CN212056220U - Groove pipe fitting - Google Patents
Groove pipe fitting Download PDFInfo
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- CN212056220U CN212056220U CN202020676216.0U CN202020676216U CN212056220U CN 212056220 U CN212056220 U CN 212056220U CN 202020676216 U CN202020676216 U CN 202020676216U CN 212056220 U CN212056220 U CN 212056220U
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- pipe
- pipe fitting
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- groove
- slot
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Abstract
The utility model provides a slot pipe fitting, relates to pipeline groove connection technical field, including slot pipe fitting body, fixed compound on the mouth of pipe inner wall of slot pipe fitting body has the sealing layer of moulding plastics, the sealing layer of moulding plastics is the annular along the mouth of pipe inner wall of slot pipe fitting body and sets up and constitute the tubular structure, all laminates on the both ends mouth of pipe terminal surface of slot pipe fitting body and is equipped with the annular and fills up, and the annular of the sealed inner circle of filling up at both ends and the fixed butt joint of the sealed outside port of moulding plastics constitute an organic whole structure, and fixed compound has the inside lining inoxidizing coating on the. The injection molding sealing layer and the annular sealing gasket are arranged, so that the sealing performance is enhanced; the annular sealing gasket isolates the front end pipe orifice end face of the groove pipe fitting body, the pipe end of the connecting pipe, the rear end pipe orifice end face of the groove pipe fitting body and the flange or valve butt joint end face, fluid leakage is prevented from being in direct contact with the pipe end of the groove pipe fitting body, the pipe end of the groove pipe fitting body is effectively prevented from being corroded, the service life of the groove pipe fitting is prolonged, and maintenance cost is reduced.
Description
Technical Field
The utility model belongs to the technical field of the pipeline slot connection technique and specifically relates to a slot pipe fitting.
Background
The pipe groove connection is a sleeve type quick connection which is formed by machining a special channeling machine into an annular groove at the joint part of the pipe, sleeving a rubber sealing ring on the adjacent pipe end and assembling a split type clamp piece, a C-shaped rubber sealing ring, a fastener and the like. The groove connection has the advantages of quick, simple, safe, reliable, economic, free of electric welding, free of pollution and the like, labor and labor cost are saved, noise of the pipeline, vibration propagation, expansion with heat and contraction with cold can be absorbed in operation, the pipeline is convenient to maintain, and the installation place is not limited. The method is the first push technology for connecting liquid and gas pipelines. However, the biggest problem that the lined stainless steel composite pipe is connected by the groove is that the end face of the pipe orifice is easy to corrode and rust, and before the pipeline is installed, the contact between the end face of the pipe orifice and the outer part of the pipe end needs to be subjected to rust prevention treatment.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that not enough to prior art provides an increase sealing performance, improves antirust property's slot pipe fitting.
The utility model aims to solve the technical problem that realize through following technical scheme, the utility model relates to a slot pipe fitting, its characteristics are, fixed compound on the mouth of pipe inner wall of slot pipe fitting body has the sealing layer of moulding plastics, the sealing layer of moulding plastics is the annular along the mouth of pipe inner wall of slot pipe fitting body and sets up and constitute tubular structure, all laminates on the both ends mouth of pipe terminal surface of slot pipe fitting body and is equipped with the annular sealing pad, and the annular sealing pad's at both ends inner circle and the sealing layer outside port of moulding plastics are fixed to dock mutually and constitute a body structure, and fixed compound has the inside lining inoxidizing coating on the inner tube wall of the sealing layer.
The utility model discloses the technical problem that solve can also further realize through following technical scheme, above the slot pipe fitting in: the thickness of the annular sealing gasket is 0.5-5 mm.
The utility model discloses the technical problem that solve can also further realize through following technical scheme, above the slot pipe fitting in: the thickness of the annular sealing gasket is 1.5-2 mm.
The utility model discloses the technical problem that solve can also further realize through following technical scheme, above the slot pipe fitting in: the lining protective layer is a stainless steel protective layer.
The utility model discloses the technical problem that solve can also further realize through following technical scheme, above the slot pipe fitting in: the pipe orifice inner wall of the groove pipe fitting body is fixedly provided with a limiting portion which extends inwards, and the injection molding sealing layer is provided with a groove matched with the limiting portion.
Compared with the prior art, the beneficial effects of the utility model are that:
the composite cylindrical injection molding sealing layer is fixed on the inner wall of the pipe orifice between the groove pipe fitting body and the lining protective layer, the annular sealing gaskets which are integrally formed with the injection molding sealing layer are attached to the end faces of the pipe orifices at two ends of the groove pipe fitting body, the inner side wall of the injection molding sealing layer is attached to the lining protective layer, and the outer side wall of the injection molding sealing layer is attached to the inner side wall of the groove pipe fitting, so that the connection strength of the annular sealing gaskets is enhanced, the annular sealing gaskets are not easy to damage, and the sealing; the annular sealing gasket isolates the two ends of the groove pipe fitting body from the pipe end of the pipe base pipe and the pipe end of the butt flange respectively, fluid leakage is avoided, direct contact with the pipe end of the groove pipe fitting body is avoided, the pipe end of the groove pipe fitting body is effectively prevented from being corroded, the service life of the groove pipe fitting is prolonged, and maintenance cost is reduced.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is an assembly view of a prior art sealless layer;
fig. 3 is an assembly diagram of the present invention.
In the figure: 1. the pipe fitting comprises a groove pipe fitting body, 2 parts of an injection molding sealing layer, 3 parts of an annular sealing gasket, 4 parts of a lining protection layer, 5 parts of a limiting part, 6 parts of a groove, 7 parts of a pipe base pipe, 8 parts of a lining stainless steel pipe, 9 parts of a hoop, 10 parts of a hoop sealing ring and 11 parts of a butt flange.
Detailed Description
The following further describes embodiments of the present invention in order to facilitate further understanding of the present invention by those skilled in the art, and does not constitute a limitation to the right thereof.
[ example 1 ]
Referring to fig. 1, combining fig. 2, a trench tube, this embodiment uses a flange type trench tube as an example, including trench tube body 1, fixed compound on the mouth of pipe inner wall of trench tube body 1 has injection-molded sealing layer 2, injection-molded sealing layer 2 is annular along the mouth of pipe inner wall of trench tube body 1 and sets up and constitutes the tubular structure, all laminate on the mouth of pipe end face at both ends of trench tube body 1 and be equipped with annular sealing gasket 3, the inner circle of the annular sealing gasket 3 at both ends and the mouth of the sealing layer 2 outside of injection-molded sealing layer are fixed to dock and constitute an organic whole structure, the external diameter of the annular sealing gasket 3 at the front end of trench tube body 1 is less than the external diameter of trench tube body 1, is greater than the internal diameter of trench tube body 1, fixed compound on the inner tube.
The thickness of the annular sealing gasket 3 is 1.5 mm. The size of the groove pipe fitting can be adjusted and improved according to the actual assembly size of the sealing ring, so that the groove pipe fitting is easy to assemble while the sealing and rust prevention performance is improved.
The lining protective layer 4 is a stainless steel protective layer.
Fixed spacing portion 5 that is equipped with the inward extension setting on the mouth of pipe inner wall of slot pipe fitting body 1 be equipped with on the sealing layer 2 of moulding plastics with spacing portion 5 matched with recess 6. Spacing portion 5 can effectively prevent the upper and lower drunkenness of sealing layer 2 of moulding plastics, makes the connection of slot pipe fitting firm, further strengthens the leakproofness of annular seal pad 3, prevents that the fluid from revealing to with fluid and 1 pipe end of slot pipe fitting body isolated, improved the rust resistance of slot pipe fitting pipe end.
In production, the groove pipe fitting and the thin-wall stainless steel pipe are placed in a mold, a TPE soft rubber layer is injected between the groove pipe fitting and the thin-wall stainless steel pipe for composite molding, and the injection molding sealing layer 2 and the annular sealing gasket 3 are integrally molded through injection molding.
The pipe end of the pipe to be connected is provided with a groove matched with the groove pipe, the groove pipe and the pipe are connected through a clamp 9, referring to fig. 2, the pipe comprises a pipe base pipe 7 which is usually a carbon steel pipe, and a lining stainless steel pipe 8 is arranged in the pipe cavity of the pipe base pipe 7; when not having sealed the pad connection, the pipe base tube 7 pipe end of tubular product and the front end pipe orifice end face direct contact of slot pipe fitting body 1, although be provided with clamp sealing washer 10 in the clamp 9 and seal, nevertheless when clamp sealing washer 10 sealed failure appears the fluid and reveals, the fluid contacts with the pipe end of slot pipe fitting body 1, leads to the 1 pipe end of slot pipe fitting body to take place to corrode and rust. The rear end mouth of pipe of flange formula slot pipe fitting body connects docking flange 11, and docking flange 11 is including the valve of welding flange or flange formula interface on the tubular product parent tube, and the butt joint terminal surface direct contact between them does not have the separation of sealed pad, and when the fluid of appearing revealing, the rear end mouth of pipe terminal surface of flange formula slot pipe fitting body 1 and the butt joint terminal surface of docking flange 11 take place to corrode easily and rust.
Refer to fig. 3, when adopting the slot pipe fitting, owing to set up injection sealing layer 2, and the both ends of slot pipe fitting body 1 all set up annular sealing pad 3, the mouth of pipe terminal surface of 1 front end mouth of pipe terminal surface of slot pipe fitting body and tubular product parent tube 7, the mouth of pipe terminal surface of 1 rear end mouth of pipe terminal surface of slot pipe fitting body and flange 11 separates, even take place the fluid and reveal, the fluid can not with 1 pipe end direct contact of slot pipe fitting body to effectual 1 both ends of slot pipe fitting body, 7 pipe ends of tubular product parent tube and flange 11 butt joint terminal surfaces have been protected, rust by avoiding corroding.
[ example 2 ]
In example 1, the thickness of the annular seal 3 was 1.8 mm.
[ example 3 ]
In example 1, the thickness of the annular seal 3 was 2 mm.
The utility model provides a slot pipe fitting, relates to pipeline groove connection technical field, including slot pipe fitting body, fixed compound on the mouth of pipe inner wall of slot pipe fitting body has the sealing layer of moulding plastics, the sealing layer of moulding plastics is the annular along the mouth of pipe inner wall of slot pipe fitting body and sets up and constitute the tubular structure, all laminates on the both ends mouth of pipe terminal surface of slot pipe fitting body and is equipped with the annular and fills up, and the annular of the sealed inner circle of filling up at both ends and the fixed butt joint of the sealed outside port of moulding plastics constitute an organic whole structure, and fixed compound has the inside lining inoxidizing coating on the. The injection molding sealing layer and the annular sealing gasket are arranged, so that the sealing performance is enhanced; the annular sealing gasket isolates the front end pipe orifice end face of the groove pipe fitting body, the pipe end of the connecting pipe, the rear end pipe orifice end face of the groove pipe fitting body and the flange or valve butt joint end face, fluid leakage is prevented from being in direct contact with the pipe end of the groove pipe fitting body, the pipe end of the groove pipe fitting body is effectively prevented from being corroded, the service life of the groove pipe fitting is prolonged, and maintenance cost is reduced.
Claims (5)
1. A slot pipe fitting, includes slot pipe fitting body, its characterized in that: the groove pipe fitting comprises a groove pipe fitting body, wherein an injection molding sealing layer is fixedly compounded on the inner wall of a pipe orifice of the groove pipe fitting body, the injection molding sealing layer is arranged in an annular mode along the inner wall of the pipe orifice of the groove pipe fitting body to form a tubular structure, annular sealing gaskets are attached to the end faces of pipe orifices at two ends of the groove pipe fitting body, inner rings of the annular sealing gaskets at the two ends are fixedly butted with outer end ports of the injection molding sealing layers to form an integral structure, and a lining protective layer is fixedly compounded on the inner wall.
2. The grooved pipe section of claim 1 wherein: the thickness of the annular sealing gasket is 0.5-5 mm.
3. The grooved pipe section of claim 2, wherein: the thickness of the annular sealing gasket is 1.5-2 mm.
4. The grooved pipe section of claim 1 wherein: the lining protective layer is a stainless steel protective layer.
5. The grooved pipe section of claim 1 wherein: the pipe orifice inner wall of the groove pipe fitting body is fixedly provided with a limiting portion which extends inwards, and the injection molding sealing layer is provided with a groove matched with the limiting portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020676216.0U CN212056220U (en) | 2020-04-28 | 2020-04-28 | Groove pipe fitting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020676216.0U CN212056220U (en) | 2020-04-28 | 2020-04-28 | Groove pipe fitting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212056220U true CN212056220U (en) | 2020-12-01 |
Family
ID=73518369
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020676216.0U Active CN212056220U (en) | 2020-04-28 | 2020-04-28 | Groove pipe fitting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212056220U (en) |
-
2020
- 2020-04-28 CN CN202020676216.0U patent/CN212056220U/en active Active
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