CN211344385U - High-toughness plastic electric melting different-diameter direct pipe fitting - Google Patents
High-toughness plastic electric melting different-diameter direct pipe fitting Download PDFInfo
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- CN211344385U CN211344385U CN201922466056.7U CN201922466056U CN211344385U CN 211344385 U CN211344385 U CN 211344385U CN 201922466056 U CN201922466056 U CN 201922466056U CN 211344385 U CN211344385 U CN 211344385U
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- connecting pipe
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- electric smelting
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Abstract
The utility model discloses a high tenacity plastics electric smelting reducing direct pipe fitting relates to plastic tubing electric smelting connection technical field, this high tenacity plastics electric smelting reducing direct pipe fitting, including connecting the pipe fitting, connect the pipe fitting and divide into skin, intermediate level and inlayer, the embedded first connecting pipe that is equipped with of one end of connecting the pipe fitting, and the one end other end of connecting the pipe fitting inlays and is equipped with the second connecting pipe, and the one end of connecting the pipe fitting is close to the opening part and extends and be provided with the protective sheath, and the embedded electric fusion welding machine contact jaw that is equipped with of protective sheath. This direct pipe fitting of high tenacity plastics electric smelting reducing diameter, electric smelting pipe fitting heat in the pipe wall when carrying out the fused heating wire, thereby reduce the heater strip and move down and the danger of intertwine production short circuit, the sloping in the middle of the connecting piece can prevent that melting expanding material from dropping and leading to the sealing of link opening part, and the square groove of its outer wall sets up the flow that increases melting expanding material and increases its fixed effect and leakproofness.
Description
Technical Field
The utility model relates to a plastic tubing electric smelting connects technical field, specifically is a direct pipe fitting of high tenacity plastics electric smelting reducing.
Background
At present, a PE pipeline system is widely applied to the fields of water supply, gas, chemical industry and the like, electric melting connection is used for connecting PE pipelines in a large amount due to the characteristics of reliable connection, convenience in construction and visual inspection of welding quality, and for visually inspecting electric melting welding, an observation hole is formed in the periphery of an electric melting pipe fitting and consists of a hole-shaped cavity and a rod-shaped observation column in the hole-shaped cavity. The electric smelting pipe fitting is only provided with an electric heating wire for heating and melting in the pipe wall in the prior art, whether the connecting pipes on two sides are connected to the innermost end is uncertain, the internal adhesion is unstable, the heating wire on the inner wall of the electric smelting pipe fitting is heated, so that the melting material expands and falls, the heating wire is under the weight of the melting material and cannot be in an original fixed state, thereby possibly winding each other to generate short circuit after the heating wire falls, the end surfaces of the connecting ends of the two connected pipe fittings cannot be sufficiently melted and connected, a gap is formed between the end surfaces of the two connected connecting ends, and the potential safety hazard is not thoroughly caused for the connection of the pipe fittings by the connection formed by the gap.
SUMMERY OF THE UTILITY MODEL
The utility model provides a high tenacity plastics electric smelting reducing direct pipe fitting is the sloping block that sets up in the connection pipe fitting makes the connecting pipe at both ends can be better discernment reach center department, connects the toughness that the pipe fitting set up to this structure of three-layer increase, and inside fixed connection's fixed line makes the melting material can not drive the heater strip and remove when melting, increases this reducing direct pipe fitting operation safety's security.
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a high-toughness plastic direct pipe fitting with different electric smelting diameters comprises a connecting pipe fitting, wherein the connecting pipe fitting is divided into an outer layer, an intermediate layer and an inner layer, a first connecting pipe is embedded in one end of the connecting pipe fitting, a second connecting pipe is embedded in the other end of the connecting pipe fitting, a protective sleeve extends from one end of the connecting pipe fitting close to an opening, an electric fusion welding machine contact end is embedded in the protective sleeve, a resistance wire contact end is fixedly connected to the middle of the electric fusion welding machine contact end, a wiring hole is formed in the bottom of the electric fusion welding machine contact end, an observation hole is formed in one side of the connecting pipe fitting close to the protective sleeve, an observation column is arranged in the observation hole, an inner cavity is formed in the inner wall of the connecting pipe fitting, an inclined block extends from the middle of the connecting position, a round hole is formed in the inner wall of the inclined block, the outer wall of the fixed line is sleeved with a heating wire, and the heating wire penetrates through the round hole in the middle.
In order to connect more firmly for making the connecting pipe, conduct the utility model relates to a high tenacity plastics electric smelting reducing direct pipe fitting is preferred, even square groove has been seted up to the outer wall of first connecting pipe and second connecting pipe, square groove is "back" shape, and the extension of centre department is provided with the square.
In order to make the connecting pipe better be in the center department of connecting piece make connect comparatively convenient, conduct the utility model relates to a high tenacity plastics electric smelting reducing direct pipe fitting is preferred, and the link of first connecting pipe sets up to round platform form opening, and little opening is in first connecting pipe, and with the shape phase-match that the inner wall of sloping block at the connecting pipe spare formed, the second connecting pipe is to matcing with the bottom of connecting the pipe spare, is the arcuation and connects.
In order to make the heater strip can not cause the fusion through round hole department with the inner wall, conduct the utility model relates to a high tenacity plastics electric smelting reducing direct pipe spare is preferred, the heater strip passes the round hole in centre department, and the both ends of heater strip are all connected in the wiring.
In order to prevent the heater strip because the weight of melting material drives the removal of heater strip after the heating, as the utility model relates to a high tenacity plastics electric smelting reducing diameter direct pipe fitting is preferred, the intracavity is provided with inflation melting material, and inflation melting material cover establishes on the outer wall of heater strip and covers the top at the fixed line.
In order to make the connecting pipe fitting have good toughness, as the utility model relates to a high tenacity plastics electric smelting reducing direct pipe fitting is preferred, the intermediate level is the echelonment and distributes between skin and inlayer, the intermediate level fully fuses with skin and inlayer.
The utility model provides a high tenacity plastics electric smelting reducing direct pipe fitting possesses following beneficial effect:
(1) this high tenacity plastics electric smelting reducing direct pipe fitting, electric smelting pipe fitting heat in the pipe wall and carry out the fused heating wire, can fall the fixed line under the action of gravity of inflation melting material on, thereby the effectual heater strip that has prevented makes the heater strip move down and intertwine produces the danger of short circuit under the action of gravity of inflation melting material, can make the terminal surface of the link of two connected pipe fittings obtain abundant melting and connect.
(2) This high tenacity plastics electric smelting reducing direct pipe fitting, the sloping block that the mid portion of connecting piece set up can prevent that melting expanding material from dropping and leading to the closing of link opening part, reduces the gap that forms between the terminal surface of two links of being connected, and the square groove of its outer wall sets up the flow that increases melting expanding material and increases its fixed effect and leakproofness.
Drawings
Fig. 1 is a front sectional view of the present invention;
fig. 2 is an expanded schematic view of the connecting pipe of the present invention;
fig. 3 is the inside schematic view of the connecting pipe fitting of the utility model.
In the figure: 1. a first connecting pipe; 2. connecting pipe fittings; 201. an outer layer; 202. an intermediate layer; 203. an inner layer; 3. an observation hole; 4. observing the column; 5. an inner cavity; 6. fixing the wire; 7. heating wires; 8. a sloping block; 9. a circular hole; 10. a square groove; 11. a protective sleeve; 12. a contact end of the electric fusion welding machine; 1201. a wiring hole; 13. the resistance wire contacts the end; 14. a second connecting pipe; 15. and (6) square blocks.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: a high-toughness plastic direct pipe fitting with different electric smelting diameters comprises a connecting pipe fitting 2, wherein the connecting pipe fitting 2 is divided into an outer layer 201, an intermediate layer 202 and an inner layer 203, a first connecting pipe 1 is embedded in one end of the connecting pipe fitting 2, a second connecting pipe 14 is embedded in the other end of one end of the connecting pipe fitting 2, a protective sleeve 11 extends from one end of the connecting pipe fitting 2 close to an opening, an electric smelting welding machine contact end 12 is embedded in the protective sleeve 11, a resistance wire contact end 13 is fixedly connected to the middle of the electric smelting welding machine contact end 12, a wiring hole 1201 is formed in the bottom of the electric smelting welding machine contact end 12, an observation hole 3 is formed in one side of the connecting pipe fitting 2 close to the protective sleeve 11, an observation column 4 is arranged in the observation hole 3, an inner cavity 5 is formed in the inner wall of the connecting pipe fitting 2, an inclined, the inner cavity 5 is fixedly connected with a fixed line 6 at the bottom end of the opening along the horizontal direction, a heating wire 7 is sleeved on the outer wall of the fixed line 6, and the heating wire 7 penetrates through a round hole 9 in the middle.
In this embodiment: two ends of connecting pipe fitting 2 are provided with two observation holes 3 and observation post 4 altogether, be convenient for observe the melting condition at both ends, resistance wire contact jaw 13 makes the connection of heater strip 7 safer, reduce the emergence of accident, fixed line 6 sets up in 5 bottom positions of inner chamber, be provided with four altogether, the condition that four fixed lines 6 are effectual to have prevented heater strip 7 and drop when the melting, the inside sloping block 8 that extends the setting has increased the leakproofness that the connecting pipe at both ends is connected, it drops to keep away melting material in the middle of the face, block up the open end.
Specifically, the outer walls of the first connecting pipe 1 and the second connecting pipe 14 are provided with uniform square grooves 10, the square grooves 10 are in a 'return' shape, and the middle part of the square grooves is provided with a square 15 in an extending manner.
In this embodiment: when carrying out electric smelting, the expanded melting material drops on the outer wall of first connecting pipe 1 and second connecting pipe 14, waits to cool down the back and produces fixed effect, and square groove 10 setting of its outer wall makes connecting pipe and connecting pipe fitting 2, and the adhesive is more stable.
Specifically, the connecting end of the first connecting pipe 1 is a circular truncated cone-shaped opening, the small opening is positioned in the first connecting pipe 1 and is matched with the shape formed by the inclined block 8 on the inner wall of the connecting pipe 2, and the second connecting pipe 14 is matched with the bottom of the connecting pipe 2 in an arc-shaped connection manner.
In this embodiment: the different settings of its both ends open-ended for pipe fitting is easier fixed when connecting, has also increased the leakproofness of connecting piece.
Specifically, the heating wire 7 penetrates through the circular hole 9 in the middle, and two ends of the heating wire 7 are connected in the wiring hole 1201.
In this embodiment: because the heating wire 7 passes through the round hole 9 in the middle, when the heating wire 7 is heated, redundant expansion melting materials cannot be generated at the joint, and the joint is prevented from being blocked.
Specifically, an expansion melting material is arranged in the inner cavity 5, and the expansion melting material covers the heating wire 7 and covers the fixing wire 6.
In this embodiment: after the heating wire 7 is heated, the expanded molten material moves downwards when melting, and the fixing wire 6 can effectively prevent the expanded molten material from driving the heating wire 7 to move downwards when melting to generate short circuit.
Specifically, the middle layer 202 is distributed between the outer layer 201 and the inner layer 203 in a stepped manner, and the middle layer 202 is connected with the outer layer 201 and the inner layer 203 through adhesives.
In this embodiment: the middle layer 202 is made of 3cr13 material, and the step shape of the middle reduces the use of material, so that the outer layer 201 and the inner layer 203 better fuse the middle layer 202 in the middle to enhance the toughness.
During the use, take out and connect pipe fitting 2, insert the both ends of connecting pipe fitting 2 respectively with two different connecting pipes, be connected to electric fusion welding machine contact jaw 12 with the wire, debug the voltage, fix the connecting pipe at both ends, the circular telegram back, heater strip 7 melts the inflation melting material after beginning to generate heat one end time for this inflation melting material flows into square groove 10 in, looks at the connection condition through observation hole 3 and observation post 4, after the circular telegram, the cooling period can be used.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides a high tenacity plastics electricity smelting reducing direct pipe fitting, includes connecting pipe fitting (2), its characterized in that: the connecting pipe fitting (2) is divided into an outer layer (201), an intermediate layer (202) and an inner layer (203), a first connecting pipe (1) is embedded into one end of the connecting pipe fitting (2), a second connecting pipe (14) is embedded into the other end of one end of the connecting pipe fitting (2), a protective sleeve (11) extends from one end of the connecting pipe fitting (2) close to an opening, an electric fusion welding machine contact end (12) is embedded into the protective sleeve (11), a resistance wire contact end (13) is fixedly connected to the middle of the electric fusion welding machine contact end (12), a wiring hole (1201) is formed in the bottom of the electric fusion welding machine contact end (12), an observation hole (3) is formed in one side, close to the protective sleeve (11), of the connecting pipe fitting (2), an observation column (4) is arranged in the observation hole (3), and an inner cavity (5, inner chamber (5) extend in intermediate junction department and are provided with sloping block (8), round hole (9) have been seted up to sloping block (8) inner wall department near connecting pipe fitting (2), inner chamber (5) are followed horizontal direction at open-ended bottom fixedly connected with fixed line (6), the cover is equipped with heater strip (7) on the outer wall of fixed line (6), and heater strip (7) locate to pass round hole (9) in the centre.
2. A high toughness plastic electrofusion dissimilar diameter direct pipe fitting as claimed in claim 1, wherein: even square groove (10) have been seted up to the outer wall of first connecting pipe (1) and second connecting pipe (14), square groove (10) are "back" shape, and middle department extends and is provided with square (15).
3. A high toughness plastic electrofusion dissimilar diameter direct pipe fitting as claimed in claim 1, wherein: the connecting end of the first connecting pipe (1) is provided with a circular truncated cone-shaped opening, the small opening is positioned in the first connecting pipe (1) and matched with the shape formed by the inclined block (8) on the inner wall of the connecting pipe fitting (2), and the second connecting pipe (14) is matched with the bottom of the connecting pipe fitting (2) in an arc-shaped connection mode.
4. A high toughness plastic electrofusion dissimilar diameter direct pipe fitting as claimed in claim 1, wherein: the heating wire (7) penetrates through the round hole (9) in the middle, and the two ends of the heating wire (7) are connected in the wiring hole (1201).
5. A high toughness plastic electrofusion dissimilar diameter direct pipe fitting as claimed in claim 1, wherein: and an expansion melting material is arranged in the inner cavity (5), sleeved on the outer wall of the heating wire (7) and covered above the fixing wire (6).
6. A high toughness plastic electrofusion dissimilar diameter direct pipe fitting as claimed in claim 1, wherein: the middle layer (202) is distributed between the outer layer (201) and the inner layer (203) in a stepped mode, and the middle layer (202) is connected with the outer layer (201) and the inner layer (203) through adhesives.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922466056.7U CN211344385U (en) | 2019-12-31 | 2019-12-31 | High-toughness plastic electric melting different-diameter direct pipe fitting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922466056.7U CN211344385U (en) | 2019-12-31 | 2019-12-31 | High-toughness plastic electric melting different-diameter direct pipe fitting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211344385U true CN211344385U (en) | 2020-08-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922466056.7U Active CN211344385U (en) | 2019-12-31 | 2019-12-31 | High-toughness plastic electric melting different-diameter direct pipe fitting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211344385U (en) |
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2019
- 2019-12-31 CN CN201922466056.7U patent/CN211344385U/en active Active
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