CN112901863A - Negative pressure resistant composite hose - Google Patents
Negative pressure resistant composite hose Download PDFInfo
- Publication number
- CN112901863A CN112901863A CN201911217574.3A CN201911217574A CN112901863A CN 112901863 A CN112901863 A CN 112901863A CN 201911217574 A CN201911217574 A CN 201911217574A CN 112901863 A CN112901863 A CN 112901863A
- Authority
- CN
- China
- Prior art keywords
- hose
- negative pressure
- spiral steel
- steel wire
- pipe body
- 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
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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
- F16L11/00—Hoses, i.e. flexible pipes
- F16L11/04—Hoses, i.e. flexible pipes made of rubber or flexible plastics
- F16L11/08—Hoses, i.e. flexible pipes made of rubber or flexible plastics with reinforcements embedded in the wall
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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
- F16L11/00—Hoses, i.e. flexible pipes
- F16L11/04—Hoses, i.e. flexible pipes made of rubber or flexible plastics
- F16L11/12—Hoses, i.e. flexible pipes made of rubber or flexible plastics with arrangements for particular purposes, e.g. specially profiled, with protecting layer, heated, electrically conducting
- F16L11/125—Hoses, i.e. flexible pipes made of rubber or flexible plastics with arrangements for particular purposes, e.g. specially profiled, with protecting layer, heated, electrically conducting non-inflammable or heat-resistant hoses
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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
- F16L33/00—Arrangements for connecting hoses to rigid members; Rigid hose connectors, i.e. single members engaging both hoses
- F16L33/28—Arrangements for connecting hoses to rigid members; Rigid hose connectors, i.e. single members engaging both hoses for hoses with one end terminating in a radial flange or collar
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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
- F16L55/02754—Throttle passages using a central core throttling the passage
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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
- F16L57/00—Protection of pipes or objects of similar shape against external or internal damage or wear
- F16L57/02—Protection of pipes or objects of similar shape against external or internal damage or wear against cracking or buckling
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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
- F16L57/00—Protection of pipes or objects of similar shape against external or internal damage or wear
- F16L57/04—Protection of pipes or objects of similar shape against external or internal damage or wear against fire or other external sources of extreme heat
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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
- F16L57/00—Protection of pipes or objects of similar shape against external or internal damage or wear
- F16L57/06—Protection of pipes or objects of similar shape against external or internal damage or wear against wear
-
- 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
- F16L58/00—Protection of pipes or pipe fittings against corrosion or incrustation
- F16L58/02—Protection of pipes or pipe fittings against corrosion or incrustation by means of internal or external coatings
- F16L58/04—Coatings characterised by the materials used
- F16L58/10—Coatings characterised by the materials used by rubber or plastics
- F16L58/1009—Coatings characterised by the materials used by rubber or plastics the coating being placed inside the pipe
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
Abstract
The invention discloses a negative pressure resistant composite hose, which comprises a hose body, wherein hose joints are arranged at the left end and the right end of the hose body, flange plates are welded at one sides of the surfaces of the hose joints far away from the hose body, buffer blocks are arranged inside the hose joints, support frames are arranged at one sides of the buffer blocks close to the hose body, the upper end and the lower end of each support frame are welded and fixed with the inner wall of the hose joint, inner spiral steel wires are spirally arranged inside the hose body, and outer spiral steel wires are spirally sleeved outside the hose body. The invention prevents the inner spiral steel wire from deforming under the influence of negative pressure through the longitudinal support rod and the transverse support rod, improves the negative pressure resistance of the composite hose, reduces the impact force of water flow on the valve body, simultaneously reduces the impact force of impact water flow rebounding to the pipe body, and improves the service life of the composite hose and the service life of the valve body connected with the composite hose.
Description
Technical Field
The invention relates to the technical field of composite hoses, in particular to a negative pressure resistant composite hose.
Background
The composite hose is a special transport container and plays an important role in the field of transportation, the composite hose is a cylindrical transport container made of flexible materials, the composite hose is composed of a plurality of material multilayer sealing structures, the composite hose still has good fracture resistance and leakage resistance in the worst environment and is widely used in a plurality of liquid transport fields, and the existing composite hose is used for long-lift suction transportation due to insufficient pipe wall strength, so that strong negative pressure is accumulated in the pipe to cause pipe wall deformation, the flow in the pipe is reduced, and the suction efficiency is influenced.
Disclosure of Invention
The invention aims to provide a negative pressure resistant composite hose to solve the problem that the existing composite hose proposed in the background art is insufficient in pipe wall strength, so that strong negative pressure is accumulated in a pipe during long-lift suction transportation, the pipe wall is deformed, the flow in the pipe is reduced, and the suction efficiency is influenced.
In order to achieve the purpose, the invention provides the following technical scheme: a negative pressure resistant composite hose comprises a hose body, hose joints are arranged at the left end and the right end of the hose body, the edge of the hose joint close to one side of the joint connecting groove is provided with a joint connecting groove in an annular shape, the left end and the right end of the pipe body are inserted in the joint connecting grooves, one side of the surface of the hose joint, which is far away from the pipe body, is welded with a flange plate, the inside of the hose joint is provided with a buffer block, the edge of one end of the buffer block, which is far away from the pipe body, is welded and fixed with the inner wall of the hose connector, one side of the buffer block, which is near to the pipe body, is provided with a support frame, one end of the buffer block close to the support frame is welded and fixed with the middle part of the support frame, the upper end and the lower end of the support frame are welded and fixed with the inner wall of the hose connector, the inside of body is the heliciform and is provided with interior spiral steel wire, the outside of body is the heliciform and has cup jointed outer spiral steel wire.
Preferably, the pipe body comprises a rubber inner pipe, a fireproof layer and an anti-corrosion layer, the fireproof layer is paved on the surface of the rubber inner pipe, and the anti-corrosion layer is paved on the inner wall of the rubber inner pipe.
Preferably, the longitudinal section of the buffer block is in a shape of a four-corner star, and the area of a port of one end, far away from the pipe body, of the buffer block is larger than that of a port of the other end of the buffer block.
Preferably, the inside of the inner spiral steel wire is evenly provided with longitudinal support rods from left to right at equal intervals, and the upper end and the lower end of each longitudinal support rod are welded and fixed with the inner spiral steel wire.
Preferably, the inside of interior spiral steel wire evenly is provided with horizontal bracing piece from a left side to the right equidistance, and both ends all with interior spiral steel wire welded fastening around the horizontal bracing piece.
Preferably, the outer side of the outer spiral steel wire is sleeved with a weaving sleeve.
Compared with the prior art, the invention has the beneficial effects that: the composite hose is provided with the longitudinal supporting rods and the transverse supporting rods, the longitudinal supporting rods support the upper side and the lower side of the inner spiral steel wire, and the transverse supporting rods support the front side and the rear side of the inner spiral steel wire, so that the strength of the whole pressure bearing capacity of the composite hose is improved;
according to the invention, the buffer block is arranged, when the composite hose is used for liquid transportation, the buffer block buffers the liquid in the flow, when the hose joint is connected with the valve body through the flange plate, the impact force of water flow on the valve body caused by the closing of the valve body is effectively reduced, meanwhile, the impact force of impact water flow rebounding to the pipe body is also reduced, and the service life of the composite hose and the service life of the valve body connected with the composite hose are prolonged.
Description of the drawings:
in order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic sectional elevation view of the structure of the present invention;
FIG. 2 is an enlarged view of the structure A in FIG. 1 according to the present invention;
FIG. 3 is a schematic side sectional view of the construction of the hose coupler and the cushion block of the present invention;
FIG. 4 is a schematic side sectional view of the structure of the present invention.
In the figure: 1. a pipe body; 101. a rubber inner tube; 102. a fire barrier layer; 103. an anti-corrosion layer; 2. a hose connector; 3. a joint connecting groove; 4. a flange plate; 5. a buffer block; 6. a support frame; 7. an inner spiral steel wire; 8. a longitudinal support bar; 9. a transverse support bar; 10. an outer spiral wire; 11. and (6) weaving a sleeve.
The specific implementation mode is as follows:
the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, an embodiment of the present invention is shown: a negative pressure resistant composite hose comprises a hose body 1, hose joints 2 are arranged at the left end and the right end of the hose body 1 respectively, the hose body 1 comprises a rubber inner pipe 101, a fireproof layer 102 and an anti-corrosion layer 103, the fireproof layer 102 is laid on the surface of the rubber inner pipe 101, the anti-corrosion layer 103 is laid on the inner wall of the rubber inner pipe 101 and is used for effectively resisting flame of a fire source on the surface of the fireproof layer 102 as the main materials of the fireproof layer 102, such as portland cement, magnesium oxychloride cement, inorganic adhesive and the like, preventing the hose body 1 from being damaged due to firing to cause liquid leakage, improving the fireproof performance of the composite hose, the anti-corrosion layer 103 is composed of epoxy, rubber resin modification, nontoxic anti-rust pigment and filler, auxiliary agents and the like, has excellent chemical resistance, is nontoxic, resists corrosion caused by microorganisms, effectively improves the corrosion resistance of the hose body 1, joint connecting grooves 3 are annularly arranged at the edge of one side of the hose, the left end and the right end of the pipe body 1 are inserted in the joint connecting grooves 3, one side of the surface of the hose joint 2 far away from the pipe body 1 is welded with a flange plate 4, the inside of the hose joint 2 is provided with a buffer block 5, the edge of one end of the buffer block 5 far away from the pipe body 1 is welded and fixed with the inner wall of the hose connector 2, the longitudinal section of the buffer block 5 is in a four-pointed star shape, the area of the port of one end of the buffer block 5 far away from the pipe body 1 is larger than that of the port of the other end of the buffer block 5, the function of the buffer block is that the buffer block 5 buffers the liquid in the flow, when the hose connector 2 is connected with the valve body through the flange 4, effectual having reduced because of the valve body is closed, the impact force that rivers led to the fact the valve body, one side that buffer block 5 is close to body 1 all is provided with support frame 6, and buffer block 5 is close to support frame 6 one end all with support frame 6's middle part welded fastening, support frame 6's upper and lower both ends all with 2 inner wall welded fastening of hose nipple.
The inner part of the pipe body 1 is spirally provided with an inner spiral steel wire 7, the inner part of the inner spiral steel wire 7 is uniformly provided with longitudinal support rods 8 from left to right at equal intervals, the upper end and the lower end of each longitudinal support rod 8 are welded and fixed with the inner spiral steel wire 7, the inner part of the inner spiral steel wire 7 is uniformly provided with transverse support rods 9 from left to right at equal intervals, the front end and the rear end of each transverse support rod 9 are welded and fixed with the inner spiral steel wire 7 and are used for supporting the upper side and the lower side of the inner spiral steel wire 7 by the longitudinal support rods 8 and supporting the front side and the rear side of the inner spiral steel wire 7 by the transverse support rods 9, the strength of the whole pressure bearing capacity of the composite hose is improved, and when the composite hose is used for long-distance liquid pumping transportation, the longitudinal support rods 8 and the transverse support rods 9 prevent the inner spiral steel, the outside of body 1 is the heliciform and has cup jointed outer spiral steel wire 10, and the outside cover of outer spiral steel wire 10 is equipped with establishment cover 11, and its effect is woven for establishment cover 11 by the PET silk thread and forms, and the PET silk thread has wearability, expansibility, smoothness, fire resistance and ventilative thermal diffusivity, and effectual body 1 is protected, has improved this composite hose's life.
The working principle is as follows: the longitudinal support rods 8 support the upper side and the lower side of the inner spiral steel wire 7, the transverse support rods 9 support the front side and the rear side of the inner spiral steel wire 7, the strength of the whole pressure bearing capacity of the composite hose is improved, and when the composite hose is used for long-distance liquid pumping transportation, the longitudinal support rods 8 and the transverse support rods 9 prevent the inner spiral steel wire 7 from deforming under the influence of negative pressure, so that the negative pressure resistance capacity of the composite hose is improved;
when the composite hose is used for liquid transportation, the buffer block 5 buffers flowing liquid, when the hose joint 2 is connected with the valve body through the flange plate 4, the impact force of water flow on the valve body due to closing of the valve body is effectively reduced, the impact force of rebound of the impact water flow on the pipe body 1 is also reduced, the service life of the composite hose and the service life of the valve body connected with the composite hose are prolonged, and the whole working principle of the invention is described above.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. Anti negative pressure's compound hose, including body (1), its characterized in that: the pipe joint is characterized in that the left end and the right end of the pipe body (1) are respectively provided with a hose joint (2), the edge of the hose joint (2) close to one side of the joint connecting groove (3) is provided with the joint connecting groove (3) in an annular shape, the left end and the right end of the pipe body (1) are respectively inserted into the joint connecting groove (3), one side of the surface of the hose joint (2) far away from the pipe body (1) is welded with a flange plate (4), the inside of the hose joint (2) is provided with a buffer block (5), the edge of one end of the buffer block (5) far away from the pipe body (1) is welded and fixed with the inner wall of the hose joint (2), one side of the buffer block (5) close to the pipe body (1) is provided with a support frame (6), one end of the buffer block (5) close to the support frame (6) is welded and fixed with the middle part of the support frame (6), the inner spiral steel wire (7) is spirally arranged inside the pipe body (1), and the outer spiral steel wire (10) is spirally sleeved outside the pipe body (1).
2. The negative pressure resistant composite hose according to claim 1, wherein: the pipe body (1) comprises a rubber inner pipe (101), a fireproof layer (102) and an anti-corrosion layer (103), wherein the fireproof layer (102) is laid on the surface of the rubber inner pipe (101), and the anti-corrosion layer (103) is laid on the inner wall of the rubber inner pipe (101).
3. The negative pressure resistant composite hose according to claim 1, wherein: the longitudinal section of the buffer block (5) is in a four-corner star shape, and the area of a port of one end, away from the pipe body (1), of the buffer block (5) is larger than that of a port of the other end of the buffer block (5).
4. The negative pressure resistant composite hose according to claim 1, wherein: the inner part of the inner spiral steel wire (7) is uniformly provided with longitudinal support rods (8) from left to right at equal intervals, and the upper end and the lower end of each longitudinal support rod (8) are welded and fixed with the inner spiral steel wire (7).
5. The negative pressure resistant composite hose according to claim 1, wherein: the inner part of the inner spiral steel wire (7) is uniformly provided with transverse supporting rods (9) from left to right at equal intervals, and the front end and the rear end of each transverse supporting rod (9) are welded and fixed with the inner spiral steel wire (7).
6. The negative pressure resistant composite hose according to claim 1, wherein: the outer side of the outer spiral steel wire (10) is sleeved with a weaving sleeve (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911217574.3A CN112901863A (en) | 2019-12-03 | 2019-12-03 | Negative pressure resistant composite hose |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911217574.3A CN112901863A (en) | 2019-12-03 | 2019-12-03 | Negative pressure resistant composite hose |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112901863A true CN112901863A (en) | 2021-06-04 |
Family
ID=76103772
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911217574.3A Pending CN112901863A (en) | 2019-12-03 | 2019-12-03 | Negative pressure resistant composite hose |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112901863A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115337490A (en) * | 2022-04-29 | 2022-11-15 | 四川省医学科学院·四川省人民医院 | Support type urinary catheter |
-
2019
- 2019-12-03 CN CN201911217574.3A patent/CN112901863A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115337490A (en) * | 2022-04-29 | 2022-11-15 | 四川省医学科学院·四川省人民医院 | Support type urinary catheter |
| CN115337490B (en) * | 2022-04-29 | 2023-06-20 | 四川省医学科学院·四川省人民医院 | Support type urinary catheter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20210604 |