CN104297863A - Circular fiber connector - Google Patents
Circular fiber connector Download PDFInfo
- Publication number
- CN104297863A CN104297863A CN201410237066.2A CN201410237066A CN104297863A CN 104297863 A CN104297863 A CN 104297863A CN 201410237066 A CN201410237066 A CN 201410237066A CN 104297863 A CN104297863 A CN 104297863A
- Authority
- CN
- China
- Prior art keywords
- housing
- annular boss
- ring
- fiber connector
- round fiber
- 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.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/36—Mechanical coupling means
- G02B6/38—Mechanical coupling means having fibre to fibre mating means
- G02B6/3807—Dismountable connectors, i.e. comprising plugs
- G02B6/3833—Details of mounting fibres in ferrules; Assembly methods; Manufacture
- G02B6/3865—Details of mounting fibres in ferrules; Assembly methods; Manufacture fabricated by using moulding techniques
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/36—Mechanical coupling means
- G02B6/38—Mechanical coupling means having fibre to fibre mating means
- G02B6/3807—Dismountable connectors, i.e. comprising plugs
- G02B6/3869—Mounting ferrules to connector body, i.e. plugs
- G02B6/3871—Ferrule rotatable with respect to plug body, e.g. for setting rotational position ; Fixation of ferrules after rotation
Abstract
The invention relates to a circular fiber connector which comprises a housing, the front end of which is a plug end, and a connection cap rotatably sleeved on the housing. The inner hole of the connection cap is a step hole, of which the front end hole diameter is large and the rear end hole diameter is small. A large hoe section and a small hole section of the step hole are connected through a transition step, of which the step surface is backward. The housing is provided with an annular boss which is arranged in the large hole section and of which the front end surface is in interval opposite arrangement with the step surface. The connection cap is provided with a limitation structure at the back side of the annular boss. The limitation structure has a limitation surface which is in interval opposite arrangement with the back end surface of the annular boss. A first plastic washer for being in contact slide cooperation with the step surface is arranged between the step surface and the annular boss. A second plastic washer for being in contact slide cooperation with the limitation surface is arranged between the limitation surface and the annular boss. The invention provides the circular fiber connector which can reduce sliding friction force between the connection cap and the housing when the connection cap is rotating.
Description
Technical field
The present invention relates to the round fiber connector for optical signal transmission.
Background technology
Round fiber connector is as a kind of comparatively common joints of optical fibre, and its usable range is comparatively extensive.Existing a kind of round fiber connector is as shown in Figure 1: comprise the housing 2 that front end is inserted terminal, the encapsulating housing parts 4 that porcelain bushing 1 is housed are provided with in housing, on housing, coaxial cable turning set is provided with attachment cap 3, attachment cap is provided with for screwing with the external thread on the housing of intermateable connector the internal thread 7 coordinated, housing is provided with and coordinates to limit the annular boss 5 that attachment cap moves the limit forward with attachment cap block, attachment cap is also provided with prevent attachment cap from front to back by the locking gear 6 that housing is deviate from.When assembling, attachment cap is sheathed on housing by rear to front, attachment cap can not be continued to move forward by annular boss block, then load onto locking gear, such attachment cap is assemblied on housing, when this connector and intermateable connector grafting just by axial limiting, be rotatably connected cap, screw-internal thread fit on internal thread on attachment cap and the housing of intermateable connector, attachment cap drives housing to move forward, realizes the grafting of connector and intermateable connector.Existing this round fiber connector Problems existing is: 1, attachment cap when rotated, housing does not turn, larger force of sliding friction can be produced between attachment cap and housing, force of sliding friction mainly produces on the contact end face of two parts in relative rotation, this force of sliding friction adds the rate of wear of housing, attachment cap on the one hand, reduce the serviceable life of the joints of optical fibre, this also makes the screw-down torque of the joints of optical fibre comparatively large on the other hand, is inconvenient to operate; 2, adopt threaded engagement to realize moving axially of housing, connection speed is comparatively slow, and connection puts in place not obvious, also result in the inconvenience of operation.
Summary of the invention
The object of the present invention is to provide a kind of round fiber connector that can reduce force of sliding friction between attachment cap and housing when attachment cap rotates.
In order to solve the problem, technical scheme of the present invention is:
Round fiber connector, comprise housing that front end is inserted terminal and turning set and be located at attachment cap on housing, the endoporus of attachment cap is that aperture, front end is little, the shoulder hole that aperture, rear end is large, the macropore section of shoulder hole, aperture section is connected by step surface transition shoulder backwards, housing is provided with and loads in described macropore section and the annular boss that is oppositely arranged of front end face and described step surface interval, attachment cap is provided with position limiting structure in the rear side of described annular boss, the confined planes that position limiting structure has and the rear end face interval of described annular boss is oppositely arranged, described step surface and the first plastic washer be provided with between annular boss for coordinating with described step surface contact slide, described confined planes and the second plastic washer be provided with between annular boss for coordinating with described confined planes contact slide.
Ripple spring is provided with between described first plastic washer and described annular boss and/or between the second plastic washer and described annular boss.
The back-up ring arranged before and after described position limiting structure comprises and jump ring, described shield ring sleeve is located on described housing, the hole wall of described macropore section is provided with the jump ring mounting groove loaded for described jump ring, the front end face of jump ring coordinates with described back-up ring rear end block and moves backwards to limit back-up ring, housing is provided with and coordinates to limit the block step that back-up ring moves the limit forward with back-up ring block, described confined planes is made up of the front end face of described back-up ring.
The outer weekly interval of described housing is furnished with five feather keys being respectively used to lead along the longitudinal direction in the corresponding guide key groove of inserting on the housing of intermateable connector.
Be provided with the encapsulating housing parts that porcelain bushing is housed in described housing, the front end of described encapsulating housing parts is provided with the pin-guide hole that at least two axis extend along the longitudinal direction.
First, second plastic washer described is fluoroplastic packing ring.
The hole wall of described aperture section circumferentially offers three and is respectively used to screw with the corresponding housing bail/housing crank slot on the housing of intermateable connector the housing crank slot/housing bail leading and coordinate.
Beneficial effect of the present invention is: when the relative housing into rotation of attachment cap, sliding friction can occur in step surface and the first plastic washer and between confined planes and the second plastic washer, because the friction factor of plastic washer is little, this reduces the force of sliding friction between attachment cap and housing, between reduction attachment cap and housing while frictional dissipation, the screw-down torque be rotationally connected needed for cap can also be reduced.
Accompanying drawing explanation
Fig. 1 is the structural representation of round fiber connector in background technology;
Fig. 2 is the structural representation of an embodiment of round fiber connector in the present invention;
Fig. 3 is the left view of Fig. 2;
Fig. 4 is the structural representation with the dust cap in the present invention;
Fig. 5 be with round fiber connector in the present invention with the use of the structural representation of intermateable connector.
Embodiment
The embodiment of round fiber connector is as shown in Fig. 2 ~ 5: this round fiber connector is plug, comprise housing 8 that front end is inserted terminal and turning set and be located at attachment cap 10 on housing, the outer weekly interval of housing is furnished with five feather keys 20 being respectively used to lead along the longitudinal direction in the corresponding guide key groove of inserting on the housing of intermateable connector 23, be provided with the encapsulating housing parts 17 that porcelain bushing 18 is housed in housing, the front end of encapsulating housing parts 17 is provided with the pin-guide hole 19 that two axis extend along the longitudinal direction.The endoporus of attachment cap 10 is the shoulder hole that aperture, front end is little, aperture, rear end is large, macropore section, the aperture section 9 of shoulder hole are connected by step surface transition shoulder 25 backwards, the hole wall of aperture section 9 is circumferentially distributed with three housing crank slots 11, each housing crank slot 11 is respectively used to screw to lead with the corresponding housing bail 24 on the housing of intermateable connector 23 coordinate.Housing is provided with and loads in macropore section and the annular boss 26 that is oppositely arranged of front end face and step surface interval, rear side in annular boss on attachment cap 10 is provided with position limiting structure, the back-up ring 14 arranged before and after position limiting structure comprises and jump ring 15, back-up ring 14 is sheathed on housing 8, jump ring 15 is assemblied in the jump ring mounting groove that the hole wall of macropore section is arranged, the front end face of jump ring 15 coordinates with back-up ring 16 rear end block and moves backwards to limit back-up ring, housing 8 is provided with and coordinates to limit the block step that back-up ring 16 moves the limit forward with back-up ring block, the confined planes that the front end face formation of back-up ring and the rear end face interval of annular boss 26 are oppositely arranged, the first plastic washer 12 for coordinating with step surface contact slide is provided with between step surface with annular boss 26, the second plastic washer 14 for coordinating with confined planes contact slide is provided with between confined planes with annular boss 26, wherein be provided with ripple spring 13 between annular boss 26 and the second plastic washer 14, first, second plastic washer is fluoroplastic packing ring.Round fiber connector also comprises dust cap 21, dust cap is provided with three corresponding with each housing crank slot respectively dust cap bails 22.When this round fiber connector does not use, being combined on by dust cap on attachment cap prevents dust from entering in round fiber connector, when needs use this round fiber connector, unload dust cap, attachment cap is made to screw to lead with the housing bail on the housing of intermateable connector and coordinate, until grafting puts in place.Feather key and pin-guide hole can ensure the accurate grafting of two connectors, also can ensure that housing just moves axially and non rotating when attachment cap rotates simultaneously; The use of first, second plastic washer reduces the friction force between attachment cap and housing, ensure that the serviceable life of attachment cap and housing, also reduces the operating physical force be rotatably connected needed for cap simultaneously; The plug being arranged so that this round fiber connector and intermateable connector of housing crank slot is more quick, loss low (below single mode average 0.4dB, multimode average less than 0.1).This round fiber connector connects and puts sensation in place obviously, connects fast, and anti-vibration, impact property are good, and product degree of protection can reach more than IP67.First being loaded in macropore section by the first plastic washer when assembling, then loading housing, load ripple spring, the second plastic washer, back-up ring and jump ring successively, during dismounting, dismounting jump ring, attachment cap can be made to be separated with housing, and dismounting is very convenient.
In other embodiment of this round fiber connector: round fiber connector also can be socket; The housing crank slot be arranged on attachment cap can also be replaced by housing bail or screw thread; Ripple spring can also be arranged between the first plastic washer and annular boss or between first, second plastic washer and annular boss and all arrange ripple spring, certain ripple spring also can not be established, now the second plastic washer front end can immediate roof on annular boss, back-up ring also can not be established, and now the rear end immediate roof of the second plastic washer is on jump ring; Jump ring also can be replaced by the ring baffle being fixed on attachment cap rearward end by screw; The material of first, second plastic washer is not limited to fluoroplastic, also can be used in other wear-resisting macromolecular compound plastics that intermetallic friction factor is lower, as polyurethane, tygon etc.
Claims (7)
1. round fiber connector, comprise housing that front end is inserted terminal and turning set and be located at attachment cap on housing, it is characterized in that: the endoporus of attachment cap is that aperture, front end is little, the shoulder hole that aperture, rear end is large, the macropore section of shoulder hole, aperture section is connected by step surface transition shoulder backwards, housing is provided with and loads in described macropore section and the annular boss that is oppositely arranged of front end face and described step surface interval, attachment cap is provided with position limiting structure in the rear side of described annular boss, the confined planes that position limiting structure has and the rear end face interval of described annular boss is oppositely arranged, described step surface and the first plastic washer be provided with between annular boss for coordinating with described step surface contact slide, described confined planes and the second plastic washer be provided with between annular boss for coordinating with described confined planes contact slide.
2. round fiber connector according to claim 1, is characterized in that: be provided with ripple spring between described first plastic washer and described annular boss and/or between the second plastic washer and described annular boss.
3. round fiber connector according to claim 1, it is characterized in that: the back-up ring arranged before and after described position limiting structure comprises and jump ring, described shield ring sleeve is located on described housing, the hole wall of described macropore section is provided with the jump ring mounting groove loaded for described jump ring, the front end face of jump ring coordinates with described back-up ring rear end block and moves backwards to limit back-up ring, housing is provided with and coordinates to limit the block step that back-up ring moves the limit forward with back-up ring block, described confined planes is made up of the front end face of described back-up ring.
4. round fiber connector according to claim 1, is characterized in that: the outer weekly interval of described housing is furnished with five feather keys being respectively used to lead along the longitudinal direction in the corresponding guide key groove of inserting on the housing of intermateable connector.
5. round fiber connector according to claim 1, is characterized in that: be provided with the encapsulating housing parts that porcelain bushing is housed in described housing, and the front end of described encapsulating housing parts is provided with the pin-guide hole that at least two axis extend along the longitudinal direction.
6. round fiber connector according to claim 1, is characterized in that: first, second plastic washer described is fluoroplastic packing ring.
7. the round fiber connector according to claim 1 ~ 6 any one, is characterized in that: the hole wall of described aperture section circumferentially offers three and is respectively used to screw with the corresponding housing bail/housing crank slot on the housing of intermateable connector the housing crank slot/housing bail leading and coordinate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410237066.2A CN104297863B (en) | 2014-05-30 | 2014-05-30 | Round fiber connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410237066.2A CN104297863B (en) | 2014-05-30 | 2014-05-30 | Round fiber connector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104297863A true CN104297863A (en) | 2015-01-21 |
| CN104297863B CN104297863B (en) | 2016-03-23 |
Family
ID=52317664
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410237066.2A Active CN104297863B (en) | 2014-05-30 | 2014-05-30 | Round fiber connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104297863B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108463751A (en) * | 2015-10-28 | 2018-08-28 | 京瓷株式会社 | Optical connector, optical connector system and the active optical cable with them |
| CN112068261A (en) * | 2020-10-09 | 2020-12-11 | 中国南方电网有限责任公司超高压输电公司昆明局 | High-density low-loss optical fiber connector and connecting method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10189125A (en) * | 1996-12-06 | 1998-07-21 | Radiall Sa | Modular circular connector |
| US20030027497A1 (en) * | 2001-07-13 | 2003-02-06 | Barnes Brandon A. | Polishing fixture and method for fiber optic connectors |
| CN202710788U (en) * | 2012-05-31 | 2013-01-30 | 中航光电科技股份有限公司 | Adapter and optical fiber connector using same |
-
2014
- 2014-05-30 CN CN201410237066.2A patent/CN104297863B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10189125A (en) * | 1996-12-06 | 1998-07-21 | Radiall Sa | Modular circular connector |
| US20030027497A1 (en) * | 2001-07-13 | 2003-02-06 | Barnes Brandon A. | Polishing fixture and method for fiber optic connectors |
| CN202710788U (en) * | 2012-05-31 | 2013-01-30 | 中航光电科技股份有限公司 | Adapter and optical fiber connector using same |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108463751A (en) * | 2015-10-28 | 2018-08-28 | 京瓷株式会社 | Optical connector, optical connector system and the active optical cable with them |
| CN108463751B (en) * | 2015-10-28 | 2020-06-30 | 京瓷株式会社 | Optical connector, optical connector system, and active optical cable having the same |
| CN112068261A (en) * | 2020-10-09 | 2020-12-11 | 中国南方电网有限责任公司超高压输电公司昆明局 | High-density low-loss optical fiber connector and connecting method |
| CN112068261B (en) * | 2020-10-09 | 2022-04-08 | 中国南方电网有限责任公司超高压输电公司昆明局 | High-density low-loss optical fiber connector and connecting method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104297863B (en) | 2016-03-23 |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |