CN112901865A - Flange connected hose assembly - Google Patents
Flange connected hose assembly Download PDFInfo
- Publication number
- CN112901865A CN112901865A CN202110173765.5A CN202110173765A CN112901865A CN 112901865 A CN112901865 A CN 112901865A CN 202110173765 A CN202110173765 A CN 202110173765A CN 112901865 A CN112901865 A CN 112901865A
- Authority
- CN
- China
- Prior art keywords
- hose
- flange
- layer
- left flange
- hose assembly
- 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
Links
- 239000004744 fabric Substances 0.000 claims description 30
- 238000004804 winding Methods 0.000 claims description 13
- 239000011248 coating agent Substances 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 4
- 230000001681 protective effect Effects 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims 2
- 238000004073 vulcanization Methods 0.000 abstract description 3
- 239000010410 layer Substances 0.000 description 52
- 229910000831 Steel Inorganic materials 0.000 description 12
- 239000010959 steel Substances 0.000 description 12
- 238000005452 bending Methods 0.000 description 10
- 238000007789 sealing Methods 0.000 description 8
- 239000011247 coating layer Substances 0.000 description 7
- 239000000463 material Substances 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- 239000003292 glue Substances 0.000 description 5
- 238000006073 displacement reaction Methods 0.000 description 4
- 239000012530 fluid Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000003513 alkali Substances 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000003317 industrial substance Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 239000003209 petroleum derivative Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Images
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
- 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
- F16L11/088—Hoses, i.e. flexible pipes made of rubber or flexible plastics with reinforcements embedded in the wall comprising a combination of one or more layers of a helically wound cord or wire with one or more braided layers
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
- Joints That Cut Off Fluids, And Hose Joints (AREA)
Abstract
The invention discloses a flange-connected hose assembly. The hose comprises a hose (1) with a multilayer structure, and is characterized in that a flange joint at the end part of the hose (1) is formed by matching a left flange (2) and a right flange (3), a clamping part between the left flange (2) and the right flange (3) is at least one structural layer of the hose (1), the clamping part or one part of the clamping part extends and covers the outer circle surface and the other plane surface of the left flange (2), and the hose (1) is integrally fixed with the left flange (2) and the right flange (3) in a vulcanization mode. The invention is particularly suitable for small fields or small spaces.
Description
The technical field is as follows:
the invention relates to an industrial hose, in particular to a hose assembly with a small bending curvature radius.
Background art:
the hose made of rubber or rubber plastic material has good flexibility, wear resistance, oil resistance, erosion resistance, compression resistance or tensile resistance, so the hose is widely applied to the technical fields of aerospace, petroleum and natural gas, industrial chemical industry, food transportation, engineering machinery and the like, in practical use, the rubber hose mainly conveys liquid, slurry fluid, granular fluid and the like, and has higher liquid pressure or flow speed under many conditions, therefore, in order to ensure good connection strength and good liquid tightness with the hose, the metal pipe joint connected with the end part of a general hose has a considerable length so as to meet the requirements, for example, the length of the metal pipe joint of a general buckling type, a high pressure type or a pre-embedded type reaches dozens of centimeters, when the hose is used in a small space or needs to be stored on a reel frame, the hose cannot be bent so that the hose is difficult to use, if external force is applied to excessively bend the hose part in the hose assembly, the junction part of the metal pipe joint and the hose is excessively bent or the internal stress is excessively large to damage the hose, the service life of the hose is shortened, and leakage or burst accidents can occur in severe cases. Therefore, how to solve the above-mentioned drawbacks of the hose assembly in the prior art is still a problem to be solved.
The invention content is as follows:
the invention aims to disclose a hose assembly with a double-flange-piece joint, which has the advantages of high connection strength, good sealing performance and high flexibility.
The technical solution for realizing the invention is as follows: the hose comprises a hose with a multilayer structure, the key point is that a flange joint at the end part of the hose is formed by matching a left flange and a right flange, a clamping part between the left flange and the right flange is at least one structural layer of the hose, the clamping part or one part of the clamping part extends and covers the outer circle surface and the other plane surface of the left flange, and the hose is integrally fixed with the left flange and the right flange in a vulcanization mode.
The hose is composed of an inner rubber layer, an inner rubber cloth layer, a supporting layer with wound steel wires, an outer rubber cloth layer and an outer rubber layer which are sequentially arranged from inside to outside.
The clamping part of the hose clamped by the left flange and the right flange is an inner rubberized fabric layer and an outer rubberized fabric layer, wherein the inner rubberized fabric layer extends to coat the outer circle surface and the other plane surface of the left flange to form an extending coating layer.
The inner rubberized fabric layer and the outer rubberized fabric layer extend to coat the outer circle surface and the other plane surface of the left flange to form an extending coating layer.
The inner rubber layer integrally extends to cover the extension coating layer to form an end surface rubber layer.
And the outer circle surfaces of the left flange and the right flange are provided with outer circle protective glue layers.
The part of the winding steel wire in the supporting layer, which is close to the right flange, is provided with 3-6 circles of winding steel wires, and the winding density of the winding steel wire is greater than that of the winding steel wire in the middle of the hose.
The unique design of the joint in the technical scheme disclosed by the invention ensures the connecting strength and the sealing performance of the joint and the hose, and simultaneously, the length of the metal joint is in the magnitude of several centimeters, and is greatly reduced compared with the length of the metal pipe joint in the prior art, so that the hose assembly can realize larger bending, is particularly suitable for small fields or small spaces, can be coiled and released with smaller radius, and has specific protection on the connecting area when the hose assembly is bent due to the specific design of the connecting area of the hose and the joint, thereby having remarkable progress and technical effects.
The attached drawings of the specification:
FIG. 1 is a schematic cross-sectional view of an embodiment of the present invention.
Fig. 2 is an enlarged schematic structural view of a part of the structure of fig. 1.
Fig. 3 is a schematic connection diagram of the structure shown in fig. 1.
The specific implementation mode is as follows:
specific embodiments of the present invention will be described in detail with reference to the accompanying drawings, which are provided to facilitate understanding of the technical spirit of the present invention and should not be construed as limiting the scope of the claims of the present invention.
Referring to fig. 1 to 3, a technical solution of an embodiment of the present invention is: the hose comprises a hose 1 with a multilayer structure, and is characterized in that a flange joint at the end part of the hose 1 is formed by matching a left flange 2 and a right flange 3, wherein the matching means that the left flange (2) and the right flange (3) are overlapped and a plurality of bolt through holes correspond to each other, a clamping part of the left flange (2) and the right flange (3) is at least one structural layer of the hose 1, the clamping part or one part of the clamping part extends to cover the outer circle surface and the other flat surface of the left flange 2, the other flat surface is the opposite flat surface of the clamping surface of the structural layer of the hose 1 clamped by the left flange 2 or the left flat surface of the left flange 2 shown in the figure, the hose 1 and the left flange (2) and the right flange (3) are integrally vulcanized and fixed, and the vulcanization process of rubber or rubber plastic materials. In the technical scheme, the hose 1 is mainly prepared from rubber or rubber plastic materials, other bendable materials are used as auxiliary materials, the hose 1 has good flexibility, the joint of the hose assembly is composed of the left flange (2) and the right flange (3), namely the joint formed by the left flange (2) and the right flange (3) is an inflexible part when the hose assembly is bent, the length of the joint is 2-4 cm as the thickness of the left flange (2) and the right flange (3) is only 1-2 cm and is possibly slightly larger than 2 cm under special conditions or specification requirements, and compared with the length of a metal pipe joint in the prior art, the influence of the length of the joint on the bending degree of the hose assembly can be basically ignored. When the hose assembly is used, the two flange joints are connected through the fixing bolts (as shown in fig. 3, the fixing bolts are not shown), the fastening force of the bolts enables the left flange (2) and the right flange (3) to apply a pressure to the middle clamped part, so that the hose 1 is more difficult to be separated from the flange joints when being subjected to external acting force such as stretching force, the clamped part of the hose 1 extends and covers the outer circle surface and the other flat surface of the left flange 2, two bent parts are formed at two corners of the outer circle of the left flange 2 by the clamped part, and the corners have resistance larger than friction force to the displacement of the clamped part subjected to the external stretching force, namely the clamped part is separated from the clamping state, so that the connection strength and the sealing performance between the hose 1 and the joints are further improved.
The hose 1 is formed by sequentially arranging an inner rubber layer 4, an inner rubber cloth layer 5, a supporting layer 7 with a wound steel wire 6, an outer rubber cloth layer 8 and an outer rubber layer 9 from inside to outside; the inner rubber layer 4 is a structural layer directly contacting with the conveyed fluid, is prepared from a wear-resistant, high-strength, high-temperature-resistant or acid-alkali-resistant rubber material according to requirements, and has a supporting layer 7 with wound steel wires 6, so that the radial supporting performance and the axial tensile resistance of the hose 1 can be greatly improved; the inner and outer rubberized fabric layers 5, 8 are each formed by at least one layer of wound fabric, which improves the radial and axial performance of the hose 1. Based on the structure of the hose 1, the clamping part of the hose 1 clamped by the left flange 2 and the right flange 3 is an inner rubberized fabric layer 5 and an outer rubberized fabric layer 8, wherein the inner rubberized fabric layer 5 extends to coat the outer circle surface and the other plane surface of the left flange 2 to form a coating layer 10; the extension coating layer 10 of the extension coating left flange 2 of the inner rubberized fabric layer 5 greatly increases the area of the contact surface of the inner rubberized fabric layer 5 and the left flange 2, when the hose 1 is subjected to tensile force, the inner rubberized fabric layer 5 and the extension coating layer 10 greatly increase the frictional resistance between the inner rubberized fabric layer 5 and the left flange 2, and meanwhile, two corners of the outer circular surface of the left flange 2 have obvious blocking effect on the displacement of the inner rubberized fabric layer 5, so that the connection strength between the hose 1 and the joint is greatly increased by the structure. In addition to the above structure, the inner and outer rubberized fabric layers 5 and 8 extend to cover the outer circumferential surface and the other flat surface of the left flange 2, forming a covering layer 10, for the same reasons as described above, the extension coating 10 increases the frictional resistance with the left flange 2, and because the inner rubberized fabric layer 5 and the outer rubberized fabric layer 8 extend to wrap the left flange 2 at the same time, when the hose 1 is subjected to tensile force, the friction force on the inner and outer rubberized fabric layers 5 and 8 is hindered by two corners of the outer circumferential surface of the left flange 2, so that the inner and outer rubberized fabric layers 5 and 8 are substantially subjected to equivalent resistance, that is, the inner and outer rubberized fabric layers 5 and 8 are substantially synchronized, this can avoid appearing asynchronous mutual displacement volume between interior rubberized fabric layer 5 and the outer rubberized fabric layer 8, has also avoided appearing the mutual break away from that the production of displacement volume between the two appears, and this is good for improving joint strength and leakproofness.
In order to further improve the sealing performance between the joint and the hose 1, the inner rubber layer 4 integrally extends and covers the extension coating layer 10 to form an end surface rubber layer 11, the end surface rubber layer 11 not only improves the sealing performance between the joint and the hose 1, but also can be used as a sealing element between the joints when the two joints are connected (shown in fig. 3), and the sealing element does not need to be additionally arranged, so that the installation and the use are greatly facilitated. Meanwhile, the outer circle surfaces of the left flange (2) and the right flange (3) are provided with outer circle protective glue layers 12, the outer circle protective glue layers 12 can cover all the interfaces on the outer circle surface of the joint and cover the inner glue cloth layer 5 or the outer glue cloth layer 8 covering the outer circle surface of the left flange 2, and therefore the joint has the protection effect and improves the sealing performance of the joint.
The part, close to the right flange 3, of the winding steel wire 6 in the supporting layer 7 has 3-6 turns of winding steel wires 6, and the winding density of the winding steel wires 6 is greater than that of the winding steel wires 6 in the middle of the hose 1; the hose assembly of the invention can have larger bending degree when in use due to the small length of the joint of the invention, but the larger bending degree can cause a section of the joint connected with the hose 1 to be locally damaged due to the larger bending, and the higher-density winding steel wires 6 in a section close to the right flange 3 increases the strength of the hose 1 in the section and increases the bending resistance, and when the hose assembly is bent greatly, the bending degree of the hose 1 in the section is smaller to form a transition area of the bending degree, so that the damage possibly caused by the overlarge bending between the hose 1 and the joint, such as the generation of tiny separation or gaps between the joint and the hose 1, is reduced.
Claims (7)
1. A flange-connected hose assembly comprises a hose (1) with a multilayer structure, and is characterized in that a flange joint at the end part of the hose (1) is formed by matching a left flange (2) and a right flange (3), a clamping part between the left flange (2) and the right flange (3) is at least one structural layer of the hose (1), the clamping part or one part of the clamping part extends to cover the outer circle surface and the other plane surface of the left flange (2), and the hose (1) and the left flange (2) and the right flange (3) are integrally vulcanized and fixed.
2. A flanged hose assembly according to claim 1, characterized in that the hose (1) is formed by an inner layer (4), an inner layer (5), a support layer (7) with wound wires (6), an outer layer (8) and an outer layer (9) arranged in that order from the inside to the outside.
3. A flanged hose assembly according to claim 1 or 2, wherein the hose (1) is held between the left (2) and right (3) flanges by inner (5) and outer (8) layers of rubberized fabric, wherein the inner (5) layer extends over the outer peripheral surface of the left flange (2) and over the other planar surface to form an extended coating (10).
4. A flanged hose assembly according to claim 3, wherein the inner and outer plies (5, 8) extend over the outer peripheral surface of the left flange (2) and over the other planar surface to form an extended coating (10).
5. A flanged hose assembly according to claim 4, wherein the inner layer (4) extends integrally over the elongate sheath (10) to form an end layer (11).
6. A flanged hose assembly according to claim 5, wherein the outer circumferential surfaces of the left and right flanges (2, 3) are provided with an outer protective rubber layer (12).
7. A flanged hose assembly according to claim 6, wherein the portion of the support layer (7) adjacent the right flange (3) has 3 to 6 turns of the wound wire (6) with a winding density greater than the winding density of the wound wire (6) in the central portion of the hose (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110173765.5A CN112901865A (en) | 2021-02-08 | 2021-02-08 | Flange connected hose assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110173765.5A CN112901865A (en) | 2021-02-08 | 2021-02-08 | Flange connected hose assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112901865A true CN112901865A (en) | 2021-06-04 |
Family
ID=76124022
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110173765.5A Pending CN112901865A (en) | 2021-02-08 | 2021-02-08 | Flange connected hose assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112901865A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2298736A (en) * | 1940-08-03 | 1942-10-13 | Wingfoot Corp | Flanged hose |
| GB2027513A (en) * | 1978-08-08 | 1980-02-20 | Team Inc | Method and apparatus for sealing a pipeline leak |
| WO1989011615A1 (en) * | 1988-05-18 | 1989-11-30 | Spiro-Maschinen Ag | Flanged joint |
| JPH06229491A (en) * | 1993-02-02 | 1994-08-16 | Togawa Rubber Seizosho:Kk | Joint for solid matter delivering pipe |
| CN2542900Y (en) * | 2002-04-15 | 2003-04-02 | 赵兰秋 | Steel flange connected pipeline of glass fibre reinforced plastic |
| CN203189920U (en) * | 2013-01-14 | 2013-09-11 | 江苏华神特种橡胶制品股份有限公司 | Lining ceramic abrasion-resistant shock-reducing rubber short pipe |
| CN104100803A (en) * | 2014-07-17 | 2014-10-15 | 宁波市正一砼泵配件有限公司 | Rubber damping throat for delivering concrete |
| CN110726022A (en) * | 2019-09-25 | 2020-01-24 | 烟台泰悦流体科技有限公司 | Hose assembly |
| CN211118161U (en) * | 2019-09-25 | 2020-07-28 | 烟台泰悦流体科技有限公司 | Hose assembly with double-flange-piece joint |
| CN212297982U (en) * | 2020-03-12 | 2021-01-05 | 镇江乐州电气有限公司 | Reinforcing structure of metal hose |
-
2021
- 2021-02-08 CN CN202110173765.5A patent/CN112901865A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2298736A (en) * | 1940-08-03 | 1942-10-13 | Wingfoot Corp | Flanged hose |
| GB2027513A (en) * | 1978-08-08 | 1980-02-20 | Team Inc | Method and apparatus for sealing a pipeline leak |
| WO1989011615A1 (en) * | 1988-05-18 | 1989-11-30 | Spiro-Maschinen Ag | Flanged joint |
| JPH06229491A (en) * | 1993-02-02 | 1994-08-16 | Togawa Rubber Seizosho:Kk | Joint for solid matter delivering pipe |
| CN2542900Y (en) * | 2002-04-15 | 2003-04-02 | 赵兰秋 | Steel flange connected pipeline of glass fibre reinforced plastic |
| CN203189920U (en) * | 2013-01-14 | 2013-09-11 | 江苏华神特种橡胶制品股份有限公司 | Lining ceramic abrasion-resistant shock-reducing rubber short pipe |
| CN104100803A (en) * | 2014-07-17 | 2014-10-15 | 宁波市正一砼泵配件有限公司 | Rubber damping throat for delivering concrete |
| CN110726022A (en) * | 2019-09-25 | 2020-01-24 | 烟台泰悦流体科技有限公司 | Hose assembly |
| CN211118161U (en) * | 2019-09-25 | 2020-07-28 | 烟台泰悦流体科技有限公司 | Hose assembly with double-flange-piece joint |
| CN212297982U (en) * | 2020-03-12 | 2021-01-05 | 镇江乐州电气有限公司 | Reinforcing structure of metal hose |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210604 |