CN218178243U - Sealed antiseep electric smelting pipe fitting - Google Patents
Sealed antiseep electric smelting pipe fitting Download PDFInfo
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- CN218178243U CN218178243U CN202222524692.2U CN202222524692U CN218178243U CN 218178243 U CN218178243 U CN 218178243U CN 202222524692 U CN202222524692 U CN 202222524692U CN 218178243 U CN218178243 U CN 218178243U
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Abstract
The application relates to the technical field of electric smelting pipe fitting, especially relates to a sealed antiseep electric smelting pipe fitting. The electric heating fuse structure comprises a pipe fitting body, wherein an electric heating fuse area is arranged on the inner wall of the pipe fitting body, electric heating fuses are distributed at the position of the electric heating fuse area around the axis of the pipe fitting body, a binding post connected with the electric heating fuses is arranged on the pipe wall of the pipe fitting body, a first sealing rubber ring is arranged on the inner wall of the pipe fitting body, the first sealing rubber ring is close to the end part of the pipe fitting body, the first sealing rubber ring, the binding post and the electric heating fuse area are sequentially arranged along the direction of one end part of the pipe fitting body towards the middle part of the pipe fitting body, a water stop ring groove is formed in the side surface of the binding post, and the water stop ring groove is located in the pipe wall of the pipe fitting body. This application has the effect of promoting the leakproofness of electric smelting pipe fitting terminal department.
Description
Technical Field
The application relates to the technical field of electric smelting pipe fitting, especially relates to a sealed antiseep electric smelting pipe fitting.
Background
The electric melting pipe fitting is a plastic pipe fitting which can be melted by the temperature generated by current to achieve a connecting function. The electric melting pipe fitting is usually used as a welding sleeve of a pure plastic pipe or a plastic composite pipe in daily life, the welding principle of the electric melting pipe fitting is to insert a pipe to be welded into the electric melting pipe fitting, an electric melting welder is used for electrifying a binding post, an electric melting wire embedded in an electric melting area in the electric melting pipe fitting is electrified to generate heat, the heat energy melts the connecting surfaces of the electric melting pipe fitting and the pipe, and the electric melting pipe fitting and the pipe are welded and sealed after cooling and solidification.
The inner wall that electric smelting pipe fitting tip and tubular product contacted can install sealed rubber ring, seals the gap between tubular product and the electric smelting pipe fitting.
In view of the above-mentioned related technologies, the inventor found that after a terminal is powered on, an electrothermal fuse between the terminal and an electrothermal fusion region melts surrounding plastics to form a passage, once the electrothermal fusion region is incompletely fused to form a gap, when the pipe is used subsequently, a pressure medium such as water, oil and the like in the pipe flows to the vicinity of the terminal through the gap of the electrothermal fusion region, and a micro gap inevitably exists between the terminal and the plastics of the electrofusion pipe, and because the inner wall of the end of the electrofusion pipe and the pipe are sealed by a sealing rubber ring, the pressure medium flowing out from the gap in the electrothermal fusion region directly overflows to the outer wall of the electrofusion pipe along the side wall of the terminal to cause leakage.
SUMMERY OF THE UTILITY MODEL
In order to promote the leakproofness of electric smelting pipe fitting terminal department, this application provides a sealed antiseep electric smelting pipe fitting.
The application provides a sealed antiseep electric smelting pipe fitting adopts following technical scheme:
the utility model provides a sealed antiseep electric smelting pipe fitting, includes the pipe fitting body, the inner wall of pipe fitting body is provided with the electric heat fuse regional, the electric heat fuse regional department winds the axle center of pipe fitting body distributes and has the electric heat fuse, be provided with on the pipe wall of pipe fitting body with the terminal that the electric heat fuse is connected, the inner wall of pipe fitting body is provided with sealed rubber ring one, sealed rubber ring one is close to the tip of pipe fitting body, sealed rubber ring one the terminal the electric heat fuse is regional to be followed pipe fitting body a tip orientation the direction at pipe fitting body middle part sets gradually, the stagnant water annular has been seted up to the side of terminal, the stagnant water annular is located in the pipe wall of pipe fitting body.
By adopting the technical scheme, the pipe to be welded is inserted into one end of the pipe body, which is provided with the electric hot melting area, the electric hot melting welding machine is used for electrifying the wiring terminal, the electric hot melting wire is electrified to generate heat, the pipe body and the pipe are positioned at the electric hot melting area, the plastic on the connecting surface layer is melted, the pipe body and the pipe are welded and sealed after cooling and solidification, the axial displacement resistance performance of the connection between the pipe body and the pipe is enhanced by using the sealing connection mode of the electric hot melting, and the sealing performance between the pipe body and the pipe is improved. The first sealing rubber ring enhances the sealing effect between the pipe and the pipe body, when a gap occurs due to poor electric hot-melting welding, the occurrence of the condition that pressure medium leaks to the outside of the pipe body through the pipe and the pipe body is reduced, the sealing ring groove increases the sealing effect between the pipe body plastic and the binding post, and the occurrence of the condition that the pressure medium leaks to the outer wall of the pipe body through the gap between the binding post and the pipe body plastic is reduced.
In a specific possible embodiment, the water stop ring groove is internally sleeved with a sealing element.
Through adopting above-mentioned technical scheme, the leakproofness between terminal and pipe fitting body plastics has been promoted to the sealing member, when the electrothermal welding welds badly and when appearing the gap, has reduced the emergence of pressure medium to the pipe fitting body outer wall condition through the clearance seepage between terminal and pipe fitting body plastics.
In a specific implementation scheme, a counter bore is formed in the joint of the outer wall of the pipe fitting body and the binding post, threads are formed in the side face of the binding post, a sealing cap is connected to the binding post in a threaded mode, and when the sealing cap is connected to the binding post in a screwed mode, the sealing cap extends into the counter bore and is used for abutting against the inner bottom wall of the counter bore.
Through adopting above-mentioned technical scheme, sealed cap thread seal terminal, and sealed cap support tight counter bore's inner diapire, increased the leakproofness of terminal with pipe fitting body outer wall junction when protecting the terminal, be favorable to reducing the emergence of pressure medium along the terminal seepage to the pipe fitting body outside condition.
In a specific possible implementation mode, a second sealing rubber ring is arranged between the inner bottom wall of the counter bore and the sealing cap.
Through adopting above-mentioned technical scheme, will seal rubber ring two by support tightly between counterbore inner bottom wall and sealing cap, be the leakproofness of terminal and pipe fitting body outer wall junction further promoted, be favorable to reducing the emergence of pressure medium along the terminal seepage to the pipe fitting body outside condition.
In a specific embodiment, the terminal is provided with an anti-rotation block on the pipe wall of the pipe body.
Through adopting above-mentioned technical scheme, prevent that the piece sets up to non-circular and be connected with the pipe wall of pipe fitting body soon, strengthened terminal and this body coupling's of pipe fitting reliability, avoided when will seal the cap and connect soon on the terminal because of the atress take place to rotate the clearance increase between terminal and the pipe fitting body that causes.
In a specific implementation scheme, a terminal protection tube is arranged on the outer wall of the pipe fitting body, the terminal is located in the terminal protection tube, a sealing cover is arranged at one end, deviating from the counter bore, of the sealing cap, and when the sealing cap is screwed to the terminal, the sealing cover is used for abutting against the terminal protection tube.
Through adopting above-mentioned technical scheme, the part that terminal protection tube protection terminal is located the pipe fitting body outer wall outside avoids injury such as striking, pressure bend, and the back is screwed to sealed cap, and sealed lid seals the space that the terminal protection tube surrounds, is favorable to reducing the emergence of pressure medium along the terminal seepage to the pipe fitting body outside condition.
In a specific practical embodiment, one side of the sealing cover facing the counter bore is provided with a sealing rubber ring III.
Through adopting above-mentioned technical scheme, sealed rubber ring three is supported tightly between sealed lid and terminal protection pipe, has strengthened the sealed effect of sealed lid to the terminal protection pipe, is favorable to reducing the pressure medium along the emergence of terminal seepage to the pipe fitting body outside condition.
In a specific embodiment, the side of terminal is provided with the wire winding annular groove that is used for twining the electrothermal fuse, the wire winding annular groove is located the stagnant water annular groove with between the inner wall of pipe fitting body, the through wires hole has been seted up on the wire winding annular groove, the electrothermal fuse is connected the through wires hole.
By adopting the technical scheme, the electrothermal fuse wire penetrates through the threading hole and is wound on the winding ring groove, so that the reliability of connection between the electrothermal fuse wire and the wiring terminal is improved.
In summary, the present application includes at least one of the following beneficial technical effects:
1. by arranging the binding post and the electrothermal fuse, the axial displacement resistance of the connection between the pipe fitting body and the pipe is enhanced, and the sealing property between the pipe fitting body and the pipe is improved;
2. by arranging the water stop ring groove and the sealing element, the sealing property between the wiring terminal and the plastic of the pipe fitting body is improved, and when gaps occur due to poor electric hot-melt welding, the situation that pressure media leaks to the outer wall of the pipe fitting body through gaps between the wiring terminal and the plastic of the pipe fitting body is reduced;
3. by arranging the second sealing rubber ring, the third sealing rubber ring, the sealing cap and the sealing cover, the sealing performance of the joint of the wiring terminal and the outer wall of the pipe fitting body is improved, the space surrounded by the wiring terminal protective sleeve is sealed, and the situation that pressure media leaks to the outer side of the pipe fitting body along the wiring terminal is favorably reduced;
4. the anti-seepage ring groove and the sealing rubber ring I are arranged, so that sealing between the pipe and the pipe fitting body is enhanced, and when gaps occur due to poor electric hot-melting welding, the situation that pressure media leak out of the pipe fitting body through the pipe and the pipe fitting body is reduced.
Drawings
Fig. 1 is a structural cross-sectional view of an embodiment of the present application for embodying a sealed and leak-proof electrofusion pipe fitting.
Fig. 2 is a partially enlarged schematic view of a portion a in fig. 1.
Fig. 3 is a schematic diagram for showing the structure of the wiring terminal, the sealing cap and the sealing cover in the embodiment of the application.
Reference number specification, 1, pipe body; 11. an anti-seepage ring groove; 111. a first sealing rubber ring; 12. an electric hot melting area; 13. a counter bore; 14. a terminal post protection tube; 15. an annular insertion stop block; 2. an electrothermal fuse; 3. a binding post; 31. a water stopping ring groove; 32. a winding ring groove; 33. threading holes; 34. a thread; 35. an anti-rotation block; 4. a rubber seal ring; 5. a second sealing rubber ring; 6. a sealing cap; 61. a sealing cover; 7. a third sealing rubber ring; 8. a pipe.
Detailed Description
The present application is described in further detail below with reference to figures 1-3.
The embodiment of the application discloses a sealed antiseep electric smelting pipe fitting.
Referring to fig. 1 and 2, a sealed anti-leakage electric melting pipe fitting comprises a pipe fitting body 1, an anti-seepage ring groove 11 is formed in the inner wall of the pipe fitting body 1, a first sealing rubber ring 111 is installed in the anti-seepage ring groove 11, the first sealing rubber ring 111 is close to the end portion of the pipe fitting body 1, an electric melting region 12 is arranged on the inner wall of the pipe fitting body 1, electric heating fuses 2 are distributed in the electric melting region 12 in a spiral mode and are uniformly distributed in the electric melting region around the axis of the pipe fitting body 1, binding posts 3 connected with the electric heating fuses 2 are arranged in the pipe wall of the pipe fitting body 1, the axis of the binding posts 3 is perpendicular to and intersected with the axis of the pipe fitting body 1, and the sealing rubber ring 111, the binding posts 3 and the electric melting region 12 are sequentially arranged along the direction of one end portion of the pipe fitting body 1 towards the middle portion of the pipe fitting body 1. The quantity of terminal 3 sets up to two in this embodiment, and two terminal 3 stretch out the outer wall of pipe fitting body 1 along the axle center symmetric distribution of pipe fitting body 1 in the both sides of pipe fitting body 1, and stagnant water annular 31 has been seted up to terminal 3's side, and stagnant water annular 31 is located the pipe wall of pipe fitting body 1, and the quantity of this embodiment stagnant water annular 31 sets up to one, and stagnant water annular 31 can set up a plurality ofly in other embodiments. The sealing member is sleeved in the water stop ring groove 31, and the sealing member in this embodiment is a high temperature resistant rubber sealing ring 4.
When the welding device is in actual use, a worker inserts a pipe 8 to be welded into one end, provided with an electrothermal welding area 12, of the pipe body 1, the electric welding welder is used for electrifying the wiring terminal 3, the electrothermal welding wire 2 is electrified to generate heat, the connecting surface layer plastic of the pipe body 1 and the pipe 8, located in the electrothermal welding area 12, is molten, the pipe body 1 and the pipe 8 are welded and sealed after cooling and solidification, the axial displacement resistance performance of the connection between the pipe body 1 and the pipe 8 is enhanced by using the electrothermal welding sealing connection mode, and the sealing performance of the connection between the pipe body 1 and the pipe 8 is improved. When poor messenger's pipe fitting body 1 and tubular product 8 appear the gap when the electric heat melts the welding, sealed rubber ring 111 has strengthened the sealed between tubular product 8 and pipe fitting body 1, has reduced the emergence of the condition that pressure medium leaked outside pipe fitting body 1 between tubular product 8 and pipe fitting body 1. When pressure medium flowing in the pipe 8 leaks to the outside of the pipe body 1 along the gap between the binding post 3 and the pipe body 1, the pressure medium needs to be led to the water stop ring groove 31, and compared with the situation that the water stop ring groove 31 is not arranged on the binding post 3, the water stop ring groove 31 lengthens the path through which the pressure medium flows, and the leakage of the pressure medium is blocked to a certain extent. The water stopping ring groove 31 increases the water stopping tightness of the binding post 3, and reduces the occurrence of the condition that pressure medium leaks to the outer wall of the pipe fitting body 1 through the gap between the binding post 3 and the plastic of the pipe fitting body 1.
Install high temperature resistant rubber seal 4 in stagnant water annular 31, promoted the leakproofness between terminal 3 and pipe fitting body 1 plastics, when the electrothermal welding is bad and the gap appears, reduced the emergence of pressure medium through the clearance seepage to the 1 outer wall condition of pipe fitting body between terminal 3 and pipe fitting body 1 plastics.
Referring to fig. 2, a winding ring groove 32 is formed in a section of the terminal 3 facing the inner wall of the pipe fitting body 1, a threading hole 33 penetrating through the terminal 3 is formed in the winding ring groove 32, the axis of the threading hole 33 is perpendicular to and intersects with the axis of the terminal 3, and one end of the electrothermal fuse 2 penetrates through the threading hole 33 and is wound and fixed in the winding ring groove 32. The electric heating fuse 2 passes through the threading hole 33 and is wound on the winding ring groove 32, so that the reliability of connection between the electric heating fuse 2 and the wiring terminal 3 is improved.
Referring to fig. 2 and 3, a counter bore 13 is formed at the joint of the outer wall of the pipe fitting body 1 and the terminal 3, the axis of the terminal 3 is collinear with the axis of the counter bore 13, a second sealing rubber ring 5 is arranged on the inner bottom wall of the counter bore 13, and the second sealing rubber ring 5 is sleeved on the terminal 3.
The outer wall of the pipe fitting body 1 is integrally formed with a terminal protection pipe 14, the terminal 3 is located in the terminal protection pipe 14, and the inner wall of the terminal protection pipe 14 is coplanar with the inner side wall of the counter bore 13. The terminal 3 has seted up screw thread 34 towards the one section side that the pipe wall worn out sealed rubber ring two 5 outward, threaded connection has sealed cap 6 on the terminal 3, sealed cap 6 deviates from the one end integrated into one piece of counter bore 13 has sealed lid 61, the diameter of sealed cap 6 is less than the diameter of sealed lid 61, sealed lid 61 is provided with sealed rubber ring three 7 towards the one side of counter bore 13, the outside at sealed cap 6 is established to sealed rubber ring three 7 cover, the diameter of sealed cap 6 is less than the diameter of terminal protection tube 14, when sealed cap 6 connects on terminal 3 soon and can't continue the rotation towards counter bore 13, sealed cap 6 stretches into in the counter bore 13 and supports sealed rubber ring two 5 tightly, sealed rubber ring three 7 supports tightly between the terminal surface of terminal protection tube 14 and sealed lid 61.
The terminal protection tube 14 protects the portion of the terminal 3 located outside the outer wall of the pipe body 1 from being damaged by impact, bending, and the like. Offer counter bore 13 and at counter bore 13 bottom wall installation sealed rubber ring two 5, the sealed cap 6 thread seal terminal 3, and support sealed rubber ring two 5 tightly at counter bore 13 diapire, the leakproofness of terminal 3 and the outer wall junction of pipe fitting body 1 has been increased, sealed rubber ring three 7 is supported tightly between sealed lid 61 and terminal protection pipe 14, the space that surrounds between sealed lid 61 and the terminal protection pipe 14 is sealed, be favorable to reducing the emergence of pressure medium along the terminal 3 seepage to the pipe fitting body 1 outside condition.
Referring to fig. 2 and 3, the side of terminal 3 is located pipe wall of pipe fitting body 1 and integrated into one piece has the piece 35 of preventing revolving, prevent revolving the side that piece 35 salient terminal 3, prevent revolving one side that piece 35 is located two 5 sealing rubber ring towards pipe fitting body 1 inner walls, prevent revolving the surface contact of piece 35 and sealing rubber ring two 5, prevent in this embodiment revolving the radial cross-section along terminal 3 of piece 35 and set up to the square, prevent revolving the setting of piece 35 and avoided terminal 3 at pipe fitting body 1 internal rotation when revolving terminal 3 with sealing cap 6.
Referring to fig. 1, an annular insertion stop 15 is integrally formed on the inner wall of the middle portion of the pipe body 1, the annular insertion stop 15 is located outside the electric hot melting region 12, when the pipe 8 to be welded is in the pipe body 1, the end portion of the pipe 8 abuts against the annular insertion stop 15, and the annular insertion stop 15 limits the pipe 8 in one direction along the axial direction of the pipe body 1.
In actual use, the electric melting region 12 in this embodiment may be provided at one end of the pipe body 1 or the electric melting regions 12 in this embodiment may be provided at both ends of the pipe body as needed to weld the pipe 8. When only the electric hot melting region 12 in this embodiment is arranged at one end of the pipe body 1, the pipe 8 can be inserted at the other end of the pipe body 1 and connected in a hot melting manner to seal or directly integrate the pipe 8, so that the production cost is reduced, and the use convenience is improved.
The implementation principle of the sealed anti-leakage electric melting pipe fitting in the embodiment of the application is as follows:
a part of the binding post 3 is arranged in the pipe wall of the pipe fitting body 1 through a counter bore 13, the electric heating fuse 2 passes through a threading hole 33 and is wound in a winding ring groove 32 to be fixed with the binding post 3, a rubber sealing ring 4 is arranged in a water stopping ring groove 31, a sealing rubber ring II 5 is arranged in the counter bore 13 and is sleeved with the binding post 3, a sealing cap 6 is screwed with the binding post 3, a sealing cover 61 abuts against a sealing rubber ring III 7 on a binding post protection pipe 14, and the sealing cap 6 is inserted into the binding post protection pipe 14 and abuts against the sealing rubber ring II 5;
the pipe 8 to be welded is inserted into the pipe body 1, the electric hot-melting welding machine is used for electrifying the binding post 3, the electric hot-melting wire 2 is electrified to generate heat, the electric hot-melting area 12 of the pipe is melted with the joint surface of the pipe 8, the pipe is welded and sealed after cooling and solidification, and the sealing rubber ring I111 in the anti-seepage groove is tightly abutted against the pipe 8.
The embodiments of the present invention are preferred embodiments of the present application, and the scope of protection of the present application is not limited by the embodiments, so: equivalent changes in structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a sealed antiseep electric smelting pipe fitting, includes pipe fitting body (1), the inner wall of pipe fitting body (1) is provided with electric hot melt region (12), electric hot melt region (12) department winds the axle center distribution of pipe fitting body (1) has electric hot melt silk (2), be provided with on the pipe wall of pipe fitting body (1) with terminal (3) that electric hot melt silk (2) are connected, its characterized in that: the inner wall of pipe fitting body (1) is provided with sealed rubber ring one (111), sealed rubber ring one (111) are close to the tip of pipe fitting body (1), sealed rubber ring one (111) terminal (3) electric hot melting is regional (12) is followed pipe fitting body (1) a tip orientation the direction at pipe fitting body (1) middle part sets gradually, stagnant water annular (31) have been seted up to the side of terminal (3), stagnant water annular (31) are located in the pipe wall of pipe fitting body (1).
2. A sealed leak-proof electrofusion pipe fitting according to claim 1, characterised in that: and a sealing element is sleeved in the water stopping ring groove (31).
3. A sealed leak-proof electrofusion pipe fitting according to claim 1, characterised in that: the pipe fitting is characterized in that a counter bore (13) is formed in the joint of the outer wall of the pipe fitting body (1) and the terminal (3), threads (34) are formed in the side face of the terminal (3), a sealing cap (6) is connected to the terminal (3) in a threaded mode, the sealing cap (6) is connected to the terminal (3) in a rotating mode, and the sealing cap (6) stretches into the counter bore (13) and is used for abutting against the inner bottom wall of the counter bore (13).
4. A sealed leak-proof electrofusion pipe fitting according to claim 3, characterised in that: and a second sealing rubber ring (5) is arranged between the inner bottom wall of the counter bore (13) and the sealing cap (6).
5. A sealed leak-proof electrofusion pipe fitting according to claim 1, characterised in that: the wiring terminal (3) is positioned on the pipe wall of the pipe fitting body (1) and is provided with an anti-rotation block (35).
6. A sealed leak-proof electrofusion pipe fitting according to claim 3, characterised in that: be provided with terminal protection tube (14) on the outer wall of pipe fitting body (1), terminal (3) are located in terminal protection tube (14), sealed cap (6) deviate from the one end of counter bore (13) is provided with sealed lid (61), sealed cap (6) connect soon during terminal (3), sealed lid (61) are used for supporting tightly terminal protection tube (14).
7. A sealed, leak-proof electrofusion pipe fitting, according to claim 6, characterised in that: and a third sealing rubber ring (7) is arranged on one surface of the sealing cover (61) facing the counter bore (13).
8. A sealed leak-proof electrofusion pipe fitting according to claim 1, characterised in that: the side of terminal (3) is provided with wire winding annular (32) that are used for twining electric heat fuse (2), wire winding annular (32) are located stagnant water annular (31) with between the inner wall of pipe fitting body (1), through wires hole (33) has been seted up on wire winding annular (32), electric heat fuse (2) are connected through wires hole (33).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222524692.2U CN218178243U (en) | 2022-09-23 | 2022-09-23 | Sealed antiseep electric smelting pipe fitting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222524692.2U CN218178243U (en) | 2022-09-23 | 2022-09-23 | Sealed antiseep electric smelting pipe fitting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218178243U true CN218178243U (en) | 2022-12-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222524692.2U Active CN218178243U (en) | 2022-09-23 | 2022-09-23 | Sealed antiseep electric smelting pipe fitting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218178243U (en) |
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2022
- 2022-09-23 CN CN202222524692.2U patent/CN218178243U/en active Active
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