CN220060932U - Ductile cast iron pipe fitting with good sealing performance - Google Patents
Ductile cast iron pipe fitting with good sealing performance Download PDFInfo
- Publication number
- CN220060932U CN220060932U CN202321182268.2U CN202321182268U CN220060932U CN 220060932 U CN220060932 U CN 220060932U CN 202321182268 U CN202321182268 U CN 202321182268U CN 220060932 U CN220060932 U CN 220060932U
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- China
- Prior art keywords
- pipe fitting
- iron pipe
- sealing
- fastening
- sealing performance
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Links
- 238000007789 sealing Methods 0.000 title claims abstract description 78
- 229910001141 Ductile iron Inorganic materials 0.000 title claims abstract description 38
- 239000000976 ink Substances 0.000 claims abstract description 12
- 239000000463 material Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 6
- 238000004146 energy storage Methods 0.000 abstract description 3
- 239000011248 coating agent Substances 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- 239000004698 Polyethylene Substances 0.000 description 3
- -1 polyethylene Polymers 0.000 description 3
- 229920000573 polyethylene Polymers 0.000 description 3
- 229920000915 polyvinyl chloride Polymers 0.000 description 3
- 239000004800 polyvinyl chloride Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229910052749 magnesium Inorganic materials 0.000 description 2
- 239000011777 magnesium Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000011083 cement mortar Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 150000002910 rare earth metals Chemical class 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Landscapes
- Gasket Seals (AREA)
Abstract
A ductile iron pipe fitting with good sealing performance comprises a first ductile iron pipe fitting, a second ductile iron pipe fitting and a fastening clamp. Compared with the prior art, the utility model has the advantages that: the sealing washer between two flange can provide preliminary seal between the link of first ball china ink pipe fitting and second ball china ink pipe fitting, and when two flange connects, can extrude sealing ring and sealed pad, sealing ring and sealed pad can produce deformation energy storage, two flange of interference fit improve sealing performance greatly, and the fastening clamp can further improve two flange's fixed effect under fastening bolt and fastening nut's fixed, and the structure is more stable.
Description
Technical Field
The utility model relates to the technical field of spheroidal graphite cast iron pipe fittings, in particular to a spheroidal graphite cast iron pipe fitting with good sealing performance.
Background
The spheroidal graphite cast iron pipe is a pipe fitting which is added into molten iron before casting by using a magnesium or rare earth magnesium combined gold spheroidizing agent, so that graphite spheroidization and stress concentration are reduced, and the pipe fitting has the advantages of high strength, high elongation, impact resistance, corrosion resistance, good sealing performance and the like; the inner wall adopts a cement mortar lining, so that the water delivery environment of the pipeline is improved, the water supply capacity is improved, and the energy consumption is reduced; the pipe orifice adopts a flexible interface, and the pipe has larger extensibility, so that the flexibility of the pipe is better, the pipe can work together with soil around the pipe in the buried pipe, the stress state of the pipe is improved, and the reliability of pipe network operation is improved.
The Chinese patent with the publication number of CN204692781U discloses a novel nodular cast iron pipe fitting, which comprises a pipe fitting parent body, wherein the end part of the pipe fitting parent body is provided with a receiving wide opening or a flange plate, the inner wall of the pipe fitting parent body is provided with a polyvinyl chloride or polyethylene lining coating with the thickness of 1500-2400 micrometers, one end of the polyvinyl chloride or polyethylene lining coating, which corresponds to the receiving wide opening, is positioned at the inner boundary of the receiving wide opening, or the outer side surface of the flange plate is also provided with the polyvinyl chloride or polyethylene lining coating and is in continuous transition with the lining coating of the inner wall of the pipe fitting parent body.
The prior art scheme has the following defects: when the ends of the two ductile cast iron pipe fittings are connected by using the flange plates, the tightness is poor, and leakage is easy to occur.
Disclosure of Invention
Aiming at the defects in the prior art, the utility model provides a ductile cast iron pipe fitting with good sealing performance, so as to solve the problems in the prior art.
In order to achieve the aim of the utility model, the technical scheme adopted by the utility model is that the ductile cast iron pipe fitting with good sealing performance comprises a first ductile cast iron pipe fitting, a second ductile cast iron pipe fitting and a fastening clamp, wherein a connecting flange is fixedly connected to one side wall of the first ductile cast iron pipe fitting and one side wall of the second ductile cast iron pipe fitting, which are close to each other, the two connecting flanges are detachably connected together through a fastening bolt and a fastening nut, and a sealing ring is arranged between the two connecting flanges.
As an improvement: a sealing groove is formed in one side wall, close to each other, of each connecting flange, and a sealing ring is arranged between the two sealing grooves.
As an improvement: sealing gaskets are respectively arranged between the two side walls of the sealing ring and the two connecting flanges.
As an improvement: through holes through which threaded ends of the fastening bolts can pass are formed in the sealing gasket and the sealing ring.
As an improvement: the fastening clamp is sleeved on the two connecting flanges.
As an improvement: the sealing ring is made of rubber materials.
Compared with the prior art, the utility model has the following beneficial effects:
1. the sealing washer between two flange can provide preliminary seal between the link of first ball china ink pipe fitting and second ball china ink pipe fitting, and when two flange connects, can extrude sealing ring and sealed pad, sealing ring and sealed pad can produce deformation energy storage, two flange of interference fit improve sealing performance greatly, and the fastening clamp can further improve two flange's fixed effect under fastening bolt and fastening nut's fixed, and the structure is more stable.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a ductile iron pipe fitting with good sealing performance according to the present utility model;
FIG. 2 is a cross-sectional view of a flange for connecting ductile iron pipe fittings with good sealing properties according to the present utility model;
FIG. 3 is a schematic view of a connecting flange structure of a ductile iron pipe fitting with good sealing performance;
FIG. 4 is a schematic diagram of a seal ring structure of a ductile iron pipe fitting with good sealing performance according to the present utility model;
as shown in the figure:
1. a first spherical ink pipe fitting; 2. a second spherical ink pipe fitting; 5. fastening a clamp; 3. a connecting flange; 3.1, fastening bolts; 3.2, fastening a nut; 4. a seal ring; 3.3, sealing the groove; 3.4, sealing rings; 4.1, a sealing gasket; 4.2, through holes.
Detailed Description
In order to make the technical means, the creation characteristics and the effect of achieving the object of the present utility model easy to understand, the present utility model is further described below with reference to the specific embodiments.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both sides", "one side", "the other side", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
As shown in fig. 1 and 2, a ductile cast iron pipe fitting with good sealing performance comprises a first ductile cast iron pipe fitting 1, a second ductile cast iron pipe fitting 2 and a fastening clamp 5, wherein a connecting flange 3 is fixedly connected to one side wall, close to each other, of the first ductile cast iron pipe fitting 1 and the second ductile cast iron pipe fitting 2, the two connecting flanges 3 are detachably connected together by being provided with a fastening bolt 3.1 and a fastening nut 3.2, the two connecting flanges 3 can be fixed together and fastened by matching the fastening bolt 3.1 with the fastening nut 3.2, and a sealing ring 4 is arranged between the two connecting flanges 3.
Specifically, as shown in fig. 2 and fig. 3, a ductile cast iron pipe fitting with good sealing performance is provided, a sealing groove 3.3 is formed in a side wall, close to each other, of two connecting flanges 3, a sealing ring 3.4 is arranged between the two sealing grooves 3.3, and the sealing ring 3.4 provides primary sealing for the first ductile cast iron pipe fitting 1 and the second ductile cast iron pipe fitting 2.
Specifically, as shown in fig. 2, a ductile cast iron pipe fitting with good sealing performance is provided with sealing gaskets 4.1 between two side walls of a sealing ring 4 and two connecting flanges 3 respectively, the sealing gaskets 4.1 have deformation energy storage capacity, and deformation is generated after the sealing gaskets are extruded by the two connecting flanges 3, so that the sealing gaskets can be continuously attached to the connecting flanges 3.
Specifically, as shown in fig. 4, in the ductile cast iron pipe fitting with good sealing performance, through holes 4.2 through which threaded ends of the fastening bolts 3.1 can pass are formed in both the sealing gasket 4.1 and the sealing ring 4.
Specifically, as shown in fig. 1, a ductile cast iron pipe fitting that sealing performance is good, fastening clamp 5 cup joints on two flange 3, and fastening clamp 5 can further improve two flange 3's fastening effect, and two flange 3 receive the vertical fastening atress of fastening clamp 5 of the horizontal fastening atress cooperation of fastening bolt 3.1, improves fastening effect and sealed effect greatly.
Specifically, as shown in fig. 4, a ductile cast iron pipe fitting with good sealing performance is provided, the sealing ring 4 is made of rubber material, the rubber has elasticity, and the sealing gasket 4.1 is continuously pushed to be attached to two connecting flanges 3 after deformation is generated when the sealing ring is stressed.
When the utility model is embodied, when the first spherical ink pipe fitting 1 and the second spherical ink pipe fitting 2 are connected, the two sealing gaskets 4.1 are sleeved on the sealing ring 4, then the sealing ring 4 is sleeved on one connecting flange 3, then the sealing ring 3.4 is placed in the sealing grooves 3.3 of the two connecting flanges 3 and the two connecting flanges 3 are aligned, the two connecting flanges 3 are connected and fastened by utilizing the fastening bolts 3.1 and the fastening nuts 3.2, when the two connecting flanges 3 are fastened, the sealing ring 4 and the sealing gaskets 4.1 are extruded by the two connecting flanges 3, the sealing ring 4 and the sealing gaskets 4.1 are stressed to deform and store energy, the sealing performance is greatly improved, and then the two connecting flanges 3 are further fastened by utilizing the fastening clamp 5, so that the whole structure is more stable and firm.
The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides a nodular cast iron pipe fitting that sealing performance is good, includes first ball china ink pipe fitting (1), second ball china ink pipe fitting (2) and fastening clamp (5), its characterized in that: the connecting flange is characterized in that a connecting flange (3) is fixedly connected to one side wall, close to each other, of the first spherical ink pipe fitting (1) and the second spherical ink pipe fitting (2), the connecting flange (3) is detachably connected with the connecting flange (3) through a fastening bolt (3.1) and a fastening nut (3.2), and a sealing ring (4) is arranged between the connecting flange (3).
2. The ductile iron pipe fitting with good sealing performance according to claim 1, wherein: a sealing groove (3.3) is formed in one side wall, close to each other, of each connecting flange (3), and a sealing ring (3.4) is arranged between the two sealing grooves (3.3).
3. The ductile iron pipe fitting with good sealing performance according to claim 1, wherein: sealing gaskets (4.1) are respectively arranged between the two side walls of the sealing ring (4) and the two connecting flanges (3).
4. A ductile iron pipe fitting with good sealing properties according to claim 3, characterized in that: through holes (4.2) through which threaded ends of the fastening bolts (3.1) can pass are formed in the sealing gasket (4.1) and the sealing ring (4).
5. The ductile iron pipe fitting with good sealing performance according to claim 1, wherein: the fastening clamp (5) is sleeved on the two connecting flanges (3).
6. The ductile iron pipe fitting with good sealing performance according to claim 1, wherein: the sealing ring (4) is made of rubber materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321182268.2U CN220060932U (en) | 2023-05-17 | 2023-05-17 | Ductile cast iron pipe fitting with good sealing performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321182268.2U CN220060932U (en) | 2023-05-17 | 2023-05-17 | Ductile cast iron pipe fitting with good sealing performance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220060932U true CN220060932U (en) | 2023-11-21 |
Family
ID=88788487
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321182268.2U Active CN220060932U (en) | 2023-05-17 | 2023-05-17 | Ductile cast iron pipe fitting with good sealing performance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220060932U (en) |
-
2023
- 2023-05-17 CN CN202321182268.2U patent/CN220060932U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |