Large-current waterproof rubber and plastic connector assembly
By designing high-current waterproof rubber and plastic connector components, using rubber surface sealing and locking screw sleeve connection, the problem of underwater connectors is solved, the current carrying capacity and voltage resistance requirements are improved, and the cost-effective connector solution is achieved.
Patent Information
- Application Number
- CN202422226705.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-11
- Publication Date
- 2025-07-04
- Estimated Expiration
- 2034-09-11
AI Technical Summary
The existing single-core high-current connectors have problems such as insolid assembly, loosening or stuck in underwater environments, and the current carrying capacity and voltage resistance requirements are insufficient.
A high-current waterproof rubber and plastic connector assembly is designed, including plug and socket injection molded elastomer, which is connected by rubber-side sealing and locking screw sleeves, optimized process to improve connection reliability and current carrying capacity.
It realizes simple assembly and cost-effectiveness of the connector, while improving current carrying capacity and voltage resistance, ensuring the reliability of the connection.
Smart Images

Figure CN223066533U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of underwater cable transmission technology, and particularly relates to a large-current waterproof rubber and plastic connector assembly. Background Art
[0002] Single-core large-current connectors are widely used in the industrial field, mainly for connecting power equipment and facilities, such as power transformers, generators, high-voltage switchgear, etc. These connectors play an important role in the field of power transmission and distribution. With the continuous development of the industrial field, the demand for single-core large-current connectors is also increasing. As one of the important components for the normal operation of underwater equipment, large-current waterproof connectors are also increasingly widely used, including large underwater construction machinery, working appliances, underwater lighting, underwater cameras, underwater power distribution systems, shallow water assembly devices, offshore oil production platforms, and subsea observation networks, etc. At the same time, due to such a special underwater scenario, using seawater as the negative electrode, the transmission of two-core large current becomes single-core large current, enabling rapid charging and discharging of these underwater equipment.
[0003] Most of the existing single-core large-current connectors have poor structural assembly connectivity, and problems such as loosening or jamming may occur in the connection part after insertion, and the requirements for the overall current-carrying capacity and voltage resistance of the connector are relatively insufficient. Content of the Utility Model
[0004] The purpose of the utility model is to provide a large-current waterproof rubber and plastic connector assembly to solve the problems raised in the above background art.
[0005] To achieve the above purpose, the utility model provides the following technical solution: A large-current waterproof rubber and plastic connector assembly includes a plug injection elastomer and a socket injection elastomer. A jack body is provided at the right end inside the plug injection elastomer, a female locking nut is provided at the right end outside the plug injection elastomer, a watertight cable is installed at the left end of the plug injection elastomer, and one end of the watertight cable is connected and conducted with the jack body. A pin body is provided inside the socket injection elastomer.
[0006] Further, a male locking nut is provided on the outer side of the left end of the socket injection elastomer, a socket housing is installed on the outer side of the right end of the socket injection elastomer, an adapter is provided on the right side of the socket injection elastomer, and the adapter is electrically connected to the in-cabin wire.
[0007] Further, the plug injection elastomer and the socket injection elastomer are sealed by rubber surface contact.
[0008] Further, the plug injection elastomer and the socket injection elastomer are threadedly connected through a female locking nut and a male locking nut.
[0009] Furthermore, the watertight cable is crimped to the jack body and encapsulated by the plug injection elastomer, and the plug injection elastomer integrally forms the socket housing and the pin body.
[0010] Compared with the prior art, the beneficial effects of the present utility model are as follows: The large-current waterproof rubber and plastic connector assembly is reasonable and has the following advantages:
[0011] By optimizing the overall structure design of the connector, the present utility model makes the overall assembly of the connector simple and has a high cost performance; at the same time, a locking nut is provided to make the connection more reliable; by optimizing the process, the overall current-carrying capacity and voltage withstand requirements of the connector are improved. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] Figure 1 is a schematic diagram of the overall structure of the present utility model;
[0013] Figure 2 is a schematic diagram of the internal structure of the female locking nut of the present utility model;
[0014] Figure 3 is a schematic diagram of the internal structure of the male locking nut of the present utility model.
[0015] In the figure: 1, watertight cable; 2, plug injection elastomer; 3, jack body; 4, female locking nut; 5, pin body; 6, socket injection elastomer; 7, male locking nut; 8, socket housing; 9, adapter. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0016] The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.
[0017] Please refer to Figures 1-3 , a technical solution provided by the present utility model:
[0018] In this embodiment, a large-current waterproof rubber and plastic connector assembly includes a plug injection elastomer 2 and a socket injection elastomer 6. The right end of the inner side of the plug injection elastomer 2 is provided with a jack body 3, the right end of the outer side of the plug injection elastomer 2 is provided with a female locking nut 4, the left end of the plug injection elastomer 2 is installed with a watertight cable 1, one end of the watertight cable 1 is connected and conducted with the jack body 3, and the inner side of the socket injection elastomer 6 is provided with a pin body 5.
[0019] In this embodiment, a male locking sleeve 7 is provided on the outer side of the left end of the socket injection-molded elastomer 6. A socket housing 8 is installed on the outer side of the right end of the socket injection-molded elastomer 6. An adapter 9 is provided on the right side of the socket injection-molded elastomer 6, and the adapter 9 is electrically connected to the in-cabin wire.
[0020] In this embodiment, the plug injection-molded elastomer 2 and the socket injection-molded elastomer 6 are sealed by rubber surface contact.
[0021] In this embodiment, the plug injection-molded elastomer 2 and the socket injection-molded elastomer 6 are threadedly connected through a female locking sleeve 4 and a male locking sleeve 7.
[0022] In this embodiment, the watertight cable 1 is crimped to the jack body 3 and encapsulated by the plug injection-molded elastomer 2. The plug injection-molded elastomer 2 integrally forms the socket housing 8 and the pin body 5.
[0023] Working principle:
[0024] When performing mold treatment, first clean the mold cavity and the corresponding mold core, then spray the mold release agent on the surfaces of the mold cavity and the mold core, and then wipe it clean; when preparing the pinholes, first accurately measure and mark the surface of the pin body 5, then perform surface treatment. After the pin body 5 is marked, accurately measure and mark the surface of the jack, then perform surface treatment. After the surface treatment is completed, remove the outer skin of the loose wire end of the loose wire, and then firmly weld it to the solder cup of the jack body 3 for standby; when vulcanizing, put the locking sleeve on the rubber cable, then weld the rubber cable core wire to the prepared jack body 3. After the welding is completed, place the positioning pin and the jack body 3 in the designed mold, and then put the rubber material into the injection molding machine and inject and vulcanize it by the injection molding machine to make the plug connector assembly. After the preparation is completed, put the socket housing 8 on the prepared loose wire, then place the positioning pin and the pin body 5 in the designed mold, and then put the rubber material into the injection molding machine and inject and vulcanize it by the injection molding machine to make the plug socket connector.
[0025] For those skilled in the art, it is obvious that the present invention is not limited to the details of the above exemplary embodiments, and the present invention can be implemented in other specific forms without departing from the spirit or basic characteristics of the present invention. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting. The scope of the present invention is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present invention. Any reference signs in the claims should not be regarded as limiting the claimed rights.
Claims
1. A large-current waterproof rubber and plastic connector assembly, comprising a plug injection elastomer (2) and a socket injection elastomer (6), characterized in that: The inner right end of the plug injection elastomer (2) is provided with a jack body (3). The outer right end of the plug injection elastomer (2) is provided with a female locking sleeve (4). The left end of the plug injection elastomer (2) is installed with a watertight cable (1). One end of the watertight cable (1) is connected and conducted with the jack body (3). The inner side of the socket injection elastomer (6) is provided with a pin body (5).
2. The large-current waterproof rubber and plastic connector assembly according to claim 1, characterized in that: The outer left end of the socket injection elastomer (6) is provided with a male locking sleeve (7). The outer side of the right end of the socket injection elastomer (6) is installed with a socket housing (8). The right side of the socket injection elastomer (6) is provided with an adapter (9). The adapter (9) is electrically connected to the in-cabin wire.
3. The large-current waterproof rubber and plastic connector assembly according to claim 1, wherein: The plug injection elastomer (2) and the socket injection elastomer (6) are sealed by rubber surface contact.
4. The large-current waterproof rubber and plastic connector assembly according to claim 2, wherein: The plug injection elastomer (2) and the socket injection elastomer (6) are threadedly connected through the female locking sleeve (4) and the male locking sleeve (7).
5. The large-current waterproof rubber and plastic connector assembly according to claim 2, wherein: The watertight cable (1) is crimped with the jack body (3) and encapsulated by the plug injection elastomer (2). The plug injection elastomer (2) integrally forms the socket housing (8) and the pin body (5).