CN2446364Y - Connecting structure for steel/plastic compound tube cutting sleeve throw-out collar and lip-side sealing tubing - Google Patents
Connecting structure for steel/plastic compound tube cutting sleeve throw-out collar and lip-side sealing tubing Download PDFInfo
- Publication number
- CN2446364Y CN2446364Y CN 00223802 CN00223802U CN2446364Y CN 2446364 Y CN2446364 Y CN 2446364Y CN 00223802 CN00223802 CN 00223802 CN 00223802 U CN00223802 U CN 00223802U CN 2446364 Y CN2446364 Y CN 2446364Y
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- China
- Prior art keywords
- pipe
- composite pipe
- pipe fitting
- throw
- steel
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- Expired - Fee Related
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- 238000007789 sealing Methods 0.000 title claims abstract description 12
- 238000005520 cutting process Methods 0.000 title claims description 9
- 229910000831 Steel Inorganic materials 0.000 title description 8
- 239000010959 steel Substances 0.000 title description 8
- 150000001875 compounds Chemical class 0.000 title 1
- 239000002131 composite material Substances 0.000 claims abstract description 52
- 210000004907 gland Anatomy 0.000 claims description 3
- 230000000712 assembly Effects 0.000 claims description 2
- 238000000429 assembly Methods 0.000 claims description 2
- 238000003825 pressing Methods 0.000 abstract description 5
- 238000009434 installation Methods 0.000 abstract description 3
- 239000000463 material Substances 0.000 abstract description 2
- 239000004566 building material Substances 0.000 abstract 1
- 238000010276 construction Methods 0.000 abstract 1
- 230000002349 favourable effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 4
- 230000004888 barrier function Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 241001633942 Dais Species 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 210000002310 elbow joint Anatomy 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
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- Flanged Joints, Insulating Joints, And Other Joints (AREA)
Abstract
The utility model relates to a steel-plastic composite pipe. The steel-plastic composite pipe is a novel building material which conforms to the prescription of a construction ministry of the China. The steel-plastic composite pipe has no pollution, material saving, durability, and low price. Due to the wall of a pipe is thin, the pipe can not be welded and connected with a pipe network and a pipe fitting, and the structure is designed aiming at the problem. The steel-plastic composite pipe is composed of a pipe fitting body (a direct joint, a bent joint, and a three-way joint), a sealing ring, a push ring, an opening clamping ring, a composite pipe, and a pressing nut. The composite pipe is sheathed in the pipe fitting body through the push ring, the opening clamping ring, and the sealing ring with a lip edge on one end part, and is tightly screwed and fixed by the pressing nut. The steel-plastic composite pipe is basically characterized in that the opening clamping ring, the push ring, and a sealing ring component with a lip edge are arranged in the structure, and the tightening and the favorable sealing of a connecting structure are realized through that the rotary pressing and matching of the structure and an outer nut. The utility model has simple structure, convenient installation, reliable performance, and durability.
Description
The utility model relates to a kind of pipe fitting joint connecting structure, particularly a kind of steel-plastic composite pipe joint connecting structure.
Along with scientific and technological progress, people are to the raising of domestic water quality high request, and nation-building portion expressly provides, all newly-built, enlarging domestic water engineerings, the supporting pipe fitting that all must not adopt galvanized welded steel pipe and continue to use.For this reason, various novel tubes and supporting pipe fitting arise at the historic moment.Aluminium-plastic composite pipe, pure plastic pipe and connection pipe fitting thereof are the sell goods that occur in the market.This tubing is because self intensity is low, is difficult to use under heavy caliber and is restricted.Recently our company develops a kind of high tensile steel plastic composite, and its usability surpasses various tubing on sale in the market, have pollution-free, economize material, durable, outstanding advantage such as price is low.But,, produced the technical barrier that can not use welding connection pipe network, pipe fitting to connect because the tubing wall is thin.
The purpose of this utility model is: can not use welding to connect pipe network at the Steel Thin-Wall plastic composite, the technical barrier that pipe fitting connects has designed the pipe fitting connecting structure of a kind of simple in structure, easy for installation, reliable performance, long-lived steel-plastic composite pipe cutting ferrule throw-out collar and lip limit sealed type.
The purpose of this utility model realizes by implementing following technical proposals: steel-plastic composite pipe (hereinafter to be referred as composite pipe) cutting ferrule throw-out collar and lip limit sealed type pipe fitting connecting structure are made of pipe fitting (as straight joint, elbow, tee union), lip limit seal ring, throw-out collar, slotted collar, composite pipe and pressing nut component.Be shaped on the spill loop wire on the anterior outer wall of composite pipe joining end, inwall is shaped on the slotted collar of convex loop wire, be sleeved on the anterior outer wall of the composite pipe with spill loop wire, with the contacted end face of slotted collar be before the throw-out collar of taper is sleeved on the open-ended snap ring of composite pipe position, closely contact with snap ring by its conical working surface, lip limit seal ring set is contained in throw-out collar and composite pipe is formed is unified in the end of body, the other end is sleeved in the cavity of pipe fitting with being unified into end of body, by gland nut connecting structure is fixed.Essential characteristic of the present utility model is: in the pipe fitting connecting structure, except pipe fitting, composite pipe and pressing nut component are arranged, also include the slotted collar that is sleeved on the anterior outer wall of composite pipe, be sleeved on before the open-ended snap ring of the composite pipe position and be sleeved on throw-out collar in the pipe fitting inner chamber, and be encapsulated in pipe fitting inner chamber and throw-out collar composite pipe and be unified into lip limit seal ring between the body end face with the anterior formed body that is unified into of composite pipe.Additional technical feature is: the slotted collar inwall is shaped on the convex loop wire, is interlocked with the spill loop wire that is shaped on the outer wall of composite pipe end; The contacted end face of throw-out collar and slotted collar is the conical surface with taper; Being encapsulated in pipe fitting inner chamber and throw-out collar composite pipe and being unified into lip limit seal ring between the body end face, is a kind of seal ring that can see end plane sealing and the band interference tapering shape of inner surface of tube self-tightening sealing in fact.
Advantage of the present utility model is: the pipe fitting connecting structure only is made of 5 kinds of assemblies, and it is simple in structure, easy for installation, reliable performance, durable in use.In this external structure except that seal ring, other assembly is all reusable, improved the product utilization rate, overcome aluminium-plastic composite pipe on the market, pure mould the pipe and connection pipe fitting in installing and using process, because of taking place, misoperation make the tubing end of cut lengths damage the disallowable loss that causes, also overcome aluminium-plastic composite pipe, the pure pipe of moulding because of tubing self intensity is low, be not suitable for the application limitation that heavy caliber pipe fitting connecting structure is brought.This structure only need be adjusted the size dimension of bore direction for heavy caliber pipe, and that longitudinal size changes is little.Because having solved the Steel Thin-Wall plastic composite can not weld and be difficult to adopt the technological difficulties of scyewed joint, thereby greatly reduces the manufacture cost of steel-plastic composite pipe, has greatly widened application area.
The utility model has following accompanying drawing:
Fig. 1 is a pipe fitting connection diagram under the straight joint situation for pipe fitting
Fig. 2 is a pipe fitting connection diagram under the elbow situation for pipe fitting
Fig. 3 is a pipe fitting connection diagram under the tee union situation for pipe fitting
Fig. 4 is slotted collar and steel-plastic composite pipe constitutional diagram
Fig. 5 is the slotted collar structural drawing, and a left side is a side view, and the right side is a front view
Fig. 6 is the lip limit seal ring longitudinal cutting structural drawing of band interference tapering shape
Mark among the figure: 1 moulds multiple pipe for steel, and 2 is slotted collar, and 3 is throw-out collar, and 4 is gland nut, and 5 is lip limit seal ring, and 6 is straight joint, and 7 is elbow, and 8 is tee union, and 9 is the convex loop wire on the slotted collar inwall, and 10 is the spill loop wire on the steel-plastic composite pipe outer wall.
The utility model is further specified as follows below in conjunction with accompanying drawing embodiment:
Fig. 1, Fig. 2, Fig. 3 are the utility model pipe fitting connecting structure, and wherein mark 6,7,8 is pipe fitting, and 1 of pipe fitting and composite pipe are equipped with throw-out collar 3, snap ring 2 and lip limit seal ring 5, by screwing nut 4 it are connected and fixed.The theory of constitution of its connecting structure is: in precession nut 4 and pipe fitting connection process, the slotted collar 2 of inner wall belt convex loop wire is together with throw-out collar 3 screwing with nut 4, advance to the pipe fitting inner chamber, when throw-out collar 3 bottoms with after limit dais terrace in the pipe fitting inner chamber contacts, continue to screw nut 4, slotted collar 2 is subjected to the positive action of nut 4 bottoms and the throw-out collar 3 end taper conical surfaces that contact with it, force slotted collar 2 to shrink in diametric(al), the spill loop wire that its inwall convex loop wire and steel are moulded tube outer surface fastens mutually, reaches the purpose of pipe fitting and steel-plastic composite pipe positive connection.The annular wire that convex-concave fastens can be together, also can be multiple tracks, looks concrete caliber size and sealing load, calculates by intensity and determines.Mould the lip limit seal ring of the band interference tapering shape on the pipe and be sleeved on throw-out collar 3 in advance with steel, send in the pipe fitting with the throw-out collar steel-plastic composite pipe, because the axial cross section thickness of seal ring is suitably greater than the degree of depth in the pipe fitting body cavity, under the thrust of throw-out collar, realized the end face plane sealing of seal ring, and in pipe under the pressure medium effect, the flexible lips of seal ring is close to the smooth inner wall of steel-plastic composite pipe automatically, overcome " O " type seal ring structure to the not harsh requirement of garden degree of inner surface of tube, realized the self-tightening sealing of inwall, so just reached the purpose that medium does not contact with outer composite pipe in the pipe, medium is pollution-free in guaranteeing to manage.
Claims (4)
1, a kind of steel-plastic composite pipe (hereinafter to be referred as composite pipe) cutting ferrule throw-out collar and lip limit sealed type pipe fitting connecting structure, by composite pipe (1), be sleeved on the pipe fitting outside composite pipe (1) end and be contained in pipe fitting and the gland nut assemblies such as (4) of pipe fitting outside, composite pipe connection place constitutes, it is characterized in that also including: be sleeved on the slotted collar (2) on the anterior outer wall of composite pipe (1); Before being sleeved on the open-ended snap ring of composite pipe (1) (2) position, and with composite pipe anterior form be unified into body, cover is inserted in throw-out collar (3) in the pipe fitting inner chamber, and is encapsulated in the pipe fitting inner chamber and joins the lip limit seal ring (5) that subtracts between the body end face with the throw-out collar composite pipe.
2, according to claim 1 described composite pipe cutting ferrule throw-out collar and lip limit sealed type pipe fitting connecting structure, it is characterized in that: described slotted collar (2), the spill loop wire that is shaped on convex loop wire that its inwall is shaped on and composite pipe (1) the end outer wall is interlocked.
3, according to claim 2 described composite pipe cutting ferrule throw-out collar and lip limit sealed type pipe fitting connecting structure, it is characterized in that: described throw-out collar (3), itself and the contacted end face of slotted collar (2) are the taper conical surface.
4, according to claim 3 described composite pipe cutting ferrule throw-out collar and lip limit sealed type pipe fitting connecting structure, it is characterized in that: be encapsulated in pipe fitting and throw-out collar composite pipe and be unified into lip limit seal ring (5) between body, for realizing the seal ring of end plane sealing and the band interference tapering shape of inner surface of tube self-tightening sealing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00223802 CN2446364Y (en) | 2000-07-28 | 2000-07-28 | Connecting structure for steel/plastic compound tube cutting sleeve throw-out collar and lip-side sealing tubing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00223802 CN2446364Y (en) | 2000-07-28 | 2000-07-28 | Connecting structure for steel/plastic compound tube cutting sleeve throw-out collar and lip-side sealing tubing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2446364Y true CN2446364Y (en) | 2001-09-05 |
Family
ID=33588290
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00223802 Expired - Fee Related CN2446364Y (en) | 2000-07-28 | 2000-07-28 | Connecting structure for steel/plastic compound tube cutting sleeve throw-out collar and lip-side sealing tubing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2446364Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102062273A (en) * | 2010-12-30 | 2011-05-18 | 曲阜市东宏实业有限公司 | Connection method of steel wire and plastic composite tubes |
| CN102644810A (en) * | 2012-04-28 | 2012-08-22 | 杭州友阳电器有限公司 | Self-locking pipe connector |
-
2000
- 2000-07-28 CN CN 00223802 patent/CN2446364Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102062273A (en) * | 2010-12-30 | 2011-05-18 | 曲阜市东宏实业有限公司 | Connection method of steel wire and plastic composite tubes |
| CN102644810A (en) * | 2012-04-28 | 2012-08-22 | 杭州友阳电器有限公司 | Self-locking pipe connector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: YUE CHENGPING Free format text: FORMER NAME OR ADDRESS: TONGGAO COMMUNICATION CO., LTD., CHENGDU |
|
| CP03 | Change of name, title or address |
Address after: 611330 No. 88 Fumin Road, Xinchang Town, Dayi County, Sichuan, Chengdu Patentee after: Yue Chengping Address before: Jinyuan town Dayi County Chengdu city Sichuan 611330 Patentee before: Tonggao Communication Co., Ltd., Chengdu |
|
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |