CN222416482U - Double sealing connection structure of composite pipe - Google Patents
Double sealing connection structure of composite pipe Download PDFInfo
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- CN222416482U CN222416482U CN202421211873.2U CN202421211873U CN222416482U CN 222416482 U CN222416482 U CN 222416482U CN 202421211873 U CN202421211873 U CN 202421211873U CN 222416482 U CN222416482 U CN 222416482U
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Abstract
本申请的实施例公开了一种复合管材的双密封连接结构，包括承插筒和密封连筒，承插筒的筒体内壁上配置有环形嵌件；密封连筒由环形嵌件套接固定，包括对称分布在密封连筒的两端外壁上的环形槽，每个环形槽内安装有一个密封件，承插筒与密封连筒的每侧一端形成有一个环形缝隙，用于所述复合管材的插接。本申请的连接结构通过承插筒与密封连筒的套接形式所形成的环形缝隙作为复合管材的嵌合插接位置，并将密封连筒作为中间管道，通过密封连筒的环形槽和密封件对其接触连接的复合管材一端形成有效密封，避免窜水渗水现象。
The embodiment of the present application discloses a double-sealed connection structure of a composite pipe, including a socket and a sealing connecting tube, wherein an annular insert is arranged on the inner wall of the socket; the sealing connecting tube is fixed by the annular insert, and includes annular grooves symmetrically distributed on the outer walls of both ends of the sealing connecting tube, each annular groove is installed with a sealing member, and an annular gap is formed on each side of the socket and the sealing connecting tube for the insertion of the composite pipe. The connection structure of the present application uses the annular gap formed by the sleeve connection of the socket and the sealing connecting tube as the interlocking insertion position of the composite pipe, and uses the sealing connecting tube as the intermediate pipe, and forms an effective seal on one end of the composite pipe that is in contact with it through the annular groove and the sealing member of the sealing connecting tube, so as to avoid water leakage.
Description
Technical Field
The application relates to the technical field of pipeline connection, in particular to a double-sealing connection structure of a composite pipe.
Background
In the fields of modern industry and civil construction, the composite pressure-bearing pipe gradually becomes the first choice for replacing the traditional materials by the unique performance advantages. Compared with the traditional steel pipe which is easy to corrode and has large weight and the limitation of pure plastic pipe on strength and temperature resistance, the composite pipe has excellent comprehensive properties, including enhanced mechanical strength, excellent corrosion resistance and long-term stability, and is widely applied in the fields of building water supply and drainage, petroleum and natural gas transportation, chemical industry and the like. However, a significant problem with composite tubing technology in practical applications is that composite tubing is laminated or bonded from different materials, and the interface between these materials is critical. The existing manufacturing process often has difficulty in achieving perfect fusion among materials, particularly in the area where the end of the pipeline contacts the fluid, and the incomplete fusion is easy to be a weak point for fluid permeation. The secondary problems such as bulge and layering can be caused by the accumulation of the permeated fluid in the pipeline, and even the composite layer is peeled off and the integral strength of the pipeline is reduced when the permeated fluid is seriously caused, so that water seepage and even rupture are finally caused, and the safety and the service life of the pipeline system are seriously influenced.
Aiming at the problems, the prior countermeasures in the industry are mostly local reinforcement or simple edge sealing treatment, but the methods cannot fundamentally solve the water channeling hidden trouble at the connecting end part of the composite pipeline, and in most cases, effective protective measures are not adopted, so that the water seepage problem of the pipeline is still outstanding, and the reliability and maintenance cost of a pipeline system are affected.
In view of the above, it is necessary to provide a connection structure of a composite pipe, which ensures the tightness and stability of the connection end of the composite pipe, solves the problem of water channeling, and ensures high quality sealing of the connection part of the pipe, thereby prolonging the service life of the composite pipe and improving the operation efficiency and safety of the whole pipe system.
Disclosure of utility model
The application mainly aims to provide a double-sealing connection structure of a composite pipe, and aims to solve the technical problems that the existing composite pipe is poor in tightness of the connection end part and easy to leak water and seep water.
In order to achieve the above object, the present application provides a double-sealing connection structure of a composite pipe, the connection structure comprising:
The socket barrel is provided with an annular insert on the inner wall of the barrel body;
The sealing connecting cylinder is sleeved and fixed by the annular inserts and comprises annular grooves symmetrically distributed on the outer walls of the two ends of the sealing connecting cylinder, a sealing element is arranged in each annular groove,
And one end of each side of the socket barrel and one end of each side of the sealing connecting barrel are provided with an annular gap for plugging the composite pipe.
Optionally, the annular insert is configured as a ladder-shaped boss protruding towards the inner diameter of the socket barrel, at least one circle of first annular buckles are configured on the outer wall of the sealing connecting barrel, and the first annular buckles are located near one side or two sides of the annular insert along the connecting direction and are in shape-matched clamping with the boss so as to fix the relative positions of the sealing connecting barrel and the socket barrel.
Optionally, the annular insert is configured as a cushion layer protruding towards the inner diameter of the socket sleeve, the sealing connecting sleeve is formed by splicing at least two sections of sealing sleeves, the annular groove on the outer wall of each section of sealing sleeve and the corresponding sealing element are configured as two or more, and the part of each section of sealing sleeve sleeved by the annular insert is fixed and sealed by at least one sealing element.
Optionally, a positioning ring is further arranged on the inner ring of the cushion layer, the positioning ring is configured in the form of a protruding edge or a groove, and the positioning ring is used for positioning at least two sealing sleeves sleeved by the annular insert.
Optionally, the annular insert is sleeved with each section of sealing sleeve through a circle of second annular buckle, and the outer ring of the second annular buckle is in open-type clamping connection with the cushion layer.
Optionally, a positioning ring is further arranged on the inner ring of the second annular buckle, the positioning ring is configured in a form of a protruding edge or a groove, and the positioning ring is used for positioning at least two sealing sleeves sleeved by the annular insert.
Optionally, the composite pipe is inserted into an annular gap formed by the socket barrel and the sealing connecting barrel in a hot-melt socket manner.
Optionally, the seal is a sealing rubber ring or gasket.
Optionally, the sealing rubber ring is an O-shaped sealing rubber ring or a D-shaped sealing rubber ring.
Compared with the existing pipe connecting structure, the double-sealing connecting structure has the advantages that the annular inserts are arranged on the inner wall of the socket barrel, the sealing connecting barrel is fixed through the sleeved annular inserts, stable connection between two parts is guaranteed, accurate positioning is provided for installation of the sealing elements, sealing stability and reliability are greatly improved, the sealing connecting barrel is designed by adopting annular grooves and sealing elements which are symmetrically distributed, sealing of two sides of the sealing connecting barrel is facilitated, effective sealing of a connecting position of the composite pipe is formed, water channeling and seepage are avoided, the connecting structure can better adapt to composite pipes with different size and pressure requirements, meanwhile, annular gaps are formed at two ends of the socket barrel and the sealing connecting barrel under the nested design of the socket barrel, insertion and assembly of the composite pipe are facilitated, site construction flow is simplified, installation difficulty and time cost are reduced, the connecting structure is directly formed at the annular gaps formed at the end parts of the composite pipe instead of fasteners or other external force extrusion connection, damage to the composite material in the butt joint process is reduced, structural integrity of the pipe can be protected, and service life is prolonged.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present application, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a dual seal connection structure according to an embodiment of the present application;
FIG. 2 is a diagram illustrating the mounting relationship of one embodiment of a dual seal connection according to the present application;
FIG. 3 is a cross-sectional view of one embodiment of a dual seal connection of the present application;
FIG. 4 is a schematic view of another embodiment of a dual seal connection structure according to the present application;
FIG. 5 is a diagram illustrating the mounting relationship of another embodiment of the dual seal connection structure of the present application;
FIG. 6 is a cross-sectional view of another embodiment of a dual seal connection of the present application;
The device comprises a socket barrel, an annular insert, a sealing connecting barrel, an annular groove, a sealing piece, a first annular buckle, a positioning ring, a second annular buckle and a composite pipe, wherein the reference numerals are 1, the socket barrel, 2, the annular insert, 3, the sealing connecting barrel, 4, the annular groove, 5, the sealing piece, 6, the first annular buckle, 7, the positioning ring, 8, the second annular buckle and 9;
The achievement of the objects, functional features and advantages of the present application will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be noted that all directional indicators (such as up, down, left, right, front, and rear are used in the embodiments of the present utility model) are merely for explaining the relative positional relationship, movement conditions, and the like between the components in a certain specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicators are changed accordingly.
In the present utility model, unless explicitly specified and limited otherwise, the terms "connected," "fixed," and the like are to be construed broadly, and for example, "fixed" may be fixedly connected, detachably connected, or integrally formed, mechanically connected, electrically connected, directly connected, indirectly connected via an intervening medium, or in communication between two elements or in an interaction relationship between two elements, unless otherwise explicitly specified. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In addition, if there is a description of "first", "second", etc. in the embodiments of the present utility model, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" as it appears throughout includes three parallel schemes, for example "A and/or B", including the A scheme, or the B scheme, or the scheme where A and B are satisfied simultaneously. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.
The double-sealing connecting structure of the composite pipe 9 is shown in fig. 1, and comprises a socket barrel 1, wherein an annular insert 2 is arranged on the inner wall of a barrel body of the socket barrel 1, a sealing connecting barrel 3 is sleeved and fixed by the annular insert 2, the double-sealing connecting structure comprises annular grooves 4 symmetrically distributed on the outer walls of two ends of the sealing connecting barrel 3, a sealing piece 5 is arranged in each annular groove 4, and an annular gap is formed at one end of each side of the socket barrel 1 and one end of each side of the sealing connecting barrel 3 and is used for plugging the composite pipe 9.
The double-seal connecting structure of the application is characterized in that a gap is formed between two cylinders as a connecting and mounting position of a composite pipe 9 in a double-cylinder jogged sleeving manner, wherein the socket cylinder 1 is used as an outer cylinder body, the inner wall of the socket cylinder 1 is provided with an annular insert 2, the annular insert 2 can be in various annular bodies which are complete in a circle along the circumferential direction of the inner wall of the socket cylinder 1, and the simplest form is a circle of bulges on the inner wall of the socket cylinder 1, and the following embodiments are seen in detail.
The sealing connecting tube 3 is arranged as a middle part for connecting two sections of composite tubes 9 and is sleeved and fixed by the annular insert 2, and in order to ensure that the composite tubes 9 are in sealing connection and fixation with the connecting structure of the application, the sealing tube body is in abutting contact with the composite tubes 9 in the form of matching the annular groove 4 with the sealing element 5, and the structure is convenient to detach and install, has better sealing performance and fixation effect and lower cost in the whole connecting structure.
The application provides a jogging and sleeving mode of two socket barrels 1 and a sealing connecting barrel 3, which realizes the assembly of a connecting structure through different structures and can be used for the jogging and the connecting of a composite pipe 9, and specifically comprises the following steps:
In one embodiment, the annular insert 2 is configured as a stepped boss protruding toward the inner diameter of the socket barrel 1, at least one ring of first annular buckles 6 are configured on the outer wall of the sealing connecting barrel 3, and the first annular buckles 6 are located near one side or two sides of the annular insert 2 along the connection direction and are engaged with the boss in a shape matching manner to fix the relative positions of the sealing connecting barrel 3 and the socket barrel 1.
The annular insert 2 in the embodiment is deformed in the simplest protruding structure form, namely trapezoidal protruding, and the structure form is matched with an annular buckle arranged on the sealing connecting cylinder 3, so that the sealing connecting cylinder 3 can be fixed relative to the annular insert 2, and the sealing connecting cylinder 3 is prevented from sliding or loosening along the axial direction due to fluid impact.
When in use, two sections of composite pipes 9 are respectively inserted into the formed gaps between the socket barrel 1 and the sealing connecting barrel 3 in the direction shown in fig. 2, the outer wall of the composite pipe 9 is in contact with the inner wall of the socket barrel 1 in the connecting structure, the inner wall of the composite pipe 9 is in contact with the outer wall of the sealing connecting barrel 3, and the contact effect is tight and stable under the action of the sealing element 5.
In another embodiment, the annular insert 2 is configured as a cushion layer protruding towards the inner diameter of the socket sleeve 1, the sealing connecting sleeve 3 is formed by splicing at least two sections of sealing sleeves, the annular groove 4 and the corresponding sealing element 5 on the outer wall of each section of sealing sleeve are configured as two or more, and the part of each section of sealing sleeve sleeved by the annular insert 2 is fixed and sealed by at least one sealing element 5.
The annular insert 2 is arranged in a cushion form and can also form a sleeving and fixing effect on the sealing connecting cylinder 3, and the sealing connecting cylinder 3 is used in a splicing mode in the embodiment, referring to fig. 4, specifically, two or more sections of sealing sleeves are spliced in the cushion, two sections of sealing sleeves are used as examples, two ends of each section of sealing sleeve are respectively provided with an annular groove 4 and a sealing piece 5, when the sealing sleeve is used, the two ends of the sealing sleeve are arranged in the socket connecting cylinder 1 according to the mode shown in fig. 5 to form a complete sealing connecting cylinder 3, the two sections of sealing sleeves are sleeved in the cushion, each section of sealing sleeve is respectively provided with a group of annular grooves 4 and the sealing piece 5 to be contacted with the cushion to form a fixing mode (referring to fig. 6), compared with the previous embodiment, the sealing and fixing effect of the sealing connecting cylinder 3 and the annular insert 2 is not in a buckling mode, but in a mode of annular grooves 4 and the sealing piece 5, and the structure is favorable for installing and disassembling the connecting structure, and the water seepage preventing and channeling effects are also favorable.
Further, on the basis of the above embodiment, the inner ring of the cushion layer is further provided with a positioning ring 7, the positioning ring 7 is configured in the form of a ridge or a groove, and the positioning ring 7 is used for positioning at least two sealing sleeves sleeved by the annular insert 2.
The positioning ring 7 is arranged, so that the sealing sleeve can be aligned in the splicing process, the risk of falling off caused by uneven stress due to poor mounting position of one end or one section of sealing sleeve is avoided, and the form of the convex edge and the groove provides the perceivable characteristics of the mounting process, such as obvious pause feeling when the convex edge is abutted or clamped into the groove.
Furthermore, the annular insert 2 is sleeved with each section of sealing sleeve through a circle of second annular buckle 8, and the outer ring of the second annular buckle 8 is in open type clamping connection with the cushion layer.
Referring to fig. 4 and 6, the second annular buckle 8 is provided as an intermediate connecting piece between the sealing sleeve and the annular insert 2, and its function includes improving stability by increasing the contact area between the second annular buckle 8 and the sealing sleeve, or providing more contact fixing positions of the sealing piece 5 so as to improve the fixing sealing effect between the sealing connecting tube 3 and the annular insert 2 (i.e. cushion layer).
Similarly, a positioning ring 7 is further arranged on the inner ring of the second annular buckle 8, the positioning ring 7 is configured in the form of a convex ridge or a groove, and the positioning ring 7 is used for positioning at least two sealing sleeves sleeved by the annular insert 2.
In some embodiments, in order to ensure the firmness and the tightness of the connection structure, the composite pipe 9 is inserted into an annular gap formed by the socket barrel 1 and the sealing connecting barrel 3 in a hot-melt socket manner.
Specifically, a melting area is formed by heating the end part of the composite pipe 9, then the composite pipe 9 is inserted into an annular gap formed by the socket barrel 1 and the sealing connecting barrel 3, under the continuous action of heat, the composite pipe 9, the inner wall of the socket barrel 1 and the outer wall of the sealing connecting barrel 3 are mutually penetrated and mixed, gaps among molecules are removed, and finally the composite pipe is recrystallized in the cooling process to form a continuous and powerful connector, so that the composite pipe has better sealing performance, and the water seepage prevention effect is also ensured.
In some embodiments, the seal 5 is a stripper rubber or gasket.
Optionally, the sealing rubber ring is an O-shaped sealing rubber ring or a D-shaped sealing rubber ring.
In some embodiments, the sealing member 5 is a rubber ring with elastic performance, and the sealing member 5 made of such a material can achieve the effect of sealing and fixing by abutting the sealing member 5 against the inner wall of the composite pipe 9 after the composite pipe 9 is inserted into the gap between the socket barrel 1 and the sealing connecting barrel 3.
The foregoing description is only of the optional embodiments of the present application, and is not intended to limit the scope of the application, and all the equivalent structural changes made by the description of the present application and the accompanying drawings or the direct/indirect application in other related technical fields are included in the scope of the application.
Claims (9)
1. A double-seal connection structure of a composite pipe, characterized in that the connection structure comprises:
The socket barrel is provided with an annular insert on the inner wall of the barrel body;
The sealing connecting cylinder is sleeved and fixed by the annular inserts and comprises annular grooves symmetrically distributed on the outer walls of the two ends of the sealing connecting cylinder, a sealing element is arranged in each annular groove,
And one end of each side of the socket barrel and one end of each side of the sealing connecting barrel are provided with an annular gap for plugging the composite pipe.
2. The dual seal connection of claim 1, wherein the annular insert is configured as a stepped boss protruding toward an inner diameter of the socket barrel, and the outer wall of the seal connection barrel is configured with at least one ring of first annular buckles, the first annular buckles being located near one side or both sides of the annular insert in a connection direction and being engaged with the boss in a shape-matching manner to fix a relative position of the seal connection barrel and the socket barrel.
3. The dual seal connection of claim 1, wherein the annular insert is configured as a cushion protruding toward the inside diameter of the socket, the seal connection is formed by splicing at least two seal cartridges, and the annular groove and corresponding seal on the outer wall of each seal cartridge are configured as two or more, and the portion of each seal cartridge sleeved by the annular insert is fixed and sealed by at least one seal.
4. A double seal connection according to claim 3, wherein the inner ring of the cushion is further provided with a positioning ring, the positioning ring being configured in the form of a ridge or groove, the positioning ring being used for positioning at least two sealing sleeves that are sleeved by the annular insert.
5. A dual seal attachment structure according to claim 3 wherein the annular insert is further sleeved with each segment of gland through a ring of second annular snap, the outer ring of the second annular snap being snap-fit with the cushion in an open manner.
6. The dual seal connection of claim 5, wherein the inner ring of the second annular clasp is further provided with a locating ring configured in the form of a ridge or groove for locating at least two sealing sleeves that are sleeved by the annular insert.
7. The dual seal connection of claim 1, wherein the composite tubing is inserted in an annular gap formed by the socket and spigot barrel and the seal connection barrel in a hot melt socket and spigot manner.
8. The dual seal connection of claim 1, wherein the seal is a sealing gasket or washer.
9. The dual seal connection of claim 8, wherein the sealing rubber ring is an O-ring or a D-ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421211873.2U CN222416482U (en) | 2024-05-30 | 2024-05-30 | Double sealing connection structure of composite pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421211873.2U CN222416482U (en) | 2024-05-30 | 2024-05-30 | Double sealing connection structure of composite pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222416482U true CN222416482U (en) | 2025-01-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202421211873.2U Active CN222416482U (en) | 2024-05-30 | 2024-05-30 | Double sealing connection structure of composite pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222416482U (en) |
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2024
- 2024-05-30 CN CN202421211873.2U patent/CN222416482U/en active Active
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