A waterproof electrical connector that is easy to plug and unplug

Abstract

This utility model discloses a waterproof electrical connector for easy plugging and unplugging, including a male plug, a female socket, and a quick-connect guide assembly disposed between the male plug and the female socket. The male plug includes a male rear shell, a male front shell connected to the male rear shell, and a plurality of conductive posts spaced apart within the male front shell. The female socket includes a female rear shell, a female front shell connected to the female rear shell, and a plurality of conductive sleeves spaced apart within the female front shell. Each conductive post and a conductive sleeve are elastically and interference-fitted. The quick-connect guide assembly includes a guide post disposed on one side of the female front shell end and a guide sleeve disposed on the side wall of the male front shell. The guide sleeve has a U-shaped structure. The free end of the guide post has a first guide slope, and the inner side of the U-shaped horizontal end of the guide sleeve has a second guide slope adapted to the first guide slope. This utility model achieves quick plugging and unplugging by setting the guide post and guide sleeve to fit together. At the same time, the conductive post and conductive sleeve are set as an elastic and interference-fitted structure to ensure effective electrical contact between the conductive post and the conductive sleeve.

Description

Technical Field

[0001] This utility model relates to the field of electrical connector technology, and in particular to a waterproof electrical connector that is easy to plug and unplug. Background Technology

[0002] In the industrial and consumer electronics sectors, electrical connectors are crucial components for achieving electrical connections between devices. However, with technological advancements and the diversification of application scenarios, existing electrical connectors often employ locking mechanisms to secure the male plug and female socket to ensure connection reliability. While this ensures connection stability, in scenarios requiring frequent plugging and unplugging, the process becomes cumbersome and time-consuming, significantly reducing work efficiency. Furthermore, the conductive contact structures of existing electrical connectors mostly utilize rigid contacts, lacking elastic compensation. This makes them susceptible to poor contact or damage to contact components if dimensional deviations or assembly errors occur during plugging and unplugging. Therefore, improvements to existing electrical connectors are urgently needed. Utility Model Content

[0003] The purpose of this invention is to provide a waterproof electrical connector that facilitates easy insertion and removal. By configuring guide posts and guide sleeves for insertion and removal, and utilizing first and second guide bevels, a quick insertion and removal function can be achieved. Simultaneously, the conductive posts and conductive sleeves are designed with a flexible, interference-fit structure to ensure effective electrical contact between them.

[0004] To achieve the above objectives, the following technical solution is adopted: A waterproof electrical connector for easy plugging and unplugging includes a male plug, a female socket, and a quick-connect guide assembly disposed between the male plug and the female socket. The male plug includes a male rear shell, a male front shell connected to the male rear shell, and a plurality of conductive posts spaced apart within the male front shell. The female socket includes a female rear shell, a female front shell connected to the female rear shell, and a plurality of conductive sleeves spaced apart within the female front shell. Each conductive post and a conductive sleeve are elastically and interference-fitted. The male front shell has a plug groove at its end to accommodate the insertion of the female front shell, and the female front shell and the male front shell are connected in a mating connection. The quick-connect guide assembly includes a guide post disposed on one side of the end of the female front shell and a guide sleeve disposed on the side wall of the male front shell. The guide sleeve has a U-shaped structure, and its two vertical ends of the U-shape are connected to the side wall of the male front shell to form guide holes. The free end of the guide post has a first guide slope, and the inner side of the U-shaped horizontal end of the guide sleeve has a second guide slope adapted to the first guide slope.

[0005] Preferably, multiple leakage prevention structures are provided between the contact surfaces of the female rear shell and the female front shell, between the contact surfaces of the female front shell and the male front shell, and between the contact surfaces of the male front shell and the male rear shell; the leakage prevention structure includes a leakage prevention post and a leakage prevention groove adapted to the leakage prevention post.

[0006] Preferably, a waterproof sealing assembly is provided between the female end front shell and the male end front shell; the waterproof sealing assembly includes a sealing groove circumferentially formed on the outer surface of the female end front shell, a sealing ring embedded in the sealing groove, and a plurality of water-stop rings circumferentially provided on the outer surface of the sealing ring; the sealing ring and the water-stop ring are integrally formed and are both made of sealing silicone material.

[0007] Preferably, the conductive sleeve includes a fixed cylinder and a plurality of conductive springs circumferentially disposed at one end of the fixed cylinder; the conductive springs include a deformable cantilever and a deformable connecting portion connecting the deformable cantilever and the end of the fixed cylinder; the deformable cantilever of the plurality of conductive springs surrounds to form a conductive insertion hole for inserting a conductive post, and the conductive insertion hole is coaxially disposed with the fixed cylinder; the deformable connecting portion is inclined so that the inner diameter of the fixed cylinder is larger than the inner diameter of the conductive insertion hole.

[0008] Preferably, the inner diameter of the conductive socket is 10% to 12% smaller than the outer diameter of the conductive post.

[0009] Preferably, one side of the front end of the female end front shell is configured as a semi-circular arc structure, and the other side of the front end is configured as a semi-rectangular structure; the insertion groove of the male end front shell matches the shape of the female end front shell.

[0010] Preferably, the opposite outer side walls of the male and female rear shells are provided with a plurality of anti-slip strips; the top and bottom of the male and female rear shells are provided with a plurality of anti-slip protrusions.

[0011] Preferably, one side of the guide post is provided as a third guide slope, so that the thickness of the guide post gradually decreases in the direction close to the guide sleeve; the side wall of the male end front shell is recessed to form a guide groove that matches the guide post.

[0012] Preferably, the end face of the female front shell is provided with a first guide rounded corner surface in the circumferential direction, and the inner side of the insertion groove of the male front shell is provided with a first annular guide inclined surface that matches the first guide rounded corner surface in the circumferential direction.

[0013] Preferably, the end of the conductive post is designed with a rounded head structure; the inner side of the end of the conductive sleeve is provided with a second annular guide slope that is adapted to the rounded head structure of the guide post.

[0014] By adopting the above solution, the beneficial effects of this utility model are: This invention provides a waterproof electrical connector that facilitates easy insertion and removal. By configuring guide posts and guide sleeves for insertion and removal, and utilizing first and second guide bevels, a quick insertion and removal function can be achieved. Simultaneously, the conductive posts and conductive sleeves are designed with a flexible, interference-fit fit, ensuring effective electrical contact between them. In a preferred embodiment, a waterproof sealing component prevents short circuits or other electrical faults in outdoor or humid environments. Furthermore, by incorporating a leakage-proof structure to increase creepage distance, current leakage through unintended paths can be effectively prevented. Attached Figure Description

[0015] Figure 1 This is a perspective view of the present utility model; Figure 2 This is an exploded view of the present invention; Figure 3 This is an exploded view of the female socket of this utility model; Figure 4 This is an exploded view of the male connector of this utility model; Figure 5 This is a cross-sectional view of the conductive sleeve and conductive post of this utility model; Figure 6 for Figure 5 Enlarged view of a portion of point A in the middle; Figure 7 This is a schematic diagram of the assembly of the conductive sleeve and the conductive post of this utility model. The following are explanations of the labels in the attached diagram: 1—Male plug, 2—Female socket 3—Quick-connect guide assembly, 4—Anti-leakage post, 5—Anti-leakage channel, 6—Waterproof sealing assembly 7—Anti-slip strip, 8—Anti-slip raised dots 11—Male end rear shell, 12—Male end front shell 13—Conductive post, 14—First annular guide ramp, 21—Phase shell of the female end, 22—Anterior shell of the female end 23—Conductive sleeve, 24—Semi-circular arc structure, 25—Semi-rectangular structure, 26—First guide rounded corner surface, 31—Guide post, 32—Guide sleeve 33—First guide ramp, 34—Second guide ramp 35—Third guide ramp, 61—Sealing groove, 62—Sealing ring, 63—Water-stopping ring. Detailed Implementation

[0016] The present invention will now be described in further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present invention and not intended to limit it. Furthermore, it should be noted that, for ease of description, the accompanying drawings show only the parts relevant to the present invention, not the entire structure.

[0017] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0018] In the description of this embodiment, the terms "upper," "lower," "left," and "right," etc., refer to the orientation or positional relationship shown in the accompanying drawings. They are used only for ease of description and simplification of operation, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. In addition, the terms "first" and "second" are only used for distinction in description and have no special meaning.

[0019] Reference Figures 1 to 7As shown, this utility model provides a waterproof electrical connector that is easy to plug and unplug, including a male plug 1, a female socket 2, and a quick-connect guide assembly 3 disposed between the male plug 1 and the female socket 2; the male plug 1 includes a male rear shell 11, a male front shell 12 connected to the male rear shell 11, and a plurality of conductive posts 13 spaced apart within the male front shell 12; the female socket 2 includes a female rear shell 21, a female front shell 22 connected to the female rear shell 21, and a plurality of conductive sleeves 23 spaced apart within the female front shell 22; each conductive post 13 and a conductive sleeve 23 are elastically and interference-fitted; the male front shell 12 has a plug groove at its end to accommodate the insertion of the female front shell 22, and the female front shell 2... 2. The quick-connect guide assembly 3 is connected to the male front shell 12 by insertion. The quick-connect guide assembly 3 includes a guide post 31 located on one side of the end of the female front shell 22 and a guide sleeve 32 located on the side wall of the male front shell 12. The guide sleeve 32 has a U-shaped structure, and its two vertical ends of the U-shape are connected to the side wall of the male front shell 12 to form a guide hole. The free end of the guide post 31 is provided with a first guide slope 33, and the inner side of the U-shaped horizontal end of the guide sleeve 32 is provided with a second guide slope 34 that is adapted to the first guide slope 33. By setting the first guide slope 33 and the second guide slope 34, when the female front shell 22 and the male front shell 12 are inserted, the first guide slope 33 and the second guide slope 34 contact and slide in together, which facilitates insertion and installation.

[0020] In one specific embodiment, there are three conductive posts 13 and three conductive sleeves 23. After the female socket 2 and the male plug 1 are plugged in, the electrical conduction function is achieved by the three conductive posts 13 being plugged into the three conductive sleeves 23 in a one-to-one correspondence.

[0021] To further meet the requirements for carrying large currents and corresponding safety regulations, multiple leakage protection structures are provided between the contact surfaces of the female rear shell 21 and the female front shell 22, between the contact surfaces of the female front shell 22 and the male front shell 12, and between the contact surfaces of the male front shell 12 and the male rear shell 11. The leakage protection structure includes a leakage protection post 4 and a leakage protection groove 5 adapted to the leakage protection post 4.

[0022] In the specific implementation process, please continue to refer to... Figure 6 In the leakage protection structure between the contact surfaces of the female front shell 22 and the male front shell 12, the leakage protection groove 5 is opened on the end face of the female front shell 22, and the leakage protection post 4 is located inside the male front shell 12. After adding the leakage protection groove 5 and the leakage protection post 4, the creepage distance changes from L1 to L1+L2+L2. By increasing the creepage distance, it can carry a larger current and voltage to meet different usage environments.

[0023] A waterproof sealing assembly 6 is provided between the female front shell 22 and the male front shell 12. The waterproof sealing assembly 6 includes a sealing groove 61 circumferentially formed on the outer surface of the female front shell 22, a sealing ring 62 embedded in the sealing groove 61, and a plurality of water-stop rings 63 circumferentially formed on the outer surface of the sealing ring 62. The sealing ring 62 and the water-stop rings 63 are integrally formed and are both made of sealing silicone. When the male plug 1 is inserted into the female socket 2, the sealing ring 62 is interference-fitted with the insertion groove of the male front shell 12, and a better waterproof effect is achieved through the water-stop rings 63.

[0024] The conductive sleeve 23 includes a fixed cylinder and a plurality of conductive spring pieces circumferentially disposed at one end of the fixed cylinder; the conductive spring pieces include a deformable cantilever and a deformable connecting portion connecting the deformable cantilever and the end of the fixed cylinder; the deformable cantilever of the plurality of conductive spring pieces surrounds to form a conductive insertion hole into which the conductive post 13 can be inserted, and the conductive insertion hole is coaxially disposed with the fixed cylinder; the deformable connecting portion is inclined so that the inner diameter of the fixed cylinder is larger than the inner diameter of the conductive insertion hole.

[0025] In another specific embodiment, four conductive springs are provided. Elastic deformation is achieved through deformable cantilever and deformable connecting portion. Meanwhile, please continue to refer to... Figure 7 The inner diameter D1 of the conductive socket is 10% to 12% smaller than the outer diameter D2 of the conductive post 13, and there is an interference fit clamping force when it is inserted, which further ensures the reliable contact and conductivity between the conductive post 13 and the conductive sleeve 23.

[0026] The female front shell 22 has a semi-circular arc structure 24 on one side and a semi-rectangular structure 25 on the other side; the insertion slot of the male front shell 12 matches the shape of the female front shell 22. By setting one side of the female front shell 22 as a semi-circular arc structure 24 and the other side as a semi-rectangular structure 25, it plays a foolproof role during insertion.

[0027] The male end rear shell 11 and the female end rear shell 21 are provided with several anti-slip strips 7 on their opposite outer side walls; the top and bottom of the male end rear shell 11 and the female end rear shell 21 are provided with several anti-slip protrusions 8. By setting the anti-slip strips 7 and anti-slip protrusions 8, the friction between the hand and the male end plug 1 and the female end socket 2 is increased when plugging and unplugging, making it convenient to plug and unplug quickly.

[0028] One side of the guide post 31 is provided as a third guide slope 35, so that the thickness of the guide post 31 gradually decreases in the direction close to the guide sleeve 32; the side wall of the male end front shell 12 is recessed to form a guide groove that matches the guide post 31.

[0029] The end face of the female front shell 22 is provided with a first guide rounded corner surface 26 in a circumferential direction, and the inner side of the insertion slot of the male front shell 12 is provided with a first annular guide inclined surface 14 that is adapted to the first guide rounded corner surface 26. By setting the first guide rounded corner surface 26 and the first annular guide inclined surface 14, it is convenient to quickly insert the female front shell 22 and the male front shell 12.

[0030] The conductive post 13 has a rounded end; the conductive sleeve 23 has a second annular guide slope on its inner side that matches the rounded end of the conductive post 13. Furthermore, the second annular guide slope is located between the deformable cantilever arms of the multiple conductive spring pieces. Simultaneously, the second annular guide slope at the end of the conductive sleeve 23 provides excellent guidance when inserted into the rounded end of the conductive post 13, facilitating installation.

[0031] The above are merely preferred embodiments of this utility model and are not intended to limit the scope of this utility model. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this utility model should be included within the protection scope of this utility model. Obviously, the above embodiments of this utility model are merely examples for clearly illustrating the utility model and are not intended to limit the implementation of this utility model. For those skilled in the art, various obvious changes, readjustments, and substitutions can be made without departing from the protection scope of this utility model. It is neither necessary nor possible to exhaustively describe all embodiments here. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this utility model should be included within the protection scope of the claims of this utility model.

Claims

1. A waterproof electrical connector that is easy to plug and unplug, characterized in that, The device includes a male plug, a female socket, and a quick-connect guide assembly located between the male plug and the female socket. The male plug includes a male rear shell, a male front shell connected to the male rear shell, and multiple conductive posts spaced apart within the male front shell. The female socket includes a female rear shell, a female front shell connected to the female rear shell, and multiple conductive sleeves spaced apart within the female front shell. Each conductive post and a conductive sleeve are elastically and interference-fitted together. The male front shell has a insertion groove at its end to accommodate the insertion of the female front shell, and the female front shell and the male front shell are connected in a mating connection. The quick-connect guide assembly includes a guide post located on one side of the female front shell and a guide sleeve located on the side wall of the male front shell. The guide sleeve has a U-shaped structure, and its two vertical ends of the U-shape are connected to the side wall of the male front shell to form guide holes. The free end of the guide post has a first guide slope, and the inner side of the U-shaped horizontal end of the guide sleeve has a second guide slope adapted to the first guide slope.

2. The watertight electrical connector of claim 1, wherein, Multiple leakage protection structures are provided between the contact surfaces of the female rear shell and the female front shell, between the contact surfaces of the female front shell and the male front shell, and between the contact surfaces of the male front shell and the male rear shell; the leakage protection structure includes a leakage protection post and a leakage protection groove adapted to the leakage protection post.

3. The watertight electrical connector of claim 1, wherein, A waterproof sealing assembly is provided between the female end front shell and the male end front shell; the waterproof sealing assembly includes a sealing groove circumferentially opened on the outer surface of the female end front shell, a sealing ring embedded in the sealing groove, and multiple water-stop rings circumferentially disposed on the outer surface of the sealing ring; the sealing ring and the water-stop ring are integrally formed and are both made of sealing silicone material.

4. The watertight electrical connector of claim 1, wherein, The conductive sleeve includes a fixed cylinder and a plurality of conductive springs circumferentially disposed at one end of the fixed cylinder; the conductive springs include a deformable cantilever and a deformable connecting portion connecting the deformable cantilever and the end of the fixed cylinder; the deformable cantilever of the plurality of conductive springs surrounds to form a conductive insertion hole for inserting a conductive post, and the conductive insertion hole is coaxially disposed with the fixed cylinder; the deformable connecting portion is inclined so that the inner diameter of the fixed cylinder is larger than the inner diameter of the conductive insertion hole.

5. The watertight electrical connector of claim 4, wherein, The inner diameter of the conductive socket is 10% to 12% smaller than the outer diameter of the conductive post.

6. The watertight electrical connector of claim 1, wherein, The front end of the female end shell is configured with a semi-circular arc structure on one side and a semi-rectangular structure on the other side; the insertion groove of the male end shell matches the shape of the female end shell.

7. The waterproof electrical connector of claim 1, wherein, The male and female rear shells are provided with several anti-slip strips on their opposite outer side walls; the top and bottom of the male and female rear shells are provided with several anti-slip protrusions.

8. The waterproof electrical connector of claim 1, wherein, One side of the guide post is designed as a third guide slope, so that the thickness of the guide post gradually decreases in the direction close to the guide sleeve; the side wall of the male end front shell is recessed to form a guide groove that matches the guide post.

9. The waterproof electrical connector of claim 1, wherein, The end face of the female front shell is provided with a first guide rounded corner surface in the circumferential direction, and the inner side of the insertion groove of the male front shell is provided with a first annular guide inclined surface that matches the first guide rounded corner surface in the circumferential direction.

10. The waterproof electrical connector for easy plugging and unplugging according to claim 1, characterized in that, The end of the conductive post is designed with a rounded head structure; the inner side of the end of the conductive sleeve is provided with a second annular guide slope that is adapted to the rounded head structure of the guide post.

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