CN2388610Y - Dust-proof cap for optical fibre connector - Google Patents
Dust-proof cap for optical fibre connector Download PDFInfo
- Publication number
- CN2388610Y CN2388610Y CN 99202568 CN99202568U CN2388610Y CN 2388610 Y CN2388610 Y CN 2388610Y CN 99202568 CN99202568 CN 99202568 CN 99202568 U CN99202568 U CN 99202568U CN 2388610 Y CN2388610 Y CN 2388610Y
- Authority
- CN
- China
- Prior art keywords
- optical fibre
- connector
- joints
- helmet
- hanging
- 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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- Mechanical Coupling Of Light Guides (AREA)
Abstract
The utility model discloses a dust-proof cap for an optical fibre connector. The utility model comprises a protecting cap, and is characterized in that connecting line is arranged on the protecting cap, the other end of the connecting line corresponding to protecting cap is provided with hanging opening. The dimension of an inner ring of the hanging opening is larger than a diameter of optical fiber arranged on the optical fiber connector, but is smaller than the diameter of a connecting head of the optical fiber connector. Thus when the dust-proof cap for the optical fibre connector is used, the dust-proof cap can be hung on the tail fiber of the optical fiber connector through the connecting line, and can not be dropped off or missed.
Description
The utility model relates to a kind of dust cap of the joints of optical fibre that are used for, particularly fiber active linker.
The joints of optical fibre are the important devices that realize that two sections optical fiber low-losses, low reflection connect, and have vital role in fiber optic communication field.The end face of lock pin is the strict special processing of process in the joints of optical fibre, and surface smoothness is very high, so the especially surperficial intermediate fibres core segment in its surface need be prevented dust.Usually, can realize the dustproof purpose with a dust cap.Existing dust cap has multiple, the connector that adapts to various criterion respectively, dust cap as ST connector can be a rubber cap that can directly be enclosed within on the lock pin, SC connector can be an elastic covering that can be enclosed within on the connector, and the dust cap of FC connector can be a screwed lid, is screwed on the connector by screw thread.
But existing dust cap exposes following shortcoming in practice: because the needs of frequent operation, dust cap often need take off, and the dust cap that takes off is easy to lose or forget, and even without losing or forgeing, also can too far be not easy to get apart from the operator because of putting position sometimes.The usage quantity of the joints of optical fibre is very big in the modern optical fiber communication, and this situation certainly will reduce work efficiency greatly.
The purpose of this utility model is exactly in order to overcome the above problems, and provides a kind of being difficult for to lose or forget, and is easy to the dust cap of taking during operation.
The utility model realizes that the scheme of above-mentioned purpose is: a kind of dust cap that is used for the joints of optical fibre, comprise helmet, it is characterized in that: the company's of being provided with hanging wire on described helmet, the other end relative with helmet has mouth hanging on the described even hanging wire, the inner ring size of described mouth hanging is greater than the diameter of optical fiber on the joints of optical fibre, but less than the diameter of the connector of the joints of optical fibre.
Owing to adopted above scheme, when the joints of optical fibre are installed, can hang on the optical fiber by the mouth hanging on it having the dust cap that connects hanging wire in advance, and then connector is installed.Like this, when the user uses, after helmet taken off from connector, helmet still can hang on the optical fiber by connecting hanging wire, connector is unlikely the dust cap retaining and comes off on optical fiber, even the helmet of dust cap is not installed on connector or the lock pin, also can not lose or forget.When the user needed once more helmet to be put when safeguarding, dust cap can be taken smoothly, and was easy to operate, saves time.
Fig. 1 is the front schematic view of the utility model embodiment.
Fig. 2 is the A-A cross-sectional schematic of the utility model embodiment.
Fig. 3 is the B enlarged diagram of the utility model embodiment.
Fig. 4 is a kind of user mode synoptic diagram of the utility model embodiment.
Also in conjunction with the accompanying drawings the utility model is described in further detail below by specific embodiment.
Embodiment one: see Fig. 1,2,3, be depicted as a kind of dust cap that is used for the joints of optical fibre, comprise helmet 1, it is characterized in that: the company's of being provided with hanging wire 2 on described helmet, describedly connect on the hanging wire 2 other end relative mouth hanging 3 is arranged with helmet 1, the inner ring size of described mouth hanging 3 is greater than the diameter of optical fiber on the joints of optical fibre, but less than the diameter of the connector of the joints of optical fibre.
Helmet 1 shown in the figure is the helmet that is used for the SC type joints of optical fibre.Certainly, the utility model also can adopt other helmet shapes, such as the helmet that is used for connectors such as ST type, FC type.Connect hanging wire 2 and be made of one (can certainly connect in addition), preferably with having certain flexible material, to guarantee not easily broken and can not cause taking leave the optical fiber that fractures again, as using plastics, rubber etc. with helmet 1.Mouth hanging 3 is places that optical fiber inserts, and its inner ring is preferably circular, so that optical fiber is inserted in; Its size will guarantee to be easy to be inserted in optical fiber and don't as for connector is therefrom come off.
Embodiment two: see Fig. 1,3, in the present embodiment, its major part still with embodiment together, difference is: in this example, in described the company on the hanging wire strip breach 4 is arranged, this breach 4 is near described mouth hanging 3, have one to connect muscle 5 between mouth hanging 3 and breach 4, this connects muscle 5 breach 4 and mouth hanging 3 is separated, and when connecting muscle 5 disconnections, breach 4 is connected with mouth hanging 3, is communicated with its total opening chi of back and crosses greater than the connector on the joints of optical fibre.
She Ji reason is like this: in some cases, in the time of can not disconnecting connector again after the user knows, dust cap just no longer has any effect.This moment may be because the restriction in space or neat for line, and the user more wishes to take off dust cap.The setting of breach 4 is exactly to need for this reason.When needs remove dust cap, only need company's muscle 5 is broken, mouth hanging 3 is connected with breach 4, both are communicated with the size of its total inside dimension of back greater than connector, as Fig. 4, so just connector can be taken out from breach.
Claims (3)
1. dust cap that is used for the joints of optical fibre, comprise helmet (1), it is characterized in that: the company's of being provided with hanging wire (2) on described helmet (1), described even hanging wire (2) is gone up the other end relative with helmet (1) mouth hanging (3), the inner ring size of described mouth hanging (3) is greater than the diameter of optical fiber on the joints of optical fibre, but less than the diameter of the connector of the joints of optical fibre.
2. dust cap as claimed in claim 1, it is characterized in that: a strip breach (4) is arranged in described the company on the hanging wire (2), this breach (4) is near described mouth hanging (3), between mouth hanging (3) and breach (4), have one to connect muscle (5), this connects muscle (5) breach (4) and mouth hanging (3) is separated, and when connecting muscle (5) disconnection, breach (4) is connected with mouth hanging (3), is communicated with its total opening chi of back and crosses greater than the connector on the joints of optical fibre.
3. dust cap as claimed in claim 1 or 2 is characterized in that: the geomery of described helmet (1) is fit to SC type AN connector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99202568 CN2388610Y (en) | 1999-01-21 | 1999-01-21 | Dust-proof cap for optical fibre connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99202568 CN2388610Y (en) | 1999-01-21 | 1999-01-21 | Dust-proof cap for optical fibre connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2388610Y true CN2388610Y (en) | 2000-07-19 |
Family
ID=33997971
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99202568 Expired - Fee Related CN2388610Y (en) | 1999-01-21 | 1999-01-21 | Dust-proof cap for optical fibre connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2388610Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102722005A (en) * | 2012-06-27 | 2012-10-10 | 江苏银河电子股份有限公司 | Fiber connector and manufacturing method thereof |
| CN101677412B (en) * | 2003-07-02 | 2013-02-06 | Adc电信股份有限公司 | Telecommunications connection cabinet and method for connecting the telecommunications connection cabinet |
| CN106547051A (en) * | 2016-12-07 | 2017-03-29 | 国网北京市电力公司 | Optical fiber plug sheath |
-
1999
- 1999-01-21 CN CN 99202568 patent/CN2388610Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101677412B (en) * | 2003-07-02 | 2013-02-06 | Adc电信股份有限公司 | Telecommunications connection cabinet and method for connecting the telecommunications connection cabinet |
| CN102722005A (en) * | 2012-06-27 | 2012-10-10 | 江苏银河电子股份有限公司 | Fiber connector and manufacturing method thereof |
| CN102722005B (en) * | 2012-06-27 | 2013-12-11 | 江苏银河电子股份有限公司 | Manufacturing method of fiber connector |
| CN106547051A (en) * | 2016-12-07 | 2017-03-29 | 国网北京市电力公司 | Optical fiber plug sheath |
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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 |