Electrical connector and electronic device

CN224908614UActive Publication Date: 2026-10-27SHENZHEN KRCONN IND TECH
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Patent Information

Application Number
CN202522491933.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-11-25
Publication Date
2026-10-27
Estimated Expiration
2035-11-25

AI Technical Summary

Benefits of technology

[0006]根据本实用新型提出的电连接器,由于接地片采用三段式拉伸结构,在第二拉伸壳的外侧设有密封圈,密封圈与外壳过盈配合,能够有效实现防水,且组装后,能够提升整体强度,由于第三拉伸壳的存在,能够避免密封圈的胶水溢到导电端子的接触位置,此外,在主体塑胶件一端的外侧设有环氧胶层,环氧胶层与接地片密封连接,能够进一步提升防水效果。

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Abstract

The utility model discloses an electric connector and electronic equipment, this electric connector includes conductive terminal, main body plastic part, middle steel sheet, ground sheet and shell, the ground sheet adopts three -section type stretch structure, the ground sheet includes first stretch shell, second stretch shell and third stretch shell, the second stretch shell sets up on first stretch shell, the third stretch shell sets up on the second stretch shell, the third stretch shell, second stretch shell, first stretch shell form the step structure of gradually increasing size from top to bottom, the outside of second stretch shell is equipped with sealing washer, sealing washer with the shell interference fit, the outside of main body plastic part one end is equipped with epoxy adhesive layer, epoxy adhesive layer with ground sheet sealed connection. The utility model can promote the waterproof performance of electric connector.
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Description

Technical Field

[0001] This utility model relates to the field of connector technology, and in particular to an electrical connector and electronic equipment. Background Technology

[0002] Electrical connectors are widely used in the field of electronic products due to their stable electrical performance, and TYPE-C connectors have become one of the most widely used connectors due to their many advantages such as high transmission speed, support for hot plugging, and no distinction between the front and back sides.

[0003] As the public's requirements for Type-C connectors become increasingly demanding, improving the waterproof performance of electrical connectors is a technical problem that needs to be solved by those skilled in the art. Utility Model Content

[0004] One objective of this invention is to provide an electrical connector that improves the waterproof performance of the electrical connector.

[0005] An electrical connector includes conductive terminals, a main plastic body, a central steel plate, a grounding plate, and a housing. The conductive terminals and the central steel plate are disposed within the main plastic body, the grounding plate is sleeved on the outside of the main plastic body, and the main plastic body and the grounding plate are located within the housing. The grounding plate adopts a three-section stretching structure, which includes a first stretching shell, a second stretching shell, and a third stretching shell. The second stretching shell is disposed on the first stretching shell, and the third stretching shell is disposed on the second stretching shell. The third stretching shell, the second stretching shell, and the first stretching shell form a stepped structure with gradually increasing size from top to bottom. A sealing ring is provided on the outer side of the second stretching shell, and the sealing ring is interference-fitted with the outer shell. An epoxy layer is provided on the outer side of one end of the main plastic part, and the epoxy layer is sealed to the grounding plate.

[0006] According to the electrical connector proposed in this utility model, since the grounding piece adopts a three-section stretching structure, a sealing ring is provided on the outer side of the second stretching shell. The sealing ring is interference-fitted with the shell, which can effectively achieve waterproofing. After assembly, it can improve the overall strength. Due to the presence of the third stretching shell, the glue of the sealing ring can be prevented from overflowing to the contact position of the conductive terminal. In addition, an epoxy adhesive layer is provided on the outer side of one end of the main plastic part. The epoxy adhesive layer is sealed and connected to the grounding piece, which can further improve the waterproofing effect.

[0007] In addition, the electrical connector provided by this utility model may also have the following additional technical features: Furthermore, the main plastic part has a notch on its side, through which part of the middle steel sheet passes and contacts the grounding plate.

[0008] Furthermore, the bottom of the main plastic part is provided with a dispensing groove, which is used to accommodate the epoxy adhesive layer.

[0009] Furthermore, the main plastic part is provided with multiple water storage tanks.

[0010] Furthermore, the sealing ring is a liquid injection molded part.

[0011] Furthermore, the outer casing is provided with a stepped receiving cavity that mates with the grounding plate.

[0012] Another objective of this invention is to provide an electronic device employing the aforementioned electrical connector.

[0013] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the structure of the electrical connector according to the first embodiment of this utility model; Figure 2 This is a structural schematic diagram of the electrical connector (excluding the housing) according to the first embodiment of this utility model; Figure 3 This is a schematic diagram of the grounding plate structure; Figure 4 This is a structural diagram of the main plastic parts and the epoxy adhesive layer; Figure 5 This is a structural diagram of the main plastic component; Figure 6 This is a schematic diagram of the structure of an electronic device according to the second embodiment of the present invention; Figure 7 This is a schematic diagram of the structure of an electronic device according to the third embodiment of this utility model. Detailed Implementation

[0015] To make the objectives, features, and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model are described in detail below with reference to the accompanying drawings. Several embodiments of this utility model are shown in the drawings. However, this utility model can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided to make the disclosure of this utility model more thorough and complete.

[0016] It should be noted that when an element is referred to as being "fixed to" another element, it can be directly on the other element or there may be an intervening element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or there may be an intervening element. The terms "vertical," "horizontal," "left," "right," "upper," "lower," and similar expressions used herein are for illustrative purposes only and are not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the present invention.

[0017] In this utility model, unless otherwise expressly specified and limited, the terms "installation," "connection," "linking," "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances. The term "and / or" as used herein includes any and all combinations of one or more of the related listed items.

[0018] Please see Figures 1 to 5 The electrical connector 100 proposed in the first embodiment of this utility model includes a conductive terminal 10, a main plastic part 20, a middle steel plate 30, a grounding plate 40, and a housing 50. The conductive terminal 10 and the middle steel plate 30 are disposed in the main plastic part 20, the grounding plate 40 is sleeved on the outside of the main plastic part 20, and the main plastic part 20 and the grounding plate 40 are located in the housing 50.

[0019] The grounding plate 40 adopts a three-section stretching structure. The grounding plate 40 includes a first stretching shell 41, a second stretching shell 42 and a third stretching shell 43. The second stretching shell 42 is disposed on the first stretching shell 41, and the third stretching shell 43 is disposed on the second stretching shell 42. The third stretching shell 43, the second stretching shell 42 and the first stretching shell 41 form a stepped structure with gradually increasing size from top to bottom.

[0020] The outer casing 50 has a stepped receiving cavity that mates with the grounding plate 40.

[0021] The outer side of the second stretch shell 42 is provided with a sealing ring 60. The sealing ring 60 is interference-fitted with the outer shell 50. The sealing ring 60 is a liquid injection molded part, that is, the sealing ring 60 is formed on the outer side of the second stretch shell 42 by liquid injection molding (LIM) process to achieve waterproofing, high efficiency, and good overall strength after assembly.

[0022] An epoxy layer 70 is provided on the outer side of one end of the main plastic part 20. The epoxy layer 70 is sealed to the grounding piece 40 to provide a waterproof effect.

[0023] In this embodiment, the main plastic component 20 has a notch 21 on its side, through which part of the central steel sheet 30 passes and contacts the grounding piece 40, achieving a short-circuit design to meet IEC certification requirements. Specifically, there are two central steel sheets 30, and the two sides of the main plastic component 20 each have a notch 21.

[0024] In this embodiment, the bottom of the main plastic part 20 is provided with a dispensing groove 22. The dispensing groove 22 is used to accommodate the epoxy adhesive layer 70, which facilitates the curing of epoxy adhesive in subsequent processes and can seal with the grounding plate 40, further improving the waterproof effect.

[0025] The main plastic part 20 is provided with multiple water storage tanks 23 to prevent liquid from overflowing into the electrical connector.

[0026] In this embodiment, the conductive terminal 10 has a 16-pin structure. It is understood that in other embodiments, the conductive terminal 10 may also have other structures, such as 6-pin, 8-pin, etc.

[0027] According to the above-mentioned electrical connector, since the grounding piece 40 adopts a three-section stretching structure, a sealing ring 60 is provided on the outer side of the second stretching shell 42. The sealing ring 60 is interference-fitted with the shell 50, which can effectively achieve waterproofing and improve the overall strength after assembly. Due to the presence of the third stretching shell 43, the glue of the sealing ring 60 can be prevented from overflowing to the contact position of the conductive terminal 10. In addition, an epoxy adhesive layer 70 is provided on the outer side of one end of the main plastic part 20. The epoxy adhesive layer 70 is sealed to the grounding piece 40, which can further improve the waterproofing effect and achieve a waterproof rating of IP67.

[0028] Please see Figure 6 The second embodiment of this utility model provides an electronic device, which includes the electrical connector 100 of the first embodiment and a first extension 210 connected to the electrical connector 100.

[0029] Please see Figure 7The third embodiment of this utility model provides an electronic device, which includes the electrical connector 100 of the first embodiment and a second extension 220. The second extension 220 is connected to the conductive terminal 10 and is fixed to the electrical connector 100 by a locking plate 230.

[0030] It should be noted that the electronic device is, for example, a power bank, wireless headphones, an electric shaver, an electric toothbrush, etc.

[0031] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0032] The embodiments described above are merely illustrative of several implementations of this utility model, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of this utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these all fall within the protection scope of this utility model. Therefore, the protection scope of this utility model patent should be determined by the appended claims.

Claims

1. An electrical connector, characterized in that, It includes conductive terminals, a main plastic part, a central steel sheet, a grounding plate, and a housing. The conductive terminals and the central steel sheet are disposed in the main plastic part, and the grounding plate is sleeved on the outside of the main plastic part. The main plastic part and the grounding plate are located in the housing. The grounding plate adopts a three-section stretching structure, which includes a first stretching shell, a second stretching shell, and a third stretching shell. The second stretching shell is disposed on the first stretching shell, and the third stretching shell is disposed on the second stretching shell. The third stretching shell, the second stretching shell, and the first stretching shell form a stepped structure with gradually increasing size from top to bottom. A sealing ring is provided on the outer side of the second stretching shell, and the sealing ring is interference-fitted with the outer shell. An epoxy layer is provided on the outer side of one end of the main plastic part, and the epoxy layer is sealed to the grounding plate.

2. The electrical connector according to claim 1, characterized in that, The main plastic part has a notch on its side, through which part of the steel sheet passes and contacts the grounding plate.

3. The electrical connector according to claim 1, characterized in that, The bottom of the main plastic part is provided with a dispensing groove, which is used to accommodate the epoxy adhesive layer.

4. The electrical connector according to claim 1, characterized in that, The main plastic part is equipped with multiple water storage tanks.

5. The electrical connector according to claim 1, characterized in that, The sealing ring is a liquid injection molded part.

6. The electrical connector according to claim 1, characterized in that, The outer casing is provided with a stepped receiving cavity that cooperates with the grounding plate.

7. An electronic device, characterized in that, Includes the electrical connector as described in any one of claims 1 to 6.