Damp-proof electric connector
By setting two waterproof sealing rings inside the electrical connector and setting an outer sealing ring on the outer layer, the problem of limited waterproof or moisture-proof capabilities of existing electrical connectors is solved, and a more efficient sealing effect is achieved, completely blocking water molecules from entering the interior of the electrical connector.
Patent Information
- Application Number
- CN202421533357.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-01
- Publication Date
- 2025-04-18
- Estimated Expiration
- 2034-07-01
AI Technical Summary
The existing electrical connectors have limited waterproof or moisture-proof capabilities and are protected by only one layer of waterproof structure, making it difficult to effectively block water molecules from entering the interior of the electrical connector.
Two layers of waterproof sealing rings are arranged inside the electrical connector, and they are arranged inside the electrical connector housing. The two layers of sealing rings completely block the passage of water molecules into the electrical components inside the electrical connector. At the same time, an outer sealing ring is arranged on the outer layer to further improve the waterproof or moisture-proof sealing effect.
The two-layer waterproof sealing rings are arranged to significantly improve the sealing effect of the electrical connector, completely blocking water molecules from entering the interior of the electrical connector, and improving waterproof or moisture-proof sealing performance.
Smart Images

Figure CN222775667U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of electric connectors, and in particular relates to a moisture-proof electric connector. Background Art
[0002] At present, in all aspects of people's daily life, in order to achieve the connection between electrical input and output, electrical connectors are often used. The most common ones are plugs, sockets, and MC connectors. These connectors have different numbers of contacts according to the number of phases of transmitted power or current. These electrical connectors are widely used in various electronic products and are the main functional components of electronic products. With the development of electronic technology, circuit structures are becoming increasingly complex, and the corresponding structures of electrical connectors are also becoming increasingly complex, and the application scenarios and application conditions of electrical connectors are also becoming higher and higher.
[0003] For example, the patent document with the publication number "CN214589461U" discloses a sealed waterproof electrical connector, including an electrical connector body, a top positioning groove is provided on the top outer surface of the electrical connector body, a sealing waterproof mechanism is threadedly connected to the inner surface of the top positioning groove, a pin is fixedly connected to the inner surface of the top positioning groove, and a bottom positioning groove is provided on the lower end outer surface of the electrical connector body. Using the patented technical solution, the annular baffle is clamped in the top positioning groove, and the fixing bolt is inserted into the threaded groove for fixing. Finally, the electrical connector can be sealed by a sealing gasket to prevent water from entering the interior of the electrical connector through the gap in the electrical connector. However, in the prior art, in order to improve the waterproof performance of the electrical connector, the electrical connection sleeve is generally placed in a waterproof sealing ring or a waterproof sealing ring is clamped between the electrical connector and its installation interface. In this type of structure, the electrical components inside the electrical connector are only protected by a layer of waterproof structure, and the waterproof or moisture-proof ability is limited. Utility Model Content
[0004] In order to solve the above technical problems, the utility model provides a moisture-proof electrical connector.
[0005] The utility model provides a moisture-proof electrical connector, comprising a plug unit and a socket unit, wherein the plug unit comprises a head shell and a first conductive component, the socket unit comprises a seat shell and a second conductive component, the first conductive component comprises a first protective sleeve, a first guide pin is arranged in the first protective sleeve, the second conductive component comprises a second protective sleeve, a second guide pin is arranged in the second protective sleeve, a plug hole is also arranged on the surface of the second guide pin, a tail sleeve is arranged on one side of the head shell and one side of the seat shell, a first sealing ring is arranged in the tail sleeve, a second sealing ring is also arranged in the head shell or the seat shell, the first protective sleeve and the second protective sleeve respectively penetrate the first sealing ring and the second sealing ring, when the other side of the head shell is fitted on the other side of the seat shell, the first protective sleeve and the second protective sleeve are fitted with each other, and the first guide pin is fitted in the plug hole.
[0006] The first sealing ring or the second sealing ring is in the shape of a truncated cone with one end larger than the other end.
[0007] The head shell is also sleeved in the first interface pad, and the seat shell is also provided with a second interface pad.
[0008] A pressure plate is also provided in the tail cylinder, and the pressure plate is clamped between the first sealing ring and the inner wall surface of the tail cylinder.
[0009] A first potting glue is also provided in the tail cylinder, and the first potting glue is filled between the inner wall surface of the tail cylinder and the first casing or between the inner wall surface of the tail cylinder and the second casing.
[0010] At least a portion of the tail cylinder is clamped between the second sealing ring and the inner wall surface of the head shell or between the second sealing ring and the inner wall surface of the seat shell.
[0011] A second potting glue is also provided in the head shell or the seat shell, and the second potting glue is filled between the tail cylinder and the inner wall surface of the head shell or between the tail cylinder and the inner wall surface of the seat shell.
[0012] A first flange is provided around the head shell, and a first bolt is provided on the surface of the first flange. A second flange is provided around the seat shell, and a second bolt is provided on the surface of the second flange. When the first guide pin is sleeved in the insertion hole, the first bolt and the second bolt are screwed together.
[0013] Insulating plugs are respectively arranged in the first protective tube and the second protective tube. The insulating plugs are clamped between the first protective tube and the first guide needle, and between the second protective tube and the second guide needle.
[0014] The ratio of the number of the first conductive components to the number of the head shell is 4:1, and the ratio of the number of the second conductive components to the number of the seat shell is 4:1.
[0015] The beneficial effect of the utility model is that: by adopting the technical solution provided by the utility model, two layers of waterproof sealing rings are arranged inside the electrical connector, and the two layers of waterproof sealing rings are arranged inside the electrical connection shell, so that the passage of water molecules into the electrical components inside the electrical connector is completely blocked, and the sealing effect is improved. The electrical connector provided by the utility model can also be installed in the corresponding outer waterproof sealing ring, or the outer sealing ring can be sandwiched between the electrical connector shell and its installation interface, so as to further improve the waterproof or moisture-proof sealing effect. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is a front view of the plug unit of the utility model;
[0017] Figure 2 It is a front view of the socket unit of the utility model;
[0018] Figure 3 It is an assembly diagram of the plug unit and the socket unit of the utility model;
[0019] Figure 4 It is a front view of the first conductive component of the utility model;
[0020] Figure 5 It is a front view of the second conductive component of the utility model.
[0021] In the figure: 1-plug unit, 2-socket unit, 3-head shell, 4-first conductive component, 5-seat shell, 6-second conductive component, 7-first protective sleeve, 8-first guide pin, 9-second protective sleeve, 10-second guide pin, 11-jack, 12-tail sleeve, 13-first sealing ring, 14-second sealing ring, 15-first interface pad, 16-second interface pad, 17-pressing plate, 18-first potting glue, 19-second potting glue, 20-first flange, 21-first bolt, 22-second flange, 23-second bolt, 24-insulating plug. DETAILED DESCRIPTION
[0022] The technical solution of the utility model is further described below in conjunction with the accompanying drawings, but the protection scope required is not limited to the above;
[0023] The utility model provides a moisture-proof electrical connector, such as Figures 1 to 5As shown, the moisture-proof electrical connector includes a plug unit 1 and a socket unit 2, the plug unit 1 includes a head shell 3 and a first conductive component 4, the socket unit 2 includes a seat shell 5 and a second conductive component 6, the first conductive component 4 includes a first protective sleeve 7, a first guide pin 8 is arranged in the first protective sleeve 7, the second conductive component 6 includes a second protective sleeve 9, a second guide pin 10 is arranged in the second protective sleeve 9, and a plug hole 11 is also arranged on the surface of the second guide pin 10, one side of the head shell 3 and one side of the seat shell 5 are provided with a tail sleeve 12, a first sealing ring 13 is arranged in the tail sleeve 12, and a second sealing ring 14 is also arranged in the head shell 3 or the seat shell 5, respectively, the first protective sleeve 7 and the second protective sleeve 9 pass through the first sealing ring 13 and the second sealing ring 14, respectively, when the other side of the head shell 3 is fitted on the other side of the seat shell 5, the first protective sleeve 7 and the second protective sleeve 9 are fitted with each other, and the first guide pin 8 is fitted in the plug hole 11.
[0024] By adopting the technical solution provided by the utility model, two layers of waterproof sealing rings are arranged inside the electrical connector, and the two layers of waterproof sealing rings are arranged inside the electrical connection shell, so as to completely block the passage of water molecules into the electrical components inside the electrical connector, thereby improving the sealing effect. The electrical connector provided by the utility model can also be installed in the corresponding outer waterproof sealing ring, or the outer sealing ring can be sandwiched between the electrical connector shell and its installation interface, so as to further improve the waterproof or moisture-proof sealing effect.
[0025] Specifically, the first sealing ring 13 or the second sealing ring 14 is in the shape of a truncated cone with one end larger than the other end. When the other side of the head shell 3 is fitted onto the other side of the seat shell 5, since the first sealing ring 13 or the second sealing ring 14 is in the shape of a truncated cone with one end larger than the other end, the first sealing ring 13 and the second sealing ring 14 are deformed along their own axial or radial directions at the same time, thereby completely covering the gap between the inner wall of the electrical connector housing and the electrical components, thereby improving the waterproof or moisture-proof sealing performance.
[0026] In addition, the head shell 3 is also sleeved in the first interface pad 15, and the seat shell 5 is also provided with a second interface pad 16. With the technical solution of the utility model, when the other side of the head shell 3 is sleeved on the other side of the seat shell 5, the head shell 3 exerts an extrusion effect on the second interface pad 16, and the seat shell 5 exerts an extrusion effect on the first interface pad 15, so that the first interface pad 15 and the second interface pad 16 are deformed, and the sealing performance of the plug unit 1 and the socket unit 2 is further improved.
[0027] In addition, a pressure plate 17 is provided in the tail cylinder 12, and the pressure plate 17 is clamped between the first sealing ring 13 and the inner wall surface of the tail cylinder 12. A first potting glue 18 is also provided in the tail cylinder 12, and the first potting glue 18 is filled between the inner wall surface of the tail cylinder 12 and the first casing 7 or between the inner wall surface of the tail cylinder 12 and the second casing 9. At least a part of the tail cylinder 12 is clamped between the second sealing ring 14 and the inner wall surface of the head shell 3 or between the second sealing ring 14 and the inner wall surface of the seat shell 5. A second potting glue 19 is also provided in the head shell 3 or the seat shell 5, and the second potting glue 19 is filled between the tail cylinder 12 and the inner wall surface of the head shell 3 or between the tail cylinder 12 and the inner wall surface of the seat shell 5. The technical solution of the utility model is adopted, and by providing the first potting glue 18 and the second potting glue 19, the electrical components inside the head shell 3 and the seat shell 5 are further protected, and the sealing effect is further improved.
[0028] In addition, a first flange 20 is provided around the head shell 3, and a first bolt 21 is provided on the surface of the first flange 20. A second flange 22 is provided around the seat shell 5, and a second bolt 23 is provided on the surface of the second flange 22. When the first guide pin 8 is fitted into the socket 11, the first bolt 21 and the second bolt 23 are screwed together.
[0029] Specifically, the first protective tube 7 and the second protective tube 9 are respectively provided with insulating plugs 24, and the insulating plugs 24 are clamped between the first protective tube 7 and the first guide pin 8, and between the second protective tube 9 and the second guide pin 10. The ratio of the number of the first conductive component 4 to the head shell 3 is 4:1, and the ratio of the number of the second conductive component 6 to the seat shell 5 is 4:1. The ratio of the number of the first guide pin 8 to the first protective tube 7 is 4:1, and the ratio of the number of the second guide pin 10 to the second protective tube 9 is 4:1. The technical solution of the utility model is adopted, and the sealing length of the first conductive component 4 and the second conductive component 6 is extended by setting the tail cylinder 12, so that the internal electrical components thereof are further protected, and the reliable operation of the internal electrical components of the electrical connector is ensured.
Claims
1. A moisture-proof electrical connector, characterized in that: The invention comprises a plug unit (1) and a socket unit (2), wherein the plug unit (1) comprises a head shell (3) and a first conductive component (4), the socket unit (2) comprises a seat shell (5) and a second conductive component (6), the first conductive component (4) comprises a first protective sleeve (7), a first guide pin (8) is arranged in the first protective sleeve (7), the second conductive component (6) comprises a second protective sleeve (9), a second guide pin (10) is arranged in the second protective sleeve (9), a plug hole (11) is also arranged on the surface of the second guide pin (10), the head shell (3) comprises a first conductive sleeve (7), a first conductive sleeve (8) is arranged in the first protective sleeve (7), the second conductive sleeve (6) comprises a second conductive sleeve (9), a second conductive sleeve (10) is arranged in the second protective sleeve (9), a plug hole (11) is arranged on the surface of the second conductive sleeve (10), and the first conductive sleeve (3) comprises a first conductive sleeve (7), a first conductive sleeve (8) is arranged in the first protective sleeve (7), and a second conductive sleeve (8) is arranged in the second protective sleeve (9). A tail cylinder (12) is provided on one side of the head shell (3) and one side of the seat shell (5), a first sealing ring (13) is provided in the tail cylinder (12), a second sealing ring (14) is provided in the head shell (3) or the seat shell (5), the first protective cylinder (7) and the second protective cylinder (9) respectively penetrate the first sealing ring (13) and the second sealing ring (14), when the other side of the head shell (3) is fitted on the other side of the seat shell (5), the first protective cylinder (7) and the second protective cylinder (9) are fitted with each other, and the first guide pin (8) is fitted in the insertion hole (11).
2. A moisture-proof electrical connector according to claim 1, characterized in that: The first sealing ring (13) or the second sealing ring (14) is in the shape of a truncated cone with one end larger than the other.
3. A moisture-proof electrical connector according to claim 1, characterized in that: The head shell (3) is also sleeved in a first interface pad (15), and a second interface pad (16) is also provided in the seat shell (5).
4. A moisture-proof electrical connector according to claim 1, characterized in that: A pressure plate (17) is also provided in the tail cylinder (12), and the pressure plate (17) is clamped between the first sealing ring (13) and the inner wall surface of the tail cylinder (12).
5. A moisture-proof electrical connector according to claim 1, characterized in that: A first potting glue (18) is also provided in the tail cylinder (12), and the first potting glue (18) is filled between the inner wall surface of the tail cylinder (12) and the first casing (7) or between the inner wall surface of the tail cylinder (12) and the second casing (9).
6. A moisture-proof electrical connector according to claim 1, characterized in that: At least a portion of the tail cylinder (12) is clamped between the second sealing ring (14) and the inner wall surface of the head shell (3) or between the second sealing ring (14) and the inner wall surface of the seat shell (5).
7. A moisture-proof electrical connector according to claim 1 or 6, characterized in that: A second potting glue (19) is also provided in the head shell (3) or the seat shell (5), and the second potting glue (19) is filled between the tail cylinder (12) and the inner wall surface of the head shell (3) or between the tail cylinder (12) and the inner wall surface of the seat shell (5).
8. A moisture-proof electrical connector according to claim 1, characterized in that: The head shell (3) is also provided with a first flange (20) around its periphery, and a first bolt (21) is provided on the surface of the first flange (20). The seat shell (5) is also provided with a second flange (22) around its periphery, and a second bolt (23) is provided on the surface of the second flange (22). When the first guide pin (8) is sleeved into the insertion hole (11), the first bolt (21) and the second bolt (23) are threadedly connected to each other.
9. A moisture-proof electrical connector according to claim 1, characterized in that: Insulating plugs (24) are also provided in the first protective tube (7) and the second protective tube (9), respectively. The insulating plugs (24) are clamped between the first protective tube (7) and the first guide needle (8), and between the second protective tube (9) and the second guide needle (10).
10. The moisture-proof electrical connector according to claim 1, characterized in that: The ratio of the number of the first conductive components (4) to the number of the head shell (3) is 4:1, and the ratio of the number of the second conductive components (6) to the number of the seat shell (5) is 4:1.
Citation Information
Patent Citations
Sealed waterproof electric connector
CN214589461U