CN206293701U - Small watertight connector - Google Patents
Small watertight connector Download PDFInfo
- Publication number
- CN206293701U CN206293701U CN201621463828.1U CN201621463828U CN206293701U CN 206293701 U CN206293701 U CN 206293701U CN 201621463828 U CN201621463828 U CN 201621463828U CN 206293701 U CN206293701 U CN 206293701U
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- vulcanization
- rubber
- seal
- housing
- rubber seal
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Abstract
The utility model belongs to underwater connector field, specifically a kind of small watertight connector for applying operation under water, the watertight connector is arranged on above underwater operation equipment, socket has housing and the jack in the first vulcanization of rubber seal, jack one end is connected with wire, the jack other end has independent inner chamber, and annular protrusion is included in inner chamber；There is contact pin on second vulcanization of rubber seal of plug, and one end that independent rubber-covered rod, contact pin is arranged at each contact pin bottom is connected with the wire in cable, the other end is plugged in jack, and rubber-covered rod is inserted and sealed against with annular protrusion in the lumen；In one end insertion housing of the first vulcanization of rubber seal and Nian Jie with housing seal, the other end is located at the outside of housing, and contact pin and rubber-covered rod are respectively positioned on the inside of internal thread locking nut.Socket of the present utility model can be plugged in a humidity environment with corresponding plug, can be used in shallow sea, deep-sea, and have reliable sealing property.
Description
Technical field
The utility model belongs to underwater connector field, and specifically a kind of small watertight for applying operation under water connects
Connect device.
Background technology
As the application of underwater robot (ROV), Underwater Vehicle (AUV) is more and more extensive, under water can with connector
By the requirement more and more higher spent.There is problems with existing watertight connector：Once enter at socket and plug combination sealing
Enter moisture or water inlet, the insulating properties of watertight connector can decline, influence insulation effect, even result in failure of insulation.In addition,
Connect insecure between socket and plug, plug is easily come off by socket during operation under water, causes underwater operation to stop, both shadow
Operating efficiency is rung, unnecessary economic loss has been caused again.
Utility model content
In order to solve to occur sometimes in the prior art water inlet, enter seal failure, electrical insulating property caused by moisture phenomenon
The problem that can decline, and socket, plug connect unstable problem, and the purpose of this utility model is to provide a kind of minute water
Close connector.Used as electric connector is used under minute water, disclosure satisfy that carries out wet inserting to the small watertight connector under harsh conditions
Pull out, and ensure sealing effectiveness and electrical insulation capability requirement, socket and plug is connected firmly.
The purpose of this utility model is achieved through the following technical solutions：
The utility model includes socket and plug, and one end of the socket is arranged in underwater operation equipment, the other end with
The spigot seal connection；
The socket includes housing, the first vulcanization of rubber seal, insulation positioning support block and engineering plastics seal, its
The two ends of middle housing are formed respectively with the external screw thread A being threadedly coupled with the plug and for outer in underwater operation equipment
Screw thread B, the external screw thread A are rectangular thread；First vulcanization of rubber seal one end insertion housing in and with the shell
Body sealing bonding, the other end is located at the outside of the housing, is provided with multiple vertically on first vulcanization of rubber seal
Chamber, is mounted on the jack of connecting wire in each described inner chamber, insulation positioning support block is provided with the housing, and the insulation is determined
The side of position support block is Nian Jie with one end of first vulcanization of rubber seal, and engineering plastics are cast with the housing of opposite side
Seal；Wire on each jack is passed through by insulation positioning support block and the engineering plastics seal successively；
The plug includes contact pin, the second vulcanization of rubber seal and internal thread locking nut, the internal thread locking nut
The outer periphery for covering in the second vulcanization of rubber seal, one end is connected with the second vulcanization of rubber seal, and the other end is formed with internal thread,
It is connected with the external screw thread A on the housing by the internal thread, the internal thread is rectangular thread；Second vulcanization of rubber is close
The one end for sealing body is connected with internal thread locking nut, is inserted with the other end and the lumen number identical contact pin, each contact pin
One end be embedded in the second vulcanization of rubber seal and with the wire phase being connected in the cable of the second vulcanization of rubber seal
Even, the other end of each contact pin exposes to second vulcanization of rubber and seals external and corresponding with the jack；The second rubber sulphur
Change seal and be extended axially by the rubber-covered rod being wrapped in outside contact pin, the rubber-covered rod is corresponding with the inner chamber, institute
State contact pin and rubber-covered rod is respectively positioned on the inside of internal thread locking nut；
Wherein：Multiple annular protrusions are evenly equipped with the inwall of each inner chamber vertically, each annular protrusion is for radially
It is inwardly projecting；The rubber-covered rod is located in inner chamber and is sealed against with each annular protrusion；It is provided with vertically in the housing logical
Hole A, the insulation positioning support block is located at one end of through hole A；The housing is provided with ring with the contact surface of underwater operation equipment
Connected in star, O-ring seal is equipped with the annular groove；
One end of first vulcanization of rubber seal is bonded as one with insulation positioning support block, and the other end sets vertically
There are multiple inner chambers, each inner chamber is blind hole structure；The outer surface of the jack is Nian Jie with the inwall of inner chamber, and jack is fixed near insulation
One end of position support block is provided with blind hole A, and the wire is welded with the inwall of blind hole A；The inner surface of the jack is gold-plated；
One end of second vulcanization of rubber seal is connected with cable, and the other end extends axially outwardly that to form rubber exhausted
Edge rod, the other end of the contact pin is passed by rubber-covered rod；
One end of the contact pin is Nian Jie with second vulcanization of rubber seal, and the end is provided with blind hole B, in the cable
Wire and blind hole B inwalls weld, in the other end insertion jack of the contact pin；
One end of the internal thread locking nut is connected by jump ring with the second vulcanization of rubber seal, first rubber
Vulcanization seal is sealed against with the second vulcanization of rubber seal after socket plug is connected, and positioned at the internal thread locking spiral shell
In cap.
Advantage of the present utility model is with good effect：
1. first vulcanization of rubber seal one end of the present utility model is closely bonded with housing and the other end is leant out by housing,
Contact pin and rubber-covered rod are then entirely located in internal thread locking nut, and after socket and plug connection, first and second vulcanization of rubber is close
The end face for sealing body is abutted against, and is wrapped in internal thread locking nut so that socket, plug connection more firmly, are connected
Performance is higher；And, the internal and external threads that housing is connected with internal thread locking nut are rectangular thread, and transmission efficiency is helped
In the transmission of axial force, housing is set to be connected more firm with internal thread locking nut.
2. small volume of the present utility model, can be applied to the limited underwater operation equipment in space (in underwater electronic compartment
Camera, sensor etc.).
3. strong applicability.The utility model is realized and plugged under humid zone water environment, can be expired under severe sea condition
Sufficient underwater sealing is acted on, and the same watertight connector assembled to using can not only be used for power connector and use, while can pass again
Pass electric signal.Naval's copper product and vulcanized rubber physical efficiency seawater corrosion resistance that Socket casing is used, can answer at shallow sea, deep-sea
With, it is adapted to transmit electric signal in the equipment (such as ROV/ROTV) of various underwater operations, underwater sealing reliability is high.
4. sealing structure is good.Each inner chamber of jack front end in the first vulcanization of rubber seal in the utility model socket
In annular small raised the second vulcanization of rubber seal with plug on contact pin rear end on each rubber-covered rod accomplish
The sealing effectiveness being independently combined, it is close so as to reach overall axial direction even if into moisture or water droplet, nor affecting on insulating properties
The effect of envelope.
5. the utility model can be met in 0~7000 meter of underwater operation, insulaion resistance ＞ 200M Ω~500M Ω, contact electricity
The resistance Ω of ＜ 0.01, plug number of times is ＞ 500 times.
Brief description of the drawings
Fig. 1 is the internal structure schematic diagram of the utility model socket；
Fig. 2 is the left view of Fig. 1；
Fig. 3 is the internal structure schematic diagram of the utility model plug；
Fig. 4 is the left view of Fig. 3；
Wherein：10 is inner chamber, and 11 is the first vulcanization of rubber seal, and 12 is annular protrusion, and 13 is jack, and 14 is external screw thread
A, 15 is insulation positioning support block, and 16 is O-ring seal, and 17 is housing, and 18 is engineering plastics seal, and 19 is wire, and 21 are
Contact pin, 22 is rubber-covered rod, and 23 is the second vulcanization of rubber seal, and 24 is internal thread locking nut, and 25 is cable, and 26 is card
Spring, 27 is external screw thread B, and 28 is annular groove, and 29 is blind hole A, and 30 is internal thread.
Specific embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings.
Small watertight connector diameter of the present utility model is pacified up to φ 16mm, including socket and plug, one end of socket
On the sealed compartment of underwater operation equipment, the other end of plug insertion socket plays the effect of axial seal, socket and plug
It is connected to prevent from releasing with the internal thread of plug internal thread locking nut by the external screw thread on housing.
As shown in Figure 1 and Figure 2, socket includes housing 17, the first vulcanization of rubber seal 11, jack 13, insulation positioning support
Block 15 and engineering plastics seal 18, the wherein material of housing 17 are naval's copper, and its tail end is provided with external screw thread B27 and makees under water
The internal thread of industry equipment sealed compartment is combined, and housing 17 is provided with annular groove with the contact surface of underwater operation equipment sealed compartment
28, the annular groove 28 is built-in with O-ring seal 16, and socket plays radial seal after being combined with underwater operation equipment sealed compartment
Effect.In one end insertion housing 17 of the first vulcanization of rubber seal 11 and Nian Jie with the sealing of housing 17, first vulcanization of rubber is close
The other end for sealing body 11 is located at the outside of housing 17；Through hole A is provided with housing 17 vertically, insulation positioning support block 15 is set in this
One end of through hole A, and insulate positioning support block 15 side be bonded as one with one end of the first vulcanization of rubber seal 11.
One end of first vulcanization of rubber seal 11 bonds together with insulation positioning support block 15 and housing 17 respectively, separately
One end is provided with multiple inner chambers 10 (the present embodiment is six core watertight connectors, and inner chamber 10 has six) vertically, and each inner chamber 10 is equal
It is blind hole structure；Jack 13 is mounted in each inner chamber 10, the material of jack 13 is beryllium-bronze, and the inner surface of jack 13 is plated
Gold, the outer surface of jack 13 is Nian Jie with the inwall of inner chamber 10, be integrally formed with inner chamber 10 after vulcanization, and jack 13 is positioned near insulation
One end of support block 15 is provided with blind hole A29, and the blind hole A29 inwalls of each jack 13 are respectively welded wire 19；Insulation positioning branch
Six through hole B for conducting wire 19 are provided with bracer 15, after jack 13 is welded with wire 19, wire 19 is positioned through insulation
Through hole B in support block 15；Engineering plastics seal 18 is cast with the housing 17 of the insulation positioning opposite side of support block 15.Insert
Hole 13 is contained in the first vulcanization of rubber seal 11, and there is independent inner chamber 10 each front end of jack 13, each inner chamber 10
Multiple annular protrusions 12 are evenly equipped with inwall vertically, each annular protrusion 12 is to project radially inwards.
The front end of housing 17 is provided with external screw thread A14, and external screw thread A14 is rectangular thread, with plug internal thread locking nut
24 are connected, and the tail end of housing 17 is provided with external screw thread B, is connected with underwater operation equipment.
As shown in Figure 3, Figure 4, plug includes contact pin 21, the second vulcanization of rubber seal 23 and internal thread locking nut 24,
One end of wherein the second vulcanization of rubber seal 23 is embedded with cable 25, and the other end is extended axially outwardly to be formed and counted with inner chamber 10
The equal rubber-covered rod 22 of amount, the rubber-covered rod 22 is corresponded with inner chamber 10.Second vulcanization of rubber seal 23 it is another
One end is distributed with multiple (the present embodiment is six) contact pins 21, and the material of contact pin 21 is naval's copper, surface gold-plating, each contact pin 21
One end it is be bonded with the second vulcanization of rubber seal 23, and the end is provided with blind hole B, the wire in cable 25 and blind hole B inwalls
Welding, the other end of contact pin 21 passes by rubber-covered rod 22, expose to the second vulcanization of rubber seal 23 it is outer and with jack 13
It is corresponding.Contact pin 21 and rubber-covered rod 22 are respectively positioned on the inside of internal thread locking nut 24.
The material of internal thread locking nut 24 is acetal resin (engineering plastics), and its one end passes through the rubber of jump ring 26 and second
Glue vulcanization seal 23 is connected, and the other end is provided with internal thread 30, and the internal thread 30 is the outer of setting on rectangular thread, with housing 17
Screw thread A14 is connected, and plug is combined by internal thread locking nut 24 with the external screw thread A14 on the housing 17 of socket, to prevent
Release.
First vulcanization of rubber seal 11 of the present utility model and the second vulcanization of rubber seal 23 are respectively adopted sea water resistance
Neoprene (abbreviation CR).
Operation principle of the present utility model is：
When in use, the sealed compartment that socket is arranged on into underwater operation equipment on land first is corresponding for the utility model
Position, the wherein O-ring seal 16 on the housing 17 of naval's copper and underwater operation equipment sealed compartment be in close contact, play radially
The effect of sealing；Afterwards, the contact pin 21 on the second vulcanization of rubber seal 23 is inserted into inserting for the first vulcanization of rubber seal 11
Sealed against with annular protrusion 12 in hole 13, and in the insertion of rubber-covered rod 22 inner chamber 10, the first vulcanization of rubber seal 11
The end face of the other end abutted with the end face seal of the other end of the second vulcanization of rubber seal 23, and positioned at internal thread locking nut
In 24, internal thread locking nut 24 is then tightened.Rubber-covered rod 22 inserts inner chamber 10 and annular protrusion 12 is sealed against and can risen
To independent axial seal, the internal thread locking nut 24 on plug is connected with the external screw thread 14 on Socket casing, to prevent hair
The phenomenon that life is released.
The utility model is installed on underwater sealing cabin, for the connection of sealed compartment and cable, is suitable for 0~8000 meter of water
Lower operation, insulaion resistance ＞ 200M Ω~500M Ω, the Ω of contact resistance ＜ 0.01, plug number of times is ＞ 500 times.With mechanical strength
The features such as height, good seal performance and compact, wet plug can be in wet condition carried out, meet the use under severe sea condition
It is required that.
The utility model is same to be assembled to being used using can not only be used for power connector, while can transmit electric signal again, is fitted
Share in various underwater operation equipment, such as underwater robot (ROV/ROTV), offshore oil and natural gas, submarine observation network,
Marine Sciences instrument and equipment, diving system and equipment, underwater camera and illuminator, under water Defences field etc., are used for
Transmission electric signal.
Claims (9)
1. a kind of small watertight connector, including socket and plug, one end of the socket are arranged in underwater operation equipment, separately
One end is connected with the spigot seal；It is characterized in that：
The socket includes housing (17), the first vulcanization of rubber seal (11), insulation positioning support block (15) and engineering plastics
Seal (18), the two ends of wherein housing (17) are formed respectively with the external screw thread A (14) being threadedly coupled with the plug and for pacifying
External screw thread B (27) in underwater operation equipment, the external screw thread A (14) is rectangular thread；First vulcanization of rubber is close
One end of envelope body (11) inserts in housing (17) and Nian Jie with the housing (17) sealing, and the other end is located at the housing (17)
Outside, multiple inner chambers (10) are provided with vertically in first vulcanization of rubber seal (11), in each described inner chamber (10)
It is mounted on being provided with insulation positioning support block (15) in the jack (13) of connecting wire (19), the housing (17), the insulation is determined
The side of position support block (15) is Nian Jie with one end of first vulcanization of rubber seal (11), is poured in the housing (17) of opposite side
It is marked with engineering plastics seal (18)；Wire (19) on each jack (13) is successively by insulation positioning support block (15) and institute
Engineering plastics seal (18) is stated to pass through；
The plug includes contact pin (21), the second vulcanization of rubber seal (23) and internal thread locking nut (24), the internal thread
The periphery of the second vulcanization of rubber seal (23), one end and second vulcanization of rubber seal (23) phase are covered in outside lock nut (24)
Even, the other end is formed with internal thread (30), is connected with the external screw thread A (14) on the housing (17) by the internal thread (30), institute
It is rectangular thread to state internal thread (30)；One end of second vulcanization of rubber seal (23) is with internal thread locking nut (24) even
Connect, be inserted with the other end and be embedded in the second rubber with the inner chamber (10) quantity identical contact pin (21), one end of each contact pin (21)
Glue vulcanizes in seal (23) and is connected with the wire being connected in the cable (25) of the second vulcanization of rubber seal (23), respectively
It is outward and corresponding with the jack (13) that the other end of contact pin (21) exposes to the second vulcanization of rubber seal (23)；Described
Two vulcanization of rubber seals (23) are extended axially by and are wrapped in contact pin (21) rubber-covered rod (22) outward, the rubber-covered rod
(22) corresponding with the inner chamber (10), the contact pin (21) and rubber-covered rod (22) are respectively positioned on internal thread locking nut (24)
Inside.
2. small watertight connector according to claim 1, it is characterised in that：Edge on the inwall of each inner chamber (10)
Axially it is evenly equipped with multiple annular protrusions (12), each annular protrusion (12) is to project radially inwards；The rubber-covered rod (22)
Sealed against with each annular protrusion (12) in inner chamber (10).
3. small watertight connector according to claim 1 and 2, it is characterised in that：Opened vertically in the housing (17)
There is through hole A, the insulation positions support block (15) positioned at one end of through hole A.
4. small watertight connector according to claim 3, it is characterised in that：The housing (17) and underwater operation equipment
Contact surface be provided with annular groove (28), is equipped with O-ring seal (16) in the annular groove (28).
5. small watertight connector according to claim 1 and 2, it is characterised in that：First vulcanization of rubber seal
(11) one end is bonded as one with insulation positioning support block (15), and the other end is provided with multiple inner chambers (10), each inner chamber vertically
(10) it is blind hole structure；The outer surface of the jack (13) is Nian Jie with the inwall of inner chamber (10), and jack (13) is fixed near insulation
One end of position support block (15) is provided with blind hole A (29), and the wire (19) is welded with the inwall of blind hole A (29).
6. small watertight connector according to claim 5, it is characterised in that：The inner surface of the jack (13) is gold-plated.
7. small watertight connector according to claim 1 and 2, it is characterised in that：Second vulcanization of rubber seal
(23) one end is connected with cable (25), and the other end extends axially outwardly to form rubber-covered rod (22), the contact pin (21)
The other end passed by rubber-covered rod (22).
8. small watertight connector according to claim 1 and 2, it is characterised in that：One end of the contact pin (21) and institute
The second vulcanization of rubber seal (23) bonding is stated, and the end is provided with blind hole B, in the wire in the cable (25) and blind hole B
Wall is welded, and the other end of the contact pin (21) is inserted in jack (13).
9. small watertight connector according to claim 1 and 2, it is characterised in that：The internal thread locking nut (24)
One end be connected with the second vulcanization of rubber seal (23) by jump ring (26), first vulcanization of rubber seal (11) and the
Two vulcanization of rubber seals (23) are sealed against after socket plug connection, and in the internal thread locking nut (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621463828.1U CN206293701U (en) | 2016-12-29 | 2016-12-29 | Small watertight connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621463828.1U CN206293701U (en) | 2016-12-29 | 2016-12-29 | Small watertight connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206293701U true CN206293701U (en) | 2017-06-30 |
Family
ID=59155224
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621463828.1U Active CN206293701U (en) | 2016-12-29 | 2016-12-29 | Small watertight connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206293701U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107910696A (en) * | 2017-12-18 | 2018-04-13 | 中国电子科技集团公司第四十研究所 | Rectangle high pressure Electric socket connector |
| CN108258506A (en) * | 2016-12-29 | 2018-07-06 | 中国科学院沈阳自动化研究所 | A kind of small watertight connector |
| CN109217052A (en) * | 2018-09-03 | 2019-01-15 | 贵州长通线缆有限公司 | A kind of cable transferring head |
-
2016
- 2016-12-29 CN CN201621463828.1U patent/CN206293701U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108258506A (en) * | 2016-12-29 | 2018-07-06 | 中国科学院沈阳自动化研究所 | A kind of small watertight connector |
| CN107910696A (en) * | 2017-12-18 | 2018-04-13 | 中国电子科技集团公司第四十研究所 | Rectangle high pressure Electric socket connector |
| CN109217052A (en) * | 2018-09-03 | 2019-01-15 | 贵州长通线缆有限公司 | A kind of cable transferring head |
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