage detecting device | |
| CN205333483U (en) | Gas permeability test system | |
| CN104132708A (en) | Volume calibration system and method for irregularly-shaped closed container | |
| CN104776962B (en) | Valve detection fixture and the valve detecting system with the fixture | |
| CN109707371B (en) | Device and method for rapidly measuring drilling depth of coal seam | |
| CN107238734A (en) | A kind of reliability testing system board protector | |
| CN104142213A (en) | Building door and window dust prevention performance test equipment and dust detection method | |
| CN106969891A (en) | A kind of air-tightness detection device and method for clutch master cylinder | |
| CN103439065B (en) | Device is utilized to carry out the method for PRESSURE LEAK CALIBRATION | |
| CN104502039A (en) | Gas tightness detecting method for fuel gas meter | |
| CN114705355A (en) | Fluid calibration device for soil pressure cell and soil pressure cell calibration method | |
| CN104422561A (en) | Detection device, detection system and detection method used for pressure sensor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161116 |
|
| RJ01 | Rejection of invention patent application after publication |