Battery connecting plug

Abstract

The utility model discloses a battery connecting plug, which comprises a power wire harness, PIN terminals, a plug plastic main body and outer plastic, one end part of the power wire harness is crimped with a plurality of PIN terminals, the plug plastic main body is integrally formed by a bottom wall and a fool-proof side wall vertically surrounding the edge of the bottom wall, the bottom wall is provided with a hole and is plugged with the PIN terminals, and the outer plastic is connected with the pin terminals. Outer plastic formed through injection molding is arranged between the power wire harness and the bottom wall. Through the above mode, according to the battery connecting plug provided by the utility model, aiming at the problem of structural fatigue caused by frequent plugging and unplugging of an electric motorcycle, the power wire harness and the PIN terminal are packaged in the plug plastic main body through the outer plastic, and the overall tensile and torsional strength is improved by adopting the square convex blocks and the skirt flanges, so that the service life of the plug is prolonged, and the service life of the plug is prolonged. And the after-sales maintenance cost is reduced.

Description

Technical Field

[0001] The utility model relates to the field of electric motorcycle power wiring harness, in particular to a battery connection plug. Background Art

[0002] The demand for battery replacement for electric motorcycles is increasing. In order to meet the needs of battery replacement, the plugs are frequently plugged in and out. During the operation, the pulling force will also bring about torsional torque. The connecting plugs in the existing technology usually use a plastic splicing shell. Under harsh use environments, ordinary plugs will have water ingress, cracks, and leakage problems, which seriously threaten life and health. Utility Model Content

[0003] The main technical problem that the utility model solves is to provide a battery connection plug. To address the structural fatigue problem caused by frequent plugging and unplugging of electric motorcycle batteries, the power wiring harness and PIN terminals are encapsulated into the plastic body of the plug through outer plastic, and square bumps and skirt flanges are used to improve the overall tensile and torsional strength, thereby increasing the life of the plug and reducing after-sales maintenance costs.

[0004] In order to solve the above technical problems, a technical solution adopted by the utility model is: to provide a battery connection plug, including a power harness, a PIN terminal, a plug plastic body, and an outer plastic. One end of the power harness is crimped with a plurality of PIN terminals. The plug plastic body is integrally formed by a bottom wall and an anti-fool side wall vertically surrounding the edge of the bottom wall. The bottom wall has a hole and a PIN terminal is inserted therein. An injection-molded outer plastic is arranged between the power harness and the bottom wall.

[0005] In a preferred embodiment of the present invention, the cross-section of the fool-proof side wall is D-shaped.

[0006] In a preferred embodiment of the present invention, the fool-proof side wall is provided with a slot at a position close to the outer plastic, and a sealing ring is provided in the slot.

[0007] In a preferred embodiment of the present invention, a sealing ring is sleeved at the joint between the outer plastic and the fool-proof side wall.

[0008] In a preferred embodiment of the present invention, the sealing ring is provided with two layers of ridge-like protrusions, and water seepage retention grooves are formed between the ridge-like protrusions.

[0009] The beneficial effects of the utility model are as follows: a battery connection plug provided by the utility model aims to solve the structural fatigue problem caused by frequent plugging and unplugging of electric motorcycle batteries. The power wiring harness and the PIN terminal are encapsulated into the plastic body of the plug through outer plastic, and square protrusions and skirt flanges are used to improve the overall tensile and torsional strength, thereby increasing the life of the plug and reducing after-sales maintenance costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative work, among which:

[0011] Figure 1 This is an overall structural diagram of a battery connection plug of the utility model;

[0012] Figure 2 It is a front view of a battery connection plug of the utility model;

[0013] Figure 3 The utility model is a parts assembly diagram of a battery connecting plug before injection molding. DETAILED DESCRIPTION

[0014] The technical solutions in the embodiments of the present invention are described clearly and completely below. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0015] like Figure 1-3 As shown, the embodiment of the utility model includes:

[0016] A battery connection plug comprises a power harness 1, PIN terminals 2, a plug plastic body 3, and an outer plastic 4. A plurality of PIN terminals 2 are crimped onto one end of the power harness 1. The plug plastic body 3 is formed by a bottom wall 5 and an anti-fool side wall 6 vertically surrounding the edge of the bottom wall 5. The bottom wall 5 has a hole and is plugged with the PIN terminal 2. An injection-molded outer plastic 4 is arranged between the power harness 1 and the bottom wall 5.

[0017] The cross section of the fool-proof side wall 6 is D-shaped.

[0018] Furthermore, the fool-proof side wall 6 is provided with a slot 7 at a position close to the outer plastic 4 , and a sealing ring 8 is arranged in the slot 7 .

[0019] Furthermore, a sealing ring 8 is sleeved at the joint between the outer plastic 4 and the fool-proof side wall 6 .

[0020] Furthermore, the sealing ring 8 is provided with two layers of ridge-like protrusions 9 , and water seepage retention grooves 10 are formed between the ridge-like protrusions 9 .

[0021] In order to further solve the problem that the plug plastic body 3 may fall off from the outer plastic 4 due to material fatigue caused by forcible plugging and unplugging, as shown in FIG. Figure 3 As shown, the foolproof side wall 6 located on one side of the bottom wall 5 is also provided with an integrally formed embedded portion 11, and the embedded portion 11 extends in the opposite direction along the foolproof side wall 6 to the other side of the bottom wall 5. The height of the embedded portion 11 is not less than the height of the foolproof side wall 6. Thus, the overall tensile strength of the plug-in head can be enhanced and the service life can be extended.

[0022] However, in actual use, in order to achieve the plugging and unplugging of the D-shaped plug, the user will remove the plug resistance by twisting the plug. The D-shaped plug includes a long straight side 12 and a short straight side 13. During the twisting process, the long straight side 12 of the plastic body 3 of the plug will be deformed. In order to further improve the resistance of the plug to torsion, a square protrusion 14 is also added to the outer wall of the embedded part 11. The square protrusion 14 is arranged on one side of the long straight side 12 of the D-shaped foolproof side wall 6. The long straight side 12 is prone to deformation. The size of the square protrusion 14 corresponds to the position and size of the short straight side 13 of the D-shaped foolproof side wall 6, thereby preventing the long straight side 12 from being deformed and improving the service life.

[0023] In addition, in actual testing, when the pull-out force is overloaded, the plug plastic body 3 instantly falls off from the outer plastic 4, causing the outer plastic 4 to bounce off. In order to prevent the outer plastic 4 from falling off completely instantly when the pull-out force is overloaded, a multi-layer skirt flange 15 is added to the outer wall of the embedded part 11, and the skirt flange 15 is annular along the outer wall of the embedded part 11. Therefore, when the pull-out force is overloaded, the skirt flange 15 will establish secondary coupling and tertiary coupling with the outer plastic 4, thereby realizing the plug-in and unplug safety feature.

[0024] To summarize, the utility model provides a battery connection plug. To address the structural fatigue problem caused by frequent plugging and unplugging of electric motorcycle batteries, the power harness 1 and the PIN terminal 2 are encapsulated into the plastic body 3 of the plug through the outer plastic 4, and the square protrusion 14 and the skirt flange 15 are used to improve the overall tensile and torsional strength, thereby increasing the life of the plug and reducing after-sales maintenance costs.

[0025] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made using the contents of the present invention specification, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A battery connection plug, characterized in that: It includes a power harness, a PIN terminal, a plug plastic body, and an outer plastic. A plurality of PIN terminals are crimped on one end of the power harness. The plug plastic body is integrally formed by a bottom wall and a fool-proof side wall vertically surrounding the edge of the bottom wall. The bottom wall has a hole and a PIN terminal is inserted therein. An injection-molded outer plastic is arranged between the power harness and the bottom wall.

2. The battery connection plug according to claim 1, characterized in that: The cross section of the fool-proof side wall is D-shaped.

3. The battery connection plug according to claim 1, characterized in that: The fool-proof side wall is provided with a card slot at a position close to the outer plastic, and a sealing ring is arranged in the card slot.

4. The battery connection plug according to claim 1, characterized in that: A sealing ring is sleeved at the joint between the outer plastic and the fool-proof side wall.

5. The battery connection plug according to claim 3 or 4, characterized in that: The sealing ring is provided with two layers of ridge-shaped convex parts, and water seepage interception grooves are formed between the ridge-shaped convex parts.

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