CN204692813U - A kind of inner liner stainless steel composite pipe fitting - Google Patents
A kind of inner liner stainless steel composite pipe fitting Download PDFInfo
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- CN204692813U CN204692813U CN201520365957.6U CN201520365957U CN204692813U CN 204692813 U CN204692813 U CN 204692813U CN 201520365957 U CN201520365957 U CN 201520365957U CN 204692813 U CN204692813 U CN 204692813U
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- stainless steel
- pipe fitting
- seal ring
- inner liner
- composite pipe
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Abstract
The utility model discloses a kind of inner liner stainless steel composite pipe fitting, comprise outer malleable cast iron pipe fitting, fixed body, stainless steel lining and seal ring, stainless steel lining is fixed on the inwall of outer malleable cast iron pipe fitting by fixed body, seal ring is arranged on the end of fixed body, and be positioned at the jointing of outer malleable cast iron pipe fitting, seal ring comprises seal ring body and cone boss, cone boss is arranged on the front end of seal ring body, seal ring body front end is reserved with the end face seal face for end face seal, and the plane of inclination of cone boss is the inner sealing surface for side seal.Inner liner stainless steel composite pipe fitting of the present utility model, by inner sealing surface and end face seal face, the dual fail-safe sealed when achieving pipe fitting and inner liner stainless steel fastener for connection, ensure that the fluid in pipe only contacts stainless steel lining and do not contact outer malleable cast iron pipe fitting, the sanitary index of guarantee water.Meanwhile, convenient installation, relies on the sense of responsibility of installation level and operator not too much, has a good application prospect.
Description
Technical field
The utility model relates to corrosion protection pipe fitting technical field, is specifically related to a kind of inner liner stainless steel composite pipe fitting.
Background technique
In order to improve the quality of drinking with water, prevent some the harmful elements caused due to the inwall of water long-term corrosion metal pipe element from entering and drink with water, be detrimental to health, inner liner stainless steel water delivery pipeline is widely used.At present, the sealing mechanism of the pipe fitting that pipeline connects is perfect not enough, when pipe fitting is connected with pipeline with pipe fitting or pipe fitting, being threaded in pipe fitting can not ensure top tight sealing circle completely, easily cause the end face of pipeline to corrode, occur corrosion, after pipe end corrosion, pollution is drunk with water, thus causes the sanitary condition of potable water defective.
Meanwhile, because the sealing mechanism of pipe fitting connection, when pipe fitting compact siro spinning technology is installed, the undue sense of responsibility relying on installation level and operator, installation quality is difficult to, control, during installation, waste time and energy, and sealing effect be not good.
Model utility content
The technical problem that the utility model solves is that existing pipe fitting is when being connected with pipeline with pipe fitting or pipe fitting, being threaded in pipe fitting can not ensure top tight sealing circle completely, the end face of pipeline is easily caused to corrode, thus cause the sanitary condition of potable water defective, during installation, waste time and energy, the problem that sealing effect is not good.
In order to achieve the above object, the technological scheme that the utility model adopts is:
A kind of inner liner stainless steel composite pipe fitting, it is characterized in that: comprise outer malleable cast iron pipe fitting, fixed body, stainless steel lining and seal ring, described stainless steel lining is fixed on the inwall of outer malleable cast iron pipe fitting by fixed body, described seal ring is arranged on the end of fixed body, and be positioned at the jointing of outer malleable cast iron pipe fitting, described seal ring comprises integrated seal ring body and cone boss, described cone boss is arranged on the front end of seal ring body, described seal ring body front end is reserved with the end face seal face for end face seal, the plane of inclination of described cone boss is the inner sealing surface for side seal.
Aforesaid a kind of inner liner stainless steel composite pipe fitting, is characterized in that: establish between the rearward end of described seal ring body and cone boss and form step ring, and the end of described stainless steel lining holds out against step ring and flushes with step ring.
Aforesaid a kind of inner liner stainless steel composite pipe fitting, is characterized in that: described inner sealing surface is that inclination is faced directly or the cambered surface that tilts.
Aforesaid a kind of inner liner stainless steel composite pipe fitting, is characterized in that: the angle of inclination of described inner sealing surface is between 10 °-45 °.
Aforesaid a kind of inner liner stainless steel composite pipe fitting, is characterized in that: the angle of inclination of described inner sealing surface is 30 °.
Aforesaid a kind of inner liner stainless steel composite pipe fitting, is characterized in that: described inner sealing surface is provided with sealing thread.
Aforesaid a kind of inner liner stainless steel composite pipe fitting, is characterized in that: described fixed body is food-grade PPR material.
Aforesaid a kind of inner liner stainless steel composite pipe fitting, is characterized in that: described stainless steel lining adopts Austenitic Stainless Steel or ferrite stainless steel material to make.
Aforesaid a kind of inner liner stainless steel composite pipe fitting, is characterized in that: described seal ring is food-grade rubber material.
The beneficial effects of the utility model are: inner liner stainless steel composite pipe fitting of the present utility model, by inner sealing surface and end face seal face, the dual fail-safe sealed when achieving pipe fitting and inner liner stainless steel fastener for connection, compensate for structural imperfection, ensure that the fluid in pipe only contacts stainless steel lining and do not contact outer malleable cast iron pipe fitting, the excellent performance of real performance stainless steel in fluid conveying, while prolongation pipe fitting working life, improve transfer efficiency, guarantee delivery safety, the sanitary index of guarantee water.Meanwhile, when installing and using, more easily reaching installation requirement, relying on the sense of responsibility of installation level and operator not too much, having a good application prospect.
Accompanying drawing explanation
Fig. 1 is the structural representation of inner liner stainless steel composite pipe fitting first embodiment of the present utility model.
Fig. 2 is the first schematic diagram of seal ring in the utility model first embodiment.
Fig. 3 is the second schematic diagram of seal ring in the utility model first embodiment.
Fig. 4 is the 3rd schematic diagram of seal ring in the utility model first embodiment.
Fig. 5 is the 4th schematic diagram of seal ring in the utility model first embodiment.
Fig. 6 is the structural representation of inner liner stainless steel composite pipe fitting second embodiment of the present utility model.
Fig. 7 is the first schematic diagram of seal ring in the utility model second embodiment.
Fig. 8 is the second schematic diagram of seal ring in the utility model second embodiment.
Fig. 9 is the 3rd schematic diagram of seal ring in the utility model the 3rd embodiment.
Figure 10 is the 4th schematic diagram of seal ring in the utility model the 4th embodiment.
The implication marked in accompanying drawing is as follows:
1: outer malleable cast iron pipe fitting; 2: fixed body; 3: stainless steel lining; 4: seal ring; 401: seal ring body; 402: cone boss; 403: step ring; 41: end face seal face; 42: inner sealing surface; 43: sealing thread.
Embodiment
Below in conjunction with Figure of description, the utility model is further described.
Inner liner stainless steel composite pipe fitting of the present utility model, by inner sealing surface and end face seal face, the dual fail-safe sealed when achieving pipe fitting and inner liner stainless steel fastener for connection, compensate for structural imperfection, ensure that the fluid in pipe only contacts stainless steel lining and do not contact outer malleable cast iron pipe fitting, the excellent performance of real performance stainless steel in fluid conveying, while prolongation pipe fitting working life, improve transfer efficiency, guarantee delivery safety, the sanitary index of guarantee water
As shown in Figure 1, inner liner stainless steel composite pipe fitting first embodiment of the present utility model, comprise outer malleable cast iron pipe fitting 1, fixed body 2, stainless steel lining 3 and seal ring 4, stainless steel lining 3 is fixed on the inwall of outer malleable cast iron pipe fitting 1 by fixed body 2, described seal ring 4 is arranged on the end of fixed body 2, and be positioned at the jointing (namely each jointing of outer malleable cast iron pipe fitting 1 has a seal ring) of outer malleable cast iron pipe fitting 1, seal ring 4 comprises integrated seal ring body 401 and cone boss 402, cone boss 402 is arranged on the front end of seal ring body 401, seal ring body 401 front end is reserved with the end face seal face 41 for end face seal, the plane of inclination of cone boss 402 is the inner sealing surface 42 for side seal, inner sealing surface 42 and end face seal face 41 serve inside and outside both sides when pipe fitting of the present utility model is connected with pipeline and carry out the effect sealed simultaneously, improve sealing effect, prevent the fluid in pipe from only contacting stainless steel lining and not contacting outer malleable cast iron pipe fitting.As shown in Figure 2, inner sealing surface 42 is faced directly for inclination, and the angle of inclination of inner sealing surface is between 10 °-45 °, and preferably 30 °, as shown in Figure 3, inner sealing surface 42 is provided with sealing thread 43, improves the effect that sealing is fixing.As shown in Figure 4, inner sealing surface 42 is inclination cambered surface, and the angle of inclination of inner sealing surface is between 10 °-45 °, and preferably 30 °, as shown in Figure 5, inner sealing surface 42 is provided with sealing thread 43, improves the effect that sealing is fixing.
As shown in Figure 6, inner liner stainless steel composite pipe fitting second embodiment of the present utility model, comprise outer malleable cast iron pipe fitting 1, fixed body 2, stainless steel lining 3 and seal ring 4, described stainless steel lining 3 is fixed on the inwall of outer malleable cast iron pipe fitting 1 by fixed body 2, seal ring 4 is two pieces, be separately positioned on two ends of fixed body 2, each seal ring 4 comprises seal ring body 401 and cone boss 402, cone boss 402 is arranged on the front end of seal ring body 401, seal ring body 401 front end is reserved with the end face seal face 41 for end face seal, the plane of inclination of cone boss 402 is the inner sealing surface 42 for side seal, inner sealing surface 42 and end face seal face 41 serve inside and outside both sides when pipe fitting of the present utility model is connected with pipeline and carry out the effect sealed simultaneously, improve sealing effect, prevent the fluid in pipe from only contacting stainless steel lining and not contacting outer malleable cast iron pipe fitting.As shown in Fig. 7-Figure 10, establish between the rearward end of described seal ring body 401 and cone boss 402 and form step ring 403, the end of stainless steel lining 3 holds out against step ring 403, and flushes with step ring 403, the consumption of stainless steel lining 3 material can be saved, save cost.As shown in Figure 7, inner sealing surface 42 is faced directly for inclination, and the angle of inclination of inner sealing surface is between 10 °-45 °, and preferably 30 °, as shown in Figure 8, inner sealing surface 42 is provided with sealing thread 43, improves the effect that sealing is fixing; As shown in Figure 9, inner sealing surface 42 is inclination cambered surface, and the angle of inclination of inner sealing surface is between 10 °-45 °, and preferably 30 °, as shown in Figure 10, inner sealing surface 42 is provided with sealing thread 43, improves the effect that sealing is fixing.
In inner liner stainless steel composite pipe fitting first embodiment of the present utility model and the second embodiment, fixed body 2 is food-grade PPR material, stainless steel lining 3 adopts Austenitic Stainless Steel or ferrite stainless steel material to make, further stainless steel lining 3 adopts 0Cr18Ni9 stainless steel material to make, seal ring 4 is food-grade rubber material, above-mentioned material all adopts food grade materials, the sanitary index of guarantee water.
In sum, inner liner stainless steel composite pipe fitting of the present utility model, by inner sealing surface and end face seal face, the dual fail-safe sealed when achieving pipe fitting and inner liner stainless steel fastener for connection, compensate for structural imperfection, ensure that the fluid in pipe only contacts stainless steel lining and do not contact outer malleable cast iron pipe fitting, the excellent performance of real performance stainless steel in fluid conveying, while prolongation pipe fitting working life, improves transfer efficiency, guarantee delivery safety, the sanitary index of guarantee water.Meanwhile, when installing and using, more easily reaching installation requirement, relying on the sense of responsibility of installation level and operator not too much, having a good application prospect.
More than show and describe basic principle of the present utility model and major character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; what describe in above-described embodiment and specification just illustrates principle of the present utility model; under the prerequisite not departing from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (9)
1. an inner liner stainless steel composite pipe fitting, it is characterized in that: comprise outer malleable cast iron pipe fitting (1), fixed body (2), stainless steel lining (3) and seal ring (4), described stainless steel lining (3) is fixed on the inwall of outer malleable cast iron pipe fitting (1) by fixed body (2), described seal ring (4) is arranged on the end of fixed body (2), and be positioned at the jointing of outer malleable cast iron pipe fitting (1), described seal ring (4) comprises integrated seal ring body (401) and cone boss (402), described cone boss (402) is arranged on the front end of seal ring body (401), described seal ring body (401) front end is reserved with the end face seal face (41) for end face seal, the plane of inclination of described cone boss (402) is the inner sealing surface (42) for side seal.
2. a kind of inner liner stainless steel composite pipe fitting according to claim 1, it is characterized in that: establish between the rearward end of described seal ring body (401) and cone boss (402) and form step ring (403), the end of described stainless steel lining (3) holds out against step ring (403), and flushes with step ring (403).
3. a kind of inner liner stainless steel composite pipe fitting according to claim 1, is characterized in that: described inner sealing surface (42) is faced directly for inclination or the cambered surface that tilts.
4. a kind of inner liner stainless steel composite pipe fitting according to claim 3, is characterized in that: the angle of inclination of described inner sealing surface is between 10 °-45 °.
5. a kind of inner liner stainless steel composite pipe fitting according to claim 4, is characterized in that: the angle of inclination of described inner sealing surface (42) is 30 °.
6. a kind of inner liner stainless steel composite pipe fitting according to claim 1, is characterized in that: described inner sealing surface (42) is provided with sealing thread (43).
7. according to a kind of inner liner stainless steel composite pipe fitting described in claim 1, it is characterized in that: described fixed body (2) is food-grade PPR material.
8. according to a kind of inner liner stainless steel composite pipe fitting described in claim 1, it is characterized in that: described stainless steel lining (3) adopts Austenitic Stainless Steel or ferrite stainless steel material to make.
9. a kind of inner liner stainless steel composite pipe fitting according to claim 1, is characterized in that: described seal ring (4) is food-grade rubber material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520365957.6U CN204692813U (en) | 2015-05-29 | 2015-05-29 | A kind of inner liner stainless steel composite pipe fitting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520365957.6U CN204692813U (en) | 2015-05-29 | 2015-05-29 | A kind of inner liner stainless steel composite pipe fitting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204692813U true CN204692813U (en) | 2015-10-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520365957.6U Active CN204692813U (en) | 2015-05-29 | 2015-05-29 | A kind of inner liner stainless steel composite pipe fitting |
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| Country | Link |
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| CN (1) | CN204692813U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104864200A (en) * | 2015-05-29 | 2015-08-26 | 江苏众信绿色管业科技有限公司 | Liner stainless steel composite pipe fitting |
| WO2018171007A1 (en) * | 2017-03-22 | 2018-09-27 | 南通盛立德金属材料科技有限公司 | Austenitic acid-resistant stainless steel pipe |
| CN108843875A (en) * | 2018-07-19 | 2018-11-20 | 广东联塑科技实业有限公司 | A kind of high bond strength plastic-lined composite pipe fitting and process |
-
2015
- 2015-05-29 CN CN201520365957.6U patent/CN204692813U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104864200A (en) * | 2015-05-29 | 2015-08-26 | 江苏众信绿色管业科技有限公司 | Liner stainless steel composite pipe fitting |
| CN104864200B (en) * | 2015-05-29 | 2018-05-01 | 江苏众信绿色管业科技有限公司 | A kind of inner liner stainless steel composite pipe |
| WO2018171007A1 (en) * | 2017-03-22 | 2018-09-27 | 南通盛立德金属材料科技有限公司 | Austenitic acid-resistant stainless steel pipe |
| CN108843875A (en) * | 2018-07-19 | 2018-11-20 | 广东联塑科技实业有限公司 | A kind of high bond strength plastic-lined composite pipe fitting and process |
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