CN220688343U - Rubber pipe buckling joint structure with double sealing structures - Google Patents
Rubber pipe buckling joint structure with double sealing structures Download PDFInfo
- Publication number
- CN220688343U CN220688343U CN202322488255.4U CN202322488255U CN220688343U CN 220688343 U CN220688343 U CN 220688343U CN 202322488255 U CN202322488255 U CN 202322488255U CN 220688343 U CN220688343 U CN 220688343U
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- Prior art keywords
- joint
- sealing
- section
- sealing ring
- rubber tube
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- 238000007789 sealing Methods 0.000 title claims abstract description 93
- 229920001971 elastomer Polymers 0.000 title claims abstract description 48
- 230000003014 reinforcing effect Effects 0.000 claims description 13
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000010276 construction Methods 0.000 claims 16
- 230000009977 dual effect Effects 0.000 claims 9
- 238000002788 crimping Methods 0.000 claims 8
- 239000004033 plastic Substances 0.000 abstract description 5
- 229920003023 plastic Polymers 0.000 abstract description 5
- 230000000630 rising effect Effects 0.000 abstract description 3
- 230000009471 action Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- 230000009286 beneficial 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
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- -1 polytetrafluoroethylene Polymers 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Gasket Seals (AREA)
Abstract
The utility model discloses a rubber pipe buckling joint structure with a double-sealing structure, which comprises a joint, an outer sealing ring sleeved outside the joint and a buckling sleeve buckled outside the joint and the outer sealing ring, wherein a narrow cavity for inserting a rubber pipe is formed between the outer sealing ring and the joint, sealing teeth are arranged on the inner side of the outer sealing ring, and barbs or sealing lips or sealing grooves are arranged on the outer side of the joint. According to the utility model, the outer sealing ring is additionally arranged outside the joint, a sealing narrow cavity is formed with the original sealing section, and sealing is realized on the inner wall and the outer wall of the rubber tube at the same time, so that the leakage risk caused by one-way sealing of the rubber tube can be greatly reduced; when the inside is pressurized, the rubber tube expands outwards, and an external sealing section can be formed on the barb or the sealing lip or the sealing groove section outside the joint due to the plastic deformation force of the buckling sleeve; and because the outer sealing ring is provided with a plurality of sealing teeth, the sealing performance can be more reliable along with the rising of pressure under a certain pressure.
Description
Technical Field
The utility model relates to the technical field of rubber tube joints, in particular to a rubber tube buckling joint structure with a double-sealing structure.
Background
The rubber tube assembly is widely applied to the field of various industrial equipment as a flexible connecting pipeline, mainly transmits liquid and gas media, and has the functions of compensating the installation displacement of a pipeline, reducing vibration and the installation stress of the pipeline, and the like. The existing large-diameter rubber tube assembly mainly adopts an inserted buckling sealing mode, and a metal jacket is buckled outside a joint through a rubber tube buckling machine to realize sealing. However, the interpolation type buckling structure has a fatal defect that the high polymer material can encounter the problems of material creep, volume expansion or shrinkage, hardness change and the like when being used in a high-low temperature alternating environment, and the interpolation type unidirectional sealing performance can be reduced along with the increase of the use pressure of the rubber tube. Particularly, when the aircraft flies from the ground to the high altitude and from the inland to the polar region across the territory, the temperature change is very large, and under the condition that the ambient temperature changes suddenly, the conventional inner sealing structure of the polytetrafluoroethylene hose, the nylon hose and the polyurethane hose with large drift diameters is easy to creep and harden, so that the sealing reliability is reduced.
Disclosure of Invention
Aiming at the defects in the background technology, the utility model provides a rubber pipe buckling joint structure with a double-sealing structure, which solves the problem that the sealing reliability of a large-diameter hose in the prior art is easy to reduce.
The technical scheme of the utility model is realized as follows:
the utility model provides a joint structure is withheld to double containment structure rubber tube, includes connects, overlaps to establish the outer sealing ring outside the joint and withhold the sleeve in the knot outside of joint and outer sealing ring, forms the narrow cavity that is used for inserting the rubber tube between outer sealing ring and the joint, and outer sealing ring inboard is equipped with sealed tooth, is equipped with barb or seal lip or seal slot in the joint outside.
Further, in order to facilitate the connection arrangement of the outer sealing ring, a ring table is arranged on the periphery of the joint and used for being connected with the end part of the outer sealing ring.
Further, to facilitate the interface of the joint with the exterior, the end of the joint is provided with a radially extending boss.
Further, in order to improve the anti-pull-out function, an anti-pull-out groove is formed between the annular table and the boss.
Further, in order to improve the buckling and pressing effect of the buckling and pressing sleeve and improve the plastic deformation force of the buckling and pressing sleeve, the buckling and pressing sleeve comprises a first section matched with the anti-pulling-out groove, a second section matched with the annular table in a clearance mode and a third section matched with the outer sealing ring in a pressing mode, and the first section and the second section, and the second section and the third section are respectively connected through connecting sections extending in the radial direction to form a 'nearly' -shaped structure.
Further, in order to better compress the rubber tube outside the connector, the buckling sleeve further comprises a fourth section used for compressing the rubber tube outside the connector, and the fourth section is in transitional connection with the third section through the reducing section.
Further, in order to strengthen the rubber tube, the rubber tube further comprises a reinforcing layer sleeved on the outer side of the rubber tube, and the reinforcing layer is inserted between the rubber tube and the buckling sleeve.
Further, the reinforcing layer is a steel wire mesh sleeve.
Further, in order to facilitate the butt joint of the utility model with the outside, the utility model further comprises a flange sleeved outside the joint, and the flange is sleeved outside the buckling sleeve for pressing the first section in the anti-pull-out groove.
Further, the two ends of the rubber tube are symmetrically provided with the joint, the outer sealing ring, the buckling sleeve and the flange.
The utility model has the beneficial effects that:
1. according to the utility model, the outer sealing ring is additionally arranged outside the joint, a sealing narrow cavity is formed with the original sealing section, and sealing is realized on the inner wall and the outer wall of the rubber tube at the same time, so that the leakage risk caused by one-way sealing of the rubber tube can be greatly reduced;
2. when the inside of the utility model bears pressure, the rubber tube expands outwards, and an external sealing section can be formed on the barb or the sealing lip or the sealing groove section outside the joint due to the plastic deformation force of the buckling sleeve; the sealing performance can be more reliable along with the rising of the pressure under a certain pressure due to the fact that the outer sealing ring is provided with a plurality of sealing teeth inside;
3. the connection sealing between the outer sealing ring and the joint is realized by welding, so that the difficulty in machining a narrow cavity of the joint is reduced;
4. the rubber tube sealing section is inserted into the narrow cavity to realize sealing, and the reinforcing layer is positioned between the buckling sleeve and the outer sealing ring, so that the two layers do not affect the respective functions and play roles.
Drawings
In order to more clearly illustrate the embodiments of the present utility model, the drawings that are required for the description of the embodiments will be briefly described below, it being apparent that the drawings in the following description are only some embodiments of the present utility model and that other drawings may be obtained from these drawings without inventive effort for a person of ordinary skill in the art.
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic side view of the present utility model;
FIG. 3 is an enlarged view of a portion of FIG. 1A;
fig. 4 is a schematic structural view of the joint of the present utility model.
In the figure: 1-joint, 11-barb or sealing lip or sealing groove, 12-outer sealing ring, 13-anti-pull-out groove, 14-boss, 2-flange, 3-buckling sleeve, 4-reinforcing layer and 5-rubber tube.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 1 to 4, the rubber hose buckling joint structure with a double-sealing structure in embodiment 1 of the present utility model includes a joint 1, an outer sealing ring 12 and a buckling sleeve 3, wherein the outer sealing ring 12 is sleeved outside the joint 1, and the outer sealing ring 12 is in clearance fit with the joint 1. As shown in fig. 1 and 2, the end of the joint 1 is provided with a radially extending boss 14, and the outer periphery of the joint 1 is provided with a ring land, and the end of the outer seal ring 12 near the boss 14 is connected with the ring land. Wherein the outer sealing ring 12 may be integral with the joint 1 or may be otherwise connected together. As shown in fig. 4, a narrow cavity for inserting the rubber tube 5 is formed between the outer sealing ring 12 and the joint 1, sealing teeth are arranged on the inner side of the outer sealing ring 12, and barbs or sealing lips or sealing grooves 11 are arranged on the outer side of the joint 1. The sealing section of the rubber tube 5 is inserted between the outer sealing ring 12 and the joint 1, and the buckling sleeve 3 is buckled outside the joint 1 and the outer sealing ring 12, so that the sealing teeth on the inner side of the outer sealing ring 12 are inserted into the rubber tube, thereby realizing the internal sealing and the anti-pulling function; simultaneously, the pressing action of the buckling sleeve 3 enables the barbs or the sealing lips or the sealing grooves 11 on the outer side of the joint 1 and the rubber tube 5 to be mutually extruded to form an external sealing structure. When the inside is pressurized, the rubber tube expands outwards, and the sealing performance of an external sealing structure formed by barbs or sealing lips or sealing groove sections outside the joint is better due to the plastic deformation force of the buckling sleeve; when the rubber tube expands outwards, the sealing performance can be more reliable along with the rising of pressure under a certain pressure because the outer sealing ring is provided with a plurality of sealing teeth.
Embodiment 2 differs from embodiment 1 in that, as shown in fig. 1, an anti-pull-out groove 13 is formed between the ring table and the boss 14.
Further, as shown in fig. 1, the buckling sleeve 3 includes a first section matched with the anti-pull-out groove 13, a second section matched with the annular table in a clearance mode, and a third section matched with the outer sealing ring 12 in a compression mode, the first section is connected with the second section through a first connecting section extending radially, the second section is connected with the third section through a second connecting section extending radially, and the first section is sequentially connected with the second section and the third section to form an approximate shape of a Chinese character 'ji'.
Further, as shown in fig. 1, the buckling sleeve 3 further includes a fourth section for pressing the rubber tube 5 on the outer side of the joint 1, the diameter of the fourth section is smaller than that of the third section, and the fourth section is in transitional connection with the third section through a reducing section. The other side of the fourth section is also provided with a fifth section, the diameter of the fourth section is smaller than that of the fifth section, and the fourth section is also in transitional connection with the fifth section through the diameter-reducing section. The fourth section forms an inward shrinking structure on the buckling sleeve 3, meanwhile, the inner diameter of the fourth section is smaller than the outer diameter of the joint 1, and the rubber tube 5 is better pressed on the outer side of the joint 1 under the action of plastic deformation force of the buckling sleeve 3.
Embodiment 3 differs from embodiment 2 in that, as shown in fig. 3, the device further comprises a reinforcing layer 4 sleeved outside the rubber tube 5, wherein the reinforcing layer 4 is inserted between the rubber tube 5 and the buckling sleeve 3, and the end part of the reinforcing layer 4 is inserted between the outer sealing ring 12 and the buckling sleeve 3 and is connected with the rubber tube through the action of the buckling sleeve.
In this embodiment, the reinforcing layer 4 is a steel mesh sleeve.
Embodiment 4 differs from embodiment 2 in that, as shown in fig. 3, the connector further comprises a flange 2 sleeved outside the connector 1, and the flange 2 is sleeved outside the buckling sleeve 3 for compressing the first section of the buckling sleeve 3 in the anti-pull-out groove 13, and one side of the flange 2 is tightly attached to the side face of the boss 14. The flange 2 is used to interface the joint with the outside.
Embodiment 5 differs from embodiment 4 in that, as shown in fig. 2, two ends of the rubber tube 5 are symmetrically provided with the joint 1, the outer sealing ring 12, the buckling sleeve 3 and the flange 2, and two ends of the reinforcing layer 4 are respectively inserted between the outer sealing ring 12 and the buckling sleeve 3 at two ends, so that the better fixing of the reinforcing layer 4 by the buckling sleeve 3 is improved.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.
Claims (10)
1. The utility model provides a joint structure is withheld to double containment structure rubber tube which characterized in that: including connect (1), cover establish outer sealing ring (12) outside connect (1) and withhold in the knot of connect (1) and the outside of outer sealing ring (12) and press sleeve (3), form the narrow chamber that is used for inserting rubber tube (5) between outer sealing ring (12) and the joint (1), and outer sealing ring (12) inboard is equipped with sealed tooth, is equipped with barb or seal lip or seal slot (11) in the joint (1) outside.
2. The dual seal construction hose crimping connector construction of claim 1, wherein: the periphery of the joint (1) is provided with a ring table for being connected with the end part of the outer sealing ring (12).
3. The dual seal construction hose crimping connector construction of claim 2, wherein: the end of the joint (1) is provided with a boss (14) extending radially.
4. A dual seal construction hose crimping connector construction according to claim 3, wherein: an anti-pull-out groove (13) is formed between the annular table and the boss (14).
5. The dual seal construction hose crimping connector construction of claim 4, wherein: the buckling sleeve (3) comprises a first section matched with the anti-pull-out groove (13), a second section matched with the annular table in a clearance mode and a third section matched with the outer sealing ring (12) in a pressing mode, and the first section is connected with the second section and the second section is connected with the third section through connecting sections extending in the radial direction to form a 'nearly' shaped structure.
6. The dual seal construction hose crimping connector construction of claim 5, wherein: the buckling sleeve (3) further comprises a fourth section used for pressing the rubber tube (5) on the outer side of the joint (1), and the fourth section is in transitional connection with the third section through the diameter-reducing section.
7. The dual seal construction hose crimping connector structure according to any one of claims 1 to 6, wherein: the rubber hose further comprises a reinforcing layer (4) sleeved on the outer side of the rubber hose (5), and the reinforcing layer (4) is inserted between the rubber hose (5) and the buckling sleeve (3).
8. The dual seal construction hose crimping connector construction of claim 7, wherein: the reinforcing layer (4) is a steel wire mesh sleeve.
9. The dual seal hose swage fitting construction of claim 4 or 5, wherein: the novel anti-pulling device is characterized by further comprising a flange (2) sleeved on the outer side of the connector (1), wherein the flange (2) is sleeved on the outer side of the buckling sleeve (3) and used for pressing the first section in the anti-pulling groove (13).
10. The dual seal construction hose crimping connector construction of claim 9, wherein: the two ends of the rubber tube (5) are symmetrically provided with the joint (1), the outer sealing ring (12), the buckling sleeve (3) and the flange (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322488255.4U CN220688343U (en) | 2023-09-13 | 2023-09-13 | Rubber pipe buckling joint structure with double sealing structures |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322488255.4U CN220688343U (en) | 2023-09-13 | 2023-09-13 | Rubber pipe buckling joint structure with double sealing structures |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220688343U true CN220688343U (en) | 2024-03-29 |
Family
ID=90376604
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322488255.4U Active CN220688343U (en) | 2023-09-13 | 2023-09-13 | Rubber pipe buckling joint structure with double sealing structures |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220688343U (en) |
-
2023
- 2023-09-13 CN CN202322488255.4U patent/CN220688343U/en active Active
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |