CN114673847A - Novel connect pipe fitting, gas pipeline and chemical material pipeline soon - Google Patents
Novel connect pipe fitting, gas pipeline and chemical material pipeline soon Download PDFInfo
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- CN114673847A CN114673847A CN202210393202.1A CN202210393202A CN114673847A CN 114673847 A CN114673847 A CN 114673847A CN 202210393202 A CN202210393202 A CN 202210393202A CN 114673847 A CN114673847 A CN 114673847A
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- steel pipe
- pipeline
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- 239000000463 material Substances 0.000 title claims abstract description 17
- 239000000126 substance Substances 0.000 title claims abstract description 8
- 238000007789 sealing Methods 0.000 claims abstract description 54
- 229910000831 Steel Inorganic materials 0.000 claims description 49
- 239000010959 steel Substances 0.000 claims description 49
- 229920001971 elastomer Polymers 0.000 claims description 18
- 150000001875 compounds Chemical class 0.000 claims description 15
- IMNIMPAHZVJRPE-UHFFFAOYSA-N triethylenediamine Chemical compound C1CN2CCN1CC2 IMNIMPAHZVJRPE-UHFFFAOYSA-N 0.000 claims description 12
- 239000002245 particle Substances 0.000 claims description 10
- 229920003023 plastic Polymers 0.000 claims description 10
- 239000004033 plastic Substances 0.000 claims description 10
- HIDBROSJWZYGSZ-UHFFFAOYSA-N 1-phenylpyrrole-2,5-dione Chemical compound O=C1C=CC(=O)N1C1=CC=CC=C1 HIDBROSJWZYGSZ-UHFFFAOYSA-N 0.000 claims description 9
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims description 9
- VCNTUJWBXWAWEJ-UHFFFAOYSA-J aluminum;sodium;dicarbonate Chemical compound [Na+].[Al+3].[O-]C([O-])=O.[O-]C([O-])=O VCNTUJWBXWAWEJ-UHFFFAOYSA-J 0.000 claims description 9
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 claims description 6
- 229910019142 PO4 Inorganic materials 0.000 claims description 6
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 6
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 claims description 6
- 230000003712 anti-aging effect Effects 0.000 claims description 6
- 239000011324 bead Substances 0.000 claims description 6
- 239000006229 carbon black Substances 0.000 claims description 6
- 239000003795 chemical substances by application Substances 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 6
- HIHIPCDUFKZOSL-UHFFFAOYSA-N ethenyl(methyl)silicon Chemical compound C[Si]C=C HIHIPCDUFKZOSL-UHFFFAOYSA-N 0.000 claims description 6
- 229920005560 fluorosilicone rubber Polymers 0.000 claims description 6
- 239000011521 glass Substances 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 6
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims description 6
- 239000010452 phosphate Substances 0.000 claims description 6
- 239000011297 pine tar Substances 0.000 claims description 6
- 229940068124 pine tar Drugs 0.000 claims description 6
- 239000000843 powder Substances 0.000 claims description 6
- 239000011347 resin Substances 0.000 claims description 6
- 229920005989 resin Polymers 0.000 claims description 6
- 229920002379 silicone rubber Polymers 0.000 claims description 6
- 239000004945 silicone rubber Substances 0.000 claims description 6
- 239000007921 spray Substances 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 6
- 229910052717 sulfur Inorganic materials 0.000 claims description 6
- 239000011593 sulfur Substances 0.000 claims description 6
- 239000012745 toughening agent Substances 0.000 claims description 6
- XAEWLETZEZXLHR-UHFFFAOYSA-N zinc;dioxido(dioxo)molybdenum Chemical compound [Zn+2].[O-][Mo]([O-])(=O)=O XAEWLETZEZXLHR-UHFFFAOYSA-N 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 4
- MPNXSZJPSVBLHP-UHFFFAOYSA-N 2-chloro-n-phenylpyridine-3-carboxamide Chemical compound ClC1=NC=CC=C1C(=O)NC1=CC=CC=C1 MPNXSZJPSVBLHP-UHFFFAOYSA-N 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 239000003566 sealing material Substances 0.000 claims description 3
- 238000004073 vulcanization Methods 0.000 claims description 3
- 230000001681 protective effect Effects 0.000 claims description 2
- 229920000426 Microplastic Polymers 0.000 claims 2
- 230000035939 shock Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 6
- 230000003139 buffering effect Effects 0.000 abstract description 4
- 239000007789 gas Substances 0.000 description 7
- 230000000903 blocking effect Effects 0.000 description 4
- 230000006378 damage Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000013016 damping Methods 0.000 description 2
- 239000002737 fuel gas Substances 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 238000011900 installation process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
Images
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
- F16L37/00—Couplings of the quick-acting type
- F16L37/02—Couplings of the quick-acting type in which the connection is maintained only by friction of the parts being joined
- F16L37/025—Couplings of the quick-acting type in which the connection is maintained only by friction of the parts being joined with an inner elastic part pressed against an outer part by reason of its elasticity
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D99/00—Subject matter not provided for in other groups of this subclass
- B29D99/0082—Producing articles in the form of closed loops, e.g. rings
- B29D99/0085—Producing articles in the form of closed loops, e.g. rings for sealing purposes
-
- 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
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/02—Sealings between relatively-stationary surfaces
- F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
- F16J15/062—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces characterised by the geometry of the seat
-
- 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
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/02—Sealings between relatively-stationary surfaces
- F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
- F16J15/10—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing
- F16J15/102—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing characterised by material
-
- 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
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/02—Sealings between relatively-stationary surfaces
- F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
- F16J15/10—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing
- F16J15/108—Special methods for making a non-metallic packing
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Non-Disconnectible Joints And Screw-Threaded Joints (AREA)
Abstract
The invention belongs to the technical field of quick-connection pipe fittings and discloses a novel quick-connection pipe fitting, a gas conveying pipeline and a chemical material conveying pipeline. The pipe fitting body is provided with two pipelines with different diameters, namely a first pipeline and a second pipeline, the two pipelines with different diameters are of a hollow structure, a positioning boss is arranged between the two pipelines, the positioning boss is of a chamfering structure, and an arc is arranged at the joint of the chamfering and the two pipelines. The sealing performance of the joint of the pipe fittings is improved by arranging the sealing pipe fittings, the effects of fastening, connecting and buffering are achieved, and the water seepage is reduced.
Description
Technical Field
The invention belongs to the technical field of quick-connection pipe fittings, and particularly relates to a novel quick-connection pipe fitting, a fuel gas conveying pipeline and a chemical material conveying pipeline.
Background
At present, pipe connection is more and more, and is also more and more popular, and the connection between the pipeline needs quick reliable relation of connection, and the appearance of connecing the pipe fitting soon can be with the quick connection between pipe fitting and the pipe fitting to intensity and rigidity also can both be satisfied after connecting.
However, the existing pipeline pipe fitting is easy to damage in the installation process and difficult to meet the requirements on high quality and low cost. Meanwhile, the existing quick-connection pipe fitting generally adopts a pipe external sealing mode, the outer surface of the pipe can be scraped to be damaged to different degrees during installation, the sealing property between the outer surface of the pipe and the pipe fitting is reduced, the service life of the pipe is shortened, and hidden dangers such as pipe falling and the like are easy to occur.
Through the above analysis, the problems and defects of the prior art are as follows:
(1) the existing pipeline pipe fitting is easy to damage in the installation process and difficult to meet the requirements on high quality and low cost
(2) The existing quick-connection pipe fitting generally adopts a pipe external sealing mode, the outer surface of the pipe fitting can be scraped to be damaged in different degrees during installation, the sealing property between the outer surface of the pipe fitting and the pipe fitting is reduced, the service life of the pipe fitting is shortened, and hidden dangers such as pipe falling and the like are easy to occur.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a novel quick-connection pipe fitting, a fuel gas conveying pipeline and a chemical material conveying pipeline.
The invention is realized in such a way that a novel quick-connection pipe fitting is provided with:
a tube body; the pipe fitting comprises a pipe fitting body and is characterized in that a steel pipe is fixedly arranged inside the pipe fitting body, the pipe fitting body is fixedly connected with the steel pipe through a multilayer sealing structure, the multilayer sealing structure is provided with a sealing ring, a protection ring is tightly combined at the rear end of the sealing ring, a stop ring is arranged at the rear end of the protection ring, the steel pipe is in interference fit with the steel pipe after being combined with the pipe fitting body, a gap is formed between the protection ring and the stop ring, the sealing ring is fixed at the upper end of a connecting groove, and the stop ring is fixed at the lower end of the connecting groove.
Further, the pipe fitting body is provided with two pipelines with different diameters, namely a first pipeline and a second pipeline, the two pipelines with different diameters are of a hollow structure, a positioning boss is arranged between the two pipelines, the positioning boss is of a chamfer structure, and an arc is arranged at the joint of the chamfer and the two pipelines.
Further, second pipeline rear end is equipped with the spread groove, the spread groove is equipped with front end fixed slot and rear end fixed slot, the front end fixed slot is the radius structure, and the rear end fixed slot is the arc structure, be equipped with sealing washer and guard ring in the front end fixed slot, can have the cushioning effect when the ring striking spread groove through the radius structure, can not produce the injury to guard ring and sealing washer.
Further, the periphery of the stop ring is conical, the stop ring is connected with the steel pipe in an interference fit mode, when the steel pipe and the stop ring are fixed, the stop ring moves along with the steel pipe, a rigid body is arranged inside the stop ring, and the rigid body, the steel pipe and the stop ring are hinged.
Further, the steel pipe front end is equipped with circular chamfer, the chamfer size and the chamfer angle of steel pipe front end are the same with the chamfer structure between first pipeline and the second pipeline, the steel pipe internal diameter size is the same with first pipeline scope.
Further, the sealing ring is made of an anti-seepage material, and is made of the following materials in parts by mass: 2-4 parts of trimethyl ammonium chloride, 70-80 parts of methyl vinyl silicone rubber, 20-30 parts of fluorosilicone rubber, 8-10 parts of C5/C9 copolymerized gas resin, 8-6 parts of an anti-aging agent DNP4, 7-9 parts of triethylene diamine, 5-7 parts of triisopropylphenyl phosphate, 6-10 parts of basic sodium aluminum carbonate, 10-12 parts of glass beads, 8-10 parts of spray carbon black, 6-8 parts of hexaphenoxycyclotriphosphazene, 4-6 parts of basic lead silicate, 20-25 parts of borosilicate powder, 10-15 parts of zinc molybdate, 3-5 parts of aluminum hydroxide, 2-4 parts of N-phenylmaleimide, 1-2 parts of sulfur, 4-6 parts of pine tar and 5-7 parts of spindle oil.
Further, the specific manufacturing steps of the sealing ring are as follows:
the method comprises the following steps: adding the C5/C9 copolymerized gas resin, the fluorosilicone rubber and the methyl vinyl silicone rubber into a high-speed crusher, stirring and mixing, and uniformly mixing and stirring to obtain the toughening agent.
Step two: heating the toughening agent to 65-75 ℃ and banburying for 20min, then adding an anti-aging agent DNP2-3min, sequentially adding triethylene diamine, triisopropylphenyl phosphate, spindle oil, basic sodium aluminum carbonate and N-phenyl maleimide, heating to 150 ℃, and continuing banburying for 12min to obtain a dense rubber compound;
step three: cooling the rubber compound to 20 ℃, and then putting the rubber compound, basic sodium aluminum carbonate, glass beads, spray carbon black, hexaphenoxycyclotriphosphazene, basic lead silicate, silico-borocalcite powder and zinc molybdate into a high-speed mixer to be uniformly stirred to obtain a mixed material;
step four: adding aluminum hydroxide, N-phenylmaleimide, sulfur, pine tar and hexaphenoxycyclotriphosphazene into the mixture, and continuously and uniformly mixing to obtain a mixed rubber;
step five: and (2) feeding the rubber compound into a vulcanization device, preheating at 105 ℃, draining into a pressurization device when the rubber compound can flow, vulcanizing for 15min in the pressurization device under the pressure of 7-12Mpa, and guiding into a mold for cooling to obtain the sealing ring.
Further, the guard ring is made of plastic particles with damping, buffering and sealing materials, and the plastic particles are provided with a main body, a supporting block and a blocking cover.
Furthermore, a blocking cover is fixed on the outer side wall of the main body, a supporting block is arranged inside the main body, plastic particles are filled around the supporting block, and a gap layer and a cushioning hole are arranged inside the plastic particles.
Further, a rigid body is fixed inside the stop ring, the rigid body is a circular ring-shaped fixed body, the rigid body is embedded inside the stop ring, and the thickness of a buffer layer at one end, far away from the sealing ring, of the stop ring is larger than that at one end close to the thickness of the sealing ring.
Another purpose of the present invention is to provide a gas transmission pipeline, wherein the gas transmission pipeline is connected through the novel quick-connecting pipe fitting.
The invention also aims to provide chemical material conveying pipelines which are connected through the novel quick-connection pipe fitting.
In combination with the above technical solutions and the technical problems to be solved, please analyze the advantages and positive effects of the technical solutions to be protected in the present invention from the following aspects:
first, aiming at the technical problems existing in the prior art and the difficulty in solving the problems, the technical problems to be solved by the technical scheme of the present invention are closely combined with results, data and the like in the research and development process, and some creative technical effects are brought after the problems are solved. The specific description is as follows:
according to the embodiment of the invention, the steel pipe is fixedly arranged in the pipe fitting body, the pipe fitting body is fixedly connected with the steel pipe through the multilayer sealing structure, the situation of water leakage cannot occur after installation, meanwhile, the sealing ring is arranged on the multilayer sealing structure, the protection ring is tightly combined at the rear end of the sealing ring, the sealing ring cannot be damaged even if the pipe fitting moves, and the service life of the sealing ring and the working time of the device are ensured; the protection ring rear end is equipped with only encloses, and after steel pipe and pipe fitting body combine for interference fit between sealing washer and the steel pipe, the protection ring with only enclose between be equipped with the space, the sealing washer is fixed in the spread groove upper end, only encloses to be fixed at the spread groove lower extreme, only encloses and can produce the linkage with the steel pipe, both can play the cushioning effect, also can not make the device produce too big moment of torsion because of rigid connection.
Secondly, considering the technical scheme as a whole or from the perspective of products, the technical effect and advantages of the technical scheme to be protected by the invention are specifically described as follows:
according to the embodiment of the invention, the sealing performance of the pipe fitting joint is improved by arranging the sealing pipe fitting, so that the effects of fastening, connecting and buffering are achieved, and the occurrence of water seepage is reduced.
Drawings
Fig. 1 is a schematic structural view of a novel quick-connect pipe fitting provided by an embodiment of the invention;
FIG. 2 is a flow chart illustrating a method for manufacturing a seal ring according to an embodiment of the present invention;
in the figure: 1. a tube body; 2. a steel pipe; 3. a seal ring; 4. a guard ring; 5. and (5) stopping the ring.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and do not limit the invention.
First, an embodiment is explained. This section is an explanatory embodiment expanding on the claims so as to fully understand how the present invention is embodied by those skilled in the art.
As shown in fig. 1, a steel pipe 2 is fixedly installed inside a pipe fitting body 1 provided by an embodiment of the present invention, the pipe fitting body 1 is fixedly connected with the steel pipe 2 through a multilayer sealing structure, the multilayer sealing structure is provided with a sealing ring 3, a protection ring 4 is tightly combined at the rear end of the sealing ring 3, a stop ring 5 is arranged at the rear end of the protection ring 4, the sealing ring 3 and the steel pipe 2 are in interference fit after the steel pipe 2 is combined with the pipe fitting body 1, a gap is arranged between the protection ring 4 and the stop ring 5, the sealing ring 3 is fixed at the upper end of a connecting groove, and the stop ring 5 is fixed at the lower end of the connecting groove.
The pipe fitting body 1 is provided with two pipelines with different diameters, namely a first pipeline and a second pipeline, the two pipelines with different diameters are of a hollow structure, a positioning boss is arranged between the two pipelines, the positioning boss is of a chamfering structure, and an arc is arranged at the joint of the chamfering and the two pipelines.
Second pipeline rear end is equipped with the spread groove, and the spread groove is equipped with front end fixed slot and rear end fixed slot, and the front end fixed slot is the radius structure, and the rear end fixed slot is the arc structure, is equipped with sealing washer 3 and guard ring 4 in the front end fixed slot, can have the cushioning effect when 5 striking spread grooves of ring stopping through the radius structure, can not produce the injury to guard ring 4 and sealing washer 3.
The periphery of the stop ring 5 is conical, the stop ring 5 is connected with the steel pipe 2 in an interference fit mode, when the steel pipe 2 and the stop ring 5 are fixed, the stop ring 5 moves along with the steel pipe 2, a rigid body is arranged inside the stop ring 5, and the rigid body, the steel pipe 2 and the stop ring 5 are hinged.
The front end of the steel pipe 2 is provided with a round chamfer, the chamfer size and the chamfer angle at the front end of the steel pipe 2 are the same as the chamfer structure between the first pipeline and the second pipeline, and the inner diameter size of the steel pipe 2 is the same as the inner diameter size of the first pipeline.
The sealing ring 3 is made of an impermeable material, and the sealing ring 3 is made of the following materials in parts by mass: 2-4 parts of trimethyl ammonium chloride, 70-80 parts of methyl vinyl silicone rubber, 20-30 parts of fluorosilicone rubber, 8-10 parts of C5/C9 copolymerized gas resin, 8-6 parts of an anti-aging agent DNP4, 7-9 parts of triethylene diamine, 5-7 parts of triisopropylphenyl phosphate, 6-10 parts of basic sodium aluminum carbonate, 10-12 parts of glass beads, 8-10 parts of spray carbon black, 6-8 parts of hexaphenoxycyclotriphosphazene, 4-6 parts of basic lead silicate, 20-25 parts of borosilicate powder, 10-15 parts of zinc molybdate, 3-5 parts of aluminum hydroxide, 2-4 parts of N-phenylmaleimide, 1-2 parts of sulfur, 4-6 parts of pine tar and 5-7 parts of spindle oil.
The protective ring 4 is made of plastic particles with damping, buffering and sealing materials, and the plastic particles are provided with a main body, a supporting block and a blocking cover.
The outer side wall of the main body is fixedly provided with a blocking cover, a supporting block is arranged in the main body, plastic particles are filled around the supporting block, and a gap layer and a cushioning hole are arranged in the plastic particles.
A rigid body is fixed inside the stop ring 5, the rigid body is a circular ring-shaped fixed body, the rigid body is embedded inside the stop ring 5, and the thickness of a buffer layer at one end, far away from the sealing ring 3, of the stop ring 5 is larger than that at one end, close to the sealing ring 3, of the buffer layer.
As shown in fig. 2, the seal ring provided by the embodiment of the present invention specifically comprises the following steps:
s201: adding the C5/C9 copolymerized gas resin, the fluorosilicone rubber and the methyl vinyl silicone rubber into a high-speed crusher, stirring and mixing, and uniformly mixing and stirring to obtain a toughening agent;
s202: heating the toughening agent to 65-75 ℃ and banburying for 20min, then adding an anti-aging agent DNP2-3min, sequentially adding triethylene diamine, triisopropylphenyl phosphate, spindle oil, basic sodium aluminum carbonate and N-phenyl maleimide, heating to 150 ℃, and continuing banburying for 12min to obtain a dense rubber compound;
s203: cooling the rubber compound to 20 ℃, and then putting the rubber compound, basic sodium aluminum carbonate, glass beads, spray carbon black, hexaphenoxycyclotriphosphazene, basic lead silicate, silico-borocalcite powder and zinc molybdate into a high-speed mixer to be uniformly stirred to obtain a mixed material;
s204: adding aluminum hydroxide, N-phenylmaleimide, sulfur, pine tar and hexaphenoxycyclotriphosphazene into the mixture, and continuously and uniformly mixing to obtain a mixed rubber;
s205: and (2) feeding the rubber compound into a vulcanization device, preheating at 105 ℃, draining into a pressurization device when the rubber compound can flow, vulcanizing for 15min in the pressurization device under the pressure of 7-12Mpa, and guiding into a mold for cooling to obtain the sealing ring.
The quick-connection pipe fitting is an undetachable quick-connection pipe fitting, when a steel pipe is inserted into a pipe fitting body, firstly, a stop ring is contacted, secondly, a protection ring is contacted, the protection ring has the function of protecting a sealing ring from being extruded and damaged by the steel pipe, the steel pipe is tightly matched when penetrating through the sealing ring, and finally, the steel pipe reaches the bottom of a pipe fitting socket.
When the water pressure in the pipeline is increased, the pipe fitting and the steel pipe are axially pulled and drive the stop ring to slide together, when the pipe slides to a certain distance, the steel body in the stop ring is influenced by the specially-made conical surface of the pipe fitting, the steel body hinges the surface of the steel pipe to stop the sliding of the steel pipe and the pipe fitting, and the higher the water pressure in the pipeline is, the larger the hinging force is, so that the quick-connection pipe fitting body and the steel pipe are prevented from being pulled off.
And II, application embodiment. In order to prove the creativity and the technical value of the technical scheme of the invention, the part is the application example of the technical scheme of the claims on specific products or related technologies.
The novel quick-connection pipe fitting provided by the invention is applied to the connection of pipelines, particularly to the connection of pipelines requiring long distance, and the long-distance pipeline connection can generate strong water hammer effect when the pipelines are opened or closed, so that the pipelines are greatly damaged, and the connection among the pipelines is very tested.
The above description is only for the purpose of illustrating the present invention and the appended claims are not to be construed as limiting the scope of the invention, which is intended to cover all modifications, equivalents and improvements that are within the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. The utility model provides a novel connect pipe fitting soon which characterized in that, novel connect pipe fitting soon is provided with:
a tube body;
a steel pipe is fixedly arranged in the pipe fitting body, the pipe fitting body is fixedly connected with the steel pipe through a multi-layer sealing structure, the multi-layer sealing structure is provided with a sealing ring, a protection ring is tightly combined at the rear end of the sealing ring, and a stop ring is arranged at the rear end of the protection ring;
after the steel pipe is combined with the pipe fitting body, the sealing ring is in interference fit with the steel pipe, a gap is formed between the protective ring and the stop ring, the sealing ring is fixed at the upper end of the connecting groove, and the stop ring is fixed at the lower end of the connecting groove.
2. The novel quick-connecting pipe fitting as claimed in claim 1, wherein the pipe fitting body is provided with two pipes with different diameters, namely a first pipe and a second pipe, the two different pipes are hollow structures, a positioning boss is arranged between the two pipes, the positioning boss is a chamfer structure, and an arc is arranged at the joint of the chamfer and the two pipes.
3. The novel quick-connect pipe fitting as claimed in claim 1, wherein the second pipeline is provided at a rear end thereof with a connecting groove, the connecting groove is provided with a front end fixing groove and a rear end fixing groove, the front end fixing groove is of a rounded structure, the rear end fixing groove is of an arc structure, and a sealing ring and a protection ring are arranged in the front end fixing groove.
4. The novel quick-connecting pipe fitting as claimed in claim 1, wherein the periphery of the stop ring is conical, the stop ring is connected with the steel pipe in an interference fit manner, when the steel pipe and the stop ring are fixed, the stop ring moves along with the steel pipe, a rigid body is arranged inside the stop ring, and a hinged connection is formed among the rigid body, the steel pipe and the stop ring.
5. The novel quick-connection pipe fitting as claimed in claim 1, wherein a round chamfer is arranged at the front end of the steel pipe, the chamfer size and the chamfer angle of the front end of the steel pipe are the same as the chamfer structure between the first pipeline and the second pipeline, and the inner diameter size of the steel pipe is the same as the inner diameter size of the first pipeline.
6. The novel quick-connecting pipe fitting as claimed in claim 1, wherein the sealing ring is made of impermeable material, and is made of the following materials in parts by mass: 2-4 parts of trimethyl ammonium chloride, 70-80 parts of methyl vinyl silicone rubber, 20-30 parts of fluorosilicone rubber, 8-10 parts of C5/C9 copolymerized gas resin, 8-6 parts of an anti-aging agent DNP4, 7-9 parts of triethylene diamine, 5-7 parts of triisopropylphenyl phosphate, 6-10 parts of basic sodium aluminum carbonate, 10-12 parts of glass beads, 8-10 parts of spray carbon black, 6-8 parts of hexaphenoxycyclotriphosphazene, 4-6 parts of basic lead silicate, 20-25 parts of borosilicate powder, 10-15 parts of zinc molybdate, 3-5 parts of aluminum hydroxide, 2-4 parts of N-phenylmaleimide, 1-2 parts of sulfur, 4-6 parts of pine tar and 5-7 parts of spindle oil.
7. The novel quick-connect pipe fitting as claimed in claim 6, wherein the seal ring is prepared by the following steps:
the method comprises the following steps: adding the C5/C9 copolymerized gas resin, the fluorosilicone rubber and the methyl vinyl silicone rubber into a high-speed crusher, stirring and mixing, and uniformly mixing and stirring to obtain a toughening agent;
step two: heating the toughening agent to 65-75 ℃ and banburying for 20min, then adding an anti-aging agent DNP2-3min, sequentially adding triethylene diamine, triisopropylphenyl phosphate, spindle oil, basic sodium aluminum carbonate and N-phenyl maleimide, heating to 150 ℃, and continuing banburying for 12min to obtain a dense rubber compound;
step three: cooling the rubber compound to 20 ℃, and then putting the rubber compound, basic sodium aluminum carbonate, glass beads, spray carbon black, hexaphenoxycyclotriphosphazene, basic lead silicate, silico-borocalcite powder and zinc molybdate into a high-speed mixer to be uniformly stirred to obtain a mixed material;
step four: adding aluminum hydroxide, N-phenylmaleimide, sulfur, pine tar and hexaphenoxycyclotriphosphazene into the mixture, and continuously and uniformly mixing to obtain a mixed rubber;
step five: and (2) feeding the rubber compound into a vulcanization device, preheating at 105 ℃, draining into a pressurization device when the rubber compound can flow, vulcanizing for 15min in the pressurization device under the pressure of 7-12Mpa, and guiding into a mold for cooling to obtain the sealing ring.
8. The new quick connect pipe fitting of claim 1 wherein said guard ring is made of plastic granules with shock absorbing, cushioning and sealing material, said plastic granules having a body, support blocks and a stop cover;
a baffle cover is fixed on the outer side wall of the main body, a supporting block is arranged in the main body, plastic particles are filled around the supporting block, and a gap layer and a cushioning hole are arranged in the plastic particles;
the stop ring is characterized in that a rigid body is fixed inside the stop ring and is a circular ring-shaped fixed body, the rigid body is embedded inside the stop ring, and the thickness of a buffer layer at one end, far away from the sealing ring, of the stop ring is larger than that at one end close to the thickness of the sealing ring.
9. A gas conveying pipeline is characterized in that the gas conveying pipelines are connected through the novel quick-connection pipe fitting as claimed in any one of claims 1 to 8.
10. A chemical material conveying pipeline is characterized in that the chemical material conveying pipelines are connected through the novel quick-connection pipe fitting according to any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210393202.1A CN114673847A (en) | 2022-04-14 | 2022-04-14 | Novel connect pipe fitting, gas pipeline and chemical material pipeline soon |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210393202.1A CN114673847A (en) | 2022-04-14 | 2022-04-14 | Novel connect pipe fitting, gas pipeline and chemical material pipeline soon |
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| Publication Number | Publication Date |
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| CN114673847A true CN114673847A (en) | 2022-06-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210393202.1A Pending CN114673847A (en) | 2022-04-14 | 2022-04-14 | Novel connect pipe fitting, gas pipeline and chemical material pipeline soon |
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| CN (1) | CN114673847A (en) |
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| CN105176100A (en) * | 2015-09-10 | 2015-12-23 | 吴量 | Environmentally friendly, flame retardant and weather-proof rubber sealing ring material and preparation method thereof |
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| CN111720555A (en) * | 2020-07-16 | 2020-09-29 | 广水市普瑞赛斯新材料有限公司 | Composite water-stopping rubber sealing ring |
| CN213533335U (en) * | 2020-10-12 | 2021-06-25 | 昆山金粒子塑胶材料有限公司 | Plastic particle with flame retardant effect |
| CN213929811U (en) * | 2020-12-15 | 2021-08-10 | 成都全员塑胶管业有限公司 | Sealing connection structure for loose joint pipe fitting |
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