CN216903496U - Deepwater sealing connector - Google Patents

Abstract

The utility model discloses a deepwater sealing connector which comprises a plug and a socket which are sequentially arranged along a preset direction and detachably connected. The socket comprises a socket main body and a socket waterproof plug arranged in the socket main body, and a plug bush is inserted in the socket main body in a sealing mode. The plug comprises a plug main body, a plug waterproof plug, a locking nut and a tightening nut, and a contact pin is inserted in the plug waterproof plug in a sealing mode. The plug can be detachably connected to the socket through the locking nut, the locking connecting portion of the locking nut is rotatably sleeved on the outer side of the plug main body, the locking thread portion of the locking nut is sleeved on the outer side of the socket main body and is in threaded connection with the outer side of the socket main body, and the locking connecting portion compresses the plug main body in the socket waterproof plug along the preset direction. The packing nut is sleeved and in threaded connection with the outer side of the plug main body, and the packing nut extrudes the plug waterproof plug in the direction perpendicular to the preset direction. The contact pin can be detachably inserted into the plug bush along the preset direction so as to transmit electricity or signals. The connector has good sealing performance.

Description

Deepwater sealing connector

Technical Field

The utility model relates to the technical field of connectors, in particular to a deepwater sealing connector.

Background

An underwater robot is also called a diving device without entering water, and is a device which can replace a person to complete certain tasks under water. The underwater robot is mainly a frame type and submarine-like rotary slender body, and with the continuous development of bionic technology, the underwater robot imitating a fish type shape and even a motion mode can be continuously developed. The underwater robot works in an unknown and challenging marine environment, and various complex marine environments such as wind, wave, flow, deep water pressure and the like seriously interfere the motion and control of the underwater robot, so that the communication, navigation and positioning of the underwater robot are very difficult, which is the biggest difference from a land robot and is also a main factor which hinders the development of the underwater robot at present.

At present, in underwater robots on the market, the sealing performance of a connecting structure between underwater working equipment and an external power supply is poor, and the underwater robots cannot bear deep water pressure for long-term sealing work, so that the underwater robots are difficult to work in deep sea.

Therefore, how to provide a connector with better sealing performance is a technical problem that needs to be solved by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

In view of this, the present invention provides a deep water sealing connector with good sealing performance.

In order to achieve the purpose, the utility model provides the following technical scheme:

a deepwater sealing connector comprises a plug and a socket which are sequentially arranged along a preset direction and are detachably connected;

the socket comprises a socket main body and a socket waterproof plug arranged in the socket main body, and a plug bush is hermetically inserted in the socket main body;

the plug comprises a plug main body, a plug waterproof plug, a locking nut and a tightening nut, and a contact pin is hermetically inserted in the plug waterproof plug;

the plug is detachably connected to the socket through the locking nut, the locking connecting part of the locking nut is rotatably sleeved on the outer side of the plug main body, the locking thread part of the locking nut is sleeved on and in threaded connection with the outer side of the socket main body, and the locking connecting part presses the plug main body against the socket waterproof plug along the preset direction;

the packing nut is sleeved and in threaded connection with the outer side of the plug main body, and extrudes the plug waterproof plug in a direction perpendicular to the preset direction;

the contact pin can be detachably inserted into the plug bush along the preset direction so as to transmit electricity or signals.

Preferably, the socket main body comprises a socket head and a socket thread portion in sequence in the direction of the plug, the socket head protrudes out of the socket thread portion in the direction perpendicular to the direction of the preset direction, the socket further comprises a positioning nut which is sleeved and in threaded connection with the outer side of the socket thread portion, and an installation gap is formed between the positioning nut and the socket head in the preset direction.

Preferably, the lock nut and the positioning nut are sequentially arranged along the preset direction, and the lock thread part is sleeved and in threaded connection with the outer side of the socket thread part.

Preferably, a mounting groove is formed in the side surface of the socket head facing the positioning nut, and a sealing ring is arranged in the mounting groove.

Preferably, the locking nut and the tightening nut are sequentially arranged and fit in the preset direction.

Preferably, in the direction of presetting the direction and being close to the plug, the tip of socket waterproof plug stretch out in socket main part sets up socket stepped structure, socket stepped structure follows the direction of presetting with socket main part is laminated mutually.

Preferably, the socket waterproof plug is in interference fit with the socket main body, and the plug bush is in interference fit with the socket waterproof plug.

Preferably, in the preset direction and the direction far away from the socket, the end of the plug waterproof plug extends out of the plug main body and is provided with a plug step structure, and the plug step structure is attached to the plug main body along the preset direction.

Preferably, the plug waterproof plug is in interference fit with the plug main body, and the contact pin is in interference fit with the plug waterproof plug.

Preferably, the outer surface of the plug bush is provided with a plug bush groove, and the plug bush groove is in clamping fit with a socket boss of the socket waterproof plug; the outer surface of the contact pin is provided with a contact pin groove, and the contact pin groove is matched with a plug boss of the plug waterproof plug in a clamping mode.

The deep water sealing connector provided by the utility model comprises a plug and a socket which are sequentially arranged along a preset direction and detachably connected. The socket comprises a socket main body and a socket waterproof plug arranged in the socket main body, and a plug bush is inserted in the socket main body in a sealing mode. The plug comprises a plug main body, a plug waterproof plug, a locking nut and a tightening nut, and a contact pin is inserted in the plug waterproof plug in a sealing mode. The plug can be detachably connected to the socket through the locking nut, the locking connecting portion of the locking nut is rotatably sleeved on the outer side of the plug main body, the locking thread portion of the locking nut is sleeved on the outer side of the socket main body and is in threaded connection with the outer side of the socket main body, and the locking connecting portion compresses the plug main body in the socket waterproof plug along the preset direction. The packing nut is sleeved and in threaded connection with the outer side of the plug main body, and the packing nut extrudes the plug waterproof plug in the direction perpendicular to the preset direction. The contact pin can be detachably inserted into the plug bush along the preset direction so as to transmit electricity or signals.

When the underwater plug is used, the socket is connected to the box body shell of the underwater equipment, and the plug is connected to the external equipment. The plug links together with the socket through lock nut on it, after connecting, lock connecting portion compress tightly the plug main part in socket waterproof plug along predetermineeing the direction, realize that the terminal surface pre-compaction of plug and socket butt joint department in predetermineeing the direction is sealed, and compel tight nut and extrude the waterproof plug in the direction of the direction is predetermine to the perpendicular to, make the waterproof plug hole shrink warp and hold electric wire and contact pin in it tightly, realize very high waterproof sealing performance, it is sealed effectual after plug and socket connection, specifically can satisfy the deep sea the inside under the 100m depth of water and realize the sealing connection needs of equipment under water and external equipment.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

FIG. 1 is a cross-sectional view of a plug of a first embodiment of a deep water sealed connector provided in the present invention;

FIG. 2 is a cross-sectional view of a socket of a first embodiment of a deep water sealed connector provided in the present invention;

FIG. 3 is a cross-sectional view of a first embodiment of a deep water sealed connector provided in accordance with the present invention;

FIG. 4 is a side view of a socket body of a first embodiment of a deep water sealed connector provided in the present invention;

FIG. 5 is a cross-sectional view of a socket body of a first embodiment of a deep water sealed connector provided in the present invention;

FIG. 6 is a side view of a waterproof plug of a socket according to a first embodiment of the deep water sealed connector of the present invention;

fig. 7 is a cross-sectional view of a waterproof plug of a socket according to a first embodiment of the deep water sealed connector of the present invention;

FIG. 8 is a cross-sectional view of a first embodiment of a deep water sealed connector according to the present invention;

FIG. 9 is a side view of a positioning nut of a first embodiment of a deep water sealed connector provided in the present invention;

FIG. 10 is a cross-sectional view of a retention nut of a first embodiment of a deep water sealed connector provided in accordance with the present invention;

FIG. 11 is a side view of a packing nut of a first embodiment of a deep water sealed connector of the present invention;

FIG. 12 is a cross-sectional view of a packing nut of a first embodiment of a deep water sealed connector of the present invention;

fig. 13 is a side view of a plug waterproof plug of a first embodiment of the deep water sealed connector provided in the present invention;

fig. 14 is a cross-sectional view of a plug waterproof plug of a first embodiment of the deep water sealed connector provided by the present invention;

FIG. 15 is a side view of a plug body of a first embodiment of a deep water sealed connector provided in accordance with the present invention;

FIG. 16 is a cross-sectional view of a plug body of a first embodiment of a deep water sealed connector provided in accordance with the present invention;

FIG. 17 is a side view of a lock nut of a first embodiment of the deep water sealed connector of the present invention;

FIG. 18 is a cross-sectional view of a lock nut of a first embodiment of the deep water sealed connector of the present invention;

fig. 19 is a cross-sectional view of a pin of a deep water sealed connector embodiment of the present invention.

Reference numerals are as follows:

the socket comprises a socket 1, a socket body 11, a socket head 111, a socket threaded portion 112, a mounting groove 113, a socket waterproof plug 12, a socket boss 121, a socket step structure 122, a plug bush 13, a plug bush groove 131, a positioning nut 14, a mounting gap 15 and a sealing ring 16;

the plug comprises a plug 2, a plug main body 21, a plug stepped surface 211, a plug waterproof plug 22, a plug boss 221, a plug stepped structure 222, a plug pin 23, a plug pin groove 231, a lock nut 24, a lock connecting part 241, a lock thread part 242, a packing nut 25, a packing thread part 251 and a packing extrusion part 252;

a case body housing 3;

the preset direction X.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The core of the utility model is to provide the deepwater sealing connector which has better sealing performance.

Referring to fig. 1 to 19, a first embodiment of a deep water sealed connector according to the present invention includes a plug 2 and a socket 1, which are sequentially arranged along a predetermined direction X and detachably connected to each other.

The socket 1 comprises a socket body 11 and a socket waterproof plug 12 arranged in the socket body 11, wherein a plug sleeve 13 is hermetically inserted in the socket body 11. Specifically, the socket main body 11 is an annular structure which is arranged along a preset direction X in a penetrating manner, the socket waterproof plug 12 is inserted into the socket main body 11 in a sealing manner, and a mounting hole is arranged on the socket waterproof plug 12 along the preset direction X in a penetrating manner so as to be connected with the plug bush 13 in a sealing manner.

The plug 2 comprises a plug main body 21, a plug waterproof plug 22, a lock nut 24 and a packing nut 25, wherein the plug waterproof plug 22 is inserted with a plug pin 23 in a sealing way. Specifically, the plug main body 21 is an annular structure which is arranged to penetrate along the preset direction X, the plug waterproof plug 22 is inserted into the plug main body 21 in a sealing manner, and a mounting hole is arranged on the plug waterproof plug 22 to penetrate along the preset direction X to connect the contact pin 23 in a sealing manner.

The socket waterproof plug 12 and the plug waterproof plug 22 are high-elasticity bodies and are made of high-elasticity rubber materials.

The pin 23 is used for plugging in a jack on the plug sleeve 13. The number of the inserting sleeves 13 can be 1 or at least two, and the number and the positions of the pins 23 are configured to be equivalent to those of the inserting sleeves 13. The jack is correspondingly inserted and connected with the contact pin 23 and is tightly matched with the contact pin 23, the outer surface of the contact pin 23 is fully contacted with the inner surface of the jack of the plug bush 13, the conduction effect is achieved, and the transmission of electricity or signals is realized.

The plug 2 further comprises a lock nut 24 and a packing nut 25. The plug 2 is detachably connected to the socket 1 through the lock nut 24, the lock connection portion 241 of the lock nut 24 is rotatably sleeved on the outer side of the plug main body 21, the lock thread portion 242 of the lock nut 24 is sleeved on and threadedly connected to the outer side of the socket main body 11, and the lock connection portion 241 compresses the plug main body 21 against the socket waterproof plug 12 along the preset direction X. In addition, in addition to the rotation, the lock nut 24 may be provided to be movable in the preset direction X with respect to the plug main body 21.

Specifically, as shown in fig. 3, 17 and 18, the lock nut 24 has a cylindrical structure, the lock connecting portion 241 and the lock screw portion 242 have annular structures which are butted in the preset direction X, the female screw of the lock screw portion 242 is screwed with the receptacle screw portion 112, and the lock connecting portion 241 presses the plug step surface 211 on the outer surface of the plug main body 21 in the preset direction X.

During the connection of the header 2 and the socket 1, the plug 2 approaches the socket 1 along the predetermined direction X, and the lock nut 24 is rotated to connect the lock nut 24 to the socket 1.

After the plug 2 is connected with the socket 1, the packing nut 25 is sleeved and screwed outside the plug main body 21, and the packing nut 25 extrudes the plug waterproof plug 22 in the direction perpendicular to the preset direction X. The contact pin 23 is detachably inserted into the socket 13 along a predetermined direction X to transmit electricity or signals. After the header 2 and the socket 1 are separated, the pin 23 can be separated from the socket 13.

In application, the socket 1 is connected to a box body shell 3 of underwater equipment, and the plug 2 is connected to external equipment. Plug 2 links together with socket 1 through its lock nut 24, after the connection, lock connecting portion 241 compresses tightly plug main part 21 in socket waterproof plug 12 along predetermineeing direction X, realize that the terminal surface pre-compaction of the butt joint department of plug 2 and socket 1 on predetermineeing direction X is sealed, and compel tight nut 25 extrusion plug waterproof plug 22 in the direction of the direction X is predetermine to the perpendicular to, make plug waterproof plug 22 hole shrink warp and hold tightly electric wire and contact pin 23 in it, realize very high waterproof sealing performance, it is sealed effectual after plug 2 and socket 1 are connected, can satisfy specifically that the sealed connection needs of equipment and external device under the water are realized to the deep sea the inside under the 100m depth of water.

Further, as shown in fig. 2, 7 and 10, the socket main body 11 includes a socket head portion 111 and a socket screw portion 112 in this order in the preset direction X and in a direction close to the plug 2. The socket head 111 protrudes beyond the socket screw portion 112 in a direction perpendicular to the preset direction X. The socket 1 further comprises a positioning nut 14 sleeved and screwed on the outer side of the socket threaded portion 112, and a mounting gap 15 is formed between the positioning nut 14 and the socket head portion 111 in the preset direction X.

When the socket is installed in the underwater equipment, as shown in fig. 2, the preset direction X is a left-right direction, the socket head 111 abuts against the left side of the box housing 3, and the positioning nut 14 is screwed outside the socket screw portion 112 and moves leftward, so that the positioning nut 14 and the socket head 111 respectively clamp the box housing 3 from the left and right sides, and the socket 1 can be adaptively installed in the box housing 3 according to the box housing 3. Of course, in other embodiments, the socket 1 may be directly screwed to the case body housing 3.

Further, as shown in fig. 3, the lock nut 24 and the positioning nut 14 are sequentially disposed along the predetermined direction X, and the lock thread portion 242 is sleeved on and screwed to the outer side of the socket thread portion 112. That is, different positions of the socket screw portion 112 are used for screwing the lock nut 24 and the positioning nut 14 at the same time, and it is not necessary to additionally provide a screw structure for connecting the lock nut 24, which is convenient for processing.

Further, as shown in fig. 2, a mounting groove 113 is formed on a side surface of the socket head 111 facing the positioning nut 14, and a sealing ring 16, specifically an O-ring, is disposed in the mounting groove 113. After installation, the sealing ring 16 is clamped between the box housing 3 and the socket head 111 to seal therebetween, thereby further improving the sealing capability of the deepwater sealing connector.

Further, the lock nut 24 and the packing nut 25 are sequentially arranged and fit in the preset direction X. Alternatively, as shown in fig. 1, the packing nut 25 is of an annular structure and includes an annular packing thread portion 251 and an annular packing pressing portion 252 which are butted along the preset direction X, the internal thread of the packing thread portion 251 is in fit connection with the external thread of the plug main body 21, and the packing pressing portion 252 presses the portion of the plug waterproof plug 22 extending out of the plug main body 21 along the direction perpendicular to the preset direction X.

As shown in fig. 3, the preset direction X is the left-right direction, at this time, the lock nut 24 has completed assembly, and the packing nut 25 can also continue to move leftward until the left end face of the packing nut 25 is attached to the right end face of the lock nut 24, so that the positioning effect of the lock nut 24 in the acting direction can be improved.

Further, as shown in fig. 2, in the preset direction X and the direction close to the plug 2, the end portion of the socket waterproof plug 12 extends out of the socket main body 11 and is provided with a socket step structure 122, and the socket step structure 122 is attached to the socket main body 11 along the preset direction X, so that the position where the socket waterproof plug 12 is mounted on the socket main body 11 in the preset direction X can be positioned, and the sealing performance between the socket waterproof plug 12 and the socket main body 11 is improved.

Further, the socket waterproof plug 12 is in interference fit with the socket main body 11, and the plug bush 13 is in interference fit with the socket waterproof plug 12, so that the sealing performance between the socket waterproof plug 12 and the socket main body 11 and between the plug bush 13 and the socket waterproof plug 12 can be improved.

Further, as shown in fig. 1, in the direction away from the socket 1 in the preset direction X, the end portion of the plug waterproof plug 22 extends out of the plug main body 21 and is provided with a plug step structure 222, and the plug step structure 222 is attached to the plug main body 21 along the preset direction X, so that the position where the plug waterproof plug 22 is mounted on the plug main body 21 in the preset direction X can be positioned, and the sealing performance between the plug waterproof plug 22 and the plug main body 21 is improved.

Further, the plug waterproof plug 22 is in interference fit with the plug main body 21, and the contact pin 23 is in interference fit with the plug waterproof plug 22, so that the sealing performance between the plug waterproof plug 22 and the plug main body 21 and between the contact pin 23 and the plug waterproof plug 22 can be improved.

Further, as shown in fig. 2, a plug bush groove 131 is formed in the outer surface of the plug bush 13, the plug bush groove 131 is in clamping fit with the socket boss 121 of the socket waterproof plug 12, and the plug bush 13 and the socket waterproof plug 12 are matched and locked through a concave-convex structure, so that connection is reliable. As shown in fig. 1, a pin groove 231 is formed in the outer surface of the pin 23, the pin groove 231 is in snap fit with the plug boss 221 of the plug waterproof plug 22, and the pin 23 and the plug waterproof plug 22 are locked in a matching manner through a concave-convex structure, so that the connection is reliable.

The deepwater sealing connector in the embodiment has a multiple waterproof structure, can perform multiple protection, can realize the application of an underwater robot in the deep sea of 100m, realizes the effective connection of underwater working equipment and an external power supply and signals, and can bear the deepwater water pressure at the connection part for long-term sealing work; meanwhile, the connector is simple in structure, small in size, convenient to install, low in cost, does not occupy space, and is connected through the contact pins 23 and the plug bushes 13 to achieve rapid dismounting.

It will be understood that when an element is referred to as being "secured" to another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

The terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the utility model and for simplicity in description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be construed as limiting the utility model. Furthermore, the terms "first", "second", "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

The deep water sealing connector provided by the utility model is described in detail above. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, it is possible to make various improvements and modifications to the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.

Claims (10)

1. A deepwater sealing connector is characterized by comprising a plug (2) and a socket (1) which are sequentially arranged along a preset direction (X) and are detachably connected;

the socket (1) comprises a socket main body (11) and a socket waterproof plug (12) arranged in the socket main body (11), and a plug bush (13) is inserted in the socket main body (11) in a sealing manner;

the plug (2) comprises a plug main body (21), a plug waterproof plug (22), a lock nut (24) and a packing nut (25), and a contact pin (23) is inserted in the plug waterproof plug (22) in a sealing mode;

the plug (2) is detachably connected to the socket (1) through the lock nut (24), a lock connecting part (241) of the lock nut (24) is rotatably sleeved on the outer side of the plug main body (21), a lock thread part (242) of the lock nut (24) is sleeved on and in threaded connection with the outer side of the socket main body (11), and the lock connecting part (241) compresses the plug main body (21) to the socket waterproof plug (12) along the preset direction (X);

the packing nut (25) is sleeved and in threaded connection with the outer side of the plug main body (21), and the packing nut (25) extrudes the plug waterproof plug (22) in a direction perpendicular to the preset direction (X);

the contact pin (23) is detachably inserted into the insertion sleeve (13) along the preset direction (X) so as to transmit electricity or signals.

2. The deep water sealed connector according to claim 1, wherein the socket body (11) includes a socket head portion (111) and a socket screw portion (112) in sequence in the preset direction (X) and in a direction close to the plug (2), the socket head portion (111) protrudes out of the socket screw portion (112) in a direction perpendicular to the preset direction (X), the socket (1) further includes a positioning nut (14) sleeved and screwed outside the socket screw portion (112), and a mounting gap (15) is formed between the positioning nut (14) and the socket head portion (111) in the preset direction (X).

3. The deep water sealed connector according to claim 2, wherein the lock nut (24) and the positioning nut (14) are arranged in sequence along the predetermined direction (X), and the lock thread portion (242) is sleeved and screwed outside the socket thread portion (112).

4. Deep water sealed connector according to claim 2, characterised in that the socket head (111) is provided with a mounting groove (113) on the side facing the positioning nut (14), the mounting groove (113) being provided with a sealing ring (16).

5. The deepwater sealed connector as recited in claim 1, characterized in that the lock nut (24) and the packing nut (25) are arranged in sequence along the preset direction (X) and are in close fit.

6. Deep water sealing connector according to any of claims 1 to 5, characterized in that in the preset direction (X) and in the direction close to the plug (2), the end of the socket waterproof plug (12) protrudes out of the socket body (11) and is provided with a socket step structure (122), and the socket step structure (122) is attached to the socket body (11) along the preset direction (X).

7. Deep water sealing connector according to any of the claims 1 to 5, characterised in that the socket watertight plug (12) is in interference fit with the socket body (11) and the sleeve (13) is in interference fit with the socket watertight plug (12).

8. The deep water sealing connector according to any one of claims 1 to 5, characterized in that in the preset direction (X) and in a direction away from the socket (1), an end of the plug watertight plug (22) protrudes from the plug main body (21) and is provided with a plug step structure (222), and the plug step structure (222) is attached to the plug main body (21) along the preset direction (X).

9. Deep water sealing connector according to any of claims 1 to 5, characterized in that the plug watertight plug (22) is interference fitted with the plug body (21) and the pin (23) is interference fitted with the plug watertight plug (22).

10. Deep water sealing connector according to any of claims 1 to 5, characterized in that the outer surface of the insert sleeve (13) is provided with an insert sleeve groove (131), and the insert sleeve groove (131) is in snap fit with the socket boss (121) of the socket waterproof plug (12); the outer surface of the contact pin (23) is provided with a contact pin groove (231), and the contact pin groove (231) is in clamping fit with a plug boss (221) of the plug waterproof plug (22).

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