CN216743244U - Electric hot melting joint seat - Google Patents
Electric hot melting joint seat Download PDFInfo
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- CN216743244U CN216743244U CN202123455963.5U CN202123455963U CN216743244U CN 216743244 U CN216743244 U CN 216743244U CN 202123455963 U CN202123455963 U CN 202123455963U CN 216743244 U CN216743244 U CN 216743244U
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Abstract
The utility model provides an electrothermal welding head seat, and belongs to the field of electrothermal welding pipelines. The electric heating wire mesh socket comprises a socket body which is cylindrical and is made of a hot-melting material, wherein a first electrode post hole and a second electrode post hole are arranged on the socket body in parallel, the socket body is provided with a bearing channel, one end of the bearing channel is provided with a check ring with the inner diameter smaller than the inner diameter of the bearing channel, the inner wall of the bearing channel is provided with a mesh groove which is in a mesh shape, the shape of the mesh groove is adapted to the shape of an electric heating mesh, and the depth of the mesh groove is not more than the thickness of the electric heating mesh. Its advantage lies in can accurate fixed pipeline and the relative position of pedestal, makes accurate the extending to the pedestal of pipeline in, and in addition, the degree of depth of net recess is no longer than the thickness of electric heat net and can ensures electric heat net and pipeline contact, and the heat that makes electric heat net circular telegram production can effectually melt the surface of pipeline.
Description
Technical Field
The utility model belongs to the field of electric heat welding pipelines, and particularly relates to an electric heat welding head seat.
Background
In the existing pipeline connecting piece with the electric heating wire, the electric heating wire is wrapped in the seat body, and in the heating process, because the electric heating wire and the pipe body have different thermal expansion coefficients and the electric heating wire is not in contact with the pipeline, the efficiency of melting the pipeline by the electric heating wire is not high enough, the seat body and the pipeline cannot be well hot-melted and bonded together, so that the connection is frequently generated in the use process, the outer separation opening is formed, and the quality and the service life of the matched connection of the pipeline connecting piece with the electric heating wire and the pipeline are seriously influenced. In addition, also often do not have the location limiting displacement when the pipeline is packed into the pedestal, lead to the pipeline to pack into the length time in the pedestal uncontrollable, if the pipeline extends into the length of pedestal and long enough also leads to pedestal and pipeline can not be fine hot melt bonding together easily.
For example, chinese patent document discloses an electrothermal welding flange pipe structure [ patent application No.: CN202022799081.X ], the heat exchanger comprises a straight-through pipe, a flange plate and a sealing gasket, the sealing gasket is attached to the right end face of the flange plate, the straight-through pipe is vertically arranged at the left end of the flange plate, a power-on device is vertically arranged on the surface of the outer wall of the straight-through pipe and divided into a first power-on column and a second power-on column, a first copper pole column is arranged inside the first power-on column, a second copper pole column is arranged inside the second power-on column, the head end of a heating resistance wire is wound on the first copper pole column to be electrically connected, the tail end of the heating resistance wire is wound on the second copper pole column to be electrically connected, a waterproof cover is hinged above the power-on device and made of elastic rubber, interval protrusions are arranged on the inner side face of the waterproof cover, the heating resistance wire is uniformly laid inside the straight-through pipe, and the heating resistance wire is electrically connected with the power-on device. There is no structure within the patent for accurately fixing the relative positions of the duct and the housing.
Disclosure of Invention
The present invention is directed to solving the above problems, and provides an electrothermal welding head seat.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the utility model provides an electrothermal welding headstock, is including being the tube-shape and by the pedestal that can hot melt material made, the pedestal on be equipped with first electrode post hole and second electrode post hole side by side, the pedestal have and accept the passageway, the one end of accepting the passageway have the internal diameter to be less than and accept the retaining ring of passageway internal diameter, the passageway inner wall of accepting have and be latticed net recess, the shape of net recess suit with the shape of electric heat net, the degree of depth of net recess no longer than the thickness of electric heat net.
In the electric hot melting joint seat, one end of the bearing channel adjacent to the retainer ring is provided with a first smooth inner wall section, the other end of the bearing channel is provided with a second smooth inner wall section, the length of the first smooth inner wall section is not more than 1/5 of the length of the bearing channel, and the length of the first smooth inner wall section is more than that of the second smooth inner wall section.
In the above-mentioned electric hot-melt connector base, the first electrode hole is disposed on the first electrode hole protruding from the outer wall of the base, the second electrode hole is disposed on the second electrode hole protruding from the outer wall of the base, and the first electrode hole and the second electrode hole have the same height.
In the above-mentioned electric hot melt joint seat, the first electrode column hole and the second electrode column hole are both step-shaped, and the inner diameter of the outer end is larger than that of the inner end.
In the electric hot melting joint seat, the seat body is provided with a through hole which penetrates through the inner wall and the outer wall of the seat body.
In the electric hot melting joint seat, one end of the seat body, which is provided with the check ring, is provided with a flange part which extends radially outwards, and the flange part is in a quincunx shape.
In the electric hot melting joint seat, the flange part is in transition connection with the outer wall of the seat body through an annular inclined plane; the end face of the flange part is provided with a plurality of concentric annular grooves.
In the electric hot melting joint seat, an electric heating grid is embedded in the grid groove, and the grids of the electric heating grid are in a flat rhombus shape.
In the electric hot melting joint seat, the cross section of the electric heating wire of the electric heating grid is in a flat rectangle, and one long edge of the flat rectangle is flush with the inner wall of the bearing channel.
In the electric hot melting joint seat, the cross section of the electric heating wire of the electric heating grid is triangular, and one side of the triangle is flush with the inner wall of the bearing channel.
Compared with the prior art, the utility model has the advantages that:
1. the relative position of pipeline and pedestal can be accurately fixed, make accurate the extending to the pedestal in of pipeline, in addition, the degree of depth of net recess is no longer than the thickness of electric heat net and can be ensured electric heat net and pipeline contact, the surface that the heat that makes electric heat net circular telegram production can effectual melting pipeline.
2. When the electric heating grid heats and melts the pipeline and the seat body, the colloid generated by heating and melting cannot extend out of the seat body and the pipeline. In addition, the second smooth inner wall section also facilitates the pipeline to be plugged into the seat body.
3. The heating wire is in a flat rectangle or a triangle to replace the traditional round shape, so that the contact area of the electric heating grid and the pipeline is increased, and the melting rate of the pipeline is accelerated by the electric heating grid.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of FIG. 1 in one of its orientations;
FIG. 3 is a schematic view of FIG. 1 in another orientation;
fig. 4 is a schematic cross-sectional view of one of the points in fig. 1.
In the figure: the electrode structure comprises a base body 10, a first electrode column hole 11, a second electrode column hole 12, a receiving channel 13, a retainer ring 14, a grid groove 15, a first smooth inner wall section 16, a second smooth inner wall section 17, a first electrode column hole 18, a second electrode column hole 19, a through hole 20, a flange part 21, an annular inclined surface 22 and an annular groove 23.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1-4, an electrothermal welding head seat comprises a cylindrical seat body 10 made of a hot-fusible material, wherein a first electrode column hole 11 and a second electrode column hole 12 are arranged on the seat body 10 in parallel, the seat body 10 is provided with a receiving channel 13, one end of the receiving channel 13 is provided with a retainer ring 14 with an inner diameter smaller than that of the receiving channel 13, the inner wall of the receiving channel 13 is provided with a latticed grid groove 15, the shape of the grid groove 15 is adapted to the shape of an electrothermal grid, and the depth of the grid groove 15 is not more than the thickness of the electrothermal grid.
In the utility model, a pipeline is arranged in a seat body 10, an electric heating grid in a grid groove 15 is contacted with the outer surface of the pipeline, a first electrode column hole 11 and a second electrode column hole 12 are respectively connected with the positive electrode and the negative electrode of a power supply, so that the electric heating grid channel generates a large amount of heat to melt the outer surface of the pipeline and the inner wall of a bearing channel 13, the pipeline and the seat body 10 are fused, and the pipeline and the seat body 10 are fixed together after cooling. The pipeline supports on retaining ring 14, through retaining ring 14, fixes a position and spacing effect to the pipeline, and the degree of depth of net recess 15 is no longer than the thickness of electric heat net and can be ensured electric heat net and pipeline contact, makes the surface of the effectual melting pipeline of heat energy ability that the electric heat net circular telegram produced.
One end of the bearing channel 13 adjacent to the retainer ring 14 is provided with a first smooth inner wall section 16, the other end of the bearing channel 13 is provided with a second smooth inner wall section 17, the length of the first smooth inner wall section 16 is not more than 1/5 of the length of the bearing channel 13, and the length of the first smooth inner wall section 16 is more than that of the second smooth inner wall section 17.
In the present invention, the first smooth inner wall section 16 and the second smooth inner wall section 17 are located at both ends of the receiving channel 13, the grid groove 15 is located between the first smooth inner wall section 16 and the second smooth inner wall section 17, the electric heating grid does not extend to the first smooth inner wall section 16 and the second smooth inner wall section 17, and when the electric heating grid heats and melts the pipe and the seat body 10, the colloid generated by heating and melting does not extend out of the seat body 10 and the pipe. The second smooth inner wall section 17 also facilitates insertion of the pipe into the housing 10.
The first electrode post hole 11 is arranged on a first electrode post 18 protruding out of the outer wall of the base 10, the second electrode post hole 12 is arranged on a second electrode post 19 protruding out of the outer wall of the base 10, and the first electrode post 18 and the second electrode post 19 are equal in height.
In the present invention, the first electrode hole column 18 and the second electrode hole column 19 protrude from the base 10, which is convenient for a user to connect the positive pole and the negative pole of the power source to the first electrode column hole 11 and the second electrode column hole 12. In addition, the end parts of the first electrode hole column 18 and the second electrode hole column 19, which are far away from the seat body 10, have a certain distance from the electric heating grid, and heat generated by electrification is transferred to the end parts of the first electrode hole column 18 and the second electrode hole column 19, which are far away from the seat body 10, so that heat dissipation is large, the temperature is low, and potential safety hazards caused by the influence of high temperature on a power supply are avoided.
The first electrode column hole 11 and the second electrode column hole 12 are step-shaped, and the inner diameter of the outer end is larger than that of the inner end.
In the utility model, the inner diameter of the port of the two column holes, which is contacted with the electric heating grid, is smaller than the inner diameter of the port at the other end of the column hole, and the port with the larger inner diameter of the column hole is used for placing an outer ring component surrounding the inner cores of the positive and negative electrodes, can seal the column hole, and has a protection function.
The base body 10 is provided with a through hole 20 penetrating through the inner and outer walls of the base body 10.
In the present invention, volume change is generated in the housing 10 during the heating and melting process, and if the volume is increased, the excessive gas can be discharged through the through hole 20, thereby preventing the potential safety hazard of explosion caused by the increased pressure during melting.
One end of the base body 10 provided with the retainer ring 14 is provided with a flange part 21 extending outwards in the radial direction, and the flange part 21 is in a quincunx shape.
In the present invention, the flange portion 21 serves to grip the housing 10 by an external machine, or serves to fix the housing 10 during the process of melting the housing 10 with a pipe.
The flange part 21 is in transitional connection with the outer wall of the base body 10 through an annular inclined plane 22; the end face of the flange part 21 is provided with a plurality of concentric annular grooves 23.
In the present invention, the annular ramp 22 is designed for high tolerance and can be adapted to a variety of different chuck shaped fixtures. Several concentric annular grooves 23 can further increase the fixing effect.
The grid grooves 15 are embedded with electric heating grids, and the grids of the electric heating grids are in flat rhombuses.
In the utility model, the electric heating grid is internally provided with a plurality of cross points formed by mutually staggered connecting of the electric heating wires, on one hand, the overall length of all the electric heating wires is increased, and on the other hand, the current flowing speed is increased, namely, the heating rate is increased.
The cross section of the electric heating wire of the electric heating grid is flat rectangle, and one long side of the flat rectangle is flush with the inner wall of the bearing channel 13.
In the utility model, on one hand, the electric heating grid is prevented from deforming or unsmooth plugging of the pipeline due to the squeezing and pushing collision with the electric heating grid when the pipeline is plugged into the seat body 10, and on the other hand, the electric heating wire is in a flat rectangle to replace the traditional round shape, so that the contact area between the electric heating grid and the pipeline is increased, and the melting rate of the pipeline is accelerated by the electric heating grid.
The cross section of the electric heating wire of the electric heating grid is triangular, and one side of the triangle is flush with the inner wall of the bearing channel 13.
In the utility model, the cross section of the electric heating wire can also be triangular, one side of the triangle is flush with the inner wall of the bearing channel 13, and the principle and the effect of the electric heating wire are equivalent to the distance and the effect of the flat rectangular cross section of the electric heating wire.
The specific embodiments described herein are merely illustrative of the spirit of the utility model. Various modifications or additions may be made to the utility model as described, and equivalents may be substituted, by those skilled in the art without departing from the spirit or scope of the utility model as defined in the appended claims.
Although the holder body 10, the first electrode post hole 11, the second electrode post hole 12, the receiving channel 13, the retainer ring 14, the grid groove 15, the first smooth inner wall section 16, the second smooth inner wall section 17, the first electrode post hole 18, the second electrode post hole 19, the through hole 20, the flange portion 21, the annular slope 22, the annular groove 23, etc., are more used herein, these terms are used only for the purpose of more conveniently describing and explaining the essence of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.
Claims (10)
1. The utility model provides an electrothermal welding headstock, is including being the tube-shape and pedestal (10) of being made by hot melt material, pedestal (10) on first electrode post hole (11) and second electrode post hole (12) that are equipped with side by side, its characterized in that, pedestal (10) have and accept passageway (13), the one end of accepting passageway (13) have internal diameter to be less than retaining ring (14) of accepting passageway (13) internal diameter, the inner wall of accepting passageway (13) have and be latticed net recess (15), the shape of net recess (15) suit with the shape of electric heat net, the degree of depth of net recess (15) no longer than the thickness of net.
2. The electrothermal welding head base according to claim 1, wherein a first smooth inner wall section (16) is provided at an end of the receiving channel (13) adjacent to the retainer ring (14), a second smooth inner wall section (17) is provided at the other end of the receiving channel (13), the length of the first smooth inner wall section (16) is not more than 1/5 of the length of the receiving channel (13), and the length of the first smooth inner wall section (16) is greater than the length of the second smooth inner wall section (17).
3. The electrothermal welding head base according to claim 1, wherein the first electrode post hole (11) is formed on a first electrode post (18) protruding from the outer wall of the base body (10), the second electrode post hole (12) is formed on a second electrode post (19) protruding from the outer wall of the base body (10), and the first electrode post (18) and the second electrode post (19) are at the same height.
4. The electrofusion socket according to claim 3 characterised in that the first electrode post hole (11) and the second electrode post hole (12) are stepped and the inner diameter of the outer end is larger than the inner diameter of the inner end.
5. The electrothermal welding joint seat according to claim 3 or 4, wherein the seat body (10) is provided with a through hole (20) penetrating through the inner and outer walls of the seat body (10).
6. The electrothermal welding head according to any one of claims 1 to 4, characterized in that the end of the body (10) provided with the retaining ring (14) is provided with a flange part (21) extending radially outwards, and the flange part (21) is of a quincunx shape.
7. The electric heat welding headstock of claim 6, characterized in that the flange part (21) is transitionally connected with the outer wall of the seat body (10) through an annular inclined surface (22); the end face of the flange part (21) is provided with a plurality of concentric annular grooves (23).
8. The electrothermal welding headstock of claim 6, wherein an electrothermal grid is embedded in the grid groove (15), and the grid of the electrothermal grid is in the shape of a prolate rhombus.
9. The electrothermal welding socket according to claim 8, wherein the heating wires of the electric heating grid have a flat rectangular cross section, and one long side of the flat rectangular is flush with the inner wall of the receiving channel (13).
10. The electrothermal welding socket according to claim 8, wherein the heating wires of the electric heating grid have a triangular cross-section, and one side of the triangle is flush with the inner wall of the receiving channel (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123455963.5U CN216743244U (en) | 2021-12-31 | 2021-12-31 | Electric hot melting joint seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123455963.5U CN216743244U (en) | 2021-12-31 | 2021-12-31 | Electric hot melting joint seat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216743244U true CN216743244U (en) | 2022-06-14 |
Family
ID=81911431
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123455963.5U Active CN216743244U (en) | 2021-12-31 | 2021-12-31 | Electric hot melting joint seat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216743244U (en) |
-
2021
- 2021-12-31 CN CN202123455963.5U patent/CN216743244U/en active Active
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