CN218039811U

CN218039811U - Switchable electrode joint for PE electric melting pipe fitting

Info

Publication number: CN218039811U
Application number: CN202221742227.XU
Authority: CN
Inventors: 曾剑锋; 华允浩
Original assignee: Linhai Weixing New Building Materials Co Ltd
Current assignee: Linhai Weixing New Building Materials Co Ltd
Priority date: 2022-07-08
Filing date: 2022-07-08
Publication date: 2022-12-13
Anticipated expiration: 2032-07-08

Abstract

The utility model discloses a changeable electrode joint for PE electric smelting pipe fitting, including 4.7mm electrode joint, 4.0mm electrode joint, spring and elasticity stop gear, 4.7mm electrode joint and 4.0mm electrode joint are one end confined tubular structure, insert spring and 4.0mm electrode joint in proper order in the 4.7mm electrode joint, first spacing hole and the spacing hole of second have been seted up on the section of thick bamboo wall of 4.7mm electrode joint, the spacing hole of third has been seted up to the section of thick bamboo wall of 4.0mm electrode joint, elasticity stop gear fixes in 4.0mm electrode joint, elasticity stop gear passes third spacing hole and first spacing hole or the spacing hole of second in proper order and carries on spacingly, carry out the switching of not unidimensional electrode joint through compression spring and the hookup location who switches over elasticity stop gear and 4.7mm electrode joint. The utility model discloses a switchable electrode structure has two inside and outside electrode posts, and the internal diameter is 4.0mm and 4.7mm respectively, satisfies national standard 4.0mm and 4.7 mm's electrode specification, can switch over the electrode post as required fast, has improved the efficiency of construction greatly.

Description

Switchable electrode joint for PE electric melting pipe fitting

Technical Field

The utility model belongs to the technical field of the electric smelting instrument, concretely relates to changeable electrode joint for PE electric smelting pipe fitting.

Background

The national standard specification of present electric smelting pipe fitting electrode is 4.0mm and 4.7mm, and when the construction, constructor often need make a round trip dismouting electrode joint and wire according to different electrode specifications, and the construction is wasted time and energy and is influenced the construction progress. Moreover, the electrode joint and the lead are disassembled for many times, or poor contact at the interface is easy to occur due to non-connection or on-site sundries, so that the situations of unqualified welding and the like occur due to unstable current during electric melting of the pipe fitting. If welding is performed using electrode tabs having mismatched dimensions, the contact area of the electrode tabs with the electrodes is insufficient, and the contact resistance becomes large, thereby causing a sharp rise in heat, damaging the electrodes, or causing welding failure. Both of the above two situations may seriously affect the welding quality of the pipeline, causing potential safety hazards and property loss.

SUMMERY OF THE UTILITY MODEL

To the problem that the electrode joint that above-mentioned exists was changed, an object of the utility model is to provide a changeable electrode joint for PE electric smelting pipe fitting.

In order to achieve the purpose, the following technical scheme is provided:

the utility model provides a changeable electrode joint for PE electric smelting pipe fitting, its characterized in that includes 4.7mm electrode joint, 4.0mm electrode joint, spring and elasticity stop gear, 4.7mm electrode joint and 4.0mm electrode joint are one end confined tubular structure, insert spring and 4.0mm electrode joint in proper order in the 4.7mm electrode joint, first spacing hole and the spacing hole of second have been seted up on the section of thick bamboo wall of 4.7mm electrode joint, the spacing hole of third has been seted up to the section of thick bamboo wall of 4.0mm electrode joint, elasticity stop gear fixes in the 4.0mm electrode joint, elasticity stop gear passes third spacing hole and first spacing hole or the spacing hole of second in proper order and carries out spacingly, carry out the switching of not unidimensional electrode joint through compression spring and the hookup location of switching elasticity stop gear and 4.7mm electrode joint.

Further, elasticity stop gear is triangle-shaped jump ring and couple structure, the couple structure is located in 4.0mm electrode joint's the closed end, the upper end of triangle-shaped jump ring is hung structurally at the couple, lower part both ends cylinder level extends to pass spacing hole of third and first spacing hole or the spacing hole of second in proper order and carries on spacingly, the cylinder level at lower part both ends extends to and slightly surpasss 4.7mm electrode joint section of thick bamboo wall, make the jump ring break away from first spacing hole or the spacing hole of second through the cylinder of pressing triangle-shaped jump ring both ends, thereby carry out hookup location's switching.

Further, when the triangular clamp spring sequentially passes through the third limiting hole and the first limiting hole, the end part of the connecting end of the 4.0mm electrode joint exceeds the end part of the connecting end of the 4.7mm electrode joint, and the 4.0mm electrode joint is directly connected with the 4.0mm welding joint for welding; and when the triangular clamp spring sequentially penetrates through the third limiting hole and the second limiting hole, the end part of the connecting end of the 4.7mm electrode joint exceeds the end part of the connecting end of the 4.0mm electrode joint, and the 4.7mm electrode joint is directly connected with the 4.7mm welding joint for welding.

Furthermore, a lead connector is arranged on the outer side of the closed end part of the 4.7mm electrode joint and used for connecting a lead.

Furthermore, an insulating sheath is sleeved outside the 4.7mm electrode joint, and the insulating sheath is made of a material easy to press.

Furthermore, the outer wall of the cylinder of the 4.0mm electrode joint is clung to the inner wall of the cylinder of the 4.7mm electrode joint, so that the conductivity is ensured.

The beneficial effects of the utility model reside in that:

1) By adopting a switchable electrode structure, the internal diameter of the switchable electrode structure is 4.0mm and 4.7mm, the electrode specification of national standard 4.0mm and 4.7mm is met, the switchable electrode structure can rapidly switch electrode columns according to the requirement, and the construction efficiency is greatly improved;

2) The electrode joint is prevented from rebounding due to external uncertain factors after electrode specification switching to cause welding failure by adopting the limiting hole combined with the elastic limiting mechanism as a switching control module;

3) The insulating sheath is adopted as protection, on one hand, the electrode joint is prevented from being directly contacted with air and being oxidized to influence the welding quality, and on the other hand, the electrode joint is prevented from being directly exposed to cause unnecessary potential safety hazards.

Drawings

Fig. 1 is a schematic three-dimensional structure diagram of the 4.7mm electrode joint of the present invention;

FIG. 2 is a schematic perspective view of a 4.0mm electrode tab of the present invention;

fig. 3 is a schematic perspective view of the triangular clamp spring of the present invention;

fig. 4 is a schematic perspective view of the insulating sheath of the present invention;

fig. 5 is a cross-sectional view of the present invention.

In the figure: 1. 4.7mm electrode tab; 11. a first limiting hole; 12. a second limiting hole; 13. a wire connector; 2. 4.0mm electrode tab; 21. a third limiting hole; 3. a spring; 4. a triangular clamp spring; 5. a hook structure; 6. an insulating sheath.

Detailed Description

The present invention will be further described with reference to the drawings, but the scope of the present invention is not limited thereto.

As shown in fig. 1 and 5, the 4.7mm electrode joint 1 is a long cylindrical structure with one closed end, a group of first limiting holes 11 and a group of second limiting holes 12 are formed in the cylindrical wall of the 4.7mm electrode joint 1, and a lead connector 13 is arranged outside the closed end of the 4.7mm electrode joint 1.

As shown in fig. 2 and 5, the 4.0mm electrode joint 2 is integrally a long cylindrical structure with one closed end, a group of third limiting holes 21 is formed on the cylindrical wall of the 4.0mm electrode joint 2, and a hook structure 5 is arranged in the closed end of the 4.0mm electrode joint 2.

As shown in fig. 3, two ends of the lower part of the triangular clamp spring 4 are cylindrical structures, the cylindrical structures horizontally extend to the two ends, and the end parts of the cylindrical structures are hemispheres.

As shown in fig. 4, the insulating sheath 6 has an elongated cylindrical structure, and an opening at the upper end is smaller than an opening at the lower end.

As shown in fig. 5, a switchable electrode joint for PE electric melting pipe fittings comprises a 4.7mm electrode joint 1 shown in fig. 1, a 4.0mm electrode joint 2 shown in fig. 2, a spring 3, a triangular snap spring 4 shown in fig. 3, and an insulating sheath 6 and a 4.7mm electrode joint 1 shown in fig. 4, wherein the spring 3 and the 4.0mm electrode joint 2 are sequentially inserted into the electrode joint 1, and the outer wall of the cylinder of the 4.0mm electrode joint 2 is closely attached to the inner wall of the cylinder of the 4.7mm electrode joint 1, the upper end of the triangular snap spring 4 is hung on a hook structure 5, the cylinders at the two ends of the lower part horizontally extend to sequentially pass through a third limiting hole 21 and a first limiting hole 11 or a second limiting hole 12 for limiting, the cylinders horizontally extend to slightly exceed the wall of the 4.7mm electrode joint 1, and when the triangular snap spring 4 sequentially passes through the third limiting hole 21 and the first limiting hole 11, the end of the 4.0mm electrode joint 2 exceeds the end of the 4.7mm electrode joint 1 for welding directly; pressing 4 both ends of triangle-shaped jump ring, remove spacingly, compression spring 3, when triangle-shaped jump ring 4 passed spacing hole 21 of third and the spacing hole 12 of second in proper order, 4.7mm electrode joint 1's link tip surpassed 4.0mm electrode joint 2's link tip, switch this moment and adopt 4.7mm electrode joint 1 lug connection 4.7mm welded joint to weld, 6 covers of insulating sheath are established in 4.7mm electrode joint 1 outsides, its material is the material of easily pressing.

The using method comprises the following steps: connecting wire, according to welded joint's size, if be 4.0mm welded joint, then directly adopt 4.0mm electrode joint 2 to connect welded joint and weld, if be 4.7mm welded joint, then press first spacing hole 11 department, compression spring 3 simultaneously, make triangle-shaped jump ring 4's lower part both ends pass the spacing hole 12 of second, switch into 4.7mm electrode joint 1, then connect welded joint and weld, after the welding is accomplished, press the spacing hole 12 department of second, under the effect of spring 3 elasticity, 4.0mm electrode joint 2 outwards removes, accomplish in inserting first spacing hole 11 and reset until triangle-shaped jump ring 4's both ends, the wire need not dismantled in-process, it is convenient to switch.

Claims

1. The utility model provides a changeable electrode joint for PE electric smelting pipe fitting, its characterized in that includes 4.7mm electrode joint (1), 4.0mm electrode joint (2), spring (3) and elasticity stop gear, 4.7mm electrode joint (1) and 4.0mm electrode joint (2) are the tubular structure that one end is confined, insert spring (3) and 4.0mm electrode joint (2) in proper order in 4.7mm electrode joint (1), first spacing hole (11) and second spacing hole (12) have been seted up on the section of thick bamboo wall of 4.7mm electrode joint (1), third spacing hole (21) have been seted up to the section of thick bamboo wall of 4.0mm electrode joint (2), elasticity stop gear fixes in 4.0mm electrode joint (2), elasticity stop gear passes third spacing hole (21) and first spacing hole (11) or second spacing hole (12) in proper order and carries out not the electrode joint's of unidimensional switching through compressing spring (3) and the hookup location of switching elasticity stop gear and 4.7mm electrode joint (1).

2. The switchable electrode joint for the PE electric melting pipe fitting according to claim 1, wherein the elastic limiting mechanism comprises a triangular clamp spring (4) and a hook structure (5), the hook structure (5) is arranged in the closed end portion of the 4.0mm electrode joint (2), the upper end of the triangular clamp spring (4) is hung on the hook structure (5), and cylinders at two ends of the lower portion horizontally extend to sequentially penetrate through a third limiting hole (21) and a first limiting hole (11) or a second limiting hole (12) for limiting.

3. The switchable electrode joint for PE electrofusion pipe fittings as claimed in claim 2, characterised in that when the triangular snap spring (4) passes through the third position-limiting hole (21) and the first position-limiting hole (11) in turn, the connecting end of the 4.0mm electrode joint (2) exceeds the connecting end of the 4.7mm electrode joint (1); when the triangular clamp spring (4) sequentially penetrates through the third limiting hole (21) and the second limiting hole (12), the end part of the connecting end of the 4.7mm electrode joint (1) exceeds the end part of the connecting end of the 4.0mm electrode joint (2).

4. A switchable electrode joint for PE electrofusion pipe fittings according to claim 3, characterised in that the closed end of the 4.7mm electrode joint (1) is provided with a wire connection (13) on the outside.

5. A switchable electrode joint for PE electrofusion tubing according to claim 4, characterised in that the 4.7mm electrode joint (1) is sheathed with an insulating sheath (6).

6. A switchable electrode joint for PE electrofusion tubing according to claim 5 characterised in that the outer cylinder wall of the 4.0mm electrode joint (2) is in close contact with the inner cylinder wall of the 4.7mm electrode joint (1).