CN112178322B - Pipeline connector suitable for pipe diameters of different sizes and connecting method thereof - Google Patents
Pipeline connector suitable for pipe diameters of different sizes and connecting method thereof Download PDFInfo
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- CN112178322B CN112178322B CN202011072127.6A CN202011072127A CN112178322B CN 112178322 B CN112178322 B CN 112178322B CN 202011072127 A CN202011072127 A CN 202011072127A CN 112178322 B CN112178322 B CN 112178322B
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- clamping plate
- movable
- connecting pipe
- movable rod
- sealing strip
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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
- F16L25/00—Constructive types of pipe joints not provided for in groups F16L13/00 - F16L23/00 ; Details of pipe joints not otherwise provided for, e.g. electrically conducting or insulating means
- F16L25/14—Joints for pipes of different diameters or cross-section
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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
- F16L55/18—Appliances for use in repairing pipes
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The invention relates to the technical field of pipeline joints and discloses a pipeline joint suitable for pipe diameters of different sizes and a connecting method thereof, wherein the pipeline joint comprises a fixed sleeve, an outer clamping plate, an inner clamping plate and a connecting pipe, the fixed sleeve is respectively provided with three movable through grooves and three movable through holes in an annular array, and the movable through grooves and the movable through holes are arranged adjacent to each other; the outer clamping plates are annularly arrayed on the inner side of the fixed sleeve, two ends of the outer side of each outer clamping plate are respectively and fixedly connected with a first movable rod and a second movable rod, and the first movable rod and the second movable rod are respectively and movably connected with the movable through grooves; the inner clamping plate is annularly arrayed on the inner side of the outer clamping plate, a third movable rod is fixedly connected to the middle of the outer side of the inner clamping plate, and the third movable rod is movably connected with the movable through hole; the outer side of the connecting pipe is abutted against the inner side of the outer clamping plate, and the inner side of the connecting pipe is abutted against the outer side of the inner clamping plate; the problem of among the prior art carrying out the pipeline connection in-process or the pipeline breaks suddenly, can not in time find the pipe connection head of pipe diameter assorted with it and carry out effective connection fixed is solved.
Description
Technical Field
The invention relates to the technical field of pipeline connectors, in particular to a pipeline connector suitable for pipeline connectors with different pipe diameters and a connecting method thereof.
Background
The pipeline connector can sequentially connect a plurality of sections of shorter pipelines end to form a longer pipeline, and the common pipeline connector adopts a mode that two connectors and a nut are matched with a sealing ring to connect and seal the shorter pipeline, or the pipeline connector is used for connecting and fixing after the pipeline is broken and needs to be sawed off; in traditional pipe joint, the pipeline of equidimension pipe diameter not just needs the pipe joint of different models to go to match with it, just can realize the effective connection of pipeline, but in daily life, pipeline breakage or the connection of pipeline occasionally need not exist in time just in time with it phase-match pipe joint when the pipe joint, consequently can not be timely connect it, can bring a lot of inconveniences for people's production life.
Disclosure of Invention
The invention provides a pipeline connector suitable for pipelines with different pipe diameters and a connecting method thereof, which have the advantages of simple structure, convenient operation and suitability for connecting pipelines with different pipe diameters, and solve the problem that in the prior art, during the pipeline connecting process or sudden pipeline breakage, a pipeline connector matched with the pipe diameter cannot be found in time for effective connection and fixation.
The invention provides the following technical scheme: a pipeline connector suitable for pipelines with different pipe diameters comprises a fixed sleeve, an outer clamping plate, an inner clamping plate and a connecting pipe, wherein the fixed sleeve is respectively provided with three movable through grooves and three movable through holes in an annular array; the number of the outer clamping plates is three, the outer clamping plates are annularly arrayed on the inner side of the fixed sleeve and correspond to the movable through grooves, two ends of the outer side of each outer clamping plate are respectively and fixedly connected with a first movable rod and a second movable rod, the first movable rods and the second movable rods are respectively and movably connected with the movable through grooves, the first movable rods and the second movable rods are in threaded connection with two first nuts, and the first nuts are respectively abutted against the inner side and the outer side of the fixed sleeve; the number of the inner clamping plates is three, the inner clamping plates are annularly arrayed on the inner side of the outer clamping plate, gaps between the inner clamping plates and the outer clamping plates correspond to each other, a third movable rod is fixedly connected to the middle of the outer side of each inner clamping plate, the third movable rod is movably connected with the movable through hole, a second nut is in threaded connection with the third movable rod, and the second nut is abutted to the outer side of the fixed sleeve; the connecting pipe is located between the outer clamping plate and the inner clamping plate, the outer side of the connecting pipe is abutted against the inner side of the outer clamping plate, and the inner side of the connecting pipe is abutted against the outer side of the inner clamping plate.
Preferably, the cross-sectional shape of outer cardboard is the arc, outer cardboard is made by elastic material, outer cardboard inboard is equipped with first sealing strip, first sealing strip is made by rubber materials.
Preferably, the cross section of the inner clamping plate is arc-shaped, the inner clamping plate is made of elastic materials, a second sealing strip is arranged on the inner side of the inner clamping plate, and the second sealing strip is made of rubber materials.
Preferably, a butt joint gap is formed between the connecting pipes, the first sealing strip and the second sealing strip are respectively extruded in the butt joint gap, and the first sealing strip is abutted to the second sealing strip.
A connecting method suitable for pipeline connectors with different pipe diameters comprises the following steps:
s1, sawing the broken connecting pipe into two sections from the broken position, polishing the end parts to be butted, and then coating glue;
s2, twisting the first nut and the second nut to adjust the lengths of the first movable rod, the second movable rod and the third movable rod extending into the fixed sleeve, and further adjusting the outer diameter of the inner clamping plate, the inner diameter of the outer clamping plate and the distance between the inner clamping plate and the outer clamping plate according to the pipe diameter of the connecting pipe;
s3, inserting the end parts of the two sections of connecting pipes coated with glue into the distance between the adjusted inner clamping plate and the adjusted outer clamping plate respectively in a relative mode, enabling the inner clamping plate to be located on the inner side of the connecting pipe, enabling the outer clamping plate to be located on the outer side of the connecting pipe, and enabling the butted end parts of the two sections of connecting pipes to abut against the first sealing strip and the second sealing strip;
s4, twisting the second nut to enable the inner clamping plate to be tightly attached to the inner side of the connecting pipe in a self-adaptive manner under the pulling of the third movable rod, and bonding the inner clamping plate to the inner side of the connecting pipe through glue;
s5, twisting the first nut to enable the outer clamping plate to be tightly attached to the outer side of the connecting pipe in a self-adaptive mode under the pushing of the first movable rod and the second movable rod, and bonding the outer clamping plate to the outer side of the connecting pipe through glue;
s6, the first sealing strip and the second sealing strip are abutted through extrusion of the inner clamping plate and the outer clamping plate, and the abutting gap between the connecting pipes at the overlapped part of the inner clamping plate and the outer clamping plate is sealed.
The invention has the following beneficial effects:
the invention provides a new idea for connecting pipelines by using connectors which can be adaptive to pipelines with different pipe diameters.
The inner clamping plate can adapt to the inner diameter of the pipeline and connect and fix the inner side of the pipeline; go the external diameter that adapts to the pipeline through outer cardboard to connect fixedly the outside of pipeline, and then can realize the effective connection to the pipeline of different size pipe diameters.
In the invention, the inner diameter formed by the inner clamping plate and the outer clamping plate can be changed, the size of the inner diameter is changed by adjusting the movable rod, so that the movable rod can cater to pipelines with different pipe diameters, and the pipelines are connected and fixed in an internal and external overlapping mode.
And the inner clamping plate and the outer clamping plate are provided with sealing strips which can be abutted, the sealing strips can seal the butt joint gap of the connecting pipe, and the gap between the inner clamping plate and the outer clamping plate can be supplemented, so that the sealing property of the connecting pipe is ensured.
According to the invention, the inner clamping plate and the outer clamping plate are adapted to the inner diameter and the outer diameter of the pipeline by pulling or pushing the movable rods, and are fixed on the fixed sleeve by matching with the nuts, so that the pipeline clamping device not only can be adapted to the pipelines with different pipe diameters, but also can be stably and reliably connected.
Drawings
FIG. 1 is a schematic cross-sectional view of the present invention;
FIG. 2 is a schematic cross-sectional view taken along line A-A of FIG. 1;
fig. 3 is a schematic cross-sectional view at B-B in fig. 1.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, a pipe joint suitable for pipes with different diameters includes a fixing sleeve 1, an outer clamping plate 2, an inner clamping plate 3 and a connecting pipe 4.
Wherein, the fixed sleeve 1 is respectively provided with three movable through grooves 11 and three movable through holes 12 in an annular array, and the movable through grooves 11 and the movable through holes 12 are arranged adjacent to each other; the number of the outer clamping plates 2 is three, the outer clamping plates 2 are annularly arrayed on the inner side of the fixed sleeve 1, the outer clamping plates 2 correspond to the movable through grooves 11, two ends of the outer side of each outer clamping plate 2 are respectively and fixedly connected with a first movable rod 21 and a second movable rod 22, the first movable rods 21 and the second movable rods 22 are respectively and movably connected with the movable through grooves 11, the first movable rods 21 and the second movable rods 22 are in threaded connection with two first nuts 24, and the first nuts 24 are respectively abutted to the inner side and the outer side of the fixed sleeve 1; the number of the inner clamping plates 3 is three, the inner clamping plates 3 are annularly arrayed on the inner side of the outer clamping plate 2, gaps between the inner clamping plates 3 and the outer clamping plate 2 correspond to each other, a third movable rod 31 is fixedly connected to the middle of the outer side of each inner clamping plate 3, the third movable rod 31 is movably connected with the movable through hole 12, a second nut 33 is connected to the third movable rod 31 in a threaded mode, and the second nut 33 abuts against the outer side of the fixed sleeve 1; connecting pipe 4 is located between outer cardboard 2 and the interior cardboard 3, and the connecting pipe 4 outside and the inboard looks butt of outer cardboard 2, the inboard 3 outside looks butt of connecting pipe 4 and interior cardboard.
The cross sectional shape of above-mentioned outer cardboard 2 is the arc, and outer cardboard 2 is made by elastic material, and outer cardboard 2 inboard is equipped with first sealing strip 23, and first sealing strip 23 is made by rubber materials.
The cross-sectional shape of above-mentioned interior cardboard 3 is the arc, and interior cardboard 3 is made by elastic material, and interior cardboard 3 inboard is equipped with second sealing strip 32, and second sealing strip 32 is made by rubber materials.
A butt joint gap 41 is arranged between the connecting pipes 4, the first sealing strip 23 and the second sealing strip 32 are respectively extruded in the butt joint gap 41, and the first sealing strip 23 abuts against the second sealing strip 32.
A connecting method suitable for pipeline connectors with different pipe diameters comprises the following steps:
s1, sawing the broken connecting pipe 4 into two sections from the broken part, polishing the end parts to be butted, and then coating glue;
s2, the first nut 24 and the second nut 33 are twisted to adjust the length of the first movable rod 21, the second movable rod 22 and the third movable rod 31 extending into the fixed sleeve 1, and further the outer diameter of the inner clamping plate 3, the inner diameter of the outer clamping plate 2 and the distance between the inner clamping plate 3 and the outer clamping plate 2 are adjusted according to the pipe diameter of the connecting pipe 4;
s3, inserting the end parts of the two sections of connecting pipes 4 coated with glue into the distance between the adjusted inner clamping plate 3 and the adjusted outer clamping plate 4 respectively, so that the inner clamping plate 3 is positioned at the inner side of the connecting pipe 4, the outer clamping plate 2 is positioned at the outer side of the connecting pipe 4, and the butted end parts of the two sections of connecting pipes 4 are butted to the first sealing strip 23 and the second sealing strip 32;
s4, twisting the second nut 33 to make the inner clamping plate 3 self-adaptively and tightly attached to the inner side of the connecting pipe 4 under the pulling of the third movable rod 31, and bonding the inner clamping plate 3 to the inner side of the connecting pipe 4 through glue;
s5, twisting the first nut 24 to make the outer clamping plate 2 self-adaptively and tightly attached to the outer side of the connecting pipe 4 under the pushing of the first movable rod 21 and the second movable rod 22, and bonding the outer clamping plate 2 to the outer side of the connecting pipe 4 through glue;
s6, the first sealing strip 23 and the second sealing strip 32 are abutted by the extrusion of the inner clamping plate 3 and the outer clamping plate 2, and the abutting gap 41 between the connecting pipes 4 at the overlapped part of the inner clamping plate 3 and the outer clamping plate 2 is sealed.
The working principle is as follows: when in use, firstly, the broken connecting pipe 4 is sawn into two sections from the broken position, the end parts needing to be butted are polished and cleaned, and then glue is coated, or the head end and the tail end of the multi-section pipeline needing to be butted are polished and coated with glue; then, the first nut 24 and the second nut 33 are twisted to adjust the length of the first movable rod 21, the second movable rod 22 and the third movable rod 31 extending into the fixed sleeve 1, so as to adjust the outer diameter of the inner clamping plate 3, the inner diameter of the outer clamping plate 2 and the distance between the inner clamping plate 3 and the outer clamping plate 2 according to the pipe diameter of the connecting pipe 4; inserting the end parts of the two sections of connecting pipes 4 coated with glue into the distance between the adjusted inner clamping plate 3 and the adjusted outer clamping plate 4 respectively, so that the inner clamping plate 3 is positioned at the inner side of the connecting pipe 4, the outer clamping plate 2 is positioned at the outer side of the connecting pipe 4, and the butted end parts of the two sections of connecting pipes 4 are butted to the first sealing strip 23 and the second sealing strip 32; then, the second nut 33 is twisted, so that the inner clamping plate 3 is tightly attached to the inner side of the connecting pipe 4 in a self-adaptive manner under the pulling action of the third movable rod 31, the inner clamping plate 3 is adhered to the inner side of the connecting pipe 4 through glue, the first nut 24 is twisted, so that the outer clamping plate 2 is tightly attached to the outer side of the connecting pipe 4 in a self-adaptive manner under the pushing action of the first movable rod 21 and the second movable rod 22, and the outer clamping plate 2 is adhered to the outer side of the connecting pipe 4 through glue; finally, through the extrusion of interior cardboard 3 and outer cardboard 2 for first sealing strip 23 and second sealing strip 32 looks butt, and with interior cardboard 3 and the sealed butt joint clearance 41 between the outer cardboard 2 coincide department connecting pipe 4, and then realize breaking the pipeline or need the effective connection between the butt joint pipeline, thereby guarantee the timely effectual connection of different size pipe diameter pipelines.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Meanwhile, in the drawings of the invention, the filling pattern is only used for distinguishing the layers and is not limited at all.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (3)
1. The utility model provides a pipeline connector suitable for not equidimension pipe diameter which characterized in that: the clamping device comprises a fixed sleeve (1), an outer clamping plate (2), an inner clamping plate (3) and a connecting pipe (4), wherein the fixed sleeve (1) is respectively provided with three movable through grooves (11) and three movable through holes (12) in an annular array, and the movable through grooves (11) and the movable through holes (12) are arranged adjacent to each other; the number of the outer clamping plates (2) is three, the outer clamping plates (2) are annularly arrayed on the inner side of the fixed sleeve (1), the cross section of the outer clamping plate (2) is arc-shaped, the outer clamping plate (2) is made of elastic material, the inner side of the outer clamping plate (2) is provided with a first sealing strip (23), the first sealing strip (23) is made of rubber material, the outer clamping plate (2) corresponds to the movable through groove (11), the two ends of the outer side of the outer clamping plate (2) are respectively and fixedly connected with a first movable rod (21) and a second movable rod (22), the first movable rod (21) and the second movable rod (22) are respectively movably connected with the movable through groove (11), the first movable rod (21) and the second movable rod (22) are in threaded connection with two first nuts (24), the first screw caps (24) are respectively abutted against the inner side and the outer side of the fixed sleeve (1); the number of the inner clamping plates (3) is three, the inner clamping plates (3) are annularly arrayed on the inner side of the outer clamping plate (2), gaps between the inner clamping plates (3) and the outer clamping plate (2) correspond, the cross sections of the inner clamping plates (3) are arc-shaped, the inner clamping plates (3) are made of elastic materials, second sealing strips (32) are arranged on the inner sides of the inner clamping plates (3), the second sealing strips (32) are made of rubber materials, third movable rods (31) are fixedly connected to the middle portions of the outer sides of the inner clamping plates (3), the third movable rods (31) are movably connected with the movable through holes (12), second nuts (33) are connected to the third movable rods (31) in a threaded mode, and the second nuts (33) are abutted to the outer sides of the fixed sleeve (1); the connecting pipe (4) is located between the outer clamping plate (2) and the inner clamping plate (3), the outer side of the connecting pipe (4) is abutted against the inner side of the outer clamping plate (2), and the inner side of the connecting pipe (4) is abutted against the outer side of the inner clamping plate (3).
2. The pipeline connector suitable for different pipe diameters according to claim 1, wherein: be equipped with butt joint clearance (41) between connecting pipe (4), first sealing strip (23) with second sealing strip (32) are extruded respectively in butt joint clearance (41), just first sealing strip (23) with second sealing strip (32) looks butt.
3. A method for connecting pipe joints with different pipe diameters, which is characterized in that the method for connecting the pipe joints with different pipe diameters according to any one of claims 1-2 comprises the following steps:
s1, sawing the broken connecting pipe (4) into two sections from the broken position, polishing the end parts to be butted, and then coating glue;
s2, the lengths of the first movable rod (21), the second movable rod (22) and the third movable rod (31) extending into the fixed sleeve (1) are adjusted by twisting the first nut (24) and the second nut (33), and then the outer diameter formed by the inner clamping plates (3), the inner diameter formed by the outer clamping plates (2) and the distance between the inner clamping plates (3) and the outer clamping plates (2) are adjusted according to the pipe diameter of the connecting pipe (4);
s3, inserting the end parts of the two sections of connecting pipes (4) coated with glue into the distance between the adjusted inner clamping plate (3) and the adjusted outer clamping plate (4) oppositely, so that the inner clamping plate (3) is positioned at the inner side of the connecting pipe (4), the outer clamping plate (2) is positioned at the outer side of the connecting pipe (4), and the butted end parts of the two sections of connecting pipes (4) are butted to a first sealing strip (23) and a second sealing strip (32);
s4, twisting the second nut (33) to enable the inner clamping plate (3) to be tightly attached to the inner side of the connecting pipe (4) in a self-adaptive manner under the pulling of the third movable rod (31), and bonding the inner clamping plate (3) to the inner side of the connecting pipe (4) through glue;
s5, twisting the first nut (24) to enable the outer clamping plate (2) to be self-adaptively and tightly attached to the outer side of the connecting pipe (4) under the pushing of the first movable rod (21) and the second movable rod (22), and bonding the outer clamping plate (2) to the outer side of the connecting pipe (4) through glue;
s6, the first sealing strip (23) and the second sealing strip (32) are abutted through extrusion of the inner clamping plate (3) and the outer clamping plate (2), and the abutting gap (41) between the connecting pipes (4) at the overlapped part of the inner clamping plate (3) and the outer clamping plate (2) is sealed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011072127.6A CN112178322B (en) | 2020-10-09 | 2020-10-09 | Pipeline connector suitable for pipe diameters of different sizes and connecting method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011072127.6A CN112178322B (en) | 2020-10-09 | 2020-10-09 | Pipeline connector suitable for pipe diameters of different sizes and connecting method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112178322A CN112178322A (en) | 2021-01-05 |
| CN112178322B true CN112178322B (en) | 2022-04-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011072127.6A Active CN112178322B (en) | 2020-10-09 | 2020-10-09 | Pipeline connector suitable for pipe diameters of different sizes and connecting method thereof |
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| CN (1) | CN112178322B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2913090A1 (en) * | 2007-02-28 | 2008-08-29 | D P P N Dev Et Prescription De | Mechanically fixable branch connection for square-shaped branch orifices in e.g. drain water header pipe, has deformable anchoring piece with shape of cylinder part whose outer diameter is higher than inner diameter of manifold |
| CN209495043U (en) * | 2018-12-22 | 2019-10-15 | 合肥力泉机械制造有限公司 | A kind of automobile fuel inlet neck |
| CN210069190U (en) * | 2019-06-11 | 2020-02-14 | 苏州中瑞升降机械有限公司 | Guide tracked pipeline valve that breaks for hydraulic lift |
| CN210661808U (en) * | 2019-08-16 | 2020-06-02 | 浙江新瑞特钢有限公司 | Stainless steel seamless steel pipe reducing device |
| CN211344248U (en) * | 2020-01-13 | 2020-08-25 | 黄宁 | Fixing structure for building engineering pipeline |
-
2020
- 2020-10-09 CN CN202011072127.6A patent/CN112178322B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2913090A1 (en) * | 2007-02-28 | 2008-08-29 | D P P N Dev Et Prescription De | Mechanically fixable branch connection for square-shaped branch orifices in e.g. drain water header pipe, has deformable anchoring piece with shape of cylinder part whose outer diameter is higher than inner diameter of manifold |
| CN209495043U (en) * | 2018-12-22 | 2019-10-15 | 合肥力泉机械制造有限公司 | A kind of automobile fuel inlet neck |
| CN210069190U (en) * | 2019-06-11 | 2020-02-14 | 苏州中瑞升降机械有限公司 | Guide tracked pipeline valve that breaks for hydraulic lift |
| CN210661808U (en) * | 2019-08-16 | 2020-06-02 | 浙江新瑞特钢有限公司 | Stainless steel seamless steel pipe reducing device |
| CN211344248U (en) * | 2020-01-13 | 2020-08-25 | 黄宁 | Fixing structure for building engineering pipeline |
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| CN112178322A (en) | 2021-01-05 |
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Effective date of registration: 20220314 Address after: 318000 Yuhuan science and Technology Industrial Park, Taizhou City, Zhejiang Province (Xiaqiu village, Qinggang town) Applicant after: Yuhuan Guangda Machinery Co.,Ltd. Address before: 311600 No.9, Lianhe village, lianhengyangfan natural village, xiaya Town, Jiande City, Hangzhou City, Zhejiang Province Applicant before: Chen Quan |
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