CN113431968B - Screw thread flange - Google Patents
Screw thread flange Download PDFInfo
- Publication number
- CN113431968B CN113431968B CN202110496349.9A CN202110496349A CN113431968B CN 113431968 B CN113431968 B CN 113431968B CN 202110496349 A CN202110496349 A CN 202110496349A CN 113431968 B CN113431968 B CN 113431968B
- Authority
- CN
- China
- Prior art keywords
- wall
- wedge
- protective cover
- fixedly connected
- hole
- 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
- 230000001681 protective effect Effects 0.000 claims abstract description 59
- 230000007246 mechanism Effects 0.000 claims abstract description 25
- 229910000831 Steel Inorganic materials 0.000 claims description 10
- 239000010959 steel Substances 0.000 claims description 10
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 6
- 229910052782 aluminium Inorganic materials 0.000 claims description 6
- 239000007787 solid Substances 0.000 description 5
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 4
- 230000005484 gravity Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
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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
- F16L23/00—Flanged joints
- F16L23/02—Flanged joints the flanges being connected by members tensioned axially
- F16L23/024—Flanged joints the flanges being connected by members tensioned axially characterised by how the flanges are joined to, or form an extension of, the pipes
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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
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B39/00—Locking of screws, bolts or nuts
- F16B39/22—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening
- F16B39/24—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening by means of washers, spring washers, or resilient plates that lock against the object
-
- 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
- F16L23/00—Flanged joints
- F16L23/006—Attachments
-
- 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
- F16L57/00—Protection of pipes or objects of similar shape against external or internal damage or wear
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Supports For Pipes And Cables (AREA)
Abstract
The invention discloses a threaded flange in the technical field of flanges, which comprises a protective cover and a protective box, wherein one sides of the protective cover and the protective box are respectively provided with a through hole, the inner wall of each through hole is in threaded connection with a locking mechanism, the inner wall of the protective cover is fixedly connected with a clamping mechanism, the inner wall of the protective box is provided with a disc body, the inner wall of the disc body is fixedly connected with a guide pipe, the inner wall of the guide pipe is provided with threads, one end of the guide pipe penetrates through the left side of the protective cover, and the other end of the guide pipe penetrates through the right side of the disc body; the protective box and the protective cover can be conveniently detached by arranging the locking mechanism; the disc body can be prevented from moving in the protection box by arranging the clamping mechanism; through setting up the stand pipe, can be for the pipeline direction that needs to connect to make this screw thread flange have the protection flange not receive wearing and tearing and warp, increase life's function.
Description
Technical Field
The invention relates to the technical field of flanges, in particular to a threaded flange.
Background
The screw flange is a flange connected with the pipeline by screw threads, can be processed according to a loose flange during design, has the advantages of no need of welding, small additional moment generated on a cylinder or the pipeline during deformation of the flange, and has the disadvantages of large thickness and high manufacturing cost, and is suitable for connection of high-pressure pipelines.
The screw thread flange widely used in the market at present is mostly an integral flange, almost no treatment is carried out on the surface of the flange, the surface of the flange is damaged or deformed after long-time use, the service life of the flange is shortened, and if the flange is deformed during use, the object connected with the flange can be damaged; when the pipeline is connected and materials are conveyed, the pipeline shakes to easily loosen bolts and nuts connected to the flange, so that leakage accidents are caused, the time is long, the nuts are easy to rust and inconvenient to take down and replace, and therefore, a threaded flange is provided by a person skilled in the art to solve the problems in the background art.
Disclosure of Invention
The invention aims to provide a threaded flange so as to solve the problems of damage or deformation of the surface of the flange and loosening and rusting of a nut bolt.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the utility model provides a screw thread flange, includes protective cover and protective box, the through-hole has all been seted up to one side of protective cover and protective box, the inner wall threaded connection of through-hole has the locking mechanism, the inner wall fixedly connected with chucking mechanism of protective cover, the inner wall of protective box is provided with the disk body, the inner wall fixedly connected with stand pipe of disk body, the inner wall of stand pipe is provided with the screw thread, the left side of protective cover is run through to the one end of stand pipe, the right side of disk body is run through to the other end of stand pipe, the connector has been seted up on the right side of protective box.
As a further scheme of the invention: the locking mechanism comprises a bolt in threaded connection with the through hole, an anti-slip sheet is sleeved on the surface of the bolt, a nut is in threaded connection with the surface of the bolt, a U-shaped groove is formed in the threaded hole along the axial direction of the nut, and at least two U-shaped grooves are formed and distributed evenly in the circumferential direction; wedge-shaped pieces are glued in the U-shaped grooves, the length of each wedge-shaped piece is larger than that of each U-shaped groove, the thickness of each wedge-shaped piece in each U-shaped groove is unchanged, the thickness of each wedge-shaped piece extending out of each U-shaped groove is gradually increased along the extending direction, each wedge-shaped piece is bent in the direction away from the central shaft, each wedge-shaped piece is made of aluminum, steel wires are arranged in each wedge-shaped piece, and a plurality of saw teeth are arranged on the surfaces of the steel wires; one side of the nut, which is far away from the antiskid sheet, is provided with a locknut, the part of the wedge piece, which extends out of the U-shaped groove, penetrates through a threaded hole of the locknut, the locknut is in threaded connection with the bolt, and the thread diameter of the locknut is larger than that of the nut.
As still further aspects of the invention: the clamping mechanism comprises a connecting rod fixedly connected with the inner wall of the protective cover, a spring is sleeved on the surface of the connecting rod, one end of the spring is fixedly connected with the inner wall of the protective cover, and the spring can be prevented from being bent under the action of gravity by the aid of the connecting rod.
As still further aspects of the invention: the number of the through holes is eight, every four through holes are in a group, and the two groups of through holes are respectively formed in the left side of the protective cover and the right side of the protective box, and the protective cover and the protective box can be completely fixed after the locking mechanism is locked through the eight through holes.
As still further aspects of the invention: the right side of disk body has seted up the through-hole, the central line of through-hole is in same horizontal plane with the central point of opening, through setting up the through-hole, can make the disk body also be passed by the bolt that passes from the opening, fixes the disk body.
As still further aspects of the invention: the right side fixedly connected with snap ring of protective cover, the draw-in groove has been seted up in the left side of protective box, through setting up snap ring and draw-in groove, alignment position when can conveniently installing protective cover and protective box.
As still further aspects of the invention: the inner wall fixedly connected with solid fixed ring of stand pipe, gu fixed ring's material is rubber, through setting up solid fixed ring, can prevent that the pipeline from taking place not hard up behind the connecting tube.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the disc body and the guide tube can be protected from damage by arranging the protective cover and the protective box; the protective box and the protective cover can be conveniently detached by arranging the locking mechanism; the disc body can be prevented from moving in the protection box by arranging the clamping mechanism; through setting up the stand pipe, can be for the pipeline direction that needs to connect to make this screw thread flange have the protection flange not receive wearing and tearing and warp, increase life's function.
2. According to the invention, the anti-slip sheet is arranged, so that the bolt can be prevented from falling down due to loosening of the nut; the U-shaped groove is formed in the nut to install the wedge-shaped piece, the wedge-shaped piece is matched with the locknut to be screwed on the bolt in a rotating mode, the clamping force of the locknut on the wedge-shaped piece and the bolt is gradually increased, and the looseness of the nut caused by vibration of the flange is prevented; the steel wire with saw teeth is arranged in the wedge-shaped piece, so that the integral strength of the wedge-shaped piece is enhanced, and the wedge-shaped piece is prevented from being broken when the wedge-shaped piece is pulled out; by arranging the connecting rod, the spring can be prevented from bending under the action of gravity; through setting up eight through-holes, can be after the dead mechanism lock with protective cover and protection box fix completely.
3. According to the invention, through the arrangement of the through holes, the tray body can be penetrated by the bolts penetrating through the through holes, so that the tray body is fixed; the clamping ring and the clamping groove are arranged, so that the alignment position of the protective cover and the protective box can be conveniently installed; through setting up solid fixed ring, can prevent that pipeline from taking place not hard up behind the connecting tube.
Drawings
FIG. 1 is a schematic elevational view of the structure of the present invention;
FIG. 2 is a schematic elevational view in cross-section of the structure of the present invention;
FIG. 3 is a schematic front view of the structure of the tray of the present invention;
FIG. 4 is an enlarged schematic view of the structure shown at A in FIG. 2 in accordance with the present invention;
FIG. 5 is a schematic view of the fit of the nut, locknut and wedge of the present invention;
FIG. 6 is a schematic front cross-sectional view of a wedge of the present invention;
fig. 7 is a front view of a nut of the present invention.
In the figure: 1. a protective cover; 2. a protective case; 3. a locking mechanism; 301. a bolt; 302. a non-slip sheet; 303. a nut; 304. a locknut; 305. a wedge; 4. a clamping mechanism; 401. a connecting rod; 402. a spring; 5. a tray body; 6. a guide tube; 7. a thread; 8. a connection port; 9. a through hole; 10. a clasp; 11. a clamping groove; 12. and a fixing ring.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1 to 7, in the embodiment of the invention, a threaded flange comprises a protecting cover 1 and a protecting box 2, wherein one sides of the protecting cover 1 and the protecting box 2 are respectively provided with a through hole, the inner wall of each through hole is in threaded connection with a locking mechanism 3, the inner wall of the protecting cover 1 is fixedly connected with a clamping mechanism 4, the inner wall of the protecting box 2 is provided with a tray body 5, the inner wall of the tray body 5 is fixedly connected with a guide pipe 6, the inner wall of the guide pipe 6 is provided with threads 7, one end of the guide pipe 6 penetrates through the left side of the protecting cover 1, the other end of the guide pipe 6 penetrates through the right side of the tray body 5, and the right side of the protecting box 2 is provided with a connecting port 8; the protective box 2 and the protective cover 1 can be conveniently detached by arranging the locking mechanism 3; by providing the chucking mechanism 4, the tray 5 can be prevented from moving in the protective case 2; through setting up stand pipe 6, can be for the pipeline direction that needs to connect to make this screw thread flange have the protection flange not receive wearing and tearing and warp, increase life's function.
The locking mechanism 3 comprises a bolt 301 in threaded connection with a through hole, an anti-slip sheet 302 is sleeved on the surface of the bolt 301, a nut 303 is in threaded connection with the surface of the bolt 301, a U-shaped groove is formed in a threaded hole of the nut 303 along the axial direction, and at least two U-shaped grooves are uniformly distributed in the circumferential direction; wedge pieces 305 are glued in the U-shaped grooves, the length of each wedge piece 305 is larger than that of each U-shaped groove, the thickness of each wedge piece 305 in each U-shaped groove is unchanged, the thickness of the part of each wedge piece 305 extending out of each U-shaped groove is gradually increased along the extending direction and is bent in the direction away from the central shaft, each wedge piece 305 is made of aluminum, steel wires are arranged in each wedge piece, and a plurality of saw teeth are arranged on the surface of each steel wire; a locknut 304 is arranged on one side of the nut 303 away from the antiskid sheet 302, a part of the wedge-shaped piece 305 extending out of the U-shaped groove penetrates through a threaded hole of the locknut 304, the locknut 304 is in threaded connection with the bolt 301, and the threaded diameter of the locknut 304 is larger than that of the nut 303; by arranging the anti-slip sheet 302, the bolt 301 can be prevented from falling down due to loosening of the nut 303, the wedge 305 is installed by arranging a U-shaped groove on the nut 303, the nut 301 is matched with the locknut 304 to be screwed down in a rotating way, the clamping force of the locknut 304 to the wedge 305 and the bolt 301 is gradually increased, and the loosening of the nut 303 due to flange vibration is prevented; through setting up the steel wire that has the sawtooth in wedge 305, strengthen the bulk strength of wedge 305, when nut 303 rust can't unscrew, rotatable thread diameter bigger locknut 304 moves to nut 303 direction, draws wedge 305 from U type inslot again, sets up the steel wire that has the sawtooth and prevents that aluminium wedge 305 from breaking when drawing out, draws in wedge 305 back to U type inslot and adds the rust remover, is convenient for take out nut 303.
Wherein, chucking mechanism 4 includes the connecting rod 401 with protective cover 1 inner wall fixed connection, the surface cover of connecting rod 401 is equipped with spring 402, the one end of spring 402 and the inner wall fixed connection of protective cover 1, through setting up connecting rod 401, can prevent that spring 402 from crooked under the effect of gravity, the quantity of opening is eight, every four openings is a set of, and two sets of openings set up respectively in the left side of protective cover 1 and the right side of protective case 2, through setting up eight through-holes 9, can fix protective cover 1 and protective case 2 completely after the locking mechanism 3 locks.
Wherein, through-hole 9 has been seted up on the right side of disk body 5, the central line of through-hole 9 is in same horizontal plane with the central point of opening, through setting up through-hole 9, can make disk body 5 also passed by the bolt 301 that passes from the opening, fix disk body 5, the right side fixedly connected with snap ring 10 of shield lid 1, draw-in groove 11 has been seted up in the left side of shield box 2, through setting up snap ring 10 and draw-in groove 11, alignment position when can conveniently installing shield lid 1 and shield box 2, the inner wall fixedly connected with solid fixed ring 12 of stand pipe 6, gu fixed ring 12's material is rubber, through setting up solid fixed ring 12, can prevent that the pipeline from taking place to become flexible behind the connecting pipeline.
The working principle of the invention is as follows: when the threaded flange is used, a user aligns the through hole 9 and the through hole to put the flange into the protective box 2, the protective cover 1 is covered on the protective box 2, the bolt 301 is inserted, the anti-slip sheet 302 is sleeved on the bolt 301, then the nut 303 and the locknut 304 are screwed at the same time, the aluminum wedge 305 is tapped on the surface during screwing, the locknut 304 is screwed in a direction far away from the nut 303 after screwing, the clamping force between the locknut 304 and the bolt 301 is increased by utilizing the wedge 305, the flange vibration is prevented, the nut 303 is loosened, the protective cover 1 and the protective box 2 are fixed, at the moment, the spring 402 on the protective cover 1 props against the disc 5 to prevent the disc 5 from moving, then a pipeline to be connected is connected through the threads in the guide pipe 6, when the protective box 2 or the protective cover 1 needs to be replaced, the pipeline is dismounted, the locknut 304 with larger rotating thread diameter moves towards the nut 303 and the locknut 304, and the locknut 301 are simultaneously screwed down and taken out, so that the locknut 302 and the bolt 301 can be replaced, and the threaded flange has the functions of protecting the flange from being worn and deformed, and the service life is prolonged;
if the nut 303 is rusted seriously and is inconvenient to rotate and take out, the locknut 304 with larger rotatable thread diameter moves towards the direction of the nut 303, then the wedge 305 is pulled out of the U-shaped groove, a steel wire with saw teeth is arranged to prevent the aluminum wedge 305 from breaking during pulling out, and a rust remover is added into the U-shaped groove after the wedge 305 is pulled out, so that the nut 303 is conveniently taken out.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (6)
1. The utility model provides a screw thread flange, includes protective cover (1) and protective box (2), its characterized in that: the protection cover (1) and one side of the protection box (2) are provided with through holes, the inner wall screw threads of the through holes are connected with a locking mechanism (3), the inner wall of the protection cover (1) is fixedly connected with a clamping mechanism (4), the inner wall of the protection box (2) is provided with a disc body (5), the inner wall of the disc body (5) is fixedly connected with a guide pipe (6), the inner wall of the guide pipe (6) is provided with threads (7), one end of the guide pipe (6) penetrates through the left side of the protection cover (1), the other end of the guide pipe (6) penetrates through the right side of the disc body (5), and the right side of the protection box (2) is provided with a connecting port (8);
the locking mechanism (3) comprises a bolt (301) in threaded connection with the through hole, an anti-slip sheet (302) is sleeved on the surface of the bolt (301), a nut (303) is in threaded connection with the surface of the bolt (301), U-shaped grooves are formed in the threaded hole of the nut (303) along the axial direction, and the U-shaped grooves are provided with at least two grooves and are uniformly distributed in the circumferential direction; wedge-shaped pieces (305) are glued in the U-shaped grooves, the length of each wedge-shaped piece (305) is larger than that of each U-shaped groove, the thickness of each wedge-shaped piece (305) in each U-shaped groove is unchanged, the thickness of the part, extending out of each U-shaped groove, of each wedge-shaped piece (305) is gradually increased along the extending direction and is bent in the direction away from the central shaft, each wedge-shaped piece (305) is made of aluminum, steel wires are arranged in each wedge-shaped piece, and a plurality of saw teeth are arranged on the surfaces of the steel wires; one side of the nut (303) far away from the antiskid sheet (302) is provided with a locknut (304), the part of the wedge-shaped piece (305) extending out of the U-shaped groove penetrates through a threaded hole of the locknut (304), the locknut (304) is in threaded connection with the bolt (301), and the thread diameter of the locknut (304) is larger than that of the nut (303).
2. A threaded flange according to claim 1, characterized in that: the clamping mechanism (4) comprises a connecting rod (401) fixedly connected with the inner wall of the protective cover (1), a spring (402) is sleeved on the surface of the connecting rod (401), and one end of the spring (402) is fixedly connected with the inner wall of the protective cover (1).
3. A threaded flange according to claim 1, characterized in that: the number of the through holes is eight, every four through holes are in a group, and the two groups of through holes are respectively arranged on the left side of the protective cover (1) and the right side of the protective box (2).
4. A threaded flange according to claim 1, characterized in that: the right side of the tray body (5) is provided with a through hole (9), and the center line of the through hole (9) and the center point of the through hole are positioned on the same horizontal plane.
5. A threaded flange according to claim 1, characterized in that: the right side fixedly connected with snap ring (10) of shield cap (1), draw-in groove (11) have been seted up in the left side of shield box (2).
6. A threaded flange according to claim 1, characterized in that: the inner wall of the guide pipe (6) is fixedly connected with a fixing ring (12), and the fixing ring (12) is made of rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110496349.9A CN113431968B (en) | 2021-05-07 | 2021-05-07 | Screw thread flange |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110496349.9A CN113431968B (en) | 2021-05-07 | 2021-05-07 | Screw thread flange |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113431968A CN113431968A (en) | 2021-09-24 |
| CN113431968B true CN113431968B (en) | 2023-11-17 |
Family
ID=77753334
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110496349.9A Active CN113431968B (en) | 2021-05-07 | 2021-05-07 | Screw thread flange |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113431968B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011117504A (en) * | 2009-11-04 | 2011-06-16 | Osami Matsumoto | E-ext lock bolt |
| CN108953351A (en) * | 2018-09-15 | 2018-12-07 | 杨富云 | A kind of checknut fastener |
| CN210462044U (en) * | 2019-07-16 | 2020-05-05 | 沈阳谷金装备制造有限公司 | Locking flange that moves convenient to installation |
| CN111306172A (en) * | 2020-03-13 | 2020-06-19 | 马开广 | Never-loosening screw |
| CN111536339A (en) * | 2020-05-08 | 2020-08-14 | 温州精宏阀门管件有限公司 | Flange |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102013016235A1 (en) * | 2013-10-01 | 2015-04-02 | Deutz Aktiengesellschaft | Exhaust system for diesel vehicles |
-
2021
- 2021-05-07 CN CN202110496349.9A patent/CN113431968B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011117504A (en) * | 2009-11-04 | 2011-06-16 | Osami Matsumoto | E-ext lock bolt |
| CN108953351A (en) * | 2018-09-15 | 2018-12-07 | 杨富云 | A kind of checknut fastener |
| CN210462044U (en) * | 2019-07-16 | 2020-05-05 | 沈阳谷金装备制造有限公司 | Locking flange that moves convenient to installation |
| CN111306172A (en) * | 2020-03-13 | 2020-06-19 | 马开广 | Never-loosening screw |
| CN111536339A (en) * | 2020-05-08 | 2020-08-14 | 温州精宏阀门管件有限公司 | Flange |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113431968A (en) | 2021-09-24 |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20231025 Address after: 8 Shiliu Road, Hudai Town, Binhu District, Wuxi City, Jiangsu Province 214000 Applicant after: Wuxi Aierte Petrochemical Machinery Co.,Ltd. Address before: 243000 301, building 6, central garden community, No. 8, Huayu Road, Huashan District, Ma'anshan City, Anhui Province Applicant before: Wang Suocheng |
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| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |