CN201688050U - Groove type high-frequency hot-melting composite pipe connector - Google Patents
Groove type high-frequency hot-melting composite pipe connector Download PDFInfo
- Publication number
- CN201688050U CN201688050U CN2010201977730U CN201020197773U CN201688050U CN 201688050 U CN201688050 U CN 201688050U CN 2010201977730 U CN2010201977730 U CN 2010201977730U CN 201020197773 U CN201020197773 U CN 201020197773U CN 201688050 U CN201688050 U CN 201688050U
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- Prior art keywords
- wall
- composite pipe
- melting
- groove
- metallic sheath
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- Expired - Fee Related
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- 239000002131 composite material Substances 0.000 title claims abstract description 60
- 238000002844 melting Methods 0.000 title claims abstract description 28
- 229920003023 plastic Polymers 0.000 claims abstract description 31
- 239000004033 plastic Substances 0.000 claims abstract description 31
- 230000008018 melting Effects 0.000 claims abstract description 23
- 239000002184 metal Substances 0.000 claims abstract description 20
- 238000003466 welding Methods 0.000 claims abstract description 20
- 238000007789 sealing Methods 0.000 claims abstract description 15
- 238000010438 heat treatment Methods 0.000 claims abstract description 13
- 239000012943 hotmelt Substances 0.000 claims description 18
- 230000006698 induction Effects 0.000 claims description 13
- 206010028980 Neoplasm Diseases 0.000 abstract 1
- 238000010276 construction Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000000155 melt Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
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- Lining Or Joining Of Plastics Or The Like (AREA)
Abstract
The utility model discloses a groove type high-frequency hot-melting composite pipe connector, belonging to a pipe connecting structure. The groove type high-frequency hot-melting composite pipe connector is characterized in that the inner wall of a metal sleeve is provided with a radial enlarging part; the outer wall of the metal sleeve is provided with an annular clamp groove; a composite pipe is inserted into the metal sleeve and is provided with an exposure section; the place where the composite pipe corresponds to the radial enlarging part is sunk into the radial enlarging part in an enlarging way; the double-face hot-melting connector is provided with an outer melting wall, an inner melting wall and a birdmouth arranged between the outer melting wall and the inner melting wall; the exposure section is plugged into the birdmouth, so that the inner plastic layer of the composite pipe is melted with the inner melting wall, and the outer plastic layer of the composite pipe is melted with the outer melting wall through high frequency sensing and heating; a groove hoop is arranged for the annular clamp groove of the outer wall of the metal sleeve; and the inner side of the groove hoop is internally provided with a first sealing ring. The groove type high-frequency hot-melting composite pipe connector has high pressure bearing capability, has no melting tumors on a melting structure, is easy to implement, and can repair the welding part by means of the secondary high frequency sensing and heating if the melting structure has leakage caused by bad melting.
Description
Technical field
The utility model belongs to pipe connecting structure, and especially a kind of being used for is connected to ducted groove type HF hot melt multiunit tube joint with composite metal-plastic pipe.
Background technique
Composite metal-plastic pipe (abbreviates composite pipe as in this patent, be meant the composite pipe of the three-decker that constitutes by inner plastic layer, intermediate metal layer, outer plastic layer), it conveniently is better than traditional metal tube (as galvanized pipe) at anticorrosion, antirust, anti-plugging etc., is the pipe commonly used of existing pipeline.But because of it has adopted plastics and has usually adopted welding (plastics of composite pipe and plastic pipe to be heated to fusing and composite pipe is plugged on by the molten formation together of the plastics of fusing with plastic pipe and be connected, as the spigot and socket type hot melt) mode realize and being connected of pipe fitting, therefore join strength and sealing effect often are difficult to guarantee, bearing capacity is low, difficulty of construction is big, the fault rate height.
The model utility content
The technical assignment of the technical problems to be solved in the utility model and proposition is to overcome the defective that existing composite pipe join strength and sealing effect are difficult to guarantee, bearing capacity is low, and a kind of groove type HF hot melt multiunit tube joint is provided.For this reason, the utility model is by the following technical solutions:
Groove type HF hot melt multiunit tube joint, it comprises composite pipe, metallic sheath, two-sided hot melting connector, described composite pipe is by inner plastic layer, intermediate metal layer, outer plastic layer constitutes, it is characterized in that: the inwall of described metallic sheath has radially expansion section, the outer wall of described metallic sheath has the ring-type draw-in groove, described composite pipe is inserted in the described metallic sheath and has the section of exposing, the position of the corresponding described radially expansion section of described composite pipe is in expansion is absorbed in described radially expansion section, described two-sided hot melting connector has outer molten wall, in molten wall and be positioned at described outer molten wall, birdsmouth between the interior molten wall, the described section of exposing is plugged in the described birdsmouth and by high-frequency induction heating and makes described inner plastic layer and described interior molten wall welding, outer plastic layer and described outer molten wall welding, and, be equipped with first seal ring in the inboard of this groove clamping hoop for the ring-type draw-in groove of described metallic sheath outer wall disposes groove clamping hoop.
The beneficial effects of the utility model are:
1, makes inner plastic layer and the interior molten wall welding of two-sided hot melting connector, the outer plastic layer of composite pipe and the outer molten wall welding of two-sided hot melting connector of composite pipe by the mode of high-frequency induction heating, make two-sided hot melting connector that the end of composite pipe is sealed, avoid constituting the medium in the metal layer contacting pipeline of composite pipe and be corroded and the medium in the pipeline is polluted, thereby rely on outer molten wall, interior molten wall and composite pipe to form double sealing structure, bearing capacity height; Welding structure does not have molten knurl, and is easy to implement; If the not good enough seepage that causes of welding can be implemented high-frequency induction heating once more the welding position is remedied.Use high-frequency induction heating to carry out hot melt, (heat fused is distinguished with composite pipe and pipe fitting to different spigot and socket type hot melt with in the past by a kind of elder generation, again composite pipe is inserted the welding process of pipe fitting, promptly in hot melt connection procedure one by one, be laid to pipeline, in the complicated pipeline system construction, cause error easily), the hot melt that high-frequency induction heating is carried out can insert composite pipe the birdsmouth of two-sided hot melting connector earlier, by high-frequency induction heating, realize the seamless link of composite pipe and joint again.When practice of construction is operated, can in advance composite pipe and pipe fitting be laid, to be confirmedly carry out HF hot melt again after errorless, and lay earlier and form pipeline, carry out hot melt again, make construction oversimplify accuracy, lighting.
2, composite pipe is inserted in the metallic sheath and corresponding metallic sheath radially the position of expansion section in expansion is absorbed in radially the expansion section and with the metallic sheath reliable connection, further the composite pipe that disposes this spline structure with groove clamping hoop and another is connected or is connected with the pipe fitting with ring-type draw-in groove, the assurance join strength.
3, between composite pipe and metallic sheath, be equipped with second seal ring, be equipped with first seal ring in the inboard of this groove clamping hoop, this second seal ring, first seal ring stop the medium in the pipeline to leak from here to inwall, the outer wall formation sealing of metallic sheath respectively, guarantee sealing effect.
Description of drawings
Schematic representation when Fig. 1 is composite pipe of structure connection of the present utility model and metal pipe element.
Number in the figure explanation: 1-composite pipe, 2-metallic sheath, the two-sided hot melting connector of 3-, 4-is the expansion section radially, the ring-type draw-in groove of 5-metallic sheath, the 6-section of exposing, the molten outward wall of 7-second seal ring, 8-extending section, 9-, molten wall in the 10-, 11-groove clamping hoop, 12-first seal ring, the 13-pipe fitting, the ring-type draw-in groove of 14-pipe fitting, 15-sealing surface, 16-lip limit, the 17-cavity.
Embodiment
Below in conjunction with Figure of description the utility model is described further.
Groove type HF hot melt multiunit tube joint of the present utility model, as shown in Figure 1, it comprises composite pipe 1, metallic sheath 2, two-sided hot melting connector 3, composite pipe 1 is by inner plastic layer, intermediate metal layer, outer plastic layer constitutes, be characterized in: the inwall of metallic sheath 2 has radially (two positions shown in the figure, expansion section 4, be and be convenient to the ring-type of processing and assembling, be not limited to this during concrete enforcement), the outer wall of metallic sheath 2 has a ring-type draw-in groove 5, composite pipe 1 is inserted in the metallic sheath 2 and has the section of exposing 6, composite pipe 1 correspondence radially the position of expansion section 4 through expansion (even the diameter of composite pipe increases, there is shown this extending section 8) be absorbed in radially in the expansion section 4 and metallic sheath 2 reliable connection, two-sided hot melting connector 3 has outer molten wall 9, in molten wall 10 and be positioned at outer molten wall 9, birdsmouth between the interior molten wall 10, the section of exposing 6 is plugged in the birdsmouth and makes by high-frequency induction heating (its realization be by high frequency induction heater to the intermediate metal layer induction heating of composite pipe) inner plastic layer and interior molten wall 10 weldings of composite pipe, the outer plastic layer of composite pipe and outer molten wall 9 weldings, and, be equipped with first seal ring 12 in the inboard of this groove clamping hoop 11 for the ring-type draw-in groove 5 of metallic sheath 2 outer walls disposes groove clamping hoop 11.
As further improving and replenishing to technique scheme, the utility model also comprises following additional technical characteristics, though Fig. 1,2 has comprised following all additional technical features, it is preferred embodiment of the present utility model, but the utility model is not limited to this situation, according to specifically acting on they is selected for use on the described technological scheme of epimere when implementing the utility model:
The external diameter of metallic sheath 2 equates with the external diameter of outer molten wall 9, first seal ring 12 has the sealing surface 15 that contacting metal overlaps 2 outer walls and outer molten wall 9 outer walls, thereby can make the outer wall of first seal ring, the 12 reliable covers of contacting metal simultaneously 2 realize sealing with the outer outer wall that melts wall 9.Further, sealing surface 15 is formed on two lip limits 16, have cavity 17 in the inboard on these two lip limits 16, the existence of this cavity 17 can make two lip limits 16 have certain elasticity rather than only rely on the extruding of groove clamping hoop 11 to come the outer wall of contacting metal cover and the outer wall of outer molten wall to realize sealing; The end of metallic sheath 2 and the outer end abutment that melts wall 9 make structural integrity.
Be equipped with second seal ring 7 between composite pipe 1 and metallic sheath 2, be shaped on positioning ring groove as the inwall at metallic sheath 2, second seal ring 7 places to be avoided second seal ring to move and loses sealing station in this positioning ring groove.
As shown in Figure 1, when a composite pipe 1 is connected with metal pipe element 13 according to linkage structure of the present utility model, can earlier metallic sheath 2 be enclosed within on the composite pipe 1; Then the section of exposing 6 of composite pipe 1 is inserted in the birdsmouth, with high frequency induction heater the intermediate metal layer of composite pipe is implemented induction heating and make inner plastic layer and interior molten wall 10 weldings, outer plastic layer and outer molten wall 9 weldings, by two-sided hot melting connector 3 end of composite pipe 1 is sealed, avoid constituting the medium in the metal layer contacting pipeline of composite pipe and be corroded and the medium in the pipeline is polluted, welding position bearing capacity height, welding structure does not have molten knurl, easy to implement, if the not good enough seepage that causes of welding can be implemented high-frequency induction heating once more the welding position is remedied; Determine that afterwards metallic sheath 2 radially is absorbed in through expansion radially in the expansion section 4 and metallic sheath 2 reliable connection the position of expansion section 4 composite pipe 1 correspondence the position on the composite pipe 1 (nestling up the end of two-sided hot melting connector 3 as metallic sheath 2) and with expand tube tool, can push second seal ring of above addressing 7 simultaneously and guarantee to seal; Use at last in the ring-type draw-in groove 14 of ring-type draw-in groove 5 that groove clamping hoop 11 (being generally two round shape fasteners connects by fastening piece such as bolt) is stuck in metallic sheath 2 and plastic pipe 13 and realize connecting and composing pipeline, first seal ring 12 then is squeezed in the outer wall of metallic sheath 2 and realizes sealing on the outer wall of molten wall 9 outward by groove clamping hoop 11.In view of the utility model claimed be groove type HF hot melt multiunit tube joint; order when therefore illustrating book enforcement the utility model formation pipeline once more; this order is not considered as restriction of the present utility model, as long as those skilled in the art all can determine actual enforcement order according to structure of the present utility model.
Further, structure of the present utility model also can realize the connection of the connection of two composite pipes and composite pipe and plastic pipe: when implementing the former that two composite pipes that disposed this spline structure are relative, and be stuck in the connections that realize these two composite pipes in the ring-type draw-in groove 5 of two metallic sheaths 2 with groove clamping hoop 11.When implementing the latter, the ring-type draw-in groove 5 that is stuck in metallic sheath 2 with groove clamping hoop 11 is connected with ring-type draw-in groove 14 interior realizations of pipe fitting 13, intensity for the ring-type draw-in groove 14 that guarantees plastic pipe 13, when making pipe fitting 13 (as injection moulding) can embed an annular metal inserts, make the ring-type draw-in groove 14 of plastic pipe 13 be formed on this metal insert and get final product.
Claims (5)
1. groove type HF hot melt multiunit tube joint, it comprises composite pipe (1), metallic sheath (2), two-sided hot melting connector (3), described composite pipe (1) is by inner plastic layer, intermediate metal layer, outer plastic layer constitutes, it is characterized in that: the inwall of described metallic sheath (2) has radially expansion section (4), the outer wall of described metallic sheath (2) has ring-type draw-in groove (5), described composite pipe (1) is inserted in the described metallic sheath (2) and has the section of exposing (6), the position of the corresponding described radially expansion section of described composite pipe (1) (4) is absorbed in this radially in the expansion section through expansion, described two-sided hot melting connector (3) has outer molten wall (9), in molten wall (10) and be positioned at described outer molten wall (9), birdsmouth between the interior molten wall (10), the described section of exposing (6) is plugged in the described birdsmouth and by high-frequency induction heating and makes described inner plastic layer and described interior molten wall (10) welding, outer plastic layer and described outer molten wall (9) welding, and, be equipped with first seal ring (12) in the inboard of this groove clamping hoop (11) for the ring-type draw-in groove (5) of described metallic sheath outer wall disposes groove clamping hoop (11).
2. groove type HF hot melt multiunit tube joint according to claim 1, the external diameter that it is characterized in that described metallic sheath (2) equates that with the external diameter of described outer molten wall (9) described first seal ring (12) has the sealing surface (15) of contact described metallic sheath (2) outer wall and described outer molten wall (9) outer wall.
3. groove type HF hot melt multiunit tube joint according to claim 2 is characterized in that described sealing surface (15) is formed on two lip limits (16), has cavity (17) in the inboard on these two lip limits (16).
4. according to claim 2 or 3 described groove type HF hot melt multiunit tube joints, it is characterized in that the end of described metallic sheath (2) and the end abutment of described outer molten wall (9).
5. groove type HF hot melt multiunit tube joint according to claim 1 is characterized in that being equipped with second seal ring (7) between described composite pipe (1) and metallic sheath (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201977730U CN201688050U (en) | 2010-05-21 | 2010-05-21 | Groove type high-frequency hot-melting composite pipe connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201977730U CN201688050U (en) | 2010-05-21 | 2010-05-21 | Groove type high-frequency hot-melting composite pipe connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201688050U true CN201688050U (en) | 2010-12-29 |
Family
ID=43376330
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201977730U Expired - Fee Related CN201688050U (en) | 2010-05-21 | 2010-05-21 | Groove type high-frequency hot-melting composite pipe connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201688050U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106870863A (en) * | 2011-08-22 | 2017-06-20 | 维克托里克公司 | Expansion pipe |
| CN115355386A (en) * | 2022-09-21 | 2022-11-18 | 上海远洲管业科技股份有限公司 | Socket joint formula slot reducer union |
-
2010
- 2010-05-21 CN CN2010201977730U patent/CN201688050U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106870863A (en) * | 2011-08-22 | 2017-06-20 | 维克托里克公司 | Expansion pipe |
| CN115355386A (en) * | 2022-09-21 | 2022-11-18 | 上海远洲管业科技股份有限公司 | Socket joint formula slot reducer union |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101229 Termination date: 20110521 |