CN109932783B - Self-dustproof optical fiber plug, self-dustproof optical fiber socket and optical fiber connector assembly - Google Patents
Self-dustproof optical fiber plug, self-dustproof optical fiber socket and optical fiber connector assembly Download PDFInfo
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- CN109932783B CN109932783B CN201711352962.3A CN201711352962A CN109932783B CN 109932783 B CN109932783 B CN 109932783B CN 201711352962 A CN201711352962 A CN 201711352962A CN 109932783 B CN109932783 B CN 109932783B
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Abstract
The invention relates to a self-dustproof optical fiber plug, a self-dustproof optical fiber socket and an optical fiber connector assembly. The front end of the plug is provided with a plug sealing housing which can move forwards and backwards relative to the plug shell, the plug contact element is positioned in the plug sealing housing, the front end of the socket is provided with a socket sealing housing, the socket contact element is positioned in the socket sealing housing, the front opening of the plug sealing housing is provided with a plug sealing turnover door, the front opening of the socket sealing housing is provided with a socket sealing turnover door, and when the head seat is inserted, the plug sealing housing is pushed by the socket sealing housing and elastically retreats, so that the plug contact element relatively moves forwards to jack the plug turnover door and the socket turnover door and is inserted with the socket contact element. Plug and socket are in from dustproof state when not inserting each other and close, and at the in-process that closes of inserting, also can guarantee basic sealed, have further promoted sealed dustproof performance for can not influence fiber connector's signal transmission quality because of getting into dust and sand when adverse circumstances such as outdoor uses.
Description
Technical Field
The invention relates to a self-dustproof optical fiber plug, a self-dustproof optical fiber socket and an optical fiber connector assembly.
Background
With the development of communication technology, the application of optical fiber connectors for signal connection is becoming more and more widespread, and the dust prevention of the optical fiber connectors is especially important because the end of the optical fiber contact member is contaminated by dust, which can seriously affect the transmission quality of signals. There are a small amount of from dirt-proof fiber connector on the existing market, this type of connector has better dustproof effect when being in the independent state of not inserting with corresponding fiber connector, but when inserting each other, do not have fine dustproof protection especially in the in-process of inserting, lead to accumulating on fiber connector's casing and dust in the environment can get into the tip of its optic fibre contact member when the fiber connector that matches inserts, cause fiber connector's signal transmission to receive very big influence, restricted fiber connector's application under adverse circumstances.
Disclosure of Invention
The invention aims to provide an optical fiber connector assembly, which aims to solve the technical problem that the signal transmission of the optical fiber connector assembly is influenced because dust enters the end part of an optical fiber contact element in the process of oppositely inserting two optical fiber connectors of the conventional optical fiber connector assembly; the invention also aims to provide a self-dustproof optical fiber plug and a self-dustproof optical fiber socket.
In order to achieve the purpose, the optical fiber connector assembly adopts the following technical scheme:
the technical scheme 1: the optical fiber connector assembly comprises a plug and a socket, wherein the front end of the plug is provided with a plug sealing housing capable of moving back and forth relative to a plug shell, a plug contact element is positioned in the plug sealing housing, the front end of the socket is provided with a socket sealing housing, a socket contact element is positioned in the socket sealing housing, a plug sealing turnover door is arranged at the front opening of the plug sealing housing, a socket sealing turnover door is arranged at the front opening of the socket sealing housing, and when the head seat is inserted, the plug sealing housing is pushed by the socket sealing housing and elastically returns, so that the plug contact element relatively moves forward to push the plug sealing turnover door and the socket sealing turnover door to be inserted with the socket contact.
Has the advantages that: the plug and the socket of the optical fiber connector assembly are provided with the sealing turnover door for self dust prevention, so that the optical fiber connector assembly is in a dust prevention state when not plugged; when the head seat is plugged, the plug sealing housing is pushed backwards through the front end of the socket sealing housing to enable the plug contact element to push the plug sealing turnover door open, then the socket sealing turnover door is pushed open, the plug contact element enters the socket sealing housing to be plugged with the socket contact element, the plugging process is ingenious, the plug contact element and the socket contact element are attached to each other due to the existence of the elastic element in the plugging process, the basic sealing in the plugging process is guaranteed, and the sealing and dustproof performance is further improved.
The technical scheme 2 is as follows: on the basis of technical scheme 1, the lateral surface of the plug sealing turnover door is flush with the lateral surface of the front wall of the plug sealing housing. The plug sealing turnover door and the socket sealing turnover door can be attached to each other conveniently.
Technical scheme 3: on the basis of the technical scheme 1 or 2, the front wall of the socket sealing turnover door deviated from the socket sealing housing is hinged inside the socket sealing housing and closed in the front wall of the socket sealing housing. The plug sealing turnover door and the socket sealing turnover door can be attached to each other conveniently.
The technical scheme 4 is as follows: on the basis of technical scheme 3, the optical fiber connector assembly further comprises an elastic piece which provides elastic restoring force for the socket sealing turnover door and the plug sealing turnover door so that the two sealing turnover doors can be automatically closed.
The technical scheme 5 is as follows: on the basis of the technical scheme 4, the elastic part is a torsion spring.
The technical scheme 6 is as follows: on the basis of technical scheme 1 or 2, a sealing structure is arranged between the two sealing turnover doors and the corresponding opening enclosing wall.
The technical scheme 7 is as follows: on the basis of technical scheme 6, the sealing structure is an elastic sealing ring.
The technical scheme 8 is as follows: on the basis of technical scheme 1 or 2, the front end of the socket sealing housing is provided with a guide section for inserting the plug sealing housing, and the guide section and the plug sealing housing are matched with the key groove through a key to guide.
Technical scheme 9: on the basis of technical scheme 8, the guide section is in sliding seal fit with the plug seal housing. Ensuring the sealing performance of the insertion process.
Technical scheme 10: on the basis of technical scheme 1 or 2, the plug still includes the swivel nut of rotation assembly outside the sealed encloser of plug, and the periphery of the sealed encloser of socket is equipped with the external screw thread, and the swivel nut passes through the external screw thread screw-thread fit of internal thread and the sealed encloser of socket.
Technical scheme 11: in addition to the above-described means 1 or 2, the plug contact and the socket contact are guided by the guide pins and the pin holes when they are inserted.
Technical scheme 12: on the basis of the technical scheme 1 or 2, the hinge position of the plug sealing turnover door is higher than that of the socket sealing turnover door. The opening and closing angle of the socket sealing turnover door is ensured to be large enough.
Technical scheme 13: on the basis of technical scheme 12, the position of the hinge point of the plug sealing turnover door is higher than the bottom edge position of the opening on the front wall of the socket sealing cover shell. The opening and closing angle of the plug sealing turnover door is ensured to be large enough.
The self-dustproof optical fiber plug adopts the following technical scheme:
the technical scheme 1: the front end of the plug is provided with a plug sealing cover shell which can move back and forth relative to the plug shell, the plug contact element is positioned in the plug sealing cover shell, a plug sealing turnover door is arranged at a front opening of the plug sealing cover shell, and the front end of the plug sealing cover shell is provided with a force bearing part which is pushed by a pushing part at the front end of the socket sealing cover shell matched with the socket in the plugging process to elastically return and enable the plug contact element to be exposed from the plug sealing turnover door to be plugged with the socket contact element.
Has the advantages that: the socket is provided with the sealing turnover door for self dust prevention, so that the socket is in a dust prevention state when not inserted and closed; when the head seat is plugged, the plug sealing housing is pushed backwards through the front end of the socket sealing housing to enable the plug contact element to push the plug sealing turnover door open, then the socket sealing turnover door is pushed open, the plug contact element enters the socket sealing housing to be plugged with the socket contact element, the plugging process is ingenious, the plug contact element and the socket contact element are attached to each other due to the existence of the elastic element in the plugging process, the basic sealing in the plugging process is guaranteed, and the sealing and dustproof performance is further improved.
The technical scheme 2 is as follows: on the basis of technical scheme 1, the lateral surface of the plug sealing turnover door is flush with the lateral surface of the front wall of the plug sealing housing.
Technical scheme 3: on the basis of technical scheme 1 or 2, from dustproof fiber optic plug still includes and provides the elastic restoring force for plug seal flip door so that plug seal flip door can automatic closed's elastic component.
The technical scheme 4 is as follows: on the basis of the technical scheme 3, the elastic part is a torsion spring.
The technical scheme 5 is as follows: on the basis of technical scheme 1 or 2, a sealing structure is arranged between the plug sealing turnover door and the corresponding opening surrounding wall.
The technical scheme 6 is as follows: on the basis of the technical scheme 5, the sealing structure is an elastic sealing ring.
The technical scheme 7 is as follows: on the basis of the technical scheme 1 or 2, the plug sealing housing is provided with a key strip which is used for being matched with a key groove on a guide section of the adaptive socket in a guiding mode.
The technical scheme 8 is as follows: on the basis of the technical scheme 1 or 2, the plug further comprises a threaded sleeve which is rotatably assembled outside the plug sealing housing and is used for being in threaded fit with the external thread of the socket sealing housing through the internal thread.
Technical scheme 9: on the basis of the technical scheme 1 or 2, the shell where the plug contact is located is provided with a pin hole used for being in guiding fit with a corresponding guide pin on the socket.
The self-dustproof optical fiber socket adopts the following technical scheme:
the technical scheme 1: the front end of the socket is provided with a socket sealing encloser, a socket contact element is positioned in the socket sealing encloser, a socket sealing turnover door is arranged at a front opening of the socket sealing encloser, and the front end of the socket sealing encloser is also provided with a pushing part which pushes a bearing part at the front end of a plug sealing encloser matched with a plug in an inserting and closing process to enable the bearing part to retreat and the plug contact element in the pushing part to be exposed from the plug sealing turnover door to be inserted and closed with the socket contact element.
Has the advantages that: the plug is provided with the sealing turnover door for self dust prevention, so that the plug is in a dust prevention state when not inserted into each other; when the head seat is plugged, the plug sealing housing is pushed backwards through the front end of the socket sealing housing to enable the plug contact element to push the plug sealing turnover door open, then the socket sealing turnover door is pushed open, the plug contact element enters the socket sealing housing to be plugged with the socket contact element, the plugging process is ingenious, the plug contact element and the socket contact element are attached to each other due to the existence of the elastic element in the plugging process, the basic sealing in the plugging process is guaranteed, and the sealing and dustproof performance is further improved.
The technical scheme 2 is as follows: on the basis of the technical scheme 1, the front wall of the socket sealing turnover door deviated from the socket sealing housing is hinged inside the socket sealing housing and is closed in the front wall of the socket sealing housing.
Technical scheme 3: on the basis of technical scheme 1 or 2, the self-dustproof fiber optic socket further comprises an elastic piece which provides elastic restoring force for the socket sealing turnover door so that the socket sealing turnover door can be automatically closed.
The technical scheme 4 is as follows: on the basis of the technical scheme 3, the elastic part is a torsion spring.
The technical scheme 5 is as follows: on the basis of technical scheme 1 or 2, a sealing structure is arranged between the socket sealing turnover door and the corresponding opening surrounding wall.
The technical scheme 6 is as follows: on the basis of the technical scheme 5, the sealing structure is an elastic sealing ring.
The technical scheme 7 is as follows: on the basis of technical scheme 1 or 2, the front end of the socket sealing housing is provided with a guide section for inserting the plug sealing housing, and the guide section is provided with a key groove for guiding and matching with the key strip on the plug sealing housing.
The technical scheme 8 is as follows: on the basis of the technical scheme 1 or 2, a shell on which the socket contact is arranged is provided with a guide pin which is used for guiding and matching with a corresponding pin hole on the adaptive plug.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of a fiber optic connector assembly according to the present invention, wherein a fiber optic plug and a fiber optic receptacle are in an initial mating state;
FIG. 2 is a schematic structural view of the fiber optic plug of FIG. 1;
FIG. 3 is a schematic diagram of the fiber optic receptacle of FIG. 1;
FIG. 4 is a schematic view of the fiber optic connector assembly of FIG. 1 during mating;
FIG. 5 is a schematic view of the fiber optic connector assembly of FIG. 4 after it is inserted into place;
in the figure: 100-optical fiber connector component, 101-optical cable, 102-sealing ring, 103-positioning claw, 104-wire sealing body, 105-tail nut, 106-spring, 107-torsion spring, 108-pin shaft, 1-optical fiber plug, 11-movable sleeve, 111-key strip, 12-plug front shell, 13-thread sleeve, 14-snap spring, 15-optical fiber jack contact, 16-plug dust door, 17-guiding hole and 18-plug rear shell; 2-optical fiber socket, 23-socket dustproof door, 24-fixing sleeve, 241-key groove, 25-socket shell, 26-optical fiber pin contact, 27-guide pin, 28-set screw and 29-square disc rubber pad.
Detailed Description
The following further describes embodiments of the present invention with reference to the drawings.
The optical fiber connector assembly comprises a plug and a socket, wherein the front end of the plug is provided with a plug sealing housing capable of moving back and forth relative to a plug shell, a plug contact element is positioned in the plug sealing housing, the front end of the socket is provided with a socket sealing housing, a socket contact element is positioned in the socket sealing housing, a plug sealing turnover door is arranged at the front opening of the plug sealing housing, a socket sealing turnover door is arranged at the front opening of the socket sealing housing, and when the head seat is inserted, the plug sealing housing is pushed by the socket sealing housing and elastically returns, so that the plug contact element relatively moves forward to push the plug sealing turnover door and the socket sealing turnover door to be inserted with the socket contact. The term "front" refers to the side of the mating end of the plug and the side of the mating end of the receptacle, and "rear" refers to the side of the plug and receptacle away from the mating end, i.e., the side of the terminal. The front end of the socket sealing housing is provided with a guide section for inserting the plug sealing housing, and the guide section is provided with a key groove for guiding and matching with the key strip on the plug sealing housing. The guide section and the socket sealing cover shell can be separated or integrated. The hinge position of the plug sealing turnover door is higher than that of the socket sealing turnover door, and the hinge point position of the plug sealing turnover door is higher than the bottom edge position of an opening on the front wall of the socket sealing cover shell.
In the embodiment of the optical fiber connector assembly of the present invention, as shown in fig. 1, the optical fiber connector assembly 100 includes an optical fiber plug 1 and an optical fiber receptacle, the optical fiber plug 1 and the optical fiber receptacle respectively have a connection end and a plugging end, the housings of the plugging end and the connection end are sealed housings, the connection end is used for connecting an optical cable 101, and the plugging end is used for being plugged and matched with each other so as to facilitate the mutual plugging and matching of optical fiber contacts inside the optical fiber plug 1 and the optical fiber receptacle. Wherein all be equipped with from dustproof construction on optical fiber plug 1 and the fiber socket, from dustproof construction including sealed turnover door and establish the elastic sealing ring on the door limit of sealed turnover door, make optical fiber plug 1 and fiber socket homoenergetic dustproof when independently using, prevent that the dust from getting into the tip of optical fiber contact, and simultaneously, optical fiber plug 1 and fiber socket still have and carry out sealed seal structure when the grafting cooperation, make optical fiber plug 1 and fiber socket still can be sealed with the external world when the grafting cooperation, prevent that the dust from getting into the tip of the optical fiber contact of just pegging graft.
As shown in fig. 2, the optical fiber plug 1 includes a front plug housing 12 and a rear plug housing, the front plug housing 12 and the rear plug housing are connected by a screw thread, and a sealing ring 102 is disposed at a mating surface of the connection for sealing, and the sealing ring 102 may be a rubber O-ring 102 or a sealing ring 102 with another cross-sectional shape. Wherein the front end of the plug front housing 12 is provided with a guiding hole and a mounting hole for mounting the optical fiber jack contact member 15, a positioning claw 103 is arranged in the mounting hole for fixing the optical fiber jack contact member 15, and small spiral elasticity is arranged in the optical fiber jack contact member 15, so that the optical fiber jack contact member 15 can axially float when being plugged with the adaptive optical fiber contact pin contact member 26. The rear plug shell is provided with an internal cavity, an optical cable 101 enters from the rear end of the rear plug shell and then is connected with an optical fiber jack contact 15 in the front plug shell 12, a wire sealing body 104 is arranged at the rear end of the rear plug shell to seal the space between the rear plug shell and the optical cable 101, and the wire sealing body 104 is extruded through the threaded matching of a tail nut 105 and the tail of the rear plug shell. The cover is equipped with movable sleeve 11 on the plug procapsid 12, form annular space between movable sleeve 11 inner wall and the plug procapsid 12 outer peripheral face, the outer convex structure sliding fit of one end inner wall of movable sleeve 11 and plug procapsid 12 rear end, and set up sealing washer 102 in sliding fit department and seal, movable sleeve 11's the other end has the enstrophe along the structure, form a circular trompil, the internal face of circular trompil and the outer peripheral face sliding fit of plug procapsid 12, circular trompil department articulates through the hinge has plug dustproof door 16, and the cover is equipped with torsional spring 107 on the hinge, thereby for plug dustproof door 16 provides the effort of the automatic circular trompil of shutoff of orientation. A sealing ring 102 is embedded on the door side of the plug dust-proof door 16 for sealing engagement with the wall of the circular opening of the plug front housing 12 for good sealing. A spring 106 is further arranged between the movable sleeve 11 and the convex structure at the rear part of the plug front shell 12, one end of the spring 106 is pressed against the convex structure at the rear part of the plug front shell 12, and the other end of the spring 106 is pressed against the outward turning edge structure at the front end of the movable sleeve 11, so that an acting force towards the plugging direction of the optical fiber socket is provided for the movable sleeve 11. The movable sleeve 11 is resiliently retractable axially rearwardly so that the front plug housing 12 in the movable sleeve 11 may be pushed open against the plug dust doors 16 and through the circular opening to engage the fiber optic receptacle. An annular long groove is formed in the outer periphery of the socket rear shell, a clamp spring groove is formed in the inner periphery of the rear portion of the movable sleeve 11, a clamp spring 14 is arranged in the clamp spring groove, and the clamp spring 14 can be respectively matched with the convex structure of the plug front shell 12 and the rear blocking wall of the annular long groove of the plug rear shell in a blocking mode, so that the stroke of the clamp spring 14 is limited in the annular long groove of the plug rear shell, namely the stroke of the movable sleeve 11 is limited. The movable sleeve 11 is provided with axially extending splines 111 on its front outer circumference for cooperating with the keyways 241 of the fiber optic receptacle to perform a guiding function. The rear end of the plug rear shell is also provided with an annular baffle table, a threaded sleeve 13 is sleeved behind the annular baffle table, and the threaded sleeve 13 is installed on the plug rear shell in a rotating and rotating mode, namely the threaded sleeve 13 can rotate relative to the plug rear shell, and meanwhile, the threaded sleeve 13 can be axially stopped by the annular baffle table to limit the axial movement of the threaded sleeve 13. The threaded sleeve 13 is a three-section cylindrical structure with different diameters, and the inner wall surface of the middle section of the cylinder is in sliding fit with the outer peripheral surface of the movable sleeve 11. The large diameter section of the front portion of the threaded sleeve 13 is provided with an internal thread for threaded connection with the housing of the fiber optic receptacle to effect pulling of the fiber receptacle contact 15 toward the fiber stub contact 26.
As shown in fig. 3, the fiber optic receptacle includes a receptacle housing 25 and a fixing sleeve 24 threaded to the receptacle housing 25 by a set screw 28, a sealing ring 102 is arranged at the matching surface of the connection for sealing, the fixing sleeve 24 and the socket shell 25 enclose a containing cavity, the rear end of the socket shell 25 is provided with a mounting hole for mounting the optical fiber pin contact 26, an optical fiber pin is arranged in the socket shell 25 through a positioning claw 103, an optical cable 101 is arranged at the rear end of the socket shell 25 in a penetrating way, the optical cable 101 is connected with the optical fiber pin contact member 26, the optical cable 101 seals the space between the optical cable 101 and the socket shell 25 through a wire sealing body 104, the rear nut 105 is in threaded fit with the external thread at the rear part of the socket shell 25 to squeeze the wire sealing body 104, the rear part of the socket shell 25 is also provided with a flange square disc used for being connected with a panel, and the surface of the flange square disc connected with the panel is provided with a tray placing rubber mat 29. A guide pin 27 is further arranged in the accommodating cavity inside the socket housing 25, the guide pin 27 is used for guiding, inserting and matching with the guide hole of the optical fiber plug 1, and a chamfer structure is arranged at the front part to facilitate guiding. The front of the receptacle housing 25 is provided with external threads for screw-fitting with the internal threads of the threaded sleeve 13 of the optical fiber plug 1. The socket dust-proof door is arranged at the opening of the middle part of the fixed sleeve 24, the socket dust-proof door is hinged on the fixed sleeve 24 through a pin shaft 108, and a torsion spring 107 is sleeved on the pin shaft 108 so as to provide restoring force towards the direction of closing the opening for the socket dust-proof door. Still inlay on the face of socket dust-proof door and opening surrounding wall complex and have sealing washer 102, realize better sealed effect through sealing washer 102, prevent that the dust from getting into the intracavity that holds of socket casing 25 and polluting optical fiber insertion pin contact 26 from the gap between socket dust-proof door and the opening surrounding wall. The front end side wall of the fixed sleeve 24 is provided with a key groove 241, and one end of the key groove 241 facing the plugging direction is opened so as to be inserted by the key strip 111 on the movable sleeve 11 when the optical fiber plug 1 is plugged. A sealing ring 102 is further arranged at a corner between the wall of the socket dustproof door arranged in the middle of the fixed sleeve 24 and the inner wall of the front cylinder, the front cylinder can be used for inserting the front end of the movable sleeve 11 of the optical fiber plug 1, and at the moment, the sealing ring 102 can seal a matching surface between the movable sleeve 11 and the fixed sleeve 24.
The optical fiber connector assembly of the invention is used: as shown in fig. 1, in a state when the optical fiber plug 1 and the optical fiber receptacle are just inserted, the receptacle dust-proof door and the plug dust-proof door 16 are attached to each other and are not opened, the front end of the movable sleeve 11 is inserted into the front end cylinder of the fixed sleeve 24 after the fixed sleeve 24 and the movable sleeve 11 are guided by the key bars 111 and the key grooves 241, and at this time, the mating surface is sealed by the sealing ring 102; as shown in fig. 4, the optical fiber plug 1 is continuously plugged into the optical fiber receptacle, at this time, the movable sleeve 11 elastically retreats under the pushing of the fixed sleeve 24, and the mating surface is always in a sealed state by the acting force of the spring 106 in the retreating process, the plug front housing 12 ejects the retreated plug dust-proof door 16, the plug dust-proof door 16 ejects the receptacle dust-proof door attached thereto, and the front end of the plug front housing 12 can pass through the openings of the movable sleeve 11 and the fixed sleeve 24 and enter the inner cavity of the receptacle housing 25; as shown in fig. 5, the optical fiber plug 1 is pushed to be inserted, and the optical fiber pin contact 26 and the optical fiber socket contact 15 are inserted into each other after being guided by the guide pin 27 and the guide hole; when the optical fiber plug 1 needs to be pulled out, the matching surface of the fixed sleeve 24 and the movable sleeve 11 always presses the sealing ring 102 by the elasticity of the spring 106 to keep sealing in the pulling-out process, when the plug front shell 12 withdraws from the opening of the fixed sleeve 24, the socket dustproof door automatically closes by the action of the torsion spring 107, and when the plug front shell 12 continuously retracts into the movable sleeve 11, the plug dustproof door 16 on the movable sleeve 11 automatically closes by the action of the torsion spring 107, so that it can be seen that in the whole using process of the optical fiber plug 1 and the optical fiber socket, including non-plugging, pulling-out and pulling-out, all the optical fiber contacts of the optical fiber connector assembly 100 are in a sealed dustproof state, and the optical fiber contacts are effectively protected, and dust is prevented from entering the end parts of the optical fiber contacts to cause the influence on optical signal transmission.
The embodiment of the self-dustproof optical fiber plug of the invention is the same as the embodiments of the plugs in the embodiments of the optical fiber connector assembly, and the description is omitted.
The embodiment of the self-dustproof fiber optic receptacle of the present invention is the same as the embodiments of the receptacle in the embodiments of the fiber optic connector assembly, and will not be described again.
Claims (21)
1. The optical fiber connector assembly comprises a plug and a socket and is characterized in that the front end of the plug is provided with a plug sealing housing capable of moving back and forth relative to a plug shell, a plug contact element is positioned in the plug sealing housing, the front end of the socket is provided with a socket sealing housing, the socket contact element is positioned in the socket sealing housing, a plug sealing turnover door is arranged at a front opening of the plug sealing housing, a socket sealing turnover door is arranged at a front opening of the socket sealing housing, when a head seat is inserted, the plug sealing housing is pushed by the socket sealing housing and elastically returns, so that the plug contact element relatively moves forward to push the plug sealing turnover door and the socket sealing turnover door and is inserted with the socket contact element, and the optical fiber connector assembly further comprises an elastic piece for providing elastic restoring force for the socket sealing turnover door and the plug sealing turnover door so that; the socket sealing turnover door is hinged inside the socket sealing cover shell and closed in the front wall of the socket sealing cover shell in a way of deviating from the front wall of the socket sealing cover shell; the plug comprises a front plug shell and a rear plug shell, a movable sleeve is sleeved on the front plug shell, a plug contact element is installed in an installation hole of the front plug shell, and a plug sealing turnover door is arranged at the front end of the movable sleeve; the socket includes socket shell and the fixed sleeve who passes through holding screw with socket shell and be connected, the socket contact is installed in the mounting hole that socket shell rear end set up, the sealed turndown door of socket sets up at fixed sleeve middle part opening part, the corner between the inner wall of fixed sleeve middle part setting the sealed turndown door of socket and anterior drum is equipped with the sealing washer, the movable sleeve front end that anterior drum supplied the plug inserts, the sealing washer is sealed with the fitting surface between movable sleeve and the fixed sleeve when the movable sleeve front end inserts anterior drum, plug and socket can be sealed with the external world when pegging graft the cooperation, prevent that the dust from getting into the tip of the optic fibre contact piece being pegged graft.
2. The fiber optic connector assembly of claim 1, wherein an outer side of the plug seal flip door is flush with an outer side of the front wall of the plug seal housing.
3. A fibre optic connector assembly as claimed in claim 1 or claim 2 wherein the resilient member is a torsion spring.
4. A fiber optic connector assembly according to claim 1 or claim 2 wherein a sealing arrangement is provided between the two sealing flip doors and the surrounding walls of the respective openings.
5. The fiber optic connector assembly of claim 4, wherein said sealing structure is an elastomeric grommet.
6. The optical fiber connector assembly of claim 1 or 2, wherein the plug further comprises a threaded sleeve rotatably mounted on the outside of the plug sealing housing, the outer periphery of the socket sealing housing being provided with external threads, the threaded sleeve being threadedly engaged with the external threads of the socket sealing housing via the internal threads.
7. The fiber optic connector assembly of claims 1 or 2, wherein the plug and receptacle contacts are guided by guide pins and pin holes when mated.
8. The fiber optic connector assembly of claims 1 or 2, wherein the hinged position of the plug seal flip door is higher than the hinged position of the receptacle seal flip door.
9. The fiber optic connector assembly of claim 8, wherein the hinge point of the plug seal flip door is positioned higher than a bottom edge of the opening in the front wall of the receptacle seal housing.
10. A self-dustproof optical fiber plug is characterized in that the front end of the plug is provided with a plug sealing cover shell which can move back and forth relative to a plug shell, a plug contact element is positioned in the plug sealing cover shell, a plug sealing turnover door is arranged at the front opening of the plug sealing cover shell, the front end of the plug sealing cover shell is pushed by a pushing part at the front end of a socket sealing cover shell adapted to a socket in the plugging process to elastically retreat, the self-dustproof optical fiber plug further comprises an elastic piece which provides elastic restoring force for the plug sealing turnover door so that the plug sealing turnover door can be automatically closed, the plug comprises a plug front shell and a plug rear shell, a movable sleeve is sleeved on the plug front shell, the plug contact is installed in an installation hole of the plug front shell, and the plug sealing turnover door is arranged at the front end of the movable sleeve; the front end of the movable sleeve is inserted into the front cylinder of the socket when the plug and the socket are in splicing fit, the matching surface between the movable sleeve and the fixed sleeve is sealed by the sealing ring arranged in the middle of the fixed sleeve of the socket, and the plug and the socket can be sealed with the outside when in splicing fit to prevent dust from entering the end part of the optical fiber contact element being spliced.
11. The self-dustproof fiber optic plug of claim 10, wherein an outer side of the plug seal flip door is flush with an outer side of the front wall of the plug seal housing.
12. The self-dustproof fiber optic plug according to claim 10 or 11, wherein the elastic member is a torsion spring.
13. The self-dustproof fiber optic plug according to claim 10 or 11, wherein a sealing structure is provided between the plug sealing turnover door and the surrounding wall of the corresponding opening.
14. The self-dustproof fiber optic plug of claim 13, wherein the sealing structure is an elastomeric sealing ring.
15. The self-dustproof fiber optic plug according to claim 10 or 11, wherein the plug further comprises a threaded sleeve rotatably mounted on the outside of the plug sealing housing for threaded engagement with the external threads of the receptacle sealing housing via internal threads.
16. A self-dustproof fibre optic plug as claimed in claim 10 or 11, wherein the housing in which the plug contacts are located is provided with pin holes for guiding engagement with corresponding guide pins on the receptacle.
17. The self-dustproof optical fiber socket is characterized in that the front end of the socket is provided with a socket sealing encloser, a socket contact element is positioned in the socket sealing encloser, a socket sealing turnover door is arranged at the front opening of the socket sealing encloser, the front end of the socket sealing encloser is also provided with a pushing part which pushes a bearing part at the front end of a plug sealing encloser adapted to a plug in the plugging process to enable the bearing part to retreat and the plug contact element in the socket sealing turnover door to be exposed out of the plug sealing turnover door to be plugged with the socket contact element, and the self-dustproof optical fiber socket also comprises an elastic element which provides elastic restoring force for the socket sealing turnover door so that the socket sealing turnover door; the socket sealing turnover door is hinged inside the socket sealing cover shell and closed in the front wall of the socket sealing cover shell in a way of deviating from the front wall of the socket sealing cover shell; the socket includes socket shell and the fixed sleeve who passes through holding screw with socket shell and be connected, the socket contact is installed in the mounting hole that socket shell rear end set up, the sealed turndown door of socket sets up at fixed sleeve middle part opening part, the corner between the inner wall of fixed sleeve middle part setting the sealed turndown door of socket and anterior drum is equipped with the sealing washer, the movable sleeve front end that anterior drum supplied the plug inserts, the sealing washer is sealed with the fitting surface between movable sleeve and the fixed sleeve when the movable sleeve front end inserts anterior drum, plug and socket can be sealed with the external world when pegging graft the cooperation, prevent that the dust from getting into the tip of the optic fibre contact piece being pegged graft.
18. The self-dustproof fiber optic receptacle of claim 17, wherein the resilient member is a torsion spring.
19. The self-dustproof fiber optic receptacle of claim 17, wherein a sealing structure is provided between the receptacle sealing flip door and the corresponding open enclosure wall.
20. The self-dustproof fiber optic receptacle of claim 19, wherein the sealing structure is an elastomeric sealing ring.
21. The self-dustproof fiber optic receptacle of claim 17, wherein the housing in which the receptacle contacts are located has guide pins for guiding engagement with corresponding pin holes on the mating plug.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711352962.3A CN109932783B (en) | 2017-12-15 | 2017-12-15 | Self-dustproof optical fiber plug, self-dustproof optical fiber socket and optical fiber connector assembly |
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| CN201711352962.3A CN109932783B (en) | 2017-12-15 | 2017-12-15 | Self-dustproof optical fiber plug, self-dustproof optical fiber socket and optical fiber connector assembly |
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| CN109932783B true CN109932783B (en) | 2020-11-17 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110783758B (en) * | 2019-09-27 | 2021-07-30 | 中航光电科技股份有限公司 | Board-to-board connector with dustproof function and socket thereof |
| CN111308614A (en) * | 2019-11-25 | 2020-06-19 | 中航光电科技股份有限公司 | MPO optical cable assembly and MPO connector |
| CN111708124A (en) * | 2020-06-24 | 2020-09-25 | 武汉光迅科技股份有限公司 | Optical fiber connector, optical fiber adapter and optical fiber connecting device |
| CN116859515B (en) * | 2023-06-26 | 2024-04-19 | 合肥泓博医学科技有限公司 | Laser pulse type output coupling device |
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| CN103855518A (en) * | 2012-12-04 | 2014-06-11 | 鸿富锦精密工业（深圳）有限公司 | Usb connector |
| CN105182479A (en) * | 2015-09-09 | 2015-12-23 | 四川永贵科技有限公司 | Multi-core inclined end face optical fiber connector |
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| US6340246B1 (en) * | 1998-06-05 | 2002-01-22 | Hirose Electric Co., Ltd. | Optical connector with shutter |
| JP2004240162A (en) * | 2003-02-06 | 2004-08-26 | Honda Tsushin Kogyo Co Ltd | Optical connector with shutter |
| WO2012176844A1 (en) * | 2011-06-23 | 2012-12-27 | カナレ電気株式会社 | Connector with shutter and connector device |
| CN103424814A (en) * | 2012-05-17 | 2013-12-04 | 鸿富锦精密工业（深圳）有限公司 | Optical fiber connector assembly |
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