CN209231560U - Round fiber electric connector - Google Patents
Round fiber electric connector Download PDFInfo
- Publication number
- CN209231560U CN209231560U CN201822248297.XU CN201822248297U CN209231560U CN 209231560 U CN209231560 U CN 209231560U CN 201822248297 U CN201822248297 U CN 201822248297U CN 209231560 U CN209231560 U CN 209231560U
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- Prior art keywords
- sleeve
- optical fiber
- plug
- electric connector
- cable hood
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Abstract
The utility model discloses the round fiber electric connectors of electric connector field, including plug and socket, the casing front end outer side is socketed with lock sleeve and rear end cap is connected to sleeve and is fixed by jackscrew with the sleeve, and the plug is plugged together with the socket screw thread and connect；The plug head is axially inside equipped with light jack, optical fiber component is accordingly equipped with inside the socket tail end, the tail end of the plug is equipped with cable hood, the cable hood nose threads are connected to the sleeve inner and are bonded with sealing ring between the sleeve, the front end face of the cable hood lateral wall is recessed inwardly to form groove, and water proof ring is bonded between the sleeve tail end face and the groove of the cable hood lateral wall, the insertion loss value of optical fiber component can be maintained at lesser range by round fiber electric connector provided by the utility model, and enhance the sealing performance of optical fiber component.
Description
Technical field
The utility model relates to electric connector fields, and in particular to round fiber electric connector.
Background technique
Optical fiber connector is generally used for sonar, optical transmitter and receiver, guided missile, torpedo store and launch canister and ground, ship's fitting
Between electrical connection and signal transmission.For optical fiber connector, it is most important be reduce optical fiber component insertion loss and
Guarantee the leakproofness of optical fiber component, to reduce influence when optical fiber component is got involved in system for system, existing optical fiber electricity
Connector pin still remains deficiency to this.
Utility model content
The technical issues of solution
Aiming at the problem that existing background is proposed, the utility model provides the circle that a kind of insertion loss is small, leakproofness is high
Shape optical fiber electric connector.
Technical solution
In order to achieve the above object, the utility model is achieved by the following technical programs:
Round fiber electric connector, including plug and socket, the plug include casing, the casing front end outer side
It is socketed with lock sleeve and rear end cap is connected to sleeve and fixes by jackscrew with the sleeve, the plug and the socket screw thread are inserted
Close connection；The plug head is axially inside equipped with light jack, is accordingly equipped with optical fiber component, institute inside the socket tail end
State optical fiber component successively includes optical fiber, light contact pin and casing from inside to outside, and the optical fiber component is opposite with the smooth jack
The ground machine grinding of mating surface, grinding steps are as follows:
A) the ground machine grinding of the optical fiber component mating surface opposite with the smooth jack；
B) pass through the optical fiber component mating surface after the detection grinding of end surface measurement instrument；
C) pass through the insertion loss of optical fiber component described in insertion return loss detector test, it is desirable that insertion loss≤0.2dB；
D) after the insertion loss of the optical fiber component meets the requirements, the optical fiber component is passed through into the sleeve and is placed into institute
Plug inside is stated, and passes through insertion return loss detector test insertion loss, it is desirable that insertion loss≤0.2dB；
E) after the insertion loss of the optical fiber component meets the requirements, the plug and the socket are assembled, and
Protective cap is threadedly coupled in the plug head.
Optical fiber connector is most important be exactly optical fiber component insertion loss, and the size of insertion loss be can be according to light
After fine component is ground in grinder, guarantee what optical fiber component any surface finish smoothly controlled；Therefore, by controlling optical fiber component
In the grinding flatness of grinder, the insertion loss value of optical fiber component can be maintained at lesser range.
The tail end of the plug be equipped with cable hood, the cable hood nose threads be connected to the sleeve inner and with it is described
Sealing ring is bonded between sleeve, the front end face of the cable hood lateral wall is recessed inwardly to form groove, and the sleeve tail portion
It is bonded with water proof ring between end face and the groove of the cable hood lateral wall, and has been uniformly injected into epoxy in the cable hood tail end
Resin glue is sealed the cable hood, and the sealing performance of optical fiber component, epoxy can be enhanced with water proof ring for sealing ring
Secondary seal and the fixation of optical fiber component may be implemented in the pouring of resin glue.
Further, the cable hood lateral tail is socketed with 4 cable intermediate plates, and the cable intermediate plate is solid by screw
It is scheduled on cable hood inner sidewall.Cable intermediate plate can effectively eliminate the stress of optical fiber component, be firmly fixed to optical fiber component
In cable hood, pulling for solder joint desoldering and optical fiber component internal optical fiber is not easily caused.
Further, ripple spring, retaining circlip and locking card are provided between the casing and the lock sleeve
Circle can prevent falling off for lock sleeve, keep the fixation between casing and lock sleeve.
Further, the socket includes seat shell body and metal pedestal protective cap, and the seat housing forward end passes through screw
It is fixed with pressing plate, before the pressing plate front end is successively arranged after grommet and tail sleeve through seat shell body described in epoxide-resin glue encapsulating
End face；The end of the metal pedestal protective cap and one end of the seat hull outside are rotatablely connected by fixing axle and jackscrew, and
The first spring is connected between the seat shell body and the metal pedestal protective cap.Pressing plate, grommet and epoxide-resin glue can be with
The leakproofness of socket front end is kept, metal pedestal protective cap can protect the tail end of socket.
Further, the metal pedestal protective cap inner surface is bonded with rubber pad, and socket can be made not mutual with plug
Guarantee the leakproofness inside socket when changing.
Further, the other end of the seat hull outside is equipped with through-hole, and the through-hole is interior inserted with positioning pin and institute
The head for stating positioning pin insertion is connected with set pin sleeve by second spring；It is cased with fixing sleeve on the outside of the tail end of the positioning pin,
It is fixed with pull rod on the fixing sleeve, is connected between the fixing sleeve and the positioning pin head part and is wrapped in the positioning pin week
The third spring of body, to generate elastic force when pull rod being enable to pull outward.
Further, it is coated with screw thread glue on the screw, enhances fixed performance.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described.It should be evident that the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of the utility model optical fiber component；
Fig. 2 is the side sectional view of the utility model plug；
Fig. 3 is the side sectional view of the utility model socket；
The procedure chart of the position Fig. 4 the utility model optical fiber component end surface grinding；
Label in figure respectively represents: 1- plug；101- casing；102- lock sleeve；103- sleeve；104- jackscrew；
105- light jack；106- protective cap；107- cable hood；108- sealing ring；109- water proof ring；110- cable intermediate plate；111- screw；
112- ripple spring；113- retaining circlip；114- retaining retainer ring；2- socket；201- seat shell body；202- metal pedestal protective cap；2021-
Fixing axle；The first spring of 2022-；203- pressing plate；204- grommet；205- tail sleeve；206- rubber pad；207- through-hole；208- is fixed
Position pin；209- second spring；210- set pin sleeve；211- fixing sleeve；212- pull rod；213- third spring；3- optical fiber component；
301- optical fiber；302- light contact pin；303- casing；4- epoxide-resin glue.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described.Obviously, it is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Based on the implementation in the utility model
Example, every other embodiment obtained by those of ordinary skill in the art without making creative efforts belong to
The range of the utility model protection.
Below with reference to embodiment, the utility model will be further described.
In conjunction with Fig. 2: round fiber electric connector, including plug 1 and socket 2, plug 1 include casing 101, casing
101 front end outer sides are socketed with lock sleeve 102 and rear end cap is connected to sleeve 103 and, plug 1 fixed by jackscrew 104 and sleeve 103
It plugs together and connect with 2 screw thread of socket；It is provided with ripple spring 112, retaining circlip 113 between casing 101 and lock sleeve 102 and stops
Retainer ring 114 is moved back, falling off for lock sleeve 102 can be prevented, keeps the fixation between casing 101 and lock sleeve 102.
1 front end of plug is axially inside equipped with light jack 105, and optical fiber component 3, knot are accordingly equipped with inside 2 tail end of socket
Fig. 1 is closed, optical fiber component 3 successively includes optical fiber 301, light contact pin 302 and casing 303 from inside to outside.Wherein, light contact pin 302 with
The connection of 303 suitability of casing, also, keep the axial elasticity retentivity of optical fiber component 3.
Reasonable axial elasticity retentivity can not only guarantee optical fiber electric connector optical fiber when bearing axial vibration impact
Component 3 will not influence contact, while because the axial compressive force of optical fiber component 3 makes 3 end face of optical fiber component produce certain end face
Contact stress and frictional force, light contact pin 302 ensure that optical fiber electric connector is bearing cross together with the elastic holding force of pipe sleeve 303
To the concentricity of optical fiber component 3 when vibration, impact, so that optical fiber component 3 is not in biggish transversion malposition.
But it is excessive that excessive axially loaded can make 301 end face of optical fiber meet with stresses, and the refractive index inside optical fiber 301 occurs
Variation is to cause junction loss to increase.Therefore in the present embodiment when optical fiber component 3 is designed to the axial elasticity of optical fiber component 3
Design is optimized in retentivity, determines that the end face retentivity is 4.5~7.2N, it is ensured that the feelings of its 301 reasonable stress of optical fiber
Optical fiber component 3 is able to bear the job requirement under vibratory impulse environment under condition.
In conjunction with Fig. 4, the ground machine of the mating surface opposite with light jack 105 of optical fiber component 3 is ground, and grinding steps are as follows:
A) the ground machine grinding of the mating surface opposite with light jack 105 of optical fiber component 3；
B) pass through 3 mating surface of optical fiber component after the detection grinding of end surface measurement instrument；
C) pass through the insertion loss of insertion return loss detector test optical fiber component 3, it is desirable that insertion loss≤0.2dB；
D) after the insertion loss of optical fiber component 3 meets the requirements, optical fiber component 3 is passed through into sleeve 103 and is placed into plug 1
Portion, and pass through insertion return loss detector test insertion loss, it is desirable that insertion loss≤0.2dB；
E) after the insertion loss of optical fiber component 3 meets the requirements, plug 1 and socket 2 are assembled, and before plug 1
End is threadedly coupled protective cap 106.
In the present embodiment, light contact pin 302 uses ceramic contact pin, by nano zircite ZrO2 material through a system on ceramic contact pin
The high-precision special cermacis element that column are formulated, are process has not by acid and alkali corrosion, non-hygroscopic, hardness is high, chemical stability
The good characteristics such as height, high temperature resistant, ageing-resistant.
Also, the gold-plated processing of nickel plating is carried out on 303 surface of the outer sleeve of optical fiber component 3, process is gold-plated
One of nickel preplating process of preceding increase, nickel layer thickness control is in 1.5~1.8 μ ms, and then the layer gold of 1.27~1.30 μm of plating.
Nickel is to resist the relatively good material of accelerated oxidation performance in the high temperature environment, and the fusing point of nickel is about 2 times of copper, can be led to plated
Body carries out effective high temperature protection, and the presence of nickel layer can not only reduce the porosity of coating, improves corrosion resistance of coating, moreover it is possible to big
The big wear-resisting property for improving coating and the diffusive migration for effectively preventing coating and matrix.
The tail end of plug 1 is equipped with cable hood 107, and 107 nose threads of cable hood are connected to 103 inside of sleeve and and sleeve
Sealing ring 108 is bonded between 103, the front end face of 107 lateral wall of cable hood is recessed inwardly to form groove, and 103 tail portion of sleeve
It is bonded with water proof ring 109 between the groove of 107 lateral wall of end face and cable hood, and has been uniformly injected into ring in 107 tail end of cable hood
Oxygen resin glue 4 is sealed cable hood 107.
The sealing performance of optical fiber component 3, the pouring of epoxide-resin glue 4 can be enhanced in sealing ring 108 and water proof ring 109
Secondary seal and the fixation of optical fiber component 3 may be implemented.
107 lateral tail of cable hood is socketed with 4 cable intermediate plates 110, and cable intermediate plate 110 is fixed on electricity by screw 111
On 107 inner sidewall of cable cover.Cable intermediate plate 110 can effectively eliminate the stress of optical fiber component 3, and optical fiber component 3 is firmly fixed
In cable hood 107, pulling for solder joint desoldering and 3 internal optical fiber of optical fiber component is not easily caused.
In conjunction with Fig. 3, socket 2 includes seat shell body 201 and metal pedestal protective cap 202, and 201 front end of seat shell body passes through screw
111 are fixed with pressing plate 203, and 203 front end of pressing plate is successively arranged after grommet 204 and tail sleeve 205 through 4 encapsulating of epoxide-resin glue
201 front end face of seat shell body；The one end in 201 outside of end and seat shell body of metal pedestal protective cap 202 passes through fixing axle 2021 and top
Silk 104 is rotatablely connected, and the first spring 2022 is connected between seat shell body 201 and metal pedestal protective cap 202.Pressing plate 203, envelope line
Body 204 and epoxide-resin glue 4 can keep the leakproofness of 2 front end of socket, and metal pedestal protective cap 202 can be to the tail of socket 2
End is protected, and 202 inner surface of metal pedestal protective cap is bonded with rubber pad 206.Socket 2 can be made not mutual with plug 1
Guarantee the leakproofness inside socket 2 when changing.
In addition, screw thread glue is coated on screw 111 mentioned in the present embodiment, to enhance fixed performance.
The other end in 201 outside of seat shell body is equipped with through-hole 207, and through-hole 207 is interior inserted with positioning pin 208 and positioning pin 208
The head of insertion is connected with set pin sleeve 210 by second spring 209；It is cased with fixing sleeve 211 on the outside of the tail end of positioning pin 208,
It is fixed with pull rod 212 on fixing sleeve 211, is connected between 208 head of fixing sleeve 211 and positioning pin and is wrapped in positioning pin 208 weeks
The third spring 213 of body.To enable pull rod 212 to generate elastic force when pulling outward.
In the description of this specification, the description of reference term " one embodiment ", " example ", " specific example " etc. means
Particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least one of the utility model
In embodiment or example.In the present specification, schematic expression of the above terms be not necessarily referring to identical embodiment or
Example.Moreover, particular features, structures, materials, or characteristics described can be in any one or more embodiment or examples
In can be combined in any suitable manner.
The preferred embodiment in the utility model disclosed above is only intended to help to illustrate the utility model.Preferred embodiment is simultaneously
There is no the details that detailed descriptionthe is all, does not limit the specific embodiment of the utility model yet.Obviously, according in this specification
Hold, can make many modifications and variations.These embodiments are chosen and specifically described to this specification, is in order to preferably explain this reality
With novel principle and practical application, so that skilled artisan be enable to better understand and utilize this practical new
Type.The utility model is limited only by the claims and their full scope and equivalents.
Claims (7)
1. round fiber electric connector, including plug (1) and socket (2), the plug (1) includes casing (101), the head
Shell (101) front end outer side be socketed with lock sleeve (102) and rear end cap be connected to sleeve (103) and by jackscrew (104) with it is described
Sleeve (103) is fixed, and the plug (1) plugs together with the socket (2) screw thread and connect；Plug (1) front end is axially inside
Equipped with light jack (105), accordingly optical fiber component (3) are equipped with inside socket (2) tail end, it is characterised in that:
The optical fiber component (3) successively includes optical fiber (301), light contact pin (302) and casing (303), the light from inside to outside
Fine component (3) and the ground machine of the opposite mating surface of the smooth jack (105) are ground；
The tail end of the plug (1) is equipped with cable hood (107), and cable hood (107) nose threads are connected to the sleeve
(103) it is bonded with sealing ring (108) inside and between the sleeve (103), the front end face of cable hood (107) lateral wall
It is recessed inwardly to form groove, and be bonded between the sleeve (103) tail end face and the groove of the cable hood (107) lateral wall
Have water proof ring (109), and has been uniformly injected into epoxide-resin glue (4) to the cable hood (107) in the cable hood (107) tail end
It is sealed；Cable hood (107) lateral tail is socketed with 4 cable intermediate plates (110), and the cable intermediate plate (110) passes through
Screw (111) is fixed on cable hood (107) inner sidewall.
2. round fiber electric connector according to claim 1, it is characterised in that: casing (101) nose threads
It is connected with protective cap (106).
3. round fiber electric connector according to claim 1, it is characterised in that: the casing (101) and the lock
Ripple spring (112), retaining circlip (113) and retaining retainer ring (114) are provided between fixed (102).
4. round fiber electric connector according to claim 1, it is characterised in that: the socket (2) includes seat shell body
(201) and metal pedestal protective cap (202), seat shell body (201) front end are fixed with pressing plate (203), institute by screw (111)
It states pressing plate (203) front end and is successively arranged grommet (204) and tail sleeve (205) afterwards by seat described in epoxide-resin glue (4) encapsulating
Shell (201) front end face；One end on the outside of the end of the metal pedestal protective cap (202) and the seat shell body (201) passes through solid
Dead axle (2021) and jackscrew (104) are rotatablely connected, and are connected between the seat shell body (201) and the metal pedestal protective cap (202)
It is connected to the first spring (2022).
5. round fiber electric connector according to claim 4, it is characterised in that: in the metal pedestal protective cap (202)
Surface is bonded with rubber pad (206).
6. round fiber electric connector according to claim 4, it is characterised in that: another on the outside of the seat shell body (201)
One end is equipped with through-hole (207), the head in the through-hole (207) inserted with positioning pin (208) and the positioning pin (208) insertion
Set pin sleeve (210) are connected with by second spring (209)；Fixing sleeve is cased on the outside of the tail end of the positioning pin (208)
(211), be fixed with pull rod (212) on the fixing sleeve (211), the fixing sleeve (211) and the positioning pin (208) head it
Between be connected with the third spring (213) for being wrapped in the positioning pin (208) whole body.
7. round fiber electric connector as claimed in any of claims 1 to 6, it is characterised in that: the screw
(111) screw thread glue is coated on.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822248297.XU CN209231560U (en) | 2018-12-29 | 2018-12-29 | Round fiber electric connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822248297.XU CN209231560U (en) | 2018-12-29 | 2018-12-29 | Round fiber electric connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209231560U true CN209231560U (en) | 2019-08-09 |
Family
ID=67509813
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822248297.XU Active CN209231560U (en) | 2018-12-29 | 2018-12-29 | Round fiber electric connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209231560U (en) |
-
2018
- 2018-12-29 CN CN201822248297.XU patent/CN209231560U/en active Active
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