CN201749215U - MTRJ type optical fiber movable connector - Google Patents
MTRJ type optical fiber movable connector Download PDFInfo
- Publication number
- CN201749215U CN201749215U CN2010205031427U CN201020503142U CN201749215U CN 201749215 U CN201749215 U CN 201749215U CN 2010205031427 U CN2010205031427 U CN 2010205031427U CN 201020503142 U CN201020503142 U CN 201020503142U CN 201749215 U CN201749215 U CN 201749215U
- Authority
- CN
- China
- Prior art keywords
- contact pin
- connecting link
- overcoat
- afterbody
- compression spring
- 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
Links
- 239000013307 optical fiber Substances 0.000 title claims abstract description 24
- 238000007906 compression Methods 0.000 claims abstract description 26
- 230000006835 compression Effects 0.000 claims abstract description 24
- 239000000835 fiber Substances 0.000 claims description 27
- 239000000428 dust Substances 0.000 claims description 9
- 230000000295 complement effect Effects 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 241001136800 Anas acuta Species 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 4
- 230000007797 corrosion Effects 0.000 abstract description 3
- 238000005260 corrosion Methods 0.000 abstract description 3
- 230000003287 optical effect Effects 0.000 abstract description 3
- 230000037431 insertion Effects 0.000 abstract 3
- 238000003780 insertion Methods 0.000 abstract 3
- 230000013011 mating Effects 0.000 abstract 1
- 238000005491 wire drawing Methods 0.000 description 4
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Images
Abstract
The utility model discloses an MTRJ type optical fiber movable connector with a locking apparatus, which comprises an outer sleeve, an insertion pin, a positioning block, a compression spring, a connecting rod, a backwardly-arranged sleeve and a tail base which are arranged in sequence and are inserted into a whole for implementing the rapid insertion. The utility model has advantages of smart structure, compact and firm mating, good anti-vibration performance and corrosion resistance, small volume, good seal performance, convenient operation, stable and reliable insertion among each part, thereby ensuring the alignment quality and the optical transmission effect. The utility model can be used for double-core connection and alignment of various optical fibers.
Description
Technical field
The utility model relates to and a kind ofly will carry out the movable device that connects, specifically a kind of MTRJ type fiber active linker between optical fiber and the optical fiber.
Background technology
The joints of optical fibre are devices that optical fiber cable termination is connected with switch, are the passages of transmitting optical signal.Divide the branch that also has single core and multicore (as MT-RJ) by fiber number, wherein the MTRJ connector is started in the MT connector of NTT exploitation, have bolt lock mechanism, aim at optical fiber by the guide finger that is installed on small-sized sleeve pipe both sides, for ease of linking to each other with optical transceiver, connector ends optical fiber is twin-core 0.75mm arrangement design at interval, belongs to the high-density optical-fiber connector that is mainly used in data transmission.
Existing this type optical fiber connector is because self structure, exist mostly connect insecure, break easily and cause the disadvantage of extraneous dust, contaminating impurity optical fiber, thereby reduced the reliability that optical fiber connects.
Summary of the invention
The technical problems to be solved in the utility model provides a kind of MTRJ type fiber active linker that has locking device, realizes pegging graft fast, connects stablely, and the anti-vibrating and impact performance is good, and is solid and reliable, sealing effectiveness is good.
For solving the problems of the technologies described above, the technical scheme that the utility model adopted is:
A kind of MTRJ type fiber active linker comprises overcoat, contact pin, connecting link, rearmounted sleeve and tailstock successively, also comprises locating piece and the compression spring be located between contact pin and the connecting link,
Described overcoat has square hole, and contact pin, locating piece, compression spring and connecting link all are located in the square hole, and the outer casing inner wall front portion has step, square hole big stepped hole of little tail headed by the step place,
Body profile is that the outer wall of the contact pin of rectangular parallelepiped is provided with positioning step, and through locating with being matched with in the square hole of step, the head end of contact pin exposes from the overcoat front end contact pin in the positioning step place; The contact pin afterbody has square fine hole and stop bit in contact pin head end end, and contact pin head end first is provided with two fibre core holes;
The cross-sectional sizes of locating piece is corresponding with contact pin tail end end face, has the penetrating optical-fibre channel of head and the tail; The afterbody of locating piece is provided with the compression spring draw-in groove,
The stem of connecting link has the compression spring draw-in groove, and afterbody is located at overcoat tail end rear; Outer and the rearmounted sleeve clearance fit of the wall of connecting link; The stem outer wall of connecting link is provided with the locking device of evagination, and the corresponding position is provided with the bayonet socket that matches with locking device on the overcoat wall, behind the head end of the connecting link compression compression spring in the square hole of overcoat the bayonet socket place spacing,
The front portion of rearmounted sleeve and the afterbody clearance fit of connecting link, afterbody is the variation in diameter part that is used to adorn fine forceps major press fit, is located in the tail cover,
The front portion of elasticity tail cover be placed in rearmounted sleeve outer and with the anterior interference fit of rearmounted sleeve.
When assembling, optical fiber passes tail cover, rearmounted sleeve, connecting link, compression spring from the afterbody of each member successively, and fibre core is exposed in fiber stripping, passes locating piece and contact pin again; Contact pin is put into overcoat, and fibre core exposes effective length in the place, fibre core hole of contact pin, successively locating piece, compression spring, connecting link is put into overcoat again, firmly pushes away in overcoat in the connecting link afterbody, makes locking device spacing in the bayonet socket place; Triumphant not wire drawing hair is smoothed out with the fingers in connecting link tail end place, and with rearmounted sleeve and connecting link afterbody grafting jam-packed, both places of matching compress with pressure clamp; Tail cover front end is placed in the front portion of rearmounted sleeve, finishes assembling since then.As seen this product structure exquisiteness, locking device can make contact pin cooperate closely with outer inner room, firmly, can realize pegging graft fast between parts, and wherein compression spring can play stressed buffer action and reaches elasticity centering, the injury-free purpose of protection fibre core end face; Locating piece can prevent that spring from directly contacting with contact pin and cause wearing and tearing, simultaneously can retainer spring, make product anti-vibrating and impact performance, corrosion resistance and good, and little, the good seal of its volume.
As optimization of the present utility model, this MTRJ type fiber active linker band is provided with dust cap, is interlockingly connected with the overcoat head end.
The setting of dust cap can effectively protect fibre core injury-free, and anti-avoiding polluted, and then improves centering quality and light transmission effect.
As another kind of optimization of the present utility model, the afterbody outer wall of described connecting link is provided with anti-skidding line or anti-skidding salient point.
Anti-skidding line and anti-skidding salient point can play increase friction force, prevent the effect at random of triumphant not wire drawing hair, help gathering and chucking of triumphant not wire drawing hair.
As a kind of qualification of the present utility model, the outside of described overcoat is the structure that is complementary with adapter, so that the high-quality of the connection of connector and then assurance optical fiber continues
Owing to adopted above technical scheme, the obtained technical progress of the utility model is: delicate structure, cooperate closely, firmly, can realize quick grafting, product anti-vibrating and impact performance, corrosion resistance and good, and little, the good seal of its volume, easy to operate, grafting between each several part is tight, firm, stable, reliable, thereby guarantees centering quality and light transmission effect.The twin-core that the utility model can be used for various optical fiber connects centering.
The utility model is described in further detail below in conjunction with Figure of description and specific embodiment.
Description of drawings
Fig. 1 is the one-piece construction synoptic diagram of the utility model embodiment;
Fig. 2 is the assembling exploded view of the illustrated embodiment of Fig. 1;
Fig. 3-7 is respectively right view, front view, left view, the rear view of contact pin among Fig. 2 and faces upward (bowing) view;
Fig. 8-12 is respectively front view, left view, right view, the rear view of locating piece among Fig. 2 and (facing upward) view of bowing;
Figure 13-15 is respectively front view, the left view of connecting link among Fig. 2 and (facing upward) view of bowing, its rear view and front view left-right symmetric;
Figure 16,17 is respectively the front view and the right view of tail cover among Fig. 2;
Figure 18-22 is respectively left view, front view, right view, rear view and the vertical view of overcoat among Fig. 2, and its upward view and vertical view be symmetry up and down;
Figure 23 and Figure 24 are respectively the front view and the right view of dust cap, its rear view and front view left-right symmetric.
Among the figure: 1-overcoat, 2-contact pin, 3-locating piece, the 4-compression spring, 5-connecting link, the rearmounted sleeve of 6-, the 7-tailstock, 8-square hole, 91, the 92-step, the square fine hole of 10-, 11-fibre core hole, 12-optical-fibre channel, 131,132-compression spring draw-in groove, 14-locking device, 15-bayonet socket, the 16-dust cap, 17-anti-skid structure, 18-optical fiber.
Embodiment
Embodiment
Figure 1 shows that a kind of MTRJ type fiber active linker.
With reference to figure 2, it comprises overcoat 1, contact pin 2, locating piece 3, compression spring 4, connecting link 5, rearmounted sleeve 6 and tailstock 7 successively.
With reference to figure 18-22, overcoat 1 has square hole 8.Contact pin 2, locating piece 3, compression spring 4 all are located in the square hole 8 with connecting link 5.Among Figure 19, overcoat 1 inwall front portion has step 91, square hole 8 big stepped hole of little tail headed by step 91 places.The outer shape of overcoat 1, structure are the structure that is complementary with adapter,
With reference to figure 3-7, the body profile of contact pin 2 is a rectangular parallelepiped, and its outer wall is provided with positioning step 92, and contact pin 2 is positioned square hole 8 Inner Front Ends in positioning step 92 places through step 92 and cooperating of step 91, and the head end of contact pin 2 exposes from overcoat 1 front end.Contact pin 2 afterbodys have square fine hole 10 and this hole stop bit in contact pin 2 head end ends, and contact pin 2 head end firsts are the plane that is provided with two fibre core holes 11.
With reference to figure 8-12, the cross-sectional sizes of locating piece 3 is corresponding with contact pin 2 tail end end faces, has the penetrating optical-fibre channel 12 of head and the tail.The afterbody of locating piece 3 is provided with compression spring draw-in groove 131.
With reference to figure 13-15, the stem of connecting link 5 has compression spring draw-in groove 132.Connecting link 5 afterbodys are located at overcoat 1 tail end rear.Outer and rearmounted sleeve 6 clearance fit of the wall of connecting link 5, the stem outer wall of connecting link 5 is provided with the locking device 14 of evagination, the corresponding position is provided with the bayonet socket 15 that matches with locking device 14 on overcoat 1 wall, location, bayonet socket 15 places in the square hole 8 of overcoat 1, head end compression compression spring 4 backs of connecting link 5.The afterbody outer wall of connecting link 5 is provided with similar anti-skid structures 17 such as anti-skidding line or anti-skidding salient point.
The front portion of rearmounted sleeve 6 and the afterbody clearance fit of connecting link 5, afterbody is the variation in diameter part that is used to adorn fine forceps major press fit, is located in the tail cover 7.
The front portion of elasticity tail cover 7 be placed in rearmounted sleeve 6 outer and with the anterior interference fit of rearmounted sleeve 6.
The MTRJ type fiber active linker band of present embodiment is provided with dust cap 16, is interlockingly connected with overcoat 1 head end, and its structure can be with reference to Figure 23,24.The caveli of dust cap 16 and overcoat 1 are complementary in the shape of the two joint.
When assembling, optical fiber passes tail cover 7, rearmounted sleeve 6, connecting link 5, compression spring 4 from the afterbody of each member successively, and optical fiber 18 is carried out peeling, and fibre exposes fibre core, passes locating piece 3 and contact pin 2 again; Contact pin 2 is put into overcoat 1, and fibre core exposes effective length in 11 places, fibre core hole of contact pin 2, successively locating piece 3, compression spring 4, connecting link 5 is put into overcoat 1 again, firmly pushes away in overcoat 1 in connecting link 5 afterbodys, makes locking device 14 spacing in bayonet socket 15 places; Triumphant not wire drawing hair is smoothed out with the fingers in connecting link 5 tail end places, and with rearmounted sleeve 6 and connecting link 5 afterbody grafting jam-packeds, both places of matching compress with pressure clamp; Tail overlaps the front portion that 7 front ends are placed in rearmounted sleeve 6; Dust cap 16 is buckled in overcoat 1 front end.
Finish assembling since then.
During construction, two connectors are inserted in two of the adapter that matches respectively, can realize continuing and centering of optical fiber.
Claims (5)
1. a MTRJ type fiber active linker comprises overcoat, contact pin, connecting link, rearmounted sleeve and tailstock successively, it is characterized in that: it also comprises locating piece and the compression spring of being located between contact pin and the connecting link,
Described overcoat has square hole, and contact pin, locating piece, compression spring and connecting link all are located in the square hole, and the outer casing inner wall front portion has step, square hole big step of little tail headed by the step place,
Body profile is that the outer wall of the contact pin of rectangular parallelepiped is provided with positioning step, and through locating with being matched with in the square hole of step, the head end of contact pin exposes from the overcoat front end contact pin in the positioning step place; The contact pin afterbody has square fine hole and stop bit in contact pin head end end, and contact pin head end first is provided with two fibre core holes;
The cross-sectional sizes of locating piece is corresponding with contact pin tail end end face, has the penetrating optical-fibre channel of head and the tail; The afterbody of locating piece is provided with the compression spring draw-in groove,
The stem of connecting link has the compression spring draw-in groove, and afterbody is located at overcoat tail end rear; Outer and the rearmounted sleeve clearance fit of the wall of connecting link; The stem outer wall of connecting link is provided with the locking device of evagination, and the corresponding position is provided with the bayonet socket that matches with locking device on the overcoat wall, behind the head end of the connecting link compression compression spring in the square hole of overcoat the bayonet socket place spacing,
The front portion of rearmounted sleeve and the afterbody clearance fit of connecting link, afterbody is the variation in diameter part that is used to adorn fine forceps major press fit, is located in the tail cover,
The front portion of elasticity tail cover be placed in rearmounted sleeve outer and with the anterior interference fit of rearmounted sleeve.
2. MTRJ type fiber active linker according to claim 1 is characterized in that: it also is with and is provided with dust cap, is interlockingly connected with the overcoat head end.
3. MTRJ type fiber active linker according to claim 1 and 2 is characterized in that: the afterbody outer wall of described connecting link is provided with anti-skidding line or anti-skidding salient point.
4. according to right 1 or 2 described MTRJ type fiber active linkers, it is characterized in that: the outside of described overcoat is the structure that is complementary with adapter.
5. according to right 3 described MTRJ type fiber active linkers, it is characterized in that: the outside of described overcoat is the structure that is complementary with adapter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205031427U CN201749215U (en) | 2010-08-25 | 2010-08-25 | MTRJ type optical fiber movable connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205031427U CN201749215U (en) | 2010-08-25 | 2010-08-25 | MTRJ type optical fiber movable connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201749215U true CN201749215U (en) | 2011-02-16 |
Family
ID=43583888
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205031427U Expired - Fee Related CN201749215U (en) | 2010-08-25 | 2010-08-25 | MTRJ type optical fiber movable connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201749215U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109541755A (en) * | 2018-11-30 | 2019-03-29 | 中航光电科技股份有限公司 | A kind of new type of plug connector and anti-vibration bayonet connector |
-
2010
- 2010-08-25 CN CN2010205031427U patent/CN201749215U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109541755A (en) * | 2018-11-30 | 2019-03-29 | 中航光电科技股份有限公司 | A kind of new type of plug connector and anti-vibration bayonet connector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: MTRJ type optical fiber movable connector Effective date of registration: 20121220 Granted publication date: 20110216 Pledgee: China Everbright Bank, Limited by Share Ltd, Shijiazhuang branch Pledgor: Hebei Sifang Telecommunication Equipment Co., Ltd. Registration number: 2012990000822 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20140314 Granted publication date: 20110216 Pledgee: China Everbright Bank, Limited by Share Ltd, Shijiazhuang branch Pledgor: Hebei Sifang Telecommunication Equipment Co., Ltd. Registration number: 2012990000822 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20170626 Granted publication date: 20110216 |
|
| PP01 | Preservation of patent right | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20200626 Granted publication date: 20110216 |
|
| PD01 | Discharge of preservation of patent | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20200630 Granted publication date: 20110216 |
|
| PP01 | Preservation of patent right | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20200825 Granted publication date: 20110216 |
|
| PD01 | Discharge of preservation of patent | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110216 Termination date: 20170825 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |