Mass-production rapid injection molding type underwater connector assembly

Abstract

The utility model discloses an underwater communication technology, and aims to provide a mass-production rapid injection molding type underwater connector assembly, which is characterized by comprising a connector assembly body, the connector assembly body comprises a male contact pin, a female contact pin, a male contact pin, a female contact pin, a male contact pin and a female contact pin, the electric contact pin part is used for being connected with the electric contact hole part of the female contact pin; the pin part of the female pin is used for being welded with the other end of the cable, and the electric contact hole part is used for being connected with the electric contact needle part of the male pin; the plug shell is formed through injection molding, fixes and wraps the welding part of the cable and the male pin, and is used for being assembled with the socket shell; the socket shell is formed through injection molding, fixes and wraps the welding part of the cable and the female pin, and is used for being assembled with the plug shell; the screw sleeve sleeves the plug shell and is used for fixedly connecting the plug shell with the socket shell; the utility model is suitable for the technical field of underwater communication.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of underwater communication technology, more specifically, it relates to a mass production quick injection molding type underwater connector assembly. BACKGROUND

[0002] With the development of marine engineering, deep-sea exploration, marine equipment and other fields, underwater connector plays a vital role in electrical connection and signal transmission between devices. Injection molding type underwater connector becomes an ideal choice in underwater application due to its excellent sealing, corrosion resistance and low cost. SUMMARY

[0003] In view of the deficiencies in the prior art, the utility model aims to provide a mass production quick injection molding type underwater connector assembly.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a mass production quick injection molding type underwater connector assembly, comprising a connector assembly body, the connector assembly body comprises:

[0005] Male pin: the pin part is used for welding with one end of the cable, and the electrical contact pin part is used for coupling with the electrical contact hole part of the female pin;

[0006] Female pin: the pin part is used for welding with the other end of the cable, and the electrical contact hole part is used for coupling with the electrical contact pin part of the male pin;

[0007] Plug shell: formed by injection molding and fixedly wrapped with the welding part of the cable and the male pin, used for assembling with the socket shell;

[0008] Socket shell: formed by injection molding and fixedly wrapped with the welding part of the cable and the female pin, used for assembling with the plug shell;

[0009] Sleeve: sleeved on the plug shell and used for fixedly connecting the plug shell with the socket shell;

[0010] The L-shaped annular waterproof sleeve is arranged in the sleeve and abuts against the inner bottom surface and the inner side surface.

[0011] The utility model is further provided: the plug shell formed by injection molding is a stepped shaft as a whole, the plug shell is respectively a first stepped shaft, a second stepped shaft, a third stepped shaft and a fourth stepped shaft from left to right, the welding part of the cable and the male pin is located in the first stepped shaft, and the electrical contact pin part of the male pin is located in the fourth stepped shaft, the end surface of the fourth stepped shaft is provided with a communication hole used for coupling the female pin with the male pin with the electrical contact pin part of the male pin;

[0012] The socket shell is convex as a whole, and is provided with outer threads on the first step shaft, and the inside is provided with step hole one and step hole two from left to right, the welding part of the cable and the female pin is located in the second step shaft, and the electrical contact hole part of the female pin is exposed in the step hole two;

[0013] The screw sleeve is concave as a whole, and is provided with inner threads on the inner circumferential surface, and the end surface is coaxially provided with a hole matched with the first step shaft.

[0014] The utility model further sets up: the diameter of second step shaft > the diameter of third step shaft > the diameter of first step shaft > the diameter of fourth step shaft, the diameter of step shaft one > the diameter of step shaft two, the diameter of step hole one > the diameter of step hole two.

[0015] The diameter of fourth step shaft is matched with the diameter of step hole two, the diameter of third step shaft is matched with the diameter of step hole one, and the diameter of second step shaft is less than the diameter of step shaft one.

[0016] The utility model further sets up: the L type annular waterproof sleeve is made of rubber, and the ratio of the long side and the short side of L type annular waterproof sleeve is 2-3.

[0017] The utility model has the advantages of:

[0018] 1. Compared with the prior art, the utility model discloses mass production quick injection type underwater connector assembly, which realizes effective electrical connection by adopting the structural design of the male pin and the female pin, and the design of the male pin and the female pin enables the assembly to realize good electrical contact in the underwater environment, ensures the reliability of signal transmission, and simultaneously, the plug shell and the socket shell are manufactured by the injection molding process, thereby enhancing the mechanical strength and water resistance of the assembly, this design not only prolongs the service life of the connector, but also effectively prevents water from entering, thereby avoiding electrical short circuit or failure, the addition of the screw sleeve provides additional fixing effect, so that the connector can also maintain stability in the dynamic environment, and in addition, the injection molding process has the advantages of mass production and low cost, and this efficient structural design enables the connector assembly to be widely applied to underwater electronic equipment.

[0019] 2.The step design of the mass-produced quick injection molded underwater connector assembly plug shell and socket shell provides a stable structure and ensures the accuracy of insertion through a clear shape, especially the step shaft design of the plug shell, which can effectively guide the docking of the female and male pins and reduce errors during assembly, improving the reliability of the connection and making the overall assembly process more simple and efficient. The setting of the convex shape of the socket shell and the step hole further enhances the fixation, avoiding connection loosening caused by vibration or impact during use. In addition, the easy positioning feature of this design improves production efficiency and reduces the complexity of manual operation, making it suitable for large-scale production. Through optimized spatial layout, the connector assembly can better adapt to underwater working environments and exhibit excellent compression resistance and corrosion resistance.

[0020] 3.The design effectively ensures the tightness of the parts, making the entire connector more stable and durable when subjected to external pressure. The different diameter designs of the step shafts not only help to enhance the tensile resistance of the connection, but also enable more secure electrical contact, improving the efficiency and stability of electrical signal transmission. This structure can effectively reduce connection loosening or failure caused by temperature changes or environmental changes, ensuring reliable operation in harsh underwater environments. In addition, the specific diameter matching relationship allows the manufacturing process to be standardized, further reducing production costs and improving production efficiency, promoting the widespread application of underwater connectors.

[0021] 4.The utility model discloses simple and reasonable structure, manufacturing method, easy operation avoid the defects in the prior art, suitable for promoting implementation application. BRIEF DESCRIPTION OF DRAWINGS

[0022] Fig. 1 It is a structural diagram of the utility model.

[0023] Fig. 2 It is a structural diagram of the plug shell of the utility model.

[0024] Fig. 3 It is a structural diagram of the socket shell of the utility model.

[0025] Figs. 1-3 Reference signs: 1, male pin; 2, female pin; 3, plug shell; 4, socket shell; 5, screw sleeve; 6, first step shaft; 7, second step shaft; 8, third step shaft; 9, fourth step shaft; 10, communication hole; 11, step shaft one; 12, step shaft two; 13, step hole one; 14, step hole two. DETAILED DESCRIPTION

[0026] Reference Figs. 1-3The utility model discloses mass production quick injection type underwater connector assembly embodiment further illustrates.

[0027] For ease of explanation, spatial relative terms such as "upper", "lower", "left", "right" and the like are used in the embodiments to describe the relationship of one element or feature to another element or feature as shown in the drawings. It should be understood that, in addition to the orientation shown in the drawings, the spatial terms are intended to include different orientations of the device in use or operation. For example, if the device in the drawing is inverted, the element described as being "below" other elements or features will be positioned "above" the other elements or features. Therefore, the exemplary term "below" can include both the upper and lower orientations. The device can be positioned in other ways (rotated 90 degrees or positioned in other orientations), and the spatial relative descriptions used herein can be interpreted accordingly.

[0028] Moreover, relational terms such as "first" and "second" and the like can merely be used to differentiate one from another of a same name, and do not necessarily require or imply any such actual relationship or order between or among the referenced items.

[0029] Figs. 1 to 3 The utility model discloses mass production quick injection type underwater connector assembly, including connector assembly body, the connector assembly body includes:

[0030] Male pin 1: pin portion is used for welding with one end of cable, and the electric contact pin portion is used for coupling with the electric contact hole portion of female pin 2;

[0031] Female pin 2: pin portion is used for welding with the other end of cable, and the electric contact hole portion is used for coupling with the electric contact pin portion of male pin 1;

[0032] Plug shell 3: by injection molding and with the welding portion of male pin 1 of cable and fixed package, be used for assembling with socket shell 4;

[0033] Socket shell 4: by injection molding and with the welding portion of female pin 2 of cable and fixed package, be used for assembling with plug shell 3;

[0034] Screw sleeve 5: set up on plug shell 3 and be used for the fixed connection of plug shell 3 and socket shell 4;

[0035] L type annular waterproof sleeve of abutting inner bottom surface and inner side surface is provided in the screw sleeve 5, and water is further prevented from being immersed;

[0036] Compared with the prior art, the utility model discloses mass production quick injection molding type underwater connector assembly through the structural design of male pin 1 and female pin 2, realizes effective electric connection, and the design of male pin 1 and female pin 2 makes that the assembly can realize good electrical contact in underwater environment, ensures the reliability of signal transmission, simultaneously, the plug shell 3 and socket shell 4 are made through injection molding process, strengthen the mechanical strength and water resistance of assembly, this design not only improves the service life of connector, also effectively prevents the invasion of moisture, thereby avoids electrical short circuit or failure, the addition of screw sleeve 5 provides additional fixing effect, makes the connector also can keep stability in dynamic environment, in addition the advantage of injection molding process is that can mass production and cost is lower, and this efficient structural design makes the connector assembly can be widely used in underwater electronic equipment.

[0037] The plug shell 3 made of injection molding is whole stepped shaft, and the plug shell 3 is first stepped shaft 6, second stepped shaft 7, third stepped shaft 8 and fourth stepped shaft 9 from left to right, the welding part of cable and male pin 1 is located in first stepped shaft 6, and the electric contact pin part of male pin 1 is located in fourth stepped shaft 9, and the end face of fourth stepped shaft 9 is provided with the through hole 10 for making female pin 2 and male pin 1 connect with each other with the electric contact pin part of male pin 1,

[0038] The socket shell 4 made of injection molding is whole convex, and the socket shell 4 is stepped shaft one 11 and stepped shaft two 12 from left to right, and stepped shaft one 11 is provided with external thread, and its inside is stepped hole one 13 and stepped hole two 14 from left to right, the welding part of cable and female pin 2 is located in stepped shaft two 12, and the electric contact hole part of female pin 2 is exposed in stepped hole two 14,

[0039] The screw sleeve 5 is made of injection molding and is whole concave, and the inner thread of inner circumferential surface of screw sleeve 5 is adapted to the external thread, and the hole of screw sleeve 5 end face is coaxially arranged with first stepped shaft 6,

[0040] The step design of the plug shell 3 and the socket shell 4 of the utility model provides a stable structure, and ensures the accuracy of insertion through a clear shape, in particular, the step shaft design of the plug shell 3 can effectively guide the butt joint of the female contact pin 2 and the male contact pin 1, reduces the error in the assembly process, the design improves the reliability of the connection, and simultaneously makes the overall assembly process more simple and efficient. The convex shape of the socket shell 4 and the setting of the step hole further enhance the fixing property, avoid the connection loosening caused by vibration or impact during use, in addition, the easy positioning feature of the design improves the production efficiency, reduces the complexity of manual operation, and is suitable for large-scale mass production. Through the optimized space layout, the connector assembly can better adapt to the underwater working environment, and exhibits excellent compression resistance and corrosion resistance.

[0041] The diameter of the second step shaft 7 is greater than that of the third step shaft 8, the diameter of the third step shaft 8 is greater than that of the first step shaft 6, the diameter of the first step shaft 6 is greater than that of the fourth step shaft 9, the diameter of the step shaft one 11 is greater than that of the step shaft two 12, and the diameter of the step hole one 13 is greater than that of the step hole two 14.

[0042] The diameter of the fourth step shaft 9 is matched with that of the step hole two 14, the diameter of the third step shaft 8 is matched with that of the step hole one 13, and the diameter of the second step shaft 7 is less than that of the step shaft one 11.

[0043] The design effectively ensures the tightness of the cooperation between the parts, so that the whole connector has higher stability and durability when bearing external pressure, the different diameter designs of the step shafts not only help to enhance the tensile resistance of the connection, but also can realize more close electrical contact, improve the efficiency and stability of the electrical signal transmission, the structure can effectively reduce the connection loosening or failure caused by temperature change or environmental change, so as to ensure that the reliable working state can be maintained in the harsh underwater environment, in addition, the specific diameter matching relationship can standardize the manufacturing process, further reduce the production cost, improve the production efficiency, and promote the wide application of the underwater connector.

[0044] The L-shaped annular waterproof sleeve is made of rubber, and the ratio of the long side to the short side of the L-shaped annular waterproof sleeve is 2-3, wherein the short side and the inner bottom surface of the screw sleeve 5 are attached, the long side and the inner side surface of the screw sleeve 5 are attached, and the length of the short side is less than the difference between the radius of the inner bottom surface of the screw sleeve 5 and the radius of the upper hole of the screw sleeve 5; so that the L-shaped annular waterproof sleeve can provide more uniform contact pressure during sealing, better adapt to various installation environments, and enhance the sealing effect, the ratio design improves the compression resistance of the L-shaped annular waterproof sleeve, and through the optimization of the long-short side ratio, the stress can be more uniformly distributed when subjected to external pressure, avoiding excessive pressure concentrated in a certain part, thereby improving the durability and anti-aging property of the waterproof sleeve and prolonging its service life.

[0045] The operation method comprises the following steps:

[0046] The screw sleeve 5 is formed by an injection molding process, and the internal thread is processed; one end of the cable is welded with the pin part of the male pin 1, then the screw sleeve 5 is sleeved on the cable and away from the welding part, and then the cable and the male pin 1 are put into the mold of the plug shell 3 for injection molding to form the plug shell 3, and the plug shell 3 is fixedly connected with the cable and the male pin 1, and the welding part is located in the plug shell 3, so that the communication hole 10 on the fourth stepped shaft 9 of the plug shell 3 corresponds to the electric contact pin part of the male pin 1; then the other end of the cable is welded with the pin part of the female pin 2, and then the cable and the female pin 2 are put into the mold of the socket shell 4 for injection molding to form the socket shell 4, and the socket shell 4 is fixedly connected with the cable and the female pin 2, and the welding part is located in the socket shell 4, so that the electric contact hole part of the female pin 2 is exposed in the stepped hole; then external threads are processed on the outer circumferential surface of the socket shell 4, which are matched with the internal threads of the screw sleeve 5, so as to facilitate connection; then the plug shell 3 and the socket shell 4 are combined and assembled, the plug shell 3 is inserted into the socket shell 4, the fourth stepped shaft 9 is connected with the stepped hole two 14, the third stepped shaft 8 is connected with the stepped hole one 13, the right end surface of the second stepped shaft 7 is connected with the end surface of the stepped shaft one 11, and the electric contact hole part of the female pin 2 is inserted into the communication hole 10 and connected with the electric contact pin part of the male pin 1; finally, the screw sleeve 5 is sleeved on the first stepped shaft 6 of the plug shell 3, and is threadedly connected with the stepped shaft one 11 of the socket shell 4 until the inner end surface of the screw sleeve 5 abuts against the left end surface of the second stepped shaft 7.

[0047] The utility model discloses simple and reasonable structure, manufacturing method, easy operation avoid the defect among the prior art, and it is suitable for promoting implementation application.

[0048] The above only is the preferred embodiment of the utility model, and does not use to limit the utility model, and the technical personnel in the art carries out the change and the replacement of the utility model technical scheme range normally and should include in the protection range of the utility model.

Claims

1. A mass producible quick injection molded underwater connector assembly, characterized by: The connector assembly body comprises: Male pin (1): pin part for welding with one end of the cable, and electrical contact pin part for coupling with the electrical contact hole part of the female pin (2); Female pin (2): pin part for welding with the other end of the cable, and electrical contact hole part for coupling with the electrical contact pin part of the male pin (1); Plug shell (3): formed by injection molding and fixedly wrapped with the welding part of the male pin (1) and the cable, used for assembling with the socket shell (4); Socket shell (4): formed by injection molding and fixedly wrapped with the welding part of the female pin (2) and the cable, used for assembling with the plug shell (3); Sleeve (5): fitted on the plug shell (3) and used for fixedly connecting the plug shell (3) and the socket shell (4); An L-shaped annular waterproof sleeve is arranged in the sleeve (5) and abuts against the inner bottom surface and the inner side surface.

2. A mass-producible quick injection molded underwater connector assembly according to claim 1, wherein, The plug shell (3) formed by injection molding is a stepped shaft as a whole, the plug shell (3) is respectively a first stepped shaft (6), a second stepped shaft (7), a third stepped shaft (8) and a fourth stepped shaft (9) from left to right, the welding part of the male pin (1) and the cable is located in the first stepped shaft (6), and the electrical contact pin part of the male pin (1) is located in the fourth stepped shaft (9), the end surface of the fourth stepped shaft (9) is provided with a communication hole (10) used for coupling the female pin (2) and the male pin (1) and matched with the electrical contact pin part of the male pin (1); The socket shell (4) formed by injection molding is a convex letter as a whole, the socket shell (4) is respectively a first stepped shaft (11) and a second stepped shaft (12) from left to right, the first stepped shaft (11) is provided with external threads, and the inside thereof is a first stepped hole (13) and a second stepped hole (14) from left to right, the welding part of the female pin (2) and the cable is located in the second stepped shaft (12), and the electrical contact hole part of the female pin (2) is exposed in the second stepped hole (14); The sleeve (5) is formed by injection molding and is a concave letter as a whole, the inner circumferential surface of the sleeve (5) is provided with internal threads matched with the external threads, and the end surface of the sleeve (5) is coaxially provided with a hole matched with the first stepped shaft (6).

3. A volume production rapid injection molded subsea connector assembly according to claim 2, wherein, The diameter of the second stepped shaft (7) is greater than that of the third stepped shaft (8), the diameter of the third stepped shaft (8) is greater than that of the first stepped shaft (6), the diameter of the first stepped shaft (6) is greater than that of the fourth stepped shaft (9), the diameter of the first stepped shaft (11) is greater than that of the second stepped shaft (12), and the diameter of the first stepped hole (13) is greater than that of the second stepped hole (14); The diameter of the fourth stepped shaft (9) is matched with that of the second stepped hole (14), the diameter of the third stepped shaft (8) is matched with that of the first stepped hole (13), and the diameter of the second stepped shaft (7) is less than that of the first stepped shaft (11).

4. A volume production rapid injection molded subsea connector assembly as defined in claim 1, wherein, The L-shaped annular waterproof sleeve is made of rubber, and the ratio of the long side to the short side of the L-shaped annular waterproof sleeve is 2-3.

Images