CN209606663U - A kind of optical fiber pigtail - Google Patents
A kind of optical fiber pigtail Download PDFInfo
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- CN209606663U CN209606663U CN201920451638.5U CN201920451638U CN209606663U CN 209606663 U CN209606663 U CN 209606663U CN 201920451638 U CN201920451638 U CN 201920451638U CN 209606663 U CN209606663 U CN 209606663U
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- optical fiber
- metalwork
- protective casing
- flexible protective
- hole
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Abstract
The utility model relates to a kind of optical fiber pigtails, including metalwork, one end of the metalwork is inserted with ceramic insertion core, and its other end is inserted with optical fiber, one end that the metalwork is inserted with optical fiber is provided with the flexible protective casing for being sheathed on outer fiber, the flexible protective casing diameter is gradually decreased by one end to the other end close to metalwork, the metalwork offers spliced eye close to one end of flexible protective casing, the end of the flexible protective casing is connected with the sleeve for being inserted in spliced eye, the circumferential surface of the sleeve offers several first positioning holes, the position that the metalwork corresponds to first positioning hole offers second location hole, second location hole is tapered with first positioning hole, and corresponding first positioning hole and second location hole are inserted with positioning pin using the connection type of interference fit.The utility model has and can reinforce the interconnecting piece of optical fiber and metalwork, to reduce the effect of optical fiber damage and the fine probability that breaks.
Description
Technical field
The utility model relates to the technical fields of fiber optic communication component, more particularly, to a kind of optical fiber pigtail.
Background technique
In the communications field, fiber optic communication has been widely used and has developed, and the application of optical cable in a local network is even more
Very extensive, various terminal equipment requires to connect with optic cable tail fiber, the geometrical property and optical characteristics of optical fiber, and transmission is special
Property has very high requirement to pigtail connecting device.Photoelectric device product made by this field at present, Yao Shixian laser photoelectricity
Transmission of the chip into external fiber or the transmission that detector photoelectric chip is accomplished to from external fiber, need using optical fiber group
Part.
Referring to Fig.1, the structure of optical fiber component is mainly by ceramic member 6(ZrO2), metal tube 5(, that is, metalwork), 7 groups of fiber optic rod
At.It is shown in Figure 1, wherein the hole section a diameter of placing ceramic part 6, which is greater than, in metal tube 5 places the straight of 7 hole section b of fiber optic rod
Diameter.Ceramic member 6 is press-fitted to the bottom of 5 inner hole of metal tube using the method for interference fit by ceramic member 6, and fiber optic rod 7 uses viscose glue
5 inner hole of metal tube for being press-fitted ceramic member 6 is first injected glue, fiber optic rod 7 is then penetrated metal tube 5 again by the method for 8 gluings
Inner hole goes directly 6 bottom surface of ceramic member.
But the fiber optic rod of the optical fiber component of this structure and the interconnecting piece of metal tube easily produce in transport or use process
Raw damage, or even fracture.
Utility model content
The purpose of the utility model is to provide a kind of optical fiber pigtails, and the interconnecting piece of optical fiber and metalwork can be carried out by having
Reinforce, to reduce optical fiber damage and the fine probability that breaks.
It is had the technical scheme that with the foregoing invention purpose of the utility model
A kind of optical fiber pigtail, including metalwork, one end of the metalwork is inserted with ceramic insertion core, and its other end plugs
There is optical fiber, one end that the metalwork is inserted with optical fiber is provided with the flexible protective casing for being sheathed on outer fiber, the flexible guarantor
Sheath diameter is gradually decreased by one end to the other end close to metalwork, and the metalwork is opened up close to one end of flexible protective casing
There is spliced eye, the end of the flexible protective casing is connected with the sleeve for being inserted in spliced eye, if the circumferential surface of the sleeve offers
Dry first positioning hole, the position that the metalwork corresponds to first positioning hole offer second location hole, second location hole with
First positioning hole is tapered, and corresponding first positioning hole is inserted with second location hole using the connection type of interference fit
Positioning pin.
By using above-mentioned technical proposal, in use, can be by flexible protective casing to the interconnecting piece of optical fiber and metalwork
It is protected, reduces the possibility of fibercuts, further, since flexible protective casing is flexible material, metalwork is metal material, is led to
Excessive root positioning pin is inserted in first positioning hole and second location hole, and being fixedly secured for flexible boot and metalwork can be completed.
The utility model is further arranged to: the metalwork is connected with baffle ring close to one end of flexible protective casing, described
The circumferential surface of metalwork is also threaded with anti-DNA releaxed circular DNA, the outer end that positioning pin can be blocked when being connected to baffle ring of the anti-DNA releaxed circular DNA.
By using above-mentioned technical proposal, after positioning pin is inserted in first positioning hole and second location hole, rotate locking
Ring simultaneously makes one end of anti-DNA releaxed circular DNA be connected to baffle ring, can be limited by anti-DNA releaxed circular DNA to each positioning pin, to prevent positioning pin
It is detached from from first positioning hole or second location hole.
The utility model is further arranged to: the axis direction of a lateral edge spliced eye of the spliced eye offers straight line
Slot, the circumferential surface of the sleeve, which is also connected with one, can be inserted in the convex stupefied of straight-line groove.
By using above-mentioned technical proposal, by using straight-line groove and convex stupefied mutual cooperation can complete sleeve and grafting
The positioning in hole, and then can be realized the positioning of each first positioning hole and second location hole.
The utility model is further arranged to: the flexible protective casing is rubber sleeve.
The utility model is further arranged to: the taper of the flexible protective casing is 1:10.
The utility model is further arranged to: the through-hole that can plug optical fiber is offered in the middle part of the flexible protective casing,
The diameter of the through-hole is less than fibre diameter 0.1-0.3mm.
By using above-mentioned technical proposal, by using through-hole diameter be less than fibre diameter, can guarantee flexible protective
The close connection of set and optical fiber, and then guarantee protection of the flexible protective casing to optical fiber.
The utility model is further arranged to: one end of the metalwork offers the first jack, and its other end opens up
Have the second jack, the optical fiber is inserted in the first jack, and the ceramic insertion core is inserted in the second jack, second jack with
Angle between first receptacle axis is α °, and α ° is greater than zero degree and less than 10 degree.
By using above-mentioned technical proposal, ceramic insertion core be inserted in a manner of certain eccentric angle metalwork second insert
In hole, so that the central axis of the second jack and the central axis of first through hole are in the angle of α, so that passing through the first jack
Optical fiber with the second jack further improves the reflectivity and coupled power of its optical fiber in transmission light source.
The utility model is further arranged to: described α ° is 3.7 °.
In conclusion the advantageous effects of the utility model are as follows:
1. it is disconnected to reduce optical fiber in use, can protect by interconnecting piece of the flexible protective casing to optical fiber and metalwork
The possibility split, further, since flexible protective casing is flexible material, metalwork is metal material, is inserted in by more positioning pins
In first positioning hole and second location hole, being fixedly secured for flexible boot and metalwork can be completed；
2. rotating anti-DNA releaxed circular DNA after positioning pin is inserted in first positioning hole and second location hole and supporting one end of anti-DNA releaxed circular DNA
It is connected to baffle ring, each positioning pin can be limited by anti-DNA releaxed circular DNA, to prevent positioning pin fixed from first positioning hole or second
Position is detached from hole；
3. by using through-hole diameter be less than fibre diameter, can guarantee the close connection of flexible protective casing and optical fiber,
And then guarantee protection of the flexible protective casing to optical fiber.
Detailed description of the invention
Fig. 1 is structural schematic diagram in background technique.
Fig. 2 is the overall structure diagram of the utility model.
Fig. 3 is the partial enlargement diagram of part A in Fig. 2.
Fig. 4 is the convex stupefied structural schematic diagram of the utility model.
In figure, 1, metalwork；11, the first jack；12, the second jack；13, spliced eye；131, straight-line groove；14, second is fixed
Position hole；15, baffle ring；16, anti-DNA releaxed circular DNA；2, ceramic insertion core；3, optical fiber；4, flexible protective casing；41, sleeve；411, first positioning hole；
412, convex stupefied；42, positioning pin；43, through-hole；5, metal tube；6, ceramic member；7, fiber optic rod；8, viscose glue.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
It is a kind of optical fiber pigtail disclosed by the utility model referring to Fig. 2, including metalwork 1, is inserted in 1 one end of metalwork
Ceramic insertion core 2 and be inserted in the optical fiber 3 of 1 other end of metalwork.
One end of metalwork 1 offers the first jack 11, and the axis of the first jack 11 and metalwork 1 is in same axis,
Optical fiber 3 can be inserted in the first jack 11 and complete the affixed of optical fiber 3 and metalwork 1 using binder, metalwork 1 it is another
End offers the second jack 12, and the second jack 12 is connected to the first jack 11, and the axis of the second jack 12 and the first jack 11
Axis between angle be α °, α ° is greater than zero degree and less than 10 degree, and α ° is preferably 3.7 °.Ceramics are inserted in second jack 12
Lock pin 2, and ceramic insertion core 2 and the second jack 12 are using interference fit.Ceramic insertion core 2 is inserted in a manner of certain eccentric angle
In second jack 12 of metalwork 1, so that the central axis of the central axis of the second jack 12 and the first jack 11 is in 3.7 °
Angle, so that further improving it in transmission light source across the optical fiber 3 of the first jack 11 and the second jack 12
The reflectivity and coupled power of optical fiber 3.
Referring to Fig. 2 and Fig. 3, metalwork 1 offers spliced eye 13 close to one end of the first jack 11, and metalwork 1 is close to the
One end of one jack 11 is additionally provided with flexible protective casing 4, and one end of flexible protective casing 4, which is connected with, can be inserted in spliced eye 13
Sleeve 41, the circumferential surface of sleeve 41 offers several first positioning holes 411, and the circumferential surface of metalwork 1 corresponds to each first positioning hole 411
Position be provided with second location hole 14, corresponding first positioning hole 411 is interconnected and tapered with second location hole 14, right
The second location hole 14 answered and positioning pin 42, positioning pin 42 and first positioning hole 411 and the are inserted in first positioning hole 411
Two location holes 14 are using interference fit, so that the fixation of metalwork 1 Yu flexible boot is completed, 13 1 lateral edge spliced eye of spliced eye, 13 axis
Line offers straight-line groove 131 (referring to Fig. 4), and the circumferential surface of sleeve 41 offers one convex stupefied 412, and convex stupefied 412 can be inserted in straight line
In slot 131, so as to complete each first positioning hole 411 of metalwork 1 and flexible boot circumferential surface and the positioning of second location hole 14.
Metalwork 1 is connected with baffle ring 15 close to one end of flexible protective casing 4, and the circumferential surface of metalwork 1 is also threaded with
Anti- DNA releaxed circular DNA 16, the outer end that positioning pin 42 can be blocked when being connected to baffle ring 15 of anti-DNA releaxed circular DNA 16.Positioning pin 42 is inserted in first
After location hole 411 and second location hole 14, rotates anti-DNA releaxed circular DNA 16 and one end of anti-DNA releaxed circular DNA 16 is made to be connected to baffle ring 15, can pass through
Anti- DNA releaxed circular DNA 16 limits each positioning pin 42, to prevent positioning pin 42 from first positioning hole 411 or second location hole 14
It is detached from.
Flexible protective casing 4 uses rubber sleeve, and 4 diameter of flexible protective casing is by close to one end of metalwork 1 to separate metal
One end of part 1 gradually decreases the tapered pyramidal structure for 1:10.Through-hole 43 is offered at 4 axial location of flexible protective casing, is led to
The diameter in hole 43 is less than 3 diameter 0.1-0.3mm of optical fiber, and optical fiber 3 is fed through through-hole 43 and is inserted in the first jack 11.By adopting
One end that flexible protective casing 4 can be inserted in metalwork 1 to optical fiber 3 carries out protection protection, reduce optical fiber 3 with metalwork
The probability that 1 interconnecting piece fractures, to protect optical fiber 3.
The implementation principle of the present embodiment are as follows: in use, can connection by flexible protective casing 4 to optical fiber 3 and metalwork 1
Portion is protected, and the possibility that optical fiber 3 is broken is reduced, further, since flexible protective casing 4 is flexible material, metalwork 1 is metal material
Matter is inserted in first positioning hole 411 and second location hole 14 by more positioning pins 42, flexible boot and metalwork can be completed
1 be fixedly secured, thirdly, after positioning pin 42 is inserted in first positioning hole 411 and second location hole 14, rotates anti-DNA releaxed circular DNA 16
And one end of anti-DNA releaxed circular DNA 16 is made to be connected to baffle ring 15, each positioning pin 42 can be limited by anti-DNA releaxed circular DNA 16, to prevent
Positioning pin 42 is detached from from first positioning hole 411 or second location hole 14.
The embodiment of present embodiment is the preferred embodiment of the utility model, and not limitation is originally practical new according to this
The protection scope of type, therefore: the equivalence changes that all structures, shape, principle according to the utility model are done should all be covered by practical
Within novel protection scope.
Claims (8)
1. one end of a kind of optical fiber pigtail, including metalwork (1), the metalwork (1) is inserted with ceramic insertion core (2), and it is another
One end is inserted with optical fiber (3), it is characterised in that: one end that the metalwork (1) is inserted with optical fiber (3), which is provided with, is sheathed on optical fiber
(3) flexible protective casing (4) on the outside of, flexible protective casing (4) diameter by close to metalwork (1) one end to the other end gradually
It reduces, the metalwork (1) offers spliced eye (13) close to the one end of flexible protective casing (4), the flexible protective casing (4)
End is connected with the sleeve (41) for being inserted in spliced eye (13), and the circumferential surface of the sleeve (41) offers several first positioning holes
(411), the position of the metalwork (1) corresponding first positioning hole (411) offers second location hole (14), second location hole
(14) tapered with first positioning hole (411), and corresponding first positioning hole (411) and second location hole (14) use interference
The connection type of cooperation is inserted with positioning pin (42).
2. a kind of optical fiber pigtail according to claim 1, it is characterised in that: the metalwork (1) is close to flexible protective casing
(4) one end is connected with baffle ring (15), and the circumferential surface of the metalwork (1) is also threaded with anti-DNA releaxed circular DNA (16), the anti-DNA releaxed circular DNA
(16) the outer end that positioning pin (42) can be blocked when being connected to baffle ring (15).
3. a kind of optical fiber pigtail according to claim 1, it is characterised in that: a lateral edge spliced eye of the spliced eye (13)
(13) axis direction offers straight-line groove (131), and the circumferential surface of the sleeve (41), which is also connected with one, can be inserted in straight-line groove
(131) convex stupefied (412).
4. a kind of optical fiber pigtail according to claim 1, it is characterised in that: the flexible protective casing (4) is rubber sleeve.
5. a kind of optical fiber pigtail according to claim 1, it is characterised in that: the taper of the flexible protective casing (4) is 1:
10。
6. a kind of optical fiber pigtail according to claim 1, it is characterised in that: opened up in the middle part of the flexible protective casing (4)
There is the through-hole (43) that can plug optical fiber (3), the diameter of the through-hole (43) is less than optical fiber (3) diameter 0.1-0.3mm.
7. a kind of optical fiber pigtail according to claim 1, it is characterised in that: one end of the metalwork (1) offers
One jack (11), and its other end offers the second jack (12), the optical fiber (3) is inserted in the first jack (11), the pottery
Porcelain lock pin (2) is inserted in the second jack (12), the folder between second jack (12) and first jack (11) axis
Angle is α °, and α ° is greater than zero degree and less than 10 degree.
8. a kind of optical fiber pigtail according to claim 7, it is characterised in that: described α ° is 3.7 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920451638.5U CN209606663U (en) | 2019-04-03 | 2019-04-03 | A kind of optical fiber pigtail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920451638.5U CN209606663U (en) | 2019-04-03 | 2019-04-03 | A kind of optical fiber pigtail |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209606663U true CN209606663U (en) | 2019-11-08 |
Family
ID=68407265
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920451638.5U Active CN209606663U (en) | 2019-04-03 | 2019-04-03 | A kind of optical fiber pigtail |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209606663U (en) |
-
2019
- 2019-04-03 CN CN201920451638.5U patent/CN209606663U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211111 Address after: 516000 4th floor, building B, No. 5 plant east of Xinke Avenue, Tongqiao town industrial base, Zhongkai high tech Zone, Huizhou City, Guangdong Province Patentee after: Guangdong huayida Communication Technology Co., Ltd Address before: 518107 third floor, building 6, No. 29, Zhenxin Road, liyuhe Industrial Zone, Loucun community, Gongming street, Guangming New District, Shenzhen, Guangdong Patentee before: Shenzhen huayida communication equipment Co., Ltd |
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| TR01 | Transfer of patent right |