CN204692867U - Curvedly connect formula outer electromagnetic welding double tube structure and outerly curvedly connect formula joint - Google Patents
Curvedly connect formula outer electromagnetic welding double tube structure and outerly curvedly connect formula joint Download PDFInfo
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- CN204692867U CN204692867U CN201520389945.7U CN201520389945U CN204692867U CN 204692867 U CN204692867 U CN 204692867U CN 201520389945 U CN201520389945 U CN 201520389945U CN 204692867 U CN204692867 U CN 204692867U
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- adapter
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Abstract
The utility model belongs to connecting tube technical field, especially relates to a kind of curvedly connect formula outer electromagnetic welding double tube structure and outerly curvedly connecing formula joint.This is curved connects formula outer electromagnetic welding double tube structure and comprises and outerly curvedly connect formula joint and composite pipe, metal connecting sleeve is embedded with outside the outer curved adapter connecing formula joint, another is provided with socket pipe in taking over and the inner circumference of socket pipe is connected as a single entity with this adapter, composite pipe comprises metal tube layer and is compounded in the external tube layer in interior tube layer inside metal tube layer and outside, formed between nozzle inner wall and socket pipe outer wall and accept socket, this pipeline configuration also comprises stuffing box gland, one end that stuffing box gland is adjacent with adapter has ring packing plane, metal tube layer makes interior tube layer and socket pipe hot melt be integrated respectively after electromagnetic induction heating, external tube layer and adapter hot melt are integrated, and stuffing box gland and external tube layer hot melt are integrated.Advantage is: be beneficial to and improve sealing between body and joint.
Description
Technical field
The utility model belongs to connecting tube technical field, especially relates to a kind of curvedly connect formula outer electromagnetic welding double tube structure and outerly curvedly connecing formula joint.
Background technique
Multiple tube forms composite pipe by being compounded with metal layer in the middle of plastic tube and being connected and composed by joint, metal layer due to tubing mesosphere is airtight, has good resistance oxygen effect, can be directly used in direct drinking water project, and its internal and external layer is plastic material, there is extraordinary corrosion resistance.Therefore the purposes of multiple tube widely, and in oil, natural gas transport, work pipes for mining, water drinking tube, the various field of waste pipe etc. all can be applied.The metallic character of the connection general metal layer of its joint of current multiple tube and composite pipe, by electromagnetic welding, but be connected not tight between body with joint, easily there is gap in welding end, sealing is poor.
Etc. technological deficiency.
In order to improve prior art, people have carried out long-term exploration, propose various solution.Such as, Chinese patent literature discloses a kind of steel plastic composite structure wall tube [application number: CN200820158041.3], is made of welded connection by hot melt adhesive by the T-shaped band spiral winding of steel plastic compount, forms the U-shaped structural walls pipeline with stiffening rib.
Although such scheme to some extent solves the deficiencies in the prior art, be connected not tight between body with joint, easily there is gap in welding end, sealing is poor, and global design is reasonable not enough, poor practicability.
Model utility content
The purpose of this utility model is for the problems referred to above, provides a kind of reasonable in design, and structure is simple, be beneficial to and improve the curved of sealing between body and joint and connect the outer electromagnetic welding double tube structure of formula.
The purpose of this utility model is for the problems referred to above, and provide a kind of reasonable in design, structure is simple, curved the outer curved of formula outer electromagnetic welding double tube structure that connect that have of good airproof performance connects formula joint.
For achieving the above object, the utility model have employed following technical proposal: basis is curved connects the outer electromagnetic welding double tube structure of formula, it is characterized in that, comprise and outerly curvedly connect formula joint and composite pipe, metal connecting sleeve is embedded with outside the described outer curved adapter connecing formula joint, another is provided with socket pipe in taking over and the inner circumference of socket pipe is connected as a single entity with this adapter, described composite pipe comprises the metal tube layer be made up of electromagnetic induction heat generating material and the external tube layer being compounded in tube layer and outside in inside metal tube layer, it is characterized in that, formed between described nozzle inner wall and socket pipe outer wall and insert and the undertaking socket that adapts of shape and insertion composite pipe shape wherein for composite pipe, this pipeline configuration also comprises the stuffing box gland being set in composite pipe periphery, described stuffing box gland and the adjacent one end of adapter have ring packing plane and ring packing plane is arranged on the opening end end face of described undertaking socket, described metal tube layer makes interior tube layer and socket pipe hot melt be integrated respectively after electromagnetic induction heating, external tube layer and adapter hot melt are integrated, and stuffing box gland and external tube layer hot melt are integrated.Formed between adapter and socket pipe and accept socket, composite pipe inserts to be accepted in socket, the interior tube layer of composite pipe is formed as one the first order with the interior edge face hot melt accepting socket and seals, the external tube layer of composite pipe and the exterior edge face hot melt of undertaking socket are formed as one second level sealing, described stuffing box gland and adapter hot melt are formed as one third level sealing, composite pipe is connected closely with outer curved connecing between formula joint, welding end is not easy to occur gap, there are three grades of sealings, good airproof performance, global design is reasonable, practical, is beneficial to industrialization promotion.
Curvedly to connect in the outer electromagnetic welding double tube structure of formula above-mentioned, the adapter sidepiece being inside provided with socket pipe have at least one can make undertaking socket and the external world through and when can by the exhaust port of shutoff after hot melt.When socket pipe, between composite pipe and adapter during hot melt, hot gas is discharged by exhaust port, prevents hot melt place from producing bubble by the impact of gas, improves sealing.
Curvedly to connect in the outer electromagnetic welding double tube structure of formula above-mentioned, the outer end of described socket pipe extends to outside adapter; Inside the outer end of described socket pipe, there is circular cone.Circular cone is beneficial to the hot melt between socket pipe and composite pipe, and this extending end is as hot melt place.
Curvedly connect in the outer electromagnetic welding double tube structure of formula above-mentioned, the outer surface of described adapter has and axially extends and some raised lines of circumference distribution.Raised line improves the frictional force on adapter surface, is beneficial to adapter grips when composite pipe and adapter connect, and avoids occurring skidding.
Curvedly to connect in the outer electromagnetic welding double tube structure of formula above-mentioned, the described adapter being embedded with metal connecting sleeve takes over vertical setting with another.
Curvedly to connect in the outer electromagnetic welding double tube structure of formula above-mentioned, described metal tube layer is made of steel or iron, and described interior tube layer, external tube layer and the outer curved formula joint that connects are made up of hot melt material respectively.Steel or iron low price, and heating effect is good, good rigidly.
Curvedly connect in the outer electromagnetic welding double tube structure of formula above-mentioned, the inner of described undertaking socket forms planar annular, and described composite pipe inserts the interior edge face accepting socket one end and to fit on described planar annular and planar annular described in after hot melt and interior edge face disappear because hot melt material hot melt is integrated.
Curvedly connect in the outer electromagnetic welding double tube structure of formula above-mentioned, the external diameter of described composite pipe is 20mm-400mm.
Apply above-mentioned curved the outer curved of formula outer electromagnetic welding double tube structure that connect and connect formula joint, comprise the joint body with two adapters, it is characterized in that, metal connecting sleeve is embedded with wherein outside an adapter, the socket pipe that coaxially arranges with this adapter is provided with and the inner circumference of socket pipe is connected as a single entity with this adapter in another adapter, formed between described nozzle inner wall and socket pipe outer wall and insert and the undertaking socket that adapts of shape and insertion composite pipe shape wherein for composite pipe, the adapter sidepiece being inside provided with socket pipe have at least one can make undertaking socket and the external world through and when can by the exhaust port of shutoff after hot melt.Formed between adapter and socket pipe and accept socket, composite pipe inserts to be accepted in socket, the interior tube layer of composite pipe is formed as one the first order with the interior edge face hot melt accepting socket and seals, the external tube layer of composite pipe and the exterior edge face hot melt of undertaking socket are formed as one second level sealing, described stuffing box gland and adapter hot melt are formed as one third level sealing, and composite pipe is connected closely with outer curved connecing between formula joint, and welding end is not easy to occur gap, there are three grades of sealings, good airproof performance; Exhaust port is beneficial to discharges socket pipe, the hot gas that produces during hot melt between composite pipe and adapter, prevents hot melt place from producing bubble by the impact of gas, improves sealing.
Outer curvedly connect in formula joint above-mentioned, the outer end of described socket pipe extends to outside adapter; Inside the outer end of described socket pipe, there is circular cone.Circular cone is beneficial to the hot melt between socket pipe and composite pipe, and this extending end is as hot melt place.
Compared with prior art, this curvedly connects formula outer electromagnetic welding double tube structure and the outer curved advantage connecing formula joint is:
First, formed between adapter and socket pipe and accept socket, composite pipe inserts to be accepted in socket, the interior tube layer of composite pipe is formed as one the first order with the interior edge face hot melt accepting socket and seals, the external tube layer of composite pipe and the exterior edge face hot melt of undertaking socket are formed as one second level sealing, described stuffing box gland and adapter hot melt are formed as one third level sealing, composite pipe is connected closely with outer curved connecing between formula joint, welding end is not easy to occur gap, have three grades of sealings, good airproof performance, global design is reasonable, practical, be beneficial to industrialization promotion.
The second, when socket pipe, between composite pipe and adapter during hot melt, hot gas is discharged by exhaust port, prevents hot melt place from producing bubble by the impact of gas, improves sealing.
3rd, circular cone is beneficial to the hot melt between socket pipe and composite pipe, and this extending end is as hot melt place.
4th, raised line improves the frictional force on adapter surface, is beneficial to adapter grips when composite pipe and adapter connect, and avoid occurring skidding, metal tube layer is made of steel or iron, and steel or iron low price, reduce production cost, and heating effect is good, good rigidly.
Accompanying drawing explanation
Fig. 1 is the structural representation that the utility model provides.
In figure, outer curved connect formula joint 1, composite pipe 2, adapter 3, metal connecting sleeve 4, socket pipe 5, metal tube layer 6, interior tube layer 7, external tube layer 8, accept socket 9, stuffing box gland 10, exhaust port 11, circular cone 12, raised line 13, planar annular 14, interior edge face 15.
Embodiment
Embodiment
As shown in Figure 1, this is curved connects formula outer electromagnetic welding double tube structure and comprises and outerly curvedly connect formula joint 1 and composite pipe 2, metal connecting sleeve 4 is embedded with outside the outer curved adapter 3 connecing formula joint 1, socket pipe 5 is provided with and the inner circumference of socket pipe 5 is connected as a single entity with this adapter 3 in another adapter 3, composite pipe 2 comprises the metal tube layer 6 be made up of electromagnetic induction heat generating material and the external tube layer 8 being compounded in tube layer 7 and outside in inside metal tube layer 6, it is characterized in that, formed between adapter 3 inwall and socket pipe 5 outer wall and insert and the undertaking socket 9 that adapts of shape and insertion composite pipe 2 shape wherein for composite pipe 2, this pipeline configuration also comprises the stuffing box gland 10 being set in composite pipe 2 periphery, one end that stuffing box gland 10 is adjacent with adapter 3 has ring packing plane and ring packing plane is arranged on the opening end end face of described undertaking socket 9, metal tube layer 6 makes interior tube layer 7 be integrated with socket pipe 5 hot melt respectively after electromagnetic induction heating, external tube layer 8 and adapter 3 hot melt are integrated, and stuffing box gland 10 is integrated with external tube layer 8 hot melt.Formed between adapter 3 and socket pipe 5 and accept socket 9, composite pipe 2 inserts to be accepted in socket 9, the interior tube layer 7 of composite pipe 2 is formed as one the first order with interior edge face 15 hot melt accepting socket 9 and seals, the external tube layer 8 of composite pipe 2 and the exterior edge face hot melt of undertaking socket 9 are formed as one second level sealing, stuffing box gland 10 and adapter 3 hot melt are formed as one third level sealing, composite pipe 2 is connected closely with outer curved connecing between formula joint 1, welding end is not easy to occur gap, there are three grades of sealings, good airproof performance, global design is reasonable, practical, is beneficial to industrialization promotion.
Wherein, adapter 3 sidepiece being inside provided with socket pipe 5 has at least one can make undertaking socket 9 and the external world through and when can by the exhaust port 11 of shutoff after hot melt.When socket pipe 5, between composite pipe 2 and adapter 3 during hot melt, hot gas is discharged by exhaust port 11, prevents hot melt place from producing bubble by the impact of gas, improves sealing.Improve as one, the outer end of socket pipe 5 extends to outside adapter 3; There is inside the outer end of socket pipe 5 circular cone 12.Circular cone 12 is beneficial to the hot melt between socket pipe 5 and composite pipe 2, and this extending end is as hot melt place.More particularly, the inner of accepting socket 9 forms planar annular 14, and composite pipe 2 inserts to be accepted the interior edge face 15 of socket 9 one end and to fit on described planar annular 14 and when planar annular after hot melt 14 and interior edge face 15 disappear because hot melt material hot melt is integrated.Improve as one, the outer surface of adapter 3 has axially extension and some raised lines 13 of circumference distribution.Raised line 13 improves the frictional force on adapter surface, is beneficial to adapter grips when composite pipe and adapter connect, and avoids occurring skidding.Improve as one, adapter 3 is vertical arranges with another in the adapter 3 being embedded with metal connecting sleeve 4.Metal tube layer 6 is made of steel or iron, and interior tube layer 7, external tube layer 8 and the outer curved formula joint 1 that connects are made up of hot melt material respectively.Steel or iron low price, and heating effect is good, good rigidly.The external diameter of composite pipe 2 is 20mm-400mm.
Originally there is curved the outer curved of formula outer electromagnetic welding double tube structure that connect and connect formula joint, comprise the joint body with two adapters 3, it is characterized in that, metal connecting sleeve 4 is embedded with wherein outside an adapter 3, the coaxial socket pipe 5 that arranges with this adapter 3 is provided with and the inner circumference of socket pipe 5 is connected as a single entity with this adapter 3 in another adapter 3, formed between adapter 3 inwall and socket pipe 5 outer wall and insert and the undertaking socket 9 that adapts of shape and insertion composite pipe 2 shape wherein for composite pipe 2, adapter 3 sidepiece being inside provided with socket pipe 5 has at least one can make undertaking socket 9 and the external world through and when can by the exhaust port 11 of shutoff after hot melt.Formed between adapter 3 and socket pipe 5 and accept socket, composite pipe inserts to be accepted in socket, the interior tube layer of composite pipe is formed as one the first order with the interior edge face hot melt accepting socket 9 and seals, the external tube layer 8 of composite pipe 2 and the exterior edge face hot melt of undertaking socket 9 are formed as one second level sealing, stuffing box gland 10 and adapter 3 hot melt are formed as one third level sealing, and composite pipe 2 is connected closely with outer curved connecing between formula joint 1, and welding end is not easy to occur gap, there are three grades of sealings, good airproof performance; Exhaust port 11 is beneficial to discharges socket pipe 5, the hot gas that produces during hot melt between composite pipe 2 and adapter 3, prevents hot melt place from producing bubble by the impact of gas, improves sealing.The outer end of socket pipe 5 extends to outside adapter 3; There is inside the outer end of socket pipe 5 circular cone 12.Circular cone 12 is beneficial to the hot melt between socket pipe 5 and composite pipe 2, and this extending end is as hot melt place.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various amendment or supplements or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present utility model or surmount the scope that appended claims defines.
Although more employ and outerly curvedly connect formula joint 1, composite pipe 2, adapter 3, metal connecting sleeve 4, socket pipe 5, metal tube layer 6, interior tube layer 7, external tube layer 8, accept the term such as socket 9, stuffing box gland 10, exhaust port 11, circular cone 12, raised line 13, planar annular 14, interior edge face 15, do not get rid of the possibility using other term herein.These terms are used to be only used to describe and explain essence of the present utility model more easily; The restriction that they are construed to any one additional is all contrary with the utility model spirit.
Claims (10)
1. one kind curvedly connects the outer electromagnetic welding double tube structure of formula, comprise and outerly curvedly connect formula joint (1) and composite pipe (2), metal connecting sleeve (4) is embedded with outside the described outer curved adapter (3) connecing formula joint (1), socket pipe (5) is provided with and the inner circumference of socket pipe (5) is connected as a single entity with this adapter (3) in another adapter (3), described composite pipe (2) comprises the external tube layer (8) in the metal tube layer (6) be made up of electromagnetic induction heat generating material and the interior tube layer (7) be compounded in inside metal tube layer (6) and outside, it is characterized in that, formed between described adapter (3) inwall and socket pipe (5) outer wall and insert and the undertaking socket (9) that adapts of shape and insertion composite pipe wherein (2) shape for composite pipe (2), this pipeline configuration also comprises the stuffing box gland (10) being set in composite pipe (2) periphery, described stuffing box gland (10) and adapter (3) adjacent one end have ring packing plane and ring packing plane is arranged on the opening end end face of described undertaking socket (9), described metal tube layer (6) makes interior tube layer (7) and socket pipe (5) hot melt be integrated respectively after electromagnetic induction heating, external tube layer (8) is integrated with adapter (3) hot melt, and stuffing box gland (10) is integrated with external tube layer (8) hot melt.
2. according to claim 1ly curvedly connect the outer electromagnetic welding double tube structure of formula, it is characterized in that, adapter (3) sidepiece being inside provided with socket pipe (5) has at least one can make undertaking socket (9) and the external world through and when can by the exhaust port of shutoff (11) after hot melt.
3. according to claim 1 and 2ly curvedly connect the outer electromagnetic welding double tube structure of formula, it is characterized in that, the outer end of described socket pipe (5) extends to adapter (3) outward; Inside the outer end of described socket pipe (5), there is circular cone (12).
4. according to claim 3ly curvedly connect the outer electromagnetic welding double tube structure of formula, it is characterized in that, the outer surface of described adapter (3) has and axially extends and some raised lines (13) of circumference distribution.
5. according to claim 3ly curvedly connect the outer electromagnetic welding double tube structure of formula, it is characterized in that, the described adapter (3) being embedded with metal connecting sleeve (4) takes over another that (3) are vertical to be arranged.
6. according to claim 3ly curvedly connect the outer electromagnetic welding double tube structure of formula, it is characterized in that, described metal tube layer (6) is made of steel or iron, and described interior tube layer (7), external tube layer (8) and the outer curved formula joint (1) that connects are made up of hot melt material respectively.
7. according to claim 6ly curvedly connect the outer electromagnetic welding double tube structure of formula, it is characterized in that, the inner of described undertaking socket (9) forms planar annular (14), and described composite pipe (2) inserts the interior edge face (15) accepting socket (9) one end and fits in described planar annular (14) upper and planar annular (14) described in after hot melt and interior edge face (15) and disappear because hot melt material hot melt is integrated.
8. according to claim 3ly curvedly connect the outer electromagnetic welding double tube structure of formula, it is characterized in that, the external diameter of described composite pipe (2) is 20mm-400mm.
9. curved the outer curved of formula outer electromagnetic welding double tube structure that connect be applied in claim 1-8 described in any one connects formula joint, comprise the joint body with two adapters (3), it is characterized in that, metal connecting sleeve (4) is embedded with wherein outside an adapter (3), the coaxial socket pipe (5) that arranges with this adapter (3) is provided with and inner circumferential and this adapter (3) of socket pipe (5) is connected as a single entity in another adapter (3), formed between described adapter (3) inwall and socket pipe (5) outer wall and insert and the undertaking socket (9) that adapts of shape and insertion composite pipe wherein (2) shape for composite pipe (2), adapter (3) sidepiece being inside provided with socket pipe (5) has at least one can make undertaking socket (9) and the external world through and when can by the exhaust port of shutoff (11) after hot melt.
10. according to claim 9ly outerly curvedly connect formula joint, it is characterized in that, the outer end of described socket pipe (5) extends to adapter (3) outward; Inside the outer end of described socket pipe (5), there is circular cone (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520389945.7U CN204692867U (en) | 2015-06-08 | 2015-06-08 | Curvedly connect formula outer electromagnetic welding double tube structure and outerly curvedly connect formula joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520389945.7U CN204692867U (en) | 2015-06-08 | 2015-06-08 | Curvedly connect formula outer electromagnetic welding double tube structure and outerly curvedly connect formula joint |
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| Publication Number | Publication Date |
|---|---|
| CN204692867U true CN204692867U (en) | 2015-10-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520389945.7U Expired - Fee Related CN204692867U (en) | 2015-06-08 | 2015-06-08 | Curvedly connect formula outer electromagnetic welding double tube structure and outerly curvedly connect formula joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204692867U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106594443A (en) * | 2016-11-07 | 2017-04-26 | 浙江楠丰管道工业有限公司 | Electromagnetic induction hot-melting pipe connecting structure and pipe connecting method based on internal expansion type movable sleeve |
-
2015
- 2015-06-08 CN CN201520389945.7U patent/CN204692867U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106594443A (en) * | 2016-11-07 | 2017-04-26 | 浙江楠丰管道工业有限公司 | Electromagnetic induction hot-melting pipe connecting structure and pipe connecting method based on internal expansion type movable sleeve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151007 Termination date: 20180608 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |