CN113189712A - Dustproof type adapter for adapting optical fibers and using method thereof - Google Patents
Dustproof type adapter for adapting optical fibers and using method thereof Download PDFInfo
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- CN113189712A CN113189712A CN202110422246.8A CN202110422246A CN113189712A CN 113189712 A CN113189712 A CN 113189712A CN 202110422246 A CN202110422246 A CN 202110422246A CN 113189712 A CN113189712 A CN 113189712A
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- Prior art keywords
- seat
- connector
- dust
- base
- knob
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- 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
- G02B6/381—Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres
- G02B6/3825—Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres with an intermediate part, e.g. adapter, receptacle, linking two plugs
-
- 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
- G02B6/3847—Details of mounting fibres in ferrules; Assembly methods; Manufacture with means preventing fibre end damage, e.g. recessed fibre surfaces
- G02B6/3849—Details of mounting fibres in ferrules; Assembly methods; Manufacture with means preventing fibre end damage, e.g. recessed fibre surfaces using mechanical protective elements, e.g. caps, hoods, sealing membranes
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- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mechanical Coupling Of Light Guides (AREA)
Abstract
The invention relates to the technical field of communication equipment, and provides a dustproof type matching optical fiber adapter and a using method thereof, wherein the dustproof type matching optical fiber adapter comprises the following steps: the backplane connector and the daughter board connector form a plugging structure; the backplane connector comprises a seat base, a protective cover and a seat dustproof door, wherein a through hole is formed in the side wall of the socket of the seat base; the seat dustproof door comprises a seat dustproof plate, a seat rotating shaft and a knob, the seat rotating shaft is connected with the seat dustproof plate, the seat rotating shaft is used for penetrating through the through hole to enable the seat dustproof plate to be connected with the seat base, and one end of the seat rotating shaft, which penetrates through the through hole and extends to the outer side of the seat base, is connected with the knob; the protection casing is provided with and holds the opening of knob, when the backplate connector with the daughterboard connector is pegged graft, the seat pivot drives the knob rotates, drives through the knob the protection casing motion makes the protection casing with the inboard of head inner shell supports to press.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to the technical field of communication equipment, in particular to a dustproof type matching optical fiber adapter and a using method thereof.
[ background of the invention ]
In an optical communication system, a printed board is generally used as a carrier to integrate optical and electronic components, so as to realize transmission of an optical-electrical signal. The printed board is divided into a back board and a sub board, wherein the back board is vertically arranged, the sub board is horizontally arranged, and the back board and the sub board need to be connected to realize signal transmission.
The inter-board connector is often applied to cabinets, and the cabinets are usually subjected to heat dissipation treatment in an air cooling manner, which aggravates the flow of dust to a certain extent, so that the dustproof requirement on the mating type optical fiber connector is higher and higher. The matching type optical fiber connector is suitable for matching of multiple groups of optical fiber connectors, can be respectively and independently arranged on a chassis back plate and a movable plate card, and requires the end surfaces of the optical fiber connectors to be clean before, in and after the optical fiber connectors are matched.
The prior technical scheme is that a sheet-type leaf spring can be adopted as a baffle at two sides of a mating connector before and in the process of mating of an optical fiber connector, but edge gaps and other conditions are inevitably generated due to the process installation characteristics of the optical fiber connector, so that a large amount of dust can enter the end face of the optical fiber connector after the optical fiber connector is mated, and the performance of the optical connector and the use of intensive board cards in a case are influenced.
In view of the above, overcoming the drawbacks of the prior art is an urgent problem in the art.
[ summary of the invention ]
The technical problem to be solved by the invention is as follows:
before and during the matching of the optical fiber connector, the sheet-type leaf spring can be used as a baffle at both sides of the matching connector, but edge gaps and other situations are inevitably generated due to the process installation characteristics of the optical fiber connector, so that a large amount of dust can enter the end face of the optical fiber connector in the long-term use process after the matching of the optical fiber connector is completed, and the performance of the optical connector and the use of intensive board cards in a case are affected.
The invention achieves the above purpose by the following technical scheme:
in a first aspect, the present invention provides a dustproof type adaptor for optical fiber, including: the backplane connector 1 and the daughter board connector 2 form a plugging structure;
the daughter board connector 2 includes a header base 21 and a header inner shell 22, where the header inner shell 22 is used to be sleeved outside the header base 21;
the backplane connector 1 comprises a base 11, a protective cover 12 and a dustproof door 13, wherein the protective cover 12 is sleeved outside the base 11, and a through hole 111 is formed in the side wall of the socket of the base 11;
the seat dust-proof door 13 comprises a seat dust-proof plate 131, a seat rotating shaft 132 and a knob 133, wherein the seat rotating shaft 132 is connected with the seat dust-proof plate 131, the seat rotating shaft 132 is used for penetrating through the through hole 111 to connect the seat dust-proof plate 131 with the seat base 11, and one end of the seat rotating shaft 132 penetrating through the through hole 111 and extending to the outer side of the seat base 11 is connected with the knob 133;
the protective cover 12 is provided with an opening 121 for accommodating the knob 133, when the backplane connector 1 is plugged with the daughter board connector 2, the seat rotating shaft 132 drives the knob 133 to rotate, and the protective cover 12 is driven by the knob 133 to move, so that the protective cover 12 is pressed against the inner side of the header inner shell 22.
Preferably, the seat dust guard 131 is provided with a first wedge-shaped projection 134;
a second wedge-shaped protrusion 211 is disposed outside the head base 21, and the second wedge-shaped protrusion 211 is configured to push the seat dust guard 131 provided with the first wedge-shaped protrusion 134 to rotate around the seat rotation shaft 132, so that the rotation of the knob 133 drives the shield 12 to move.
Preferably, the seat dust door 13 further includes a seat L-shaped spring 135, a corner of the seat L-shaped spring 135 is connected to the seat rotation shaft 132, and when the backplane connector 1 is not in use, the seat L-shaped spring 135 provides an elastic force to the seat dust plate 131 so that the seat dust door 13 is in a closed state.
Preferably, the daughter board connector 2 further includes a header dust-proof door 23, and the header dust-proof door 23 is disposed at the insertion port of the header inner housing 22.
Preferably, the seat base 11 further includes a seat push rod 112 and a slot 113, wherein the slot 113 is disposed on two sides of the seat base 11, the seat push rod 112 is disposed on an end surface of the insertion port of the slot 113, and the seat push rod 112 is used for pushing the head dust-proof door 23 to open when the backplane connector 1 is inserted into the daughter board connector 2.
Preferably, the header base 21 further includes fixture blocks 212, the fixture blocks 212 are disposed on two sides of the header base 21, and the fixture blocks 212 are used for coupling the fixture grooves 113 so as to clamp the backplane connector 1 and the daughter board connector 2.
Preferably, the head base 21 further includes a head push rod 213 and a head insertion hole 214, the head push rod 213 is disposed on an end surface of an insertion interface of the head insertion hole 214, and the head push rod 213 is used for pushing the seat dust-proof plate 131 to rotate when the backplane connector 1 is inserted into the daughter board connector 2, so as to open the seat dust-proof door 13.
Preferably, the daughter board connector 2 further includes a locking member 24, and the locking member 24 is sleeved outside the header base 21.
Preferably, the backplane connector 1 further comprises a sealing ring 14, wherein the sealing ring 14 is disposed on an end surface of the shield 12 at the insertion interface.
In a second aspect, the present invention also provides a method for using a dust-proof mated optical fiber adapter, where the method for using a dust-proof mated optical fiber adapter as described in the first aspect includes:
connecting the backplane connector 1 with a backplane and mounting the first fiber connector 3 into the socket base 11;
connecting the daughter board connector 2 with a board card, and mounting the second optical fiber connector 4 into the head base 21;
when the backplane connector 1 is plugged with the backplane connector 2, the backplane connector 2 pushes the seat dust-proof plate 131 to rotate so as to open the seat dust-proof door 13, the seat dust-proof plate 131 rotates to drive the seat rotating shaft 132 to drive the knob 133 to rotate, the knob 133 rotates to drive the protective cover 12 to move, when the backplane connector 1 is plugged with the backplane connector 2, the protective cover 12 abuts against the inner side of the head inner shell 22, and the first optical fiber connector 3 is in optical butt contact with the second optical fiber connector 4.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, the dustproof door is combined with the protective cover, when the backplane connector 1 is plugged with the daughter board connector 2, the protective cover 12 is tightly attached to the inner side of the daughter board connector 2, and as the protective cover 12 is tightly attached to the inner side of the daughter board connector 2, a large amount of dust can be effectively prevented from entering the end face of the optical fiber connector in the use process after the backplane connector 1 is plugged with the daughter board connector 2, so that the use performance of the optical fiber connector is improved.
[ description of the drawings ]
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments of the present invention will be briefly described below. It is obvious that the drawings described below are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
Fig. 1 is a schematic view of an assembly structure of a daughterboard connector and a backplane connector of a dustproof mating optical fiber adapter according to an embodiment of the present invention;
fig. 2 is an exploded view of a backplane connector for a dust-protected mating fiber optic adapter according to an embodiment of the present invention;
fig. 3 is an exploded view of a backplane connector for a dust-protected mating fiber optic adapter according to an embodiment of the present invention;
fig. 4 is an exploded view of a dust-protected fiber adapter-mated daughterboard connector according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a head base of a dustproof adaptor adapter according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a protrusion inside a header inner housing of a dustproof type optical fiber adapter according to an embodiment of the present invention;
fig. 7 is a schematic structural diagram illustrating a dustproof optical fiber adapter-connected daughterboard connector according to an embodiment of the present invention when the daughterboard connector is plugged into the backplane connector without pushing a dust-proof door;
fig. 8 is a schematic structural diagram illustrating a dustproof mating optical fiber adapter configured in an embodiment of the present invention when a backplane connector pushes a dust-proof door away from the backplane connector when the backplane connector is plugged into the backplane connector;
fig. 9 is a schematic structural diagram of a dust-proof adaptor for adapting a fiber adapter according to an embodiment of the present invention when a daughterboard connector and a backplane connector are completely plugged;
fig. 10 is a flow chart illustrating a method for using a dustproof type optical fiber adapter according to an embodiment of the present invention.
[ detailed description ] embodiments
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the description of the present invention, the terms "inner", "outer", "longitudinal", "lateral", "upper", "lower", "top", "bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are for convenience only to describe the present invention without requiring the present invention to be necessarily constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
Example 1:
embodiment 1 of the present invention provides a dust-proof type adapter for adapting optical fibers, as shown in fig. 1, including: the backplane connector 1 and the daughter board connector 2 form a plugging structure;
the daughter board connector 2 includes a header base 21 and a header inner shell 22, where the header inner shell 22 is used to be sleeved outside the header base 21;
as shown in fig. 4, the daughter board connector 2 includes a header housing 25, a header dust-proof door 23, a header inner housing 22, a header base 21 and a locking member 24, where the header base 21 is used to connect the second optical fiber connector 4, and after the assembled daughter board connector 2 is mounted with the board card through left and right screws, the locking member 24 is sleeved outside the header base 21, specifically, the locking member 24 is elastically connected with the header base 21 by a spring; the head inner shell 22 is sleeved outside the head base 21 on which the locking piece 24 is installed, and the specific sleeving manner is that the head inner shell 22 and the head base 21 can be connected in a buckling manner and the like; the head outer shell 25 is sleeved outside the head inner shell 22, and the specific sleeving manner is that the head outer shell 25 and the head inner shell 22 are fixedly installed in a buckling or bonding manner and the like; the side wall of the head inner shell 22 is provided with a circular hole for connecting with the head dustproof door 23, wherein the head dustproof door 23 is a split head dustproof door. As shown in fig. 6, a square protrusion 221 is disposed inside the header inner shell 22, and when the daughter board connector 2 is inserted into the backplane connector 1, the protrusion 221 is used to press against the sealing ring 14 of the shield 12, so as to achieve a sealing effect; when the daughter board connector 2 is pulled out from the backplane connector 1, the square protrusion 221 is used to push the locking member 24 to move away from the backplane connector 1, so that the locking slot 113 and the locking block 212 are unlocked to facilitate the pulling out of the daughter board connector 2 from the backplane connector 1.
The backplane connector 1 comprises a base 11, a protective cover 12 and a dustproof door 13, wherein the base 11 is used for connecting a first optical fiber connector 3, the protective cover 12 is used for being sleeved outside the base 11, and a through hole 111 is formed in the side wall of the socket of the base 11; the seat dust-proof door 13 includes a seat dust-proof plate 131, a seat rotation shaft 132 and a knob 133, the knob 133 may be made of elastic material, the seat rotation shaft 132 is connected to the seat dust-proof plate 131, the seat rotation shaft 132 is used to pass through the through hole 111 to connect the seat dust-proof plate 131 to the seat base 11, and one end of the seat rotation shaft 132 passing through the through hole 111 and extending to the outside of the seat base 11 is connected to the knob 133; the protective cover 12 is provided with an opening 121 for accommodating the knob 133, when the backplane connector 1 is plugged with the daughter board connector 2, the seat rotating shaft 132 drives the knob 133 to rotate, and the protective cover 12 is driven by the knob 133 to move, so that the protective cover 12 is pressed against the inner side of the header inner shell 22.
As shown in fig. 2, the backplane connector 1 includes a seat housing 15, a protective cover 12, a seat base 11 and a seat dust-proof door 13, when the backplane connector 1 is connected to a backplane, the seat base 11 is fixedly connected to the backplane through screws, then the protective cover 12 is sleeved on the outside of the seat base 11, and finally the seat housing 15 is sleeved on the outside of the seat base 11 on which the protective cover 12 is mounted, and the seat housing 15 is fixedly connected to the backplane through screws; as shown in fig. 3, the side wall of the socket of the seat base 11 is provided with four through holes 111, and the seat dust-proof door 13 is a split seat dust-proof door, that is, the seat dust-proof door 13 includes: the seat dust-proof door structure comprises two seat dust-proof plates 131 which are arranged in an up-and-down symmetrical mode and seat rotating shafts 132 which are fixedly connected with two seat dust-proof doors 13 respectively, when the seat dust-proof doors 13 are installed on a seat base 11, the seat rotating shafts 132 corresponding to the seat dust-proof plates 131 above pass through two through holes 111 above the seat base 11, one ends of the seat rotating shafts 132 extending out of the outer side of the seat base 11 are connected with a knob 133, the knob 133 can be an oval knob 133, wherein the end faces of the seat rotating shafts 132 corresponding to the seat dust-proof plates 131 above are connected with the position, close to the lower center, of the oval knob 133; the seat rotation shaft 132 corresponding to the lower seat dust-proof plate 131 passes through the two through holes 111 below the seat base 11, one end of the seat rotation shaft 132 extending out of the seat base 11 is connected to the knob 133, the knob 133 may be an elliptical knob 133, wherein the end surface of the seat rotation shaft 132 corresponding to the lower seat dust-proof plate 131 is connected to the position above the center of the elliptical knob 133, and this embodiment is merely an example and is not intended to limit the present invention.
As shown in fig. 3, the shield 12 is provided with four openings 121 for receiving the knobs 133, wherein the openings 121 may be square openings 121.
When the backplane connector 1 is plugged with the daughter board connector 2, the seat rotating shaft 132 drives the knob 133 to rotate, and the knob 133 drives the protection cover 12 to move, so that the protection cover 12 is pressed against the inner side of the header inner shell 22.
This embodiment provides a grafting process after first fiber connector 3 and second fiber connector 4 are installed respectively to backplane connector 1 and daughterboard connector 2, specifically is:
when the daughter board connector is not in contact with the backplane connector, as shown in fig. 7;
in the process of pushing the daughter board connector 2 toward the backplane connector 1, as shown in fig. 8, the seat pushing rods 112 on both sides of the seat base 11 first contact the header dust-proof doors 23, and the seat pushing rods 112 push the header dust-proof doors 23 away in the pushing process of the daughter board connector 2; the daughter board connector 2 continues to advance toward the backplane connector 1, the head push rod 213 of the head base 21 contacts the seat dust-proof door 13, and the head push rod 213 pushes away the seat dust-proof plates 131, which are arranged up and down and correspond to the split seat dust-proof door 13, in a pushing process of the daughter board connector 2, as shown in a left diagram of an arrow in fig. 8, until the seat dust-proof plates 131 arranged up and down rotate 90 degrees respectively (i.e., the seat dust-proof plate 131 arranged above rotates 90 degrees clockwise, and the seat dust-proof plate 131 arranged below rotates 90 degrees counterclockwise), and the seat dust-proof plate 131 is placed between the seat base 11 and the head base 21 (i.e., is placed inside the seat base 11 and outside the head base 21); when the seat dust-proof plates 131 arranged up and down rotate 90 degrees respectively, the seat rotating shafts 132 corresponding to the seat dust-proof plates 131 arranged up and down are driven to rotate clockwise and counterclockwise respectively, as shown in the right diagram of the arrow of fig. 8, so as to drive the seat rotating shafts 132 arranged up and down to rotate 90 degrees clockwise and counterclockwise respectively corresponding to the knobs 133, at this time, the side walls of the knobs 133 corresponding to the seat rotating shafts 132 arranged up and down can be pressed against the side walls of the openings 121 of the protective covers 12 close to the insertion ports, so that the protective covers 12 move towards the direction of the daughter board connector 2, and the sealing rings 14 of the protective covers 12 press the square protrusions 221 arranged inside the header inner shell 22. When the seat dust-proof plates 131 are rotated 90 degrees upwards and downwards respectively, the first optical fiber connector 3 and the second optical fiber connector 4 are not yet in optical butt contact (i.e. the daughterboard connector 2 and the backplane connector 1 are not yet inserted into each other), as shown in the diagram at the left side of the arrow of fig. 9, at this time, the daughterboard connector 2 continues to be pushed towards the backplane connector 1, the second wedge-shaped protrusion 211 arranged outside the head base 21 pushes the first wedge-shaped protrusion 134, so that the seat dust-proof plates 131 are rotated upwards and downwards respectively on the basis of 90 degrees upwards and downwards, as shown in the diagram at the right side of the arrow of fig. 9, so as to drive the seat rotating shafts 132 to be arranged up and down to continue to move clockwise and anticlockwise on the basis of 90 degrees clockwise and anticlockwise corresponding to the knobs 133, at this time, the side wall of the knob 133 corresponding to the seat rotating shaft 132 arranged up and down may further abut against the side wall of the opening 121 of the protective cover 12 near the insertion interface, so that the protective cover 12 further moves toward the daughter board connector 2 (i.e., when the daughter board connector 2 advances toward the backplane connector 1, the knob 133 may push the protective cover 12 further moves toward the daughter board connector 2), when the daughter board connector 2 is inserted into the backplane connector 1, the slot 113 is engaged with the block 212 to limit the daughter board connector 2 and the backplane connector 1, and the sealing ring 14 of the protective cover 12 tightly abuts against the square protrusion 221 arranged inside the header inner shell 22, which may effectively ensure that there is no dust on the end surfaces of the first optical fiber connector 3 and the second optical fiber connector 4 during the insertion process of the daughter board connector 2 and the backplane connector 1 and during the use process of the daughter board connector 2 and the backplane connector 1 after the insertion process are completed And (6) adding.
In order to ensure that the daughter board connector 2 and the backplane connector 1 are plugged, the knob 133 pushes the protective cover 12 to move toward the daughter board connector 2, so that the sealing ring 14 of the protective cover 12 is tightly pressed against the square protrusion 221 inside the header housing 22; the seat dust guard 131 is provided with a first wedge-shaped projection 134; the section of the first wedge-shaped projection 134 is a right triangle, and the length of the hypotenuse of the section of the first wedge-shaped projection 134 is smaller than the length of the section of the seat dust guard 131, so as to ensure that the seat dust guard 13 can be opened under the pushing action of the head push rod 213, where the shape of the first wedge-shaped projection 134 can be set according to the requirement, and the shape that the opening of the seat dust guard 13 is not affected and the knob 133 can be driven to rotate under the pushing action of the second wedge-shaped projection 211 so as to push the protective cover 12 to move towards the direction of the daughter board connector 2 is within the protection scope of the present invention.
As shown in fig. 5, a second wedge-shaped protrusion 211 is disposed on an outer portion of the head base 21, and the second wedge-shaped protrusion 211 is configured to push the seat dust guard 131 provided with the first wedge-shaped protrusion 134 to rotate around the seat rotation shaft 132, so that the rotation of the knob 133 drives the shield 12 to move.
As shown in fig. 8-9, a second wedge-shaped protrusion 211 is disposed outside the head base 21, wherein the cross section of the second wedge-shaped protrusion 211 is a right triangle, the second wedge-shaped protrusion 211 is disposed at a position near the insertion interface at the front end of the locking member 24, the second wedge-shaped protrusion 211 is engaged with the first wedge-shaped protrusion 134, so that when the daughter board connector 2 is pushed toward the backplane connector 1, the upper and lower seat dust-proof plates 131 respectively rotate upward and downward by 90 degrees, and then the upper and lower seat rotating shafts 132 are driven to move clockwise and counterclockwise relative to the corresponding knobs 133 by rotating 90 degrees clockwise and counterclockwise, at this time, the side walls of the knobs 133 corresponding to the upper and lower seat rotating shafts 132 will further press against the side walls of the openings 121 of the protective covers 12 near the insertion interface, the protective cover 12 is further moved toward the daughter board connector 2 (i.e., when the daughter board connector 2 is further pushed toward the backplane connector 1, the knob 133 pushes the protective cover 12 to further move toward the daughter board connector 2), so that the sealing ring 14 of the protective cover 12 tightly presses against the square protrusion 221 provided inside the header inner housing 22.
In order to make the backplane connector 1 in an unused state, the receptacle dust-proof door 13 is in a closed state so as to protect the end face of the first optical fiber connector 3 in the backplane connector 1 from dust, as shown in fig. 3, the receptacle dust-proof door 13 further includes a receptacle L-shaped spring 135, a corner of the receptacle L-shaped spring 135 is connected to the receptacle rotating shaft 132, and when the backplane connector 1 is not in use, the receptacle L-shaped spring 135 provides the receptacle dust-proof plate 131 with elastic force so as to make the receptacle dust-proof door 13 in the closed state.
In order to protect the end face of the second optical fiber connector 4 in the daughter board connector 2 when the daughter board connector 2 is not used or during the process of plugging the daughter board connector 2 with the backplane connector 1, as shown in fig. 4, the daughter board connector 2 further includes a header dust-proof door 23, and the header dust-proof door 23 is disposed at the plug interface of the header inner housing 22.
When the daughter board connector 2 is plugged with the backplane connector 1, in order to open the header dustproof door 23 of the daughter board connector 2, the seat base 11 further includes a seat push rod 112 and a slot 113, wherein the slot 113 is disposed on two sides of the seat base 11, the seat push rod 112 is disposed on an end surface of a plugging port of the slot 113, and the seat push rod 112 is used for pushing the header dustproof door 23 to open when the backplane connector 1 is plugged with the daughter board connector 2.
In order to enable the daughterboard connector 2 to be limited when the daughterboard connector 1 is inserted, the head base 21 further includes fixture blocks 212, the fixture blocks 212 are disposed at two sides of the head base 21, and the fixture blocks 212 are used for being coupled with the fixture grooves 113 so as to enable the daughterboard connector 1 to be clamped with the daughterboard connector 2, so that the daughterboard connector 2 is inserted with the daughterboard connector 1.
When the daughterboard connector 2 is plugged with the backplane connector 1, in order to open the seat dust-proof door 13 of the backplane connector 1, the head base 21 further includes a head push rod 213 and a head jack 214, wherein the head jack 214 is used for accommodating the second optical fiber connector 4, the head push rod 213 is disposed at an end surface of a plug interface of the head jack 214, and the head push rod 213 is used for pushing the seat dust-proof door 131 to rotate when the backplane connector 1 is plugged with the daughterboard connector 2, so as to open the seat dust-proof door 13.
The seat base 11 further includes a seat jack, the seat jack is used for accommodating the first optical fiber connector 3, a groove matched with the head push rod 213 is formed in an end face of a socket of the seat jack, and when the daughterboard connector 2 and the backplane connector 1 complete plugging, the groove is used for accommodating the head push rod 213.
The daughter board connector 2 further includes a locking member 24, and the locking member 24 is sleeved outside the header base 21. Specifically, the locking member 24 is elastically connected to the outside of the head base 21 through a spring, when the daughter board connector 2 is pulled out of the backplane connector 1, the square protrusion 221 provided on the head inner housing 22 abuts against the locking member 24, and the locking member 24 drives the latch 212 to disengage from the latch 113 under the action of the square protrusion 221, so that the daughter board connector 2 is pulled out of the backplane connector 1.
In order to provide a better sealing function between the daughterboard connector 2 and the backplane connector 1, the backplane connector 1 further includes a sealing ring 14, and the sealing ring 14 is disposed on an end surface of the shield 12 at the insertion interface. When the daughter board connector 2 and the backplane connector 1 are inserted, the sealing ring 14 tightly presses against the square protrusion 221 disposed on the header inner housing 22 to achieve a sealing effect.
This embodiment is through combining seat dust door 13 with the dust cover, works as backplane connector 1 with when daughterboard connector 2 accomplishes the grafting, protection casing 12 with the protruding 221 of the square that first inner shell 22 set up closely laminates, because protection casing 12 with the inboard of daughterboard connector 2 closely laminates, backplane connector 1 with daughterboard connector 2 accomplishes the back in-process of pegging graft, can effectively prevent a large amount of dusts entering fiber connector's terminal surface to improve fiber connector's performance.
Example 2
The invention further provides a method for using the dustproof type optical fiber adapter, which uses the dustproof type optical fiber adapter described in embodiment 1, and as shown in fig. 10, the method includes:
the backplane connector 1 is connected with a backplane, a seat base 11 is fixedly connected with the backplane through screws, then a protective cover 12 is sleeved outside the seat base 11, finally a seat shell 15 is sleeved outside the seat base 11 with the protective cover 12 installed, the seat shell 15 is fixedly connected with the backplane through screws, then the first optical fiber connector 3 is installed in the seat base 11, and the backplane connector 1 is in a sealed state;
the daughter board connector 2 is connected with the daughter board, the head inner shell 22 is installed with the board card through a left screw and a right screw, and the locking piece 24 is sleeved outside the head base 21, specifically, the locking piece 24 is elastically connected with the head base 21 through a spring; inserting the head base 21 with the locking member 24 installed into the head inner shell 22, and sleeving the head inner shell 22 on the outside of the head base 21 with the locking member 24 installed, wherein the sleeving manner is that the head inner shell 22 and the head base 21 can be connected in a buckling manner and the like; the head outer shell 25 is sleeved outside the head inner shell 22, specifically, the head outer shell 25 and the head inner shell 22 are fixedly mounted in a fastening or bonding manner, and then the first optical fiber connector 3 is mounted in the head base 21, and at this time, the daughter board connector 2 is in a sealed state;
When the daughter board connector is not in contact with the backplane connector, as shown in fig. 7;
in the process of pushing the daughter board connector 2 toward the backplane connector 1, as shown in fig. 8, the seat pushing rods 112 on both sides of the seat base 11 first contact the header dust-proof doors 23, and the seat pushing rods 112 push the header dust-proof doors 23 away in the pushing process of the daughter board connector 2; the daughter board connector 2 continues to advance toward the backplane connector 1, the head push rod 213 of the head base 21 contacts the seat dust-proof door 13, and the head push rod 213 pushes away the seat dust-proof plates 131, which are arranged up and down and correspond to the split seat dust-proof door 13, in a pushing process of the daughter board connector 2, as shown in a left diagram of an arrow in fig. 8, until the seat dust-proof plates 131 arranged up and down rotate 90 degrees respectively (i.e., the seat dust-proof plate 131 arranged above rotates 90 degrees clockwise, and the seat dust-proof plate 131 arranged below rotates 90 degrees counterclockwise), and the seat dust-proof plate 131 is placed between the seat base 11 and the head base 21 (i.e., is placed inside the seat base 11 and outside the head base 21); when the seat dust-proof plates 131 arranged up and down rotate 90 degrees respectively, the seat rotating shafts 132 corresponding to the seat dust-proof plates 131 arranged up and down are driven to rotate clockwise and counterclockwise respectively, as shown in the right diagram of the arrow of fig. 8, so as to drive the seat rotating shafts 132 arranged up and down to rotate 90 degrees clockwise and counterclockwise respectively corresponding to the knobs 133, at this time, the side walls of the knobs 133 corresponding to the seat rotating shafts 132 arranged up and down can be pressed against the side walls of the openings 121 of the protective covers 12 close to the insertion ports, so that the protective covers 12 move towards the direction of the daughter board connector 2, and the sealing rings 14 of the protective covers 12 press the square protrusions 221 arranged inside the header inner shell 22. When the seat dust-proof plates 131 are rotated 90 degrees upwards and downwards respectively, the first optical fiber connector 3 and the second optical fiber connector 4 are not yet in optical butt contact (i.e. the daughterboard connector 2 and the backplane connector 1 are not yet inserted into each other), as shown in the diagram at the left side of the arrow of fig. 9, at this time, the daughterboard connector 2 continues to be pushed towards the backplane connector 1, the second wedge-shaped protrusion 211 arranged outside the head base 21 pushes the first wedge-shaped protrusion 134, so that the seat dust-proof plates 131 are rotated upwards and downwards respectively on the basis of 90 degrees upwards and downwards, as shown in the diagram at the right side of the arrow of fig. 9, so as to drive the seat rotating shafts 132 to be arranged up and down to continue to move clockwise and anticlockwise on the basis of 90 degrees clockwise and anticlockwise corresponding to the knobs 133, at this time, the side wall of the knob 133 corresponding to the seat rotating shaft 132 arranged up and down may further abut against the side wall of the opening 121 of the protective cover 12 near the insertion interface, so that the protective cover 12 further moves toward the daughter board connector 2 (i.e., when the daughter board connector 2 advances toward the backplane connector 1, the knob 133 may push the protective cover 12 further moves toward the daughter board connector 2), when the daughter board connector 2 is inserted into the backplane connector 1, the slot 113 is engaged with the block 212 to limit the daughter board connector 2 and the backplane connector 1, and the sealing ring 14 of the protective cover 12 tightly abuts against the square protrusion 221 arranged inside the header inner shell 22, which may effectively ensure that there is no dust on the end surfaces of the first optical fiber connector 3 and the second optical fiber connector 4 during the insertion process of the daughter board connector 2 and the backplane connector 1 and during the use process of the daughter board connector 2 and the backplane connector 1 after the insertion process are completed And (6) adding.
Claims (10)
1. A dust protected mated fiber optic adapter, comprising: the backplane connector and the daughter board connector form a plugging structure;
the daughter board connector comprises a head base and a head inner shell, wherein the head inner shell is used for being sleeved outside the head base;
the backplane connector comprises a seat base, a protective cover and a seat dustproof door, wherein the protective cover is sleeved outside the seat base, and a through hole is formed in the side wall of the socket of the seat base;
the seat dustproof door comprises a seat dustproof plate, a seat rotating shaft and a knob, the seat rotating shaft is connected with the seat dustproof plate, the seat rotating shaft is used for penetrating through the through hole to enable the seat dustproof plate to be connected with the seat base, and one end of the seat rotating shaft, which penetrates through the through hole and extends to the outer side of the seat base, is connected with the knob;
the protection casing is provided with and holds the opening of knob, when the backplate connector with the daughterboard connector is pegged graft, the seat pivot drives the knob rotates, drives through the knob the protection casing motion makes the protection casing with the inboard of head inner shell supports to press.
2. The dust-protected adaptor fiber optic adapter of claim 1, wherein said socket dust guard is provided with a first wedge-shaped projection;
the outside of head base sets up second wedge lug, second wedge lug is used for promoting the seat dust guard that is provided with first wedge lug is round the seat pivot rotates, thereby makes the rotation of knob drives the motion of protection casing.
3. The dust protected mated optical fiber adapter as claimed in claim 1, wherein the housing dust door further comprises a housing L-shaped spring, the housing L-shaped spring having a corner connected to the housing pivot, the housing L-shaped spring providing a housing dust panel spring force to close the housing dust door when the backplane connector is not in use.
4. The dust-protected fiber optic adapter according to claim 1, wherein the daughterboard connector further comprises a header dust door disposed at the interface of the header inner housing.
5. The dust-proof adaptor adapter according to claim 4, wherein the base further comprises a base push rod and a slot, wherein the slot is disposed on two sides of the base, the base push rod is disposed on an end surface of the slot at the insertion interface, and the base push rod is used for pushing the dust-proof door to open when the backplane connector is inserted into the daughter board connector.
6. The dust-proof adaptor adapter according to claim 5, wherein the head base further comprises clamping blocks, the clamping blocks are disposed on two sides of the head base, and the clamping blocks are used for coupling the clamping grooves so that the backplane connector is clamped with the daughter board connector.
7. The dust-proof adaptor-connected optical fiber adapter according to claim 1, wherein the header base further comprises a header push rod and a header insertion hole, the header push rod is disposed on an end surface of an insertion interface of the header insertion hole, and the header push rod is used for pushing the header dust-proof plate to rotate when the backplane connector is inserted into the daughter board connector, so as to open the header dust-proof door.
8. The dust-protected fiber optic adapter according to claim 1, wherein the daughterboard connector further comprises a locking member that is sleeved outside the header base.
9. The dust-protected mated optical fiber adapter as claimed in any one of claims 1 to 8, wherein the backplane connector further comprises a sealing ring disposed at an end face of the protective cover insertion interface.
10. A method of using a dust-protected mated optical fiber adapter according to any one of claims 1-9, the method comprising:
connecting the backplane connector with a backplane and mounting a first fiber optic connector into a socket base;
connecting the daughter board connector with a board card, and installing a second optical fiber connector into a head base;
when the backplane connector is plugged with the backplane connector, the backplane connector pushes the seat dust guard to rotate so as to open the seat dust guard door, the seat rotating shaft is driven by the rotation of the seat dust guard to rotate the knob, the rotation of the knob drives the protective cover to move, when the backplane connector is plugged with the backplane connector, the protective cover is pressed against the inner side of the head inner shell, and the first optical fiber connector is in optical butt contact with the second optical fiber connector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110422246.8A CN113189712B (en) | 2021-04-20 | 2021-04-20 | Dustproof type adapter for adapting optical fibers and using method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110422246.8A CN113189712B (en) | 2021-04-20 | 2021-04-20 | Dustproof type adapter for adapting optical fibers and using method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113189712A true CN113189712A (en) | 2021-07-30 |
| CN113189712B CN113189712B (en) | 2022-04-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110422246.8A Active CN113189712B (en) | 2021-04-20 | 2021-04-20 | Dustproof type adapter for adapting optical fibers and using method thereof |
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| Country | Link |
|---|---|
| CN (1) | CN113189712B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030223703A1 (en) * | 1999-12-07 | 2003-12-04 | Wenzong Chen | Self-contained fiber optic connector module |
| CN110596821A (en) * | 2018-06-30 | 2019-12-20 | 中航光电科技股份有限公司 | Connector with dustproof door and connector assembly |
| CN110783758A (en) * | 2019-09-27 | 2020-02-11 | 中航光电科技股份有限公司 | Board-to-board connector with dustproof function and socket thereof |
| CN110797693A (en) * | 2019-09-27 | 2020-02-14 | 中航光电科技股份有限公司 | Inter-board connector with spring floating function |
| CN112162362A (en) * | 2020-09-04 | 2021-01-01 | 上海航天科工电器研究院有限公司 | Dustproof light backplane connector based on multi-section telescopic joint structure |
-
2021
- 2021-04-20 CN CN202110422246.8A patent/CN113189712B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030223703A1 (en) * | 1999-12-07 | 2003-12-04 | Wenzong Chen | Self-contained fiber optic connector module |
| CN110596821A (en) * | 2018-06-30 | 2019-12-20 | 中航光电科技股份有限公司 | Connector with dustproof door and connector assembly |
| CN110783758A (en) * | 2019-09-27 | 2020-02-11 | 中航光电科技股份有限公司 | Board-to-board connector with dustproof function and socket thereof |
| CN110797693A (en) * | 2019-09-27 | 2020-02-14 | 中航光电科技股份有限公司 | Inter-board connector with spring floating function |
| CN112162362A (en) * | 2020-09-04 | 2021-01-01 | 上海航天科工电器研究院有限公司 | Dustproof light backplane connector based on multi-section telescopic joint structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113189712B (en) | 2022-04-15 |
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