阅读说明：本技术 一种湿插拔水密连接器 (Wet inserting and pulling watertight connector ) 是由 张忠能 于 2020-07-06 设计创作，主要内容包括：本发明公开了一种湿插拔水密连接器,包括底座和电缆头和可与底座防水密封接合的电缆头；底座上设有通断滑动孔,通断滑动孔内防水密封安装有滑动锁合座,滑动锁合座内安装有导电针A；底座上固定连接有锁合连接件,锁合连接件螺纹连接有通断锁合件；通断滑动孔还安装有绝缘座,绝缘座内安装有导电针B,电缆头上安装有导电针C；滑动锁合座位于第一位置,导电针A与导电针B不导通,以此保证导电针B不带电；滑动锁合座将由第一位置移动到第二位置,从而导电针A与导电针B导通,使得导电针A与导电针C导通；由此在不使用各种检测探头、检测电路的条件下实现了水下的湿插拔,并且结构简单,制造工艺简单,成本低廉。(The invention discloses a wet-plugging and unplugging watertight connector which comprises a base, a cable head and a cable head, wherein the cable head can be in waterproof sealing joint with the base; the base is provided with an on-off sliding hole, a sliding locking seat is arranged in the on-off sliding hole in a waterproof sealing manner, and a conductive needle A is arranged in the sliding locking seat; the base is fixedly connected with a locking connecting piece, and the locking connecting piece is in threaded connection with an on-off locking piece; the on-off sliding hole is also provided with an insulating seat, a conductive needle B is arranged in the insulating seat, and a conductive needle C is arranged on the cable head; the sliding locking seat is located at the first position, and the conductive pin A is not conducted with the conductive pin B, so that the conductive pin B is ensured to be uncharged; the sliding locking seat moves from the first position to the second position, so that the conductive needle A is conducted with the conductive needle B, and the conductive needle A is conducted with the conductive needle C; therefore, underwater wet plugging is realized without using various detection probes and detection circuits, and the device is simple in structure, simple in manufacturing process and low in cost.)

1. A wet-plugging and unplugging watertight connector comprises a base and a cable head, wherein the cable head is arranged on a first side of the base and can be in waterproof sealing joint with the base; when the base with during the cable head joint, the base with switch on its characterized in that between the cable head:

the first side, close to the cable head, of the base is provided with an inward-concave on-off sliding hole, a sliding locking seat is arranged in the on-off sliding hole in a waterproof and sealing mode, and a conductive needle A is arranged in the sliding locking seat; the base is also provided with a locking groove communicated with the on-off sliding hole, the base is fixedly connected with a locking connecting piece, and the locking connecting piece penetrates through the locking groove and is in threaded connection with an on-off locking piece;

an insulation seat is fixedly arranged at the top of the on-off sliding hole, which is close to the cable head, a conductive needle B is arranged in the insulation seat, and a conductive needle C is arranged at one side of the cable head, which faces the base;

the sliding locking seat comprises a first position and a second position; before the base is jointed with the cable head, the sliding locking seat is positioned at a first position, and the conductive pin A is not conducted with the conductive pin B; when the base is jointed with the cable head, the conductive needle B is conducted with the conductive needle C, the on-off locking piece is rotated at the moment, the sliding locking seat moves to the second position from the first position, and therefore the conductive needle A is conducted with the conductive needle B.

2. The wet-plugging and unplugging watertight connector according to claim 1, wherein a sealing hole is formed in one side, close to the base, of the cable head, and the conductive pin C is located at the bottom of the sealing hole; a sealing insulating layer is arranged on one end face, facing the cable head, of the insulating seat, and the sealing insulating layer wraps the outer circular face of the conductive pin B; the diameter of the sealing insulating layer is larger than that of the sealing hole; when the base with when the cable head joint, sealing insulation layer gets into in the sealed hole, forms the cable head with the waterproof sealing joint of base.

3. The wet-plugging and water-unplugging watertight connector according to claim 2, wherein a conductive pin B mounting hole is further formed in the insulating base and penetrates through the sealing insulating layer; the conductive pin B is arranged in the conductive pin B mounting hole, and one end of the conductive pin B close to the conductive pin C extends out of the conductive pin B mounting hole and can be inserted into the conductive pin C.

4. The wet-plugging and unplugging watertight connector as recited in claim 1, wherein a sealing protrusion is arranged on one side of the insulating seat surface facing the sliding locking seat, and a static sealing groove matched with the sealing protrusion is arranged on the base to realize waterproof sealing.

5. The wet-plugging and water-unplugging watertight connector according to claim 1, wherein a first end of the sliding locking seat, which is far away from the insulating seat, is provided with a sliding sealing groove A, and a first sealing ring is arranged in the sliding sealing groove A; and a sliding sealing groove B is formed in the second end, close to the insulating seat, of the sliding locking seat, and a second sealing ring is arranged in the sliding sealing groove B.

6. The wet-pluggable water-tight connector as recited in claim 5, wherein the sliding locking seat is provided with a locking member mounting groove, one end of the locking connecting member is fixed in the locking member mounting groove, and the other end of the locking connecting member passes through the locking groove to be in threaded connection with the on-off locking member.

7. The watertight connector for wet insertion and unplugging according to claim 1, further comprising a wire a electrically connected with the conductive pin a, and a wire B electrically connected with the conductive pin C; an encapsulation through hole penetrating through the on-off sliding hole is formed in the end face, far away from the cable head, of the base, encapsulation glue is filled in the encapsulation through hole, and the lead A penetrates through the encapsulation through hole and enters the on-off sliding hole to be electrically connected with the conductive pin A; when the base is jointed with the cable head, the lead A is conducted with the lead B, so that the base is conducted with the cable head.

8. The watertight connector for wet plugging and unplugging according to claim 1, wherein a fixing pressing ring for fixing the insulating base is fixedly installed on one side of the base facing the cable head at an orifice of the on-off sliding hole.

9. The watertight connector for wet plugging and unplugging according to claim 1, wherein a locking cap is sleeved on the outer circular surface of the cable head, the locking cap can be in threaded connection with the base, and when the locking cap is screwed to the base, the base is engaged with the cable head.

10. The wet-pluggable water-tight connector according to claim 1, wherein a base sealing groove is formed in one side of the base, which is far away from the cable head, and a third sealing ring is arranged in the base sealing groove.

Technical Field

The invention relates to the technical field of underwater equipment, in particular to a wet-plugging and unplugging watertight connector.

Background

In the transmission of power supply, signal and network of water surface and underwater equipment and in the construction of underwater engineering, the watertight connector plays a vital role as an indispensable electric connecting device, and the quality of the watertight connector determines the stability of photoelectric transmission and the installation and maintenance of underwater equipment engineering to a great extent.

The existing wet-plugging and unplugging watertight connector in the market only supports plugging when certain residual water stains are left after leaving water, and does not support direct plugging under the condition of electrification. At present, the wet plugging in and out in the real sense is expensive in manufacturing cost and consumes unnecessary electric quantity due to the fact that various detection probes and detection circuits are arranged, and energy waste is caused. Therefore, a new wet-plugging and unplugging watertight connector is needed.

Disclosure of Invention

The invention aims to provide a wet-plugging and unplugging watertight connector to solve the problems.

In order to achieve the purpose, the invention adopts the following technical scheme:

a wet-plugging and unplugging watertight connector comprises a base and a cable head, wherein the cable head is arranged on a first side of the base and can be in waterproof sealing joint with the base; when the base is jointed with the cable head, the base is conducted with the cable head;

the first side, close to the cable head, of the base is provided with an inward-concave on-off sliding hole, a sliding locking seat is arranged in the on-off sliding hole in a waterproof and sealing mode, and a conductive needle A is arranged in the sliding locking seat; the base is also provided with a locking groove communicated with the on-off sliding hole, the base is fixedly connected with a locking connecting piece, and the locking connecting piece penetrates through the locking groove and is in threaded connection with an on-off locking piece;

an insulation seat is fixedly arranged at the top of the on-off sliding hole, which is close to the cable head, a conductive needle B is arranged in the insulation seat, and a conductive needle C is arranged at one side of the cable head, which faces the base;

the sliding locking seat comprises a first position and a second position; before the base is jointed with the cable head, the sliding locking seat is positioned at a first position, and the conductive pin A is not conducted with the conductive pin B; when the base is jointed with the cable head, the conductive needle B is conducted with the conductive needle C, the on-off locking piece is rotated at the moment, the sliding locking seat moves to the second position from the first position, and therefore the conductive needle A is conducted with the conductive needle B.

Optionally, a sealing hole is formed in one side, close to the base, of the cable head, and the conductive pin C is located at the bottom of the sealing hole; a sealing insulating layer is arranged on one end face, facing the cable head, of the insulating seat, and the sealing insulating layer wraps the outer circular face of the conductive pin B; the diameter of the sealing insulating layer is larger than that of the sealing hole; when the base with when the cable head joint, sealing insulation layer gets into in the sealed hole, forms the cable head with the waterproof sealing joint of base.

Optionally, the insulating base is further provided with a conductive pin B mounting hole, and the conductive pin B mounting hole penetrates through the sealing insulating layer; the conductive pin B is arranged in the conductive pin B mounting hole, and one end of the conductive pin B close to the conductive pin C extends out of the conductive pin B mounting hole and can be inserted into the conductive pin C.

Optionally, a sealing protrusion is arranged on one side, facing the sliding locking seat, of the insulating seat surface, and a static sealing groove matched with the sealing protrusion is arranged on the base, so that waterproof sealing is achieved.

Optionally, a sliding seal groove a is formed in a first end, away from the insulating seat, of the sliding locking seat, and a first seal ring is arranged in the sliding seal groove a; and a sliding sealing groove B is formed in the second end, close to the insulating seat, of the sliding locking seat, and a second sealing ring is arranged in the sliding sealing groove B.

Optionally, the sliding locking seat is provided with a locking member mounting groove, one end of the locking connecting member is fixed in the locking member mounting groove, and the other end of the locking connecting member penetrates through the locking groove to be in threaded connection with the on-off locking member.

Optionally, the device further comprises a wire a electrically connected with the conductive pin a, and a wire B electrically connected with the conductive pin C; an encapsulation through hole penetrating through the on-off sliding hole is formed in the end face, far away from the cable head, of the base, encapsulation glue is filled in the encapsulation through hole, and the lead A penetrates through the encapsulation through hole and enters the on-off sliding hole to be electrically connected with the conductive pin A; when the base is jointed with the cable head, the lead A is conducted with the lead B, so that the base is conducted with the cable head.

Optionally, a fixed pressing ring for fixing the insulating base is fixedly installed on one side of the base facing the cable head in the hole opening of the on-off sliding hole.

Optionally, the outer disc of cable head is gone up the cover and is equipped with the locking cap, the locking cap can with base threaded connection, works as the locking cap to when the base screw thread was screwed, the base with the joint of cable head.

Optionally, one side of the base, which is far away from the cable head, is provided with a base sealing groove, and a third sealing ring is arranged in the base sealing groove.

Compared with the prior art, the embodiment of the invention has the following beneficial effects:

according to the invention, before the base is jointed with the cable head, the sliding locking seat is positioned at the first position, and the conductive pin A is not conducted with the conductive pin B, so that the conductive pin B is not electrified, and at the moment, even if the conductive pin B19 is exposed in water, no influence is caused; when the base is jointed with the cable head, the conductive needle B is conducted with the conductive needle C, the locking piece is turned on and off, the sliding locking seat moves from the first position to the second position, so that the conductive needle A is conducted with the conductive needle B, the conductive needle A is conducted with the conductive needle C, and finally the conduction between the base and the cable head is completed; therefore, underwater wet plugging is realized without using various detection probes and detection circuits, and the device is simple in structure, simple in manufacturing process and low in cost.

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, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

FIG. 1 is an exploded view of a wet-pluggable watertight connector according to an embodiment of the present invention;

FIG. 2 is an assembly view of a wet-pluggable watertight connector according to an embodiment of the present invention;

FIG. 3 is a cross-sectional view of a wet-pluggable watertight connector according to an embodiment of the present invention;

FIG. 4 is a schematic cross-sectional view of a wet-pluggable watertight connector according to an embodiment of the present invention;

FIG. 5 is a structural diagram of a base of a wet-pluggable watertight connector according to an embodiment of the present invention;

FIG. 6 is a further structural diagram of a base of a wet-pluggable watertight connector according to an embodiment of the present invention;

FIG. 7 is a schematic diagram of a sliding locking seat of a wet-pluggable watertight connector according to an embodiment of the present invention;

FIG. 8 is a schematic diagram of an insulating base of a wet-pluggable watertight connector according to an embodiment of the present invention;

fig. 9 is a structural diagram of a cable head of a wet-pluggable watertight connector according to an embodiment of the present invention.

In the figure:

10. a base; 101. locking the through groove; 102. switching on and off the sliding hole; 103. a static seal groove; 104. filling and sealing the through hole; 105. a base sealing groove; 11. switching on and off the locking piece; 12. a first seal ring; 13. a sliding locking seat; 131. a sliding seal groove A; 132. a sliding seal groove B; 133. a locking piece mounting groove; 14. locking the connecting piece; 15. a second seal ring; 16. a conductive pin A; 17. an insulating base; 171. sealing the protrusion; 172. a conductive pin B mounting hole; 173. sealing the insulating layer; 18. fixing a pressing ring; 19. a conductive pin B; 20. a conductive pin C; 21. a cable head; 211. sealing the hole; 22. a locking cap; 23. a third seal ring; 24. a wire A; 25. and a wire B.

Detailed Description

In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the embodiments described below 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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

It should be noted that when one component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present.

The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.

Referring to fig. 1 to 9, a wet-pluggable watertight connector includes a base 10 and a cable head 21, wherein the cable head 21 is disposed on a first side of the base 10 and can be in waterproof sealing engagement with the base 10; when the base 10 and the cable head 21 are engaged, conduction is conducted between the base 10 and the cable head 21.

A first side, close to the cable head 21, of the base 10 is provided with an inward-recessed on-off sliding hole 102, a sliding locking seat 13 is installed in the on-off sliding hole 102 in a waterproof and sealing manner, and a conductive needle A16 is installed in the sliding locking seat 13; the base 10 is further provided with a locking through groove 101 communicated with the on-off sliding hole 102, the base 10 is fixedly connected with a locking connecting piece 14, and the locking connecting piece 14 penetrates through the locking through groove 101 to be connected with the on-off locking piece 11 in a threaded mode.

The on-off sliding hole 102 is fixedly provided with an insulating seat 17 near the top of the cable head 21, a conductive pin B19 is arranged in the insulating seat 17, and a conductive pin C20 is arranged on one side of the cable head 21 facing the base 10.

The sliding locking seat 13 comprises a first position and a second position; before the base 10 is engaged with the cable head 21, the sliding locking seat 13 is located at the first position, and the conductive pin a16 is not conducted with the conductive pin B19; when the base 10 is engaged with the cable head 21, the conductive pin B19 is conducted with the conductive pin C20, and at this time, the on-off locking element 11 is rotated, and the sliding locking seat 13 moves from the first position to the second position, so that the conductive pin a16 is conducted with the conductive pin B19, and the conductive pin a16 is conducted with the conductive pin C20, and finally the conduction between the base 10 and the cable head 21 is completed.

It should be noted that, in the waterproof sealing installation of the embodiment, when the sliding locking seat 13 is installed in the on-off sliding hole 102, external impurities and water cannot enter the joint between the conductive pin a16 and the conductive pin B19 from the outside of the base 10, so that short circuit between the conductive pins a16 is avoided, and the waterproof sealing effect is achieved.

Specifically, a sealing hole 211 is formed in one side of the cable head 21 close to the base 10, and the conductive pin C20 is located at the bottom of the sealing hole 211; a sealing insulating layer 173 is arranged on one end face, facing the cable head 21, of the insulating base 17, and the sealing insulating layer 173 wraps the outer circular face of the conductive pin B19; the diameter of the sealing insulating layer 173 is larger than that of the sealing hole 211; when the base 10 is engaged with the cable head 21, the sealing insulation layer 173 enters the sealing hole 211, and due to the effect of the interference fit, the sealing insulation layer 173 will be fully filled in the sealing hole 211, forming a waterproof sealing engagement of the cable head 21 and the base 10.

More specifically, the insulating base 17 is further provided with a conductive pin B mounting hole 172, and the conductive pin B mounting hole 172 penetrates through the sealing insulating layer 173; the conductive pin B19 is arranged in the conductive pin B mounting hole 172, and one end of the conductive pin B19 close to the conductive pin C20 extends out of the conductive pin B mounting hole 172 and can be inserted into the conductive pin C20.

Specifically, a sealing protrusion 171 is disposed on one side of the insulating seat 17 facing the sliding locking seat 13, and a static sealing groove 103 engaged with the sealing protrusion 171 is disposed on the base 10 to achieve waterproof sealing.

Specifically, a sliding sealing groove a131 is formed in a first end, away from the insulating seat 17, of the sliding locking seat 13, and a first sealing ring 12 is arranged in the sliding sealing groove a 131; a sliding sealing groove B132 is formed in the second end, close to the insulating seat 17, of the sliding locking seat 13, and a second sealing ring 15 is arranged in the sliding sealing groove B132; the first sealing ring 12 prevents water from entering the inside of the sealed cabin through the on-off sliding hole 102, and the second sealing ring 15 prevents water from entering the joint of the conductor pin A16 and the conductor pin B19 from the outside of the base 10.

More specifically, the sliding locking seat 13 is provided with a locking member mounting groove 133, and one end of the locking connecting member 14 is fixed in the locking member mounting groove 133, and the other end thereof passes through the locking through groove 101 to be screwed with the on-off locking member 11.

Specifically, the wet-pluggable watertight connector of the present embodiment further includes a conducting wire a24 electrically connected to the conducting pin a16, and a conducting wire B25 electrically connected to the conducting pin C20; an end face, far away from the cable head 21, of the base 10 is provided with a potting through hole 104 penetrating through the on-off sliding hole 102, potting glue is filled in the potting through hole 104, and a lead A24 penetrates through the potting through hole 104 to enter the on-off sliding hole 102 to be electrically connected with the conductive pin A16; when the base 10 and the cable head 21 are engaged, the conductor a24 is conducted with the conductor B25, so that the base 10 is conducted with the cable head 21.

Specifically, a fixed pressing ring 18 for fixing the insulating base 17 is fixedly installed at the opening of the on-off sliding hole 102 on the side of the base 10 facing the cable head 21.

Specifically, the outer circumferential surface of the cable head 21 is sleeved with a locking cap 22, the locking cap 22 can be in threaded connection with the base 10, and when the locking cap 22 is screwed to the base 10, the base 10 is engaged with the cable head 21.

Specifically, the number of the conductive pins a16, the conductive pins B19 and the conductive pins C20 is several, and the conductive pins a, B and C correspond to each other one by one.

Specifically, one side of the base 10, which is far away from the cable head 21, is provided with a base sealing groove 105, and a third sealing ring 23 is arranged in the base sealing groove 105, so that the base 10 is sealed and waterproof after being installed.

In the wet-plug watertight connector of the embodiment, before the base 10 is engaged with the cable head 21, the sliding locking seat 13 is located at the first position, and the conductive pin a16 is not conducted with the conductive pin B19, so that the conductive pin B19 is not electrified, and at this time, even if the conductive pin B19 is exposed in water, no influence is caused; when the base 10 is jointed with the cable head 21, the conductive pin B19 is conducted with the conductive pin C20, the on-off locking piece 11 is rotated at this time, the sliding locking seat 13 moves from the first position to the second position, so that the conductive pin a16 is conducted with the conductive pin B19, the conductive pin a16 is conducted with the conductive pin C20, and finally the conduction between the base 10 and the cable head 21 is completed; therefore, underwater wet plugging is realized without using various detection probes and detection circuits, and the device is simple in structure, simple in manufacturing process and low in cost.

The above-mentioned embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.