CN114325944B - Fixing device for light source illumination module of fusion splicer - Google Patents
Fixing device for light source illumination module of fusion splicer Download PDFInfo
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- CN114325944B CN114325944B CN202111502345.3A CN202111502345A CN114325944B CN 114325944 B CN114325944 B CN 114325944B CN 202111502345 A CN202111502345 A CN 202111502345A CN 114325944 B CN114325944 B CN 114325944B
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- 230000004927 fusion Effects 0.000 title abstract description 17
- 238000005286 illumination Methods 0.000 title abstract description 8
- 238000003466 welding Methods 0.000 claims abstract description 12
- 238000003825 pressing Methods 0.000 claims description 11
- 230000000903 blocking effect Effects 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 3
- 239000013307 optical fiber Substances 0.000 abstract description 9
- 238000007526 fusion splicing Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 238000003384 imaging method Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
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- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The invention discloses a fixing device of a light source lighting module of a welding machine, which comprises a fixing base and a light source lighting module; the outer end of the light source lighting module is provided with a windshield; one end of the light source lighting module and one end of the windshield are both rotationally connected with the fixed base; a first limiting block is arranged on the end face of the light source lighting module facing the fixed base; the end face of the fixed base, which faces the light source illumination module, is provided with a second limiting block; when the windshield rotates to be buckled on the fixed base, the bottom end face of the first limiting block is attached to the top end face of the second limiting block to realize rotation limiting of the light source lighting module. According to the invention, when the bottom end surface of the first limiting block in the light source lighting module rotates to be overlapped with the top end surface of the second limiting block in the fixed base, the light source lighting module is in a horizontal state and can not rotate continuously, so that the angle of the light source lighting module is kept unchanged when the light source lighting module rotates to fall on the fixed base each time, and the low loss of optical fiber fusion is further ensured.
Description
Technical Field
The invention belongs to the technical field of fusion splicers, and particularly relates to a fixing device for a light source illumination module of a fusion splicer.
Background
In the process of optical fiber fusion welding by using a fusion splicer, the lower the fusion splicing loss is, the better the fusion splicing loss is, in order to realize the fusion splicing quality or effect with low loss, the imaging of the optical fibers to be fused on the two sides is required to be clear and stable, the thickness of the optical fibers displayed on the liquid crystal screen is required to be uniform, and the imaging effect is required to be obtained, so that the angle of a light source illumination module in the fusion splicer is required to be kept unchanged when the light source illumination module rotates each time and falls on a fixed base.
However, the fixing device of the light source lighting module in the existing fusion splicer cannot ensure that the angle of the light source lighting module is kept unchanged when the light source lighting module falls onto the fixing base every time the light source lighting module rotates, so that low loss in optical fiber fusion splicing cannot be ensured.
Accordingly, there is a need for further improvements in the art.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide a fixing device for a light source lighting module of a welding machine.
In order to achieve the above purpose, the invention adopts the following technical scheme:
A fixing device of a light source lighting module of a welding machine comprises a fixing base and a light source lighting module;
the outer end of the light source lighting module is provided with a windshield;
one end of the light source lighting module and one end of the windshield are rotationally connected with the fixed base;
a first limiting block is fixedly arranged on the end face, facing the fixed base, of the light source lighting module; a second limiting block is fixedly arranged on the end face of the fixed base, facing the light source lighting module;
The light source lighting module rotates along with the windshield, and when the windshield rotates to be buckled on the fixed base, the bottom end face of the first limiting block is attached to the top end face of the second limiting block to realize rotation limiting of the light source lighting module.
Preferably, the light source lighting module comprises a main module for installing the LED lamp, and limit pieces are symmetrically arranged on two sides of the main module;
the two sides of the rotating end of the main module are symmetrically provided with first rotating cylinders;
one end of the limiting piece is fixedly provided with a second rotating cylinder which is coaxial with the first rotating cylinder, and the other end of the limiting piece is connected with the inner end of the windshield.
Preferably, the wind shield is symmetrically provided with two rotating holes;
the first rotating cylinder and the second rotating cylinder are positioned between the two rotating holes and are coaxially arranged.
Preferably, two sides of the rear end of the second limiting block on the fixed base are symmetrically provided with connecting plates, and the connecting plates are provided with connecting holes;
the two rotating holes are positioned between the two connecting plates;
the first rotating cylinder, the second rotating cylinder, the rotating hole and the connecting hole which are coaxially arranged are in rotating fit.
Preferably, a rotating shaft is fixedly arranged in each connecting hole, and the rotating shaft is in rotary connection with the second rotary cylinder and the first rotary cylinder at the corresponding sides.
Preferably, the rotating shaft and the connecting hole are fixedly connected through a first fastening screw, and the central axis of the first fastening screw is perpendicular to the central axis of the connecting hole.
Preferably, the limiting piece is connected with the windshield through a blocking component;
the blocking component comprises a baffle; the baffle comprises a step sliding block with a wide upper part and a narrow lower part, a first spring groove is formed in the top of the wide end of the step sliding block, and an adjusting sliding block is arranged at the lower part of the front side surface of the narrow end of the step sliding block;
stepped sliding grooves with wide upper part and narrow lower part are symmetrically arranged on two sides of the inner end of the windshield; the top of the wide end of the stepped sliding groove is provided with a second spring groove, and the bottom of the narrow end of the stepped sliding groove is in a through state;
The step sliding blocks in the baffle are in sliding fit with the step sliding grooves on the corresponding sides, and springs are arranged in the corresponding first spring grooves and the corresponding second spring grooves; the front side of the baffle is provided with a pressing plate for preventing the baffle from falling out of the stepped sliding groove, the pressing plate is connected with the windshield through a second fastening bolt, and the bottom end of the pressing plate is provided with an adjusting sliding groove which extends upwards and is used for being matched with the adjusting sliding block;
When the narrow end of the step sliding block in the stop block slides out of the step sliding groove, the narrow end of the step sliding block clamps the end part of the limiting piece between the step sliding block and the windshield.
Preferably, the middle parts of the two first rotating cylinders are provided with rotating shaft seats;
The bottom end of the rotating shaft seat is connected with the fixed base;
The upper portion of pivot seat is provided with the coaxial first through-hole of and first rotary cylinder, the inner wall surface bottom of first through-hole is provided with the second through-hole that link up to pivot seat bottom end face.
The beneficial effects of the invention are as follows:
According to the invention, when the windshield rotates to be buckled on the fixed base, the bottom end face of the first limiting block is attached to the top end face of the second limiting block to realize the rotation limiting of the light source lighting module, and the light source lighting module can not rotate continuously, so that the angle of the light source lighting module is kept unchanged when the light source lighting module falls on the fixed base after each rotation, and the low loss of optical fiber fusion is further ensured.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application.
FIG. 1 is a schematic view of a light source lighting module fixing device of a fusion splicer according to the present invention;
FIG. 2 is an exploded view of the assembly of the fixture of the light source lighting module of the fusion splicer of the present invention;
FIG. 3 is a schematic view of the fit between the windshield and the light source lighting module of the present invention;
FIG. 4 is a schematic view of the structure of the baffle plate of the present invention;
FIG. 5 is a schematic view of a structure of a rotating shaft seat according to the present invention;
FIG. 6 is a schematic view of the structure of the fixing device of the light source lighting module of the welding machine when the windshield is rotated to be buckled on the fixing base;
FIG. 7 is a schematic view of the relationship between the light source lighting module and the fixed base when the windshield is rotated to be buckled on the fixed base in the fixing device of the light source lighting module of the welding machine;
Wherein:
The light source lighting module comprises a 1-light source lighting module, a 101-main module, a 102-first rotating cylinder, a 2-rotating shaft, a 3-second limiting block, a 4-fixed base, a 5-rotating shaft seat, a 501-first through hole, a 502-second through hole, a 6-connecting plate, a 601-connecting hole, a 7-windshield, a 701-rotating hole, a 702-step sliding groove, a 703-second spring groove, an 8-bearing, a 9-first fastening screw, a 10-first limiting block, a 11-baffle, a 1101-step sliding block, a 1102-first spring groove, a 1103-adjusting sliding block, a 12-spring, a 13-pressing plate, a 1301-adjusting sliding groove, a 14-limiting piece, a 1401-second rotating cylinder and a 15-second fastening bolt.
Detailed Description
It should be noted that the following detailed description is illustrative and is intended to provide further explanation of the application. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
In the present invention, the terms such as "upper", "lower", "bottom", "top", and the like refer to the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are merely relational terms used for convenience in describing the structural relationships of the various components or elements of the present invention, and are not meant to designate any one component or element of the present invention, and are not to be construed as limiting the present invention.
In the present invention, terms such as "connected," "connected," and the like are to be construed broadly and mean either fixedly connected or integrally connected or detachably connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the terms in the present invention can be determined according to circumstances by a person skilled in the relevant art or the art, and is not to be construed as limiting the present invention.
The invention will be further described with reference to the drawings and examples.
Example 1:
As shown in fig. 1-2, a fixing device for a light source illumination module of a fusion splicer comprises a fixing base 4 and a light source illumination module 1;
The outer end of the light source lighting module 1 is provided with a windshield 7;
One end of the light source lighting module 1 and one end of the windshield 7 are rotatably connected with the fixed base 4;
a first limiting block 10 is fixedly arranged on the end surface of the light source lighting module 1 facing the fixed base 4; the end face of the fixed base 4 facing the light source lighting module 1 is fixedly provided with a second limiting block 3;
The light source lighting module 1 rotates along with the windshield 7, as shown in fig. 6-7, when the windshield 7 rotates to be buckled on the fixed base 4, the bottom end surface of the first limiting block 10 is attached to the top end surface of the second limiting block 3 to realize rotation limiting of the light source lighting module 1, and at the moment, the light source lighting module 1 cannot continue to rotate downwards; specifically, when the bottom end surface of the first limiting block 10 is attached to the top end surface of the second limiting block 3, the light source lighting module 1 rotates to be in a horizontal state, so that the fixing device can keep the angle of the light source lighting module 1 unchanged when the light source lighting module falls onto the fixing base 4 after each rotation through the arrangement of the first limiting block 10 and the second limiting block 3, and further low loss during optical fiber fusion is guaranteed.
Preferably, the light source lighting module 1 includes a main module 101 for mounting an LED lamp, and two sides of the main module 101 are symmetrically provided with limiting members 14;
a first rotating cylinder 102 is symmetrically arranged at two sides of the rotating end of the main module 101;
One end of the limiting piece 14 is fixedly provided with a second rotating cylinder 1401 which is coaxial with the first rotating cylinder 102, and the other end of the limiting piece 14 is connected with the inner end of the windshield 7.
Preferably, two rotating holes 701 are symmetrically arranged on the windshield 7;
The first rotary cylinder 102 and the second rotary cylinder 1401 are coaxially disposed between the two rotary holes 701.
Preferably, two sides of the rear end of the second limiting block 3 on the fixed base 4 are symmetrically provided with a connecting plate 6, and the connecting plate 6 is provided with a connecting hole 601;
Two rotation holes 701 are located between the two connection plates 6;
The first rotary cylinder 102, the second rotary cylinder 1401, the rotary hole 701, and the connection hole 601, which are coaxially disposed, are in rotary fit.
Preferably, a rotating shaft 2 is fixedly arranged in each connecting hole 601, and the rotating shaft 2 is rotationally connected with the second rotating cylinder 1401 and the first rotating cylinder 102 on the corresponding sides.
Specifically, the rotary shaft 2 is rotatably connected to the second rotary cylinder 1401 and the first rotary cylinder 102 on the respective sides via bearings 8.
Preferably, the rotating shaft 2 and the connecting hole 601 are fixedly connected through a first fastening screw 9, and the central axis of the first fastening screw 9 is perpendicular to the central axis of the connecting hole 601.
Example 2:
on the basis of the embodiment 1, the limiting piece 14 is connected with the windshield 7 through a blocking component;
As shown in fig. 3, the catch assembly includes a baffle 11; as shown in fig. 4, the baffle 11 includes a step slider 1101 having a wide upper part and a narrow lower part; a first spring groove 1102 is formed in the top of the wide end of the step sliding block 1101, and an adjusting sliding block 1103 is arranged at the lower part of the front side surface of the narrow end of the step sliding block 1101;
Stepped sliding grooves 702 with wide upper part and narrow lower part are symmetrically arranged on two sides of the inner end of the windshield 7; the top of the wide end of the step sliding groove 702 is provided with a second spring groove 703, and the bottom of the narrow end of the step sliding groove 702 is in a penetrating state, so that the narrow end of the step sliding block 1101 is allowed to slide;
The step sliding blocks 1101 in the baffle 11 are in sliding fit with the step sliding grooves 702 on the corresponding sides, and springs 12 are arranged in the corresponding first spring grooves 1102 and second spring grooves 703; the front side of the baffle 11 is provided with a pressing plate 13 for preventing the baffle 11 from falling out of the stepped sliding groove 702, the pressing plate 13 is connected with the windshield 7 through a second fastening bolt 15, and the bottom end of the pressing plate 13 is provided with an adjusting sliding groove 1301 which extends upwards and is used for being matched with the adjusting sliding block 1103;
When the spring 12 urges the narrow end of the step slider 1101 in the stopper 11 to slide out of the step chute 702, the narrow end of the step slider 1101 catches the end of the stopper 14 between the step slider 1101 and the windshield 7.
Example 3:
on the basis of embodiment 1 or embodiment 2, the middle parts of the two first rotating drums 102 are provided with rotating shaft seats 5;
the bottom end of the rotating shaft seat 5 is connected with the fixed base 4;
As shown in fig. 5, a first through hole 501 coaxial with the first rotary cylinder 102 is provided at the upper part of the rotary shaft seat 5, and a second through hole 502 penetrating to the bottom end surface of the rotary shaft seat 5 is provided at the bottom of the inner wall surface of the first through hole 501.
The cables inside the light source lighting module 1 pass through the first through holes 501 and the second through holes 502 in the rotating shaft seat 5 and enter the fixed base 4.
A fixing device for a light source lighting module of a fusion splicer comprises the following assembly processes:
respective bearings 8 are installed in the first rotary cylinder 102 and the second rotary cylinder 1401;
Placing two rotating holes 701 of the windshield 7 between the two connecting plates 6, and placing a first rotating cylinder 102 and a second rotating cylinder 1401 after mounting the bearing 8 between the two rotating holes 701; coaxially aligning the connecting hole 601, the rotating hole 701, the first rotating cylinder 102 and the second rotating cylinder 1401, installing the rotating shaft 2 in the aligned connecting hole 601, the rotating hole 701, the first rotating cylinder 102 and the second rotating cylinder 1401, and realizing the fixed connection between the rotating shaft 2 and the connecting plate 6 through the first fastening bolt 9, so that the fixing device is ensured not to loose after long-time rotation; thereby realizing the running fit of the windshield 7, the light source lighting module 1 and the fixed base 1;
then, a stop block 11 and a spring 12 are assembled in the stepped chute 702 of the windshield 7, and the pressing plate 13 is mounted on the front side of the baffle 11 through a second fastening bolt 15;
Subsequently, the adjusting slider 1103 is manually slid up the adjusting chute 1301, the baffle 11 is slid up the stepped chute 702 to compress the spring 12, and then the stopper 14 is rotated together with the main module 101 to abut against the inner end of the windshield 7; then the hand is released, the baffle 11 slides downwards under the action of the elasticity of the spring 12, and finally the bottom end of the baffle 11 slides out from the bottom end of the step sliding groove 702 to clamp and block the end part of the limiting piece 14 between the step sliding block 1101 and the windshield 7; in this way, the windshield 7 is connected to the light source lighting module 1, i.e. the windshield 7 drives the light source lighting module 1 to rotate about the swivel axis 2 relative to the fixed base 4.
According to the application, the light source lighting module 1 rotates along with the windshield 7, when the windshield 7 rotates to be buckled on the fixed base 4, the bottom end face of the first limiting block 10 is attached to the top end face of the second limiting block 3 to limit the rotation of the light source lighting module 1, and at the moment, the light source lighting module 1 cannot continuously rotate downwards, so that the angle of the light source lighting module 1 is kept unchanged when the light source lighting module falls on the fixed base 4 every time of rotation, and further, the low loss during optical fiber fusion is ensured. In addition, when the bottom end surface of the first limiting block 10 is attached to the top end surface of the second limiting block 3, the light source lighting module 1 in the application can be rotated to a horizontal state, so that the light source lighting module 1 can keep the horizontal state unchanged when falling onto the fixed base 4 every time of rotation, and further, the low loss during optical fiber fusion is ensured.
The parts not described in the invention can be realized by adopting or referring to the prior art.
While the foregoing is directed to embodiments of the present invention, other and further embodiments of the invention may be devised without departing from the basic scope thereof, and the scope thereof is determined by the claims that follow.
Claims (6)
1. A fixing device of a light source lighting module of a welding machine comprises a fixing base and a light source lighting module; it is characterized in that the method comprises the steps of,
The outer end of the light source lighting module is provided with a windshield;
one end of the light source lighting module and one end of the windshield are rotationally connected with the fixed base;
a first limiting block is fixedly arranged on the end face, facing the fixed base, of the light source lighting module; a second limiting block is fixedly arranged on the end face of the fixed base, facing the light source lighting module;
The light source lighting module rotates along with the windshield, and when the windshield rotates to be buckled on the fixed base, the bottom end face of the first limiting block is attached to the top end face of the second limiting block to limit the rotation of the light source lighting module;
The light source lighting module comprises a main module for installing the LED lamp, and limiting pieces are symmetrically arranged on two sides of the main module;
the two sides of the rotating end of the main module are symmetrically provided with first rotating cylinders;
one end of the limiting piece is fixedly provided with a second rotating cylinder coaxial with the first rotating cylinder, and the other end of the limiting piece is connected with the inner end of the windshield;
the limiting piece is connected with the windshield through a blocking component;
the blocking component comprises a baffle; the baffle comprises a step sliding block with a wide upper part and a narrow lower part, a first spring groove is formed in the top of the wide end of the step sliding block, and an adjusting sliding block is arranged at the lower part of the front side surface of the narrow end of the step sliding block;
stepped sliding grooves with wide upper part and narrow lower part are symmetrically arranged on two sides of the inner end of the windshield; the top of the wide end of the stepped sliding groove is provided with a second spring groove, and the bottom of the narrow end of the stepped sliding groove is in a through state;
The step sliding blocks in the baffle are in sliding fit with the step sliding grooves on the corresponding sides, and springs are arranged in the corresponding first spring grooves and the corresponding second spring grooves; the front side of the baffle is provided with a pressing plate for preventing the baffle from falling out of the stepped sliding groove, the pressing plate is connected with the windshield through a second fastening bolt, and the bottom end of the pressing plate is provided with an adjusting sliding groove which extends upwards and is used for being matched with the adjusting sliding block;
When the narrow end of the step sliding block in the stop block slides out of the step sliding groove, the narrow end of the step sliding block clamps the end part of the limiting piece between the step sliding block and the windshield.
2. The welding machine light source lighting module fixing device as set forth in claim 1, wherein two rotating holes are symmetrically arranged on the windshield;
the first rotating cylinder and the second rotating cylinder are positioned between the two rotating holes and are coaxially arranged.
3. The welding machine light source lighting module fixing device according to claim 2, wherein connecting plates are symmetrically arranged on two sides of the rear end of the second limiting block on the fixing base, and connecting holes are formed in the connecting plates;
the two rotating holes are positioned between the two connecting plates;
the first rotating cylinder, the second rotating cylinder, the rotating hole and the connecting hole which are coaxially arranged are in rotating fit.
4. A welding machine light source lighting module fixing device as defined in claim 3, wherein a rotating shaft is fixedly arranged in each connecting hole, and the rotating shaft is rotationally connected with the second rotating cylinder and the first rotating cylinder at the corresponding sides.
5. The welding machine light source lighting module fixing device as set forth in claim 4, wherein said rotating shaft is fixedly connected with said connection hole by a first fastening screw having a central axis perpendicular to a central axis of said connection hole.
6. The welding machine light source lighting module fixing device according to any one of claims 2 to 5, wherein the middle parts of the two first rotating drums are provided with rotating shafts seats;
The bottom end of the rotating shaft seat is connected with the fixed base;
The upper portion of pivot seat is provided with the coaxial first through-hole of and first rotary cylinder, the inner wall surface bottom of first through-hole is provided with the second through-hole that link up to pivot seat bottom end face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111502345.3A CN114325944B (en) | 2021-12-10 | 2021-12-10 | Fixing device for light source illumination module of fusion splicer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111502345.3A CN114325944B (en) | 2021-12-10 | 2021-12-10 | Fixing device for light source illumination module of fusion splicer |
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| Publication Number | Publication Date |
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| CN114325944A CN114325944A (en) | 2022-04-12 |
| CN114325944B true CN114325944B (en) | 2024-04-23 |
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| CN202111502345.3A Active CN114325944B (en) | 2021-12-10 | 2021-12-10 | Fixing device for light source illumination module of fusion splicer |
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| CN205504688U (en) * | 2016-04-07 | 2016-08-24 | 蚌埠道生精密光电科技有限公司 | Optical fiber splicer LED lamp adjusting device |
| CN205787218U (en) * | 2016-05-31 | 2016-12-07 | 深圳市中为光通信技术有限公司 | A kind of optical fiber splicer contact separation electric supply installation |
| CN205982730U (en) * | 2016-08-27 | 2017-02-22 | 浙江蚂蚁精密科技有限公司 | High -efficient clean and tidy type optical fiber splicer |
| CN206594336U (en) * | 2016-12-07 | 2017-10-27 | 一诺仪器（中国）有限公司 | A kind of fusing operation portion windproof structure of optical fiber splicer |
| CN107976742A (en) * | 2017-11-28 | 2018-05-01 | 华兴新锐通信科技集团有限公司 | It is a kind of that there is the optical fiber splicer of exterior lighting |
| CN207730978U (en) * | 2017-12-21 | 2018-08-14 | 广东金木水火土实业有限公司 | A kind of environment-friendly optical fiber heat sealing machine |
| CN208588837U (en) * | 2018-07-03 | 2019-03-08 | 浙江蓝客智能科技有限公司 | A kind of optical fiber splicer with wind-shielding function |
| KR102086429B1 (en) * | 2018-08-29 | 2020-03-09 | 솔텍인포넷 주식회사 | Optical fiber interface adapter being capable of horizontalizing optical fiber |
| JP2020071304A (en) * | 2018-10-30 | 2020-05-07 | 古河電気工業株式会社 | Fusion machine |
| CN208999602U (en) * | 2018-11-26 | 2019-06-18 | 佛山昕宇飞通通信科技有限公司 | A kind of optical fiber splicer upper cover disjunctor linking rod structure |
| CN109633819A (en) * | 2018-12-13 | 2019-04-16 | 中电科仪器仪表(安徽)有限公司 | A kind of optical fiber splicer and its welding process |
| CN110488419A (en) * | 2019-09-26 | 2019-11-22 | 南京迪威普光电技术股份有限公司 | A kind of optical fiber welding terminal of two-dimensional imaging |
| CN214122524U (en) * | 2021-01-27 | 2021-09-03 | 北京华兴新锐科技发展有限公司 | A prevent wind lid connection structure for optical fiber splicer |
| CN113176632A (en) * | 2021-03-31 | 2021-07-27 | 季锋 | Optical fiber splicer is with preventing wind subassembly and optical fiber splicer |
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