Miniature high-current plug-in connector

Abstract

The utility model relates to the technical field of plug-in connectors, in particular to a small-sized high-current plug-in connector, which comprises a male plug and a female plug, two U-shaped copper sheets are fixed on the male plug, two bent copper sheets are fixed on the female plug, and the positions of the two U-shaped copper sheets respectively correspond to the positions of the two bent copper sheets. The U-shaped copper sheet is provided with a U-shaped groove, the bent copper sheet is provided with an insertion strip, and the insertion strip is embedded into the U-shaped groove and is in tight contact with the U-shaped groove. Compared with the prior art, the small-sized high-current plug-in connector provided by the utility model has the advantages that through the unique copper sheet design, good conductive performance can be provided under the condition of partial insertion, and high-efficiency current conduction is ensured; and a gold-plated brass material and a gold-plated pure copper material are used, so that the conductivity and durability of the plug are improved, and the problem of heat accumulation in current transmission is effectively reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of plug connector, especially to small high current plug connector.

BACKGROUND

[0002] Small battery plug is widely used in portable electronic equipment, electric tool, unmanned plane and smart home equipment and the field.

[0003] Many existing connectors (such as JST and PH2.0) are limited in cross-sectional area, resulting in limited current transmission and increased heat accumulation. Standard plugs usually need to be fully inserted to achieve optimal conductivity, which is inconvenient in some applications that require quick, safe and sometimes partial insertion connection.

UTILITARY MODEL CONTENT

[0004] In order to overcome the above problems, the utility model provides a small high current plug connector which can effectively solve the above problems.

[0005] The utility model provides a kind of small high current plug connector, including male plug and female plug, two U-shaped copper sheets are fixed on the male plug, two curved copper sheets are fixed on the female plug, the position of the two U-shaped copper sheets is respectively corresponding with the position of two curved copper sheets;U-shaped groove is provided on the U-shaped copper sheet, and insertion strip is provided on the curved copper sheet, and the insertion strip is embedded in U-shaped groove and is in close contact with U-shaped groove.

[0006] Preferably, the U-shaped copper sheet is made of brass material, and the surface is gold-plated.

[0007] Preferably, the curved copper sheet is made of pure copper material, and the surface is gold-plated.

[0008] Preferably, the male plug includes a male plug shell, the female plug includes a female plug shell, a first foolproof protrusion is provided on the male plug shell, a first foolproof groove matched with the first foolproof protrusion is provided on the female plug shell, and the first foolproof protrusion is embedded in the first foolproof groove.

[0009] Preferably, a second foolproof protrusion is provided on the male plug shell, a second foolproof groove matched with the second foolproof protrusion is provided on the female plug shell, and the second foolproof protrusion is embedded in the second foolproof groove.

[0010] Preferably, the overcurrent cross section of the small high current plug connector is not less than 0.69 square millimeters.

[0011] Compared with the prior art, the small high-current connector reduces the size and is light in weight: while ensuring the high-current transmission capacity, the size of the PH2.0 plug is maintained, and the design requirement of miniaturization is met; efficient conduction: through the unique copper sheet design, good conduction performance can be provided under the condition of partial insertion, and efficient current conduction is ensured; material optimization and heat management: gold-plated brass material and gold-plated pure copper material are used, the conductivity and durability of the plug are improved, and the problem of heat accumulation in current transmission is effectively reduced; universality and compatibility: the existing PH2.0 plug can be compatible, and the existing charger can directly charge the battery using the plug. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is a structure diagram of the small high-current connector of the utility model;

[0013] Figure 2 It is a bent copper sheet and U-shaped copper sheet plug connection schematic diagram of the small high-current connector of the utility model. DETAILED DESCRIPTION

[0014] In order to make the purpose, technical scheme and advantages of the utility model more clear and intelligible, the utility model is further described in detail below in combination with the drawings and implementation examples. It should be understood that the specific embodiments described herein are only used to explain the utility model, and are not used to limit the utility model.

[0015] It should be noted that all directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the utility model are only relative positions on the specified view, not absolute positions.

[0016] In addition, in the utility model, the description such as "first", "second" and the like is only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can be explicitly or implicitly included at least one feature. In the description of the utility model, the meaning of "multiple" is at least two, such as two, three, etc., unless otherwise specifically limited.

[0017] Please refer to Figure 1 and Figure 2 The small high-current connector of the utility model comprises a male plug 1 and a female plug 2, two U-shaped copper sheets 3 are fixed on the male plug 1, two bent copper sheets 4 are fixed on the female plug 2, and the positions of the two U-shaped copper sheets 3 correspond to the positions of the two bent copper sheets 4 respectively.

[0018] The U-shaped copper sheet 3 is provided with a U-shaped groove 31, the bent copper sheet 4 is provided with a plug-in strip 41, the plug-in strip 41 is embedded in the U-shaped groove 31 and is in close contact with the U-shaped groove 31.

[0019] The male plug 1 comprises a male plug shell, the female plug 2 comprises a female plug shell, a first foolproof protrusion 11 is arranged on the male plug shell, a first foolproof groove 21 matched with the first foolproof protrusion 11 is arranged on the female plug shell, and the first foolproof protrusion 11 is embedded in the first foolproof groove 21.

[0020] A second foolproof protrusion 12 is arranged on the male plug shell, a second foolproof groove 22 matched with the second foolproof protrusion 12 is arranged on the female plug shell, and the second foolproof protrusion 12 is embedded in the second foolproof groove 22.

[0021] The U-shaped copper sheet 3 is made of brass material and is gold-plated on the surface, so that the conductivity and oxidation resistance are enhanced, a larger conductive cross-sectional area is provided, and better elasticity is achieved, so that excellent conductivity can be provided when the plug is partially inserted.

[0022] The bent copper sheet 4 is made of pure copper material and is gold-plated on the surface, so that the conductivity and oxidation resistance are enhanced.

[0023] The small high-current connector has a flow cross section of no less than 0.69 square millimeters, can reach the maximum contact area of the female copper sheet after partial insertion (more than a certain millimeter), and thus effectively conducts large current and avoids the defect that other plugs must be completely inserted to reach the maximum conductive cross section.

[0024] The small high-current connector can be compatible with the existing PH2.0 plug, supports charging of a battery using the male head of the utility model through the existing PH2.0 female head charger.

[0025] The small high-current connector has the functions of foolproof and reverse connection prevention, prevents equipment damage caused by reverse connection, and improves safety and use convenience.

[0026] The small high-current connector has the following main characteristics:

[0027] 1. Compatible with the existing PH2.0 plug, and the use scene is widened.

[0028] 2. Efficient conductivity can be provided under the condition of partial insertion, and the problem that the traditional plug must be completely inserted to reach the maximum conductive cross-sectional area is avoided.

[0029] 3. The female copper sheet is made of pure copper material and is gold-plated, and the male U-shaped copper sheet is made of excellent elastic brass material and is gold-plated, so that excellent conductivity and service life are ensured.

[0030] 4. The cross-sectional area of the overcurrent is not less than 0.69 square millimeters, which is 0.25 square millimeters compared with PH2.0. The volume is consistent with PH2.0.

[0031] 5. Fool-proof and reverse connection prevention structure design effectively prevents hardware damage caused by misoperation.

[0032] Compared with the prior art, the small high-current connector of the utility model reduces the volume and is lightweight: while ensuring high current transmission capacity, the size of the PH2.0 plug is maintained, which is suitable for miniaturization design requirements; efficient conduction: through unique copper sheet design, good conduction performance can be provided under partial insertion, ensuring efficient current conduction; material optimization and heat management: gold-plated brass and gold-plated pure copper materials are used, which improves the conductivity and durability of the plug and effectively reduces the heat accumulation problem in current transmission; universality and compatibility: it can be compatible with existing PH2.0 plugs and support existing chargers to directly charge the battery using the plug of the utility model.

[0033] The above only describes the preferred embodiments of the utility model, and does not limit the patent range of the utility model, and any modification, equivalent replacement and improvement within the concept of the utility model shall be included in the patent protection range of the utility model.

Claims

1. A small high current connector characterized by, The male plug is fixed with two U-shaped copper sheets, and the female plug is fixed with two bent copper sheets. The U-shaped copper sheet is provided with a U-shaped groove, and the bent copper sheet is provided with an insertion strip.

2. The low profile high current connector of claim 1, wherein, The U-shaped copper sheet is made of brass and plated with gold on the surface.

3. The low profile high current connector of claim 1, wherein, The bent copper sheet is made of pure copper and plated with gold on the surface.

4. The low profile high current connector of claim 1, wherein, The male plug includes a male plug shell, and the female plug includes a female plug shell.

5. The low profile high current connector of claim 4, wherein, The male plug shell is provided with a second foolproof convex block, and the female plug shell is provided with a second foolproof groove matched with the second foolproof convex block.

6. The low profile high current connector of claim 1, wherein, The second foolproof convex block is embedded in the second foolproof groove. The overcurrent cross section of the small high-current connector is not less than 0.69 square millimeters.

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