Electric hot melting head
By designing the raised convex ring and glass fiber composite pipe joint in the electric heated joint, the problem of position deviation of the traditional electric heated joint during heating is solved, and the rapid centering docking of the pipeline and efficient electric heated joint are achieved.
Patent Information
- Application Number
- CN202421301131.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-07
- Publication Date
- 2025-02-11
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
When heating and welding, traditional electric heated joints may be positionally offset due to the force of the pipeline, and external force needs to be adjusted to prevent deviation until the cooling is over.
An electric heated weld joint was designed, using a PE electric glass fiber composite pipe joint sleeve to be installed on the outer ring of the PE electric heated weld joint, and a raised convex ring was designed in the center of the inner wall to ensure the length of insertion of the glass fiber composite pipe. Consistent, easy to quickly center and dock.
Through the electric heat welding of the copper hot fuse of the inner and outer rings, the stable connection of the pipeline is achieved, the radial pressure at the connection of the glass fiber belt composite pipe is alleviated, and the reliability and efficiency of the connection are greatly improved.
Smart Images

Figure CN222458817U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of electric heat-melting joints, in particular to an electric heat-melting joint. Background Art
[0002] The electric hot melt joint technology is to place two pipes that need to be connected in the electric hot melt pipe fittings, insert the PE electric hot melt pipe fittings into the electric hot melt joint, mark and install them to the designated position, and heat the electric hot melt joint through the external positive and negative terminals to make it fuse with the pipe. To achieve a safe and reliable connection and sealing standard, the connection process is as follows: inspection → pipe cutting → cleaning the joint and marking → heating → cooling;
[0003] However, when traditional electric heat-melting joints are powered on for heating and welding, they may be displaced due to the force on the pipe itself. Therefore, external force is required to prevent the alignment position from shifting during heating until the cooling state ends. In view of the above situation, technical innovation is carried out on the basis of existing electric heat-melting joints. Utility Model Content
[0004] The purpose of the utility model is to provide an electric heat-melting joint to solve the problems raised in the above-mentioned background technology.
[0005] To achieve the above object, the utility model provides the following technical solution: an electric hot melt joint, comprising:
[0006] PE electric hot-melt pipe fitting joint and PE electric glass fiber tape composite pipe fitting, the PE electric glass fiber tape composite pipe fitting is sleeved on the outer ring of the PE electric hot-melt pipe fitting joint, wherein: the center position of the inner side wall of the PE electric hot-melt pipe fitting joint is designed as a raised convex ring.
[0007] Preferably, two groups of glass fiber composite tubes are inserted inside the PE electric hot-melt pipe fitting joint, the outer side wall of the glass fiber composite tube is in contact with the outer side wall of the PE electric hot-melt pipe fitting joint, the raised convex ring at the center of the inner side wall of the PE electric hot-melt pipe fitting joint is located between the two groups of glass fiber composite tubes, and the left and right sides of the raised convex ring at the center of the inner side wall of the PE electric hot-melt pipe fitting joint are respectively in contact with the opposite sides of the two groups of glass fiber composite tubes.
[0008] Preferably, the inner side wall of the PE electric hot-melt pipe fitting joint is inlaid with an inner circle of copper hot-fuse wire, and the outer side wall of the PE electric hot-melt pipe fitting joint is inlaid with an outer circle of copper hot-fuse wire.
[0009] Preferably, an inner circle positive electrode terminal is arranged on the left side of the top of the outer side wall of the PE electric hot-melt pipe fitting joint, and an inner circle negative electrode terminal is arranged on the right side of the top of the outer side wall of the PE electric hot-melt pipe fitting joint.
[0010] Preferably, an outer ring positive electrode terminal is arranged at the lower left of the PE electric hot-melt pipe fitting joint, and an outer ring negative electrode terminal is arranged at the lower right of the PE electric hot-melt pipe fitting joint.
[0011] Preferably, the inner ring positive electrode terminal and the inner ring negative electrode terminal are electrically connected to the inner ring copper thermal fuse, and the outer ring positive electrode terminal and the outer ring negative electrode terminal are electrically connected to the outer ring copper thermal fuse.
[0012] Compared with the prior art, the beneficial effects of the utility model are as follows:
[0013] When two sets of glass fiber tape composite pipes are inserted from both ends of the PE electric hot-melt pipe fitting joint, they are blocked by the raised convex ring at the center of the inner wall of the PE electric hot-melt pipe fitting joint, and the lengths of the two sets of glass fiber tape composite pipes inserted into the PE electric hot-melt pipe fitting joint will be the same, so that the PE electric hot-melt pipe fitting joint and the two sets of glass fiber tape composite pipes can be quickly connected in the center, thereby improving the efficiency of pipeline welding;
[0014] The PE electric hot-melt pipe fitting joint is connected to the external glass fiber composite pipe joint and the internal glass fiber composite pipe by heating during the pipeline connection, which is used to relieve the radial pressure at the connection of the glass fiber composite pipe, thereby greatly improving the reliability of the connection. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 This is a front cross-sectional view of an electric heat-melting joint of the utility model;
[0016] Figure 2 For this utility model Figure 1 A magnified view of part A;
[0017] Figure 3 For this utility model Figure 1 Enlarged view of part B.
[0018] In the figure: 1. Glass fiber tape composite pipe; 2. PE electric hot-melt pipe fitting joint; 3. Glass fiber tape composite pipe joint; 4. Inner circle positive terminal; 41. Inner circle negative terminal; 5. Outer circle positive terminal; 51. Outer circle negative terminal; 6. Inner circle copper thermal fuse; 7. Outer circle copper thermal fuse. DETAILED DESCRIPTION
[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0020] See also Figure 1-Figure 3An electric hot-melt joint comprises a PE electric hot-melt pipe joint 2 and a PE electric glass fiber tape composite pipe joint 3. The PE electric glass fiber tape composite pipe joint 3 is sleeved on the outer ring of the PE electric hot-melt pipe joint 2. The center position of the inner wall of the PE electric hot-melt pipe joint 2 is a raised convex ring design. Two groups of glass fiber tape composite pipes 1 are inserted into the inside of the PE electric hot-melt pipe joint 2. The outer wall of the glass fiber tape composite pipe 1 fits the outer wall of the PE electric hot-melt pipe joint 2. The raised convex ring at the center position of the inner wall of the PE electric hot-melt pipe joint 2 is located between the two groups. Between the glass fiber tape composite tubes 1, the left and right sides of the raised convex ring at the center position of the inner wall of the PE electric hot-melt pipe fitting joint 2 are respectively fitted with the opposite sides of the two groups of glass fiber tape composite tubes 1. When the two groups of glass fiber tape composite tubes 1 are inserted from both ends of the PE electric hot-melt pipe fitting joint 2, they are blocked by the raised convex ring at the center position of the inner wall of the PE electric hot-melt pipe fitting joint 2. The lengths of the two groups of glass fiber tape composite tubes 1 inserted into the PE electric hot-melt pipe fitting joint 2 will be the same, so that the PE electric hot-melt pipe fitting joint 2 and the two groups of glass fiber tape composite tubes 1 can be quickly connected.
[0021] The inner wall of the PE electric hot-melt pipe fitting joint 2 is inlaid with an inner ring copper hot-fuse wire 6, the outer wall of the PE electric hot-melt pipe fitting joint 2 is inlaid with an outer ring copper hot-fuse wire 7, the inner ring positive terminal 4 is fixedly arranged on the left side of the top of the outer wall of the PE electric hot-melt pipe fitting joint 2, the inner ring negative terminal 41 is fixedly arranged on the right side of the top of the outer wall of the PE electric hot-melt pipe fitting joint 2, the outer ring positive terminal 5 is fixedly arranged at the lower left of the PE electric hot-melt pipe fitting joint 2, and the outer ring negative terminal 51 is fixedly arranged at the lower right of the PE electric hot-melt pipe fitting joint 2. The inner ring positive terminal 4 and the inner ring negative terminal 41 are electrically connected to the inner ring copper hot-fuse wire 6. The outer ring positive terminal 5 and the outer ring negative terminal 51 are electrically connected to the outer ring copper thermal fuse 7, and the inner ring copper thermal fuse 6 is electrically heated by the inner ring positive terminal 4 and the inner ring negative terminal 41. The outer surface of the two groups of glass fiber tape composite pipes 1 can be electrically melted with the inner wall of the PE electric hot-melt pipe fitting 2 through the inner ring copper thermal fuse 6. The outer ring positive terminal 5 and the outer ring negative terminal 51 are electrically heated to the outer ring copper thermal fuse 7. The outer surface of the PE electric hot-melt pipe fitting 2 and the inner wall of the PE electric glass fiber tape composite pipe fitting 3 can be electrically melted through the outer ring copper thermal fuse 7.
[0022] Working principle: When two groups of glass fiber tape composite tubes 1 are inserted from both ends of the PE electric hot-melt pipe fitting joint 2, they are blocked by the convex ring raised at the center position of the inner wall of the PE electric hot-melt pipe fitting joint 2, and the lengths of the two groups of glass fiber tape composite tubes 1 inserted into the PE electric hot-melt pipe fitting joint 2 will be the same, so that the PE electric hot-melt pipe fitting joint 2 and the two groups of glass fiber tape composite tubes 1 can be quickly connected in the center, and the inner circle copper thermal fuse 6 is electrically heated through the inner circle positive terminal 4 and the inner circle negative terminal 41, and the outer surface of the two groups of glass fiber tape composite tubes 1 can be electrically melted to the inner wall of the PE electric hot-melt pipe fitting joint 2 through the inner circle copper thermal fuse 6, and the outer circle copper thermal fuse 7 is electrically heated through the outer circle positive terminal 5 and the outer circle negative terminal 51, and the outer surface of the PE electric hot-melt pipe fitting joint 2 and the inner wall of the PE electric glass fiber tape composite pipe fitting 3 can be electrically melted through the outer circle copper thermal fuse 7.
Claims
1. An electric heat fusion joint, characterized in that: include: A PE electric hot-melt pipe fitting joint (2) and a PE electric glass fiber tape composite pipe fitting joint (3), wherein the PE electric glass fiber tape composite pipe fitting joint (3) is sleeved on the outer ring of the PE electric hot-melt pipe fitting joint (2), wherein: the center position of the inner side wall of the PE electric hot-melt pipe fitting joint (2) is designed as a raised convex ring.
2. The electric heat fusion joint according to claim 1, characterized in that: Two groups of glass fiber composite tubes (1) are inserted into the interior of the PE electric hot-melt pipe fitting joint (2), the outer wall of the glass fiber composite tube (1) is in contact with the outer wall of the PE electric hot-melt pipe fitting joint (2), the raised convex ring at the center of the inner wall of the PE electric hot-melt pipe fitting joint (2) is located between the two groups of glass fiber composite tubes (1), and the left and right sides of the raised convex ring at the center of the inner wall of the PE electric hot-melt pipe fitting joint (2) are respectively in contact with the opposite sides of the two groups of glass fiber composite tubes (1).
3. The electric heat fusion joint according to claim 1, characterized in that: The inner side wall of the PE electric hot-melt pipe fitting joint (2) is inlaid with an inner circle copper hot-melt wire (6), and the outer side wall of the PE electric hot-melt pipe fitting joint (2) is inlaid with an outer circle copper hot-melt wire (7).
4. The electric heat fusion joint according to claim 3, characterized in that: An inner circle positive electrode terminal (4) is arranged on the left side of the top of the outer wall of the PE electric hot-melt pipe fitting joint (2), and an inner circle negative electrode terminal (41) is arranged on the right side of the top of the outer wall of the PE electric hot-melt pipe fitting joint (2).
5. The electric heat fusion joint according to claim 4, characterized in that: An outer ring positive electrode terminal (5) is arranged at the lower left of the PE electric hot-melt pipe fitting joint (2), and an outer ring negative electrode terminal (51) is arranged at the lower right of the PE electric hot-melt pipe fitting joint (2).
6. The electric heat fusion joint according to claim 5, characterized in that: The inner ring positive electrode terminal (4) and the inner ring negative electrode terminal (41) are electrically connected to the inner ring copper thermal fuse (6), and the outer ring positive electrode terminal (5) and the outer ring negative electrode terminal (51) are electrically connected to the outer ring copper thermal fuse (7).