Wet inserting and pulling watertight connector
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;底座上设有滑动安装孔,滑动安装孔内设有还包括内绝缘座和外绝缘座,外绝缘座与内绝缘座之间设有弹性件;外绝缘座上安装有公针,电缆头设有与公针对应的第二母针;弹性件处于第一状态时,底座与所述电缆头之间不导通,弹性件处于第二状态时,底座与所述电缆头之间导通;既保证了电缆头和底座的电路导通,又保证了电路接合处的密封防水性;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 a sliding installation hole, the sliding installation hole is internally provided with an inner insulation seat and an outer insulation seat, and an elastic part is arranged between the outer insulation seat and the inner insulation seat; a male pin is installed on the outer insulating seat, and a second female pin corresponding to the male pin is arranged on the cable head; when the elastic element is in a first state, the base is not communicated with the cable head, and when the elastic element is in a second state, the base is communicated with the cable head; the circuit conduction of the cable head and the base is ensured, and the sealing and waterproof performance of the circuit joint is also ensured; 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 sliding installation hole, the bottom of the sliding installation hole is fixedly provided with an inner insulation seat, and a first female pin with an orifice facing the first side of the base is fixedly arranged on the inner insulation seat; the top of the sliding mounting hole is also provided with an external insulating seat in a waterproof sealing manner;
a male needle is arranged on the outer insulating seat and comprises a first male head and a second male head; a second female pin corresponding to the male pin is arranged on one side, close to the base, of the cable head; an elastic piece is arranged between the outer insulating seat and the inner insulating seat, and the elastic piece comprises a first state and a second state;
when the base is not jointed with the cable head, the elastic piece is in a first state, and the first male head is not inserted into the first female needle at the moment; when the base is connected with the cable head, the second male head is inserted into the second female needle, and the second male head is communicated with the second female needle; the cable head pushes the outer insulating base to move towards the inner insulating base, so that the elastic piece is changed from a first state to a second state, at the moment, the first male head is inserted into the first female needle, the male needle is communicated with the first female needle, and therefore the base is communicated with the cable head.
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 second female pin 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 outer insulating base and wraps the outer circular face of the male pin; 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 watertight connector for wet plugging and unplugging according to claim 2, wherein a male pin mounting hole is further formed in the outer insulating base and penetrates through the sealing insulating layer; the public needle is located in the public needle mounting hole, the first public head of public needle stretches out public needle mounting hole can insert in the first female needle, the public head of second of public needle stretches out public needle mounting hole can insert in the second female needle.
4. The wet-insertion and water-drawing watertight connector as recited in claim 1, wherein a side of the outer insulating base facing the inner insulating base is provided with an inwardly recessed elastic piece embedding groove; one end of the elastic piece is embedded into the elastic piece embedding groove, and the other end of the elastic piece is connected with the inner insulating base.
5. The wet-plugging and unplugging watertight connector according to claim 1, wherein a lead A is arranged in the base and is electrically connected with the first female pin; a lead B is arranged in the cable head and is electrically connected with the second female pin; 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.
6. The wet-plugging and water-unplugging watertight connector according to claim 1, wherein a positioning pin mounting hole is formed in the inner insulating base, and a positioning pin is mounted in the positioning pin mounting hole; the outer insulating base is provided with a positioning pin sliding hole, one end of the positioning pin is embedded into the positioning pin mounting hole, and the other end of the positioning pin can slide in the positioning pin sliding hole.
7. The wet-plugged and unplugged watertight connector according to claim 1, wherein an inner sealing groove is formed in the outer circular surface of the outer insulating base, and an inner sealing ring is arranged in the sealing groove.
8. The wet-plugging and water-unplugging watertight connector according to claim 1, wherein an end face of the base, which is far away from the cable head, is provided with a potting through hole penetrating through the sliding mounting hole, and the potting through hole is filled with potting adhesive.
9. The wet-plugging and unplugging watertight connector according to claim 1, wherein a limiting pressing ring for limiting the outer insulating seat is fixedly arranged on one side of the base, facing the cable head, in the hole opening of the sliding mounting hole.
10. 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.
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 sliding installation hole, the bottom of the sliding installation hole is fixedly provided with an inner insulation seat, and a first female pin with an orifice facing the first side of the base is fixedly arranged on the inner insulation seat; the top of the sliding mounting hole is also provided with an external insulating seat in a waterproof sealing manner;
a male needle is arranged on the outer insulating seat and comprises a first male head and a second male head; a second female pin corresponding to the male pin is arranged on one side, close to the base, of the cable head; an elastic piece is arranged between the outer insulating seat and the inner insulating seat, and the elastic piece comprises a first state and a second state;
when the base is not jointed with the cable head, the elastic piece is in a first state, and the first male head is not inserted into the first female needle at the moment; when the base is connected with the cable head, the second male head is inserted into the second female needle, and the second male head is communicated with the second female needle; the cable head pushes the outer insulating base to move towards the inner insulating base, so that the elastic piece is changed from a first state to a second state, at the moment, the first male head is inserted into the first female needle, the male needle is communicated with the first female needle, and therefore the base is communicated with the cable head.
Optionally, a sealing hole is formed in one side, close to the base, of the cable head, and the second female pin 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 outer insulating base and wraps the outer circular face of the male pin; 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, a male pin mounting hole is further formed in the outer insulating base, and the male pin mounting hole penetrates through the sealing insulating layer; the public needle is located in the public needle mounting hole, the first public head of public needle stretches out public needle mounting hole can insert in the first female needle, the public head of second of public needle stretches out public needle mounting hole can insert in the second female needle.
Optionally, an inwards-recessed elastic piece embedding groove is formed in one side, facing the inner insulating seat, of the outer insulating seat; one end of the elastic piece is embedded into the elastic piece embedding groove, and the other end of the elastic piece is connected with the inner insulating base.
Optionally, a lead a is arranged in the base, and the lead a is electrically connected with the first female pin; a lead B is arranged in the cable head and is electrically connected with the second female pin; 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 positioning pin mounting hole is formed in the inner insulating base, and a positioning pin is mounted in the positioning pin mounting hole; the outer insulating base is provided with a positioning pin sliding hole, one end of the positioning pin is embedded into the positioning pin mounting hole, and the other end of the positioning pin can slide in the positioning pin sliding hole.
Optionally, an inner sealing groove is formed in the outer circular surface of the outer insulating base, and an inner sealing ring is arranged in the sealing groove.
Optionally, the end face, far away from the cable head, of the base is provided with a filling and sealing through hole penetrating through the sliding installation hole, and filling of the filling and sealing through hole is filled with filling and sealing glue.
Optionally, a limiting pressing ring for limiting the external insulation seat is fixedly mounted on one side of the base facing the cable head in the hole opening of the sliding mounting 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.
Compared with the prior art, the embodiment of the invention has the following beneficial effects:
when the base and the cable head are not jointed, the elastic piece is in a first state, and the first male head is not inserted into the first female pin, so that the disconnection of a circuit when the base and the cable head are not jointed is ensured; when the base is connected with the cable head, the second male head is inserted into the second female needle, and the second male head is communicated with the second female needle; the cable head pushes the outer insulation seat to move towards the inner insulation seat, so that the elastic piece is changed from a first state to a second state, the first male pin is inserted into the first female pin at the moment, the male pin is communicated with the first female pin, the base is communicated with the cable head, and the sliding seal installation of the outer insulation seat is realized due to the waterproof seal joint of the cable head and the base, so that the circuit conduction of the cable head and the base is ensured, and the sealing waterproofness of the joint of the circuit is also ensured; 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 diagram of a base of a wet-pluggable watertight connector according to an embodiment of the present invention;
FIG. 5 is a schematic diagram of a male pin of a wet-pluggable watertight connector according to an embodiment of the present invention;
FIG. 6 is a schematic diagram of a cable head of a wet-pluggable watertight connector according to an embodiment of the present invention;
FIG. 7 is a structural diagram of an outer insulating base of a wet-pluggable watertight connector according to an embodiment of the present invention;
FIG. 8 is another structural diagram of an outer insulating base of a wet-pluggable watertight connector according to an embodiment of the present invention;
fig. 9 is a structural diagram of an inner insulating base of the wet-pluggable watertight connector according to an embodiment of the present invention.
In the figure:
10. a base; 101. a sliding mounting hole; 102. filling and sealing the through hole; 103. sealing the groove externally; 11. a first female needle; 12. an inner insulating base; 121. a first female needle mounting hole; 122. a positioning pin mounting hole; 13. positioning pins; 14. an elastic member; 15. an inner seal ring; 16. an outer insulating mount; 161. a male pin mounting hole; 162. a positioning pin sliding hole; 163. sealing the insulating layer; 164. an inner sealing groove; 165. the elastic piece is embedded into the groove; 17. a male needle; 171. a first male portion; 172. a second male portion; 18. a limiting pressing ring; 19. a second female needle; 20. a cable head; 201. sealing the hole; 21. a locking cap; 22. an outer sealing ring; 23. a wire A; 24. 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 5, a wet-pluggable watertight connector includes a
A first side of the base 10 close to the
A
When the
Referring to fig. 6, specifically, a sealing
More specifically, the outer insulating base 16 is further provided with a male
Specifically, a lead A23 is arranged in the
Referring to fig. 7 and 8, in detail, an inner sealing groove 164 is disposed on the outer circumferential surface of the outer insulating base 16, and an inner sealing ring 15 is disposed in the sealing groove, so as to form a sliding sealing installation, thereby achieving a waterproof and sealing effect.
Specifically, one side of the outer insulating base 16 facing the inner insulating
Referring to fig. 9, specifically, the inner insulating
Specifically, the inner insulating
Specifically, one side of the base 10 away from the
Specifically, the number of the first
Specifically, the end face of the
Specifically, a limiting
Specifically, the outer circumferential surface of the
In the wet-plug and unplugging watertight connector of the embodiment, when the base 10 and the cable head 20 are not jointed, the elastic element 14 is in the first state, and at this time, the first male head 171 is not inserted into the first female pin 11, so that the circuit is disconnected during the jointing, and therefore, each male pin 17 is not electrified, and at this time, even if the second male head 172 is soaked in water, no influence is caused; when the base 10 is engaged with the cable head 20, the second male head 172 is inserted into the second female pin 19, and the second male head 172 is conducted with the second female pin 19; the cable head 20 pushes the outer insulation seat 16 to move towards the inner insulation seat 12, so that the elastic element 14 is changed from a first state to a second state, at the moment, the first male head 171 is inserted into the first female pin 11, the male pin 17 is communicated with the first female pin 11, so that the base 10 is communicated with the cable head 20, and due to the waterproof sealing joint of the cable head 20 and the base 10, the sliding sealing installation of the outer insulation seat 16 ensures the circuit conduction of the cable head 20 and the base 10 and the sealing waterproofness of the joint of the circuit; 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.
It should be noted that the present embodiment describes a female-male-female connection form, and based on the present embodiment, a person skilled in the art can easily conceive other connection forms of male-female connection, such as male-female-male, female-male-female-male, male-female-male-female, etc., so that it is within the scope of the present invention to simply replace the connection form of the present embodiment.
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.
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