Small-sized oblique-insertion charging connector with waterproof guiding function
By introducing waterproof sealing and guiding structures into the charging connector, the problems of poor waterproof performance and inaccurate assembly of the charging connector are solved, achieving higher waterproof effect and assembly accuracy, and ensuring the reliability and safety of the connector.
Patent Information
- Application Number
- CN202520037085.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-08
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2035-01-08
AI Technical Summary
Existing charging connectors have low waterproof performance and poor installation accuracy of male and female terminals, which can easily lead to short circuits. Furthermore, the connectors are prone to misalignment when used in humid environments.
A small angled charging connector with a waterproof sealing mechanism and a guiding structure was designed. By setting a mating part, a sealing part and a guide post at the male and female ends, combined with a waterproof groove and a waterproof ring, the sealing and guiding functions are achieved, ensuring assembly accuracy and waterproof effect.
The waterproof performance of the charging connector has been improved to prevent moisture from entering the female end, avoid short circuits, ensure accurate assembly of the male and female ends, and improve the reliability and safety of the connection.
Smart Images

Figure CN223729099U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of connector, specifically to a small -size inclined plug charging connector with waterproof guiding function. BACKGROUND
[0002] The charging connector is a plastic product applied to the charger, which can connect the battery end and the plug end, and is a high-resistance power delivery buffer intermediate medium.
[0003] In the practical use of the charging connector, the male end of the charging connector is used as the shell of the connector, and the female end is connected to one side of the male end and connected to the internal circuit. During use, the external connecting wire is inserted into the slot on the surface of the male end and electrically connected through the insert piece in the female end and the copper wire, which can deliver the power of the external battery to the device being charged. The male end can be embedded with the wire end during charging.
[0004] When using the charging connector, sometimes there is some water on the charging wire due to rain. When used, the water will enter the male end and stay in the groove of the female end, causing short circuit of the internal circuit of the engine. The existing charging connector generally does not have a waterproof structure, and the male end and the female end of the charger may be misaligned during connection, which makes it difficult to assemble. The incorrect installation method and the presence of water droplets inside may greatly increase the possibility of short circuit. Therefore, the existing charging connector has the problems of low waterproof performance and poor installation accuracy of the male end and the female end. SUMMARY
[0005] The utility model aims to: through setting waterproof sealing mechanism and guiding mechanism, realize waterproof effect, and guide during installation of male end and female end, facilitate assembly of male end and female end, and improve assembly accuracy.
[0006] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme: a small -size inclined plug charging connector with waterproof guiding function, including male end shell body and female end shell body, a plurality of insertion components are fixedly arranged on one side of the male end shell body, the female end shell body is provided with a matching groove for the insertion of the insertion component, the matching groove is divided into a small insert piece matching part, a large insert piece matching part and a sealing part located in the center of the small insert piece matching part and the large insert piece matching part, the small insert piece matching part and the large insert piece matching part are provided with a matching spring, the insertion component includes a small insert piece inserted into the small insert piece matching part and a large insert piece inserted into the large insert piece matching part, the insertion component further includes a guide column, the guide column is located below the small insert piece, the guide column is inserted into the sealing part, the height of the guide column is higher than the highest point of the small insert piece, and the guide surface is formed on the surface of the guide column.
[0007] Preferably, a plurality of sealing columns are fixedly connected to the bottom of the guide column, the sealing columns extend into the sealing part, and the side walls of the sealing columns block the openings of the large and small plug fitting parts, respectively
[0008] Preferably, two waterproof holes are symmetrically arranged on the male end shell.
[0009] Preferably, an annular waterproof groove is fixedly arranged on the inner side of the male end shell and faces the surface of the female end shell.
[0010] Preferably, a waterproof ring is fixedly arranged on the female end shell, and the waterproof ring is matched with the annular waterproof groove in size.
[0011] Preferably, a water guide groove is arranged on the female end shell, and the end of the water guide groove is connected with the waterproof ring.
[0012] The utility model discloses beneficial effects are:
[0013] 1. By setting up cooperation spring to realize sealing effect, guarantee that the small plug and the large plug on the male end shell can be attached to the spring, and the small plug and the large plug are all metal materials of electric conduction, can promote the electric conduction effect of connection.
[0014] 2. Setting up guide structure can guide the position when the male end shell and the female end shell match and assemble, guarantee the accuracy of the small plug and the large plug insertion position.
[0015] 3. Setting up waterproof structure can improve the waterproof effect of the whole connector, prevent moisture from entering the female end shell and causing the engine short circuit of the female end. DRAWINGS
[0016] Figure 1 It is the structure schematic drawing of the utility model small -size inclined plug charging connector with waterproof guide function;
[0017] Figure 2 It is the explosion of the utility model small -size inclined plug charging connector with waterproof guide function; Figure 1 ;
[0018] Figure 3 It is the explosion of the utility model small -size inclined plug charging connector with waterproof guide function; Figure 2 ;
[0019] Figure 4 It is the structure schematic drawing of the utility model male end shell part;
[0020] Figure 5 It is the structure schematic drawing of the utility model female end shell part.
[0021] In the drawings:
[0022] 1. male housing; 11. insertion assembly; 111. small insertion piece; 112. large insertion piece; 113. guide column; 114. guide surface; 12. sealing column; 13. waterproof hole; 14. waterproof groove;
[0023] 2. female housing; 21. mating groove body; 211. small insertion piece mating portion; 212. large insertion piece mating portion; 213. sealing portion; 22. mating insertion spring; 23. waterproof ring; 24. water guide groove. DETAILED DESCRIPTION
[0024] In order to make the purpose, technical scheme and advantages of the utility model more clear, the following will make further detailed description to the utility model combining with the drawings and examples. It should be understood that the specific examples described here are only used to explain the utility model, and are not used to limit the utility model.
[0025] Referring to Figures 1-5 , the connector is divided into a male housing 1 and a female housing 2, wherein the male housing 1 is connected with an external charger, the female housing 2 is connected with an internal motor, and the male housing 1 and the female housing 2 can be assembled to form an integrated connector element.
[0026] Referring to Figures 1-5 , a plurality of insertion assemblies 11 are fixedly arranged on one side of the male housing 1, the female housing 2 is provided with mating groove bodies 21 for inserting the insertion assemblies 11, the insertion assemblies 11 are inserted into the mating groove bodies 21 to realize the assembly of the male housing 1 and the female housing 2, wherein the mating groove bodies 21 are divided into small insertion piece mating portions 211 and large insertion piece mating portions 212 and sealing portions 213 located in the center of the small insertion piece mating portions 211 and the large insertion piece mating portions 212, the sealing portions 213 can be sealed and prevent moisture from entering the large insertion piece mating portions 212 and the small insertion piece mating portions 211, the small insertion piece mating portions 211 and the large insertion piece mating portions 212 are provided with mating insertion springs 22, the mating insertion springs 22 are inserted through the outside of the female housing 2 and can conduct electricity.
[0027] Referring to Figures 1-5The insertion assembly 11 comprises a small insertion tab 111 inserted into a small tab fitting portion 211 and a large insertion tab 112 inserted into a large tab fitting portion 212, and a guide column 113 below the small insertion tab 111, which is inserted into a sealing portion 213 and can guide the mutual insertion of the male end shell 1 and the female end shell 2 to ensure the accurate assembly position of the male end shell 1 and the female end shell 2. The height of the guide column 113 is higher than the highest point of the small insertion tab 111, and a guide surface 114 is arranged on the surface of the guide column 113 to realize the effect of preferential guidance. The guide surface 114 higher than the highest point of the small insertion tab 111 can guide the position in advance during the insertion process, further preventing the position deviation of the male end and the female end during assembly. A plurality of sealing columns 12 are fixedly connected to the bottom of the guide column 113, which extend into the sealing portion 213. The side walls of the sealing columns 12 block the openings of the large tab fitting portion 212 and the small tab fitting portion 211, respectively, to improve the sealing effect and prevent external moisture from flowing into the small tab fitting portion 211 and the large tab fitting portion 212 to cause short circuit.
[0028] Reference Figures 1-5 The inner side of the male end shell 1 is fixedly provided with an annular waterproof groove 14 made of waterproof rubber material, and the surface of the annular waterproof groove 14 faces the female end shell 2. The female end shell 2 is fixedly provided with a waterproof ring 23 made of waterproof rubber material. The size of the waterproof ring 23 matches that of the annular waterproof groove 14. When the male end shell 1 and the female end shell 2 are assembled, the waterproof ring 23 can be inserted into the annular waterproof groove 14 to realize the sealing effect and prevent the moisture outside the male end shell 1 and the female end shell 2 from entering the groove inside the male end shell 1 and the female end shell 2 to cause short circuit of the circuit. The female end shell 2 is provided with a water guide groove 24 connected to the waterproof ring 23. The water guide groove 24 can discharge the blocked moisture to prevent the moisture from remaining on the female end shell 2.
[0029] The working principle of the present application is that when assembling with the connector, the male shell 1 and the female shell 2 are spliced, the small plug 111 on the male shell 1 is inserted into the small plug matching part 211 on the female shell 2 and is in contact with the matching plug spring 22, the large plug 112 on the male shell 1 is inserted into the large plug matching part 212 on the female shell 2 and is in contact with the matching plug spring 22, the annular waterproof groove 14 on the male shell 1 and the waterproof ring 23 on the female shell 2 are mutually embedded to form a sealed state, external moisture cannot enter the matching groove body 21 inside the female shell 2 to affect use, when assembling, the guide column 113 on the male shell 1 will first contact the side wall of the sealing part 213 on the female shell 2, the slight misalignment between the male shell 1 and the female shell 2 is eliminated through the guide surface 114, the accurate assembling position of the male shell 1 and the female shell 2 is ensured, the integrity of the connector connection relationship is ensured, and the waterproof effect can be achieved.
[0030] The above embodiments are used to further illustrate the present application, but the present application is not limited to these specific embodiments. Any modification, equivalent replacement and improvement made within the spirit and principle of the present application should be understood as within the protection scope of the present application.
Claims
1. A small angled charging connector with waterproof guiding function, characterized in that: The utility model provides a waterproof connector, including male end shell (1) and female end shell (2), a plurality of insertion components (11) are fixedly arranged on one side of male end shell (1), and the female end shell (2) is provided with the cooperation groove (21) of insertion component (11) insertion, cooperation groove (21) is divided into small insert piece cooperation part (211) and big insert piece cooperation part (212) and the sealing part (213) in the central of small insert piece cooperation part (211) and big insert piece cooperation part (212), cooperation spring (22) is arranged in small insert piece cooperation part (211) and big insert piece cooperation part (212) all, and insertion component (11) includes small insert piece (111) of small type of inserting small insert piece cooperation part (211) and big insert piece (112) of inserting big insert piece cooperation part (212), insertion component (11) still includes guide column (113), guide column (113) is located below small insert piece (111), guide column (113) is inserted into sealing part (213), and the height of guide column (113) is higher than the highest point of small insert piece (111), and the surface of guide column (113) is provided with guide surface (114).
2. The small-sized charging connector with waterproof guiding function according to claim 1, characterized in that: The bottom of guide column (113) is fixedly connected with a plurality of sealing columns (12), the sealing columns (12) extend into sealing part (213), and the side walls of the sealing columns (12) block the openings of the big insert piece cooperation part (212) and the small insert piece cooperation part (211) respectively.
3. The small-sized charging connector with waterproof guiding function according to claim 1, characterized in that: Two waterproof holes (13) are symmetrically arranged on the male end shell (1).
4. The small-sized charging connector with waterproof guiding function according to claim 1, characterized in that: An annular waterproof groove (14) is fixedly arranged on the inner side of the male end shell (1), and the annular waterproof groove (14) faces the surface of the female end shell (2).
5. The small-sized charging connector with waterproof guiding function according to claim 4, characterized in that: A waterproof ring (23) is fixedly arranged on the female end shell (2), and the waterproof ring (23) is matched with the annular waterproof groove (14) in size.
6. The small-sized charging connector with waterproof guiding function according to claim 5, characterized in that: A water guide groove (24) is arranged on the female end shell (2), and the end of the water guide groove (24) is connected with the waterproof ring (23).