Electric melting pipe joint

Abstract

The utility model discloses an electric melting pipe connector which comprises a first connector, a second connector, a first electric heating wire embedding block, a first electric heating wire, a second electric heating wire embedding block, a second electric heating wire and a sealing ring. The second connector is connected with the first connector, the second connector and the first connector are coaxially arranged, and a second matching groove is formed in the end of the second connector; the first electric heating wire embedding block is arranged in the first matching groove; the first electric heating wire is arranged on the first electric heating wire embedding block; the second electric heating wire embedding block is arranged in the second matching groove; a second electric heating wire is arranged on the second electric heating wire embedding block; the sealing ring is connected to the side, close to the second connector, of the first connector. The electric melting pipe joint can solve the problems that an existing electric melting pipe joint is prone to liquid leakage in the using process, and the service life is short.

Description

Technical Field

[0001] The present application relates to the technical field of pipeline joints, and in particular to an electric fusion pipe joint. Background Art

[0002] An electric fusion pipe is a plastic pipe fitting that can be melted by the temperature generated by electric current to achieve connection. When two electric fusion pipes are connected, an electric fusion pipe joint is generally used. Existing electric fusion pipe joints will leak liquid after long-term use due to their structural problems, and their service life is short.

[0003] The above contents are only used to assist in understanding the technical solution of the present application and do not constitute an admission that the above contents are prior art. Utility Model Content

[0004] The main purpose of the present application is to provide an electric fusion pipe joint, aiming to solve the problem that the existing electric fusion pipe joints are prone to liquid leakage during use and have a short service life.

[0005] To achieve the above-mentioned purpose, the present application provides an electric fusion pipe joint, including a first joint, a second joint, a first heating wire embedding block, a first heating wire, a second heating wire embedding block, a second heating wire and a sealing ring, wherein a first matching groove is provided at the end of the first joint; the second joint is connected to the first joint, the second joint is coaxially arranged with the first joint, and a second matching groove is provided at the end of the second joint; the first heating wire embedding block is arranged in the first matching groove; the first heating wire is arranged on the first heating wire embedding block; the second heating wire embedding block is arranged in the second matching groove; the second heating wire is arranged on the second heating wire embedding block; and the sealing ring is connected to the side of the first joint close to the second joint.

[0006] Optionally, a first connecting portion is provided at one end of the first joint close to the second joint; a second connecting portion is provided at one end of the second joint close to the first joint, the first connecting portion and the second connecting portion are arranged opposite to each other, a plurality of first connecting holes are provided on the first connecting portion, and a plurality of second connecting holes are provided on the second connecting portion, the number of the first connecting holes is the same as the number of the second connecting holes and corresponds one to one, and bolts pass through the corresponding first connecting holes and the second connecting holes to connect the first joint and the second joint together.

[0007] Optionally, the electric fusion pipe joint further comprises a sealing gasket, wherein the sealing gasket is arranged between the first connecting portion and the second connecting portion, and a plurality of through holes are evenly formed on the sealing gasket, and the bolts pass through the through holes.

[0008] Optionally, sealing rings are provided on both sides of the sealing ring.

[0009] Optionally, a first cavity is provided at one end of the first joint close to the first heating wire embedding block, and a first sealing ring is provided in the first cavity; a second cavity is provided at one end of the second joint close to the second heating wire embedding block, and a second sealing ring is provided in the second cavity.

[0010] Optionally, the inner diameter of the end of the first joint away from the first heating wire embedding block is a, the outer diameter of the pipe to be connected is b, and a>b; the inner diameter of the end of the second joint away from the second heating wire embedding block is c, and c>b.

[0011] Optionally, the electric fusion pipe joint also includes multiple first heat dissipation ports and multiple second heat dissipation ports, wherein the multiple first heat dissipation ports are evenly arranged at the position where the first heating wire embedding block is set on the first joint; and the multiple second heat dissipation ports are evenly arranged at the position where the second heating wire embedding block is set on the second joint.

[0012] Optionally, a first electrode column is provided at one end of the first joint close to the first heating wire embedding block; a second electrode column is provided at one end of the second joint close to the second heating wire embedding block; wherein the first electrode column and the second electrode column are connected to a power source to supply power to the first heating wire and the second heating wire respectively.

[0013] Optionally, a thread is provided at one end of the first joint close to the first heating wire mosaic block, a first sleeve is provided inside the first heating wire mosaic block, and the first sleeve is threadedly connected to the first joint; a thread is provided at one end of the second joint close to the second heating wire mosaic block, a second sleeve is provided inside the second heating wire mosaic block, and the second sleeve is threadedly connected to the second joint.

[0014] Optionally, a first sealing ring is provided between the first joint and a pipe to be connected; and a second sealing ring is provided between the second joint and another pipe to be connected.

[0015] An electric fusion pipe joint proposed in an embodiment of the present application sets the electric fusion pipe joint as a first joint and a second joint, which is convenient for assembling and aligning the first pipe to be connected and the second pipe to be connected; the first joint and the second joint are coaxially set, which is beneficial to ensure the coaxiality between the two pipes when the electric fusion pipe joint is connected to the two pipes, and effectively avoids liquid leakage between the two pipes due to different axes; the setting of the first heating wire and the second heating wire ensures the reliability of the connection between the electric fusion pipe joint and the two pipes to be connected; by setting a sealing ring on the side of the first joint close to the second joint, the sealing between the first joint and the second joint is ensured, and liquid leakage will not occur during the long-term use of the electric fusion pipe joint, thereby extending the service life of the electric fusion pipe joint. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 A cross-sectional view of an electric fusion pipe joint provided in an embodiment of the present application;

[0017] Figure 2 for Figure 1 A schematic diagram of the structure of the middle sealing gasket;

[0018] Figure 3 for Figure 1 Enlarged view of part A.

[0019] Among them, 1. first joint; 101. first connecting part; 102. first connecting hole; 103. first cavity; 104. first sealing ring; 2. second joint; 201. second connecting part; 202. second connecting hole; 203. second cavity; 204. second sealing ring; 3. first heating wire fitting block; 4. first heating wire; 5. second heating wire fitting block; 6. second heating wire; 7. sealing ring; 8. sealing pad; 801. through hole; 9. sealing ring; 10. first heat dissipation port; 11. second heat dissipation port; 12. first electrode column; 13. second electrode column; 14. first sealing ring; 15. second sealing ring.

[0020] The realization of the purpose, functional features and advantages of this application will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0021] 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 of 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.

[0022] It should be noted that all directional indications in the embodiments of the present invention (such as up, down, left, right, front, back...) are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0023] In the present invention, unless otherwise clearly specified and limited, the terms "connection", "fixation", etc. should be understood in a broad sense. For example, "fixation" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0024] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the utility model, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the meaning of "and / or" appearing in the full text includes three parallel schemes. Taking "A and / or B" as an example, it includes scheme A, or scheme B, or a scheme that satisfies both A and B. In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the ability of ordinary technicians in this field to implement. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the utility model.

[0025] See also Figure 1 The embodiment of the present application provides an electric fusion pipe joint, which may include a first joint 1, a second joint 2, a first heating wire embedding block 3, a first heating wire 4, a second heating wire embedding block 5, a second heating wire 6 and a sealing ring 7, wherein a first matching groove is provided at the end of the first joint 1; the second joint 2 is connected to the first joint 1, the second joint 2 is coaxially arranged with the first joint 1, and a second matching groove is provided at the end of the second joint 2; the first heating wire embedding block 3 is arranged in the first matching groove; the first heating wire 4 is arranged on the first heating wire embedding block 3; the second heating wire embedding block 5 is arranged in the second matching groove; the second heating wire 6 is arranged on the second heating wire embedding block 5; the sealing ring 7 is connected to the first joint 1 on the side close to the second joint 2.

[0026] Specifically, when the electric fusion pipe joint involved in the present application is used to connect two pipes, the first joint 1 is firstly sleeved on the end of the first pipe to be connected, so that the first electric heating wire 4 provided on the first electric heating wire fitting block 3 fits the outer wall of the first pipe, and then the second joint 2 is sleeved on the end of the second pipe to be connected, so that the second electric heating wire 6 provided on the second electric heating wire fitting block 5 fits the outer wall of the second pipe. Since the sealing ring 7 is connected to the side of the first joint 1 close to the second joint 2, when the first joint 1 and the second joint 2 are docked, the sealing ring 7 blocks the gap between the first joint 1 and the second joint 2, so that the liquid in the pipe does not leak. After completing the above work, the power supply is started to heat the first electric heating wire 4 and the second electric heating wire 6. After the first electric heating wire 4 and the second electric heating wire 6 are heated, the first pipe to be connected and the second pipe to be connected are connected together through the electric fusion pipe joint, and the docking between the two pipes is completed.

[0027] In this embodiment, the electric fusion pipe joint is set as a first joint 1 and a second joint 2, which is convenient for assembling and aligning the first pipe to be connected and the second pipe to be connected; the first joint 1 and the second joint 2 are coaxially set, which is beneficial to ensure the coaxiality between the two pipes when the electric fusion pipe joint is connected to the two pipes, and effectively avoids liquid leakage between the two pipes due to different axes; the setting of the first heating wire 4 and the second heating wire 6 ensures the reliability of the connection between the electric fusion pipe joint and the two pipes to be connected; by setting a sealing ring 7 on the side of the first joint 1 close to the second joint 2, the sealing between the first joint 1 and the second joint 2 is ensured, and liquid leakage will not occur during the long-term use of the electric fusion pipe joint, thereby extending the service life of the electric fusion pipe joint.

[0028] See also Figure 1 A first connection portion 101 is provided at one end of the first joint 1 close to the second joint 2; a second connection portion 201 is provided at one end of the second joint 2 close to the first joint 1, the first connection portion 101 and the second connection portion 201 are arranged opposite to each other, a plurality of first connection holes 102 are opened on the first connection portion 101, and a plurality of second connection holes 202 are opened on the second connection portion 201, the number of the first connection holes 102 is the same as the number of the second connection holes 202 and corresponds one to one, and bolts pass through the corresponding first connection holes 102 and the second connection holes 202 to connect the first joint 1 and the second joint 2 together.

[0029] The first connection part 101 is an annular disc-shaped structure. The first connection part 101 has the same structure as the second connection part 201. A plurality of first connection holes 102 are provided on the first connection part 101, and a plurality of second connection holes 202 are provided on the second connection part 201. The first connection holes 102 correspond to the second connection holes 202, so that the staff can connect the first connection part 101 with the second connection part 201 by bolts. The whole structure is simple and easy to process and manufacture.

[0030] See also Figure 1 , Figure 2 The electric fusion pipe joint may further include a sealing gasket 8 , wherein the sealing gasket 8 is disposed between the first connecting portion 101 and the second connecting portion 201 , and a plurality of through holes 801 are evenly formed on the sealing gasket 8 , through which bolts pass.

[0031] In this embodiment, under the premise that the first joint 1 and the second joint 2 are sealed by the sealing ring 7 , in order to ensure better sealing performance, a sealing gasket 8 is provided between the first connecting portion 101 and the second connecting portion 201 .

[0032] The sealing gasket 8 is an annular structure, and a plurality of through holes 801 are evenly formed on the sealing gasket 8. The number of the plurality of through holes 801 is the same as and corresponds to the number of the first connecting holes 102 and the second connecting holes 202, so as to facilitate bolt connection.

[0033] See also Figure 1 , sealing rings 9 are arranged on both sides of the sealing ring 7. Wherein, by arranging sealing rings 9 on both sides of the sealing ring 7, the sealing between the two pipe ends to be connected can be ensured.

[0034] See also Figure 1 A first cavity 103 is provided at one end of the first joint 1 close to the first heating wire embedding block 3, and a first sealing ring 104 is provided in the first cavity 103; a second cavity 203 is provided at one end of the second joint 2 close to the second heating wire embedding block 5, and a second sealing ring 204 is provided in the second cavity 203.

[0035] In this embodiment, a first sealing ring 104 and a second sealing ring 204 are respectively arranged in the first cavity 103 and the second cavity 203, the purpose of which is to prevent liquid from entering the first heating wire inserting block 3 or the second heating wire inserting block 5 to avoid liquid leakage. In actual use, multiple first sealing rings 104 can be arranged in the first cavity 103; similarly, multiple second sealing rings 204 can be arranged in the second cavity 203, and the advantage of such an arrangement is that the sealing performance can be guaranteed.

[0036] See also Figure 1Furthermore, the inner diameter of the end of the first joint 1 away from the first heating wire embedding block 3 is a, the outer diameter of the pipe to be connected is b, and a>b; the inner diameter of the end of the second joint 2 away from the second heating wire embedding block 5 is c, and c>b.

[0037] The inner diameter of the fitting part between the first joint 1 and the pipe to be connected is set to be larger than the outer diameter of the pipe to be connected, which facilitates the docking of the two pipes and the connection of sealing components such as the sealing ring 7.

[0038] See also Figure 1 , Figure 3 The electric fusion pipe joint can also include multiple first heat dissipation ports 10 and multiple second heat dissipation ports 11, wherein the multiple first heat dissipation ports 10 are evenly arranged at the position where the first heating wire embedding block 3 is set on the first joint 1; and the multiple second heat dissipation ports 11 are evenly arranged at the position where the second heating wire embedding block 5 is set on the second joint 2.

[0039] In this embodiment, a plurality of first heat dissipation ports 10 and a plurality of second heat dissipation ports 11 are respectively arranged on the first joint 1 and the second joint 2. During the process of docking the two pipes, the excess heat generated by the first heating wire 4 and the second heating wire 6 will be discharged through the plurality of first heat dissipation ports 10 or the plurality of second heat dissipation ports 11 to avoid the excess heat from damaging the electric fusion pipe joint or the pipes to be connected.

[0040] See also Figure 1 A first electrode column 12 is provided at one end of the first joint 1 close to the first heating wire embedding block 3; a second electrode column 13 is provided at one end of the second joint 2 close to the second heating wire embedding block 5; wherein the first electrode column 12 and the second electrode column 13 are connected to a power source to supply power to the first heating wire 4 and the second heating wire 6 respectively.

[0041] The first electrode column 12 and the second electrode column 13 are energized to increase the temperature of the first heating wire 4 and the second heating wire 6, thereby completing the heat-melt connection between the first joint 1 and the second joint 2 and the corresponding pipes to be connected.

[0042] See also Figure 1 A thread is provided at one end of the first joint 1 close to the first heating wire embedding block 3, a first sleeve is provided inside the first heating wire embedding block 3, and the first sleeve is threadedly connected to the first joint 1; a thread is provided at one end of the second joint 2 close to the second heating wire embedding block 5, a second sleeve is provided inside the second heating wire embedding block 5, and the second sleeve is threadedly connected to the second joint 2.

[0043] In this embodiment, by providing the first sleeve and the second sleeve, when hot-melting the pipe, the first sleeve and the second sleeve are heated to a molten state by the first heating wire 4 and the second heating wire 6 respectively, so as to be connected to the pipe to be connected. In this way, when it is necessary to remove the first joint 1 or the second joint 2, it can be removed smoothly for secondary use.

[0044] See also Figure 1 A first sealing ring 14 is provided between the first joint 1 and a pipe to be connected; a second sealing ring 15 is provided between the second joint 2 and another pipe to be connected.

[0045] Among them, a first sealing ring 14 is arranged between the first joint 1 and a pipe to be connected, and a second sealing ring 15 is arranged between the second joint 2 and another pipe. This scheme is used as a pre-selected scheme, that is, if the sealing ring 9, the first sealing ring 104, and the second sealing ring 204 lose their sealing performance, the first sealing ring 14 and the second sealing ring 15 can exert their sealing performance.

[0046] The above are only preferred embodiments of the present application, and are not intended to limit the patent scope of the present application. Any equivalent structure or equivalent process transformation made using the contents of the present application specification and drawings, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present application.

Claims

1. An electric fusion pipe joint, characterized in that: include: A first joint (1) having a first matching groove at an end thereof; A second joint (2) connected to the first joint (1), the second joint (2) and the first joint (1) being coaxially arranged, and a second matching groove being provided at an end of the second joint (2); A first heating wire engaging block (3) is arranged in the first matching groove; A first heating wire (4) is arranged on the first heating wire embedding block (3); A second heating wire engaging block (5) is arranged in the second matching groove; A second heating wire (6) is arranged on the second heating wire embedding block (5); A sealing ring (7) is connected to a side of the first joint (1) close to the second joint (2).

2. The electric fusion pipe joint according to claim 1, characterized in that: A first connection portion (101) is provided at one end of the first joint (1) close to the second joint (2), and a second connection portion (201) is provided at one end of the second joint (2) close to the first joint (1), and the first connection portion (101) and the second connection portion (201) are arranged opposite to each other; The first connecting portion (101) is provided with a plurality of first connecting holes (102), and the second connecting portion (201) is provided with a plurality of second connecting holes (202), the number of the first connecting holes (102) is the same as the number of the second connecting holes (202) and corresponds one to one, and bolts pass through the corresponding first connecting holes (102) and the second connecting holes (202) to connect the first joint (1) and the second joint (2) together.

3. The electric fusion pipe joint according to claim 2, characterized in that: The electrofusion pipe joint also includes: The sealing gasket (8) is arranged between the first connecting portion (101) and the second connecting portion (201), and a plurality of through holes (801) are evenly formed on the sealing gasket (8), and the bolts pass through the through holes (801).

4. The electric fusion pipe joint according to claim 1, characterized in that: Sealing rings (9) are provided on both sides of the sealing ring (7).

5. The electric fusion pipe joint according to claim 1, characterized in that: A first cavity (103) is provided at one end of the first joint (1) close to the first heating wire inserting block (3), and a first sealing ring (104) is provided in the first cavity (103); A second cavity (203) is provided at one end of the second joint (2) close to the second heating wire inserting block (5), and a second sealing ring (204) is provided in the second cavity (203).

6. The electric fusion pipe joint according to claim 1, characterized in that: The inner diameter of the end of the first joint (1) away from the first heating wire inserting block (3) is a, the outer diameter of the pipe to be connected is b, and a>b; The inner diameter of the end of the second joint (2) away from the second heating wire embedding block (5) is c, and c>b.

7. The electrofusion pipe joint according to claim 1, characterized in that: The electrofusion pipe joint also includes: A plurality of first heat dissipation openings (10) are evenly arranged at the position where the first heating wire embedding block (3) is arranged on the first joint (1); A plurality of second heat dissipation openings (11) are evenly arranged at the position where the second heating wire inserting block (5) is arranged on the second joint (2).

8. The electrofusion pipe joint according to claim 1, characterized in that: A first electrode column (12) is provided at one end of the first joint (1) close to the first heating wire embedding block (3), and a second electrode column (13) is provided at one end of the second joint (2) close to the second heating wire embedding block (5); Wherein, the first electrode column (12) and the second electrode column (13) are connected to a power source to supply power to the first heating wire (4) and the second heating wire (6) respectively.

9. The electrofusion pipe joint according to claim 1, characterized in that: One end of the first joint (1) close to the first heating wire embedding block (3) is provided with a thread, and a first sleeve is provided inside the first heating wire embedding block (3), and the first sleeve is threadably connected to the first joint (1); One end of the second joint (2) close to the second heating wire embedding block (5) is provided with a thread, and a second sleeve is provided inside the second heating wire embedding block (5), and the second sleeve is threadably connected to the second joint (2).

10. The electrofusion pipe joint according to claim 1, characterized in that: A first sealing ring (14) is provided between the first joint (1) and a pipe to be connected, and a second sealing ring (15) is provided between the second joint (2) and another pipe to be connected.

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