CN216479476U - Sealing connection structure of fire-fighting plastic-coated composite pipe - Google Patents
Sealing connection structure of fire-fighting plastic-coated composite pipe Download PDFInfo
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- CN216479476U CN216479476U CN202122978208.9U CN202122978208U CN216479476U CN 216479476 U CN216479476 U CN 216479476U CN 202122978208 U CN202122978208 U CN 202122978208U CN 216479476 U CN216479476 U CN 216479476U
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Abstract
The utility model is suitable for the technical field of pipeline connection, and provides a sealing connection structure of a plastic-coated composite pipe, which comprises a first pipe section and a second pipe section, wherein one end of the first pipe section is provided with a first connection end, the second pipe section is provided with a second connection end, and the peripheries of the first connection end and the second connection end are respectively provided with a plurality of second bolts; the connecting rings protruding outwards are arranged on the sides, close to each other, of the first connecting end and the second connecting end, a first bolt is arranged between the two connecting rings, and a sealing assembly is arranged between the first connecting end and the second connecting end. Therefore, the fire fighting pipe is simple in structure and reliable in design, and can effectively prevent water leakage, so that the stability of water flow and water pressure of the fire fighting pipe is guaranteed.
Description
Technical Field
The utility model relates to the technical field of pipeline connection, in particular to a sealing connection structure of a fire-fighting plastic-coated composite pipe.
Background
The plastic coated composite pipe uses welded steel pipe or seamless steel pipe as base pipe, and has outer wall coated with thermosetting powder paint with high adhesion, high impact resistance, high corrosion resistance and high weather resistance and inner wall coated with thermoplastic powder paint with high adhesion, high corrosion resistance and food level hygiene. The special plastic-coated pipe for fire fighting is prepared by adopting the processes of sand blasting chemical double pretreatment, preheating, internal coating, external coating, curing, post-treatment and the like, and is an upgraded high-cost performance product of the traditional steel-plastic pipe and galvanized pipe.
The existing fire-fighting coating composite pipe mostly uses flanges when being connected, bolts are used for flange connection and are fixed, but each bolt needs to be screwed up and loosened during flange connection, the work is more complicated, and the bolts can loosen after being used for a period of time, so that water leakage at the pipeline connection position is caused, and water flow and water pressure in a fire-fighting pipeline are influenced.
In view of the above, the prior art is obviously inconvenient and disadvantageous in practical use, and needs to be improved.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects, the utility model aims to provide a sealing connection structure of a fire-fighting plastic-coated composite pipe, which has a simple structure and reliable design and can effectively prevent water leakage so as to ensure stable water flow and water pressure of the fire-fighting pipe.
In order to achieve the purpose, the utility model provides a sealing connection structure of a plastic coated composite pipe, which comprises a first pipe section and a second pipe section, wherein a first connection end is arranged at one end of the first pipe section, a second connection end is arranged on the second pipe section, and a plurality of second bolts are arranged on the peripheries of the first connection end and the second connection end; the side, close to each other, of each of the first connecting end and the second connecting end is provided with a connecting ring protruding outwards, a first bolt is arranged between the two connecting rings, and a sealing assembly is arranged between the first connecting end and the second connecting end; the sealing assembly comprises a first sealing element movably connected to the end part of the first connecting end and a second sealing element movably connected to the end part of the second connecting end; the first sealing element comprises a first supporting plate, a first round hole is formed in the middle of the first supporting plate, a plurality of sliding rods are arranged on the periphery of the first supporting plate, each sliding rod is perpendicular to the first supporting plate, the other end of each sliding rod is fixedly connected with the first sliding block, a plurality of mounting grooves matched with the first sliding blocks are formed in the end face of the first connecting end, and elastic elements are arranged between the first sliding blocks and the mounting grooves.
According to the sealing connection structure of the plastic-coated composite pipe, the second sealing element comprises a second supporting plate, a second round hole is formed in the middle of the second supporting plate, a plurality of sliding rods are arranged on the periphery of the second supporting plate, each sliding rod is perpendicular to the second supporting plate, the other end of each sliding rod is fixedly connected with a second sliding block, a plurality of mounting grooves matched with the second sliding blocks are formed in the end face of the second connecting end, and an elastic element is arranged between each second sliding block and each mounting groove.
According to the sealing connection structure of the plastic coated composite pipe, the end surface of the first support plate close to one side of the second sealing element is provided with the annular groove, and the end surface of the second support plate close to one side of the first sealing element is provided with the annular bulge matched with the groove.
According to the sealing connection structure of the plastic coated composite pipe, the sealing gasket is arranged in the groove.
According to the sealing connection structure of the plastic coated composite pipe, the elastic element is a spring.
According to the sealing connection structure of the plastic coated composite pipe, the number of the sliding rods of the first sealing element and the second sealing element is 4.
The utility model aims to provide a sealing connection structure of a plastic coated composite pipe, which can play a role in sealing a pipeline connection part by arranging a sealing assembly, and when a first bolt is loosened in subsequent work, the first sealing element and a second sealing element are in a mutually attached state under the elastic force action of an elastic element, so that the water leakage phenomenon is prevented. In conclusion, the beneficial effects of the utility model are as follows: simple structure, the design is reliable, can effectively prevent the emergence of the phenomenon of leaking to guarantee that the rivers and the water pressure of fire control pipe are stable.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a seal assembly construction;
FIG. 3 is a schematic view of a second seal construction;
in the figure: 11-a first connecting end, 12-a second connecting end, 2-a first bolt, 31-a first pipe section, 32-a second pipe section, 4-a second bolt, 5-a sealing component, 51-a first sealing element, 511-a first supporting plate, 512-a groove, 513-a first circular ring, 514-a first sliding block, 515-a sealing gasket, 52-a second sealing element, 521-a second supporting plate, 522-an annular bulge, 523-a second circular hole and 524-a second sliding block.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Referring to fig. 1 and 2, the utility model provides a sealing connection structure of a plastic coated composite pipe, which comprises a first pipe section 31 and a second pipe section 32, wherein one end of the first pipe section 31 is provided with a first connection end 11, the second pipe section 32 is provided with a second connection end 12, the peripheries of the first connection end 11 and the second connection end 12 are respectively provided with a plurality of second bolts 4, the second bolts 4 can fixedly connect the first connection end 11 to the end of the first pipe section 31, and the second connection end 12 to the end of the second pipe section 32; the side, close to each other, of each of the first connection end 11 and the second connection end 12 is provided with a connection ring protruding outwards, the two connection rings of the two pipe sections are connected through a first bolt 2, and a sealing assembly 5 is arranged between the first connection end 11 and the second connection end 12.
The sealing assembly 5 comprises a first sealing element 51 movably connected to the end of the first connecting end 11 and a second sealing element 52 movably connected to the end of the second connecting end 12, wherein the first sealing element 51 and the second sealing element 52 cooperate to make the first pipe section 31 and the second pipe section 32 be in sealing connection.
The first sealing element 51 comprises a first supporting plate 511, an annular groove 512 is formed in the end face of the first supporting plate 511 close to one side of the second sealing element 52, a first round hole 513 matched with the first pipe section 31 is formed in the middle of the first supporting plate 511, a plurality of sliding rods are arranged on the periphery of the first supporting plate 511, each sliding rod is perpendicular to the first supporting plate 511, a first sliding block 514 is fixedly connected to the other end of each sliding rod, a plurality of mounting grooves matched with the first sliding blocks 514 are formed in the end face of the first connecting end 11, the first sliding blocks 514 are located in the mounting grooves, the first sealing element is movably connected to the end face of the first connecting end 11, and an elastic element is arranged between the first sliding blocks 514 and the mounting grooves.
With reference to fig. 2 and 3, the second sealing member 52 includes a second support plate 521, an annular protrusion 522 matched with the groove 512 is disposed on an end surface of one side of the second support plate 521 close to the first sealing member 51, a second round hole 523 matched with the second pipe segment 32 is disposed in a middle of the second support plate 521, a plurality of sliding rods are disposed on an outer periphery of the second support plate 521, each sliding rod is perpendicular to the second support plate 521, a second slider 524 is fixedly connected to the other end of each sliding rod, a plurality of mounting grooves matched with the second slider 524 are disposed on an end surface of the second connecting end 12, the second slider 524 is disposed in the mounting grooves, so that the second sealing member 52 is movably connected to the end surface of the second connecting end 12, and an elastic element is disposed between the second slider 524 and the mounting grooves.
During operation, the first connecting end 11 and the second connecting end 12 are fixed by the first bolt 2, at the moment, the first sealing element 51 and the second sealing element 52 are close to each other, the elastic element is compressed, the first sealing element 51 and the second sealing element 52 are tightly pressed, the first pipe section 31 and the second pipe section 32 are communicated with the first round hole 513 and the second round hole 523, the annular protrusion 522 is pressed into the groove 512, the annular protrusion 522 and the groove 512 which are matched with each other can play a role in sealing the connecting part, even if the first bolt 2 is loosened in subsequent operation, the first sealing element 51 and the second sealing element 52 can be in a mutually-fitted state under the action of the elastic element, and the water leakage phenomenon is prevented.
Furthermore, a sealing gasket 515 is arranged in the groove 512, and the sealing gasket 515 is squeezed when the annular protrusion 522 is matched with the groove 512, so that a better sealing effect is achieved.
Preferably, the number of the sliding rods of the first sealing element 51 and the second sealing element 52 is 4, and the number of the installation grooves of the first sealing element 51 and the second sealing element 52 is also 4.
Preferably, the resilient element is a spring.
The working principle of the utility model is as follows:
the first connecting end 11 is fixed to the end of the first pipe section 31 by the second bolt 4, the second connecting end 12 is fixed to the end of the second pipe section 32, the first connecting end 11 and the second connecting end 12 are fixed by the first bolt 2, the first sealing element 51 and the second sealing element 52 are close to each other, the elastic element is compressed, the first sealing element 51 and the second sealing element 52 are pressed, the first pipe section 31 and the second pipe section 32 are communicated with the first round hole 513 and the second round hole 523, the annular protrusion 522 is then pressed into the groove 512, and the mating annular protrusion 522 and groove 512 can act as a seal against the joint, even if the first bolt 2 is loosened in the subsequent work, the first sealing element 51 and the second sealing element 52 are in a mutually attached state under the action of the elastic element, so that the water leakage phenomenon is prevented, and the water flow and the water pressure of the fire fighting pipe are stable.
In summary, the sealing assembly of the present invention can seal the joint of the pipe, and when the first bolt loosens in the subsequent operation, the elastic force of the elastic element will make the first sealing element and the second sealing element in a mutually attached state, thereby preventing water leakage. The utility model has the beneficial effects that: simple structure, the design is reliable, can effectively prevent the emergence of the phenomenon of leaking to guarantee that the rivers and the water pressure of fire control pipe are stable.
The present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof, and it should be understood that various changes and modifications can be effected therein by one skilled in the art without departing from the spirit and scope of the utility model as defined in the appended claims.
Claims (6)
1. A sealing connection structure of a plastic-coated composite pipe is characterized by comprising a first pipe section and a second pipe section, wherein a first connection end is arranged at one end of the first pipe section, a second connection end is arranged on the second pipe section, and a plurality of second bolts are arranged on the peripheries of the first connection end and the second connection end; the side, close to each other, of each of the first connecting end and the second connecting end is provided with a connecting ring protruding outwards, a first bolt is arranged between the two connecting rings, and a sealing assembly is arranged between the first connecting end and the second connecting end;
the sealing assembly comprises a first sealing element movably connected to the end part of the first connecting end and a second sealing element movably connected to the end part of the second connecting end;
the first sealing element comprises a first supporting plate, a first round hole is formed in the middle of the first supporting plate, a plurality of sliding rods are arranged on the periphery of the first supporting plate, each sliding rod is perpendicular to the first supporting plate, a first sliding block is fixedly connected to the other end of each sliding rod, a plurality of mounting grooves matched with the first sliding blocks are formed in the end face of the first connecting end, and elastic elements are arranged between the first sliding blocks and the mounting grooves.
2. The sealing connection structure of an anti-extrusion coated composite pipe as claimed in claim 1, wherein the second sealing member comprises a second support plate, a second round hole is formed in the middle of the second support plate, a plurality of sliding rods are arranged on the periphery of the second support plate, each sliding rod is arranged perpendicular to the second support plate, a second sliding block is fixedly connected to the other end of each sliding rod, a plurality of mounting grooves matched with the second sliding blocks are formed in the end face of the second connecting end, and an elastic element is arranged between the second sliding block and the mounting grooves.
3. The sealed connection structure of plastic coated composite pipe as claimed in claim 2, wherein the end surface of the first support plate near the second sealing member is provided with an annular groove, and the end surface of the second support plate near the first sealing member is provided with an annular protrusion matching with the groove.
4. The sealed connection structure of plastic coated composite pipe as claimed in claim 3, wherein a sealing gasket is provided in the groove.
5. The sealed, connected structure of claim 1, wherein said resilient element is a spring.
6. The sealed, connected structure of claim 1, wherein said sliding bars of said first and second seals are each 4 in number.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122978208.9U CN216479476U (en) | 2021-11-30 | 2021-11-30 | Sealing connection structure of fire-fighting plastic-coated composite pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122978208.9U CN216479476U (en) | 2021-11-30 | 2021-11-30 | Sealing connection structure of fire-fighting plastic-coated composite pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216479476U true CN216479476U (en) | 2022-05-10 |
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ID=81403066
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122978208.9U Active CN216479476U (en) | 2021-11-30 | 2021-11-30 | Sealing connection structure of fire-fighting plastic-coated composite pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216479476U (en) |
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2021
- 2021-11-30 CN CN202122978208.9U patent/CN216479476U/en active Active
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