3PIN waterproof connector without outgoing line for brake handle of electric bicycle

Abstract

The utility model discloses a 3PIN no-wire-outgoing waterproof connector for an electric bicycle brake handle, which comprises a male end finished product, the male end finished product comprises a male end integrated injection molding insulating part, the front end of the male end integrated injection molding insulating part is fixedly connected with a first connecting pipe, the front end of the first connecting pipe is provided with a male end symmetrical fool-proof groove, and the male end symmetrical fool-proof groove is fixedly connected with the male end integrated injection molding insulating part. A second connecting pipe is fixedly connected to the rear end of the male end integrated injection molding insulating part, a hexagonal nut is arranged on the outer side of the second connecting pipe, the outer diameter of the second connecting pipe is smaller than the inner diameter of the hexagonal nut, and a clamping spring is arranged behind the hexagonal nut. According to the 3PIN waterproof connector without outgoing line for the brake handle of the electric bicycle, the connector and the electric bicycle or accessories are designed to be integrated, so that the production efficiency is improved, and the connector can be used as a standard part for production and batch material preparation of companies.

Description

Technical Field

[0001] The utility model relates to the technical field of waterproof connectors, in particular to a 3PIN non-wired waterproof connector for a brake handle of an electric bicycle. Background Art

[0002] The booming development of the electric bicycle and E-Scooter industry has accelerated the upgrading of electric vehicles and diversified electric bicycles. In order to reduce costs, it is usually required to share connectors by changing the length of the wiring harness to achieve the purpose of sharing.

[0003] The disadvantage is that the production cycle is long. The car factory needs to wait until the connector harness is completed before proceeding to the next step, which is cumbersome. To solve the above problem, we proposed a 3PIN waterproof connector for electric bicycle brake handles. Utility Model Content

[0004] The main purpose of the utility model is to provide a 3PIN waterproof connector for an electric bicycle brake handle, which can effectively solve the problems in the background technology.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0006] A 3PIN waterproof connector for an electric bicycle brake handle, comprising a male end finished product, the male end finished product comprising an integral injection-molded insulating part of the male end, a connecting tube 1 being fixedly connected to the front end of the integral injection-molded insulating part of the male end, a male end symmetrical anti-misalignment groove being provided at the front end of the connecting tube 1, a connecting tube 2 being fixedly connected to the rear end of the integral injection-molded insulating part of the male end, a hexagonal nut being arranged on the outside of the connecting tube 2, the outer diameter of the connecting tube 2 being smaller than the inner diameter of the hexagonal nut, and a retaining spring being arranged at the rear of the hexagonal nut.

[0007] Preferably, an arrow is provided on the surface of the male end integral injection-molded insulating part, and the arrow points toward the front end.

[0008] Preferably, a flange is provided on the outer side of the connecting tube 1, a plurality of groups of terminal male conductors are provided on the inner side of the male end symmetrical anti-mistake groove, and a male conductor boss is provided on the inner wall of the male end symmetrical anti-mistake groove.

[0009] Preferably, a plurality of groups of wire positioning holes are provided on the surface of the second connecting tube, and a plurality of groups of single-core wires are arranged on the inner side of the second connecting tube.

[0010] Preferably, the front end of the single-core wire passes through the male end integral injection-molded insulating part and is connected to the terminal male conductor, and the rear end of the single-core wire extends to the outside of the second connecting tube.

[0011] Preferably, a connecting groove is provided on the surface of the connecting pipe 2, and the retaining ring is arranged on the inner side of the connecting groove.

[0012] Compared with the prior art, the utility model has the following beneficial effects: the 3PIN waterproof connector for the brake handle of an electric bicycle has an integrated male end with a diameter of 7mm, which reduces the number of processes, reduces costs, and is easy to place in a narrow space. A special retaining ring is installed on the connection groove to fix the hexagonal nut. The reliable structural design ensures that it will not loosen and ensures waterproofing. The hexagonal nut is rotated to lock the connecting pipe 2, which is convenient for installation. The arrow on the surface of the male end's integral injection-molded insulating part is aligned with the female rubber-encapsulated indicator arrow for preliminary calibration and insertion, and the symmetrical anti-stupid groove of the male end and the symmetrical anti-stupid mouth of the female end are used for precise insertion. Its flange cooperates with the waterproof rib position of the female end to achieve the IPX7 effect, and the male conductor boss plays a fixing role in the terminal male conductor. The utility model integrates the connector with the design of an electric bicycle or accessory. The 7mm diameter design makes installation simple and quick, improves production efficiency, and can be produced as a standard part, and the company prepares materials in batches. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the overall structure of a 3PIN waterproof connector for an electric bicycle brake handle without wires in the utility model;

[0014] Figure 2 This is a partial structural schematic diagram of a 3PIN waterproof connector for electric bicycle brake handles of the utility model;

[0015] Figure 3 This is a partial structural cross-sectional view of a 3PIN waterproof connector for an electric bicycle brake handle without wires in the utility model;

[0016] Figure 4 The utility model is a partial structural schematic diagram of a 3-pin waterproof connector for an electric bicycle brake handle.

[0017] In the figure: 1. finished male terminal; 101. integral injection-molded insulating part of the male terminal; 102. arrow; 103. connecting tube 1; 104. flange; 105. symmetrical anti-mistake groove of the male terminal; 106. male conductor of the terminal; 107. male conductor boss; 108. connecting tube 2; 109. wire positioning hole; 110. single-core wire; 111. hexagonal nut; 112. connecting groove; 113. retaining spring. DETAILED DESCRIPTION

[0018] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0019] like Figure 1-4As shown, a 3PIN waterproof connector for electric bicycle brake handles includes a male end finished product 1, which includes a male end integral injection molded insulating part 101, a front end of the male end integral injection molded insulating part 101 is fixedly connected with a connecting tube 103, a front end of the connecting tube 103 is provided with a male end symmetrical anti-mistake groove 105, a rear end of the male end integral injection molded insulating part 101 is fixedly connected with a connecting tube 2 108, a hexagonal nut 111 is arranged on the outside of the connecting tube 2 108, an outer diameter of the connecting tube 2 108 is smaller than the inner diameter of the hexagonal nut 111, and a retaining spring 113 is arranged at the rear of the hexagonal nut 111.

[0020] In this embodiment, an arrow 102 is provided on the surface of the male end integral injection-molded insulating member 101 , and the arrow 102 points to the front end.

[0021] Specifically, the arrow 102 on the surface of the male end integral injection-molded insulating part 101 is aligned with the female end encapsulation indication arrow for preliminary calibration and insertion, and the male end symmetrical anti-mismatch groove 105 and the female end symmetrical anti-mismatch opening are used for precise insertion.

[0022] In this embodiment, a flange 104 is provided on the outer side of the connecting tube 103, multiple groups of terminal male conductors 106 are provided on the inner side of the male end symmetrical anti-mistake groove 105, and a male conductor boss 107 is provided on the inner wall of the male end symmetrical anti-mistake groove 105.

[0023] Specifically, the flange 104 cooperates with the waterproof rib of the female end to achieve the IPX7 effect, and the male conductor boss 107 plays a fixing role in the terminal male conductor 106.

[0024] In this embodiment, a plurality of wire positioning holes 109 are provided on the surface of the second connecting tube 108 , and a plurality of single-core wires 110 are arranged on the inner side of the second connecting tube 108 . The front ends of the single-core wires 110 pass through the male end integral injection-molded insulating part 101 and are connected to the terminal male conductor 106 , and the rear ends of the single-core wires 110 extend to the outer side of the second connecting tube 108 .

[0025] Specifically, the wire positioning hole 109 facilitates one-piece injection molding to prevent the wire from leaking out, and the terminal male conductor 106 is connected to the single-core wire 110 by welding or riveting.

[0026] In this embodiment, a connection groove 112 is formed on the surface of the second connection pipe 108 , and a retaining ring 113 is disposed inside the connection groove 112 .

[0027] Specifically, the special retaining ring 113 is installed on the connecting groove 112 to fix the hexagonal nut 111 and prevent the hexagonal nut 111 from falling off.

[0028] It should be noted that the utility model is a 3PIN waterproof connector for electric bicycle brake handles. The terminal male conductor 106 is connected to the single-core wire 110 by welding or riveting. The hexagonal nut 111 is installed on the second connecting tube 108, and a special retaining ring 113 is installed on the connecting groove 112 to prevent the hexagonal nut 111 from falling off. The outer diameter of the second connecting tube 108 is smaller than the inner diameter of the hexagonal nut 111, so that the hexagonal nut 111 can be rotated and locked on the second connecting tube 108, which is convenient for installation. The arrow 102 on the surface of the male end integral injection-molded insulating part 101 is aligned with the female rubber-encapsulated indicator arrow for preliminary calibration and insertion, and the male end symmetrical anti-stupid groove 105 and the female end symmetrical anti-stupid mouth are used for precise insertion. Its flange 104 cooperates with the female end waterproof rib position to achieve IP7 effect. Through the wire positioning hole 109, it is convenient to inject one-piece molding to prevent the wire from leaking out.

[0029] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A 3-pin waterproof connector for electric bicycle brake handle, comprising a male end product (1), characterized in that: The male end finished product (1) comprises a male end integral injection-molded insulating part (101), the front end of the male end integral injection-molded insulating part (101) is fixedly connected to a connecting pipe (103), the front end of the connecting pipe (103) is provided with a male end symmetrical anti-misalignment groove (105), the rear end of the male end integral injection-molded insulating part (101) is fixedly connected to a connecting pipe (108), a hexagonal nut (111) is arranged on the outside of the connecting pipe (108), the outer diameter of the connecting pipe (108) is smaller than the inner diameter of the hexagonal nut (111), and a retaining spring (113) is arranged at the rear of the hexagonal nut (111).

2. A 3-pin waterproof connector for electric bicycle brake handle according to claim 1, characterized in that: An arrow (102) is provided on the surface of the male end integral injection-molded insulating part (101), and the arrow (102) points toward the front end.

3. The 3-pin waterproof connector for electric bicycle brake handle according to claim 1, characterized in that: The outer side of the connecting tube 1 (103) is provided with a flange (104), the inner side of the male end symmetrical anti-mistake groove (105) is provided with multiple groups of terminal male conductors (106), and the inner wall of the male end symmetrical anti-mistake groove (105) is provided with a male conductor boss (107).

4. A 3-pin waterproof connector for electric bicycle brake handle according to claim 1, characterized in that: The surface of the second connecting tube (108) is provided with a plurality of wire positioning holes (109), and the inner side of the second connecting tube (108) is provided with a plurality of single-core wires (110).

5. A 3-pin waterproof connector for electric bicycle brake handle according to claim 4, characterized in that: The front end of the single-core wire (110) passes through the male end integral injection-molded insulating part (101) and is connected to the terminal male conductor (106), and the rear end of the single-core wire (110) extends to the outside of the second connecting tube (108).

6. A 3-pin waterproof connector for electric bicycle brake handle according to claim 1, characterized in that: A connecting groove (112) is provided on the surface of the second connecting pipe (108), and the clamping spring (113) is arranged on the inner side of the connecting groove (112).

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