CN221574341U - 150A heavy current watertight connector - Google Patents

Abstract

The utility model discloses a 150A heavy-current watertight connector, which comprises a plug main body and a socket main body, wherein the inner side of a port of the plug main body is movably spliced with the outer wall of the end part of the socket main body, and the socket main body is provided with a first sealing structure for radially sealing the socket main body; and a second sealing structure is arranged between the socket main body and the plug main body and is used for axially sealing between the plug main body and the socket main body. According to the utility model, when the plug main body and the socket main body are inserted, the radial sealing of the socket main body is realized by utilizing the first sealing structure, and meanwhile, the axial sealing of the plug main body and the socket main body bracket can be realized by utilizing the second sealing structure, so that the water tightness of the plug main body and the socket main body in insertion and matching is improved.

Description

150A heavy current watertight connector

Technical Field

The utility model relates to the technical field of electric connectors, in particular to a 150A heavy current watertight connector.

Background

The electric connector is a separable basic element which can be used in electric equipment or devices, the watertight connector is a connecting device which is exposed to harsh external environments, such as sea water, oil, drilling fluid and the like and is used for connecting cables and underwater pluggable electric equipment, and the watertight connector is a key component for providing stable and reliable electric power and signal transmission for all underwater electric equipment.

In the prior art, the watertight connector used nowadays generally consists of a plug and a socket, electric connection is carried out through plug-in connection between the plug and the socket, so that electric power or signal transmission is realized, but the tightness after splicing between the socket and the plug in the watertight connector is lower, the water pressure resistance is weaker when the watertight connector is plugged in liquid for use, water seepage is easy to occur, and the use quality of the watertight connector is lower.

Disclosure of utility model

The utility model aims to provide a 150A high-current watertight connector so as to solve the problems in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the 150A high-current watertight connector comprises a plug main body and a socket main body, wherein the inner side of a port of the plug main body is movably spliced with the outer wall of the end part of the socket main body, and a first sealing structure is arranged on the socket main body and used for radially sealing the socket main body;

And a second sealing structure is arranged between the socket main body and the plug main body and is used for axially sealing between the plug main body and the socket main body.

Preferably, the first sealing structure comprises a first sealing ring, and the first sealing ring is fixedly sleeved on the outer wall of one side, away from the plug main body, of the socket main body.

Preferably, the second sealing structure comprises a second sealing ring, and the second sealing ring is fixedly sleeved at the outer wall position of the socket main body extending into the inner side of the plug main body.

Preferably, the plug main body comprises a plug shell, a contact pin is fixedly arranged on the inner side of the plug shell, and a rotatable connecting nut is arranged on the outer wall of the plug shell.

Preferably, the socket main body comprises a socket shell, a first annular groove for installing a second sealing ring is formed in the end part of the outer wall of the socket shell, which extends into the inner side of the plug shell, a second annular groove for installing a first sealing ring is formed in the outer wall of the end face, which is away from the plug shell, of the socket shell, and external threads matched with the connecting nut are formed in the position, located between the first sealing ring and the second sealing ring, of the outer wall of the socket shell.

Preferably, the inside of socket casing is equipped with the jack with contact pin assorted, the fixed gill silk that is equipped with of socket casing inboard, socket casing outer wall just is located one side position department that the first sealing washer kept away from the second sealing washer and is equipped with lock nut.

Preferably, a plug insulator is fixedly arranged on the inner side of the plug shell, and a socket insulator is fixedly arranged on the inner side of the socket shell.

The utility model has the technical effects and advantages that:

According to the utility model, when the plug main body and the socket main body are inserted, the radial sealing of the socket main body is realized by utilizing the first sealing structure, and meanwhile, the axial sealing of the plug main body and the socket main body bracket can be realized by utilizing the second sealing structure, so that the water tightness of the plug main body and the socket main body in insertion and matching is improved.

Drawings

FIG. 1 is a schematic view of the front partial cross-sectional structure of the present utility model.

Fig. 2 is a schematic view of a front partial cross-sectional structure of the plug of the present utility model.

Fig. 3 is a schematic view of a front partial cross-sectional structure of the socket of the present utility model.

In the figure: 100. a plug main body; 101. a plug housing; 102. a coupling nut; 103. a plug insulator; 104. a contact pin; 200. a socket main body; 201. a socket housing; 202. a socket insulator; 203. a lock nut; 204. a first seal ring; 205. a second seal ring; 206. a jack; 207. gold plating.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The utility model provides a 150A high-current watertight connector as shown in figures 1-3, which comprises a plug main body 100 and a socket main body 200, wherein the inner side of a port of the plug main body 100 is movably spliced with the outer wall of the end part of the socket main body 200, a signal wire or a current wire is respectively connected with one end joint deviating from the plug main body 100 and the socket main body 200, then the plug main body 100 and the socket main body 200 are used for being matched, current transmission between wires can be realized, a first sealing structure is arranged on the socket main body 200 and used for radially sealing the socket main body 200, the first sealing structure can be used for radially sealing the socket main body 200 and is beneficial to improving watertight performance, a second sealing structure is arranged between the socket main body 200 and the plug main body 100 and used for axially sealing the plug position between the socket main body 200 and the plug main body 100, and after the socket main body 200 and the plug main body 100 are matched, the second sealing structure is used for axially sealing the plug position between the plug main body 200 and the socket main body 100, and the watertight performance between the socket main body 200 and the plug main body 100 is improved.

The first sealing structure comprises a first sealing ring 204, and the first sealing ring 204 is fixedly sleeved on the outer wall of one side, away from the plug main body 100, of the socket main body 200; the second sealing structure comprises a second sealing ring 205, the second sealing ring 205 is fixedly sleeved at the outer wall position of the socket main body 200 extending into the inner side of the plug main body 100, the first sealing ring 204 and the second sealing ring 205 are O-shaped sealing rings, the two O-shaped sealing rings are respectively used as the first sealing ring 204 and the second sealing ring 205, radial sealing of the socket main body 200 and axial sealing between the socket main body 200 and the plug main body 100 can be achieved, and therefore watertight performance between the socket main body 200 and the plug main body 100 can be enhanced.

In a preferred embodiment, the plug main body 100 comprises a plug housing 101, a rotatable connection nut 102 is arranged on the outer wall of the plug housing 101, the socket main body 200 comprises a socket housing 201, external threads matched with the connection nut 102 are arranged on the outer wall of the socket housing 201 and positioned between the first sealing ring 204 and the second sealing ring 205, after the plug housing 101 is inserted and matched with the socket housing 201, the connection nut 102 on the plug housing 101 is in threaded connection with the external threads on the socket housing 201, so that locking between the socket housing 201 and the plug housing 101 can be realized, Ensure the reliable plug-in between socket casing 201 and the plug casing 101, strengthen the tightness of plug-in between the two, further, the inboard fixed contact pin 104 that is equipped with of plug casing 101, the inboard of socket casing 201 is equipped with contact pin 104 assorted jack 206, the inboard fixed gold-plated silk 207 that is equipped with of socket casing 201, among the prior art, general connector contact pair all adopts "split groove" contact pair structure, namely: milling a groove at the front end of the slot (jack 206), reducing the aperture of the port, enabling the slot (jack 206) to 'pack' the tight plug (pin 104) through the elasticity of the slot (jack 206) when the contact pair is matched, Ensuring the contact performance of the slot (the jack 206) and the plug (the plug 104), analyzing from a microscopic view, wherein the actual contact is 'point contact' or partial 'line contact', and the contact between the plug (the plug 104) and the circumferential surface of the plug (the plug 104) cannot be completely realized; for a high-current connector, the diameter of the plug (the pin 104) is much larger than that of a conventional connector plug (the pin 104) so as to ensure the cross section area through which the high current passes, if the plug (the pin 104) is in a split groove type contact pair structure, the contact surface is in a 'point contact' or partial 'line contact' local contact state, the electrical performance of the contact is difficult to ensure under the condition that the high current passes, meanwhile, the plugging force of the plug (the jack 206) and the plug (the pin 104) in the plug-in connector is large, the contact structure in the embodiment adopts a 'line spring hole' structure, Namely: gold-plated wires 207 are distributed inside the jack 206 and uniformly distributed inside the jack 206 in a hyperbolic shape, after the pin 104 is inserted into the jack 206, the elastic gold-plated wires 207 uniformly contact with the pin 104 to form a plurality of contact lines, so that the contact of the jack 206 with the pin 104 is ensured to have enough contact area, the electrical performance of the plug-in contact of the jack 206 with the pin 104 is realized relatively perfectly, meanwhile, as the elastic gold-plated wires 207 inside the jack 206 uniformly bear force on the pin 104, the plug-in force of the jack 206 and the pin 104 can be ensured to be within a required range, Compared with the traditional watertight connector for rated 50A current transmission, the watertight connector has larger current transmission capacity, belongs to a characteristic watertight connector product with low voltage and large current, and has the characteristics that the watertight connector has a contact pair core number single core, a contact resistance position of 1mΩ, a working voltage of 36V, rated current of 150A, an insulation resistance of 500mΩ and static water pressure resistance of 0.8MPa; Furthermore, the plug insulator 103 is fixedly arranged on the inner side of the plug housing 101, the socket insulator 202 is fixedly arranged on the inner side of the socket housing 201, the plug insulator 103 and the socket insulator 202 are matched for use, insulation protection in the socket housing 201 and the plug housing 101 can be achieved, a certain auxiliary sealing effect is achieved, the use quality is further enhanced, meanwhile, electric leakage is avoided, the safety protection performance is high, an annular groove I for installing the second sealing ring 205 is formed at the end part of the outer wall of the socket housing 201 extending into the inner side of the plug housing 101, an annular groove II for installing the first sealing ring 204 is formed at the outer wall of the end face of the socket housing 201, which is away from the plug housing 101, The first annular groove is matched with the second annular groove, so that the first sealing ring 204 and the second sealing ring 205 can be conveniently installed and positioned, and the locking nut 203 is arranged on the outer wall of the socket shell 201 and positioned at the position of one side of the first sealing ring 204 away from the second sealing ring 205.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims (7)

1.150A heavy current watertight connector, including plug main body (100) and socket main body (200), its characterized in that, plug main body (100) port inboard and socket main body (200) end outer wall activity are pegged graft, be equipped with first seal structure on the socket main body (200) for the radial seal of socket main body (200);

a second sealing structure is arranged between the socket main body (200) and the plug main body (100) and is used for axially sealing between the plug main body (100) and the socket main body (200).

2. The 150A heavy current watertight connector according to claim 1, wherein the first sealing structure comprises a first sealing ring (204), and the first sealing ring (204) is fixedly sleeved on the outer wall of the socket main body (200) at the side facing away from the plug main body (100).

3. The 150A heavy current watertight connector according to claim 1, wherein the second sealing structure comprises a second sealing ring (205), and the second sealing ring (205) is fixedly sleeved on the outer wall position of the socket main body (200) extending into the inner side of the plug main body (100).

4. The 150A heavy current watertight connector according to claim 1, wherein the plug main body (100) comprises a plug housing (101), a pin (104) is fixedly arranged on the inner side of the plug housing (101), and a rotatable connection nut (102) is arranged on the outer wall of the plug housing (101).

5. The 150A heavy current watertight connector according to claim 4, wherein the socket main body (200) comprises a socket housing (201), a first annular groove for installing the second sealing ring (205) is formed at the end part of the outer wall of the socket housing (201) extending into the inner side of the plug housing (101), a second annular groove for installing the first sealing ring (204) is formed at the outer wall of the end face of the socket housing (201) facing away from the plug housing (101), and an external thread matched with the connecting nut (102) is formed at the position between the first sealing ring (204) and the second sealing ring (205) on the outer wall of the socket housing (201).

6. The 150A heavy current watertight connector according to claim 5, wherein the socket housing (201) is provided with a jack (206) matching with the pin (104) on the inner side, the socket housing (201) is fixedly provided with a gold plating wire (207), and the socket housing (201) is provided with a lock nut (203) on the outer wall of the socket housing (201) and at a position of one side of the first seal ring (204) away from the second seal ring (205).

7. The 150A heavy current watertight connector according to claim 5, wherein a plug insulator (103) is fixedly provided inside the plug housing (101), and a socket insulator (202) is fixedly provided inside the socket housing (201).