CN217519427U - Glass fiber reinforced plastic pipeline connecting and sealing structure - Google Patents
Glass fiber reinforced plastic pipeline connecting and sealing structure Download PDFInfo
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- CN217519427U CN217519427U CN202221052039.4U CN202221052039U CN217519427U CN 217519427 U CN217519427 U CN 217519427U CN 202221052039 U CN202221052039 U CN 202221052039U CN 217519427 U CN217519427 U CN 217519427U
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Abstract
The utility model belongs to the technical field of glass fiber reinforced plastic pipeline assembly, in particular to a glass fiber reinforced plastic pipeline connecting and sealing structure, which comprises a pipe body a, a pipe body b and a connecting sleeve arranged at one side of a flange of the pipe body b, wherein a flange end of the pipe body a is slidably arranged in an end opening of the connecting sleeve far away from the flange; a sealing component is arranged between the inner wall of the port of the connecting sleeve, which is far away from the flange plate, and the outer wall of the flange end of the pipe body a; the outer wall of the pipe body a and the outer wall of the pipe body b are respectively provided with a stabilizing sleeve and a sandwich sleeve which are opposite in position, and an extension spring is arranged between the two mounting lugs which are opposite in position; an annular clamping plate is further arranged on the inner bottom wall of the stabilizing sleeve, and a disc spring and a sealing washer are clamped in the annular clamping plate; the glass fiber reinforced plastic pipeline joint is used for solving the problem that the joint is easy to damage and leak due to the fact that expansion caused by heat and contraction caused by cold cannot be achieved to a certain degree between pipelines when the existing glass fiber reinforced plastic pipeline is connected by rigid connection.
Description
Technical Field
The utility model belongs to the technical field of the FRP pipe way equipment, concretely relates to FRP pipe way connects seal structure.
Background
The fiber reinforced plastic pipeline is a light, high-strength and corrosion-resistant nonmetal pipeline, glass fibers with the weight of a resin matrix are wound on a rotating core mould layer by layer according to the process requirement, quartz sand is uniformly paved among the fibers in a long distance to serve as a sand inclusion layer, the pipe wall structure is reasonable and advanced, the function of materials can be fully exerted, the rigidity is improved on the premise of meeting the use strength, and the stability and the reliability of the product are ensured;
most of the existing glass fiber reinforced plastic pipelines are connected in a welding or flange connection mode, and the welding mode is adopted for connection, so that a pipe base body at a pipe opening is damaged to a certain extent during welding, the strength at a connecting part is weak, and the welding part is easy to break and leak when the pipe body has thermal expansion and cold contraction effects; and adopt flange joint's mode to carry out rigid connection for when the body takes place expend with heat and contract with cold effect, thereby the connecting bolt of flange joint department is very easily pulled apart and is led to intraductal revealing.
SUMMERY OF THE UTILITY MODEL
Based on the problem mentioned in the above-mentioned background art, the utility model provides a FRP pipe says and connects seal structure for solve and adopt rigid connection when connecting between FRP pipe says today, make when the pipeline takes place expend with heat and contract with cold and respond, because can not realize the flexible of certain degree between each pipeline, lead to its junction to be destroyed easily and produce the problem of revealing.
The utility model adopts the technical scheme as follows:
a glass fiber reinforced plastic pipeline connecting and sealing structure comprises a pipe body a with a flange at one end, a pipe body b with a flange on the outer wall of the pipe and a connecting sleeve arranged on one side of the flange of the pipe body b, wherein the flange end of the pipe body a is slidably arranged in a port of the connecting sleeve, which is far away from the flange;
a sealing assembly for sealing the outer wall of the pipe body a and the inner wall of the connecting sleeve is arranged between the inner wall of the port of the connecting sleeve, which is far away from the flange plate, and the outer wall of the flange end of the pipe body a; the outer wall of the pipe body a and the outer wall of the pipe body b are respectively provided with a stabilizing sleeve and an interlayer sleeve which are opposite in position, one end of the stabilizing sleeve facing the interlayer sleeve is slidably clamped in an interlayer of the interlayer sleeve, the peripheral sides of the end parts of the stabilizing sleeve, which are far away from the interlayer sleeve, are provided with three mounting lugs corresponding in position, and a stretching spring is arranged between the two mounting lugs corresponding in position;
an annular clamping plate is further arranged on the inner bottom wall of the stabilizing sleeve, a disc spring and a sealing washer are clamped in the annular clamping plate, the disc spring is located between the sealing washer and the inner bottom wall of the stabilizing sleeve, and the disc spring and the sealing washer are tightly sleeved on the outer wall of the pipe body a; one end of the sealing washer is in tight contact with the port part of the connecting sleeve, which is far away from the flange plate, under the pushing action of the disc spring.
On the basis of the technical scheme, the utility model discloses following improvement has still been made:
further, the sealing assembly comprises an installation clamping ring a and an installation clamping ring b, the openings of the installation clamping ring a and the installation clamping ring b are oppositely arranged, the installation clamping ring a is sleeved in the port of the connecting sleeve, which is far away from the flange plate, and is locked through a locking part, and the installation clamping ring b is sleeved on the pipe body of the pipe body a and is positioned on the back side of the flange of the pipe body a; the installation snap ring a with all be provided with elastic component and annular cutting ferrule in the opening that installation snap ring b is relative, two the looks remote site of annular cutting ferrule all is provided with sealed the pad, two sealed pad is corresponding elastic component support down in close contact with.
Furthermore, the locking part comprises six positioning blocks distributed on the outer wall of the circumference of the mounting snap ring a in an array manner, positioning grooves matched with the six positioning blocks are correspondingly formed in the inner wall of the port of the connecting sleeve, which is far away from the flange plate, and the six positioning blocks on the mounting snap ring a are correspondingly clamped in the six positioning grooves; the connecting sleeve is characterized in that the circumferential outer wall of the connecting sleeve is further provided with six fixing heads corresponding to the positioning grooves in position, each fixing head is provided with a screw, and the screwing-in end of each screw penetrates into the positioning groove and is screwed into the positioning block.
Furthermore, the elastic part comprises two annular gaskets, the two annular gaskets are arranged on one side of the clamping end of the annular clamping sleeve at intervals, and a plurality of abutting springs are arranged between the two annular gaskets in an array mode.
Furthermore, a sealing ring with an L-shaped cross section is arranged in the port of the connecting sleeve, which is close to the flange plate, the transverse surface of the L-shaped sealing ring is tightly attached between the outer wall of the pipe body b and the inner wall of the connecting sleeve, and the vertical surface of the L-shaped sealing ring is tightly attached between the side wall of the end of the connecting sleeve, which is close to the flange plate, and the side wall of the flange plate of the pipe body b.
Further, still be provided with the bulge loop on the body b outer wall, the interior diapire of intermediate layer cover supports and leans on the lateral wall of bulge loop.
Further, the outer diameter of the sealing washer is larger than the outer diameter of the end part, far away from the flange plate, of the connecting sleeve.
Further, the tensile force of the extension spring is greater than the elastic force of the disc spring.
The utility model has the advantages that:
1. the connecting sleeve is arranged on one side of the flange of the pipe body b, so that the connecting sleeve is assembled on the pipe body b, the flange end of the pipe body a is slidably arranged in the port of the connecting sleeve, which is far away from the flange, so that the penetrating end of the pipe body a is movably sleeved in the connecting sleeve, and when the pipe body a and the pipe body b generate the effects of expansion with heat and contraction with cold, the pipe body a can move to a certain degree in the port of the connecting sleeve, which is far away from the flange, so that the phenomenon that the pipe body a and the pipe body b are rigidly connected, and the pipeline is leaked due to the damage of the connecting part when the pipe body a and the pipe body b are affected by expansion with heat and contraction with cold is avoided;
2. the sealing assembly for sealing the outer wall of the pipe body a and the inner wall of the connecting sleeve is arranged between the inner wall of the port of the connecting sleeve, which is far away from the flange plate, and the outer wall of the flange end of the pipe body a, and the sealing assembly can enhance the sealing performance of the contact part of the outer wall of the pipe body a and the inner wall of the connecting sleeve, so that the leakage caused by a gap generated between the outer wall of the pipe body a and the inner wall of the connecting sleeve is avoided;
3. one end of a stabilizing sleeve arranged on the outer wall of the pipe body a is slidably clamped in the interlayer of the interlayer sleeve, so that the stabilizing sleeve is movably assembled on the interlayer sleeve, a certain auxiliary supporting effect can be exerted on the pipe body a, after one end of the pipe body a is arranged in the connecting sleeve in a penetrating manner, the weight of the penetrating end of the pipe body a is shared by the connecting sleeve and the stabilizing sleeve, and the pressing force of the pipe body a on the connecting sleeve can be effectively reduced; the extension spring can pull the stabilizing sleeve through the extension spring, so that the stabilizing sleeve keeps the trend of approaching to the interlayer sleeve, the moving stroke of the pipe body a can be limited after the pipe body a penetrates into the connecting sleeve, and the penetrating end of the pipe body a is prevented from completely moving out of the connecting sleeve;
4. through set up annular cardboard on stabilizing the cover diapire, dish spring and seal ring are established to the card in the annular cardboard, can support the seal ring that sets up through the dish spring that sets up, make when the pipeline takes place expend with heat and contract with cold body an and remove in the adapter sleeve, the dish spring can remain throughout to support and move seal ring, make seal ring's one end and the port portion in close contact with that the ring flange was kept away from to the adapter sleeve, thereby guarantee that its leakproofness can not receive the influence when the pipeline takes place expend with heat and contract with cold.
Drawings
The invention can be further illustrated by means of non-limiting examples given in the figures;
FIG. 1 is a perspective view of a FRP pipe connection seal structure of the present invention;
FIG. 2 is an exploded view of the FRP pipe connection seal structure of the present invention;
FIG. 3 is an exploded view of the middle subassembly of the FRP pipe connecting and sealing structure of the present invention;
FIG. 4 is an assembled cross-sectional view of the pipe body a and the connecting sleeve in the FRP pipe connection sealing structure of the present invention;
FIG. 5 is an assembled cross-sectional view of the pipe body a, the pipe body b and the connecting sleeve in the FRP pipe connection sealing structure of the present invention;
FIG. 6 is a perspective cross-sectional view of the middle subassembly of the FRP pipe connecting and sealing structure of the present invention;
FIG. 7 is a cross-sectional plan view of the middle subassembly of the FRP pipe connecting and sealing structure of the present invention;
FIG. 8 is a perspective sectional view of the FRP pipe connection seal structure of the present invention;
FIG. 9 is a sectional plan view of the FRP pipe connection seal structure of the present invention;
FIG. 10 is an enlarged view of area A of FIG. 4;
fig. 11 is an enlarged view of the region B in fig. 4.
The main element symbols are as follows:
1. a pipe body a; 2. a pipe body b; 3. connecting sleeves; 4. a stabilizing sleeve; 5. an interlayer sleeve; 6. mounting a support lug; 8. an extension spring; 9. a seal ring; 10. mounting a snap ring a; 11. mounting a snap ring b; 12. positioning a groove; 15. an annular gasket; 16. an annular ferrule; 17. a gasket; 18. positioning blocks; 19. pressing the spring; 20. an annular clamping plate; 21. a disc spring; 22. a sealing gasket; 23. a convex ring; 24. and fixing the head.
Detailed Description
As shown in fig. 1 to 11, a glass fiber reinforced plastic pipeline connecting and sealing structure includes a pipe body a1 with a flange at one end, a pipe body b2 with a flange on the outer wall of the pipe, and a connecting sleeve 3 installed on one side of the flange of the pipe body b2, wherein the connecting sleeve 3 is installed on one side of the flange of the pipe body b2, so that the connecting sleeve 3 is assembled on the pipe body b2, and meanwhile, one end of the pipe body b2 is clamped in a port of the connecting sleeve 3 close to the flange, so that the connecting strength between the connecting sleeve 3 and the pipe body b2 can be effectively increased;
referring to fig. 5, a sealing ring 9 with an L-shaped cross section is arranged in a port of the connecting sleeve 3 close to the flange, a transverse surface of the L-shaped sealing ring 9 is tightly attached between the outer wall of the pipe body b2 and the inner wall of the connecting sleeve 3, a vertical surface is tightly attached between the side wall of the end of the connecting sleeve 3 close to the flange and the side wall of the pipe body b2, and the cross section of the sealing ring 9 is set to be L-shaped, so that after the sealing ring 9 is arranged in the port of the connecting sleeve 3 close to the flange, the transverse surface of the sealing ring is tightly attached between the outer wall of the pipe body b2 and the inner wall of the connecting sleeve 3, and the sealing performance between the outer wall of the pipe body b2 and the inner wall of the connecting sleeve 3 can be effectively increased; the vertical surface of the sealing ring 9 is tightly attached between the end side wall of the connecting sleeve 3 close to the flange and the side wall of the pipe body b2 flange, so that the sealing performance between the end side wall of the connecting sleeve 3 close to the flange and the side wall of the pipe body b2 flange can be effectively improved, and the leakage caused by the gap generated at the connecting part can be avoided;
referring to fig. 4 and 5, the flange end of the tube a1 is slidably inserted into the port of the connection sleeve 3 far from the flange, so that the flange end of the tube a1 is movably sleeved in the connection sleeve 3, and when the tube a1 and the tube b2 generate thermal expansion and cold contraction effects, the flange end of the tube a1 can move to a certain extent inside the port of the connection sleeve 3 far from the flange, thereby avoiding the phenomenon that the tube a1 and the tube b2 are rigidly connected, so that when the pipeline is affected by thermal expansion and cold contraction, the connection between the tube a1 and the tube b2 is damaged, which causes the pipeline to leak;
referring to fig. 4 and 5, a sealing assembly for sealing the outer wall of the pipe body a1 and the inner wall of the connecting sleeve 3 is arranged between the inner wall of the port of the connecting sleeve 3 away from the flange and the outer wall of the flange end of the pipe body a1, and by arranging the sealing assembly, the sealing performance of the contact part between the outer wall of the pipe body a1 and the inner wall of the connecting sleeve 3 can be improved, and the leakage problem caused by a gap generated between the outer wall of the pipe body a1 and the inner wall of the connecting sleeve 3 is avoided;
referring to fig. 3, 4, 5, 10 and 11, the sealing assembly includes a mounting snap ring a10 and a mounting snap ring b11, which are oppositely arranged, wherein the mounting snap ring a10 is sleeved in the port of the connecting sleeve 3 far from the flange and is locked by a locking member, so that the mounting snap ring a10 is stably mounted in the port of the connecting sleeve 3 far from the flange; specifically, the locking piece comprises six positioning blocks 18 distributed on the outer wall of the circumference of the installation clamp ring a10 in an array manner, the inner wall of a port, far away from the flange, of the connecting sleeve 3 is correspondingly provided with positioning grooves 12 matched with the six positioning blocks 18, during assembly, the six positioning blocks 18 on the installation clamp ring a10 are respectively aligned with the six positioning grooves 12 formed in the inner wall of the connecting sleeve 3, and then the installation clamp ring a10 is pushed, so that the six positioning blocks 18 on the installation clamp ring a10 are respectively moved into the six positioning grooves 12 clamped on the inner wall of the connecting sleeve 3, and therefore, the initial positioning of the installation clamp ring a10 is realized, and the installation clamp ring a10 is prevented from rotating in the connecting sleeve 3;
the outer circumferential wall of the connecting sleeve 3 is also provided with fixing heads 24 corresponding to the six positioning grooves 12, each fixing head 24 is provided with a screw, the screwing-in end of the screw penetrates into the positioning groove 12 and is screwed into the positioning block 18, when the six positioning blocks 18 on the installation clamp ring a10 are respectively inserted into the six positioning grooves 12 on the inner wall of the connecting sleeve 3, the screw in the screw hole on the corresponding fixing head 24 can be respectively screwed into the positioning groove 12, so that the screwing-in end of the screw is screwed into the corresponding positioning block 18, the positioning block 18 can be fixed in the positioning groove 12, and the installation clamp ring a10 can be fixed, so that the installation clamp ring a10 is stably installed in the port of the connecting sleeve 3 far away from the flange plate;
referring to fig. 2 to 5, the mounting snap ring b11 is sleeved on the tube body of the tube body a1 and is located on the back side of the flange of the tube body a1, so that the mounting snap ring b11 is stably mounted on the back side of the flange of the tube body a 1;
elastic pieces and annular clamping sleeves 16 are arranged in openings of the installation clamping ring a10 opposite to the installation clamping ring b11, and the elastic pieces are used for respectively abutting against the corresponding annular clamping sleeves 16 to enable the corresponding annular clamping sleeves 16 to move in the installation clamping ring a10 and the installation clamping ring b 11;
referring to fig. 4, 5, 10 and 11, the elastic member includes two annular gaskets 15, the two annular gaskets 15 are disposed at intervals on one side of the clamping end of the annular ferrule 16, the two annular gaskets 15 in the elastic member located in the opening of the mounting snap ring a10 are disposed at intervals between the corresponding annular ferrule 16 and the bottom of the opening slot of the mounting snap ring a10, and a plurality of pressing springs 19 are disposed in an array between the two annular gaskets 15 for pressing the annular gasket 15 in contact with the annular ferrule 16, so that the annular gasket 15 can press the annular ferrule 16 while moving, and the set of annular ferrules 16 can move in the mounting snap ring a 10;
the two annular gaskets 15 in the elastic piece positioned in the opening of the mounting snap ring b11 are arranged between the corresponding annular clamping sleeve 16 and the bottom of the opening groove of the mounting snap ring b11 at intervals, and a plurality of abutting springs 19 are also arranged between the two annular gaskets 15 in an array manner, so that the annular gasket 15 contacting with the annular clamping sleeve 16 can be abutted by the arranged abutting springs 19, the annular gasket 15 is moved to abut against the annular clamping sleeve 16, and the group of annular clamping sleeves 16 moves in the mounting snap ring b 11;
the opposite ends of the two annular cutting sleeves 16 are respectively provided with a sealing gasket 17, the two sealing gaskets 17 are in close contact under the propping action of corresponding elastic pieces, when the pipeline is influenced by thermal expansion and cold contraction to enable the pipe body a1 to slightly move towards the direction close to the pipe body b2, the propping spring 19 in the mounting snap ring a10 can prop against the annular cutting sleeve 16 in the mounting snap ring a10 to enable the annular cutting sleeve 16 to move towards the direction close to the pipe body b2, so that the sealing gasket 17 on the side wall of the annular cutting sleeve 16 in the mounting snap ring a10 can be always kept in close contact with the sealing gasket 17 on the side wall of the annular cutting sleeve 16 in the mounting snap ring b 11;
when the pipe body a1 moves slightly in the direction away from the pipe body b2, the mounting snap ring b11 on the back side of the flange of the pipe body a1 presses the abutting spring 19, the abutting spring 19 is pressed, and meanwhile, the annular cutting sleeve 16 in the mounting snap ring b11 can be indirectly pressed, so that the sealing gasket 17 on the side wall of the annular cutting sleeve 16 in the mounting snap ring b11 is tightly contacted with the sealing gasket 17 on the side wall of the annular cutting sleeve 16 in the mounting snap ring a10, and finally, when the pipe body a1 moves slightly in the connecting sleeve 3, the sealing performance of the contact part of the outer wall of the pipe body a1 and the inner wall of the connecting sleeve 3 can be ensured, and the leakage caused by gaps generated between the pipe body a1 and the connecting sleeve 3 is avoided;
referring to fig. 1, 6, 7, 8 and 9, the outer wall of the pipe body a1 and the outer wall of the pipe body b2 are respectively provided with the stabilizing sleeve 4 and the interlayer sleeve 5 which are opposite in position, one end of the stabilizing sleeve 4 facing the interlayer sleeve 5 is slidably clamped in the interlayer of the interlayer sleeve 5, one end of the stabilizing sleeve 4 mounted on the outer wall of the pipe body a1 is slidably clamped in the interlayer of the interlayer sleeve 5, so that the stabilizing sleeve 4 is movably assembled on the interlayer sleeve 5, and a certain auxiliary supporting effect can be exerted on the pipe body a1, after the flange end of the pipe body a1 is slidably inserted in the connecting sleeve 3, the weight of the flange end of the pipe body a1 is shared by the connecting sleeve 3 and the stabilizing sleeve 4, and the pressing force of the pipe body a1 on the connecting sleeve 3 can be effectively reduced;
three mounting lugs 6 with corresponding positions are arranged on the periphery of the end part of the stabilizing sleeve 4, which is far away from the interlayer sleeve 5, an extension spring 8 is arranged between the two mounting lugs 6 with corresponding positions, and the extension spring 8 can pull the stabilizing sleeve 4 so that the stabilizing sleeve 4 keeps the trend of approaching the interlayer sleeve 5, the moving stroke of the pipe body a1 can be limited after the pipe body a1 penetrates into the connecting sleeve 3, and the flange end of the pipe body a1 is prevented from completely moving out of the connecting sleeve 3;
referring to fig. 6 to 9, an annular clamping plate 20 is further disposed on the inner bottom wall of the stabilizing sleeve 4, a disc spring 21 and a sealing washer 22 are clamped in the annular clamping plate 20, the disc spring 21 is located between the sealing washer 22 and the inner bottom wall of the stabilizing sleeve 4, and the disc spring 21 and the sealing washer 22 are both tightly sleeved on the outer wall of the pipe body a 1; one end of the sealing washer 22 is pressed by the disc spring 21 to tightly contact with the port part of the connecting sleeve 3 far away from the flange plate, when the pipeline is affected by thermal expansion and cold contraction, and the pipe body a1 moves slightly towards the direction close to the pipe body b2, the stabilizing sleeve 4 can be driven to move towards the direction close to the interlayer sleeve 5 to compress the extension spring 8, and the inner bottom wall of the stabilizing sleeve 4 can be pressed against the disc spring 21 while the stabilizing sleeve 4 moves towards the interlayer sleeve 5, so that the disc spring 21 presses the sealing washer 22, and the side wall of the sealing washer 22 is tightly contacted with the port part of the connecting sleeve 3 far away from the flange plate;
when the pipe body a1 realizes micro-movement towards the direction far away from the pipe body b2, the stabilizing sleeve 4 can be driven to move towards the direction far away from the interlayer sleeve 5 to enable the extension spring 8 to be extended, and when the stabilizing sleeve 4 moves towards the direction far away from the interlayer sleeve 5, the arranged disc spring 21 has elasticity, so that the elastic force of the disc spring 21 can be used for abutting against the sealing washer 22, the sealing washer 22 is enabled to be always in close contact with the port part of the connecting sleeve 3 far away from the flange plate, thereby ensuring that when the pipe body a1 moves towards the axial direction in a micro-scale manner, the sealing washer 22 can be in close contact with the port part of the connecting sleeve 3 far away from the flange plate, and the phenomenon of sealing failure can not occur.
Referring to fig. 7, the outer wall of the pipe body b2 is further provided with a convex ring 23, the inner bottom wall of the interlayer sleeve 5 abuts against the side wall of the convex ring 23, and the arranged convex ring 23 can abut against the inner bottom wall edge of the interlayer sleeve 5, so as to stabilize the interlayer sleeve 5.
Referring to fig. 7, the outer diameter of the sealing washer 22 is larger than the outer diameter of the end of the connecting sleeve 3 far away from the flange, and the outer diameter of the sealing washer 22 is set to be larger than the outer diameter of the end of the connecting sleeve 3 far away from the flange, so that the contact area between the sealing washer 22 and the end of the connecting sleeve 3 can be increased, and the problem that the end of the connecting sleeve 3 is expanded and cannot be completely sealed by the sealing washer 22 when the connecting sleeve 3 is thermally expanded is avoided.
Referring to fig. 7, the tension force of the tension spring 8 is greater than the tension force of the disc spring 21, so that the tension force of the disc spring 21 is smaller than the tension force of the tension spring 8, and the situation that the stable sleeve 4 is reversely abutted to move away from the interlayer sleeve 5 when the tension force of the disc spring 21 is greater than the tension force of the tension spring 8 can be avoided.
The present invention has been described in detail above. The description of the specific embodiments is only intended to facilitate an understanding of the method of the invention and its core ideas. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.
Claims (8)
1. The glass fiber reinforced plastic pipeline connecting and sealing structure is characterized in that: the pipe comprises a pipe body a (1) with a flange at one end, a pipe body b (2) with a flange on the outer wall of the pipe and a connecting sleeve (3) arranged on one side of the flange of the pipe body b (2), wherein the flange end of the pipe body a (1) is slidably arranged in an end opening, far away from the flange, of the connecting sleeve (3);
a sealing component for sealing the outer wall of the pipe body a (1) and the inner wall of the connecting sleeve (3) is arranged between the inner wall of the port of the connecting sleeve (3) far away from the flange plate and the outer wall of the flange end of the pipe body a (1); the outer wall of the pipe body a (1) and the outer wall of the pipe body b (2) are respectively provided with a stabilizing sleeve (4) and an interlayer sleeve (5) which are opposite in position, one end, facing the interlayer sleeve (5), of the stabilizing sleeve (4) is slidably clamped in an interlayer of the interlayer sleeve (5), the periphery of the end part, deviating from the interlayer sleeve (5), of the stabilizing sleeve (4) is provided with three mounting lugs (6) which are opposite in position, and a stretching spring (8) is arranged between the two mounting lugs (6) which are opposite in position;
an annular clamping plate (20) is further arranged on the inner bottom wall of the stabilizing sleeve (4), a disc spring (21) and a sealing washer (22) are clamped in the annular clamping plate (20), the disc spring (21) is located between the sealing washer (22) and the inner bottom wall of the stabilizing sleeve (4), and the disc spring (21) and the sealing washer (22) are tightly sleeved on the outer wall of the pipe body a (1); one end of the sealing washer (22) is in tight contact with the port part of the connecting sleeve (3) far away from the flange plate under the pushing action of the disc spring (21).
2. The FRP pipe connection seal structure of claim 1, wherein: the sealing assembly comprises an installation clamping ring a (10) and an installation clamping ring b (11) which are oppositely arranged in an opening direction, the installation clamping ring a (10) is sleeved in the port of the connecting sleeve (3) far away from the flange plate and is locked through a locking part, and the installation clamping ring b (11) is sleeved on the pipe body of the pipe body a (1) and is positioned on the back side of the flange of the pipe body a (1); installation snap ring a (10) with all be provided with elastic component and annular cutting ferrule (16) in the opening that installation snap ring b (11) is relative, two the looks remote site of annular cutting ferrule (16) all is provided with sealed pad (17), two sealed pad (17) are corresponding the elastic component support down in close contact with.
3. The FRP pipe connection seal structure of claim 2, wherein: the locking piece comprises six positioning blocks (18) distributed on the circumferential outer wall of the mounting snap ring a (10) in an array manner, positioning grooves (12) matched with the six positioning blocks (18) are correspondingly formed in the inner wall of a port, far away from the flange, of the connecting sleeve (3), and the six positioning blocks (18) on the mounting snap ring a (10) are correspondingly clamped in the six positioning grooves (12); still be provided with on the circumference outer wall of adapter sleeve (3) with six fixed head (24) that constant head tank (12) position corresponds, every all be provided with the screw on fixed head (24), the end of screwing in of screw runs through to in constant head tank (12) and screw in are in locating piece (18).
4. The FRP pipe connection seal structure of claim 2, wherein: the elastic piece comprises two annular gaskets (15), the two annular gaskets (15) are arranged on one side of the clamping end of the annular clamping sleeve (16) at intervals, and a plurality of abutting springs (19) are arranged between the two annular gaskets (15) in an array mode.
5. The FRP pipe connection seal structure of claim 1, wherein: the end wall of the end, close to the flange, of the connecting sleeve (3) and the side wall of the flange of the pipe body b (2) are closely attached to each other, and the end wall of the connecting sleeve (3) is closely attached to the side wall of the flange of the pipe body b (2).
6. The FRP pipe connection seal structure of claim 1, wherein: the outer wall of the pipe body b (2) is further provided with a convex ring (23), and the inner bottom wall of the interlayer sleeve (5) abuts against the side wall of the convex ring (23).
7. The FRP pipe connection seal structure of claim 1, wherein: the outer diameter of the sealing washer (22) is larger than the outer diameter of the end part of the connecting sleeve (3) far away from the flange plate.
8. The FRP pipe connection seal structure of claim 1, wherein: the tensile force of the extension spring (8) is larger than the elastic force of the disc spring (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221052039.4U CN217519427U (en) | 2022-05-05 | 2022-05-05 | Glass fiber reinforced plastic pipeline connecting and sealing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221052039.4U CN217519427U (en) | 2022-05-05 | 2022-05-05 | Glass fiber reinforced plastic pipeline connecting and sealing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217519427U true CN217519427U (en) | 2022-09-30 |
Family
ID=83372897
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221052039.4U Active CN217519427U (en) | 2022-05-05 | 2022-05-05 | Glass fiber reinforced plastic pipeline connecting and sealing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217519427U (en) |
-
2022
- 2022-05-05 CN CN202221052039.4U patent/CN217519427U/en active Active
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