Single-end connection carbon fiber heating wire terminal

By adding heat dissipation components and setting pointed tips in the heating wire terminals, the problems of high-temperature melting of heating wire connectors and instability of wire cores are solved, achieving higher heat dissipation efficiency and stability, and reducing the failure rate.

CN223713103UActive Publication Date: 2025-12-23GUANGDONG XINGGUANG ELECTRIC HEATING PROD CO LTD
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Patent Information

Application Number
CN202422067524.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-26
Publication Date
2025-12-23
Estimated Expiration
2034-08-26

AI Technical Summary

Technical Problem

Existing electric heating wire connectors are prone to high-temperature melting and have a high failure rate, and the wire cores are not tight and unstable.

Method used

Design a single-ended carbon fiber heating wire terminal, comprising a wire fixing component, a wire core fixing component, a heat dissipation component, and a plug-in component. By adding a heat dissipation component between the wire core fixing component and the plug-in component, and providing a pointed tip at the extension end of the fixing component, the heat dissipation space and speed are increased.

Benefits of technology

It improves the tightness and stability of the wire core, reduces the failure rate, enhances heat dissipation efficiency, and reduces high-temperature melting.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the field of wire harness connecting terminals, in particular to a single-end connection carbon fiber heating wire terminal, which comprises a wire fixing piece, a wire core fixing piece, a heat dissipation piece and a plug connector. The wire core fixing part is arranged between the wire fixing part and the heat dissipation part, the wire core fixing part, the wire fixing part and the heat dissipation part are connected to form a groove with an arc-shaped butt joint groove bottom, the wire fixing part comprises a first fixing part and a second fixing part, and the first fixing part and the second fixing part are both rectangular; the wire core fixing piece comprises a third fixing piece and a fourth fixing piece, the third fixing piece and the fourth fixing piece are rectangular, and the third fixing piece and the fourth fixing piece are symmetrically arranged according to the central axis of the groove; the heat dissipation pieces are arranged between the wire core fixing piece and the plug connector and comprise the first heat dissipation piece and the second heat dissipation piece, the first heat dissipation piece is of a groove-shaped structure with the central angle of the cross section smaller than 90 degrees, and the second heat dissipation piece is of a semicircular groove with the cross section in a semicircular tube shape; the plug connector is of a circular-tube-shaped structure. According to the structure, the high-temperature fusing phenomenon is greatly reduced, and the fault rate can be reduced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the field of wiring harness connection terminal, especially single -end connection carbon fiber heating wire terminal. BACKGROUND

[0002] The electric heating wire is also named as heating wire, heating wire and electric heating wire, and its main use is heating, for example, the electric heating wire is often used as a heating element in household electrical products such as heater, water heater and electric blanket.Due to the high-temperature alloy material used by the electric heating wire, its characteristics of high temperature and high voltage can provide higher power and heating effect.Therefore, the wiring harness connection terminal connected with the electric heating wire joint also has higher requirements.The wiring terminal on the market is prone to high-temperature fusing during use, has a high failure rate and is inconvenient to use.

[0003] Therefore, a single-end connection carbon fiber heating wire terminal is needed to solve the above technical problems. UTILITY MODEL CONTENT

[0004] In order to overcome the above problems of high-temperature fusing, high failure rate, loose and unstable wire core, the utility model provides a single-end connection carbon fiber heating wire terminal provided with a heat dissipation piece.

[0005] In order to solve the above technical problems, the utility model embodiment provides the following technical scheme:

[0006] A single-end connection carbon fiber heating wire terminal, comprising a wire fixing piece, a wire core fixing piece, a heat dissipation piece and a plug-in piece.

[0007] The wire core fixing piece is arranged between the wire fixing piece and the heat dissipation piece, and the three are connected to form a groove with an arc-shaped bottom for butt joint, the wire fixing piece comprises a first fixing piece and a second fixing piece, the first fixing piece and the second fixing piece are both rectangular, and the first fixing piece and the second fixing piece are arranged symmetrically according to the center line axis of the groove.

[0008] The wire core fixing piece comprises a third fixing piece and a fourth fixing piece, the third fixing piece and the fourth fixing piece are both rectangular, and the third fixing piece and the fourth fixing piece are arranged symmetrically according to the center line axis of the groove.

[0009] The heat dissipation piece is arranged between the wire core fixing piece and the plug-in piece, and comprises a first heat dissipation piece and a second heat dissipation piece, the first heat dissipation piece is a groove structure with a central angle of less than 90 degrees in the cross section, and the second heat dissipation piece is a semicircular groove with a semicircular tubular cross section.

[0010] The plug-in piece is a circular tubular structure, and the center line of the plug-in piece is on the same straight line as the center line of the groove.

[0011] As a further scheme of the present utility model: the second radiating piece has a notch on the end close to the fourth fixing piece.

[0012] As a further scheme of the present utility model: the radiating piece and the plug-in piece are further provided with a limiting piece, the limiting piece is a circular tube, the diameter of the circular tube is larger than that of the plug-in piece, and the center line of the limiting piece is on the same line as the center line of the plug-in piece.

[0013] As a further scheme of the present utility model: the end of the plug-in piece away from the radiating piece is provided with a chamfer.

[0014] As a further scheme of the present utility model: the extension end of the third fixing piece and the extension end of the fourth fixing piece are respectively provided with a sharp end in the thickness direction.

[0015] As a further scheme of the present utility model: the material of the single-head connecting carbon fiber heating wire terminal is phosphor copper sheet or brass sheet or tinned copper.

[0016] The single-head connecting carbon fiber heating wire terminal has the following beneficial effects: on the basis of the conventional design, the radiating piece is added between the wire core fixing piece and the plug-in piece, the radiating piece is a notched tubular structure, which increases the radiating space and facilitates the structure for increasing the radiating speed, and the sharp end is arranged on the extension end surface of the wire core fixing piece, which increases the radiating speed and tightly fixes the wire core, thereby greatly reducing the failure rate. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced. The drawings are used to provide further understanding of the present application and constitute a part of the specification, and are used to explain the present application together with the following embodiments, but do not constitute a limitation to the present application. For those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings. The elements or components with the same reference numerals in the drawings represent similar corresponding elements or components, and the sizes in the drawings do not constitute a proportional limitation unless otherwise specified.

[0018] Figure 1 is a structure schematic view of the single-head connecting carbon fiber heating wire terminal of the present utility model;

[0019] Figure 2 is a front view of the single-head connecting carbon fiber heating wire terminal of the present utility model;

[0020] Figure 3 is a top view of the single-head connecting carbon fiber heating wire terminal of the present utility model;

[0021] Figure 4 It is the single head connection carbon fiber heating wire terminal left view of the utility model.

[0022] In the figure: 1-wire fixing part, 11-first fixing part, 12-second fixing part, 2-core fixing part, 21-third fixing part, 22-fourth fixing part, 3-radiating part, 31-first radiating part, 32-second radiating part, 32a-gap, 4-limiting part, 5-plug-in part, 5a-chamfer, 6-groove. DETAILED DESCRIPTION

[0023] In order to make the utility model's purpose, technical scheme and advantage more clearly, following combining with the drawing and example, a single head connection carbon fiber heating wire terminal of the utility model is further explained in detail.It should be understood that the specific example described here is only used to explain the utility model, and is not used to limit the utility model.

[0024] In the description of the utility model, unless otherwise specified, the meaning of "multiple" is two or more than two;The orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail", "vertical", "horizontal", "top", "bottom", "inner", "outer" is based on the orientation or positional relationship shown in the drawing, which is only for the convenience of describing the utility model and simplifying the description, and is not used to indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation on the utility model.In addition, the terms "first", "second", "third" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0025] In the description of the utility model, it should be pointed out that, unless otherwise specified and limited, the terms "mounting", "connection" and "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected;It can be mechanically connected, or it can be electrically connected;It can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the communication inside two elements.For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood through specific circumstances.

[0026] As shown in Figure 1 、 Figure 2 、 Figure 3 A single head connection carbon fiber heating wire terminal, comprising a wire fixing part 1, a core fixing part 2, a radiating part 3 and a plug-in part 5.

[0027] The wire core fixing part 2 is arranged between the wire fixing part 1 and the heat dissipation part 3, and the three are connected to form a groove 6 with an arc-shaped butt joint at the bottom, the wire fixing part 1 comprises a first fixing part 11 and a second fixing part 12, the first fixing part 11 and the second fixing part 12 are both rectangular, and the first fixing part 11 and the second fixing part 12 are arranged in axial symmetry according to the center line of the groove 6.

[0028] The wire core fixing part 2 comprises a third fixing part 21 and a fourth fixing part 22, the third fixing part 21 and the fourth fixing part 22 are both rectangular, and the third fixing part 21 and the fourth fixing part 22 are arranged in axial symmetry according to the center line of the groove 6.

[0029] The heat dissipation part 3 is arranged between the wire core fixing part 2 and the plug-in part 5, and comprises a first heat dissipation part 31 and a second heat dissipation part 32, the first heat dissipation part 31 is a groove structure with a central angle of less than 90 degrees in the cross section, and the second heat dissipation part 32 is a semicircular groove with a semicircular tubular cross section.

[0030] The plug-in part 5 is a circular tubular structure, and the center line of the plug-in part 5 is on the same straight line as the center line of the groove 6.

[0031] The single-head connecting carbon fiber heating wire terminal is formed by cutting and stamping, in use, the first fixing part 11 is used to tightly clamp the outer skin of the carbon fiber heating wire, then the second fixing part 12 is used to overlap and wrap the first fixing part 11, and finally the first fixing part 11 and the second fixing part 12 are compressed tightly. The use order of the first fixing part 11 and the second fixing part 12 can be reversed.

[0032] The third fixing part 21 and the fourth fixing part 22 are lower than the first fixing part 11 and the second fixing part 12 in the height direction, and in use, the extension end of the third fixing part 21 and the extension end of the fourth fixing part 22 are respectively inserted into the middle of the heating wire core in the opposite direction, so that the heating wire core is divided into two bundles and is tightly clamped, and the cross section of the wire core fixing part 2 after being tightly clamped is similar to the capital letter B. This structure can tightly and stably wrap the heating wire core.

[0033] The heat dissipation part 3 is in the shape of a C-shaped groove, and the groove diameter is greater than the groove diameter of the groove formed by the wire core fixing part 2, so that there is a heat dissipation space and a heat dissipation gap, which can improve the heat dissipation efficiency and greatly reduce the failure rate.

[0034] As shown in Figure 1 , Figure 2 , Figure 3 As a further scheme of the utility model, the second heat dissipation part 32 has a notch 32a near the end of the fourth fixing part 22.

[0035] The notch 32a is arranged on the second heat-dissipating member 32, which can reduce damage in the processing, reduce the waste rate, and increase the heat-dissipating space and the heat-dissipating speed.

[0036] As shown in Figure 1 , Figure 2 , Figure 3 As further schemes of the utility model, the heat-dissipating member 3 and the plug-in member 5 are further provided with a limiting member 4, the limiting member 4 is in a circular tube shape, the diameter of the circular tube is greater than the diameter of the circular tube of the plug-in member 5, and the center line of the limiting member 4 is on the same line with the center line of the plug-in member 5.

[0037] In the plug-in process, the limiting member 4 is beneficial to limiting the plug-in member 5.

[0038] In some embodiments, a single-head connecting carbon fiber heating wire terminal comprises a wire fixing member 1, a wire core fixing member 2, a heat-dissipating member 3, a limiting member 4 and a plug-in member 5; the wire core fixing member 2 is arranged between the wire fixing member 1 and the heat-dissipating member 3, and the three are connected to form the groove 6 with an arc-shaped butt joint bottom; the wire fixing member 1 comprises a first fixing member 11 and a second fixing member 12, both of which are in a rectangular shape and are symmetrically arranged according to the center line of the groove 6; the wire core fixing member 2 comprises a third fixing member 21 and a fourth fixing member 22, both of which are in a rectangular shape and are symmetrically arranged according to the center line of the groove 6; the heat-dissipating member 3 is arranged between the wire core fixing member 2 and the plug-in member 5, and comprises a first heat-dissipating member 31 and a second heat-dissipating member 32; the first heat-dissipating member 31 is in a groove shape with a central angle of less than 90 degrees in the cross section; the second heat-dissipating member 32 is in a semicircular groove shape with a semicircular tube in the cross section; the plug-in member 5 is in a circular tube shape, and the center line of the plug-in member 5 is on the same line with the center line of the groove 6. The limiting member 4 is located between the heat-dissipating member 3 and the plug-in member 5, and is in a circular tube shape, the diameter of the circular tube is greater than the diameter of the circular tube of the plug-in member 5, and the center line of the limiting member 4 is on the same line with the center line of the plug-in member 5.

[0039] As shown in Figure 1 , Figure 2 , Figure 3 As further schemes of the utility model, the plug-in member 5 is provided with a chamfer 5a away from the heat-dissipating member 3.

[0040] The chamfer 5a is in a conical shape or a semicircular spherical shape. The chamfer 5a is beneficial to facilitating and quickening the plug-in process.

[0041] As shown in Figure 1 ,Figure 2 、 Figure 3 、 Figure 4 As further schemes of the utility model, as shown in the drawings, the extension end of the third fixing member 21 and the extension end of the fourth fixing member 22 are respectively provided with a sharp head 2a in the thickness direction.

[0042] The sharp head 2a is arranged, which is beneficial to the third fixing member 21 and the fourth fixing member 22 to divide the wire core into two bundles during the fastening of the wire core, and better tightening effect is achieved.

[0043] As shown in the drawings, Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 As further schemes of the utility model, the material of the single-head connecting carbon fiber heating wire terminal is phosphor copper sheet or brass sheet or tin-plated copper. The phosphor copper sheet or brass sheet or tin-plated copper is selected as the material of the single-head connecting carbon fiber heating wire terminal, which is beneficial to matching the heating wire and better conducting electricity.

[0044] The above is only a preferred embodiment of the utility model, and does not limit the utility model in any form. Although the utility model has been disclosed as above, it is not intended to limit the utility model. Any skilled person in the art can make some changes or modifications to the above disclosed technical content without departing from the technical scheme of the utility model, and equivalent embodiments with equivalent changes are obtained. Any simple modification, equivalent change and modification of the above embodiments according to the technical essence of the utility model are still within the scope of the technical scheme of the utility model.

Claims

1. A single-head connecting carbon fiber heating wire terminal, characterized by: The utility model relates to a single-head connecting carbon fiber heating wire terminal, including wire fixing piece, wire core fixing piece, heat dissipation piece and plug-in piece. The wire core fixing piece is arranged between the wire fixing piece and the heat dissipation piece, and the three are connected to form a groove with an arc-shaped butt joint bottom; the wire fixing piece comprises a first fixing piece and a second fixing piece, both of which are rectangular; the first fixing piece and the second fixing piece are symmetrically arranged according to the center line axis of the groove; The wire core fixing piece comprises a third fixing piece and a fourth fixing piece, both of which are rectangular; the third fixing piece and the fourth fixing piece are symmetrically arranged according to the center line axis of the groove; The heat dissipation piece is arranged between the wire core fixing piece and the plug-in piece, and comprises a first heat dissipation piece and a second heat dissipation piece; the first heat dissipation piece is a groove-shaped structure with a central angle of less than 90 degrees in the cross section; and the second heat dissipation piece is a semicircular groove with a semicircular tubular cross section; The plug-in piece is a circular tubular structure, and the center line of the plug-in piece is on the same straight line as the center line of the groove.

2. The single-head connecting carbon fiber heating wire terminal according to claim 1, characterized in that: The second heat dissipation piece has a notch near the end of the fourth fixing piece.

3. The single-head connecting carbon fiber heating wire terminal according to claim 1 or 2, characterized in that: The heat dissipation piece and the plug-in piece are further provided with a limiting piece; the limiting piece is a circular tube, and the diameter of the circular tube is greater than that of the plug-in piece; and the center line of the limiting piece is on the same straight line as the center line of the plug-in piece.

4. The single-head connecting carbon fiber heating wire terminal according to claim 3, characterized in that: The end of the plug-in piece away from the heat dissipation piece is provided with a chamfer.

5. The single-head connecting carbon fiber heating wire terminal according to claim 4, characterized in that: The extension end of the third fixing piece and the extension end of the fourth fixing piece are respectively provided with a sharp head in the thickness direction.

6. The single-head connecting carbon fiber heating wire terminal according to claim 5, characterized in that: The material of the single-head connecting carbon fiber heating wire terminal is phosphor copper sheet, brass sheet or tinned copper.