Multi-layer core-spun nickel-chromium electrothermal alloy wire

Abstract

The utility model belongs to the technical field of electrothermal alloy wires, and particularly relates to a multilayer core-spun nickel-chromium electrothermal alloy wire, which comprises an alloy wire body, a reinforcing column for supporting is arranged in the alloy wire body, an accommodating bin for accommodating the alloy wire body is spirally arranged on the outer wall of the reinforcing column, and the alloy wire body is arranged in the accommodating bin. At least part of the alloy wire body is embedded in the containing bin, an arc groove is spirally formed in the outer wall of the reinforcing column, end holes communicated with the two ends of the arc groove are formed in the two ends of the reinforcing column, the containing bin is formed between the arc groove and the two end holes, the alloy wire body comprises a plurality of strands of twisted nickel-chromium battery cells, and the nickel-chromium battery cells are arranged in the containing bin. According to the nickel-chromium alloy wire, the reinforcing columns are additionally arranged, the alloy wire body can be prevented from being pulled to be separated or broken through the reinforcing columns, meanwhile, the alloy wire body can be prevented from being separated and stretched, and the service life of the alloy wire body is prolonged.

Description

Technical Field

[0001] The utility model belongs to the technical field of electrothermal alloy wires, and particularly relates to a nickel-chromium electrothermal alloy wire with a multi-layer core. Background Technique

[0002] Electrothermal alloy refers to a resistance alloy that uses the resistance characteristics of metals to make heating elements. Electrothermal alloy wires are mainly composed of elements such as chromium, nickel, and a small amount of iron, carbon, silicon, manganese, etc.

[0003] Existing electrothermal alloy wires are generally supported by their own strength. Therefore, when subjected to external pulling, the electrothermal alloy wires are extremely likely to be separated and broken, affecting the overall heating effect and causing damage to the electrothermal alloy wires. Content of the Utility Model

[0004] The purpose of the utility model is to provide a nickel-chromium electrothermal alloy wire with a multi-layer core to solve the problems raised in the above background technique.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: A nickel-chromium electrothermal alloy wire with a multi-layer core, comprising: an alloy wire body, a strengthening column for support is arranged in the alloy wire body, a receiving cavity for receiving the alloy wire body is spirally arranged on the outer wall of the strengthening column, and at least part of the alloy wire body is embedded in the receiving cavity.

[0006] Preferably, arc grooves are spirally arranged on the outer wall of the strengthening column, end holes communicating with both ends of the arc grooves are arranged at both ends of the strengthening column, and the receiving cavity is formed between the arc grooves and the two end holes.

[0007] Preferably, the alloy wire body includes multiple stranded nickel-chromium electric cores, and steel wires for tensile resistance are arranged between the multiple nickel-chromium electric cores.

[0008] Preferably, a plurality of heat dissipation holes for heat dissipation are also axially penetrated through the strengthening column, and the plurality of heat dissipation holes are respectively arranged around the end holes.

[0009] Preferably, a plurality of through holes for heat dissipation are also equidistantly arranged in the arc grooves, and one ends of the plurality of through holes respectively extend into the adjacent through holes.

[0010] Preferably, an installation seat for support is also arranged below the strengthening column, support columns are arranged at both ends of the top of the installation seat, and the strengthening column is detachably installed on the two support columns.

[0011] Preferably, a spherical block is arranged at the top of each support column, and a spherical groove for the spherical block to be snap-fitted and inserted is arranged on the strengthening column.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] (1) The utility model avoids the pulling separation or breakage of the alloy wire body through the added strengthening column, and at the same time can avoid the separation elongation of the alloy wire body, improving the service life of the alloy wire body.

[0014] (2) The utility model is provided with an arc groove and an end hole, so as to facilitate the fitting and installation of the alloy wire body on the strengthening column, avoid the displacement of the alloy wire body on the strengthening column, and improve the stability of the alloy wire body on the strengthening column.

[0015] (3) The utility model is provided with steel wires in the alloy wire body, and the tensile strength of the alloy wire body can be improved through the steel wires. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is the front view of the utility model;

[0017] Figure 2 is the front view of the strengthening column and the arc groove of the utility model;

[0018] Figure 3 is the rear view of the strengthening column and the arc groove of the utility model;

[0019] Figure 4 is the cross-sectional view of the strengthening column and the support column of the utility model;

[0020] Figure 5 is the front view of the end of the strengthening column of the utility model;

[0021] Figure 6 is the front view of the end of the alloy wire body of the utility model;

[0022] In the figure: 1, alloy wire body; 2, strengthening column; 3, arc groove; 4, support column; 5, mounting seat; 6, end hole; 7, heat dissipation hole; 8, ball groove; 9, ball block; 10, through hole; 11, nickel-chromium battery core; 12, steel wire. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0023] The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0024] Reference Figure 1As shown in the figure, a nickel-chromium electrothermal alloy wire with a multi-layer core provided by the present utility model includes: an alloy wire body 1, a reinforcing column 2 for support is arranged in the alloy wire body 1, a receiving cavity for receiving the alloy wire body 1 is spirally arranged on the outer wall of the reinforcing column 2, and at least part of the alloy wire body 1 is embedded in the receiving cavity.

[0025] As described above, when using the alloy wire body 1 and the reinforcing column 2 provided by the present utility model, the reinforcing column 2 provides an installation position for the alloy wire body 1, which can prevent the alloy wire body 1 from separating, stretching and breaking.

[0026] Furthermore, in order to facilitate the alloy wire body 1 to be fitted and installed on the reinforcing column 2, referring to Figures 2 - 5 As shown in the figure, arc grooves 3 are spirally arranged on the outer wall of the reinforcing column 2, end holes 6 communicating with both ends of the arc grooves 3 are arranged at both ends of the reinforcing column 2, and the receiving cavity is formed between the arc grooves 3 and the two end holes 6. The arc grooves 3 and the end holes 6 facilitate the alloy wire body 1 to be fitted and wound around the reinforcing column 2, preventing the alloy wire body 1 from detaching from the reinforcing column 2.

[0027] In the present utility model, referring to Figure 6 As shown in the figure, the alloy wire body 1 of this embodiment includes multiple strands of stranded nickel-chromium electric cores 11, and steel wires 12 for tensile resistance are arranged between the multiple strands of nickel-chromium electric cores 11.

[0028] As described above, when using the steel wires 12 provided by the present utility model, the tensile strength of the nickel-chromium electric cores 11 can be improved through the steel wires 12, and the service life of the alloy wire body 1 can be extended.

[0029] In the present utility model, referring to Figures 4 - 5 As shown in the figure, a plurality of heat dissipation holes 7 for heat dissipation are also axially penetrated through the reinforcing column 2 of this embodiment, and the plurality of heat dissipation holes 7 are respectively arranged around the end holes 6.

[0030] Referring to Figure 5 As shown in the figure, a plurality of through holes 10 for heat dissipation are also equidistantly arranged in the arc grooves 3, and one ends of the plurality of through holes 10 respectively extend into the adjacent through holes 10.

[0031] As described above, when using the heat dissipation holes 7 provided by the present utility model, the heat generated by the alloy wire body 1 when it is energized is discharged outward through the heat dissipation holes 7 and the plurality of through holes 10, preventing the reinforcing column 2 from overheating and expanding and preventing the alloy wire body 1 from being strained due to force.

[0032] In the present utility model, referring to Figure 3 As shown in the figure, an installation base 5 for support is also arranged below the reinforcing column 2 of this embodiment, support columns 4 are arranged at both ends of the top of the installation base 5, and the reinforcing column 2 is detachably installed on the two support columns 4.

[0033] Referring to Figures 1 - 4As shown, a ball block 9 is provided on the top of each support column 4, and a ball groove 8 for accommodating the ball block 9 to be inserted and engaged is opened on the reinforcement column 2.

[0034] As mentioned above, when using the mounting seat 5 provided by the utility model, the mounting seat 5 is installed in a predetermined mounting position, and the reinforcing column 2 can be detachably mounted on the mounting seat 5 through the support column 4. When it is necessary to inspect the reinforcing column 2 and the alloy wire body 1, it is only necessary to push the reinforcing column 2 upward to allow the ball block 9 to overcome the extrusion force and allow the ball block 9 to be separated from the ball groove 8, thereby facilitating the inspection of the reinforcing column 2 and the alloy wire body 1.

[0035] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A nickel-chromium electrothermal alloy wire with a multi-layer cored structure, characterized in that, Including: An alloy wire body (1), wherein a reinforcing column (2) for support is provided in the alloy wire body (1). A receiving cavity for receiving the alloy wire body (1) is spirally formed on the outer wall of the reinforcing column (2), and at least part of the alloy wire body (1) is embedded in the receiving cavity.

2. The nickel-chromium electrothermal alloy wire with a multi-layer core as claimed in claim 1, characterized in that: An arc groove (3) is spirally formed on the outer wall of the reinforcing column (2). End holes (6) communicating with both ends of the arc groove (3) are formed at both ends of the reinforcing column (2), and the receiving cavity is formed between the arc groove (3) and the two end holes (6).

3. A nickel-chromium electrothermal alloy wire with a multi-layer core as claimed in claim 1, characterized in that: The alloy wire body (1) includes a plurality of stranded nickel-chromium electric cores (11), and steel wires (12) for tensile resistance are arranged between the plurality of nickel-chromium electric cores (11).

4. A nickel-chromium electrothermal alloy wire with a multi-layer core as claimed in claim 1, characterized in that: A plurality of heat dissipation holes (7) for heat dissipation are also axially formed through the reinforcing column (2), and the plurality of heat dissipation holes (7) are respectively arranged around the end holes (6).

5. A nickel-chromium electrothermal alloy wire with a multi-layer core as claimed in claim 2, characterized in that: A plurality of through holes (10) for heat dissipation are also equidistantly formed in the arc groove (3), and one ends of the plurality of through holes (10) respectively extend into the adjacent through holes (10).

6. A nickel-chromium electrothermal alloy wire with a multi-layer core as claimed in claim 1, characterized in that: An installation seat (5) for support is further provided below the reinforcing column (2). Support columns (4) are provided at both ends of the top of the installation seat (5), and the reinforcing column (2) is detachably installed on the two support columns (4).

7. A nickel-chromium electrothermal alloy wire with a multi-layer core as claimed in claim 6, characterized in that: A ball block (9) is provided at the top of each support column (4), and a ball groove (8) for the ball block (9) to be snap-fitted and inserted is formed on the reinforcing column (2).

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