CN204989542U - Plug -type fiber connector - Google Patents
Plug -type fiber connector Download PDFInfo
- Publication number
- CN204989542U CN204989542U CN201520566671.4U CN201520566671U CN204989542U CN 204989542 U CN204989542 U CN 204989542U CN 201520566671 U CN201520566671 U CN 201520566671U CN 204989542 U CN204989542 U CN 204989542U
- Authority
- CN
- China
- Prior art keywords
- key
- optical
- plug
- keyway
- lining
- 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.)
- Active
Links
Landscapes
- Mechanical Coupling Of Light Guides (AREA)
Abstract
The utility model relates to a fiber communication technical field, the utility model provides a plug -type fiber connector, with the compatible problem of solving PC optical fiber splice and APC optical fiber splice in the plug -type connector, it includes the shell, the elastic claw, the bush, compress tightly the cover, the optical assembly, the preceding terminal surface of shell is provided with first keyway, preceding terminal surface on the elastic claw is provided with the second keyway, the front end of bush is provided with first key, the tail end face is provided with the third keyway, the preceding terminal surface that compresses tightly the cover is provided with the second key, the middle part is provided with the third key, the middle terminal surface of optical assembly is provided with the 5th keyway. The utility model provides a technical scheme can compatible PC optical fiber splice and APC shaven head.
Description
Technical field
The utility model relates to technical field of optical fiber communication, particularly the plug-type joints of optical fibre of a kind of compatible PC fibre-optical splice and APC fibre-optical splice.
Background technology
The joints of optical fibre realize the device that between optical fiber with optical fiber, detachable (activity) is connected, it gets up the docking of two of optical fiber end face precisions, the luminous energy exported to make launching fiber can be coupled to greatest extent to receive in optical fiber and go, and make get involved optical link due to it and reduce to minimum to the impact that system causes, this is the basic demand of the joints of optical fibre.To a certain extent, the joints of optical fibre can have influence on reliability and the properties of optical transmission system.
The joints of optical fibre can be divided into by connector version: FC, SC, ST, LC, D4, DIN, MU, MT etc. various forms.Wherein, ST connector is generally used for wiring unit end, as fibre distribution frame, optic module etc.; And SC and MT connector is generally used for network equipment end.The joints of optical fibre divide by fiber end face shape has FC, PC (comprising SPC or UPC) and APC, SPC to refer to SuperPhysicalContact, and UPC refers to UltraPhysicalContact.The return loss of PC, SPC and UPC industry standard prescribes is respectively-35dB ,-40dB and-50dB (return loss refers to the ratio of the light of the end face reflection being connected device, and return loss is the smaller the better).Because industrial standard is different, dissimilar connector in principle can not hybrid junction, but the fiber end face of PC, SPC and UPC is all plane, so the mixed connection of PC, SPC or UPC can not form permanent physical damnification to connector.But the end face of APC is completely different from the end face of PC, the end face of APC is polished into inclined-plane when processing, and to reduce reflection, the return loss of its industrial standard is-60dB.Therefore APC connector can only be connected with APC.Because the structure of APC is completely different from PC, if connected by these two kinds of connectors with ring flange, the fiber end face of connector will be damaged.
Utility model content
[technical matters that will solve]
The purpose of this utility model is to provide a kind of plug-type joints of optical fibre, to solve the compatibling problem of PC fibre-optical splice in plug-type connector and APC fibre-optical splice.
[technical scheme]
The utility model is achieved through the following technical solutions.
The utility model relates to a kind of plug-type joints of optical fibre, comprise shell, elastic claw, lining, clamping sleeve, optical assembly, the front end face of described shell is provided with the first keyway, front end face on described elastic claw is provided with the secondth keyway, the front end of described lining is provided with the first key, breech face is provided with key-groove, the front end face of described clamping sleeve is provided with the second key, middle part is provided with triple bond, and the middle end face of described optical assembly is provided with the 5th keyway
Described lining and elastic claw are all installed in shell, described clamping sleeve is installed in lining, described optical assembly is installed in clamping sleeve, first keyway of described shell coordinates fixing with the first key of lining, second keyway of described elastic claw coordinates fixing with the first key of lining, the triple bond of described clamping sleeve coordinates fixing with the key-groove of lining, the second key of described clamping sleeve coordinates fixing with the 5th keyway of optical assembly.
As one preferred embodiment, the angle between the plane that formed of the axis of the plane that formed of the axis of described first key and lining and described key-groove and lining is 120 degree.
As another preferred embodiment, described first key, the second key, triple bond are provided with chamfering.
As another preferred embodiment, described first key, the second key, triple bond are flat key.
As another preferred embodiment, also comprise gland nut, clamping sleeve and optical assembly compress by described gland nut.
As another preferred embodiment, described optical assembly is PC fibre-optical splice or APC fibre-optical splice.
[beneficial effect]
The technical scheme that the utility model proposes has following beneficial effect:
(1) the plug-type connector that the utility model provides can compatible PC fibre-optical splice and APC shaven head.
(2) the plug-type connector that provides of the utility model is simple to operate, without the need to specific purpose tool and professional operator.
Accompanying drawing explanation
The structural representation of the plug-type joints of optical fibre that Fig. 1 provides for embodiment one of the present utility model.
The sectional view of the plug-type joints of optical fibre that Fig. 2 provides for embodiment one of the present utility model.
The structural representation of the shell of the plug-type joints of optical fibre that Fig. 3 provides for embodiment one of the present utility model.
The structural representation of the elastic claw of the plug-type joints of optical fibre that Fig. 4 provides for embodiment one of the present utility model.
The structural representation of the lining of the plug-type joints of optical fibre that Fig. 5 provides for embodiment one of the present utility model.
The structural representation of the clamping sleeve of the plug-type joints of optical fibre that Fig. 6 provides for embodiment one of the present utility model.
The structural representation of the optical assembly of the plug-type joints of optical fibre that Fig. 7 provides for embodiment one of the present utility model.
In figure: 1-shell; 11-keyway; 2-elastic claw; 21-keyway; 3-lining; 31-key; 32-keyway; 4-clamping sleeve; 41-key; 42-key; 5-optical assembly; 51-keyway.
Embodiment
For making the purpose of this utility model, technical scheme and advantage clearly, below in conjunction with accompanying drawing, clear, complete description is carried out to embodiment of the present utility model, obviously, described embodiment is a part of embodiment of the present utility model, instead of whole embodiment, neither to restriction of the present utility model.Based on embodiment of the present utility model, those of ordinary skill in the art, not paying the every other embodiment obtained under creative work prerequisite, belong to protection domain of the present utility model.
The structural representation of the plug-type joints of optical fibre that Fig. 1 provides for embodiment one of the present utility model, the sectional view of the plug-type joints of optical fibre that Fig. 2 provides for embodiment one of the present utility model, the structural representation of the shell of the plug-type joints of optical fibre that Fig. 3 provides for embodiment one of the present utility model, the structural representation of the elastic claw of the plug-type joints of optical fibre that Fig. 4 provides for embodiment one of the present utility model, the structural representation of the lining of the plug-type joints of optical fibre that Fig. 5 provides for embodiment one of the present utility model, the structural representation of the clamping sleeve of the plug-type joints of optical fibre that Fig. 6 provides for embodiment one of the present utility model, the structural representation of the optical assembly of the plug-type joints of optical fibre that Fig. 7 provides for embodiment one of the present utility model.As depicted in figs. 1 and 2, these plug-type joints of optical fibre comprise shell 1, elastic claw 2, lining 3, clamping sleeve 4, optical assembly 5.As shown in Figure 3, the front end face of shell 1 is provided with keyway 11.As shown in Figure 4, the front end face on elastic claw 2 is provided with keyway 21.As shown in Figure 5, the front end of lining 3 is provided with key 31, breech face is provided with keyway 32.As shown in Figure 6, the front end face of clamping sleeve 4 is provided with key 41, middle part is provided with key 42.As shown in Figure 7, the middle end face of optical assembly 5 is provided with keyway 51.
In the present embodiment, key 31 and the keyway 32 of lining 3 have special position relationship, and particularly, the key 31 of lining 3 can form a plane with the axis of lining 3, the keyway 32 of lining 3 can form another one plane with the axis of lining 3, and the angle between these two planes is 120 degree.
In the present embodiment, lining 3 and elastic claw 2 are all installed in shell 1, and clamping sleeve 4 is installed in lining 3, and optical assembly 5 is installed in clamping sleeve 4.Particularly, the keyway 11 of shell 1 coordinates fixing with the key 31 of lining 3, and the keyway 21 of elastic claw 2 coordinates fixing with the key 31 of lining 3, and the key 42 of clamping sleeve 4 coordinates fixing with the keyway 32 of lining 3, and the key 41 of clamping sleeve 4 coordinates fixing with the keyway 51 of optical assembly 5.
In the present embodiment, key 31, key 41, key 42 are flat key.Key 31, key 41, key 42 are all circumferentially provided with chamfering at it, with the interference of the keyway 21 or elastic claw 2 of avoiding elastic claw 2.
In the present embodiment, also comprise gland nut clamping sleeve 4 and optical assembly 5 compressed.
In the present embodiment, optical assembly 5 is PC fibre-optical splice or APC fibre-optical splice.On between shell 1, elastic claw 2, lining 3, clamping sleeve 4, optical assembly 5, all have unique and fixing position relationship, therefore the present embodiment can be applicable to APC fibre-optical splice.In addition, the utility model embodiment makes the position of optical assembly have uniqueness by the cooperation of multiple key and keyway, can ensure the quality of optical transport.Before this utility model of employing, optical assembly can only use PC/UPC structure, return loss >=45dB, adopts APC fibre-optical splice as the return loss >=55dB of the plug-type joints of optical fibre of optical assembly, improves the quality of optical transport.
As can be seen from the above embodiments, the plug-type connector that provides of the utility model embodiment can compatible PC fibre-optical splice and APC shaven head; In addition, the plug-type connector that the utility model provides is simple to operate, without the need to specific purpose tool and professional operator.
Claims (6)
1. plug-type joints of optical fibre, it is characterized in that comprising shell, elastic claw, lining, clamping sleeve, optical assembly, the front end face of described shell is provided with the first keyway, front end face on described elastic claw is provided with the second keyway, the front end of described lining is provided with the first key, breech face is provided with key-groove, the front end face of described clamping sleeve is provided with the second key, middle part is provided with triple bond, and the middle end face of described optical assembly is provided with the 5th keyway
Described lining and elastic claw are all installed in shell, described clamping sleeve is installed in lining, described optical assembly is installed in clamping sleeve, first keyway of described shell coordinates fixing with the first key of lining, second keyway of described elastic claw coordinates fixing with the first key of lining, the triple bond of described clamping sleeve coordinates fixing with the key-groove of lining, the second key of described clamping sleeve coordinates fixing with the 5th keyway of optical assembly.
2. the plug-type joints of optical fibre according to claim 1, is characterized in that the angle between the plane that the axis of the plane that the axis of described first key and lining is formed and described key-groove and lining is formed is 120 degree.
3. the plug-type joints of optical fibre according to claim 1, is characterized in that described first key, the second key, triple bond are provided with chamfering.
4., according to the described plug-type joints of optical fibre arbitrary in claims 1 to 3, it is characterized in that described first key, the second key, triple bond are flat key.
5. the plug-type joints of optical fibre according to claim 1, characterized by further comprising gland nut, and clamping sleeve and optical assembly compress by described gland nut.
6. the plug-type joints of optical fibre according to claim 1, is characterized in that described optical assembly is PC fibre-optical splice or APC fibre-optical splice.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520566671.4U CN204989542U (en) | 2015-07-31 | 2015-07-31 | Plug -type fiber connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520566671.4U CN204989542U (en) | 2015-07-31 | 2015-07-31 | Plug -type fiber connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204989542U true CN204989542U (en) | 2016-01-20 |
Family
ID=55123897
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520566671.4U Active CN204989542U (en) | 2015-07-31 | 2015-07-31 | Plug -type fiber connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204989542U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105005120A (en) * | 2015-07-31 | 2015-10-28 | 四川永贵科技有限公司 | Push-pull optical fiber connector |
-
2015
- 2015-07-31 CN CN201520566671.4U patent/CN204989542U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105005120A (en) * | 2015-07-31 | 2015-10-28 | 四川永贵科技有限公司 | Push-pull optical fiber connector |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8834037B2 (en) | Hermaphroditic connector with multi-fiber termini | |
| CN105182479A (en) | Multi-core inclined end face optical fiber connector | |
| US11327246B2 (en) | Optical fiber connector, prefabricated optical fiber, adapter, fiber termination box, and optical fiber connection assembly | |
| CN204989542U (en) | Plug -type fiber connector | |
| CN105005120A (en) | Push-pull optical fiber connector | |
| CN204882958U (en) | Take dustproof hot melt type fiber connector of spring | |
| CN104317008A (en) | Optical fiber connector assembly, and optical fiber switching socket and ceramic fixed sleeve thereof | |
| CN103676020B (en) | Processing and assembling process of optical fiber connector | |
| CN205826914U (en) | A kind of double APC physical fit device | |
| CN109932785A (en) | A kind of optical cable connecting device | |
| CN205301630U (en) | A pre -embedded optical fibre pottery lock pin connector for two -way subassembly of single fiber | |
| CN205427240U (en) | SC type optic fibre quick connector of high reliability | |
| CN104614813B (en) | photoelectric mixed connector assembly | |
| CN216210046U (en) | Multi-connection optical fiber adapter with clamping tail fiber | |
| CN203414634U (en) | Split-type fiber centering structure | |
| CN102879863A (en) | Adapter and optical fiber connector | |
| CN217281356U (en) | Waterproof type ethernet switch | |
| CN204945433U (en) | Multi-core number inclined surface fiber connector | |
| CN203350482U (en) | Novel fiber contact element | |
| CN204269893U (en) | A kind of 12 core Multifunctional cable termination boxes | |
| CN203688852U (en) | Ceramic ferrule for optic fiber connector | |
| CN211123388U (en) | High-speed photoelectric conversion connector | |
| CN104035161B (en) | The joints of optical fibre | |
| CN203616506U (en) | Inclined-plane contact-pin multi-core optical fiber connector | |
| CN210515271U (en) | Serial port debugging cable |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |