CN211118161U - Hose assembly with double-flange-piece joint - Google Patents
Hose assembly with double-flange-piece joint Download PDFInfo
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- CN211118161U CN211118161U CN201921608384.XU CN201921608384U CN211118161U CN 211118161 U CN211118161 U CN 211118161U CN 201921608384 U CN201921608384 U CN 201921608384U CN 211118161 U CN211118161 U CN 211118161U
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- hose
- flange
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- hose assembly
- rubberized fabric
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- Rigid Pipes And Flexible Pipes (AREA)
- Joints That Cut Off Fluids, And Hose Joints (AREA)
Abstract
The utility model discloses a hose assembly of two flange piece joints. The hose comprises a hose (1), particularly the hose (1) is composed of an inner rubber layer (2), an inner rubber layer (3), a supporting layer (4) with a wound steel wire layer, an outer rubber layer (5) and an outer protective layer (6) from inside to outside, a left flange piece (7) and a right flange piece (8) of a connecting flange clamp one end of the inner rubber layer (3) of the hose (1), and lantern rings (9) are arranged on the circular outer surfaces of the left flange piece (7) and the right flange piece (8). The utility model discloses make the hose assembly change the bending or have less crooked curvature radius, increased the hose and pressed from both sides joint strength between the formula flange.
Description
The technical field is as follows:
the present invention relates to an industrial hose, and more particularly to a hose assembly that is flexible or has a small radius of curvature.
Background art:
the rubber hose has good flexibility, wear resistance, weather resistance and compression resistance or tensile resistance, so the rubber hose is widely applied to the technical fields of aerospace, petroleum and natural gas, chemical industry, food transportation and the like, in practical use, the rubber hose is mainly used for conveying liquid or slurry-shaped fluid, has higher liquid pressure or rheological speed under many conditions, even under many conditions, the hose needs to be connected by a plurality of hoses to increase the total length of the hose and needs to be bent in a narrower space or needs to be frequently retracted, so the metal joint has longer length to meet the requirements of high pressure and/or high tensile force, so the connection length of the hose and the metal joint is ensured to be long enough, but the longer metal joint enables the non-bendable part of the hose assembly to be longer, the technical requirement of small bending curvature radius is difficult to achieve, for example, the hose in the hose assembly is excessively bent by applying external force, but also the internal stress of the junction part of the metal joint and the hose is overlarge to damage the hose, the service life of the hose is shortened, and accidents can be caused in serious cases. Therefore, how to solve the above-mentioned drawbacks of the prior art hose assembly is still a technical direction of effort.
The invention content is as follows:
the invention aims to disclose a hose assembly with high tensile resistance and smaller bending radius.
Realize the utility model discloses a technical solution is: the hose comprises a hose body, wherein the hose body is composed of an inner rubber layer, a supporting layer with a wound steel wire layer, an outer rubber layer and an outer protective layer from inside to outside, a left flange piece and a right flange piece of a connecting flange clamp one end of the inner rubber layer of the hose body, and a lantern ring is arranged on the outer circular surface of the left flange piece and the right flange piece.
The clamping surfaces of the left flange piece and the right flange piece for clamping the inner rubber cloth layer are concave-convex surfaces.
The section of the lantern ring is flat or T-shaped.
The end part of the inner rubber cloth layer extends to the space between the lantern ring and the round outer surfaces of the left flange sheet and the right flange sheet.
And the corner formed by the clamping surface of the right flange plate and the wall surface of the inner ring is a smooth curved surface.
The other opposite surface of the clamping surface of the right flange plate and the corner formed by the wall surface of the inner ring are provided with at least one fixing ring, and the end part of the winding steel wire is fixedly connected with the fixing ring.
The inner rubber layer extends to cover the outer surface of the end of the left flange plate to form a sealing surface.
The utility model discloses a flexible hose assembly has the formula of pressing from both sides flange, and the direct centre gripping hose of this formula of pressing from both sides flange, and this incurable part that makes the hose assembly reduces, makes the hose assembly change the bending or have less bending curvature radius, presss from both sides a structural layer of formula flange self centre gripping hose simultaneously, has greatly increased the hose and has pressed from both sides the joint strength between the formula flange, has improved the tensile resistance of hose assembly.
Description of the drawings:
fig. 1 is a schematic sectional structure diagram of an embodiment of the present invention.
FIG. 2 is a schematic sectional view of two hose assemblies connected together.
The specific implementation mode is as follows:
the detailed embodiments of the present invention are described in detail with reference to the accompanying drawings, and it should be noted that the embodiments of the present invention are provided to facilitate the understanding of the technical solutions of the present invention, and should not be construed as limiting the scope of the claims of the present invention.
Referring to fig. 1-2, the embodiment of the present invention is as follows: the hose comprises a hose 1, and is characterized in that the hose 1 consists of an inner rubber layer 2, an inner rubberized fabric layer 3, a supporting layer 4 with a wound steel wire layer, an outer rubberized fabric layer 5 and an outer protective layer 6 from inside to outside, one end of the inner rubberized fabric layer 3 of the hose 1 is clamped by a left flange piece 7 and a right flange piece 8 of a connecting flange, and lantern rings 9 are arranged on the circular outer surfaces of the left flange piece and the right flange piece (7 and 8); the hose 1 has strong tensile resistance, according to the technical requirements, the inner-layer rubberized fabric layer 3 is at least one or more synthetic fiber fabric layers, the support layer 4 comprises at least one layer of wound steel wire layer and a glue layer, or two to four layers of wound steel wire layers with glue layers in between, the outer-layer rubberized fabric layer 5 is at least one or more synthetic fiber fabric layers coated with the glue layer in between, one end of the inner-layer rubberized fabric layer 3 is clamped by the left and right flange sheets (7, 8) of the connecting flange to realize the main connection of the connecting flange and the hose 1, and the hose 1 and the connecting flange are integrally connected through the vulcanization process, so the connecting strength of the hose assembly is high, more importantly, only the connecting flange is a non-bendable part in the whole length dimension of the hose assembly, and the left and right flange sheets (7, 8) of the connecting flange are both plate-shaped or sheet-shaped and have small, the hose assembly has excellent bending properties.
For further improving the utility model discloses a stretch-proofing performance of hose assembly, left flange piece 7 and the 8 centre gripping inlayer rubberized fabric layer 3's of right flange piece the clamping face be unsmooth face, inlayer rubberized fabric layer 3 forms the crooked body with the mutual gomphosis of above-mentioned unsmooth face, this area that has increased the clamping face and increased with inlayer rubberized fabric layer 3 between the frictional force, simultaneously the aforesaid is increased with the deformation resistance of displacement by the displacement stroke after the inlayer rubberized fabric layer 3 of centre gripping receives external force stretching, finally make the joint strength between hose 1 and the flange increase, foretell left and right flange piece (7, 8) the unsmooth face of centre gripping be wave or profile of tooth.
As mentioned above, because the left and right flange pieces (7, 8) clamp the inner rubber cloth layer (3), and the round outer surfaces of the left and right flange pieces (7, 8) have a ring-shaped exposed end, when the hose (1) is stretched by an external force, the inner rubber cloth layer (3) has a small gap caused by displacement or displacement trend, the gap is a possible channel for leakage of the hose assembly and a channel for external invasion of the connecting flange, in order to avoid the above situation, the ring-shaped exposed end is covered by the lantern ring (9) arranged on the round outer surfaces of the left and right flange pieces (7, 8), so as to improve the sealing performance and further improve the connecting strength. The section of the lantern ring 9 is flat to completely cover the annular exposed end, or the section of the lantern ring 9 is T-shaped, the horizontal part of the T-shaped lantern ring 9 covers the annular exposed end, and the vertical part of the T-shaped lantern ring 9 is inserted into the middle of the inner-layer rubberized fabric layer 3 formed by multiple layers of synthetic fiber cloth, so that two friction surfaces are additionally arranged between the vertical part and the inner-layer rubberized fabric layer 3, meanwhile, the extrusion force applied to the inner-layer rubberized fabric layer 3 is increased, and finally, the connection strength of the hose 1 and the connection flange is improved.
In order to further improve the connection strength of the hose assembly, the end of the inner rubberized fabric layer 3 extends to between the collar 9 and the round outer surfaces of the left and right flange pieces (7, 8) (not shown in the figure), which further increases the friction area or friction force when the inner rubberized fabric layer 3 is stretched by external force, and the corner where the round outer surfaces of the left and right flange pieces (7, 8) intersect with the clamping surface generates larger resistance to the displacement of the inner rubberized fabric layer 3, thereby further improving the connection strength and sealing performance of the hose assembly.
In practical use, the hose assembly is subjected to external tensile force, a part of the inner rubberized fabric layer 3 of the hose 1, which is taken as a main pipe of the hose 1, enters the clamping surface of the connecting flange through the corner portion 10 formed by the clamping surface of the right flange piece 8 and the inner ring wall surface, and when the hose 1 is subjected to tensile force, the corner portion 10 generates a considerable resistance to displacement of the inner rubberized fabric layer 3, and when the corner portion 10 is a vertical corner in a normal state, the inner rubberized fabric layer 3 is subjected to a large shearing force, which may damage the inner rubberized fabric layer 3 to cause damage or fracture of the hose 1, so that the corner portion 10 formed by the clamping surface of the right flange piece 8 and the inner ring wall surface is a smooth curved surface, so that the shearing component force is eliminated, and damage of the hose 1 is avoided.
The supporting layer 4 of the hose 1 has a layer of wound steel wires, which improves the radial strength and axial strength of the hose 1 itself, and in order to further improve the connection strength between the hose 1 and the connecting flange, the corner formed by the other surface opposite to the clamping surface of the right flange piece 8 and the inner ring wall surface is provided with at least one fixing ring 11, and the end of the wound steel wires of the supporting layer 4 is fixedly connected with the fixing ring 11, for example, by conventional welding, which further improves the connection strength between the hose 1 and the connecting flange.
In actual use, a plurality of hose assemblies are connected with each other to form a hose assembly with a suitable use length, the connecting flange at one end of each hose assembly is connected with the connecting flange of the other hose assembly through bolts (shown in fig. 2), and the contact surfaces of the two connecting flanges are a possible channel for liquid leakage, so that the outer surface of the end, extending to cover the left flange plate 7, of the inner glue layer 2 of the hose 1 forms a sealing surface 12, sealing after the two connecting flanges are connected is realized, and compared with the prior art, the effect of arranging a sealing ring on the outer surface of the flange plate is better, and the sealing ring cannot fall off or be damaged.
Because the utility model discloses an among the hose assembly to press from both sides formula flange and replace traditional pre-buried formula joint and withhold formula and connect, because pre-buried formula connects longer with the length that withholds formula and connect, the part of can not bending is longer, so use very inconveniently in fact, and the utility model discloses a part of can not bending is the thickness that presss from both sides formula flange only, so very easily crooked, and in-service use is very convenient, and storage space can reduce by a wide margin.
Claims (7)
1. The utility model provides a hose assembly of two flange piece joints, includes hose (1), its characterized in that hose (1) comprises interior glue film (2), inlayer rubberized fabric layer (3), supporting layer (4) that have winding steel wire layer, outer rubberized fabric layer (5) and outer protective layer (6) from inside to outside, inner rubberized fabric layer (3) one end of left flange piece (7) and right flange piece (8) centre gripping hose (1) of flange, there is lantern ring (9) left and right flange piece (7, 8) round surface.
2. The double-flange joint hose assembly according to claim 1, wherein the clamping surfaces of the left flange plate (7) and the right flange plate (8) clamping the inner rubberized fabric layer (3) are concave-convex surfaces.
3. A double flange joint hose assembly according to claim 2, wherein said collar (9) is flat or T-shaped in cross-section.
4. A double flange joint hose assembly according to claim 3, wherein the ends of the inner rubberized fabric layer (3) extend between the collar (9) and the rounded outer surfaces of the left and right flange pieces (7, 8).
5. A hose assembly with a double flange connection according to claim 4, wherein the clamping surface of the right flange (8) and the inner ring wall form a rounded corner (10).
6. A hose assembly with a double flange joint according to claim 5, wherein the other opposite surface of the clamping surface of the right flange piece (8) is provided with at least one fixing ring (11) at the corner formed by the inner ring wall surface, and the end portion of the wound steel wire is fixedly connected with the fixing ring (11).
7. A hose assembly with a double flange joint according to claim 6 characterised in that the inner layer (2) extends over the outer surface of the end of the left flange (7) to form a sealing surface (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921608384.XU CN211118161U (en) | 2019-09-25 | 2019-09-25 | Hose assembly with double-flange-piece joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921608384.XU CN211118161U (en) | 2019-09-25 | 2019-09-25 | Hose assembly with double-flange-piece joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211118161U true CN211118161U (en) | 2020-07-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921608384.XU Active CN211118161U (en) | 2019-09-25 | 2019-09-25 | Hose assembly with double-flange-piece joint |
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| CN (1) | CN211118161U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112901865A (en) * | 2021-02-08 | 2021-06-04 | 山东悦龙橡塑科技有限公司 | Flange connected hose assembly |
| CN112901864A (en) * | 2021-02-08 | 2021-06-04 | 山东悦龙橡塑科技有限公司 | Hose assembly of high crookedness |
| CN115585314A (en) * | 2022-10-19 | 2023-01-10 | 河北泽邦塑胶科技有限公司 | Anti-settling rubber hose structure and preparation method thereof |
-
2019
- 2019-09-25 CN CN201921608384.XU patent/CN211118161U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112901865A (en) * | 2021-02-08 | 2021-06-04 | 山东悦龙橡塑科技有限公司 | Flange connected hose assembly |
| CN112901864A (en) * | 2021-02-08 | 2021-06-04 | 山东悦龙橡塑科技有限公司 | Hose assembly of high crookedness |
| CN115585314A (en) * | 2022-10-19 | 2023-01-10 | 河北泽邦塑胶科技有限公司 | Anti-settling rubber hose structure and preparation method thereof |
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