CN218099706U - Underwater sealing connector for optical fiber - Google Patents
Underwater sealing connector for optical fiber Download PDFInfo
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- CN218099706U CN218099706U CN202222779699.9U CN202222779699U CN218099706U CN 218099706 U CN218099706 U CN 218099706U CN 202222779699 U CN202222779699 U CN 202222779699U CN 218099706 U CN218099706 U CN 218099706U
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Abstract
The utility model discloses a the utility model discloses an optic fibre sealing connector under water, including female first base, public seal receptacle, gland nut, public seal receptacle passes through gland nut and realizes the sealing connection with female first base, the inboard of female first base is equipped with first optic fibre rubber fixing base, and in the female head end of optic fibre was fixed in first optic fibre rubber fixing base, be equipped with second optic fibre rubber fixing base in the public seal receptacle, the public head end of optic fibre was fixed in the second optic fibre rubber fixing base, be equipped with first sealing washer between female first base and the machine link, the junction is equipped with the second sealing washer in public seal receptacle and the female first base, gland nut is equipped with third sealing washer district with the junction of female first base, the utility model discloses need not to set up the public head of watertight socket and realize connecting, because the special light transmission performance of optic fibre, as long as public end and female end have the signal to pass through alright in public first base and seal receptacle and realize connecting.
Description
Technical Field
The utility model relates to a sealing connector technical field especially relates to an optic fibre sealing connector under water.
Background
Chinese patent CN 106961043A discloses an underwater cable joint sealing device, which uses three main fittings, namely a male base, a sealing nut and a sealing seat, to seal the male base and the sealing seat with the sealing nut and a sealing ring, and uses a watertight female socket head and a male socket head to connect the cable connecting ends inside, and uses a plug to position the cable connecting ends, however, in the connection of optical fibers, it is not suitable to use the plug-in mode of the male socket head and the female socket head, because the male socket head is a hard metal material ring head, a wire head is arranged at the male socket head, a wire hole is arranged at one side of the female socket head, when connecting, the sealing seat is aligned with the inner cavity of the male base, and it is difficult to ensure that the wire head and the wire hole are also aligned, which can lead to bending of the wire head when inserting with force, and it is easy to cut with strong force, which is not suitable for fragile optical fiber joints, in addition, this technical scheme is a perfect sealing scheme, and a second sealing device is also short of connecting the cable connecting with the sheath.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model aims to provide an optical fiber underwater sealing connector to solve the technical problem mentioned by the background art.
For solving the technical problem, the utility model discloses a following technical scheme realizes:
the utility model provides an optic fibre sealing connector under water, includes female first base, public seal receptacle, gland nut, one side of female first base is equipped with the first external screw thread of being connected with the machine end, and the opposite side is equipped with the second external screw thread of being connected with gland nut, public seal receptacle passes through gland nut and realizes the sealing connection with female first base, the inboard of female first base is equipped with first optic fibre rubber fixing base, and in the female head end of optic fibre was fixed in first optic fibre rubber fixing base, be equipped with second optic fibre rubber fixing base in the public seal receptacle, in the public head end of optic fibre was fixed in second optic fibre rubber fixing base, be equipped with first sealing washer between female first base and the machine link, the junction is equipped with the second sealing washer in public seal receptacle and the female first base, gland nut is equipped with the third sealing washer with the junction of female first base.
The improved optical fiber connector is characterized in that the female base comprises a machine connecting portion connected with a machine end and a sealing connecting portion connected with a male sealing seat and a sealing nut, first external threads are arranged on the outer side of the machine connecting portion, second external threads are arranged on the outer side of the sealing connecting portion, the male sealing seat comprises a handheld end used for being screwed up in a handheld mode and a sealing connecting end used for being connected and sealed in the female base, a first blocking ring is arranged on one side of the sealing connecting end and just blocking the inner side of the sealing nut, a second sealing ring is arranged between the first blocking ring and the end portion of the machine connecting portion of the female base to prevent water from entering the inner portion of the connecting portion of the female base and the male sealing seat, optical fiber through holes are symmetrically formed in the first optical fiber rubber fixing seat and the second optical fiber rubber fixing seat, and optical fibers with clamping rings penetrate out from opposite directions of the optical fiber through holes and are prevented from being separated from the inner sides of the optical fiber through holes through the clamping rings.
The improved structure of the connector is characterized in that a positioning groove is formed in the inner side of the female head base, a positioning pin is arranged at the position, corresponding to the positioning groove, of the male sealing seat, and when the male sealing seat is connected, the male sealing seat is accurately connected through the matching of the positioning pin and the positioning groove.
The improved optical fiber connector is further improved in that a female head fixing seat is arranged on the inner side of one end of the female head base, a female head fixing nut is arranged on the outer side of the female head fixing seat, the female head fixing seat and the opening end of the first optical fiber rubber fixing seat are connected into a cavity, a first glue injection hole is formed in the back side of the female head fixing seat, a first cable perforation is formed in the outer side axis of the female head fixing seat, a male sealing fixing seat is arranged on the inner side of one end of the male sealing seat, the male sealing fixing seat and the opening end of the second optical fiber rubber fixing seat are connected into the cavity, a second glue injection hole is formed in the back side of the male sealing fixing seat, a second cable perforation is formed in the outer side axis of the male sealing fixing seat, a connecting sleeve is further arranged between the first optical fiber rubber fixing seat and the second optical fiber rubber fixing seat, the male end of an optical fiber and the female end of the optical fiber are in butt joint in the connecting sleeve, a male sealing fixing seat is connected with a male fixing nut, the free ends of the female head fixing nut and the male fixing nut are both provided with a wrapping part, and an external cable layer is wrapped in the wrapping part to achieve efficient sealing.
The further improvement is that the first optical fiber rubber fixing seat and the second optical fiber rubber fixing seat are both provided with third glue injection holes, and the third glue injection holes can introduce glue injected from the first glue injection holes or the second glue injection holes into a connecting cavity between the optical fiber male end and the optical fiber female end so as to realize high sealing.
The further improvement is that a sealing gasket is arranged at the joint of the male sealing seat and the male head fixing nut.
Compared with the prior art, the beneficial effects of the utility model reside in that:
(1) The utility model discloses, be different from the background art, need not to set up the public head of watertight socket and realize connecting, because the special light transmission performance of optic fibre, as long as the public end of bareheaded and the female end of bareheaded align in public first base and seal receptacle have the signal through alright with realizing connecting, two optic fibres need not to contact and connect, and this just need not set up two line holes and has pegged graft.
(2) For the problem of end of a thread is sealed, the utility model discloses set up female first fixation nut and public first fixation nut respectively at both ends, wherein female first fixation nut and public first fixation nut's free end all is equipped with parcel portion, and outside cable cortex parcel realizes high-efficient sealing in parcel portion department.
(3) In order to realize further high-efficient waterproof, the utility model discloses a set up female first fixing base and public sealed fixing base, it respectively with first optic fibre rubber fixing base and second optic fibre rubber fixing base open end interconnect become a chamber, and set up first and second injecting glue hole, accomplish the connection back at optic fibre, earlier toward corresponding injecting glue hole injection sealed glue, then with female first base, public sealed seat and gland nut etc. from the outside of female first fixing base of injecting glue and the public sealed fixing base connector of connection embolia sealedly, can realize the secondary seal.
Drawings
FIG. 1: the integral structure of the underwater optical fiber sealing connector is exploded;
FIG. 2: the integral structure of the underwater optical fiber sealing connector is assembled schematically;
FIG. 3: the integral structure of the underwater optical fiber sealing connector is axially sectioned as a first drawing;
FIG. 4: a second axial sectional view of the integral structure of the underwater optical fiber sealing connector;
in the figure: female head base 1, first external thread 101, second external thread 102 and positioning groove 103
A seal nut 2;
the male seal seat 3, the first baffle ring 301 and the positioning pin 302;
the female head fixing seat 4, a first glue injection hole 401 and a first cable through hole 402;
the male sealing fixed seat 5, a second glue injection hole 501 and a second cable through hole 502;
the optical fiber connector comprises a first optical fiber rubber fixing seat 6, an optical fiber female head end 7, a second optical fiber rubber fixing seat 8, an optical fiber through hole 9, an optical fiber male head end 10, a first sealing ring 11, a second sealing ring 12, a third sealing ring 13, a female head fixing nut 14, a connecting sleeve 15, a male head fixing nut 16, a third glue injection hole 17, a sealing gasket 18 and a wrapping part 1a.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that the embodiments or technical features described below can be arbitrarily combined to form a new embodiment without conflict.
Referring to fig. 1 to 4:
example 1: the utility model discloses an optic fibre sealing connector under water, including female first base 1, public seal receptacle 3, gland nut 2, one side of female first base 1 is equipped with the first external screw thread 101 of being connected with the machine end, the opposite side is equipped with the second external screw thread 102 of being connected with gland nut 2, public seal receptacle 3 realizes through gland nut 2 with female first base 1's sealing connection, female first base 1's inboard is equipped with first optic fibre rubber fixing base 6, and female optical fibre end 7 is fixed in first optic fibre rubber fixing base 6, be equipped with second optic fibre rubber fixing base 8 in public seal receptacle 3, in public optical fibre end 10 is fixed in second optic fibre rubber fixing base 8, be equipped with first sealing washer 11 between female first base 1 and the machine link, public seal receptacle 3 is equipped with second sealing washer 12 with female first base 1 interior junction, gland nut 2 is equipped with third sealing washer 13 with female first end base 1's junction, adopts the technical scheme of this embodiment, and optic fibre is that optical fibre is directly fixed in first and second optic fibre rubber fixing base 8, by female base 1, female base 3 and female optical fibre base 2 and female optical fibre base 1's junction is equipped with third sealing washer 13, and the special sealing plug of the optical fibre and the optical fibre can be very much and the optical fibre signal plug and the mutual connection of the optical plug that need not to be in the optical fibre and the simple optical fibre connection and the optical plug and the optical connection and need to be in the optical fibre to be in the mutual and need to be in the optical plug and need to be detected the optical connection and the optical fibre signal connection and the mutual connection and the simple plug and need be in the optical plug and be in the optical plug.
As a supplement to embodiment 1, specifically, the female base 1 includes a machine connecting portion connected to a machine end and a sealing connecting portion connected to the male sealing seat 3 and the sealing nut 2, the first external thread 101 is disposed on an outer side of the machine connecting portion, the second external thread 102 is disposed on an outer side of the sealing connecting portion, the male sealing seat 3 includes a handheld end for handheld screwing and a sealing connecting end inserted into the female base 1 for connection and sealing, a first stopper ring 301 is disposed on one side of the sealing connecting end, the first stopper ring 301 is just stopped at an inner side of the sealing nut 2, the second sealing ring 12 is disposed between the first stopper ring 301 and an end of the machine connecting portion of the female base 1 to prevent water from entering into the interior from a joint of the female base 1 and the male sealing seat 3, the first optical fiber rubber fixing seat 6 and the second optical rubber fixing seat 8 are both symmetrically provided with optical fiber through holes 9, an optical fiber with a head end opposite to the optical fiber through hole 9 and is prevented from coming out of the optical fiber through hole 9, two optical fiber through holes 9 are spaced apart from each other, the female optical fiber through hole 10 and the male sealing seat 9 and the optical fiber can not be directly contacted with the male sealing end, and the optical fiber through hole 9, and the optical fiber can not be directly contacted with the male sealing end of the female base 1 and the male sealing nut 1.
For the location connection that can be accurate between public seal receptacle 3 and the female first base 1's inboard is equipped with constant head tank 103, public seal receptacle 3 corresponds the position of constant head tank 103 and is equipped with locating pin 302, and when connecting, public seal receptacle 3 realizes accurate the connection through the cooperation of locating pin 302 and constant head tank 103.
Example 2: on the basis of embodiment 1, a female head fixing seat 4 is arranged on the inner side of one end of the female head base 1, a female head fixing nut 14 is arranged on the outer side of the female head fixing seat 4, the female head fixing nut 14 is in threaded fit with the female head base 1, the female head fixing seat 4 is connected with the open end of a first optical fiber rubber fixing seat 6 to form a cavity, a first glue injection hole 401 is arranged on the back side of the female head fixing seat 4, a first cable through hole 402 for a cable to pass through is arranged on the outer axial line of the female head fixing seat 4, a male sealing fixing seat 5 is arranged on the inner side of one end of the male sealing seat 3, the male sealing fixing seat 5 is connected with the open end of a second optical fiber rubber fixing seat 8 to form a cavity, a second glue injection hole 501 is arranged on the back side of the male sealing fixing seat 5, a second cable through hole 502 for a cable to pass through is arranged on the outer axial line of the male sealing fixing seat 5, a connecting sleeve 15 is further arranged between the first optical fiber rubber fixing seat 6 and the second optical fiber rubber fixing seat 8, the optical fiber male end 10 and the optical fiber female end 7 are butted in the connecting sleeve 15, the outer side of the male sealing fixing seat 5 is connected with a male fixing nut 16 through threads, the free ends of the female fixing nut 14 and the male fixing nut 16 are both provided with a wrapping part 1a, an outer cable skin is wrapped at the wrapping part 1a to realize efficient sealing, the embodiment is different from the embodiment in which the optical fiber male end 10 and the optical fiber female end 7 of the embodiment 1 are directly connected in the female base 1 and the male sealing seat 3, on the basis of the embodiment 1, the female base 1 and the male sealing seat 3 only serve as an outer shell to play a role of protection and two-layer sealing, and two parts of the female fixing seat 4 and the male sealing fixing seat 5 are added inside (wherein the two fixing seats are also connected with the corresponding optical fiber rubber fixing seats to form a cavity, convenient glue injection), so set up, alright connect well earlier with two optic fibre, then the injecting glue is sealed, then embolia this injecting glue sealed connector with female first base 1, public seal receptacle 3 and gland nut 2 and corresponding sealing washer from the outside to realize two layers of sealings, when needing to take out stitches, the disassembly of this embodiment is that can only remove outside three main casings (female first base 1, public seal receptacle 3 and gland nut 2), and the part of inside injecting glue includes that optic fibre can not be removed, but when using under water at ordinary times, in case the installation is accomplished, also need not dismantle basically when the circuit maintenance at ordinary times, the main purpose of this connector is exactly in order to solve the sealed problem under water of optic fibre attach fitting.
As a supplement to embodiment 2, the first optical fiber rubber fixing seat 6 and the second optical fiber rubber fixing seat 8 are both provided with third glue injection holes 17, and the third glue injection holes 17 can introduce glue injected from the first glue injection holes 401 or the second glue injection holes 501 into a connection cavity located between the optical fiber male end 10 and the optical fiber female end 7, so as to achieve high sealing.
As a supplement to embodiment 2, a sealing gasket 18 is further provided at the junction between the male sealing seat 3 and the male fixing nut 16 to enhance the water-tightness at the junction between the male sealing seat 3 and the male fixing nut 16.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art on the basis of the present invention are all within the protection scope of the present invention.
Claims (6)
1. The utility model provides an optic fibre sealing connection head under water, includes female head base, public seal receptacle, gland nut, one side of female head base is equipped with the first external screw thread of being connected with the machine end, the opposite side is equipped with the second external screw thread of being connected with gland nut, public seal receptacle passes through gland nut and realizes and the sealing connection of female head base, its characterized in that: the inboard of female first base is equipped with first optic fibre rubber fixing base, and the female head end of optic fibre is fixed in the first optic fibre rubber fixing base, be equipped with second optic fibre rubber fixing base in the public seal receptacle, in the public head end of optic fibre is fixed in second optic fibre rubber fixing base, be equipped with first sealing washer between female first base and the machine link, public seal receptacle is equipped with the second sealing washer with female first base internal junction, gland nut is equipped with the third sealing washer with female first base's junction.
2. An underwater optical fiber sealing connector as claimed in claim 1, wherein: female first base includes the machine connecting portion of being connected with the machine end and the sealing connection portion of being connected with public seal receptacle and gland nut, first external screw thread sets up in the outside of machine connecting portion, the second external screw thread sets up in the outside of sealing connection portion, public seal receptacle includes handheld end of handheld screwing up usefulness and inserts the sealing connection end that is used for connecting and sealing up usefulness in the female first base, one side of sealing connection end is equipped with first fender ring, first fender ring just keeps off the inboard at gland nut, the second sealing washer sets up between the tip of the machine connecting portion of first fender ring and female first base to prevent that water from advancing inside from the junction of female first base and public seal receptacle, the equal symmetry of first optic fibre rubber fixing base and second optic fibre rubber fixing base is equipped with the optic fibre through-hole, and take the optic fibre of snap ring to wear out and prevent to deviate from in optic fibre through the snap ring card inboard from the optic fibre through-hole from the optic fibre through-hole subtend.
3. An underwater sealed optical fibre connector as claimed in either of claims 1 or 2, wherein: the female head base is characterized in that a positioning groove is formed in the inner side of the female head base, a positioning pin is arranged at the position, corresponding to the positioning groove, of the male sealing seat, and when the male sealing seat is connected with the positioning groove, the male sealing seat is connected with the positioning groove accurately through the matching of the positioning pin and the positioning groove.
4. An underwater optical fiber sealing connector as claimed in claim 2, wherein: female first fixing base's one end inboard is equipped with female first fixing base, the outside of female first fixing base is equipped with female first fixation nut, and female first fixing base and first optical fiber rubber fixing base open end interconnect become a cavity, the dorsal part of female first fixing base is equipped with first notes jiao kou, be equipped with first cable perforation on the outside axis of female first fixing base, the one end inboard of public seal receptacle is equipped with public sealed fixing base, public sealed fixing base and second optical fiber rubber fixing base open end interconnect become a cavity, the dorsal part of public sealed fixing base is equipped with second notes jiao kou, be equipped with second cable perforation on the outside axis of public sealed fixing base, still be equipped with the adapter sleeve between first optical fiber rubber fixing base and the second optical fiber rubber fixing base, the butt joint is realized in the adapter sleeve to optical fiber public head end and the female head end of optical fiber, the outside of public sealed fixing base is connected with public first fixation nut, the free end of female first fixation nut and public fixation nut all is equipped with parcel portion, and high-efficient sealing is realized in parcel portion department to outside cable parcel.
5. An underwater optical fiber sealing connector as claimed in claim 1, wherein: and the first optical fiber rubber fixing seat and the second optical fiber rubber fixing seat are respectively provided with a third glue injection hole, and the third glue injection holes can guide the glue injected from the first glue injection holes or the second glue injection holes into a connecting cavity between the optical fiber male end and the optical fiber female end so as to realize high sealing.
6. An underwater optical fibre sealing connector as claimed in claim 4, wherein: and a sealing gasket is arranged at the joint of the male sealing seat and the male head fixing nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222779699.9U CN218099706U (en) | 2022-10-21 | 2022-10-21 | Underwater sealing connector for optical fiber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222779699.9U CN218099706U (en) | 2022-10-21 | 2022-10-21 | Underwater sealing connector for optical fiber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218099706U true CN218099706U (en) | 2022-12-20 |
Family
ID=84457609
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222779699.9U Active CN218099706U (en) | 2022-10-21 | 2022-10-21 | Underwater sealing connector for optical fiber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218099706U (en) |
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2022
- 2022-10-21 CN CN202222779699.9U patent/CN218099706U/en active Active
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