CN217732975U - Optical fiber perform linkage - Google Patents
Optical fiber perform linkage Download PDFInfo
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- CN217732975U CN217732975U CN202220563124.0U CN202220563124U CN217732975U CN 217732975 U CN217732975 U CN 217732975U CN 202220563124 U CN202220563124 U CN 202220563124U CN 217732975 U CN217732975 U CN 217732975U
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- optical fiber
- pore
- adapter
- fiber preform
- bolt
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Abstract
The utility model relates to an optical fiber perform linkage, include: the adapter is provided with a first pore passage at one end, and a second pore passage is also arranged in the adapter and communicated with the first pore passage; the preform rod is provided with a reducing boss, and the reducing boss is clamped in the second pore passage; the first plug pin holes are symmetrically arranged at one end of the adapter in two groups and are communicated with the first pore channel; and the second bolt holes are arranged on the prefabricated bar in two groups, and bolts are clamped in the second bolt holes and the first bolt holes. This kind of optical fiber perform linkage adds on the stick at prefabricated stick and establishes the reducing boss and block and establish in the third pore, and the form through the bolt is fixed prefabricated stick and adapter simultaneously, and the two not only provides duplicate protection for prefabricated stick's the steadiness of hanging, and the mode of bolt fastening can also effectively prevent the slippage of prefabricated stick in sintering process simultaneously.
Description
Technical Field
The utility model belongs to the technical field of the optical fiber perform technique and specifically relates to indicate an optical fiber perform linkage.
Background
The optical fiber prefabricated rod is a quartz glass rod with a specific refractive index profile and used for manufacturing optical fibers, the body of the optical fiber prefabricated rod needs to be subjected to the working procedures of deposition, testing, sintering, degassing and the like in the production process, and the prefabricated rod needs to be connected with a rod holding part through an adapter in the processes of transferring, sintering, annealing and subsequent wire drawing by using a receiving and unloading arm.
Conventional prefabricated excellent linkage is solitary structure to baseball head matching adapter, the bulb mainly plays the supporting role to prefabricated excellent, on the one hand, prefabricated excellent after outsourcing production, through the test, pack, put in storage, finally hang excellent wire drawing to the wire drawing tower, whole transfer cycle is longer, lead to the damaged and fracture of bulb of partial prefabricated stick easily, thereby can't carry out subsequent sintering process, need weld newly just can carry out the wire drawing to the stick, on the other hand, lack on the adapter and carry out spacing structure to prefabricated stick, lead to the contact segment of stick and adapter because of the high temperature flaring slippage very easily in sintering process.
SUMMERY OF THE UTILITY MODEL
Therefore, the technical problem to be solved by the utility model is to overcome the problem that the optical fiber perform rod needs to be replaced frequently in the complete production process in the prior art.
In order to solve the technical problem, the utility model provides an optical fiber perform linkage, include:
the adapter is provided with a first pore passage at one end, and a second pore passage is also arranged in the adapter and communicated with the first pore passage;
the prefabricated stick is provided with a reducing boss, and the reducing boss is clamped in the second hole channel;
the first plug pin holes are symmetrically arranged at one end of the adapter in two groups and are communicated with the first pore channel;
and the second bolt holes are arranged on the handle bar of the prefabricated bar in two groups, and bolts are clamped in the second bolt holes and the first bolt holes.
In an embodiment of the present invention, the other end of the adapter is provided with a third hole, and the third hole is provided with a preform hanging rod.
In an embodiment of the present invention, the adapter is provided with a third plug hole, the third plug hole communicates with the third hole, the preform rod is provided with a fourth plug hole, and the fourth plug hole is provided with the plug in the third plug hole.
In an embodiment of the present invention, the diameter of the second hole is larger than that of the first hole, and a joint of the second hole and the first hole is an annular carrier.
In one embodiment of the present invention, the preform rod connects one end of the rod to the optical fiber preform body, and the other end thereof is provided with a ball head which is in contact with the annular stage.
In an embodiment of the present invention, the annular carrying platform is provided with an annular projection for limiting the displacement of the ball head.
In an embodiment of the present invention, the reducing bosses are symmetrically disposed on the preform rod.
In an embodiment of the present invention, the annular protrusion is symmetrically provided with two notches, and the size of the two notches is adapted to the diameter-variable boss.
In an embodiment of the present invention, the adapter is provided with a horizontal pushing groove, and the horizontal pushing groove communicates with the first hole and the second hole.
In an embodiment of the present invention, the length of the first hole is greater than the distance from the diameter-variable boss to the ball head, and the diameter of the first hole is greater than the diameter of the rod of the preform rod.
Compared with the prior art, the technical scheme of the utility model have following advantage:
an optical fiber perform linkage, at the prefabricated stick add on the stick and establish reducing boss and card and establish in the second pore, simultaneously through the form of bolt with the prefabricated stick fixed stick and adapter, the two not only provides duplicate protection for the prefabricated stick to the steadiness that hangs of stick, the mode of bolt fastening can also effectively prevent the slippage of prefabricated stick in sintering process simultaneously.
Drawings
In order to make the content of the invention more clearly understood, the invention will now be described in further detail with reference to specific embodiments thereof, taken in conjunction with the accompanying drawings, in which
Fig. 1 is a schematic view of the overall structure of the suspension apparatus for an optical fiber preform according to the present invention;
fig. 2 is a front sectional view of a transfer joint in the optical fiber preform suspension apparatus shown in fig. 1;
fig. 3 is another cross-sectional view of a transfer joint in the optical fiber preform suspension apparatus shown in fig. 1;
FIG. 4 is a front view of a preform handling rod portion of the optical fiber preform suspension apparatus shown in FIG. 1;
FIG. 5 is a plan view of a preform handling rod portion in the optical fiber preform suspension apparatus shown in FIG. 1;
fig. 6 is another schematic view of the whole structure of the suspension device for optical fiber preform according to the present invention.
The specification reference numbers indicate: 1. an adapter; 11. a first duct; 12. a second aperture; 13. a third porthole; 14. a first pin hole; 15. a third plug hole; 2. a preform rod; 21. a diameter-variable boss; 22. a ball head; 23. a second pin hole; 3. hanging a rod on the prefabricated rod; 31. a fourth pin hole; 4. horizontally pushing the groove; 5. an annular carrier; 6. an annular projection; 7. a notch; 8. an optical fiber preform body.
Detailed Description
The present invention is further described with reference to the following drawings and specific embodiments so that those skilled in the art can better understand the present invention and can implement the present invention, but the embodiments are not to be construed as limiting the present invention.
Referring to fig. 1 to 6, an optical fiber preform suspension apparatus includes: adapter 1, its one end is provided with first pore 11, and is concrete, and adapter 1 wholly can be the cylinder, also can be the cubic structure, and its material is the ceramic material of silicon nitride or boron nitride, and the temperature toleration is better, and coefficient of thermal expansion is low, can satisfy under high temperature environment use repeatedly and can not appear under the abnormal conditions such as damaged can guarantee that it can not appear damaged in high temperature sintering in-process.
The adapter 1 is further provided with a second duct 12 inside, the second duct 12 is communicated with the first duct 11, the adapter 1 is provided with a horizontal pushing groove 4, the horizontal pushing groove 4 is communicated with the first duct 11 and the second duct 12, specifically, the cross section of the horizontal pushing groove 4 is located at the axial lead position of the first duct 11 and the second duct 12, and the cross section is in a T shape.
The diameter of the second pore passage 12 is larger than that of the first pore passage 11, the diameter of the first pore passage 11 is larger than that of the preform rod 2, the joint of the second pore passage 12 and the first pore passage 11 is an annular carrying platform 5, one end of the preform rod 2 is connected with the optical fiber preform body 8, the other end of the preform rod 2 is provided with a ball head 22, the ball head 22 is in contact with the annular carrying platform 5, the annular carrying platform 5 is provided with an annular bump 6 for limiting the displacement of the ball head 22, the length of the first pore passage 11 is larger than the distance from the reducing boss 21 to the ball head 22, specifically, the annular carrying platform 5 is actually the upper end of the first pore passage 11, the ball head 22 is made of hemispherical high-purity quartz, the diameter of the ball head 22 is larger than that of the first pore passage 11 but smaller than that of the second pore passage 12, and more, and the shape of the ball head 22 can be elliptical or square.
Continuing to refer to fig. 2, adapter 1's the other end is provided with third hole way 13, 13 inside callipers are equipped with prefabricated excellent string stick 3 in third hole way, adapter 1 is provided with third bolt hole 15, third bolt hole 15 says 13 intercommunications with the third hole, prefabricated stick is 2 excellent and is provided with fourth bolt hole 31, fourth bolt hole 31 is equipped with the bolt with the 15 inside callipers of third bolt hole, it is concrete, prefabricated stick's sintering temperature exceeds 1500 ℃, ordinary prefabricated stick linkage is integrated into one piece, its material is high-purity quartz, it is out of shape to use under the high temperature environment that exceeds 1500 ℃ repeatedly easily, life is short and appear seriously finely drawing and fracture easily, so the utility model discloses well prefabricated stick linkage changes into adapter 1 and prefabricated stick 2's integrated form.
Refer to fig. 6 and fig. 3, in another kind of embodiment of the utility model, prefabricated stick 2, be provided with reducing boss 21 on it, reducing boss 21 card is established in second pore 12, reducing boss 21 sets up two rectangular pieces on excellent 2 for the symmetry at prefabricated stick, 6 symmetries of annular lug are provided with two breach 7, the size and the reducing boss 21 adaptation of two breach 7, it is concrete, reducing boss 21 and prefabricated stick 2 integrated into one piece, when bulb 22 takes place the damage, can insert reducing boss 21 and correspond in the breach 7 and not influence normal sintering process.
In the actual production process, adapter 1 hangs stick 3 with the prefabricated stick through the mode of bolted connection and is connected, the part of being connected stick 2 at adapter 1 and prefabricated stick, it is preferential will be the bulb 22 part of stick top through the flat push groove 4 push into second pore 12 and fall into in annular lug 6, prefabricated stick passes through the bolt and is fixed with adapter 1's first pore 11 to the middle part of stick 2, when bulb 22 and bolt all take place the damage, will move up the stick and make reducing boss 21 card on it go into in two breach 7 of annular lug 6, in order to reach dual protection, the probability of changing whole prefabricated stick to stick 2 has been reduced.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Various other modifications and alterations will occur to those skilled in the art upon reading the foregoing description. And are neither required nor exhaustive of all embodiments. And obvious changes and modifications can be made without departing from the scope of the invention.
Claims (10)
1. An optical fiber preform suspension apparatus, comprising:
the adapter is provided with a first pore passage at one end, and a second pore passage is also arranged in the adapter and communicated with the first pore passage;
the prefabricated stick is provided with a reducing boss, and the reducing boss is clamped in the second hole channel;
the first plug pin holes are symmetrically arranged at one end of the adapter in two groups and are communicated with the first pore channel;
and the second bolt holes are arranged on the preform rod in two groups, and bolts are clamped in the second bolt holes and the first bolt holes.
2. The optical fiber preform suspension apparatus of claim 1, wherein: the other end of adapter is provided with the third pore, the third pore inside callipers is equipped with prefabricated stick and hangs the stick.
3. The optical fiber preform suspension apparatus of claim 2, wherein: the adapter is provided with third bolt hole, third bolt hole with third hole way intercommunication, the prefabricated stick is provided with the fourth bolt hole, the fourth bolt hole with the downthehole card of third bolt is equipped with the bolt.
4. The optical fiber preform suspension apparatus of claim 1, wherein: the diameter of the second pore canal is larger than that of the first pore canal, and the joint of the second pore canal and the first pore canal is an annular carrying platform.
5. The suspension apparatus for an optical fiber preform according to claim 4, wherein: one end of the preform rod is connected with the optical fiber preform body, and the other end of the preform rod is provided with a ball head which is in contact with the annular carrying platform.
6. The optical fiber preform suspension apparatus of claim 5, wherein: and an annular convex block for limiting the displacement of the ball head is arranged on the annular carrying platform.
7. The optical fiber preform suspension apparatus of claim 1, wherein: the reducing boss is two long blocks symmetrically arranged on the handle bar of the prefabricated bar.
8. The suspension apparatus for an optical fiber preform according to claim 6, wherein: the annular lug is symmetrically provided with two notches, and the sizes of the two notches are matched with the reducing boss.
9. The optical fiber preform suspension apparatus of claim 1, wherein: the adapter is provided with the flat groove that pushes away, the flat groove intercommunication first pore with the second pore.
10. The suspension apparatus for an optical fiber preform according to claim 5, wherein: the length of the first hole passage is larger than the distance from the reducing boss to the ball head, and the diameter of the first hole passage is larger than the diameter of the handle rod of the prefabricated rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220563124.0U CN217732975U (en) | 2022-03-14 | 2022-03-14 | Optical fiber perform linkage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220563124.0U CN217732975U (en) | 2022-03-14 | 2022-03-14 | Optical fiber perform linkage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217732975U true CN217732975U (en) | 2022-11-04 |
Family
ID=83815677
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220563124.0U Active CN217732975U (en) | 2022-03-14 | 2022-03-14 | Optical fiber perform linkage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217732975U (en) |
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2022
- 2022-03-14 CN CN202220563124.0U patent/CN217732975U/en active Active
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