CN112377689A - Novel loose flange - Google Patents
Novel loose flange Download PDFInfo
- Publication number
- CN112377689A CN112377689A CN202011240157.3A CN202011240157A CN112377689A CN 112377689 A CN112377689 A CN 112377689A CN 202011240157 A CN202011240157 A CN 202011240157A CN 112377689 A CN112377689 A CN 112377689A
- Authority
- CN
- China
- Prior art keywords
- flange
- annular
- flanges
- flanged
- lower flange
- 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.)
- Pending
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Classifications
-
- 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
- F16L17/00—Joints with packing adapted to sealing by fluid pressure
- F16L17/06—Joints with packing adapted to sealing by fluid pressure with sealing rings arranged between the end surfaces of the pipes or flanges or arranged in recesses in the pipe ends or flanges
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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
- F16L17/00—Joints with packing adapted to sealing by fluid pressure
- F16L17/10—Joints with packing adapted to sealing by fluid pressure the packing being sealed by the pressure of a fluid other than the fluid in or surrounding the pipe
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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
- F16L55/02—Energy absorbers; Noise absorbers
- F16L55/027—Throttle passages
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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
- F16L55/02—Energy absorbers; Noise absorbers
- F16L55/033—Noise absorbers
- F16L55/0336—Noise absorbers by means of sound-absorbing materials
Abstract
The invention relates to the technical field of flange connection correlation, and discloses a novel loose flange which comprises a lower flange and an upper flange, wherein flanged flanges are movably inserted into the hollow inner sides of the lower flange and the upper flange, the lower flange and the upper flange are connected with each other through a tightening mechanism, the disc surfaces of the two flanged flanges are contacted and attached with each other, three corresponding annular embedded grooves are formed in the attached surfaces of the two flanged flanges, annular sealing rings are embedded in the two flanged flanges through the annular embedded grooves, and hollow flow distribution plates are arranged at the centers of the inner sides of the two flanged flanges. This novel loose flange, the effectual leakproofness that has increased the turn-ups ring flange when using under the prerequisite that does not influence structure cooperation leakproofness, and the effectual increase goes up the flange and the lower flange frictional force when the activity is rotatory, guarantees the stability of cooperation installation between the structure, and the effectual noise of shunting the production in the turn-ups flange absorbs and falls the noise, reduces the noise of flange joint end.
Description
Technical Field
The invention relates to the technical field of flange connection, in particular to a novel loose flange.
Background
The flange connection is that two pipelines, pipe fittings or equipment are respectively fixed on a flange plate, a flange pad is added between the two flange plates and fastened together by bolts to complete the connection, some pipe fittings and equipment are provided with flange plates, and the flange connection also belongs to the flange connection, the flange connection is an important connection mode of pipeline construction, a loose flange is used for sleeving the flange on a pipe end by using a flanging, a steel ring and the like, the flange can move on the pipe end, the steel ring or the flanging is a sealing surface, and the flange is used for pressing the flange, so that the loose flange is not contacted with a medium because the loose flange is blocked by the steel ring or the flanging.
The turn-ups in the loose tube flange are pressed close to each other and are sealed, when high-pressure fluid circulates in the turn-ups, the turn-ups contact tightness requirement to the loose tube flange is higher, otherwise, the turn-ups contact part easily overflows the fluid, influence the leakproofness of connecting between the pipeline, through setting up a plurality of sealing rings in order to improve its complex leakproofness between the traditional turn-ups, but its sealed cooperation can progressively reduce at this kind of sealed cooperation mode after dismouting combination many times, loose tube flange is after connecting the use simultaneously, when big diameter pipeline port is to the leading-in fluid of path pipeline port, the velocity of flow of fluid increases, can produce certain noise, certain fluid kinetic energy can be lost to the fluid impact pipe wall, increase the fluid supply power consumption of equipment, therefore the inventor has designed a novel loose tube flange, solve above-mentioned technical problem.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a novel loose flange, which solves the problem that the sealing fit of the loose flange is gradually reduced after the loose flange is assembled and disassembled for a long time.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a novel loose flange, includes lower flange and upper flange, the equal activity interlude of cavity inboard of lower flange and upper flange has the turn-ups ring flange, through straining device interconnect between lower flange and the upper flange, the quotation of two turn-ups ring flanges contacts the laminating each other, three corresponding annular embedded groove has all been seted up on the surface that two turn-ups ring flanges laminated mutually, two turn-ups ring flanges install ring type seal through the embedding of annular embedded groove, hollow flow distribution plate is all installed to the inboard center department of two turn-ups ring flanges, the inner chamber packing of hollow flow distribution plate has the amortization medium.
The upper flange is provided with annular laminating circle on the surface that is close to the lower flange, and the bottom terminal surface bonding of annular laminating circle has annular sealed pad, and annular mounting groove has been seted up to the annular inside wall of annular laminating circle, and annular packing bag is all installed to the inboard of annular mounting groove, and the terminal air duct that runs through annular laminating circle of annular packing bag extends to its outside and fixed mounting has airtight core.
Preferably, the hollow flow distribution plate and the corresponding annular inner side wall of the flanging flange are connected by welding, the surface of the hollow flow distribution plate is a smooth surface, and the centers of the two flanging flanges are positioned on the same vertical axis.
Preferably, the silencing medium is made of silencing cotton or filler made of porous sound-absorbing materials, and absorbs and reduces noise generated by fluid impact in the flanged flange.
Preferably, the annular air bag that the bag was filled to the annular adopts soft rubber material, and the annular inside wall that the bag was filled to the annular contacts the laminating with the annular side part of two turn-ups ring flanges, and the initial condition that the bag was filled to the annular is filling state, and the annular inside wall that the bag was filled to the annular is equipped with the protruding fillet that imbeds between two turn-ups ring flanges of annular and links up gap department for the bag is filled to the annular can be directed against linking shape between the turn-ups ring flange and designs, furthest's reduction annular fill the bag under filling state and the cooperation gap between the turn-ups ring flange.
Preferably, annular laminating circle and upper flange are integrated into one piece, and the vertical height of annular laminating circle slightly is less than the thickness sum of the ring flange of two turn-ups ring flanges for when upper flange and lower flange are connected through the straining device, annular laminating circle compresses tightly through the annular sealing pad and seals the surface of lower flange, makes the connection between upper flange and the lower flange receive the reverse effort of annular sealing pad, the stability of connecting between the guarantee structure.
Preferably, the annular sealing gasket is in a compressed state in an initial state, and the lower surface of the annular sealing gasket is in contact fit with the top surface of the lower flange.
Preferably, the upper flange is welded with a positioning penetrating sleeve at a positioning hole far away from the end face of the lower flange, the tightening mechanism comprises a positioning bolt and a locking nut, and the positioning bolt penetrates through positioning holes in the lower flange and the upper flange and penetrates through the corresponding positioning penetrating sleeve to be in threaded connection with the locking nut.
Preferably, a fit clearance is reserved between the annular inner side wall of the annular attaching ring and the annular outer side wall of the flange plate of the flanging flange, so that the flange plate outer side wall of the flanging flange plate is effectively sealed and wrapped when the annular filling air bag is inflated and deformed under pressure.
(III) advantageous effects
The invention provides a novel loose flange. The method has the following beneficial effects:
(1) the novel loose flange is characterized in that an annular attaching ring is additionally arranged outside an original flange plate, so that the annular attaching ring can be matched with an annular sealing gasket to be tightly pressed and sealed between an upper flange and a lower flange, meanwhile, an annular filling air bag is arranged, a gap between the inner side wall of the annular attaching ring and the side surfaces of flanges of the two flange plates can be filled, the matching surfaces of the two flange plates are hermetically wrapped, the sealing performance of the flange plates in use is effectively improved, meanwhile, when the flange plates are tightly pressed and positioned by the upper flange and the lower flange, high-pressure gas is introduced into the annular filling air bag through an airtight core, the annular filling air bag is deformed under pressure, the inner side wall of the annular filling air bag is contacted with the annular side wall of the flange plate, on the premise that the sealing performance of structural matching is not influenced, the friction force of the upper flange and the lower flange in movable, the stability of cooperation installation between the guarantee structure.
(2) This novel loose flange, through set up hollow flow distribution plate in the turn-ups ring flange, shunt the processing when making the circulation fluid in the great turn-ups cooperation ring flange of connecting pipe diameter phase difference, hollow flow distribution plate shunts the fluid, reduce the impact of fluid to the turn-ups ring flange inside wall, thereby effectual reduction fluid loss's kinetic energy, and the setting of amortization medium in the hollow flow distribution plate, effectual noise to turn-ups flange internal shunting production absorbs and falls the noise, reduce the noise of flange joint end.
(3) This novel loose flange sets up the annular packing pad through the bottom at annular laminating circle for when going up flange and lower flange and passing through the take-up unit interconnect, the annular packing pad of annular laminating circle bottom contacts with the terminal surface of lower flange and compresses tightly the laminating, has increased the cooperation leakproofness between annular laminating circle and the lower flange, when making lower flange and last flange interconnect, receives the reverse elastic force of annular packing pad all the time, thereby the stability of connecting through the take-up unit between effectual assurance lower flange and the last flange.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is an enlarged schematic view of a structure in fig. 1.
In the figure: the air-tight sealing device comprises a lower flange 1, an upper flange 2, a flanging flange 3, a hollow flow distribution plate 4, a silencing medium 5, an annular embedding groove 6, an annular sealing ring 7, an annular attaching ring 8, an annular mounting groove 9, an annular filling air bag 10, an airtight core 11, an annular sealing gasket 12, a positioning insertion sleeve 13 and a tightening mechanism 14.
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.
As shown in fig. 1-2, the present invention provides a technical solution: a novel loose flange comprises a lower flange 1 and an upper flange 2, wherein flanged flanges 3 are movably inserted into the hollow inner sides of the lower flange 1 and the upper flange 2, four positioning holes are formed in the lower flange 1 and the upper flange 2 in an annular array, the lower flange 1 and the upper flange 2 are mutually connected through a tightening mechanism 14, the disc surfaces of the two flanged flanges 3 are mutually contacted and attached, three corresponding annular embedded grooves 6 are formed in the attached surfaces of the two flanged flanges 3, annular sealing rings 7 are embedded and installed in the two flanged flanges 3 through the annular embedded grooves 6, hollow flow distribution plates 4 are installed at the centers of the inner sides of the two flanged flanges 3, silencing media 5 are filled in the inner cavities of the hollow flow distribution plates 4, the connection relation between the hollow flow distribution plates 4 and the annular inner side walls of the corresponding flanged flanges 3 is welding, the surfaces of the hollow flow distribution plates 4 are smooth surfaces, the centers of the two flanged flanges 3 are positioned on the same vertical axis, the silencing medium 5 adopts silencing cotton or filling material of porous sound-absorbing material, the silencing medium 5 absorbs and reduces noise generated by fluid impact in the flanged flanges 3, the upper flange 2 is welded with a positioning through-inserting sleeve 13 at a positioning hole far away from the end surface of the lower flange 1, the tightening mechanism 14 comprises a positioning bolt and a locking nut, the positioning bolt penetrates through the positioning holes on the lower flange 1 and the upper flange 2 and penetrates through the corresponding positioning through-inserting sleeve 13 to be in threaded connection with the locking nut,
the upper flange 2 is provided with an annular attaching ring 8 on the surface close to the lower flange 1, the bottom end face of the annular attaching ring 8 is bonded with an annular sealing gasket 12, the annular inner side wall of the annular attaching ring 8 is provided with an annular mounting groove 9, the inner sides of the annular mounting grooves 9 are all provided with annular filling air bags 10, the tail ends of air guide pipes of the annular filling air bags 10 penetrate through the annular attaching ring 8 and extend to the outer side of the annular attaching ring and are fixedly provided with airtight cores 11, the annular filling air bags 10 are annular air bags made of soft rubber materials, the annular inner side wall of the annular filling air bags 10 is contacted and attached with the annular side faces of the two flange plates 3, the initial state of the annular filling air bags 10 is a filling state, the annular inner side wall of the annular filling air bags 10 is provided with annular bulges embedded into round corner connecting gaps between the two flange plates 3, so that the annular filling air, the matching gap between the annular filling air bag 10 and the flange plate 3 in the filling state is reduced to the maximum extent, the annular attaching ring 8 and the upper flange 2 are integrally formed, the vertical height of the annular attaching ring 8 is slightly smaller than the sum of the thicknesses of the flange plates 4 of the two flange plates 3, when the upper flange 2 and the lower flange 1 are connected through the take-up mechanism 14, the annular attaching ring 8 compresses and seals the surface of the lower flange 1 through the annular sealing gasket 12, so that the connection between the upper flange 2 and the lower flange 1 is subjected to the reverse acting force of the annular sealing gasket 12, the stability of the connection between structures is ensured, the initial state of the annular sealing gasket 12 is in a compressed state, the lower surface of the annular sealing gasket 12 is in contact fit with the top surface of the lower flange 1, and a matching gap is left between the annular inner side wall of the annular attaching ring 8 and the annular outer side wall of the flange, so that the outer side wall of the flange plate 3 is effectively sealed and wrapped when the annular filling air bag 10 is inflated and deformed under pressure.
In conclusion, the upper flange 2 and the lower flange 1 are fixedly connected through the tightening mechanism 14, the annular attaching ring 8 can be matched with the annular sealing gasket 12 to tightly press, close and seal the upper flange 2 and the lower flange 1, high-pressure gas is introduced into the annular filling bag 10 through the airtight core 11, the annular filling bag is deformed under pressure, the inner side wall of the annular filling bag 10 is contacted with the annular side wall of the flange plate 3, a gap between the inner side wall of the annular attaching ring 8 and the flange side surfaces of the two flange plates 3 is filled, the matching surfaces of the two flange plates 3 are hermetically wrapped, so that the sealing performance of the flange plates 3 in use is effectively improved, the hollow splitter plate 4 splits fluid, the impact of the fluid on the inner side wall of the flange plates 3 is reduced, the kinetic energy of the fluid loss is effectively reduced, and the sound medium 5 is arranged in the hollow splitter plate 4, noise that the reposition of redundant personnel produced in effectual flange 4 that turns up absorbs and falls makes an uproar.
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. Without further limitation, an element defined by the phrase "comprising a reference structure" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
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 (8)
1. The utility model provides a novel loose flange, includes flange and last flange down, its characterized in that: the hollow inner sides of the lower flange and the upper flange are movably inserted with flanged flanges, the lower flange and the upper flange are connected with each other through a tightening mechanism, the disc surfaces of the two flanged flanges are contacted and attached with each other, three corresponding annular embedded grooves are formed in the surfaces, attached to each other, of the two flanged flanges, annular sealing rings are embedded in the two flanged flanges through the annular embedded grooves, hollow flow distribution plates are installed at the centers of the inner sides of the two flanged flanges, and silencing media are filled in the inner cavities of the hollow flow distribution plates;
the upper flange is provided with annular laminating circle on the surface that is close to the lower flange, and the bottom terminal surface bonding of annular laminating circle has annular sealed pad, and annular mounting groove has been seted up to the annular inside wall of annular laminating circle, and annular packing bag is all installed to the inboard of annular mounting groove, and the terminal air duct that runs through annular laminating circle of annular packing bag extends to its outside and fixed mounting has airtight core.
2. The novel loose flange of claim 1, characterized in that: the hollow flow distribution plate and the corresponding annular inner side walls of the flanging flanges are connected by welding, the surface of the hollow flow distribution plate is a smooth surface, and the centers of the two flanging flanges are positioned on the same vertical axis.
3. The novel loose flange of claim 1, characterized in that: the silencing medium is made of silencing cotton or filling materials made of porous sound-absorbing materials.
4. The novel loose flange of claim 1, characterized in that: the annular filling air bag is made of soft rubber, the annular inner side wall of the annular filling air bag is in contact fit with the annular side face parts of the two flange plates, the initial state of the annular filling air bag is a filling state, and the annular inner side wall of the annular filling air bag is provided with an annular protrusion embedded into a fillet joint gap between the two flange plates.
5. The novel loose flange of claim 1, characterized in that: the annular attaching ring and the upper flange are integrally processed and formed, and the vertical height of the annular attaching ring is slightly smaller than the sum of the thicknesses of the flange plates of the two flanged flange plates.
6. The novel loose flange of claim 1, characterized in that: the initial state of the annular sealing gasket is a compressed state, and the lower surface of the annular sealing gasket is in contact fit with the top surface of the lower flange.
7. The novel loose flange of claim 1, characterized in that: the upper flange is welded with a positioning penetrating sleeve at a positioning hole far away from the end face of the lower flange, the tightening mechanism comprises a positioning bolt and a locking nut, and the positioning bolt penetrates through positioning holes in the lower flange and the upper flange and penetrates through the corresponding positioning penetrating sleeve to be in threaded connection with the locking nut.
8. The novel loose flange of claim 1, characterized in that: and a fit clearance is reserved between the annular inner side wall of the annular attaching ring and the annular outer side wall of the flange plate of the flanging flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011240157.3A CN112377689A (en) | 2020-11-09 | 2020-11-09 | Novel loose flange |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011240157.3A CN112377689A (en) | 2020-11-09 | 2020-11-09 | Novel loose flange |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112377689A true CN112377689A (en) | 2021-02-19 |
Family
ID=74578101
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011240157.3A Pending CN112377689A (en) | 2020-11-09 | 2020-11-09 | Novel loose flange |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112377689A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114931120A (en) * | 2022-07-04 | 2022-08-23 | 南方海洋科学与工程广东省实验室(湛江) | Flexibly connected feeding distributor and cultivation feeding system |
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| US20100059988A1 (en) * | 2007-08-27 | 2010-03-11 | Nowla Engineering Co., Ltd. | Loose flange pipe joint |
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| CN209909362U (en) * | 2019-05-31 | 2020-01-07 | 王森 | Novel flange for chemical pipeline |
| CN211289108U (en) * | 2019-11-20 | 2020-08-18 | 南京市第二建筑设计院有限公司 | Novel building heating and ventilation pipeline connecting device |
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| CN2596158Y (en) * | 2002-12-13 | 2003-12-31 | 宁波阿勒法管系机械制造有限公司 | Insulation connection structure of metal loosing flange pipe |
| US20100059988A1 (en) * | 2007-08-27 | 2010-03-11 | Nowla Engineering Co., Ltd. | Loose flange pipe joint |
| DE102010021834A1 (en) * | 2010-05-28 | 2011-12-01 | Lannewehr + Thomsen GmbH & Co. KG Ingenieurbüro für Apparate-, Rohrleitungs- und Dichtungstechnik | Loose flange connector i.e. flare flange connector, has pipe sockets connected over sealing material, where sealing material is arranged in force shunt between sealing surfaces in inwardly displaced manner opposite to fastening unit |
| KR101132734B1 (en) * | 2011-09-01 | 2012-04-06 | 주식회사 청우엔지니어링 | Water pipe connecting structure |
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| CN209909362U (en) * | 2019-05-31 | 2020-01-07 | 王森 | Novel flange for chemical pipeline |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114931120A (en) * | 2022-07-04 | 2022-08-23 | 南方海洋科学与工程广东省实验室(湛江) | Flexibly connected feeding distributor and cultivation feeding system |
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Application publication date: 20210219 |