Self-locking finger-contact-preventing connector applied to charging of electric bicycle

By designing the locking structure and sealing gaskets of the finished products of the female and male ends, the waterproof, foreign matter and anti-loosening problems of the charging connector of the electric bicycle are solved, and charging safety and stability are improved.

CN223167786UActive Publication Date: 2025-07-29JIANGSU YUECHI INTELLIGENT ELECTRIC VEHICLE CO LTD +1
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Patent Information

Application Number
CN202422306196.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-23
Publication Date
2025-07-29
Estimated Expiration
2034-09-23

AI Technical Summary

Technical Problem

The existing electric bicycle charging connectors have defects such as not waterproof, finger-proof, foreign objects, and easy to loosen, which may cause short circuits, damage to the charging connector or electric bicycle, and even cause fires during charging.

Method used

A charging self-locking anti-contact finger connector including the female end and the male end is designed. Through the locking structure, sealing gasket and dustproof components of the female end injection molded insulator and the male end injection molded insulator, waterproof, foreign matter and loosening are achieved, ensuring the stability of the electrical connection.

Benefits of technology

Effectively prevent vibration and loosening, ensure waterproofness and foreign objects when charging, avoid damage to the charging connector, and improve safety.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a self-locking anti-finger-touch connector applied to electric bicycle charging, which comprises a female end finished product and a male end finished product, the female end finished product comprises a female end positioning piece assembling semi-finished product, and the front end of the female end positioning piece assembling semi-finished product is fixedly connected with a rack. The upper end of the female end positioning piece assembling semi-finished product is rotatably connected with a dustproof assembly, and the self-locking finger-contact-preventing connector applied to charging of the electric bicycle realizes locking of the female end finished product to the male end finished product through cooperation of the upper protrusion on the male end injection molding insulating piece and the groove formed in the female end injection molding insulating piece. According to the technical scheme, vibration and loosening can be effectively prevented, pressing force exists between the female end finished product and the rack through the female end plate end sealing gasket, so that the waterproof effect can be achieved, the sealing gasket is located between the female end finished product and the male end finished product and is in a pressing state, and therefore the waterproof effect is achieved when the electric bicycle is charged.
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Description

Technical Field

[0001] The utility model relates to the field of charging self-locking finger-proof connectors, and particularly relates to a charging self-locking finger-proof connector applied to electric bicycles. Background Art

[0002] With the increasing number of fuel vehicles and new energy vehicles, the traffic pressure on the roads of each city is constantly increasing. As a substitute, the demand for electric bicycles is increasing, which promotes the rapid development of the electric bicycle industry. Subsequently, the requirements for electric bicycles are getting higher and higher, such as long travel distance and short charging time, and safety is the most basic requirement.

[0003] At present, the charging connectors on the market have defects such as not being waterproof, not finger-proof, not foreign object-proof, easy to loosen, and unable to self-lock. Therefore, when charging an electric bicycle, the charging connector will be short-circuited, which will cause damage to the charging connector or the electric bicycle at worst, and will cause a fire at worst, resulting in casualties or property losses of personnel. To solve the above problems, we propose a charging self-locking finger-proof connector applied to electric bicycles. Summary of the Utility Model

[0004] The main purpose of the utility model is to provide a charging self-locking finger-proof connector applied to electric bicycles, which can effectively solve the problems in the background art.

[0005] To achieve the above purpose, the technical solution adopted by the utility model is as follows:

[0006] A charging self-locking finger-proof connector applied to electric bicycles includes a female end finished product and a male end finished product. The female end finished product includes a semi-finished product of a female end positioning part. A dust-proof component is rotatably connected to the upper end of the semi-finished product of the female end positioning part. The male end finished product includes a semi-finished product of a male end positioning part. The semi-finished product of the female end positioning part is adapted to the semi-finished product of the male end positioning part. A wire body is welded to the rear end of the semi-finished product of the male end positioning part.

[0007] Preferably, the semi-finished product of the female end positioning part includes a female end conductor of a power terminal. The rear ends of the female end conductors of the power terminals are commonly fixedly connected with an insulating injection-molded part at the female end. A female end conductor of a signal terminal is arranged above the female end conductor of the power terminal. The female end conductors of the signal terminals are fixedly connected with the insulating injection-molded part at the female end.

[0008] Preferably, the dust-proof component includes a female end dust cover. A dust cover hole is opened at the front end of the female end dust cover. A fixed pin shaft is arranged inside the dust cover hole. The female end dust cover is rotatably connected with the insulating injection-molded part at the female end through the fixed pin shaft.

[0009] Preferably, a round hole is provided at the upper end of the female terminal injection-molded insulating part. The fixed pin shaft is movably connected to the female terminal injection-molded insulating part through the round hole. A torsion spring is sleeved outside the fixed pin shaft, and the torsion spring is arranged inside the dust-proof cover hole.

[0010] Preferably, a female terminal board end gasket is sleeved outside the female terminal injection-molded insulating part. Corresponding mounting holes are provided on the outer sides of both the female terminal injection-molded insulating part and the female terminal board end gasket. The female terminal injection-molded insulating part is fixedly installed on the frame through the mounting holes, and the female terminal board end gasket is arranged between the female terminal injection-molded insulating part and the frame.

[0011] Preferably, a gasket is provided at the rear end of the female terminal injection-molded insulating part, and the gasket is adapted to the front end of the male terminal finished product.

[0012] Preferably, the semi-finished product of the male terminal positioning part includes a power terminal male conductor. A male terminal injection-molded insulating part is fixedly connected to the rear end of the power terminal male conductor. A signal terminal male conductor is provided at the front end of the male terminal injection-molded insulating part, and the signal terminal male conductor is arranged above the power terminal male conductor.

[0013] Preferably, a male terminal rubber coating is fixedly connected to the rear end of the male terminal injection-molded insulating part, and the male terminal injection-molded insulating part is fixedly connected to the wire body through the male terminal rubber coating.

[0014] Preferably, an upper protrusion is fixedly connected to the upper end of the male terminal injection-molded insulating part. A groove corresponding to the upper protrusion is provided inside the female terminal injection-molded insulating part, and the upper protrusion is adapted to the groove.

[0015] Preferably, a fixed pin shaft hole is provided on one side of the fixed pin shaft.

[0016] Compared with the prior art, the utility model has the following beneficial effects: For the electric bicycle charging self-locking anti-touch finger connector, through the cooperation of the upper protrusion on the male terminal injection-molded insulating part and the groove provided on the female terminal injection-molded insulating part, the locking of the female terminal finished product to the male terminal finished product is realized, which can effectively prevent vibration and loosening. The female terminal board end gasket is arranged between the female terminal finished product and the frame and has a pressing force, so as to play a waterproof role. The gasket is arranged between the female terminal finished product and the male terminal finished product and is in a pressed state, so as to play a waterproof role when charging the electric bicycle. Through the elastic cooperation of the torsion spring and the fixed pin shaft, it is convenient to prompt the female terminal dust-proof cover to automatically cover the rear end of the female terminal finished product, so as to prevent foreign matters such as dust from entering the inside of the female terminal finished product and avoid affecting the charging of the electric bicycle. The creepage distance from all conductors to the surface of the insulator where the finger can touch is greater than 3 mm, so as to play an anti-touch finger role. Description of the Drawings

[0017] Figure 1Schematic diagram of the overall structure of a self-locking anti-touch finger connector for electric bicycle charging according to the present utility model;

[0018] Figure 2 Schematic diagram of the male end structure of a self-locking anti-touch finger connector for electric bicycle charging according to the present utility model;

[0019] Figure 3 Exploded view of the male end structure of a self-locking anti-touch finger connector for electric bicycle charging according to the present utility model;

[0020] Figure 4 Schematic diagram of the female end structure of a self-locking anti-touch finger connector for electric bicycle charging according to the present utility model Figure 1 ;

[0021] Figure 5 Schematic diagram of the female end structure of a self-locking anti-touch finger connector for electric bicycle charging according to the present utility model Figure 2 ;

[0022] Figure 6 Exploded view of the female end structure of a self-locking anti-touch finger connector for electric bicycle charging according to the present utility model;

[0023] Figure 7 Cross-sectional view of the overall structure of a self-locking anti-touch finger connector for electric bicycle charging according to the present utility model;

[0024] Figure 8 Schematic diagram of the semi-finished product structure of the male end positioning part assembly of a self-locking anti-touch finger connector for electric bicycle charging according to the present utility model;

[0025] Figure 9 Schematic diagram of the semi-finished product structure of the female end positioning part assembly of a self-locking anti-touch finger connector for electric bicycle charging according to the present utility model;

[0026] Figure 10 Schematic diagram of the dust cover structure of the female end of a self-locking anti-touch finger connector for electric bicycle charging according to the present utility model;

[0027] Figure 11 Schematic diagram of the fixed pin shaft structure of a self-locking anti-touch finger connector for electric bicycle charging according to the present utility model.

[0028] In the figure: 100, female end finished product; 101, power terminal female end conductor; 102, signal terminal female end conductor; 103, female end board end gasket; 104, female end injection molded insulating part; 105, torsion spring; 106, fixed pin shaft; 1061, fixed pin shaft hole; 107, female end dust cover; 1071, dust cover hole; 108, gasket; 1010, semi-finished product of female end positioning part assembly; 1011, upper protrusion; 200, male end finished product; 201, power terminal male conductor; 202, signal terminal male end conductor; 203, male end injection molded insulating part; 204, male end rubber coating; 2010, semi-finished product of male end positioning part assembly; 2011, groove. Detailed implementation mode

[0029] In order to make the technical means, creative features, achieved purposes and functions realized by the present utility model easy to understand, the present utility model will be further described below in conjunction with the specific implementation modes.

[0030] As Figures 1-11 shown, an electric bicycle charging self-locking anti-touch finger connector includes a female end finished product 100 and a male end finished product 200. The female end finished product 100 includes a semi-finished product 1010 of the female end positioning part assembly. A dust-proof component is rotatably connected to the upper end of the semi-finished product 1010 of the female end positioning part assembly. The male end finished product 200 includes a semi-finished product 2010 of the male end positioning part assembly. The semi-finished product 1010 of the female end positioning part assembly is adapted to the semi-finished product 2010 of the male end positioning part assembly. A wire body is welded to the rear end of the semi-finished product 2010 of the male end positioning part assembly.

[0031] In this embodiment, the semi-finished product 1010 of the female end positioning part assembly includes a power terminal female end conductor 101. The rear ends of the power terminal female end conductors 101 are all fixedly connected to a female end injection molded insulating part 104 together. A signal terminal female end conductor 102 is arranged above the power terminal female end conductor 101. The signal terminal female end conductors 102 are all fixedly connected to the female end injection molded insulating part 104.

[0032] Specifically, through the female end injection molded insulating part 104, the power terminal female end conductor 101 and the signal terminal female end conductor 102 can be conveniently fixed.

[0033] In this embodiment, the dust-proof component includes a female end dust cover 107. A dust cover hole 1071 is opened at the front end of the female end dust cover 107. A fixed pin shaft 106 is arranged inside the dust cover hole 1071. The female end dust cover 107 is rotatably connected to the female end injection molded insulating part 104 through the fixed pin shaft 106. A round hole is opened at the upper end of the female end injection molded insulating part 104. The fixed pin shaft 106 is movably connected to the female end injection molded insulating part 104 through the round hole. A torsion spring 105 is sleeved outside the fixed pin shaft 106. The torsion spring 105 is arranged inside the dust cover hole 1071.

[0034] Specifically, through the elastic cooperation of the torsion spring 105 and the fixed pin shaft 106, the female end dust cover 107 can be conveniently urged to automatically cover the rear end of the female end finished product 100, thereby preventing foreign matters such as dust from entering the inside of the female end finished product 100 and avoiding affecting the charging of the electric bicycle.

[0035] In this embodiment, a female end board end gasket 103 is sleeved outside the female end injection molded insulating part 104. Corresponding mounting holes are provided on the outer sides of the female end injection molded insulating part 104 and the female end board end gasket 103. The female end injection molded insulating part 104 is fixedly installed on the frame through the mounting holes, and the female end board end gasket 103 is arranged between the female end injection molded insulating part 104 and the frame.

[0036] Specifically, the female end board end gasket 103 exists between the female end finished product 100 and the frame and has a pressing force, thereby playing a waterproof role.

[0037] In this embodiment, a gasket 108 is provided at the rear end of the female end injection molded insulating part 104, and the gasket 108 is adapted to the front end of the male end finished product 200.

[0038] Specifically, the gasket 108 is between the female end finished product 100 and the male end finished product 200 and is in a pressed state, thereby playing a waterproof role when charging the electric bicycle.

[0039] In this embodiment, the male end positioning part assembly semi-finished product 2010 includes a power terminal male conductive body 201. A male end injection molded insulating part 203 is fixedly connected to the rear end of the power terminal male conductive body 201. A signal terminal male conductive body 202 is provided at the front end of the male end injection molded insulating part 203, and the signal terminal male conductive body 202 is arranged above the power terminal male conductive body 201.

[0040] Specifically, through the male end injection molded insulating part 203, the power terminal male conductive body 201 and the signal terminal male conductive body 202 can be conveniently fixed.

[0041] In this embodiment, a male end encapsulation 204 is fixedly connected to the rear end of the male end injection molded insulating part 203. The male end injection molded insulating part 203 is fixedly connected to the wire body through the male end encapsulation 204. An upper protrusion 1011 is fixedly connected to the upper end of the male end injection molded insulating part 203. A groove 2011 corresponding to the upper protrusion 1011 is provided inside the female end injection molded insulating part 104, and the upper protrusion 1011 is adapted to the groove 2011.

[0042] Specifically, through the cooperation of the upper protrusion 1011 on the male end injection molded insulating part 203 and the groove 2011 provided on the female end injection molded insulating part 104, the locking of the male end finished product 200 by the female end finished product 100 can be realized, and vibration and loosening can be effectively prevented.

[0043] In this embodiment, a fixing pin hole 1061 is provided on one side of the fixing pin 106.

[0044] Specifically, the fixing pin hole 1061 on the fixing pin 106 is riveted with special equipment, which can effectively prevent it from falling off.

[0045] The male end finished product 100 and the female end finished product 200 comply with the requirements in IEC60335-1. Using the type B test probe in IEC61032, commonly known as the "test finger", with a force of 1N, it is not allowed to touch the live parts; the No. 13 test probe in IEC 61032, commonly known as the "test pin", the diameter of the thinnest part of the No. 13 probe is 3mm. When applied to class 0 appliances, class II appliances and class II structures on class I appliances, it is not allowed to touch the live parts; the creepage distance from all conductors to the finger-touchable surface of the insulator is greater than 3mm; it plays a role in preventing finger contact.

[0046] It should be noted that the present utility model is an electric bicycle charging self-locking anti-finger-touch connector. First, the user fixes the female end finished product 100 on the frame. At this time, the female end board end gasket 103 will have a pressing force between the female end finished product 100 and the frame, so as to play a waterproof role. Then, through the cooperation of the torsion spring 105 and the fixing pin 106, the female end dust cover 107 can be conveniently turned up. At this time, the male end finished product 200 can be conveniently inserted into the female end finished product 100. At this time, through the cooperation of the upper protrusion 1011 on the male end injection-molded insulating part 203 and the groove 2011 provided on the female end injection-molded insulating part 104, the locking of the male end finished product 200 by the female end finished product 100 is realized, which can effectively prevent vibration and loosening. Therefore, the female end finished product 100 and the male end finished product 200 will be inserted and completed. At this time, the gasket 108 will be in a pressed state between the female end finished product 100 and the male end finished product 200, so as to play a waterproof role when charging the electric bicycle. At this time, the female end dust cover 107 will be stuck above the male end finished product 200 and in an open state. When the charging is completed, just press the upper protrusion 1011 on the male end injection-molded insulating part 203 to release the locking of the groove 2011 on the upper protrusion 1011, and then the male end finished product 200 can be conveniently pulled out from the inside of the female end finished product 100. At this time, through the elastic cooperation of the torsion spring 105 and the fixing pin 106, the female end dust cover 107 can be conveniently prompted to automatically cover the rear end of the female end finished product 100, so as to prevent dust and other foreign matters from entering the inside of the female end finished product 100 and affecting the charging of the electric bicycle, which is relatively practical.

[0047] The foregoing has shown and described the basic principles, main features and advantages of the present utility model. Those skilled in the art should understand that the present utility model is not limited by the above embodiments, and what is described in the above embodiments and the specification is only to illustrate the principle of the present utility model. Without departing from the spirit and scope of the present utility model, the present utility model will have various changes and improvements, and all these changes and improvements fall within the scope of the present utility model claimed. The scope of protection claimed by the present utility model is defined by the appended claims and their equivalents.

Claims

1. An electric bicycle charging self-locking anti-touch finger connector, comprising a female end finished product (100) and a male end finished product (200), characterized in that: The female end finished product (100) includes a semi-finished product of the female end positioning part (1010). A dust-proof component is rotatably connected to the upper end of the semi-finished product of the female end positioning part (1010). The male end finished product (200) includes a semi-finished product of the male end positioning part (2010). The semi-finished product of the female end positioning part (1010) is adapted to the semi-finished product of the male end positioning part (2010). A wire body is welded to the rear end of the semi-finished product of the male end positioning part (2010).

2. The self-locking anti-touch finger connector applied to the charging of an electric bicycle according to claim 1, wherein: The semi-finished product of the female end positioning part (1010) includes a female end conductor of the power terminal (101). A female end injection-molded insulating part (104) is fixedly connected to the rear ends of the female end conductors of the power terminal (101) together. A female end conductor of the signal terminal (102) is arranged above the female end conductor of the power terminal (101). The female end conductors of the signal terminal (102) are fixedly connected to the female end injection-molded insulating part (104).

3. The self-locking anti-touch finger connector applied to the electric bicycle charging according to claim 2, wherein: The dust-proof component includes a female end dust cover (107). A dust cover hole (1071) is formed at the front end of the female end dust cover (107). A fixed pin shaft (106) is arranged inside the dust cover hole (1071). The female end dust cover (107) is rotatably connected to the female end injection-molded insulating part (104) through the fixed pin shaft (106).

4. The self-locking anti-touch finger connector applied to the electric bicycle charging according to claim 3, wherein: A round hole is formed at the upper end of the female end injection-molded insulating part (104). The fixed pin shaft (106) is movably connected to the female end injection-molded insulating part (104) through the round hole. A torsion spring (105) is sleeved outside the fixed pin shaft (106). The torsion spring (105) is arranged inside the dust cover hole (1071).

5. The self-locking finger-proof connector for electric bicycle charging according to claim 2, wherein: A female end board end gasket (103) is sleeved outside the female end injection-molded insulating part (104). Corresponding mounting holes are formed in the outer sides of the female end injection-molded insulating part (104) and the female end board end gasket (103). The female end injection-molded insulating part (104) is fixedly mounted on the rack through the mounting holes. The female end board end gasket (103) is arranged between the female end injection-molded insulating part (104) and the rack.

6. The self-locking anti-touch finger connector for electric bicycle charging according to claim 2, wherein: A gasket (108) is arranged at the rear end of the female end injection-molded insulating part (104). The gasket (108) is adapted to the front end of the male end finished product (200).

7. A self-locking anti-touch finger connector for electric bicycle charging according to claim 2, characterized in that: The semi-finished product of the male end positioning part (2010) includes a male conductor of the power terminal (201). A male end injection-molded insulating part (203) is fixedly connected to the rear end of the male conductor of the power terminal (201). A male end conductor of the signal terminal (202) is arranged at the front end of the male end injection-molded insulating part (203). The male end conductor of the signal terminal (202) is arranged above the male conductor of the power terminal (201).

8. A self-locking anti-touch finger connector applied to the charging of an electric bicycle according to claim 7, characterized in that: A male end encapsulation (204) is fixedly connected to the rear end of the male end injection-molded insulating part (203). The male end injection-molded insulating part (203) is fixedly connected to the wire body through the male end encapsulation (204).

9. The self-locking anti-touch finger connector applied to the electric bicycle charging according to claim 7, wherein: The upper end of the public terminal injection-molded insulating part (203) is fixedly connected to the upper protrusion (1011). A groove (2011) corresponding to the upper protrusion (1011) is formed inside the female terminal injection-molded insulating part (104), and the upper protrusion (1011) is adapted to the groove (2011).

10. A self-locking anti-touch finger connector for electric bicycle charging according to claim 3, characterized in that: A fixing pin hole (1061) is formed on one side of the fixing pin shaft (106).