CN2522893Y - Optical fiber fixing device - Google Patents
Optical fiber fixing device Download PDFInfo
- Publication number
- CN2522893Y CN2522893Y CN 01258017 CN01258017U CN2522893Y CN 2522893 Y CN2522893 Y CN 2522893Y CN 01258017 CN01258017 CN 01258017 CN 01258017 U CN01258017 U CN 01258017U CN 2522893 Y CN2522893 Y CN 2522893Y
- Authority
- CN
- China
- Prior art keywords
- fixing device
- optic fibre
- optical fiber
- fibre fixing
- base plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model relates to an optical fiber fixing device which can fix an optical fiber in the device and is installed in the round hole of a base board. The utility model comprises a main body and an elastic gasket, wherein the main body comprises a fixing element and a rotating element; the fixing element further comprises a U-shaped rack and a press board; the rotating element further comprises an installing table, a rotating axis, a clamping groove and a baffle. The optical fiber is installed in an accepting space formed by the U-shaped rack and the press board, and the fixing element is fixedly connected to the rotating element. In addition, the main body is supported on the flat surface of the base board by the installing table; the rotating axis under the main body is accepted in the round hole of the base board, and the rotating axis can rotate freely relative to the base board. The elastic gasket is buckled in the clamping groove to install the main body on the base board.
Description
[technical field]
The utility model is about a kind of optic fibre fixing device, especially refers to a kind of optic fibre fixing device to avoid the optical fiber overbend or to pull apart free to rotate.
[background technology]
Optical fiber be optical communication network important composition partly, optic fibre fixing device is fixing optical fiber, optical cable in its placement of route and installation end with constraint and arrangement optical fiber.Common optic fibre fixing device fixing optical fiber is in a specific direction, and when optical fiber installation end change in location, then the fibre-optical bending angle may increase.And optical fiber mostly is materials such as quartz glass, and is fragile and be easy to crackedly, and it is outer and produce bigger bending loss that the optical fiber overbend will cause a large amount of optical signals fibre cores to leak to optical fiber, even cause the fibre core fracture.So optic fibre fixing device needs in the time of effective fixing, the overbend that prevents optical fiber is to guarantee the signal normal transmission.
Existing fiber stationary installation part mostly is traditional electric wire or cable fixture, as United States Patent (USP) the 5th, 149, disclosed a kind of insertion buckle-type holder that is installed on substrate for No. 027, comprise a cover plate and a plurality of installation foot, this installation foot is buckled on the substrate, and cable passes and is immobilizated in the formed space of installation foot and cover plate and substrate, and each installation foot comprises that further a plurality of locating pieces are used to adjust between cover plate and substrate highly to adapt to the fixing of different size cable.Yet, but though the cable fixer fixing varying number that this patent disclosed and the cable of specification, but the cable fixing direction of this holder is fixing, therefore be only applicable to general electric wire, for optical fiber, during the position change of optical fiber link, this holder is difficult to change angle thereupon, thereby may cause bigger bending loss because of overbend, even optical fiber is cracked.
Another kind of optic fibre fixing device sees also United States Patent (USP) the 5th, 530, and No. 785, the optic fibre fixing device of its announcement is made up of two retaining components, a substrate and latching system.This two retaining component further comprises a retaining component and sliding members, they include a half-cylindrical holding parts and a tabular installation portion, optical fiber is immobilizated in the formed space of two holding parts, the installation portion of this retaining component is fixed on the substrate, the installation portion of this sliding members can slide along the chute of substrate, to adapt to the optical fiber of various outer diameter, this latching system is used for this sliding members of fixing with the spacing of adjusting sliding members and retaining component.Though the optical fiber of this optic fibre fixing device energy fixing different size, this design can only be in a fixed-direction fixing optical fiber, so the caused fibre-optical bending problem of still unresolved optical fiber link change in location.
In view of this, provide a kind of optic fibre fixing device, its fixing direction that can change optical fiber according to the link change in location of optical fiber is very necessary with the transition bending that reduces optical fiber.
[summary of the invention]
The purpose of this utility model is to provide a kind of optic fibre fixing device that rotates freely, thereby when planning optical fiber route, can correspondingly change the fixing direction of optical fiber to reduce the degree of crook of optical fiber.
The purpose of this utility model is achieved in that provides a kind of optic fibre fixing device, is installed in the circular hole of a base plate, comprises a main body and elastomeric pad.This main body comprises a retaining component and pivoted member, and wherein, this retaining component further comprises a U-shaped frame and a pressing plate, and this slewing equipment further comprises an erecting bed, single-revolution axle and draw-in groove.Optical fiber is installed in U-shaped frame and the formed receiving space of pressing plate, erecting bed is used to support retaining component in base plate plane, the revolving shaft of its below is contained in the circular hole of base plate, and elastomeric pad is snapped in the draw-in groove with further installation optic fibre fixing device on base plate.
Compare with existing optic fibre fixing device, the utlity model has following advantage: it can freely rotate relative to base plate, thereby the fixing direction that can change optical fiber is reducing the degree of crook of optical fiber, and then ensures the stable transfer of signal in the optical fiber.
[description of drawings]
Fig. 1 is the constitutional diagram of the utility model optic fibre fixing device.
Fig. 2 is the decomposition view of the utility model optic fibre fixing device and base plate.
Fig. 3 is the decomposition view of another angle of base plate of the utility model optic fibre fixing device.
Fig. 4 is that the utility model optic fibre fixing device is installed on the part assembly drawing on the base plate.
Fig. 5 is the stereographic map behind the utility model optic fibre fixing device fixing optical fiber (cable).
[embodiment]
See also Fig. 1, the utility model optic fibre fixing device 9 is installed on the base plate 2, comprises the annular resilient pad 3 of a main body 1 and a tool one breach.But the utility model optic fibre fixing device 9 fixing optical cables also can be used for the optical fiber of fixing pine sleeve pipe (Loose Tube) parcel in wherein.
Seeing also Fig. 2, is the three-dimensional exploded view of the utility model optic fibre fixing device and base plate, arranges on this base plate 2 that a circular hole 21 is to install optic fibre fixing device 9 (detailed aftermentioned).This base plate 2 can adopt traditional mechanical method fixation in photoelectric communication equipment, also can be the some of photoelectric communication apparatus casing.
This main body 1 further comprises a retaining component 11 and pivoted member 12, this retaining component 11 comprises a U-shaped frame 111 and pressing plate 112, this U-shaped frame 111 further comprises a underframe 113 and two side 114,115, this sidewall 114,115 extends upward relatively from underframe 113 two ends, sidewall 114 bends inwards at top end and forms a spring bearer plate 112, sidewall 115 also is bent to form a kink 118 in the top end level to sidewall 114, this U-shaped frame 111 and pressing plate 112 form a receiving space 117 with up-winding fiber 4 (please refer to Fig. 5) in wherein.In addition, kink 118 and pressing plate 112, are used for guiding fiber 4 (please refer to Fig. 5) and enter receiving space 117 smoothly to form an opening 116 at a distance of a segment distance.
Please consult Fig. 3 simultaneously, this pivoted member 12 comprises the round table-like baffle plate 124 of a disc erecting bed 121, a column revolving shaft 122 and a tool breach.Wherein, this revolving shaft 122 is to extend downwards from the bottom surface of erecting bed 121, and this baffle plate 124 is positioned at the below of revolving shaft 122, offers breach 125 on it, and this baffle plate 124 and revolving shaft 122 form a draw-in groove 123 therebetween, are used to accommodate elastomeric pad 3 (detailed aftermentioned).In addition, the external diameter of revolving shaft 122 is slightly less than the aperture of circular hole 21, so that be installed on (detailed aftermentioned) in the circular hole 21 of base plate 2, the outside dimension of erecting bed 121 is bigger than revolving shaft 122, so form a cascaded surface in the junction, thereby supportive body 1 (detailed aftermentioned) on base plate 2.And retaining component 11 is to be fixed on the erecting bed 121 of pivoted member 12 by underframe 113, and this retaining component 11 can be one-body molded by metal or plastic material with pivoted member 12.
This elastomeric pad 3 further comprises both ends circular hole 31 in the place, two ends, and the outside dimension of this elastomeric pad 3 is greater than the aperture of the circular hole 21 of base plate 2.
Please consult Fig. 4 simultaneously, during assembling, the revolving shaft 122 of pivoted member 12 inserts in the circular hole 21 of base plate 2 earlier, and then elastomeric pad 3 is snapped in the draw-in groove 123 to finish assembling.Wherein, these erecting bed 121 supportive bodies 1 are on base plate 2, and the revolving shaft 122 of its downside is contained in the circular hole 21 of base plate 2, and base plate 2 freely turns round relatively.In addition, after in the circular hole 21 of revolving shaft 122 insertion base plates 2, elastomeric pad 3 will be fastened in the draw-in groove 123, and then base plate 2 will be held between erecting bed 121 and the elastomeric pad 3.And the end circular hole 31 of elastomeric pad 3 is arranged in breach 125 tops of draw-in groove 123, baffle plate 124, so as when dismounting can by these breach 125 places seize both ends circular hole 31 on both sides by the arms and from draw-in groove 123 this elastomeric pad 3 of convenient dismounting.And the axial dimension of revolving shaft 122 is slightly larger than the thickness of base plate 2, so the gap of elastomeric pad 3 and erecting bed 121 only is slightly larger than the thickness of base plate 2, so that main body 1 stable being installed on the base plate 2, and free to rotate.
See also Fig. 5, optical fiber 4 is installed in the receiving space 117 of pressing plate 112 and 111 formation of U-shaped frame by the opening 116 of optic fibre fixing device 9.Optical fiber 4 inwardly is pressed into along opening 116 earlier, pressing plate 112 is bent downwardly under external force, so that optical fiber 4 is entered in the U-shaped frame 111 by opening 116, the lower end of pressing plate 112 can be pressed on the optical fiber 4 with fixing optical fiber 4 in pressing plate 112 and U-shaped frame 111 formed receiving spaces 117, and pressing plate 112 can stop and prevent to eject from optic fibre fixing device 9 under optical fiber 4 fortuitous events.Because of pressing plate 112 has elasticity, the size of receiving space 117 also can change thereupon, so optic fibre fixing device 9 can be used for accommodating the optical fiber or the optical cable of varying number and specification, and, the physical dimension of the retaining component 11 of the utility model optic fibre fixing device 9, also can be used for optical fiber, the quantity of optical cable, the specification of accommodating and design, thereby realize the preferable retention effect of optic fibre fixing device 9 under different situations according to it.In addition, because of this optic fibre fixing device 9 relatively base plate 2 freely turn round, if the placement of route of optical fiber 4 changes, perhaps optical fiber 4 connected the installation end position change time, the optical cable fixing direction of this optic fibre fixing device 9 also can change thereupon, preventing that the wide-angle bending from appearring in optical fiber 4, thereby reduce bending loss, and avoid fibercuts.
Claims (10)
1. optic fibre fixing device, be installed on the hole of a base plate, comprise a retaining component, but fixing optical fiber is in wherein, it is characterized in that: this optic fibre fixing device also comprises the single-revolution element, and this pivoted member is connected mutually with retaining component, and it further comprises the single-revolution axle, this revolving shaft is installed in the hole of base plate, and this retaining component base plate relatively freely turns round.
2. optic fibre fixing device as claimed in claim 1, it is characterized in that this retaining component further comprises at least one U-shaped frame and pressing plate, this pressing plate and U-shaped frame form a receiving space, and optical fiber is to be installed in this receiving space, and this U-shaped frame further comprises a underframe and two side.
3. optic fibre fixing device as claimed in claim 2 is characterized in that this pressing plate can stop that optical fiber ejects from optic fibre fixing device.
4. optic fibre fixing device as claimed in claim 1 is characterized in that this retaining component and pivoted member are one-body molded, and this base plate can be the some of photoelectric communication apparatus casing.
5. optic fibre fixing device as claimed in claim 1 is characterized in that this pivoted member also comprises an erecting bed and a draw-in groove.
6. optic fibre fixing device as claimed in claim 5 is characterized in that this erecting bed is supported on the base plate.
7. optic fibre fixing device as claimed in claim 5 is characterized in that this optic fibre fixing device also comprises an Elastic buckle element, and this Elastic buckle element is fastened in the draw-in groove.
8. optic fibre fixing device as claimed in claim 7, the physical dimension that it is characterized in that this erecting bed and Elastic buckle element are all greater than the hole of base plate.
9. optic fibre fixing device as claimed in claim 8 is characterized in that this erecting bed and Elastic buckle element clamping base plate are in the centre.
10. optic fibre fixing device as claimed in claim 7 is characterized in that this Elastic buckle element has a breach, and its place, two ends offers circular hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01258017 CN2522893Y (en) | 2001-11-12 | 2001-11-12 | Optical fiber fixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01258017 CN2522893Y (en) | 2001-11-12 | 2001-11-12 | Optical fiber fixing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2522893Y true CN2522893Y (en) | 2002-11-27 |
Family
ID=33666666
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01258017 Expired - Fee Related CN2522893Y (en) | 2001-11-12 | 2001-11-12 | Optical fiber fixing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2522893Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101826688B (en) * | 2009-03-06 | 2013-04-24 | 北卡罗来纳康普公司 | Cable cluster clearing up assembly on network equipment and using method |
| CN110770618A (en) * | 2017-04-04 | 2020-02-07 | Tdk株式会社 | Optical fiber member and optical fiber holder |
-
2001
- 2001-11-12 CN CN 01258017 patent/CN2522893Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101826688B (en) * | 2009-03-06 | 2013-04-24 | 北卡罗来纳康普公司 | Cable cluster clearing up assembly on network equipment and using method |
| US8565573B2 (en) | 2009-03-06 | 2013-10-22 | Commscope, Inc. Of North Carolina | Cable management assembly for cable clusters of network equipment |
| CN110770618A (en) * | 2017-04-04 | 2020-02-07 | Tdk株式会社 | Optical fiber member and optical fiber holder |
| CN110770618B (en) * | 2017-04-04 | 2021-02-09 | Tdk株式会社 | Optical fiber member |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |