CN201425642Y - Pin-type optical fiber adapter - Google Patents
Pin-type optical fiber adapter Download PDFInfo
- Publication number
- CN201425642Y CN201425642Y CN2009201305181U CN200920130518U CN201425642Y CN 201425642 Y CN201425642 Y CN 201425642Y CN 2009201305181 U CN2009201305181 U CN 2009201305181U CN 200920130518 U CN200920130518 U CN 200920130518U CN 201425642 Y CN201425642 Y CN 201425642Y
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- China
- Prior art keywords
- draw
- groove
- connection block
- pin
- fiber adapter
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- Expired - Fee Related
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Abstract
The utility model provides a pin-type optical fiber adapter, which comprises a connecting seat, a clamping groove piece and a collimation member used for realizing the connection between optical fibers. Both the connecting seat and the clamping groove piece are made of nonmetallic materials and are hollow members which are nested with each other and connected and fixed through locking pins, and the collimation member is arranged in a cavity formed by the nesting of the connecting seat and the clamping groove piece. In the utility model, the connecting seat and the clamping groove piece are nested with each other and connected and fixed through the locking pins, so that the welding manner in the prior art is replaced; and in addition, the production cost is low, the butting is accurate during the assembly, the precision is high, the convenience and the fastness are realized, the production efficiency is effectively improved, and the accuracy of coupling optical-fiber circuits can be ensured.
Description
Technical field
The utility model relates to the technical field of optical-fibre communications physical connection, is specifically related to a kind of fiber adapter of realizing the efficient coupling of luminous power.
Background technology
Along with the continuous development in modern communication field, optical communication is to both direction evolution: two-forty and to the extension of user terminal.Traditional optical fibre connecting method is to flexibly connect with two different optical fiber permanent fixations connections or with connector, and flexible connection obtains using more widely because of its characteristics that can repeat to continue.Fiber adapter is a fiber active linker centering link, is widely used in Optical Distribution Frame (ODF). optical fiber communication equipment, instrument etc.In traditional optical transfer network, the point that optical fiber need connect not is a lot, so traditional flexible jumper had once adopted metal material widely, as FC type and ST type adapter.But because the successively decreasing of this non-renewable resource of metal, transfer the SC type and the Lucent Connector that use plastic material in the world to and be the master, account for 70% of total connector quantity, China is because historical reasons, still at the FC connector that uses metal material, account for 60% of total connector quantity now.Though adapters such as traditional SC, LC, MU, MT-RJ, MPO, MPT, E200 have adopted plastic material, but substantially all form in the production run by ultrasonic soldering, its production efficiency is lower, equally has production efficiency problem to be improved with traditional FC adapter.
Along with the development of FTTH with optic fibre extension to user terminal, the quantity that fiber adapter uses is blast situation ground and increases, and therefore requires cheaply more and more to highlight, and the surge of quantity that also is difficult to satisfy the demands of the turning cooked mode of original metalwork; China is still continuing use FC type adapter on the other hand, how under the guaranteed performance future, realizes low-cost and production in enormous quantities becomes urgent problem.
In addition, in the optical communication practical application, dense wave division multiplexer greatly improves the optical fiber transinformation, also causes simultaneously increasing severely by the energy of optical fiber, these energy all concentrate on the narrow and small surface of fibre core rather than relatively large optical fiber cross section, so that the energy density on fibre core surface is so great that is surprising.Particularly traditional FC metal connector because plug and adapter have all adopted coat of metal technology, when screwed, can produce the cutting effect, and the impurity that metallic dust forms even cause burning at ceramic end face causes connector to damage.The FC metal connector must be faced this new technology requirement.
The utility model content
The purpose of this utility model is to overcome the defective of above-mentioned prior art, provides a kind of features simple structure, cost low, the bolt-type fiber adapter that can be mass-produced and can reliably connect.
The utility model is to realize like this, a kind of bolt-type fiber adapter, the collimation member that comprises Connection Block, draw-in groove spare and be used to realize connect between the optical fiber, described Connection Block and draw-in groove spare are hollow member, chimeric mutually between the two, be connected and fixed by locking pin, described collimation member places in the cavity of Connection Block and the chimeric back of draw-in groove spare.
Preferably, described Connection Block and draw-in groove spare adopt the nonmetallic materials manufacturing.
Further, described Connection Block comprises that flange reaches and the integrally manufactured Connection Block connecting portion of described flange, axially offers at least one groove on described flange; Described draw-in groove spare comprises that the insertion section reaches and the integrally manufactured draw-in groove connecting portion in described insertion section, offer draw-in groove on the described draw-in groove connecting portion, on described draw-in groove spare insertion section, correspondence offers and can embed the interior at least one projection of flange groove, on the position of described flange and projection correspondence, all offer and to hold the fixing pin-and-hole of locking pin insertion.
Further, all be processed with external thread on described Connection Block connecting portion and the draw-in groove connecting portion.
Further, the external thread crest is an arc structure on described Connection Block connecting portion and the draw-in groove connecting portion.
Further, described locking pin is smooth straight pin or cotter pilotage, adopts interference fit to place in flange and the projection pin-and-hole.
Further, described locking pin is straight pin or cotter pilotage, and its side offers a projection, and correspondence is provided with and can makes described projection snap in fixing depression in the pin-and-hole on described Connection Block flange or the draw-in groove spare projection.Further, pin-and-hole is a screw on described flange and the projection, and described locking pin is a holding screw, is combined in the described screw.
Be different from prior art, the utility model Connection Block and draw-in groove spare adopt mutual chimeric back to be connected and fixed mode by locking pin, replaced the prior art welding manner, production cost is low, dock during assembling accurately, the precision height, convenient, fast, improve production efficiency effectively, and can guarantee the accuracy of fibre circuit coupling reliably.
Description of drawings
Fig. 1 is the utility model FC type fiber adapter stereographic map;
Fig. 2 is the utility model FC type fiber adapter three-dimensional exploded view;
Fig. 3 is the utility model FC type fiber adapter screw thread partial enlarged drawing;
Fig. 4 is the utility model SC type fiber adapter three-dimensional view.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer,, the utility model is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
The utility model provides the fiber adapter embodiment applicable to FC type and SC type, referring to Fig. 1-Fig. 5, the collimation member 4 that the utility model embodiment comprises Connection Block 1, draw-in groove spare 2 and is used to realize connect between the optical fiber, described Connection Block 1 is hollow member with draw-in groove spare 2, chimeric mutually between the two, be connected and fixed by locking pin 3, described collimation member 4 is the sleeve pipe of an opening, place among Connection Block 1 and the draw-in groove spare 2 chimeric backs in the cavity body, optical fiber is realized connecting supporting in collimation member 4 by the contact pin of plug, thereby realizes optically-coupled.This structure of the utility model, simple in structure, handling ease, cost is low, can produce in batch, each member contraposition exactly during assembling, and convenient, quick, can replace between traditional plastics such as welding technology, will effectively enhance productivity, thereby realize the utility model purpose.
The concrete structure embodiment of the utility model is described in detail in detail below.
Referring to Fig. 1, Fig. 2, among the utility model FC type fiber adapter embodiment, described Connection Block 1 and draw-in groove spare 2 adopt the nonmetallic materials manufacturing, can be one-body molded, but while economical with materials cost.For present embodiment being fixed on the various adjoining members, described Connection Block 1 comprises flange 11 and Connection Block connecting portion 12, flange 11 and the 12 one machine-shapings of Connection Block connecting portion.Offer on the described flange 11 to connect and use fixed orifice 111, can offer at least two (being illustrated as four).In described flange 11 centers, be processed with a cavity 112, Connection Block connecting portion 12 centers also are processed with a through hole, are communicated with described cavity 112, make Connection Block 1 constitute a hollow member.Described draw-in groove spare 2 comprises insertion section 21 and draw-in groove connecting portion 22, insertion section 21 and also one machine-shaping of draw-in groove connecting portion 22.For guaranteeing that draw-in groove spare 2 is adjacent the contraposition and the installation of member, offer a draw-in groove 221 on the described draw-in groove connecting portion 22, simultaneously, accurate contraposition when guaranteeing to assemble between Connection Block 1 and the draw-in groove spare 2 offers at least one groove 113 (be illustrated as be symmetrical in the Connection Block axle center offer four grooves) vertically in the flange cavity 112 of described Connection Block 1.Correspondingly, on described draw-in groove spare insertion section 21, also offer and corresponding to embed the interior at least one projection 211 of above-mentioned groove 113 (be illustrated as be symmetrical in draw-in groove spare axle center offer four projections).On the position of described flange 11 and projection 211 correspondences, also offer pin-and-hole 114,212 respectively, locking pin 3 can insert in the fixing above-mentioned pin-and-hole 114,212.Simultaneously, the heart among the described draw-in groove spare 2 also offers a through hole 23, is communicated with the through hole of Connection Block connecting portion 12, makes draw-in groove spare 2 also form a hollow member.During assembling, collimation member 4 can be put into flange cavity 112 centers, again draw-in groove spare 2 insertion sections 21 projections, 211 correspondences are embedded in the groove 113 on the flange, at last locking pin 3 be inserted fixing getting final product.
Please, all be processed with external thread on described Connection Block connecting portion 12 and the draw-in groove connecting portion 22 again referring to Fig. 1, Fig. 2.Referring to Fig. 3, the crest of above-mentioned member external thread tooth form structure is an arc structure, compare to existing helicitic texture, the wearing and tearing high in the time of can effectively reducing screw-threaded engagement of this improved circular arc type crest to crest, can prolong the repeated use number of times of the utility model product, repeat to plug number of times what make that the utility model fiber adapter meets or exceeds the relevant industries standard.And, when Connection Block 1 and draw-in groove spare 2 adopt nonmetallic materials also to overcome metal threaded screwing simultaneously, because of cutting the metallic dust that effect produces.
Further, described locking pin 3 can be metal material, by impact briquetting; Also can make for nonmetallic materials.Locking pin 3 structures can be straight pin, also can be cotter pilotage, can adopt interference fit to realize closely being connected and fixed of Connection Block 1 and draw-in groove spare 2 by choosing of dimensional tolerence between locking pin 3 and the pin-and-hole 114,212.
Perhaps, as shown in Figure 2, also can offer a projection 31 in described locking pin 3 sides, correspondence is provided with and can makes described projection 31 snap in fixing depression (not shown) in the pin-and-hole 114 of described Connection Block flange 11 or the pin-and-hole 212.Because Connection Block 1 and draw-in groove spare 2 are nonmetallic materials, can push by force by mechanical force and force locking pin 3 to be pressed in the pin-and-hole 114,212 to be locked, this fixed form is more firm.
Moreover described pin-and-hole 114,212 can also be a threaded hole, and locking pin 3 is selected holding screw for use, can be combined in the above-mentioned threaded hole, makes Connection Block 1 and draw-in groove spare 2 be connected and fixed (not shown).
See also Fig. 4, Connection Block 1 is different with FC type fiber adapter embodiment with draw-in groove spare 2 formal structures among the utility model SC type fiber adapter embodiment, but both inner structures, collimation member 4 and Connection Block 1 are consistent with connected mode and FC type fiber adapter between the draw-in groove spare 2, do not repeat them here.
The above only is preferred embodiment of the present utility model; not in order to restriction the utility model; all any modifications of within spirit of the present utility model and principle, being done, be equal to and replace and improvement etc., all should be included within the protection domain of the present utility model.
Claims (8)
1, a kind of bolt-type fiber adapter, it is characterized in that: the collimation member that comprises Connection Block, draw-in groove spare and be used to realize connect between the optical fiber, described Connection Block and draw-in groove spare are hollow member, chimeric mutually between the two, be connected and fixed by locking pin, described collimation member places in the cavity of Connection Block and the chimeric back of draw-in groove spare.
2, a kind of bolt-type fiber adapter according to claim 1 is characterized in that: described Connection Block and draw-in groove spare adopt the nonmetallic materials manufacturing.
3, a kind of bolt-type fiber adapter according to claim 1 and 2 is characterized in that: described Connection Block comprises that flange reaches and the integrally manufactured Connection Block connecting portion of described flange, axially offers at least one groove on described flange; Described draw-in groove spare comprises that the insertion section reaches and the integrally manufactured draw-in groove connecting portion in described insertion section, offer draw-in groove on the described draw-in groove connecting portion, on described draw-in groove spare insertion section, correspondence offers and can embed the interior at least one projection of flange groove, on the position of described flange and projection correspondence, all offer and to hold the fixing pin-and-hole of locking pin insertion.
4, a kind of bolt-type fiber adapter according to claim 3 is characterized in that: all be processed with external thread on described Connection Block connecting portion and the draw-in groove connecting portion.
5, a kind of bolt-type fiber adapter according to claim 4, it is characterized in that: the external thread crest is an arc structure on described Connection Block connecting portion and the draw-in groove connecting portion.
6, a kind of bolt-type fiber adapter according to claim 3, it is characterized in that: described locking pin is straight pin or cotter pilotage, adopts interference fit to place in flange and the projection pin-and-hole.
7, a kind of bolt-type fiber adapter according to claim 3, it is characterized in that: described locking pin is smooth straight pin or cotter pilotage, its side offers a projection, and correspondence is provided with and can makes described projection snap in fixing depression in the pin-and-hole on described Connection Block flange or the draw-in groove spare projection.
8, a kind of bolt-type fiber adapter according to claim 3, it is characterized in that: pin-and-hole is a screw on described flange and the projection, and described locking pin is a holding screw, is combined in the described screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201305181U CN201425642Y (en) | 2009-04-01 | 2009-04-01 | Pin-type optical fiber adapter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201305181U CN201425642Y (en) | 2009-04-01 | 2009-04-01 | Pin-type optical fiber adapter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201425642Y true CN201425642Y (en) | 2010-03-17 |
Family
ID=42025096
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201305181U Expired - Fee Related CN201425642Y (en) | 2009-04-01 | 2009-04-01 | Pin-type optical fiber adapter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201425642Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108196101A (en) * | 2017-12-29 | 2018-06-22 | 嘉兴乾昆工业设计有限公司 | A kind of power information acquisition system by fiber optic communication |
| CN110899969A (en) * | 2019-11-18 | 2020-03-24 | 武汉光谷信息光电子创新中心有限公司 | Optical fiber coupling welding device and system |
-
2009
- 2009-04-01 CN CN2009201305181U patent/CN201425642Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108196101A (en) * | 2017-12-29 | 2018-06-22 | 嘉兴乾昆工业设计有限公司 | A kind of power information acquisition system by fiber optic communication |
| CN108196101B (en) * | 2017-12-29 | 2020-03-06 | 嘉兴乾昆工业设计有限公司 | Power consumption information acquisition system through optical fiber communication |
| CN110899969A (en) * | 2019-11-18 | 2020-03-24 | 武汉光谷信息光电子创新中心有限公司 | Optical fiber coupling welding device and system |
| CN110899969B (en) * | 2019-11-18 | 2021-05-11 | 武汉光谷信息光电子创新中心有限公司 | Optical fiber coupling welding device and system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100317 Termination date: 20160401 |