CN110823325B - Leak-proof water meter calibrating installation - Google Patents
Leak-proof water meter calibrating installation Download PDFInfo
- Publication number
- CN110823325B CN110823325B CN201911187980.XA CN201911187980A CN110823325B CN 110823325 B CN110823325 B CN 110823325B CN 201911187980 A CN201911187980 A CN 201911187980A CN 110823325 B CN110823325 B CN 110823325B
- Authority
- CN
- China
- Prior art keywords
- arc
- fixedly connected
- block
- annular
- main body
- 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.)
- Active
Links
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F25/00—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume
- G01F25/10—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume of flowmeters
-
- 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
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/02—Sealings between relatively-stationary surfaces
- F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
- F16J15/061—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with positioning means
-
- 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
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/02—Sealings between relatively-stationary surfaces
- F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
- F16J15/062—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces characterised by the geometry of the seat
-
- 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
- F16L21/00—Joints with sleeve or socket
- F16L21/06—Joints with sleeve or socket with a divided sleeve or ring clamping around the pipe-ends
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
- G01F15/18—Supports or connecting means for meters
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
-
- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Fluid Mechanics (AREA)
- Geometry (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
The invention particularly relates to a leakage-proof water meter calibrating device which comprises a detecting main body, wherein a fixed block is fixedly connected above the detecting main body, a hand handle is fixedly connected onto the fixed block, a sealing device is arranged in the detecting main body, an auxiliary sealing device is arranged on one side of the detecting main body, the detecting main body is convenient for an operator to use in a detachable connection mode and is convenient to carry, the inside of the device can be completely sealed through the auxiliary sealing device, and the sealing condition of a connection part can be conveniently, quickly and accurately judged through a booster fan and a pressure sensor.
Description
Technical Field
The invention mainly relates to the technical field of water meters, in particular to a leak-proof water meter calibrating device.
Background
The water meter is an instrument for measuring water flow, mostly water accumulation flow measurement, generally divided into a positive displacement water meter and a speed water meter, and when in connection, a measuring pipe of the water meter is generally connected and fixed with one end of a water pipe through a connecting piece;
however, after the fixation is completed, it cannot be accurately determined whether the connection is complete or not, and whether leakage or incomplete sealing exists or not.
Disclosure of Invention
Technical problem to be solved by the invention
The invention provides a leak-proof water meter calibrating device, which is used for solving the problem that how to solve the problem that whether the joint is close to complete sealing can not be completely and accurately judged after a measuring pipe and one end of a water pipe of a water meter are connected and fixed through a connecting piece in the background technology.
Technical scheme
The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a prevent leaking water gauge calibrating installation, includes and detects the main part, detect main part top fixedly connected with fixed block, the hand handle of fixedly connected with on the fixed block, be equipped with sealing device in the detection main part, it is equipped with supplementary sealing device to detect main part one side.
Furthermore, one side of the inner arc at the bottom of the detection main body is fixedly connected with a booster fan, and the other side of the inner arc at the bottom of the detection main body is fixedly connected with a pressure sensor.
Further, sealing device includes the arc guide slot, arc guide slot middle part is equipped with the connecting block, the equal symmetry in connecting block both ends is equipped with first magnetic path, in the arc guide slot, the connecting block bilateral symmetry is equipped with the arc conducting bar, arc conducting bar inner is equipped with the second magnetic path, first magnetic path with second magnetic path magnetism is connected.
Furthermore, connecting block one side arc conducting bar outer end is equipped with first dead slot, fixedly connected with third magnetic path on the first dead slot inner wall, the connecting block opposite side arc conducting bar outer end fixedly connected with fourth magnetic path, third magnetic path magnetism is connected the fourth magnetic path, just fourth magnetic path both sides fixedly connected with elastic sealing pad, elastic sealing pad wholly is similar arc platform shape.
Further, arc conducting bar both sides all are equipped with the connecting strip, the connecting strip passes the cavity and is connected to the outer end, the spacing ejector pad of connecting strip outer end fixed connection, wherein the cavity is located detect in the main part, just the cavity with the arc guide slot link up mutually, the cavity cross section length of saying is less than the cross section length of arc guide slot.
Further, supplementary sealing device includes the supplementary piece of first annular, fixedly connected with annular elastic sealing pad one end on the supplementary piece of first annular, the supplementary piece one side of second annular of annular elastic sealing pad other end fixed connection, wherein the supplementary piece of first annular with the equal fixedly connected with hasp in supplementary piece one side of second annular, hasp locking device is connected to the hasp locking, locking device is located supplementary seat one side of supplementary piece of second annular and water gauge main part.
Further, locking device includes the second dead slot, fixed spring one end on the second dead slot inner wall, spring other end fixed connection locking piece, locking piece fixedly connected with auxiliary rod, the auxiliary rod runs through second dead slot to outer end.
Furthermore, the outer end part of the auxiliary rod is provided with a limiting plate, the periphery of the limiting plate is fixedly connected with one end of a return spring, and the other end of the return spring is fixedly connected with the second annular auxiliary block and the outer side of the auxiliary seat.
Advantageous effects
Compared with the prior art, the technical scheme provided by the invention has the beneficial effects that:
the leak-proof water meter calibrating device provided by the invention is convenient for an operator to use and carry in a way that the detection body is detachably connected, can completely seal the inside of the device through the auxiliary sealing detection device, and can be conveniently and quickly detected through the booster fan and the pressure sensor. And the sealing condition of the joint is accurately judged.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention, as claimed.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the invention and together with the description, serve to explain the principles of the invention.
FIG. 1 is a schematic plan view of the present invention;
FIG. 2 is a schematic view of the locking device of the present invention;
FIG. 3 is a schematic view of a test body according to the present invention;
FIG. 4 is a schematic view of the interior of the test body of the present invention;
FIG. 5 is a schematic view of an internal connecting strip of the test body of the present invention;
FIG. 6 is a schematic view of the connection of the two ends of the arc-shaped conducting bar of the present invention;
FIG. 7 is a schematic view of the construction of the secondary seal of the present invention;
fig. 8 is a schematic structural view of the locking device of the present invention.
In the figure: 1. the pressure sensor comprises a detection main body, 11, a fixed block, 12, a hand handle, 13, a booster fan, 14, a pressure sensor, 2, a sealing device, 21, an arc-shaped guide groove, 22, a connecting block, 23, a first magnetic block, 24, an arc-shaped guide strip, 241, a first empty groove, 242, a third magnetic block, 243, a fourth magnetic block, 244, an elastic sealing gasket, 25, a second magnetic block, 26, a connecting strip, 27, a cavity, 28, a limiting push block, 3, an auxiliary sealing device, 31, a first annular auxiliary block, 32, an annular elastic sealing gasket, 33, a second annular auxiliary block, 34, a lock catch, 35, a locking device, 351, a second empty groove, 352, a spring, 353, a lock block, 354, an auxiliary rod, 355, a limiting plate, 356, a reset spring, 36 and an auxiliary seat.
Detailed Description
Reference will now be made in detail to various exemplary embodiments of the invention, the detailed description should not be construed as limiting the invention but as a more detailed description of certain aspects, features and embodiments of the invention.
It will be apparent to those skilled in the art that various modifications and variations can be made in the specific embodiments of the present disclosure without departing from the scope or spirit of the disclosure. Other embodiments will be apparent to those skilled in the art from consideration of the specification. The specification and examples are exemplary only.
Referring to fig. 1-8, a leak-proof water meter calibrating device comprises a detecting body 1, a fixing block 11 is fixedly connected above the detecting body 1, a hand handle 12 is fixedly connected on the fixing block 11, a sealing device 2 is arranged in the detecting body 1, and an auxiliary sealing device 3 is arranged on one side of the detecting body 1.
One side of the inner arc at the bottom of the detection main body 1 is fixedly connected with a booster fan 13, and the other side of the inner arc at the bottom of the detection main body 1 is fixedly connected with a pressure sensor 14.
The sealing device 2 comprises an arc-shaped guide groove 21, a connecting block 22 is arranged in the middle of the arc-shaped guide groove 21, first magnetic blocks 23 are symmetrically arranged at two ends of the connecting block 22, arc-shaped guide strips 24 are symmetrically arranged in the arc-shaped guide groove 21 and on two sides of the connecting block 22, second magnetic blocks 25 are arranged at the inner ends of the arc-shaped guide strips 24, and the first magnetic blocks 23 are magnetically connected with the second magnetic blocks 25.
One side of the connecting block 22, the outer end of the arc-shaped conducting bar 24 is provided with a first empty groove 241, the inner wall of the first empty groove 241 is fixedly connected with a third magnetic block 242, the other side of the connecting block 22, the outer end of the arc-shaped conducting bar 24 is fixedly connected with a fourth magnetic block 243, the third magnetic block 242 is magnetically connected with the fourth magnetic block 243, two sides of the fourth magnetic block 243 are fixedly connected with elastic sealing gaskets 244, and the elastic sealing gaskets 244 are integrally shaped like arc tables.
Arc conducting strip 24 both sides all are equipped with connecting strip 26, connecting strip 26 passes cavity 27 and is connected to the outer end, the spacing ejector pad 28 of connecting strip 26 outer end fixed connection, wherein cavity 27 is located detect on the main part 1, just cavity 27 with arc guide slot 21 link up mutually, and the cavity 27 cross-sectional length of saying is less than arc guide slot 21's cross-sectional length.
Supplementary sealing device 3 includes the supplementary piece 31 of first annular, fixedly connected with annular elastic sealing pad 32 one end on the supplementary piece 31 of first annular, the supplementary piece 33 one side of the supplementary piece of annular elastic sealing pad 32 other end fixed connection second annular, wherein the supplementary piece 31 of first annular with the supplementary piece 33 one side equal fixedly connected with hasp 34 of second annular, hasp 34 hasp connection locking device 35, locking device 35 is located the supplementary seat 36 one side of supplementary piece 33 of second annular and water gauge main part.
The locking device 35 includes a second empty groove 351, one end of a spring 352 is fixed on the inner wall of the second empty groove 351, the other end of the spring 352 is fixedly connected with a locking block 353, the locking block 353 is fixedly connected with an auxiliary rod 354, and the auxiliary rod 354 penetrates through the second empty groove 351 to the outer end.
Limiting plates 355 are arranged at the outer end parts of the auxiliary rods 354 and on the auxiliary rods 354, one ends of return springs 356 are fixedly connected around the limiting plates 355, and the other ends of the return springs 356 are fixedly connected to the second annular auxiliary block 33 and the outer side of the auxiliary seat 36.
The specific implementation mode of the invention is as follows: when detection is needed, an operator places the inner arc of the detection main body at the joint of the water meter measuring pipe and the water pipe, pulls out the arc-shaped guide strips on two sides from the arc-shaped guide groove in the detection main body through the limiting push block, the fourth magnetic block of the arc-shaped guide strip on one side is embedded into the first empty groove, the fourth magnetic block is magnetically connected with the third magnetic block to fix the two arc-shaped guide strips, meanwhile, the elastic sealing gasket enhances the sealing property, and when the detection device is not used, the arc-shaped guide strip is pulled into the arc-shaped guide groove, so that the second magnetic block is magnetically connected with the first magnetic block of the connecting block, and the arc-shaped guide strips are stably placed in the;
after the detection main body is placed, the first annular auxiliary block and the second annular auxiliary block are respectively placed on two sides of the detection main body, and an operator utilizes locking substances such as rubber bands and the like to tighten the annular elastic sealing gaskets on the water pipe and the annular groove, so that the complete sealing performance of the whole device is realized;
after the device is prepared for work, an operator controls a booster fan to carry out inflation and pressurization on the device through a controller, the air pressure condition in the device is observed through a pressure sensor after waiting for a period of time, if the numerical value is reduced, the problem that leakage exists at the joint needs to be improved, and if the numerical value is not changed, the problem does not exist;
after the detection is accomplished, loosening device, calibrating installation can be taken along with usefulness, and the hasp of auxiliary seal device is connected with the hasp of locking device and can be fixed in the water gauge main part outside, make things convenient for next use, when locking device used, the hasp passes through external extrusion and locking piece contact, because the arc sets up, and the effect of spring locks the hasp in the locking piece, and the locking piece inboard is the level shape, should not take out and realize the locking, when using again, the manual work will draw the pulling of piece outer end, drive the locking piece upwards, thereby can make the hasp pull out. The whole work of the whole device is completed.
The foregoing is merely an illustrative embodiment of the present invention, and any equivalent changes and modifications made by those skilled in the art without departing from the spirit and principle of the present invention should fall within the protection scope of the present invention.
Claims (5)
1. The utility model provides a prevent leaking water gauge calibrating installation, includes detection subject (1), its characterized in that: a fixed block (11) is fixedly connected above the detection main body (1), a hand handle (12) is fixedly connected to the fixed block (11), a sealing device (2) is arranged in the detection main body (1), and an auxiliary sealing device (3) is arranged on one side of the detection main body (1);
the sealing device (2) comprises an arc-shaped guide groove (21), a connecting block (22) is arranged in the middle of the arc-shaped guide groove (21), first magnetic blocks (23) are symmetrically arranged at two ends of the connecting block (22), arc-shaped guide strips (24) are symmetrically arranged in the arc-shaped guide groove (21) and on two sides of the connecting block (22), second magnetic blocks (25) are arranged at the inner ends of the arc-shaped guide strips (24), and the first magnetic blocks (23) are magnetically connected with the second magnetic blocks (25);
a first empty groove (241) is formed in one side of the connecting block (22) and the outer end of the arc-shaped guide bar (24), a third magnetic block (242) is fixedly connected to the inner wall of the first empty groove (241), a fourth magnetic block (243) is fixedly connected to the other side of the connecting block (22) and the outer end of the arc-shaped guide bar (24), the third magnetic block (242) is magnetically connected with the fourth magnetic block (243), elastic sealing gaskets (244) are fixedly connected to two sides of the fourth magnetic block (243), and the elastic sealing gaskets (244) are integrally shaped like an arc table;
supplementary sealing device (3) are including supplementary piece (31) of first annular, fixedly connected with annular elastic sealing pad (32) one end is gone up in supplementary piece (31) of first annular, the supplementary piece (33) one side of annular elastic sealing pad (32) other end fixed connection second annular, wherein supplementary piece (31) of first annular with the equal fixedly connected with hasp (34) in supplementary piece (33) one side of second annular, hasp (34) hasp connection locking device (35), locking device (35) are located supplementary seat (36) one side of supplementary piece (33) of second annular and water gauge main part.
2. A leak-resistant water meter calibrating apparatus according to claim 1, wherein: one side of the bottom inner arc of the detection main body (1) is fixedly connected with a booster fan (13), and the other side of the bottom inner arc of the detection main body (1) is fixedly connected with a pressure sensor (14).
3. A leak-resistant water meter calibrating apparatus according to claim 1, wherein: arc conducting bar (24) both sides all are equipped with connecting strip (26), connecting strip (26) pass cavity (27) and are connected to the outer end, connecting strip (26) outer end fixed connection spacing ejector pad (28), wherein cavity (27) are located detect on the main part (1), just cavity (27) with arc guide slot (21) link up mutually, and cavity (27) cross-section is long to be less than the cross-section of arc guide slot (21) is long.
4. A leak-resistant water meter calibrating apparatus according to claim 1, wherein: the locking device (35) comprises a second empty groove (351), one end of a spring (352) is fixed on the inner wall of the second empty groove (351), the other end of the spring (352) is fixedly connected with a locking block (353), an auxiliary rod (354) is fixedly connected with the locking block (353), and the auxiliary rod (354) penetrates through the second empty groove (351) to the outer end.
5. A leak-resistant water meter calibrating apparatus according to claim 4, wherein: the outer end part of the auxiliary rod (354) is provided with a limiting plate (355) on the auxiliary rod (354), one end of a return spring (356) is fixedly connected to the periphery of the limiting plate (355), and the other end of the return spring (356) is fixedly connected to the second annular auxiliary block (33) and the auxiliary seat (36).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911187980.XA CN110823325B (en) | 2019-11-28 | 2019-11-28 | Leak-proof water meter calibrating installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911187980.XA CN110823325B (en) | 2019-11-28 | 2019-11-28 | Leak-proof water meter calibrating installation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110823325A CN110823325A (en) | 2020-02-21 |
| CN110823325B true CN110823325B (en) | 2020-12-01 |
Family
ID=69542474
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911187980.XA Active CN110823325B (en) | 2019-11-28 | 2019-11-28 | Leak-proof water meter calibrating installation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110823325B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114061709B (en) * | 2021-11-12 | 2024-08-30 | 湖南常德牌水表制造有限公司 | Pressure resistance check out test set is used in production of slidingtype water gauge that has positioning mechanism |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1546955A (en) * | 2003-12-03 | 2004-11-17 | 段慧明 | Digital drib flow water meter detecting device and method |
| CN2742402Y (en) * | 2004-10-29 | 2005-11-23 | 上海市供水水表强制检定站 | Multiple work position intelligent comprehensive water meter detector |
| CN102519098B (en) * | 2011-12-19 | 2013-12-11 | 清华大学 | Variable-pressure sealed type evaporative cooling refrigeration system |
| US9702751B2 (en) * | 2013-04-15 | 2017-07-11 | Floyd Stanley Salser, JR. | Dual measurement tank with nested structure |
| CN204535796U (en) * | 2015-02-03 | 2015-08-05 | 温岭甬岭水表有限公司 | One vacuumizes lock wetting system |
| CN106706047B (en) * | 2017-01-10 | 2023-05-09 | 海默科技（集团）股份有限公司 | Underwater multiphase flowmeter based on Ba133 |
| KR102025565B1 (en) * | 2017-07-06 | 2019-09-27 | (주)에프엔씨 | Connecting device for perfomance test of water meter |
| CN109114332B (en) * | 2018-09-07 | 2020-05-22 | 江苏国电管道设备有限公司 | Novel pipe connection device capable of being installed quickly based on pressure principle |
| CN209388708U (en) * | 2018-12-27 | 2019-09-13 | 吉林加亿测绘有限公司 | A kind of fixed device of instrument and meter |
| CN209356005U (en) * | 2019-03-26 | 2019-09-06 | 津滨仪表科技(宁波)有限公司 | A kind of Internet of Things water meter being easily installed |
-
2019
- 2019-11-28 CN CN201911187980.XA patent/CN110823325B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN110823325A (en) | 2020-02-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206248296U (en) | One kind is used for gas meter, flow meter ball valve air-tightness pressure detecting instrument | |
| CN110823325B (en) | Leak-proof water meter calibrating installation | |
| CN108279092A (en) | Air-tightness detection device, system and detection method | |
| CN105547612A (en) | Transformer leakage testing device | |
| CN201130079Y (en) | Seal pipeline air tightness detecting device | |
| CN219829986U (en) | Plug-in electromagnetic flowmeter | |
| CN210119330U (en) | Water pressure detects airtight device that leaks hunting | |
| CN212963864U (en) | Cylinder wall temperature sensor leakproofness detection device | |
| CN213696939U (en) | Bladder pressure measuring's connecting device | |
| CN207515986U (en) | A kind of oil tank for oil immersion type transformer leakage testing device | |
| CN212110504U (en) | Automobile air inlet pipe test device | |
| CN207487910U (en) | Portable liquified gas steel cylinder gas leak detection device | |
| CN210293585U (en) | Be used for natural gas valve seal gas leakage detection device | |
| CN202928764U (en) | Apparatus for detecting the tightness of cross-over pipe of gas pipeline | |
| CN208171507U (en) | A kind of portable gas pressure test device | |
| JP6009696B2 (en) | Pressure indicator | |
| CN201589691U (en) | Device for detecting air tightness | |
| CN216410563U (en) | Be used for pipeline to detect with pneumatic sensor | |
| CN211449953U (en) | Improved generation gas filled joint | |
| CN208907850U (en) | Device for detecting airtightness of corrugated tube | |
| CN217637485U (en) | Plug-in type bar flowmeter | |
| CN214621627U (en) | Portable air tightness detector | |
| CN213779377U (en) | A just, tear joint open for manometer examination | |
| CN211317897U (en) | Static water tank for collecting gas on surface of water body | |
| CN204286671U (en) | Ethylene oxide device loading catalyst pressure difference test meter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220809 Address after: 221000 05 Huijin Road, Temple Industrial Park, Xuzhou Economic Development Zone, Jiangsu Patentee after: Wang Hualiang Address before: 221000 05 Huijin Road, Temple Industrial Park, Xuzhou Economic Development Zone, Jiangsu Patentee before: XUZHOU RUNWU SCIENCE AND TECHNOLOGY DEVELOPMENT Co.,Ltd. |