CN2450497Y - Aluminium-plastic composite pipe joint device - Google Patents
Aluminium-plastic composite pipe joint device Download PDFInfo
- Publication number
- CN2450497Y CN2450497Y CN 00248727 CN00248727U CN2450497Y CN 2450497 Y CN2450497 Y CN 2450497Y CN 00248727 CN00248727 CN 00248727 CN 00248727 U CN00248727 U CN 00248727U CN 2450497 Y CN2450497 Y CN 2450497Y
- Authority
- CN
- China
- Prior art keywords
- lip
- fittings body
- plastic composite
- counterbore
- collar
- 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
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- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
The utility model relates to a pipe joint, particularly a pipe joint device which is used for being connected with aluminum-plastic composite pipes. Parts and components of the pipe joint device which is used for being connected with aluminum-plastic composite pipes are made from plastic materials. A connecting cavity which is used for being filled by a connected pipe is arranged in a joint body. A sealing ring which is arranged in a sinking hole of the joint body is a lip-shaped sealing ring, the inner lip edge of the lip-shaped sealing ring and the outer pipe wall of the connected pipe are tightly embraced and sealed, and the outer lip edge and the inner wall of the sinking hole are expanded and sealed. The tail of the lip-shaped sealing ring and a top ring are tightly pressed and sealed. The product cost of the pipe joint device which is used for being connected with aluminum-plastic composite pipes is low, and transporting liquid flow amount is free from loss. The sealing reliability of the pipe joint device which is used for being connected with aluminum-plastic composite pipes follows the raise of pressure in a pipeline to be increased. The pipe joint device which is used for being connected with aluminum-plastic composite pipes can be used for the connection of aluminum-plastic composite pipes.
Description
The utility model relates to pipe joint, especially a kind of pipe connector that is used to connect aluminium-plastic composite pipe.
As everyone knows, the pipe connector of the aluminium-plastic composite pipe of public offering has two kinds in the market, a kind of is the pipe connector of interior sealing, the sealed pipe joint device adopts metal (copper) to make in this, it mainly comprise have externally threaded fittings body, in establish nut, the opening taper retainer ring of taper lock tieholen, a plug that inserts connected tube is arranged on fittings body, many annular grooves are arranged on the outer surface of plug, O-ring seals is housed in the groove.During use, connected tube is set on the plug that has O-ring seals, opening taper retainer ring is loaded in the nut and is placed on the outer surface of connection part of connected tube and plug, utilize the externally threaded engagement feeding on nut and the fittings body, lock opening taper retainer ring, thereby the plug of connected tube and fittings body is compressed, the pipe connector of this structure, because of the intracavity diameter of fittings body internal diameter less than connected tube, cause and carry the flow of liquid to diminish, and have the high shortcoming of cost; Another kind is the pipe connector of external sealed.The pipe connector of this external sealed mainly comprises and has externally threaded fittings body, tightening nut, have the opening taper lock collar of radial rib, end-face seal ring, radially O shape or rectangular seal, in the fittings body end, be provided with counterbore, tightening nut is made up of connecting end and locking end, connecting end be provided with fittings body on the internal thread that is complementary of outside thread, the locking end is provided with a taper lock tieholen, during use, the collar of opening taper lock is loaded in the taper lock tieholen of tightening nut, along with the screw thread feeding on tightening nut and the fittings body, make the radial rib in the collar of opening taper lock lock connected tube and axial feed, make the end of connected tube end-face seal ring is pressed against on the shoulder of counterbore in the fittings body, between the internal surface of the outer surface of connected tube and fittings body counterbore, more than one radially O shape (or rectangle) seal ring is housed, for guaranteeing the radially tight contact between O shape (or rectangle) seal ring, between tightening nut and fittings body, be provided with collar, collar radially O shape (or rectangle) seal ring extrusion-deformation is realized axial seal, though the pipe joint internal diameter of the pipeline of this structure equates with pipe joint endoporus channel diameter, flow is not suffered a loss, but smooth degree of the end face that is subjected to connected tube and seal ring are at high temperature, be prone to the influence of distortion under the effect of high pressure, exist sealing effect bad, easy shortcoming of leaking.
The purpose of this utility model is the defective that exists at above-mentioned prior art, provides that a kind of product cost is low, flow is not suffered a loss, good sealing effect, antileakaging aluminium-plastic composite pipe pipe connector.
For achieving the above object, the utility model comprises by what plastic material was made and has an externally threaded fittings body, tightening nut, have the opening taper lock collar of radial rib, be loaded on collar and seal ring between tightening nut and the fittings body, be provided with counterbore in the end of fittings body, tightening nut is divided into connecting end and locking end, be provided with on the connecting end with fittings body on the internal thread that is complementary of outside thread, on the locking end, be provided with the taper lock tieholen that matches with the collar of opening taper lock, be provided with the connection chamber that enters for connected tube in described fittings body inside with described counterbore concentric, described seal ring is lip-type packing, lip-type packing is loaded in the counterbore of fittings body, the outer tube wall of its epipharynx limit and connected tube is held sealing tightly, the inwall expansion sealing of outer lip limit and counterbore, the afterbody and the collar of lip-type packing compress sealing.
As a kind of improvement of the present utility model, the lip-type packing that is loaded in the fittings body counterbore is a y-shaped ring.
As another kind of improvement the of the present utility model, the lip-type packing that is loaded in the fittings body counterbore is a v-ring.
When the utility model is further improved again, between seal ring two lip limits, be evenly distributed with 3-8 stiffening rib, can effectively increase the rigidity of seal ring, avoid under high temperature, high pressure, occurring two lip limits and tear phenomenon.
Component of the present utility model are made with plastic material, so product cost is low; Because of and fittings body counterbore concentric inner at fittings body are provided with the connection chamber that enters for connected tube, the connection chamber internal diameter is greater than the internal diameter of connected tube, therefore the fluid flow of carrying is not suffered a loss, between connected tube and fittings body counterbore, adopted lip-type packing, the outer tube wall of its epipharynx limit and connected tube is held sealing tightly, the inwall expansion sealing of outer lip limit and counterbore, the afterbody and the collar of lip-type packing compress sealing, so power of holding tightly of lip-type packing epipharynx limit and connected tube, the expansionary force of outer lip limit and counterbore inwall, the sealing load of afterbody and collar raises along with the pressure of carrying liquid in the pipeline and increases, so the utility model good sealing effect is at high temperature, be not prone to leakage under the situation of high pressure.
Below in conjunction with accompanying drawing to the utility model and embodiment to further describing.
Fig. 1 is main sectional view of the utility model embodiment one;
Fig. 2 is the side view of seal ring among Fig. 1;
Fig. 3 is another embodiment's of the utility model a main sectional view.
Fig. 4 is the side view of seal ring among Fig. 3.
The structure that has shown aluminium-plastic composite pipe pipe connector embodiment one at Fig. 1, wherein fittings body 1, tightening nut 2, opening taper lock collar 3, collar 4 adopts the poly-acid esters material of modification to make, outer surface at fittings body 1 is provided with outside thread, in its end, be provided with counterbore 5, inside and counterbore 5 concentrics at fittings body 1 are provided with for being connected the connection chamber 6 that enters, be shaped on the connecting end of tightening nut 2 with fittings body 1 on the internal thread that is complementary of outside thread, the locking end is provided with the locking hole 7 of taper, taper lock tieholen 7 on opening taper retainer ring 3 and the tightening nut 2 is used, the inner conical surface of opening taper retainer ring 3 is provided with rib radially, y-shaped ring 8 is assemblied in the counterbore 5 of fittings body 1, collar 4 is installed between the end of opening taper retainer ring 3 and fittings body 1, it can split prostomum shape retainer ring 3 squeezing action, to 8 spacing barrier effects of y-shaped ring.
When using installation, earlier with tightening nut 2, opening taper retainer ring 3, collar 4 is sleeved on the outer tube wall of connected tube 9 successively, then connected tube 9 being passed y-shaped ring 8 epipharynx limits stretches in the connection chamber 6, the epipharynx limit of y-shaped ring 8 and the outer tube wall of connected tube produce the power of holding tightly and realize holding tightly sealing, counterbore 5 inwalls that the outer lip limit of y-shaped ring 8 produces on expansionary force and the fittings body 1 are realized the expansion sealing, collar 4 can closely contact with the afterbody of y-shaped ring 8, realization compresses sealing, also can between the afterbody of collar 4 and y-shaped ring 8, leave certain interval, high temperature in conveyance conduit, under the fluid pressure effect of high pressure, the power of holding tightly of the epipharynx limit of y-shaped ring 8 and the outer tube wall of connected tube 9, the expansionary force of outer lip limit and counterbore 5 inwalls increases, and y-shaped ring 8 is moved axially along connected tube 9 generations, make the afterbody of y-shaped ring 8 and collar 4 compress sealing.Collar 4 is along with the screw thread feeding between tightening nut 2 and the fittings body 1, opening taper retainer ring 3 is headed in the taper lock tieholen 7 of tightening nut 2, along with diminishing of locking hole, opening taper retainer ring 3 shrinks, radial rib on opening taper retainer ring 3 inner conical surfaces is nipped in the tube wall of connected tube 9, realized axial restraint.
For the rigidity that increases y-shaped ring 8 and the survivability between the seal ring two lip limits, as shown in Figure 2, between two lip limits, be evenly distributed with 6 stiffening ribs 10.
Fig. 3 has shown another embodiment's of the utility model structural drawing.Identical in the structure of Fig. 3 middle joint body 1 ＇, tightening nut 2 ＇, opening taper lock collar 3 ＇, collar 4 ＇ and annexation and embodiment one, repeated description no longer, just seal ring is used instead and be v-ring, the mounting point of its v-ring 8 ＇ and with the action principle of connected tube 9 ＇ also with embodiment one in identical, therefore no longer narrate.
Because of the connection part on the afterbody of v-ring 8 ＇ and two lip limits comparatively weak, so in the seal ring side view shown in Fig. 4, between two lip limits of seal ring, be evenly distributed with 8 stiffening rib 10 ＇.
It may be noted that; this aluminium-plastic composite pipe pipe connector is equally applicable in the pipe fitting of straight-through, threeway, elbow, plug type, valve type, flexible joint type with footpath or reducing; so in above-mentioned pipe fitting, use this pipe connector, all should think in protection domain of the present utility model.
Claims (4)
1, a kind of aluminium-plastic composite pipe pipe connector, have an externally threaded fittings body by what plastic material was made, tightening nut, have the opening taper lock collar of radial rib, the collar and the seal ring that are loaded between tightening nut and the fittings body are formed, be provided with counterbore in the end of fittings body, tightening nut is divided into connecting end and locking end, be provided with on the connecting end with fittings body on the internal thread that is complementary of outside thread, on the locking end, be provided with the taper lock tieholen that matches with the collar of opening taper lock, it is characterized in that: be provided with the connection chamber that enters for connected tube with described counterbore concentric in described fittings body inside, described seal ring is lip-type packing, lip-type packing is loaded in the counterbore of fittings body, the outer tube wall of its epipharynx limit and connected tube is held sealing tightly, the inwall expansion sealing of outer lip limit and counterbore, the afterbody and the collar of lip-type packing compress sealing.
2, a kind of aluminium-plastic composite pipe pipe connector according to claim 1 is characterized in that: the described lip-type packing that is loaded in the fittings body counterbore is a y-shaped ring.
3, a kind of aluminium-plastic composite pipe pipe connector according to claim 1 is characterized in that: the described lip-type packing that is loaded in the fittings body counterbore is a v-ring.
4, according to any one described aluminium-plastic composite pipe pipe connector in the claim 1 to 3, it is characterized in that: be distributed with 3-8 stiffening rib between the two lip limits of described seal ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00248727 CN2450497Y (en) | 2000-09-22 | 2000-09-22 | Aluminium-plastic composite pipe joint device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00248727 CN2450497Y (en) | 2000-09-22 | 2000-09-22 | Aluminium-plastic composite pipe joint device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2450497Y true CN2450497Y (en) | 2001-09-26 |
Family
ID=33607306
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00248727 Expired - Fee Related CN2450497Y (en) | 2000-09-22 | 2000-09-22 | Aluminium-plastic composite pipe joint device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2450497Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102518900A (en) * | 2011-12-28 | 2012-06-27 | 张家港联冠新材料有限公司 | Socket type connection part of middle-pressure steel wire reinforcement plastic pipeline |
| CN104697200A (en) * | 2013-12-09 | 2015-06-10 | 江苏贝德莱特太阳能科技有限公司 | Seal ring of copper pipe of solar water heater |
| CN112240391A (en) * | 2019-07-17 | 2021-01-19 | 天津市际华橡胶制品有限公司 | Composite rubber sealing ring for ultra-large water supply socket pipe |
| CN115275261A (en) * | 2022-09-22 | 2022-11-01 | 常州市巧特莱重型液压油缸有限公司 | Transmission system based on hydraulic oil cylinder |
-
2000
- 2000-09-22 CN CN 00248727 patent/CN2450497Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102518900A (en) * | 2011-12-28 | 2012-06-27 | 张家港联冠新材料有限公司 | Socket type connection part of middle-pressure steel wire reinforcement plastic pipeline |
| CN104697200A (en) * | 2013-12-09 | 2015-06-10 | 江苏贝德莱特太阳能科技有限公司 | Seal ring of copper pipe of solar water heater |
| CN112240391A (en) * | 2019-07-17 | 2021-01-19 | 天津市际华橡胶制品有限公司 | Composite rubber sealing ring for ultra-large water supply socket pipe |
| CN115275261A (en) * | 2022-09-22 | 2022-11-01 | 常州市巧特莱重型液压油缸有限公司 | Transmission system based on hydraulic oil cylinder |
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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 |