CN202371371U - Live-connection fitting and multi-way fitting - Google Patents
Live-connection fitting and multi-way fitting Download PDFInfo
- Publication number
- CN202371371U CN202371371U CN2012201993183U CN201220199318U CN202371371U CN 202371371 U CN202371371 U CN 202371371U CN 2012201993183 U CN2012201993183 U CN 2012201993183U CN 201220199318 U CN201220199318 U CN 201220199318U CN 202371371 U CN202371371 U CN 202371371U
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- Prior art keywords
- pipeline
- annular boss
- pipe fitting
- loose joint
- joint pipe
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Abstract
The utility model discloses a live-connection fitting and a multi-way fitting. The live-connection fitting comprises a hollow pipe body, an annular boss is arranged at one end of the pipe body, the outer diameter of the annular boss is larger than that of the pipe body, a hollow connection section is arranged on one end surface of the annular boss, and the end surface of the annular boss provided with the connection section matches with the outer wall of a pipeline to be connected. The multi-way fitting comprises the live-connection fitting and the pipeline. A plurality of connecting through holes matching with the diameter of the connection section are arranged on the pipeline wall, and the end surface of the annular boss closely attaches to the outer wall of the pipeline after the connection section is embedded in the connecting through holes. According to the live-connection fitting and the multi-way fitting, the end surface of the annular boss is designed to attach to the outer wall of the pipeline, therefore the hot melting area is increased, the probability leakage risk with many welding points is avoided, the construction difficulty is reduced, the installation is convenient, the pipeline integration is achieved, the pressure-resistant performance is increased, and the product quality is guaranteed; and the welding times are decreased for multi-way pipelines, and the production efficiency is improved.
Description
Technical field
The utility model relates to a kind of pipe fitting, particularly a kind of loose joint pipe fitting and many pipe fittings along separate routes.
Background technique
The plastic tube that present water engineering on the market adopts mainly is divided into PPR (polypropylene random copolymer), PVC (polymer of vinyl), PE (polyethylene) and PE-RT (the non-crosslinked line style medium density polyethylene tubing that ethene and octene copolymer modification form).
PVC is a kind of polymeric material of vinyl, and its material is a kind of amorphism material.The pvc pipe construction can not connect by hot melt, and jointing generally sticks with glue and connects, and the freeze proof and temperature capacity of pvc pipe is all bad, thus be difficult to as hot-water line, because its intensity can not be applicable to the bearing requirements of water pipe, so cold water pipe also seldom uses.Under most of situation, pvc pipe is applicable to wireway and blow-off line.
PE-RT is the non-crosslinked line style medium density polyethylene tubing that ethene and octene copolymer modification form, and also is refractory polyethylene.Be to use temperature to be no more than 80 ℃ thermoplastic pipe, the radiator heating that therefore is not suitable for long term high temperature hot water uses; The tubing bearing capacity can be lower under the higher state of temperature; PE-RT extrudes control and is not easy, and machining range is narrow, and quality control is difficult.Can carry out hot melt in the construction and connect, but the PE-RT flange is irregular, easy blocking; Welding temperature is also different, and PPR is 260 ℃, and PE-RT is 230 ℃, adopts the easy weldering excessively of PPR special welding machine on the market to cause leaking.In addition, because the easy oxidation of PE material must be adopted special tool to scrape off the scale on surface, otherwise can not form integral pipe truly before the welding, pipeline leaks easily, and therefore construction more shows trouble.
When the threeway of existing P PR pipe fitting connects, adopt the PPR threeway, tie point has three places; Need to adopt hot melt to connect three times, increased cost of material and construction cost, simultaneously; The hidden danger of leaking also increases greatly; Particularly complicated at pipeline, threeway connects under the more situation, and cost of material and difficulty of construction increase greatly.
Existing P PR loose joint joint, an end need adopt hot melting way to be connected with PPR tubing, have increased construction cost.
The model utility content
The technical problem that the utility model will solve is need pass through multiple welding and form in order to overcome the many pipe fittings along separate routes of existing technology, and sealability own is relatively poor, has the defective of disclosure risk, and a kind of loose joint pipe fitting and many pipe fittings along separate routes are provided.
The utility model solves above-mentioned technical problem through following technical proposals:
A kind of loose joint pipe fitting, its characteristics are that it comprises: the tubular body of a hollow, an end of this tubular body is provided with an annular boss, and an end face of this annular boss is provided with the linkage section of a hollow, and the external diameter of this annular boss is greater than the external diameter of this linkage section; It is adaptive that this annular boss is provided with the outer wall of end face and pipeline to be connected of this linkage section.
Wherein, this end face of this annular boss is a saddle type.
Wherein, this loose joint pipe fitting also comprises a clip; The other end of this tubular body be provided with one be used for ccontaining this clip locating slot.
Wherein, this locating slot is connected with a ring-type pressure-bearing mouth, and the cross section of this ring-type pressure-bearing mouth is a triangle.
Wherein, this loose joint pipe fitting also comprises a seal ring; The other end of this ring-type pressure-bearing mouth is connected with a seal ring draw-in groove, and the sealing circle is placed in the sealing circle draw-in groove.
Wherein, said pipeline and said loose joint pipe fitting all adopt polypropylene random copolymer to process.Said PPR is the end of the eighties, adopts gas-phase copolymerization technology to make 5% left and right sides PE evenly polymerization (random copolymerization) and become pipeline material of new generation randomly in the molecular chain of PP.Its intensity is high, has good shock resistance and long-term creep performance.Pipeline has excellent chemically-resistant article corrosivity simultaneously, is insoluble to any known solvent under the normal temperature.Can carry out hot melt in the construction and connect, welding technique is had relatively high expectations, and needs the professional person to operate.Homemade in addition PPR material property and imported raw material difference are huge, and performance is still to be tested.
The utility model also provides a kind of many pipe fittings along separate routes, and its characteristics are that it comprises at least one described loose joint pipe fitting; Should also comprise at least one pipeline by many pipe fittings along separate routes, the tube wall of this pipeline is provided with some and the adaptive connecting through hole of diameter this linkage section; After this linkage section inserted this connecting through hole, this end face of this annular boss and the outer wall of this pipeline were close to; Said loose joint pipe fitting and said pipeline are sweat soldering, and this end face of said annular boss is a face of weld.
In the utility model, but above-mentioned optimum condition combination in any on the basis that meets related domain general knowledge promptly gets each preferred embodiment of the utility model.
The positive progressive effect of the utility model is: the loose joint pipe fitting of the utility model and many pipe fittings along separate routes utilize the outer wall of annular boss and pipeline to fit tightly this design; Increased the hot melt area; Make fixing more solid and reliable; Avoided the many several forthright hidden danger of leaking of soldering point, reduced difficulty of construction, made that installation is convenient.Realize the integrated of pipeline simultaneously, improved its withstand voltage properties, guaranteed quality of product, especially for the pipeline of multi-path, significantly reduced welding times, improved manufacturing efficiency.
Description of drawings
Fig. 1 is the assembling schematic representation of the loose joint pipe fitting in the utility model one preferred embodiment.
Fig. 2 is the side view after the loose joint pipe fitting assembling among Fig. 1.
Fig. 3 is the assembling schematic representation of the many shunt pipe fitting in the utility model one preferred embodiment, is example with the threeway path only among the figure, what of shunt access as required, and the quantity of this loose joint pipe fitting can change.
Structural representation when Fig. 4 is applied on the condensate correcting-distribuing device for the many shunt pipe fitting in the utility model.
Embodiment
Provide the utility model preferred embodiment below in conjunction with accompanying drawing, to specify the technological scheme of the utility model.
Shown in Fig. 1 ~ 3; Loose joint pipe fitting in the present embodiment comprises the tubular body 1 of a hollow; The upper-end surface of this tubular body 1 is provided with an annular boss 2, and the upper-end surface 21 of this annular boss 2 is provided with the linkage section 3 of a hollow, the face of weld the when upper-end surface 21 of this annular boss 2 is welding.The external diameter of this annular boss 2 is greater than the external diameter of this linkage section 3.In order to cooperate the outer wall of most pipelines, this upper-end surface 21 is saddle type in the present embodiment.
Also be provided with in the lower end of tubular body 1 one be used for receive clip 7 locating slot 4.One nut 9 is set on tubular body 1, and 9 on nut passes through this clip 7 location, and nut 9 is used for connecting with the tubing that has screw interface 120.The below of this locating slot 4 is connected with a ring-type pressure-bearing mouth 5, the cross section triangularity of this ring-type pressure-bearing mouth 5, and this ring-type pressure-bearing mouth 5 is used for the hydraulic pressure of bearer channel.Below this ring-type pressure-bearing mouth 5, also be provided with a seal ring draw-in groove 6, seal ring 8 is located in the sealing circle draw-in groove 6, is used to guarantee the sealing of pipeline, reaches the excellent waterproof effect.
As shown in Figure 3 again; Many shunt pipe fitting in the present embodiment has comprised a pipeline 100; On pipeline 100, offer the connecting through hole 110 that is used to assemble this loose joint pipe fitting, the external diameter of the aperture of this connecting through hole 110 and linkage section 3 is adaptive, and less than the external diameter of annular boss 2.Above-mentioned pipeline and loose joint pipe fitting all adopt PPR tubing to process.Certainly, those skilled in the art also can adopt PVC, PE or PE-RT material to substitute.
As shown in Figure 3, the outer wall of this pipeline 100 is traditional circular arc, and it is just adaptive with this outer wall to be heterocoelous upper-end surface 21 on the loose joint pipe fitting.Because the external diameter of annular boss 2 is greater than the diameter of connecting through hole 110; Increased the hot melt area when pipeline 100 is connected with the loose joint pipe fitting, when hot melt connects, the outer wall tight connecting of heterocoelous upper-end surface 21 and pipeline 100; Face of weld is more firm, and water-proof performance is better.
As shown in Figure 4, in the time need telling a plurality of path on the pipeline 100 of condensate correcting-distribuing device, only need on pipeline 100, offer connecting through hole in advance; Then the loose joint pipe fitting being inserted in this connecting through hole seriatim, fits with the outer wall of pipeline 100 in the upper-end surface 21 of annular boss 2, connects through hot melting way then to get final product; Simplified the structure of existing condensate correcting-distribuing device; Shorten the length of condensate correcting-distribuing device, solved the many several forthright hidden danger of leaking of soldering point, improved manufacturing efficiency.
Though more than described the embodiment of the utility model, it will be understood by those of skill in the art that these only illustrate, the protection domain of the utility model is limited appended claims.Those skilled in the art can make numerous variations or modification to these mode of executions under the prerequisite of principle that does not deviate from the utility model and essence, but these changes and modification all fall into the protection domain of the utility model.
Claims (6)
1. loose joint pipe fitting is characterized in that it comprises: the tubular body of a hollow, and an end of this tubular body is provided with an annular boss, and an end face of this annular boss is provided with the linkage section of a hollow, and the external diameter of this annular boss is greater than the external diameter of this linkage section; It is adaptive that this annular boss is provided with the outer wall of end face and pipeline to be connected of this linkage section, and this loose joint pipe fitting also comprises a clip; The other end of this tubular body be provided with one be used for ccontaining this clip locating slot.
2. loose joint pipe fitting as claimed in claim 1 is characterized in that, this locating slot is connected with a ring-type pressure-bearing mouth.
3. loose joint pipe fitting as claimed in claim 2 is characterized in that, the cross section of this ring-type pressure-bearing mouth is a triangle or trapezoidal.
4. loose joint pipe fitting as claimed in claim 3 is characterized in that, this loose joint pipe fitting also comprises a seal ring; The other end of this ring-type pressure-bearing mouth is connected with a seal ring draw-in groove, and the sealing circle is placed in the sealing circle draw-in groove.
5. the pipe fitting of shunt more than a kind is characterized in that it comprises that at least one is like each described loose joint pipe fitting among the claim 1-4; Should also comprise at least one pipeline by many pipe fittings along separate routes, the tube wall of this pipeline is provided with some and the adaptive connecting through hole of diameter this linkage section; After this linkage section inserted this connecting through hole, this end face of this annular boss and the outer wall of this pipeline were close to; Said loose joint pipe fitting and said pipeline are sweat soldering, and this end face of said annular boss is a face of weld.
6. many pipe fittings along separate routes as claimed in claim 5, its characteristic is that said pipeline and said loose joint pipe fitting all adopt polypropylene random copolymer to process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201993183U CN202371371U (en) | 2012-05-03 | 2012-05-03 | Live-connection fitting and multi-way fitting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201993183U CN202371371U (en) | 2012-05-03 | 2012-05-03 | Live-connection fitting and multi-way fitting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202371371U true CN202371371U (en) | 2012-08-08 |
Family
ID=46595074
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201993183U Expired - Fee Related CN202371371U (en) | 2012-05-03 | 2012-05-03 | Live-connection fitting and multi-way fitting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202371371U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102829277A (en) * | 2012-08-10 | 2012-12-19 | 上海瑞屋节能科技有限公司 | Internally-threaded direct loose-joint pipe fitting and multi-branch pipe fitting |
| CN112555552A (en) * | 2020-12-09 | 2021-03-26 | 盐城清新环境技术有限公司 | Hot melt water knockout drum |
-
2012
- 2012-05-03 CN CN2012201993183U patent/CN202371371U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102829277A (en) * | 2012-08-10 | 2012-12-19 | 上海瑞屋节能科技有限公司 | Internally-threaded direct loose-joint pipe fitting and multi-branch pipe fitting |
| CN112555552A (en) * | 2020-12-09 | 2021-03-26 | 盐城清新环境技术有限公司 | Hot melt water knockout drum |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20171013 Address after: 224005 environmental protection industrial park, Ting Lake District, Jiangsu, Yancheng City, 28, five, 7, 2 Co-patentee after: Shanghai SVN Energy-Saving Technology Development Development Co., Ltd. Patentee after: Jiangsu Seffner Energy Technology Co. Ltd. Address before: 201705, No. 165, building 1, zone 5, building 2189, Ji He highway, Shanghai, Qingpu, Co-patentee before: Shanghai SVN Energy-Saving Technology Development Development Co., Ltd. Patentee before: Shanghai Tengou Energy-saving Technology Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120808 Termination date: 20190503 |