CN114136705A - Nonrust steel pipe with sample detection function - Google Patents
Nonrust steel pipe with sample detection function Download PDFInfo
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- CN114136705A CN114136705A CN202111413833.7A CN202111413833A CN114136705A CN 114136705 A CN114136705 A CN 114136705A CN 202111413833 A CN202111413833 A CN 202111413833A CN 114136705 A CN114136705 A CN 114136705A
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- unit
- sampling
- annular
- annular flange
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
Abstract
The application discloses a stainless steel pipe with a sampling detection function, which comprises a pipe body, an end fixing unit, a clamping unit and a locking unit, wherein the pipe body is also provided with a first sampling through hole; the end fixing unit comprises an end flange, a first circular cylindrical part and a second circular cylindrical part; the clamping unit comprises two cambered surface-shaped wrapping units, the two wrapping units are fastened through bolts and nuts, a sampling unit is arranged at one wrapping unit, the sampling unit comprises a first annular flange, a second annular flange and a sampling tube, the first annular flange is fixed on the inner side of the wrapping unit, the first annular flange is inserted into the first sampling through hole and the second sampling through hole, the sampling tube is surrounded by the second annular flange, and a valve is arranged at the sampling tube. The stainless steel pipe of this application can be used for the transport of medium to can not harm and take a sample repeatedly, thereby facilitate for the quality control of medium.
Description
Technical Field
The application relates to the field of stainless steel, concretely relates to nonrust steel pipe with sample detection function.
Background
In many industrial equipment, stainless steel pipe is used for fluid medium or gas medium transmission because of having good corrosion resistance and very high intensity, but in long-time transmission process, sometimes exist to carry out sample detection to the medium in the stainless steel pipeline to judge whether the quality of medium meets the requirements, thereby judge whether whole equipment has a trouble, but current stainless steel pipe does not often possess the function of sample when as transportation facility, in addition, if simply through the mode of side trompil sample, can produce irreversible damage to stainless steel pipe, and set up the thief hole simply, can destroy the intensity of stainless steel pipe at thief hole department, and the leakproofness of thief hole needs to be guaranteed.
Disclosure of Invention
The purpose of the invention is as follows: the application aims at overcoming the defects of the prior art and provides the stainless steel pipe with the sampling detection function.
The technical scheme is as follows: a stainless steel pipe with a sampling detection function comprises a pipe body, an end fixing unit, a clamping unit and a locking unit, wherein an annular convex rib is arranged at the outer circumference of the pipe body, and a first sampling through hole is also formed in the pipe body; the end fixing unit comprises an end flange, a first annular cylindrical part fixedly connected with the end flange and capable of being inserted into the end of the pipe body, and a second annular cylindrical part fixedly connected with the end flange and capable of being inserted into the pipe body, wherein a second sampling through hole is formed in the second annular cylindrical part, and a plurality of wedge-shaped blocks are arranged in the first annular cylindrical part; the clamping unit comprises two arc-surface-shaped wrapping units, the two wrapping units are fastened through bolts and nuts, an arc-shaped groove used for accommodating the first annular cylindrical part is formed in the inner side of one end of each wrapping unit, an insertion hole into which the wedge block is inserted is formed in the arc-shaped groove, and external threads are further formed in the outer side of the other end of each wrapping unit; the locking unit is in a circular cylindrical shape and is provided with a first circular groove and a second circular groove communicated with the first circular groove, the second circular groove is positioned at one end, close to the end flange, of the locking unit, the first circular groove is provided with an internal thread matched with the external thread, and the end part of the first circular cylindrical groove is abutted to the circular convex rib; one of them parcel unit department has the sample unit, the sample unit including be fixed in the inboard first annular flange of parcel unit, be fixed in the second annular flange in the parcel unit outside and with the sampling tube that the parcel unit is connected, first annular flange inserts first sample through-hole and second sample through-hole, first annular flange department has the first sealing washer that surrounds first annular flange, and first sealing washer is located between first annular flange and the first sample through-hole, the sampling tube by the second annular flange surrounds, sampling tube department has the valve.
Further, the insertion hole has an abutting inclined surface abutting against the wedge block. Thereby when two parcel units merge centre gripping body, butt inclined plane butt wedge makes the tip of end fixing unit butt body.
The locking unit is connected with a first annular flange, a second annular flange is arranged at the end part of the locking unit, and the end part of the locking unit close to the end part flange is provided with a rubber cover capable of covering the second annular flange; the sampling unit further comprises a third annular flange fixed on the outer side of the wrapping unit and surrounding the second annular flange; the both sides of clamp plate have first bar slot, the both sides of third annular flange have second bar slot, spacing unit is the U-shaped, including two arms and the connecting strip of connecting two arms, the arm have with first bar slot complex first bar picture peg and with second bar slot complex second bar picture peg.
Preferably, the internal thread and the external thread are designed in such a way that when the internal thread and the external thread are screwed, the pressing plate is just positioned at the rubber cover to press the rubber cover. The first strip-shaped inserting plate, the second strip-shaped inserting plate, the first strip-shaped inserting groove and the second strip-shaped inserting groove are all arc-surface-shaped, the width of the first strip-shaped inserting plate is smaller than that of the first strip-shaped inserting groove, the width of the second strip-shaped inserting plate is smaller than that of the second strip-shaped inserting groove, and therefore the first strip-shaped inserting plate is inserted into the first strip-shaped inserting groove, and certain error tolerance is achieved when the second strip-shaped inserting plate is inserted into the second strip-shaped inserting groove.
Furthermore, the connecting strip, the two arms, the two first strip-shaped inserting plates and the two second strip-shaped inserting plates of the limiting unit are integrally formed and are all made of engineering plastics. Engineering plastics are integrated and have lower cost, and the working of plastics has certain elasticity for the clamp plate compresses tightly more closely to the rubber lid.
Further, there are 2 sampling pipes, and the valve is a manual valve.
By designing two sampling tubes, it is possible to sample twice at the same time, and one is damaged, and the other can be used. In addition, the sampling tube is short in length and has a tip lower than the tip of the second annular flange.
Furthermore, a plurality of bar-shaped reinforcing ribs are connected between the pressing plate and the locking unit.
Thereby increasing the strength of the connection between the locking unit and the pressure plate.
Furthermore, strip-shaped convex edges are arranged on two sides of the wrapping unit, and counter bores are formed in the strip-shaped convex edges; two parcel units are first parcel unit and second parcel unit respectively, two bar chimbs of first parcel unit and two bar chimbs one-to-one of second parcel unit, and through bolt and nut fixed connection.
Further, the sampling unit is located at the first wrapping unit.
Furthermore, the number of the counter bores on the single strip-shaped convex edge is more than or equal to 5, and the counter bores on the same strip-shaped convex edge are distributed at equal intervals. Thereby realizing the tighter locking of the two wrapping units.
Further, the inner side of the wrapping unit is provided with a first elastic gasket and a second elastic gasket, and the first elastic gasket and the second elastic gasket are positioned on two sides of the first sampling through hole.
Thereby make between the lateral wall of parcel unit and body butt fastening effect better.
Further, the outer diameter of the second annular cylindrical part is equal to the inner diameter of the pipe body, the inner diameter of the first annular cylindrical part is equal to the outer diameter of the pipe body, and a second sealing ring abutting against the end part of the pipe body is arranged between the first annular cylindrical part and the second annular cylindrical part.
Further, the end fixing unit, the locking unit and the two wrapping units are all made of metal materials; the profiles of the first sampling through hole and the second sampling through hole respectively comprise two opposite and parallel straight lines and two opposite arc lines; the first, second and third annular flanges each include two opposing and parallel linear flanges and two opposing arcuate flanges.
Furthermore, the number of the wedge blocks of the first circular cylindrical part is more than or equal to 6, and the wedge blocks of the first circular cylindrical part are distributed in an annular shape at equal intervals; the number of the jacks at the two wrapping units is equal; the sum of the number of the insertion holes of the two wrapping units is equal to the number of the wedge blocks of the first circular cylindrical part.
Has the advantages that: the application discloses nonrust steel pipe is through end fixing unit, centre gripping unit and the unit of locking to the tip formation protection to nonrust steel pipe on the one hand makes nonrust steel pipe's tip non-deformable. On the other hand, because one of them parcel unit department has the sample unit to can carry out sample test to the transportation medium in the stainless steel pipe through this sample unit, thereby for the maintenance of subsequent pipeline, provide very big facility.
Drawings
FIG. 1 is a schematic view of a stainless steel tube from a first perspective;
FIG. 2 is a second perspective view of a stainless steel tube;
FIG. 3 is a schematic diagram of a stainless steel pipe part taken apart from a first view;
FIG. 4 is a schematic diagram of a stainless steel pipe part taken apart from a second perspective;
FIG. 5 is a third perspective view of a stainless steel tube part;
fig. 6 is a fourth view of the stainless steel tube component.
Detailed Description
Reference numerals: 1, a pipe body; 1.1 circular convex ribs; 1.3 a first sampling through hole; 2 locking unit; 2.1 a first circular groove; 2.2 a second circular groove; 2.3 pressing plates; 2.4 first bar slot; 2.5 strip-shaped reinforcing ribs; 3, a limiting unit; 3.1 connecting strips; 3.2 arms; 3.2.1 a first strip insert plate; 3.2.2 second strip-shaped plug boards; 4.1 end flanges; 4.2 installing through holes on the flange; 4.3 a first annular cylindrical portion; 4.4 wedge-shaped blocks; 4.5 second annular cylindrical portion; 4.6 second sampling through hole; 5.1 arc-shaped grooves; 5.2 wrapping the unit; 5.3 a first resilient pad; 5.4 second elastic pad; 5.5 inserting holes; 5.6 strip-shaped convex edges; 5.7 counter bores; 5.8 external threads; 6.1 a second annular flange; 6.2 sampling tube; 6.3 a valve; 6.4 rubber cover; 6.5 third annular flange; 6.6 second strip slot; 6.7 first annular flange.
As shown in the figure: a stainless steel pipe with a sampling detection function comprises a pipe body 1, an end fixing unit, a clamping unit and a locking unit, wherein an annular convex rib 1.1 is arranged at the outer circumference of the pipe body 1, and a first sampling through hole 1.3 is also arranged at the pipe body 1; the end fixing unit comprises an end flange 4.1, a first circular cylindrical part 4.3 fixedly connected with the end flange 4.1 and capable of being inserted into the end of the pipe body 1, and a second circular cylindrical part 4.5 fixedly connected with the end flange 4.1 and capable of being inserted into the pipe body 1, wherein a second sampling through hole 4.6 is formed in the second circular cylindrical part 4.5, and a plurality of wedge blocks 4.4 are arranged at the first circular cylindrical part 4.3; the clamping unit comprises two arc-surface-shaped wrapping units 5.2, the two wrapping units 5.2 are fastened through bolts and nuts, an arc-shaped groove 5.1 used for accommodating the first annular cylindrical part 4.3 is formed in the inner side of one end of each wrapping unit 5.2, an insertion hole 5.5 inserted by the wedge-shaped block 4.4 is formed in the position of each arc-shaped groove 5.1, the insertion hole 5.5 is provided with an abutting inclined plane abutted against the wedge-shaped block 4.4, and an external thread 5.8 is further formed in the outer side of the other end of each wrapping unit 5.2; the locking unit 2 is in a circular cylindrical shape, the locking unit 2 is provided with a first circular groove 2.1 and a second circular groove 2.2 communicated with the first circular groove 2.1, the second circular groove 2.2 is positioned at one end of the locking unit 2 close to an end flange 4.1, the first circular groove 2.1 is provided with an internal thread matched with the external thread 5.8, and the end part of the first circular cylindrical groove 2.1 is abutted to the circular convex rib 1.1; one of them parcel unit 5.2 department has the sample cell, the sample cell including be fixed in the inboard first annular flange of parcel unit 5.2, be fixed in the second annular flange 6.1 in the parcel unit 5.2 outside and with the sampling tube 6.2 that parcel unit 5.2 is connected, first annular flange inserts first sample through-hole 4.6 and second sample through-hole 1.3, first annular flange is located first annular flange and first sample through-hole 1.3, first sealing washer, sampling tube 6.2 by second annular flange 6.1 surrounds, sampling tube 6.2 department has valve 6.3. In addition, the locking device also comprises a limiting unit, one end of the locking unit 2, which is close to the end flange 4.1, is also connected with a pressing plate 2.3, a rubber cover 6.4 capable of covering the second annular flange 6.1 is arranged at the second annular flange 6.1, and the pressing plate 2.3 is abutted to and presses the rubber cover 6.4; the sampling unit further comprises a third annular flange 6.5 fixed outside the wrapping unit 5.2 and surrounding the second annular flange 6.1; the both sides of clamp plate 2.3 have first bar slot 2.4, the both sides of third annular flange 6.5 have second bar slot 6.6, spacing unit 3 is the U-shaped, including two arms 3.2 and connect the connecting strip 3.1 of two arms 3.2, arm 3.2 have with first bar slot 2.4 complex first bar picture peg 3.2.1 and with second bar slot 6.6 complex second bar picture peg 3.2.2.
The connecting strip 3.1, the two arms 3.2, the two first strip-shaped inserting plates 3.2.1 and the two second strip-shaped inserting plates 3.2.2 of the limiting unit 3 are integrally formed and are made of engineering plastics. There are 2 sampling tubes 6.2, and the valve 6.3 is a manual valve. And a plurality of bar-shaped reinforcing ribs 2.5 are connected between the pressing plate 2.3 and the locking unit 2. Two sides of the wrapping unit 5.2 are provided with strip-shaped convex edges 5.6, and counter bores 5.7 are formed in the strip-shaped convex edges 5.6; two parcel units 5.2 are first parcel unit and second parcel unit respectively, and two bar chimbs 5.6 of first parcel unit and two bar chimbs 5.6 one-to-one of second parcel unit just pass through bolt and nut fixed connection. The inner side of the wrapping unit 5.2 is provided with a first elastic gasket 5.3 and a second elastic gasket 5.4, and the first elastic gasket 5.3 and the second elastic gasket 5.4 are positioned at two sides of the first sampling through hole 1.3. The external diameter of second ring cylindricality portion 4.5 equals the internal diameter of body 1, the internal diameter of first ring cylindricality portion 4.3 equals the external diameter of body 1, have the second sealing washer of butt body 1 tip between first ring cylindricality portion 4.3 and the second ring cylindricality portion 4.5. The end fixing unit, the locking unit 2 and the two wrapping units 5.2 are all made of metal materials; the profiles of the first sampling through hole 1.3 and the second sampling through hole 4.6 each comprise two opposite and parallel straight lines and two opposite arc lines; the first, second and third annular flanges 6.1, 6.5 each comprise two opposite and parallel rectilinear flanges and two opposite arcuate flanges. The number of the wedge blocks 4.4 of the first circular cylindrical part 4.3 is more than or equal to 6, and the wedge blocks 4.4 of the first circular cylindrical part 4.3 are distributed in an annular shape at equal intervals; the number of the jacks 5.5 at the two wrapping units 5.2 is equal; the sum of the number of receptacles 5.5 of the two wrapping units 5.2 is equal to the number of wedges 4.4 of said first annular cylindrical portion 4.3.
As shown in figures 1-5, the nonrust steel pipe of this application, owing to designed end fixing unit, the unit of centre gripping and locking, under the cooperation of screwing of internal thread and external screw thread, because the unit of locking receives the spacing of the protruding muscle of ring shape, at the in-process of screwing, can make the direction removal of the tight unit of clamp to the protruding muscle of ring shape that two parcel units are constituteed to the second sealing washer that drives end fixing unit supports the tip of tight nonrust steel pipe, thereby realizes sealing between tip flange and the nonrust steel pipe. More importantly, first parcel unit department has the sample cell to first annular flange inserts first sample through-hole and second sample through-hole, and the first sealing washer at first annular flange department supports tightly first sample through-hole and second sample through-hole, thereby realizes first annular flange and first, sealed between the two sample through-holes, and because first annular flange inserts first, two sample through-holes, thereby protect first, two sample through-holes, first, two sample through-holes non-deformable. And the second annular flange has a sampling tube thereon so that the sampling tube can open the valve for sampling. And the rubber lid realizes realizing secondary seal to the second annular flange under the compressing tightly of clamp plate, even if valve department breaks down and leaks a bit, also sealed by the rubber lid. And the limiting unit is used for further limiting and pressing the space between the pressing plate and the third annular flange for protection. Further protecting the stability of the stainless steel tube sampling unit. The stainless steel pipe of this application can carry out the sample repeatedly many times of not damaged.
While the invention has been shown and described with respect to the preferred embodiments, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the scope of the invention as defined in the following claims.
Claims (10)
1. A stainless steel pipe with a sampling detection function is characterized by comprising a pipe body, an end fixing unit, a clamping unit and a locking unit, wherein an annular convex rib is arranged at the outer circumference of the pipe body, and a first sampling through hole is also formed in the pipe body; the end fixing unit comprises an end flange, a first annular cylindrical part fixedly connected with the end flange and capable of being inserted into the end of the pipe body, and a second annular cylindrical part fixedly connected with the end flange and capable of being inserted into the pipe body, wherein a second sampling through hole is formed in the second annular cylindrical part, and a plurality of wedge-shaped blocks are arranged in the first annular cylindrical part; the clamping unit comprises two arc-surface-shaped wrapping units, the two wrapping units are fastened through bolts and nuts, an arc-shaped groove used for accommodating the first annular cylindrical part is formed in the inner side of one end of each wrapping unit, an insertion hole into which the wedge block is inserted is formed in the arc-shaped groove, the insertion hole is provided with an abutting inclined surface abutted against the wedge block, and an external thread is further formed in the outer side of the other end of each wrapping unit; the locking unit is in a circular cylindrical shape and is provided with a first circular groove and a second circular groove communicated with the first circular groove, the second circular groove is positioned at one end, close to the end flange, of the locking unit, the first circular groove is provided with an internal thread matched with the external thread, and the end part of the first circular cylindrical groove is abutted to the circular convex rib; one of them parcel unit department has the sample unit, the sample unit including be fixed in the inboard first annular flange of parcel unit, be fixed in the second annular flange in the parcel unit outside and with the sampling tube that the parcel unit is connected, first annular flange inserts first sample through-hole and second sample through-hole, first annular flange department has the first sealing washer that surrounds first annular flange, and first sealing washer is located between first annular flange and the first sample through-hole, the sampling tube by the second annular flange surrounds, sampling tube department has the valve.
2. The stainless steel pipe with the sampling detection function according to claim 1, further comprising a limiting unit, wherein a pressing plate is further connected to one end of the locking unit close to the end flange, a rubber cover capable of covering the second annular flange is arranged at the second annular flange, and the pressing plate abuts against and presses the rubber cover; the sampling unit further comprises a third annular flange fixed on the outer side of the wrapping unit and surrounding the second annular flange; the both sides of clamp plate have first bar slot, the both sides of third annular flange have second bar slot, spacing unit is the U-shaped, including two arms and the connecting strip of connecting two arms, the arm have with first bar slot complex first bar picture peg and with second bar slot complex second bar picture peg.
3. The stainless steel tube with the sampling test function according to claim 1, wherein the connection strip, the two arms, the two first strip insertion plates and the two second strip insertion plates of the position limiting unit are integrally formed and are made of engineering plastics.
4. The stainless steel tube with sample detection function as claimed in claim 1, wherein there are 2 sampling tubes and the valve is a manual valve.
5. The stainless steel tube with a sampling test function according to claim 1, wherein a plurality of bar-shaped reinforcing ribs are connected between the pressing plate and the locking unit.
6. The stainless steel pipe with the sampling detection function according to claim 1, wherein the wrapping unit has bar-shaped flanges at both sides thereof, and the bar-shaped flanges have counter bores; two parcel units are first parcel unit and second parcel unit respectively, two bar chimbs of first parcel unit and two bar chimbs one-to-one of second parcel unit, and through bolt and nut fixed connection.
7. The stainless steel pipe with the sampling test function according to claim 1, wherein the inner side of the packing unit has a first elastic washer and a second elastic washer, and the first elastic washer and the second elastic washer are located at both sides of the first sampling through hole.
8. The stainless steel pipe with the sampling detection function according to claim 1, wherein the outer diameter of the second annular cylindrical portion is equal to the inner diameter of the pipe body, the inner diameter of the first annular cylindrical portion is equal to the outer diameter of the pipe body, and a second sealing ring abutting against the end of the pipe body is provided between the first annular cylindrical portion and the second annular cylindrical portion.
9. The stainless steel tube with a sample detection function according to claim 1, wherein the end fixing unit, the locking unit, and the two wrapping units are made of a metal material; the profiles of the first sampling through hole and the second sampling through hole respectively comprise two opposite and parallel straight lines and two opposite arc lines; the first, second and third annular flanges each include two opposing and parallel linear flanges and two opposing arcuate flanges.
10. The stainless steel pipe with the sampling detection function according to claim 1, wherein the number of the wedge blocks of the first annular cylindrical portion is 6 or more, and the wedge blocks of the first annular cylindrical portion are distributed in an annular shape at equal intervals; the number of the jacks at the two wrapping units is equal; the sum of the number of the insertion holes of the two wrapping units is equal to the number of the wedge blocks of the first circular cylindrical part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111413833.7A CN114136705B (en) | 2021-11-25 | 2021-11-25 | Nonrust steel pipe with sample detection function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111413833.7A CN114136705B (en) | 2021-11-25 | 2021-11-25 | Nonrust steel pipe with sample detection function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114136705A true CN114136705A (en) | 2022-03-04 |
| CN114136705B CN114136705B (en) | 2022-09-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111413833.7A Active CN114136705B (en) | 2021-11-25 | 2021-11-25 | Nonrust steel pipe with sample detection function |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20150000779A1 (en) * | 2012-02-06 | 2015-01-01 | Sciteq A/S | End closure device |
| CN210533808U (en) * | 2019-09-10 | 2020-05-15 | 雷涛 | Power station boiler tube seat formula superheated steam sampling device |
| CN111664310A (en) * | 2020-05-28 | 2020-09-15 | 安徽东凯信息科技有限公司 | Be applied to petroleum pipeline coupling mechanism of convenient sample among oil development |
| US20210010622A1 (en) * | 2019-07-09 | 2021-01-14 | Honeywell International Inc. | Universal pipe sleeve junction for an aspirated smoke detection system |
| CN212509842U (en) * | 2020-06-22 | 2021-02-09 | 营口市东建防腐保温工程有限公司 | Real-time sampling thermal insulation pipe |
| CN212621619U (en) * | 2020-05-15 | 2021-02-26 | 江西森森化工有限公司 | Chemical industry sewage discharge detection device |
-
2021
- 2021-11-25 CN CN202111413833.7A patent/CN114136705B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20150000779A1 (en) * | 2012-02-06 | 2015-01-01 | Sciteq A/S | End closure device |
| US20210010622A1 (en) * | 2019-07-09 | 2021-01-14 | Honeywell International Inc. | Universal pipe sleeve junction for an aspirated smoke detection system |
| CN210533808U (en) * | 2019-09-10 | 2020-05-15 | 雷涛 | Power station boiler tube seat formula superheated steam sampling device |
| CN212621619U (en) * | 2020-05-15 | 2021-02-26 | 江西森森化工有限公司 | Chemical industry sewage discharge detection device |
| CN111664310A (en) * | 2020-05-28 | 2020-09-15 | 安徽东凯信息科技有限公司 | Be applied to petroleum pipeline coupling mechanism of convenient sample among oil development |
| CN212509842U (en) * | 2020-06-22 | 2021-02-09 | 营口市东建防腐保温工程有限公司 | Real-time sampling thermal insulation pipe |
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| Publication number | Publication date |
|---|---|
| CN114136705B (en) | 2022-09-13 |
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Effective date of registration: 20230104 Address after: 224600 a11, Incubation Park, No. 19, Xingang Avenue, industrial economic zone, Xiangshui County, Yancheng City, Jiangsu Province Patentee after: Jiangsu juhuai Precision Machinery Co.,Ltd. Address before: A16, No.19 Xingang Avenue, Xiangshui Industrial Economic Zone, Yancheng City, Jiangsu Province 224600 Patentee before: Jiangsu Zhongkang metal materials Co.,Ltd. |