CN2491682Y - Aluminium-plastic composite tubing - Google Patents
Aluminium-plastic composite tubing Download PDFInfo
- Publication number
- CN2491682Y CN2491682Y CN 01207951 CN01207951U CN2491682Y CN 2491682 Y CN2491682 Y CN 2491682Y CN 01207951 CN01207951 CN 01207951 CN 01207951 U CN01207951 U CN 01207951U CN 2491682 Y CN2491682 Y CN 2491682Y
- Authority
- CN
- China
- Prior art keywords
- pipe fitting
- pipe
- core print
- pedestal
- aluminium
- 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
Images
Landscapes
- Flanged Joints, Insulating Joints, And Other Joints (AREA)
Abstract
The utility model relates to an aluminum plastic composite tube pipe fitting which is mainly composed of a pipe fitting base, a core print and a screw cap, wherein the base is a hollow body, and the peripheral surface with an open pore of the hollow body is provided with external threads; one end of the core print is cooperated with the open core of the pipe fitting base and a flange is also arranged at the end. A seal washer is arranged between the pipe fitting base and one end of the core print, and the peripheral surface of the other end of the core print is provided with a sealing face. One end of the screw cap is provided with internal threads which are cooperated with the external threads of the open pore of the base, and the other end is provided with a stopping opening which corresponds to the flange of the core print. The base can be water heating pipe fittings in various forms. The utility model has simple and convenient installation and maintenance, high efficiency and high universality, and can save cost, materials and storage space.
Description
The utility model relates to a kind of pipe fitting, particularly a kind of aluminium-plastic composite pipe or plastic tube pipe fitting.
Coating Steel Pipe is the main material of industry and civilian plumbing and heating and ventilation project, and very long applicating history has been arranged.Its shortcoming is heavy, corrosion-resistant, and easily getting rusty pollutes.Along with the continuous progress of modern civilization, people more and more pay attention to healthy and environmental protection, and the new material that a kind of environmental-protecting performance is superior---aluminium-plastic composite pipe is used increasingly extensive.According to the new rule and standard that country works out for this reason, aluminium-plastic composite pipe will finally occupy suitable share in this field.Aluminium-plastic composite pipe used existing several years in China, shown in Fig. 1～3, existing aluminium-plastic composite pipe pipe fitting, as two logical, threeway, elbow, condensate correcting-distribuing device, valve etc., material is stainless steel or copper, basic structure all is the pipe fitting joint 2 that is integrally formed with respective numbers on pipe fitting body 1, and the internal diameter of the external diameter of pipe fitting joint 2 and the aluminium-plastic composite pipe that is attached thereto 3 matches, and pipe fitting joint 2 peripheries are provided with seal ring 4 and ripple 5.During adapter, the tube head 6 of aluminium-plastic composite pipe 3 is enclosed within on the pipe fitting joint 2,, entangles steel bushing 7, compress, the tube head 6 of aluminium-plastic composite pipe 3 is connected firmly with pipe fitting joint 2 and seals with special tube pliers at tube head 6 periphery suits one steel bushing 7.In practice, find that this pipe fitting installs, uses and keep in repair and all cause very big inconvenience to aluminium-plastic composite pipe.Its shortcoming is as follows:
1, difficulty is installed
At first, as shown in Figure 4, when existing aluminium-plastic composite pipe and pipe fitting are installed at the scene, will inevitably run into the two ends pipe fitting locatees, situation about can not move, the installation steps of this moment are: measure size between the two pipe fittings, by size with the aluminium-plastic composite pipe blanking, left end 8 usefulness preceding methods with pipe are fixed on the left end pipe fitting 9 earlier, the right-hand member 10 of pipe and the joint 12 of right-hand member pipe fitting 11 axially are being overlapped at this moment, the right-hand member 10 of pipe need be moved left to the left side of joint 12, could overlap upper connection 12.But the left end 8 of pipe has been connected and fixed, pipe can not be whole to left, can only manage tube bending to shorten the crow flight distance (as shown in phantom in Figure 4) between its two-end-point, so that pipe right-hand member 10 is aimed at joint 12 and is socketed on the joint 12, simultaneously pipe is stretched, and then compress steel bushing with special tube pliers, with sealing be connected and fixed.Committed step in this process is that pipe is curved, and this step does not have special tool to use, and all is to operate by hand, relatively effort.And this is especially difficult for large diameter pipe, not only quite requires great effort, and also causes damaged tubular easily.Pipe is when bent state in addition, and the axle center of its axle center and pipe fitting joint is not to overlap, but interlocks at an angle, and socket is also very painstaking, damages seal ring and sealing surface again easily, causes leakage hidden danger.
Secondly, the steel ring oil pressure seal operation of this mounting type must be carried out on pipeline, that is: seal point where, just where operates with special tube pliers.The seal point of pipeline is a random distribution, has a lot of seal points to be near eminence, piping lane, the wall-through hole or other unworkable position unavoidably, and in these positions, operator's action is limited to, and is difficult to guarantee airtight quality.And special tube pliers and outfit thereof are very heavy, and moving wastes time and energy, and easily makes the operator produce fatigue, reduce working efficiency.
2, maintenance management difficulty
In a single day pipeline installs, and all pipes and pipe fitting all are connected to one, and be non-dismountable.If connect to take place leak somewhere or pipe fitting damages, perhaps need pipeline is carried out local flow improvement, can only with cutting tool therewith all the other some pipes of linking to each other of pipe fitting all cut off, just can change or transform, very bothersome.And when installing again, can produce the problem of above-mentioned installation difficulty again.
3, installation efficiency is low
The above-mentioned situation that bend pipe connects of being forced to occurs for reducing, pipeline is installed will be arranged to linear process as far as possible, and promptly the erection sequence of a pipeline is from one end to the other side to install successively, cannot start in the middle of pipeline simultaneously again.Such as the 30 floor civil building that eight unit are arranged, the installation arrangement of its delivery (pipe) line is to divide eight groups with personnel, installs successively from the bottom to the top layer, and can not install from middle (as ten layers, 20 layers) segmentation simultaneously, this arrangement influences installation efficiency very much, causes construction speed slow.
In view of above-mentioned situation, the purpose of this utility model provides a kind of dismounting laborsaving, aluminium-plastic composite pipe pipe fitting that installation efficiency is high easy to maintenance.
The purpose of this utility model adopts following design to realize: a kind of aluminium-plastic composite pipe pipe fitting is characterized in that: it is made up of pipe fitting pedestal, core print and nut,
Described pedestal is a hollow article, and the outer circumferential face of described pedestal and described core print joining end is provided with outside thread;
Described core print is a hollow tubular body, the one end matches with the perforate of described pipe fitting pedestal, and this end be provided with one the location flange, be provided with seal washer between one end of described pipe fitting pedestal and described core print, the outer circumferential face of the described core print the other end be provided with can with the sealing surface of aluminium-plastic composite pipe tube head inner peripheral surface sealing;
One end of described nut is provided with the internal thread that matches with the outside thread of the perforate of described pipe fitting pedestal, and the other end of described nut is provided with and the corresponding seam of the locating flange of described core print.
The sealing surface form of the outer circumferential face of the described core print the other end can be seal ring and ripple combination seal.
Described seal ring and ripple are respectively at least two, and are provided with at interval, described ripple indention on axial cross section, and described sawtooth tilts to the pedestal direction.
Described pedestal can be any of hot-water heating pipe fittings such as two logical, threeway, four-way, elbow, valve, reducing or condensate correcting-distribuing device.
The outer circumferential face of the described pipe fitting pedestal the other end also can be provided with outside thread, and the middle part periphery of pipe fitting pedestal is provided with six sides or all directions.
The advantage of the utility model product is summarized as follows:
1, installation is laborsaving, simple and convenient, efficient height (sectional construction), accurately, good sealing effect.
2, save operation space has increased the free space of building.
3, maintenance is easy, and where the where is it fault just repaiies, without integral replacing.
4, realized modularization, matching performance, produced with strong pointsly, saved fund, material, reduced taking of storage space, very big economic benefit and social benefit have been arranged.
Below in conjunction with drawings and Examples, structure of the present utility model and the advantage that had thereof are done detailed explanation.
Fig. 1 is the sectional view of existing aluminium-plastic composite pipe pipe fitting;
Fig. 2 is existing aluminium-plastic composite pipe pipe fitting split state schematic perspective view;
Fig. 3 is that existing aluminium-plastic composite pipe pipe fitting is used in combination the state schematic perspective view;
Fig. 4 is the installation process schematic representation of existing aluminium-plastic composite pipe pipe fitting;
Fig. 5 is the sectional view of the utility model aluminium-plastic composite pipe pipe fitting;
Fig. 6 is a split schematic perspective view of the present utility model;
Fig. 7 is that the utility model is used in combination the state schematic perspective view;
Shown in Fig. 5～7, the utility model aluminium-plastic composite pipe pipe fitting is made up of pipe fitting pedestal 13, core print 14 and nut 15,
One end of nut 15 is provided with the internal thread 22 that matches with the outside thread 17 of the perforate 16 of pipe fitting pedestal 13, and the other end of nut 15 is provided with the locating flange 18 corresponding seams 23 with core print 14.
Sealing surface form set on the outer circumferential face of core print 14 the other ends can as shown in Fig. 5～6, be that two seal rings 20 and three ripples 21 are provided with at interval for seal ring and ripple combination seal.Ripple 21 indention on axial cross section, sawtooth tilts to the pedestal direction.Adopt such structure, not only make core print 14 be easy to insert the tube head of plastic-aluminum pipe, and after compressing sealing, zigzag fashion ripple 21 plays the effect of barb anticreep, and pipe can not got loose because of the tractive of external force or deadweight.
Hot-water heating pipe fittings such as that pipe fitting pedestal 13 can directly be made is two logical, threeway, four-way, elbow, valve or condensate correcting-distribuing device any, this pipe fitting pedestal 13 can be according to the core print 14 and the nut 15 of its form configuration respective numbers, as two logical, elbow, valve two interfaces are arranged all, each interface is provided with a cover core print 14 and a nut 15, totally two covers; The interface quantity of threeway, four-way, condensate correcting-distribuing device is more than three or three, and three covers or above core print 14 and the nut 15 of three covers need be set.
Aluminium-plastic composite pipe pipe fitting of the present utility model with the maximum difference of existing similar pipe fitting is: the pedestal and the core print of existing similar pipe fitting are integrated, and pedestal of the present utility model 13 and core print 14 are that split is removable.When installing at the scene, the erection sequence of each joint is: 1, measure the two pipe fittings spacing, reserve the joint allowance, aluminium-plastic composite pipe 28 is cut into Len req; 2, put steel bushing 27, nut 15 at tube head, that end with core print 14 band seal rings 20 and flexuose ripple 21 inserts in the tube head again; 3, clamp steel bushing 27 with special tube pliers, compress, tube head and core print 14 closely is connected and seals; 4, the other end of core print 14 is aimed at pedestal 13, nut 15 is tightened on the outside thread 17 of pedestal 13, locking core print flange.So just finished the connection of a port of pipe.
As run into the two ends pipe fitting and all locate, irremovable situation, then when carrying out step 2, two cover nuts 15, the steel bushing 27 at two ends all are with, do as stated above twice, promptly finish being connected of pipe and two ends pipe fitting, avoided having in the prior art curve the thorny situation that pipe connects in this process fully.
Above-mentioned installation steps 3 can be arranged on the ground (or table top) carries out, and needn't leave no choice but do on the actual link position on the pipeline, and like this, special tube pliers and outfit thereof just can be fixed on a place and use, and needn't constantly move along with seal point.Not only laborsaving, the efficient height, easy to operate easy, more eliminated the operation dead angle, sealing effect is guaranteed.Hence one can see that, and all difficulties that the utility model aluminium-plastic composite pipe pipe fitting will inevitably run into when having avoided existing like product to install are fully installed laborsaving reliable, simple efficient.
Because the utility model has solved the two ends pipe fitting and difficult problem has been installed fixedly the time, so when high level or the installation of heavy construction water supply and sewerage pipeline, can realize section construction, integral construction efficient is improved greatly.
In the prior art, with special tube pliers tube head is carried out oil pressure and seal this step (being equivalent to step 2 of the present utility model) and on pipeline, carry out, because special tube pliers needs bigger operative radius, so pipeline must leave enough gaps with building surface.And this step of the present utility model all can be changed into and carries out on the ground (or table top), can arrange pipeline very closely from building surface, thereby has increased the free space of building.
Pipe joint of the present utility model all is that screw thread removably connects, where be out of order and just scyewed joint where unclamped, unload down and repair or change, needn't will cut off the pipe that all link to each other with pipe fitting with cutting tool as prior art, therefore maintenance is very simple and easy to do, laborsaving saving time.
Because of pipe joint all is that screw thread removably connects, by unified design, can be with the pipe fitting body, core print, nut is pressed different size, make serial pipe fitting product with interchangeability, thereby make the design of plastic-aluminum pipe pipe fitting, produce, sell, store, use, maintenance waits each link to realize modularization, versatility, matching performance, significantly reduce the kind of production mould, improve the specific aim of links such as manufacturer's production and applying unit purchase, the saving fund, material, reduce taking of storage space, make the management of overall process more planned, in order, more science produces very big economic benefit and social benefit.
The utility model not only can be applicable to aluminium-plastic composite pipe, also can be used for polyethylene pipe etc.
Claims (5)
1, a kind of aluminium-plastic composite pipe pipe fitting, it is characterized in that: it mainly is made up of pipe fitting pedestal, core print and nut,
Described pedestal is a hollow article, and the outer circumferential face of described pedestal and described core print joining end is provided with outside thread;
Described core print is a hollow tubular body, the one end matches with the perforate of described pipe fitting pedestal, and this end be provided with one the location flange, be provided with seal washer between one end of described pipe fitting pedestal and described core print, the outer circumferential face of the described core print the other end be provided with can with the sealing surface of aluminium-plastic composite pipe tube head inner peripheral surface sealing;
One end of described nut is provided with the internal thread that matches with the outside thread of the perforate of described pipe fitting pedestal, and the other end of described nut is provided with and the corresponding seam of the locating flange of described core print.
2, aluminium-plastic composite pipe pipe fitting as claimed in claim 1 is characterized in that: the sealing surface form of the outer circumferential face of the described core print the other end is seal ring and ripple combination seal.
3, aluminium-plastic composite pipe pipe fitting as claimed in claim 2, it is characterized in that: described seal ring and ripple are respectively at least two, and described seal ring and ripple are provided with at interval, described ripple indention on axial cross section, described sawtooth tilts to the pedestal direction.
4, as claim 1 or 2 or 3 described aluminium-plastic composite pipe pipe fittings, it is characterized in that: described pedestal is any of hot-water heating pipe fittings such as two logical, threeway, four-way, elbow, valve, reducing or condensate correcting-distribuing device.
5, as claim 1 or 2 or 3 described aluminium-plastic composite pipe pipe fittings, it is characterized in that: the outer circumferential face of the described pipe fitting pedestal the other end is provided with outside thread, and the middle part periphery of described pipe fitting pedestal is provided with six sides or all directions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01207951 CN2491682Y (en) | 2001-03-14 | 2001-03-14 | Aluminium-plastic composite tubing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01207951 CN2491682Y (en) | 2001-03-14 | 2001-03-14 | Aluminium-plastic composite tubing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2491682Y true CN2491682Y (en) | 2002-05-15 |
Family
ID=33628221
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01207951 Expired - Fee Related CN2491682Y (en) | 2001-03-14 | 2001-03-14 | Aluminium-plastic composite tubing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2491682Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102967698A (en) * | 2012-11-27 | 2013-03-13 | 贵州航天精工制造有限公司 | Oil-resistant sealing tank device for rubber test and manufacture method of oil-resistant sealing tank device |
| CN107387914A (en) * | 2017-08-17 | 2017-11-24 | 太仓永固精密制件有限公司 | A kind of well-set quick coupling |
-
2001
- 2001-03-14 CN CN 01207951 patent/CN2491682Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102967698A (en) * | 2012-11-27 | 2013-03-13 | 贵州航天精工制造有限公司 | Oil-resistant sealing tank device for rubber test and manufacture method of oil-resistant sealing tank device |
| CN107387914A (en) * | 2017-08-17 | 2017-11-24 | 太仓永固精密制件有限公司 | A kind of well-set quick coupling |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN2491682Y (en) | Aluminium-plastic composite tubing | |
| CN207647624U (en) | A kind of fuel feeding pressure charging system for improving Gas Turbine Generating Units supply capability | |
| CN2786404Y (en) | Quick joint | |
| CN212716466U (en) | Ultrahigh pressure assembled fracturing manifold | |
| CN2315410Y (en) | Quick connecting pipe joint | |
| CN2116141U (en) | Pipe joint | |
| CN2203394Y (en) | Fast connection moving joint device for pipeline | |
| CN2204906Y (en) | Connector for hard PVC pressure pipelines | |
| CN211803150U (en) | Hollow shaft oil circuit mechanism of coiling machine | |
| CN2663769Y (en) | Groove type diameter-reducing collar clamp | |
| CN220727469U (en) | Corrugated pipe joint | |
| CN1209519A (en) | Noval pipe connector | |
| CN2348231Y (en) | Universal convenient joint for steel pipeline | |
| CN2326816Y (en) | Emergency connector for rush repairing connector for connecting fillister head steel-pipe | |
| CN2083676U (en) | Non thread wedge fastening pipe parts | |
| CN219413019U (en) | Modularized prefabricated fire pump connecting assembly | |
| CN2677720Y (en) | Joint | |
| CN2144231Y (en) | Quick jointing device for pipes | |
| CN216423508U (en) | Welding installation equipment for RTP composite pressure pipe | |
| CN2365492Y (en) | Convenient loose joint | |
| CN219345599U (en) | Check valve with multiple seal structure | |
| CN2256974Y (en) | Double joint | |
| CN210860208U (en) | Adjustable adapter and have its engine | |
| CN2369058Y (en) | Aluminum alloy pipe and closer assembly | |
| CN2372533Y (en) | Fast sealing connecting device for pipe fitting |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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 |