CN201050649Y - Metal pipe flat edge connection piping - Google Patents
Metal pipe flat edge connection piping Download PDFInfo
- Publication number
- CN201050649Y CN201050649Y CNU2007201535305U CN200720153530U CN201050649Y CN 201050649 Y CN201050649 Y CN 201050649Y CN U2007201535305 U CNU2007201535305 U CN U2007201535305U CN 200720153530 U CN200720153530 U CN 200720153530U CN 201050649 Y CN201050649 Y CN 201050649Y
- Authority
- CN
- China
- Prior art keywords
- pipe joint
- pipe
- outer rim
- nut
- flat mouthful
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000002184 metal Substances 0.000 title claims abstract description 13
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 13
- 238000001125 extrusion Methods 0.000 claims description 4
- 238000012856 packing Methods 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 238000007789 sealing Methods 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000007613 environmental effect Effects 0.000 abstract 1
- 238000005096 rolling process Methods 0.000 abstract 1
- 239000012530 fluid Substances 0.000 description 5
- 238000003466 welding Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 150000001879 copper Chemical class 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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- Joints With Pressure Members (AREA)
Abstract
The utility model discloses a metal pipe flat-edge connecting piece, which comprises a pipe body, a pipe joint, and corresponding nuts and top sleeves which are mutually screwed and connected, the end mouths of the pipe body and the pipe joint are all turned out to have parallel outer flanges directly by rolling and stretching, the nuts and the top sleeves are respectively sleeved and fastened at the backs of the parallel outer flanges of the pipe joint and the pipe body, a sealing washer is arranged between the parallel outer flanges of the pipe body and the pipe joint, the top sleeves are screwed in the nuts and fastened, the parallel outer flanges of the pipe body and the pipe joint inwardly fasten the sealing washer to form seal connection. The design of the utility model provides a connection way which is different from a convex ring pipe, and has the advantages that the connection strength of the pipe end is good, the assembly and the disassembly are convenient, and the tightness is good, etc., in particular, the gap at the connection position of the pipe pieces is small, the remainder is not easy to be gathered. The utility model is particularly suitable for the conveying connection of the medical treatment and the food production, etc. which have high requirements on the hygiene conditions and use higher environmental temperatures.
Description
Technical field
The utility model relates to fluid line and carries the field that connects, and particularly can be used for the FLUID TRANSPORTATION connection pipe fitting that the temperature height is higher, pressure is bigger,
Background technique
Traditional metallic conduit Placement, be connected firmly for reaching, non-leakage purpose, the body outside seal connection ways that adopt more, promptly open worm tooth at the pipe end external diameter, because the hinge worm tooth has certain degree of depth requirement, the wall thickness of producing tubing just need cause the whole wall thickness of tubing to be much higher than the size that real fluid pressure sets for adding the pre-made allowance of worm tooth, when adopting traditional mouth of pipe butt welding mode, there is residue to ensconce in the body in the welding process, influence FLUID TRANSPORTATION, and technical requirements height when welding, non-disconnectable during the check pipeline, unreasonable just because of last linkage structure caused tubing, the metallic material of pipe fitting is wasted in a large number, and cost of production is higher.At present, more popular mode is a pipe end diffusion moulding bulge loop, neither damages body, can save metallic material in a large number again, in the extensive use of normal domestic field.But because there is the seam of certain-length in the bulge loop tube and tube spare place of being tightly connected, gathers residue easily, and can't adapt to hot environment, therefore still can't use in the field of hygienic requirements strictnesses such as medical treatment, food production.
The model utility content
The purpose of this utility model is to overcome the deficiency that conventional art is tightly connected, propose a kind of whole wall thickness of pipe fitting that reduces, be difficult for long-pending dirt, the good seal performance of hiding, can bear than elevated operating temperature and pressure, be easy to connect the flat limit of a kind of metal tube connection pipe fitting of construction again.
The purpose of this utility model is achieved by the following technical solution: the flat limit of a kind of metal tube connection pipe fitting, include body, pipe joint, the correspondence nut and the top cover of screw threads for fastening connection mutually, the port of body and pipe joint all directly stretches to turn up by roll extrusion flat mouthful outer rim, nut overlaps the flat mouthful of outer rim behind that is buckled in pipe joint and body respectively with the top cover, be provided with seal washer between the flat mouthful of outer rim of body and pipe joint, top cover screws in nut and tightens up, and flat mouthful of outer rim of body and pipe joint is stressed and clamps seal washer formation in opposite directions and be tightly connected.Further, for convenient butt joint, location, adapt to different installation environments, nut can be welded on the port of pipe joint, and the nut inner bottom surface is close to flat mouthful of outer rim of pipe joint.Or nut and pipe joint be by the one-body molded pipe joint for the band internal thread interface of metal, and the internal thread bottom surface of pipe joint is a shoulder hole that just in time can hold the flat mouthful outer rim of seal washer and body.Gather, hide dirt for what prevent the body inner fluid, the internal diameter of seal washer is consistent with the internal diameter of the internal diameter of body, pipe joint.Be to realize hard sealing or soft seal under the different condition, seal washer can adopt soft metal packing ring or rubber washer, plastic washer.Be the intensity of assurance connection and the reliability of sealing, the width that turns up of outer down tilt mouth outer rim is 1.5-10mm.
Such structure has tangible advantage:
1, body need not carry out damaging processing, carries out port before need only connecting and translates into a flat mouthful of outer rim and get final product, guarantees the body thin-walled, the saving material;
2, the gap, joint of body and pipe joint is little, and transitions smooth is difficult for contamination, hides dirt, meets and carries the hygienic requirements that connects in medical treatment, the food production;
When 3, adopting the soft metal washer sealing to connect, pipe fitting can keep excellent sealing at the high temperature of working environment more than 300 ℃;
4, constructing operation is simple, and labor intensity is low, installs and removes very convenient.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is embodiment two a structural representation.
Embodiment
Referring to Fig. 1, the connection pipe fitting of present embodiment one is mainly by the pipe joint 1 that all is stainless steel, body 2, have internal thread nut 3, have externally threaded top cover 4 and red copper seal washer 5 constitutes, pipe joint 1 is 90 ° a bend pipe, its port directly forms flat mouthful outer rim 11 by shaping jig by roll extrusion stretch flanging, the shoulder hole 31 corresponding with flat mouthful of outer rim 11 arranged on the nut 3, and nut 3 is placed in the behind of 1 flat mouthful of outer rim of pipe joint 11; The port of body 2 directly forms flat mouthful outer rim 21 by shaping jig by roll extrusion stretch flanging, 4 behinds that are placed in 2 flat mouthfuls of outer rims of body 21 of cover, top.Top cover 4 and nut 3 mutual screw threads spin fastening.
When body 2 is connected assembly with pipe joint 1, flat mouthful of outer rim 11 retaining rings of pipe joint 1 are in the shoulder hole 31 of nut 3, put into the internal diameter red copper seal washer 5 consistent earlier with pipe joint 1 internal diameter, make seal washer 5 be affixed on flat mouthful of outer rim 11 surfaces, top cover 4 revolves together with flat mouthful of outer rim 21 of body 2 and inserts in the nut 3, at this moment, flat mouthful of outer rim 21 of top cover 4 pushing bodys 2, compress seal washer 5, the shoulder hole 31 of nut 3 also pushes flat mouthful of outer rim 11 of pipe joint 1 simultaneously, also oppositely compress gasket circle 5, thus two flat mouthfuls of outer rims 11,21 clamp seal washer 5 in opposite directions, form firm being tightly connected.
Certainly, seal washer 5 is realized being tightly connected firmly between the pipe fitting except adopting red copper class soft metal packing ring; Also can adopt rubber, plastic seal ring, realize that the soft seal between the pipe fitting connects; Also can be used in combination metal simultaneously is connected with nonmetal two kinds of washer sealings.The width that turns up of flat mouthful of outer rim 11,21 of body 2 and pipe joint 1 port according to the size of pipe fitting bore, is advisable at 1.5-10mm.
Embodiment two
As shown in Figure 2, nut and pipe joint can be by the one-body molded pipe joints 6 for the band internal thread interface of stainless steel material, the internal thread bottom surface of pipe joint 6 is the shoulder holes 61 that just in time can hold the flat mouthful outer rim 21 of seal washer 5 and body, it is identical with embodiment one to be tightly connected, just save the port flange operation of pipe joint, outer cause shoulder hole 61 end faces of the outer down tilt mouth of pipe joint substitute.In addition, pipe joint is except that above-mentioned 90 ° of bend pipes, and pipe fittings such as also available common straight energy pipe, three-way pipe, four-way pipe, bend reducer are replaced.
Certainly, only enumerated two kinds of preferred implementation here, the protection category that other is equal to, structure roughly the same all should belong to this patent repeats no more here.
Claims (6)
1. the flat limit of metal tube connection pipe fitting, include body, pipe joint, the correspondence nut and the top cover of screw threads for fastening connection mutually, it is characterized in that: the port of body and pipe joint all directly stretches to turn up by roll extrusion flat mouthful outer rim, nut overlaps the flat mouthful of outer rim behind that is buckled in pipe joint and body respectively with the top cover, be provided with seal washer between the flat mouthful of outer rim of body and pipe joint, top cover screws in nut and tightens up, and flat mouthful of outer rim of body and pipe joint is stressed and clamps seal washer formation in opposite directions and be tightly connected.
2. connection pipe fitting according to claim 1 is characterized in that nut can be welded on the port of pipe joint, and the nut inner bottom surface is close to flat mouthful of outer rim of pipe joint.
3. connection pipe fitting according to claim 2 is characterized in that nut and pipe joint by the one-body molded pipe joint for the band internal thread interface of metal, and the internal thread bottom surface of pipe joint is a shoulder hole that just in time can hold the flat mouthful outer rim of seal washer and body.
4. according to claim 1 or 2 or 3 described connection pipe fittings, it is characterized in that the internal diameter of internal diameter, pipe joint of the internal diameter of seal washer and body is consistent.
5. according to claim 1 or 2 or 3 described connection pipe fittings, it is characterized in that seal washer can adopt soft metal packing ring or rubber washer, plastic washer.
6. according to claim 1 or 2 or 3 described connection pipe fittings, it is characterized in that the width that turns up of outer down tilt mouth outer rim is 1.5-10mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201535305U CN201050649Y (en) | 2007-06-11 | 2007-06-11 | Metal pipe flat edge connection piping |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201535305U CN201050649Y (en) | 2007-06-11 | 2007-06-11 | Metal pipe flat edge connection piping |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201050649Y true CN201050649Y (en) | 2008-04-23 |
Family
ID=39337136
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201535305U Expired - Fee Related CN201050649Y (en) | 2007-06-11 | 2007-06-11 | Metal pipe flat edge connection piping |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201050649Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102913698A (en) * | 2011-08-05 | 2013-02-06 | 泽特科私人有限公司 | Plumbing Adaptor Fitting |
| CN104121435A (en) * | 2013-04-24 | 2014-10-29 | 哈尔滨飞机工业集团有限责任公司 | Oil outlet seal joint mouth |
| CN108422153A (en) * | 2018-01-29 | 2018-08-21 | 武汉纳百川电池热管理有限公司 | A kind of manufacturing process of T-type pipe |
| CN108709025A (en) * | 2018-07-19 | 2018-10-26 | 华霆（合肥）动力技术有限公司 | Pipeline jointing construction, liquid cooling pipeline and supply unit |
| CN112033807A (en) * | 2020-09-03 | 2020-12-04 | 贵州大学 | Device for assisting in applying non-uniform pore pressure field in rock test piece and test method |
-
2007
- 2007-06-11 CN CNU2007201535305U patent/CN201050649Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102913698A (en) * | 2011-08-05 | 2013-02-06 | 泽特科私人有限公司 | Plumbing Adaptor Fitting |
| CN104121435A (en) * | 2013-04-24 | 2014-10-29 | 哈尔滨飞机工业集团有限责任公司 | Oil outlet seal joint mouth |
| CN108422153A (en) * | 2018-01-29 | 2018-08-21 | 武汉纳百川电池热管理有限公司 | A kind of manufacturing process of T-type pipe |
| CN108709025A (en) * | 2018-07-19 | 2018-10-26 | 华霆（合肥）动力技术有限公司 | Pipeline jointing construction, liquid cooling pipeline and supply unit |
| CN112033807A (en) * | 2020-09-03 | 2020-12-04 | 贵州大学 | Device for assisting in applying non-uniform pore pressure field in rock test piece and test method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: FUSHAN TUQI PIPE INDUSTRY CO., LTD. Free format text: FORMER OWNER: PANG SHUNYUAN Effective date: 20090605 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20090605 Address after: Longshine Nanhai Luocun Industrial Park Road East seventeen street and Guangdong road Foshan City, No. 1, zip code: 528226 Patentee after: Foshan protruding Pipe Industry Co., Ltd. Address before: No. 2, 11 North Road, Shunde Biguiyuan, Shunde District, Guangdong City, Foshan Province, 528311 Co-patentee before: Pang Mingde Patentee before: Pen Shun source |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080423 Termination date: 20160611 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |