CN113008443A - Structure for preventing detection substance from being brought out of pressure transmitter and using method - Google Patents
Structure for preventing detection substance from being brought out of pressure transmitter and using method Download PDFInfo
- Publication number
- CN113008443A CN113008443A CN202110138004.6A CN202110138004A CN113008443A CN 113008443 A CN113008443 A CN 113008443A CN 202110138004 A CN202110138004 A CN 202110138004A CN 113008443 A CN113008443 A CN 113008443A
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- CN
- China
- Prior art keywords
- strip
- angle
- pressure transmitter
- oil
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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
- G01L19/0007—Fluidic connecting means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15D—FLUID DYNAMICS, i.e. METHODS OR MEANS FOR INFLUENCING THE FLOW OF GASES OR LIQUIDS
- F15D1/00—Influencing flow of fluids
- F15D1/02—Influencing flow of fluids in pipes or conduits
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15D—FLUID DYNAMICS, i.e. METHODS OR MEANS FOR INFLUENCING THE FLOW OF GASES OR LIQUIDS
- F15D1/00—Influencing flow of fluids
- F15D1/02—Influencing flow of fluids in pipes or conduits
- F15D1/06—Influencing flow of fluids in pipes or conduits by influencing the boundary layer
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
Abstract
The invention discloses a structure for preventing detection substances from being brought out of a pressure transmitter and a use method thereof, the structure comprises a bracket, a fixed screw and an instrument panel, the fixed screw is in threaded connection with the bracket, the materials to be detected are extruded into an inner cylinder pipeline by external pressure, the forward oil can extrude a flat membrane of the inner cylinder pipeline through a one-way clamping angle, the instrument panel can display detected data, when the detection is finished and a connecting pipe needs to be screwed out through a threaded port, an outer pocket arc can roughly bear the connecting pipe so as to push the connecting pipe inwards, the connecting pipe is separated by an inner isolation ball, when a tightening strip is forced, continuous oil can overflow outwards, a first buckle head of the tightening strip is forced to expand reversely, the tightening strip can firstly contact with an external object so as to force the internal whole body of the tightening pipe to block the flowing oil for a plurality of times, the black oil can be detected completely, when the connecting pipe is screwed out, the residual petroleum flowing reversely is blocked for many times, so that the residual petroleum cannot overflow to the outside.
Description
The invention relates to a divisional application of a structure for preventing detection substances from being brought out of a pressure transmitter, wherein the application date is 2019, 10 and 23, and the application number is CN 201911009080.6.
Technical Field
The invention belongs to the field of pressure instruments and meters, and particularly relates to a structure for preventing a detection substance from being brought out of a pressure transmitter and a using method of the structure.
Background
Its pressure transmitter divides little pass and flat diaphragm type, when needs examine sticky black oil, just need use the flat diaphragm type, can not cause the jam, and uses the back and wash well, in order not to cause the too big change of detection in-process pressure, the mouth of pipe that its links up can not too long, links up through the mode fixed of spiral.
Based on the findings of the inventor, the existing pressure transmitter structure mainly has the following defects, such as:
after the black oil is detected, a little residue is adhered to the flat membrane and the inner wall of the primary inlet, and when the connecting pipe is screwed out in a spiral mode, the oil in the connecting pipe is brought out by the screwing force, moves along the screw thread, and the screw thread is dense, so that the subsequent cleaning is difficult.
Therefore, it is desirable to provide a structure and a method for preventing the detection material from being taken out of the pressure transmitter.
Disclosure of Invention
In order to solve the problem that after the black oil is detected, a little residue is adhered to the flat membrane and the inner wall of the primary inlet, and when the connecting pipe is screwed out in a spiral mode, the oil in the connecting pipe is brought out by the screwing force, moves along the screw thread, and the screw thread is dense, so that subsequent cleaning is difficult.
The invention relates to a structure for preventing a detection substance from being brought out of a pressure transmitter and an application method thereof, and the purpose and the effect are achieved by the following specific technical means:
the structure of the device comprises a bracket, a fixing screw, an instrument panel and a connecting irrigation pipe.
The fixing screw is in threaded connection with the bracket, an instrument panel is mounted on the upper surface of the bracket, and the instrument panel is connected with the linking irrigation pipe.
The linking irrigation pipe comprises a one-way clamping angle, an outer pocket shell, a flat diaphragm, an inner barrel pipeline and a threaded opening, the one-way clamping angle is installed on the inner wall of the outer pocket shell, the inner barrel pipeline penetrates through the inner portion of the outer pocket shell, the threaded opening and the outer pocket shell are of an integrated structure, and the flat diaphragm is arranged in the inner barrel pipeline.
As a further improvement of the invention, the unidirectional snap angle comprises an inner fixing groove, an outer expansion push strip, a unidirectional angle, an interlayer and auxiliary spread angles, wherein the outer expansion push strip is connected with the unidirectional angle, the unidirectional angle is arranged on the outer surface of the interlayer, the inner fixing groove is embedded in the interlayer, the auxiliary spread angles are attached to the outer surface of the interlayer, the number of the auxiliary spread angles is three, and the unidirectional angle is made of rubber materials and has certain elasticity.
As a further improvement of the invention, the flat membrane comprises a direction-assisting surface, a tightening strip, a forward included angle, a fixed piece block and a forward strip, wherein the direction-assisting surface is attached to the outer surface of the fixed piece block, the tightening strip is abutted to the outer surface of the forward included angle, the forward strip is arranged on the side of the fixed piece block, the direction-assisting surface is provided with three layers, and the forward strip is made of rubber materials and has certain flexibility.
As a further improvement of the invention, the auxiliary angle of spread comprises an outer fixing layer, a reverse pocket block, an inverted buckle, a first buckle head, a pocket expanding opening and three angle of spread, the angle of spread is connected with the outer fixing layer, one end of the angle of spread, which is far away from the outer fixing layer, is connected with the reverse pocket block, the first buckle head is arranged on the lateral side of the pocket expanding opening, the inverted buckle is attached to the outer surface of the pocket expanding opening, the pocket expanding opening is of an arc structure, and the number of the angle of spread is three.
As a further improvement of the invention, the outer expansion push strip comprises an outer pocket arc, fixed angles, a tight bend strip and inner partition balls, the inner partition balls are arranged between the outer pocket arc and the tight bend strip, the fixed angles are arranged above the tight bend strip, the inner partition balls are of a spherical structure, the outer pocket arc is of a semi-arc structure, and the number of the fixed angles is two.
As a further improvement of the invention, the stretching strip comprises an ellipse supporting body and a node spreading strip, wherein the ellipse supporting body is embedded in the node spreading strip and is of an elliptical structure.
Compared with the prior art, the invention has the following beneficial effects:
the materials to be detected are extruded into the inner cylinder pipeline by external pressure, the consequent oil can extrude the flat membrane of the inner cylinder pipeline by a one-way clamping angle, the consequent strip can be stressed and expanded in a consequent way, the consequent impulse can be smoothly bent and pulled, the consequent included angle can be bent, the oil can smoothly pass through the other side, the instrument panel can display the detected data, when the detection is finished, the linking pipe needs to be screwed out by a threaded port, an outer pocket arc can roughly bear the force to hold the linking pipe so as to push the linking pipe inwards, the linking pipe is separated by an inner spacer ball, when the tightening strip is stressed, the continuous oil overflows outwards, the first buckle head of the linking pipe is stressed by flowing force and expands in a reverse direction, the linking pipe can firstly contact with external objects, the linking pipe can apply force to the whole inner part, the flowing oil is blocked for multiple times, the black oil can be detected, when the connecting pipe is screwed out, the residual petroleum flowing reversely is blocked for many times, so that the residual petroleum cannot overflow to the outside.
Drawings
FIG. 1 is a schematic structural diagram of a structure for preventing a detection substance from being brought out of a pressure transmitter and a method for using the same according to the present invention.
FIG. 2 is a schematic view of a front view of an inner structure of a connecting irrigation pipe according to the present invention.
Fig. 3 is a schematic front view of an internal structure of a one-way card corner according to the present invention.
FIG. 4 is a schematic front view of the inner structure of a flat membrane of the present invention.
Fig. 5 is a schematic front view of an auxiliary angular spread of the present invention.
FIG. 6 is a schematic view of the front view of the inner structure of the outer expansion push rod of the present invention.
Fig. 7 is a front view of the internal structure of the flexing strip of the present invention.
In the figure: bracket-11, fixing screw-22, gauge panel-33, connecting irrigation pipe-44, unidirectional snap-angle-aa 1, outer pocket shell-aa 2, flat diaphragm-aa 3, inner cylinder pipeline-aa 4, threaded port-aa 5, inner fixing groove-tt 01, outer expansion push strip-tt 02, unidirectional angle-tt 03, interlayer-tt 04, auxiliary expansion angle-tt 05, auxiliary facing surface-mm 1, tightening strip-mm 2, forward included angle-mm 3, fixing piece-mm 4, forward strip-mm 5, outer fixing layer-a 1a, reverse pocket piece-a 2a, reverse buckle-a 3a, first buckle head-a 4a, expansion mouth-a 5a, folding angle-a 6a, outer arc-36ab 72, tightening angle-a, curved strip-a, inner partition ball-a, elliptic support gg-ab 72 and elliptic joint a-gg-g-a.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
example (b):
as shown in figures 1 to 7:
the invention provides a structure for preventing detection substances from being brought out of a pressure transmitter and a using method thereof.
The fixing screw 22 is in threaded connection with the bracket 11, an instrument panel 33 is mounted on the upper surface of the bracket 11, and the instrument panel 33 is connected with the connecting irrigation pipe 44.
The connection irrigation pipe 44 comprises a one-way snap angle aa1, an outer pocket shell aa2, a flat diaphragm aa3, an inner tube pipeline aa4 and a threaded port aa5, wherein the one-way snap angle aa1 is mounted on the inner wall of the outer pocket shell aa2, the inner tube pipeline aa4 penetrates through the inner portion of the outer pocket shell aa2, the threaded port aa5 and the outer pocket shell aa2 are of an integrated structure, and the flat diaphragm aa3 is arranged inside the inner tube pipeline aa 4.
The one-way card angle aa1 comprises an inner fixing groove tt01, an outer expansion push strip tt02, a one-way angle tt03, a partition layer tt04 and an auxiliary spread angle tt05, the outer expansion push strip tt02 is connected with the one-way angle tt03, the one-way angle tt03 is installed on the outer surface of the partition layer tt04, the inner fixing groove tt01 is embedded in the partition layer tt04, the auxiliary spread angle tt05 is attached to the outer surface of the partition layer tt04, the number of the auxiliary spread angles tt05 is three, the one-way angle tt03 is made of rubber materials and has certain elasticity, the one-way angle tt03 can provide a certain stress point to the connection part, the stress point cannot be pulled excessively, the outer expansion push strip tt02 generates certain required deformation according to the force born by the outside, and the inner fixing groove tt01 limits the movable range.
The flat membrane aa3 comprises a guide-assisting surface mm1, a stretching strip mm2, a forward included angle mm3, a fixed piece mm4 and a smooth strip mm5, the guide-assisting surface mm1 is attached to the outer surface of the fixed piece mm4, the stretching strip mm2 abuts against the outer surface of the forward included angle mm3, the smooth strip mm5 is arranged on the side of the fixed piece mm4, three layers of guide-assisting surfaces mm1 are arranged, the smooth strip mm5 is made of rubber materials and has certain flexibility, the smooth strip mm5 can enable forward impact force to smoothly bend and pull, the stretching strip mm2 can abut against a connecting part under the condition of certain force, the smooth included angle 3 prevents the connecting part from excessively swinging, and the guide-assisting surface mm1 enables the smooth movement of the forward force.
The auxiliary expansion angle tt05 comprises an outer fixed layer a1a, reverse pocket blocks a2a, an inverted buckle a3a, a first buckle head a4a, an expansion opening a5a and an expansion angle a6a, the expansion angle a6a is connected with the outer fixed layer a1a, one end, away from the outer fixed layer a1a, of the expansion angle a6a is connected with the reverse pocket blocks a2a, the first buckle head a4a is arranged on the lateral side of the expansion opening a5a, the inverted buckle a3a is attached to the outer surface of the expansion opening a5a, the expansion opening a5a is of an arc-shaped structure, the three expansion angles a6a are arranged, the first buckle head a4a can firstly contact with an external object to apply force to the whole inner portion, the expansion opening a5a can hold approximate reverse force, and the inverted buckle a3a enables the object to move smoothly.
The outer expansion push strip tt02 comprises an outer pocket arc ab1, fixed angles ab2, a stretching strip ab3 and inner partition balls ab4, wherein the inner partition balls ab4 are installed between an outer pocket arc ab1 and a stretching strip ab3, fixed angles ab2 are arranged above the stretching strip ab3, the inner partition balls ab4 are of a sphere structure, the outer pocket arc ab1 is of a semi-arc structure, the fixed angles ab2 are two, the fixed angles ab2 can fix stress points at two ends, the joint parts of the fixed angles are better stressed and pulled, the outer pocket arc ab1 can more omni-directionally hold the force transmitted outside, and the inner partition balls 4 give the whole body a certain position and orientation.
The stretching strip ab3 comprises an ellipse supporting body ggg1 and a node stretching strip ggg2, wherein the ellipse supporting body ggg1 is embedded in the node stretching strip ggg2, the ellipse supporting body ggg1 is of an elliptical structure, the ellipse supporting body ggg1 can play a role in protection and limitation when an external connection part is pulled by stress, and the node stretching strip ggg2 generates certain deformation according to the force applied to the outside.
The specific use mode and function of the embodiment are as follows:
in the invention, a bracket 11 is fixed at a designated position, a jointed pipeline is screwed into a jointed irrigation pipe 44 to be connected with a threaded port aa5, a material to be detected is extruded into an inner cylinder pipeline aa4 by external pressure, forward oil can extrude a flat membrane aa3 by a one-way clamping angle aa1, the forward strip mm5 is stressed and unfolded along the trend, the oil is impacted along a direction-assisting surface mm1, a stretching strip mm2 is bent, the forward strip mm3 is bent, the oil can smoothly pass through and irrigate to the other side, an instrument panel 33 displays detected data, when the jointed pipe needs to be screwed out through the threaded port aa5 after detection is finished, residual oil placed in the inner cylinder pipeline aa4 flows along the opposite direction, the residual oil is firstly pressed against the outward-expanding pushing strip tt02, and an outer pocket arc 1 roughly bears the force on the jointed pipe, therefore, the oil is pushed inwards and separated by the inner separation balls ab4, when the stretching strip ab3 is stressed, the stretching strip ab3 can be fixed by the fixed angle ab2, the node stretching strip ggg2 is pulled, the inner ellipse supporting body ggg1 plays a protective buffering role, when the outer expansion pushing strip tt02 is bent and is full of the inner fixed groove tt01, continuous oil overflows outwards, the first buckle head a4a behind the separation layer tt04 is propped against for the second time, the first buckle head a4a is stressed by flowing force and is unfolded reversely, the reverse buckle a3a can flow into the expansion inlet a5a smoothly, the reverse pocket block a2a can swing smoothly to test the pressure of the folding angle a6a, the reverse block a2a can be unfolded for a certain angle, and the flowing oil is blocked for multiple times.
The technical solutions of the present invention or similar technical solutions designed by those skilled in the art based on the teachings of the technical solutions of the present invention are all within the scope of the present invention to achieve the above technical effects.
Claims (5)
1. The utility model provides a pressure transmitter prevention detection material takes out structure, its structure includes bracket (11), set screw (22), panel board (33), links up irritates pipe (44), its characterized in that:
the fixing screw (22) is in threaded connection with the bracket (11), an instrument panel (33) is mounted on the upper surface of the bracket (11), and the instrument panel (33) is connected with the linking irrigation pipe (44);
the connection irrigation pipe (44) comprises a one-way snap corner (aa1), an outer pocket shell (aa2), a flat diaphragm (aa3), an inner barrel pipeline (aa4) and a threaded port (aa5), wherein the one-way snap corner (aa1) is installed on the inner wall of the outer pocket shell (aa2), the inner barrel pipeline (aa4) penetrates through the inner portion of the outer pocket shell (aa2), the threaded port (aa5) and the outer pocket shell (aa2) are of an integrated structure, and the flat diaphragm (aa3) is arranged in the inner barrel pipeline (aa 4);
the unidirectional snap corner (aa1) comprises an inner fixing groove (tt01), an outer expansion push strip (tt02), a unidirectional corner (tt03), a partition layer (tt04) and an auxiliary flare angle (tt05), the outer expansion push strip (tt02) is connected with the unidirectional corner (tt03), the unidirectional corner (tt03) is installed on the outer surface of the partition layer (tt04), the inner fixing groove (tt01) is embedded in the partition layer (tt04), and the auxiliary flare angle (tt05) is attached to the outer surface of the partition layer (tt 04).
2. The pressure transmitter carry-over prevention structure of a pressure transmitter of claim 1, wherein: the flat membrane (aa3) comprises a steering surface (mm1), stretching strips (mm2), a forward included angle (mm3), a fixed piece (mm4) and forward strips (mm5), wherein the steering surface (mm1) is attached to the outer surface of the fixed piece (mm4), the stretching strips (mm2) abut against the outer surface of the forward included angle (mm3), and the forward strips (mm5) are arranged on the side of the fixed piece (mm 4).
3. The pressure transmitter carry-over prevention structure of a pressure transmitter of claim 1, wherein: supplementary exhibition angle (tt05) includes outer solid layer (a1a), reverse pocket piece (a2a), back-off (a3a), first buckle head (a4a), expands pocket mouth (a5a), folding angle (a6a), folding angle (a6a) is connected with outer solid layer (a1a), the one end that outer solid layer (a1a) was kept away from in folding angle (a6a) is connected with reverse pocket piece (a2a), first buckle head (a4a) is located and is expanded pocket mouth (a5a) side, it has back-off (a3a) to expand pocket mouth (a5a) surface laminating.
4. The pressure transmitter carry-over prevention structure of a pressure transmitter of claim 1, wherein: the outer expansion push strip (tt02) comprises an outer pocket arc (ab1), a fixed angle (ab2), a buckling strip (ab3) and an inner separation ball (ab4), wherein the inner separation ball (ab4) is arranged between the outer pocket arc (ab1) and the buckling strip (ab3), and the fixed angle (ab2) is arranged above the buckling strip (ab 3).
5. The pressure transmitter carry-over prevention detection substance structure and the use method thereof according to any one of claims 1 to 4, characterized in that:
fixing a bracket (11) at a designated position, screwing the jointed pipeline into the jointed tank (44) to be connected with a threaded port (aa5), extruding a material to be detected into the inner cylinder pipeline (aa4) through external pressure, extruding the smooth oil of the pipeline through a one-way clamping angle (aa1) to a flat membrane (aa3), applying force to a smooth strip (mm5) to stretch the smooth strip along the force of a guide surface (mm1), bending a stretching strip (mm2) to bend the smooth strip (mm3) to ensure that the oil can smoothly pass through the smooth strip and be poured to the other side, and displaying the detected data by an instrument panel (33);
after the detection is finished, when the connection pipe needs to be screwed out through the threaded port (aa5), residual oil in the inner cylinder pipeline (aa4) flows in the forward direction and the backward direction, the residual oil is firstly resisted by the outer expansion push bar (tt02), an outer pocket arc (ab1) carries out approximate stress holding on the residual oil, so that the residual oil is pushed inwards and is separated by the inner partition ball (ab4), when the stretching bar (ab3) bears force, the residual oil is fixed by the fixed angle (ab2), the node stretching bar (ggg2) is pulled, and the inner ellipse supporting body (ggg1) plays a protective buffering role;
when the outer expansion push strip (tt02) is bent and is full of the inner fixed groove (tt01), continuous oil overflows outwards, the first buckle head (a4a) behind the interlayer (tt04) is propped against the inner buckle head for the second time, the first buckle head (a4a) is forced to flow and is unfolded reversely, the reverse buckle head (a3a) can flow into the inner part of the expansion inlet (a5a) smoothly, the reverse pocket block (a2a) can swing smoothly to carry out pressure test on the folding angle (a6a), the reverse pocket block (a2a) can be unfolded to a certain angle, and the flowing oil is blocked for multiple times.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110138004.6A CN113008443A (en) | 2019-10-23 | 2019-10-23 | Structure for preventing detection substance from being brought out of pressure transmitter and using method |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110138004.6A CN113008443A (en) | 2019-10-23 | 2019-10-23 | Structure for preventing detection substance from being brought out of pressure transmitter and using method |
| CN201911009080.6A CN110579309B (en) | 2019-10-23 | 2019-10-23 | Structure for preventing detection substance from being brought out of pressure transmitter |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911009080.6A Division CN110579309B (en) | 2019-10-23 | 2019-10-23 | Structure for preventing detection substance from being brought out of pressure transmitter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113008443A true CN113008443A (en) | 2021-06-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911009080.6A Active CN110579309B (en) | 2019-10-23 | 2019-10-23 | Structure for preventing detection substance from being brought out of pressure transmitter |
| CN202110138004.6A Withdrawn CN113008443A (en) | 2019-10-23 | 2019-10-23 | Structure for preventing detection substance from being brought out of pressure transmitter and using method |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911009080.6A Active CN110579309B (en) | 2019-10-23 | 2019-10-23 | Structure for preventing detection substance from being brought out of pressure transmitter |
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| CN (2) | CN110579309B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111207811B (en) * | 2020-01-10 | 2021-06-22 | 刘小杰 | Pressure sensing calibration system for measuring water level of culture pond |
Family Cites Families (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2283249Y (en) * | 1995-05-25 | 1998-06-03 | 袁宝平 | Fire-fighting water pressure test instrument |
| TW354371B (en) * | 1997-01-09 | 1999-03-11 | Peter B Hutton | A module valve manifold, a valve module and an integral valve manifold/differential pressure transducer/differential pressure transmitter |
| DE102004031500B4 (en) * | 2004-06-30 | 2006-11-16 | Daimlerchrysler Ag | Insulating body for the thermal insulation of a pipeline or a pipeline system |
| DE102005052517B4 (en) * | 2005-11-03 | 2010-01-21 | Schwing Gmbh | Pipe coupling with a sealing ring and piping system for the conveyance of thick materials |
| GB2460912B (en) * | 2008-06-19 | 2010-12-22 | Crane Ltd | An annular gasket |
| KR20130002660U (en) * | 2011-10-25 | 2013-05-03 | 주성현 | Sight glass for fluid confirmation |
| CN202442038U (en) * | 2012-02-29 | 2012-09-19 | 重庆渝通机械有限公司 | High-sealing and high-strength connecting hose connector |
| CN104344103A (en) * | 2013-08-08 | 2015-02-11 | 常州市武进华能电力辅机有限公司 | Inverted tooth gravel conveying pipe |
| CN205264016U (en) * | 2015-12-25 | 2016-05-25 | 北京高和石油技术有限公司 | Superpressure active protection of electrical heating oil well and autoalarm |
| CN205479777U (en) * | 2016-01-30 | 2016-08-17 | 江苏迪欧姆股份有限公司 | Cold drawing precision welded steel tube for auto -parts |
| CN206707795U (en) * | 2017-03-31 | 2017-12-05 | 浙江义利汽车零部件有限公司 | Oil sump oil baffle plate structure and oil pan assembly |
| CN208595318U (en) * | 2018-06-25 | 2019-03-12 | 江苏迪威高压科技股份有限公司 | A kind of modified anti-return pipeline |
| CN209278696U (en) * | 2018-08-21 | 2019-08-20 | 武汉市泰洲塑胶有限公司 | A kind of anti-return three-way connection |
| CN208670424U (en) * | 2018-09-06 | 2019-03-29 | 祝霄 | A kind of fluid line anti-backflow device |
| CN109488821B (en) * | 2018-10-30 | 2020-10-27 | 江苏赛弗道管道股份有限公司 | Fluid conveying pipeline |
| CN110102781A (en) * | 2019-04-23 | 2019-08-09 | 阮斌 | A kind of numerically-controlled machine tool viscous bits detection system of electro spindle |
-
2019
- 2019-10-23 CN CN201911009080.6A patent/CN110579309B/en active Active
- 2019-10-23 CN CN202110138004.6A patent/CN113008443A/en not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| CN110579309B (en) | 2021-05-07 |
| CN110579309A (en) | 2019-12-17 |
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210622 |
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