CN213457450U - Novel optical fiber connector structure - Google Patents
Novel optical fiber connector structure Download PDFInfo
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- CN213457450U CN213457450U CN202022520670.XU CN202022520670U CN213457450U CN 213457450 U CN213457450 U CN 213457450U CN 202022520670 U CN202022520670 U CN 202022520670U CN 213457450 U CN213457450 U CN 213457450U
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Abstract
The utility model relates to a fiber connector technical field provides a novel fiber connector structure. The optical fiber connector comprises a main sleeve assembly, an unlocking assembly, a first optical fiber plug and a second optical fiber plug, wherein the main sleeve assembly comprises a first shell and a second shell, positioning assemblies are arranged on the outer surfaces of the first shell and the second shell, the unlocking assembly comprises a fixing plate, an elastic part, an unlocking handle and an unlocking key, and the fixing plate is coupled with the positioning assemblies of the first shell or the second shell; the optical fiber adapter is provided with a jack for accommodating the optical fiber connector, a fool-proof part matched with the fool-proof part is arranged in the jack, the unlocking assembly can be simply disassembled and assembled, and polarity exchange is achieved under the condition of no rotating optical fibers through transposition installation of the unlocking assembly.
Description
Technical Field
The utility model relates to a fiber connector technical field especially relates to a novel fiber connector structure.
Background
The optical fiber connector is a device for making detachable connection between optical fibers, and it precisely butt-joints two end faces of the optical fibers to make the optical energy output by the transmitting optical fiber be maximally coupled into the receiving optical fiber and to minimize the influence on the system due to its intervening optical link, which is the basic requirement of the optical fiber connector. To a large extent, fiber optic connectors affect the reliability and performance of optical transmission systems.
The APC optical fiber connectors on the market are generally optical fiber connectors of a single-core structure, which cannot achieve precise coupling of double cores or multiple cores simultaneously, and due to the appearance and development of data centers, more and more users use simultaneous coupling of multiple cores to solve the density problem of data center connection. However, the multi-gang optical fiber connector has a polarity problem, and sometimes the polarity of the multi-gang optical fiber connector needs to be changed, so that the polarity change causes inconvenience.
For solving the inconvenient problem of change polarity, a fiber connector has appeared in the market, comprises two independent plug subassembly, base and dropout button, and two independent plug subassemblies can be followed the corresponding axis of ordinates of plug subassembly is independently rotatory to supply the polarity to reverse the change, during the change polarity, pull down the dropout button, make two independent plug subassemblies follow the 180 degrees backs of corresponding axis of ordinates of plug subassembly are independently rotatory, will drop the button again and install the opposite side at the base, accomplish the polarity and change. However, this polarity switching method requires that the optical fiber connected to the plug assembly be rotated, and the rotation of the optical fiber may result in an excessively small bending radius, which may affect the optical signal transmission, and may even break the optical fiber, thereby affecting the optical signal transmission performance of the optical fiber connector.
In view of the above, it is an urgent problem in the art to overcome the above-mentioned drawbacks of the prior art.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that needs to solve is: the conventional APC optical fiber connector is a single-core optical fiber connector, which cannot realize simple polarity exchange, and although the optical fiber connector with polarity exchange in the market can realize polarity exchange, operation steps are redundant during polarity exchange, and because the optical fiber needs to be rotated in the polarity exchange process, the bending radius of the optical fiber is possibly too small after the optical fiber is rotated, the transmission of an optical signal is influenced, and even the optical fiber is broken in the optical fiber rotation process, so that the transmission performance and the service life of the signal of the optical fiber connector are influenced.
The problem to be further solved is that the optical fiber can be rotated in the process of polarity exchange in the prior art, and the optical fiber connector after rotation cannot realize accurate coupling between the optical fiber connector and the optical fiber connector.
The utility model discloses a reach above-mentioned purpose through following technical scheme:
in a first aspect, the utility model provides a novel optical fiber connector structure, including optical fiber connector 1 and optical fiber adapter 2, optical fiber connector 1 includes main cover subassembly 11, unblock subassembly 12, first optical fiber plug 13 and second optical fiber plug 14, main cover subassembly 11 includes first casing 111 and second casing 112, the surface of first casing 111 and second casing 112 all is provided with locating component 113, first optical fiber plug 13 and second optical fiber plug 14 place after corresponding position, close first casing 111 and second casing 112 and accomplish main cover subassembly 11 to the fixed of first optical fiber plug 13 and second optical fiber plug 14;
the unlocking assembly 12 comprises a fixing plate 121, an elastic part 122, an unlocking handle 123 and an unlocking key 124, wherein the fixing plate 121 is coupled with the positioning assembly 113 of the first shell 111 or the second shell 112; the lower end of the elastic part 122 is connected with the fixing plate 121, the upper end of the elastic part 122 is connected with the unlocking handle 123, one end of the unlocking key 124 is connected with the unlocking handle 123, the other end of the unlocking key 124 is a free end, and a fool-proof piece 1241 is arranged at the position, close to the free end, of the unlocking key 124;
the optical fiber adapter 2 is provided with a jack for accommodating the optical fiber connector 1, and a fool-proof portion 21 matched with the fool-proof piece 1241 is arranged in the jack.
Preferably, the positioning assembly 113 is a sinking platform 1131, and any two opposite positions at the bottom of the side wall of the sinking platform 1131 are respectively provided with a positioning slot 1132.
Preferably, the size and shape of the fixing plate 121 are matched with the sinking platform 1131, a positioning buckle 1211 matched with the positioning card slot 1132 is arranged on a side wall of the fixing plate 121, and the positioning buckle 1211 is accommodated in the positioning card slot 1132 to play a role in positioning the unlocking assembly 12.
Preferably, the fool-proof portion 21 is specifically a groove 211, and the groove 211 is disposed on an upper sidewall of the optical fiber adapter 2 near the jack opening;
the fool-proof piece 1241 is specifically a clamping protrusion 1242, the clamping protrusion 1242 cooperates with the groove 211 to perform a limiting function, and when the unlocking handle 123 is pressed or protruded, the clamping protrusion 1242 is correspondingly released or locked.
Preferably, the elastic portion 122 is embodied as a spring or an elastic plastic spring.
Preferably, after the first optical fiber plug 13 and the second optical fiber plug 14 are placed at the corresponding positions, the first housing 111 and the second housing 112 are closed to complete the fixing of the first optical fiber plug 13 and the second optical fiber plug 14 by the main jacket assembly 11, and the method further includes:
the ferrule-end face angle of the first optical fiber plug 13 and the second optical fiber plug 14 is specifically 164 degrees or 196 degrees.
Preferably, the side walls of the arc-shaped platforms of the first housing 111 and the second housing 112, on which the first optical fiber plug 13 and the second optical fiber plug 14 are placed, are provided with notches 115;
the first fiber optic plug 13 and the second fiber optic plug 14 each include a positioning boss 116 that mates with the notch 115.
Preferably, the outer surface of the unlocking handle 123 is provided with a first identifier 1231 for identifying the polarity.
Preferably, the first housing 111 and the second housing 112 are each provided with a second identifier 114 identifying a polarity face.
Preferably, the first optical fiber plug 13 and the second optical fiber plug 14 are both provided with a limiting groove 17, and the limiting groove 17 is arranged on a surface contacting with the lower surface of the unlocking key 124;
the lower surface of the unlocking key 124 is provided with a limit boss 18 matched with the limit groove 17.
The utility model has the advantages that: the utility model provides a pair of novel fiber connector structure, first casing 111 and second casing 112 of its fiber connector 1 are provided with heavy platform 1131 structure respectively, and heavy platform 1131 structure is provided with positioning card groove 1132, is used for matcing the location buckle 1211 of unblock subassembly 12, realizes the simple easy dismouting nature of unblock subassembly 12 to the realization exchanges polarity under the condition of irrotational optic fibre.
Further, in a preferred solution, since the end face angle of the ferrule connector of the first optical fiber plug 13 and the second optical fiber plug 14 is specifically 164 degrees or 196 degrees, after the polarity exchange is implemented, precise coupling between the optical fiber connector and the optical fiber connector can be implemented, and attenuation of light is effectively reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic diagram of a novel optical fiber connector structure according to an embodiment of the present invention;
fig. 2 is a schematic diagram of a novel optical fiber connector structure according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a main sleeve assembly according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of an unlocking assembly according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of an optical fiber plug of an optical fiber connector according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of an optical fiber plug of a female optical fiber connector according to an embodiment of the present invention;
fig. 7 is a schematic structural diagram of an optical fiber plug of a male optical fiber connector according to an embodiment of the present invention;
fig. 8 is a schematic structural diagram of a multiple optical fiber connector according to an embodiment of the present invention;
fig. 9 is a schematic structural diagram of an unlocking assembly according to an embodiment of the present invention;
fig. 10 is a schematic structural diagram of a main sleeve assembly according to an embodiment of the present invention;
fig. 11 is a schematic view of a combined structure of a female optical fiber connector and a male optical fiber connector according to an embodiment of the present invention;
fig. 12 is a schematic diagram illustrating a polarity exchange procedure according to an embodiment of the present invention;
fig. 13 is a schematic structural diagram of another multi-gang optical fiber connector according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in 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 "inside", "outside", "longitudinal", "lateral", "up", "down", "top", "bottom", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of describing the present invention but do not require that the present invention must be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.
Furthermore, the technical features mentioned in the embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other. The present invention will be described in detail with reference to the accompanying drawings and examples.
The embodiment of the utility model provides a novel optical fiber connector structure, as shown in fig. 1-2, including optical fiber connector 1 and optical fiber adapter 2, optical fiber connector 1 includes main cover subassembly 11, unblock subassembly 12, first optical fiber plug 13 and second optical fiber plug 14, main cover subassembly 11 includes first casing 111 and second casing 112, the surface of first casing 111 and second casing 112 all is provided with locating component 113, first optical fiber plug 13 with second optical fiber plug 14 is placed behind the position that corresponds, will first casing 111 and second casing 112 lid close and accomplish main cover subassembly 11 right first optical fiber plug 13 with the fixing of second optical fiber plug 14.
The optical fiber Connector has the branch of male first optical fiber Connector and female first optical fiber Connector, and male first optical fiber Connector and female first optical fiber Connector realize accurate coupling through the optical fiber adapter, the utility model discloses the structure of Connector lock pin terminal surface can be for circular type belt thread (ferro Connector, FC for short), microballon face grinding and polishing (Physical Connection, PC for short) or be 8 degrees angles and do microballon face grinding and polishing (angular polarized Connector, APC for short), the present embodiment uses APC optical fiber Connector as an example, when APC optical fiber Connector is female first optical fiber Connector, and the angle of the joint terminal surface of two optical fiber plugs in female first optical fiber Connector is 164 degrees, then the angle of the joint terminal surface of two optical fiber plugs in male first optical fiber Connector is 196 degrees; when the APC optical fiber connector is a male optical fiber connector and the angle of the joint end surfaces of the two optical fiber plugs in the male optical fiber connector is 164 degrees, the angle of the joint end surfaces of the two optical fiber plugs in the female optical fiber connector is 196 degrees.
In this embodiment, parts of all constituent structures of the optical fiber connector are explained by taking the male optical fiber connector and the female optical fiber connector as examples, where the male optical fiber connector and the female optical fiber connector both include a main sleeve assembly 11, an unlocking assembly 12, a first optical fiber plug 13 and a second optical fiber plug 14, and further include a stopping body 15, a jacket 16 with a crimp ring, a tail sleeve 19 and an optical cable 20; in the embodiment, a single-cable dual-core is taken as an example, in order to explain the embodiment more clearly, the first optical fiber plug 13 and the second optical fiber plug 14 in the female optical fiber connector are respectively represented by a first optical fiber plug 13 'and a second optical fiber plug 14', structural components related to the composition of the first optical fiber plug 13 'and the second optical fiber plug 14' are indicated by a prime, as shown in fig. 6, the first optical fiber plug 13 'and the second optical fiber plug 14' in the female optical fiber connector are composed of a front sleeve 131 ', a 132 core, a fiber guide tube 134', a spring 133 'and a stop insert 135', two optical fibers in the optical cable are respectively passed through the first optical fiber plug 13 'and the second optical fiber plug 14', and then the composition structures are installed according to a certain sequence, so that the first optical fiber plug 13 'and the second optical fiber plug 14' in the female optical fiber connector are fixed relative to a cavity formed when the first housing 111 and the second housing 112 are covered, the angle of the joint end faces of the two optical fiber plugs in the female optical fiber connector is 164 degrees; the first optical fiber plug and the second optical fiber plug in the male optical fiber connector are respectively represented by a first optical fiber plug 13 "and a second optical fiber plug 14", wherein structural parts related to the composition of the first optical fiber plug 13 "and the second optical fiber plug 14" are indicated by two prime notations, as shown in fig. 7, the first optical fiber plug 13 "and the second optical fiber plug 14" in the male optical fiber connector are composed of a front sleeve 131, a core insert 132, a fiber guide tube 134 ", a spring 133" and a stop insert 135 ", two optical fibers in the optical cable respectively pass through the first optical fiber plug 13" and the second optical fiber plug 14 ", then the composition structures are installed according to a certain sequence, so that the first optical fiber plug 13" and the second optical fiber plug 14 "in the male optical fiber connector are fixed relative to a cavity formed when the first shell 111 and the second shell 112 are covered, and the angle of the joint end faces of the two optical fiber plugs in the male optical fiber connector is 196 degrees, as shown in fig. 11, at this time, the angles of the joint end surfaces of the two optical fiber plugs in the female optical fiber connector are 164 degrees, and the angles of the joint end surfaces of the two corresponding optical fiber plugs in the male optical fiber connector are 196 degrees, so that the female optical fiber connector and the male optical fiber connector are accurately coupled through the optical fiber adapter 2. Only the case where the optical fiber connector 1 is a duplex optical fiber connector is explained here. As shown in fig. 8, in a case where high-density operation is required, a multi-connection structure such as a quad or an octal may be implemented on the premise that duplex fiber connectors are taken as units, where the quad is formed by connecting two duplex fiber connectors together, and the octal is formed by connecting four duplex fiber connectors together, where this is only an example of the multi-connection fiber connector structure, and other cases are structures formed by taking duplex fiber connectors as units, which are not described herein again.
As shown in fig. 4, the unlocking assembly 12 includes a fixing plate 121, an elastic part 122, an unlocking handle 123 and an unlocking key 124, wherein the fixing plate 121 is coupled with the positioning assembly 113 of the first housing 111 or the second housing 112; the lower end of the elastic part 122 is connected with the fixing plate 121, the upper end of the elastic part 122 is connected with the unlocking handle 123, one end of the unlocking key 124 is connected with the unlocking handle 123, the other end of the unlocking key 124 is a free end, and a fool-proof piece 1241 is arranged at the position, close to the free end, of the unlocking key 124;
the optical fiber adapter 2 is provided with a jack for accommodating the optical fiber connector 1, and a fool-proof portion 21 matched with the fool-proof piece 1241 is arranged in the jack.
As shown in fig. 9 to 10, the fixing plate 121 is coupled to the positioning assembly 113 of the first housing 111 or the second housing 112, which is an example of a coupling manner of the fixing plate 121 and the positioning assembly 113 of the first housing 111 or the second housing 112 in this embodiment, the fixing plate 121 is quadrilateral, four positioning buckles 1211 are disposed at opposite positions of a side wall of the fixing plate 121, the four positioning buckles 1211 are integrally formed with the fixing plate 121, or are fixedly connected in other manners, two retaining tabs 1211 are provided at the side wall of the free end of the distal breakaway catch 124, two other positioning buckles 1211 are arranged on the side wall near the free end of the unlocking key 124, the positioning component 113 is a sinking platform 1131, the shape and the size of the sinking platform 1131 are matched with the fixing plate 121, that is, the sinking platform 1131 is a quadrilateral, four positioning card slots 1132 are disposed at the bottom of the side wall of the sinking platform 1131, and the four positioning card slots 1132 are disposed at the positions matched with the four positioning fasteners 1211. The fixing plate 121 may be circular or oval in shape, and the shape and size of the corresponding sinking platform 1131 match those of the fixing plate 121. Here, only one of the coupling manners of the fixing plate 121 and the positioning assembly 113 of the first casing 111 or the second casing 112 is included in the protection scope of the present invention, as long as the structure that the unlocking assembly 12 and the positioning assembly 113 of the first casing 111 and the second casing 112 can be flexibly detached and installed is realized.
The present embodiment provides a duplex fiber optic connector in which the polarity of the connector is changed without applying unnecessary pressure to the fiber, and before the polarity is not exchanged, the outer surface of the unlocking knob 123 is provided with identifiers for identifying the polarity, specifically, a represents a receiving end and B represents a transmitting end. And the outer surfaces of the first and second housings 111 and 112 are also provided with corresponding symbols for identifying the polar surfaces. Wherein the outer surface of the first housing 111 is provided with a symbol i for representing a first polarity surface, and the outer surface of the second housing 112 is provided with a symbol ii for representing a second polarity surface.
Fig. 12 shows the steps of exchanging polarities:
in the first step, the unlocking handle 123 is pressed, and at this time, the unlocking key 124 moves downward at the same time, the locking protrusion 1242 in the unlocking key 124 is released by the recess 211 of the fool-proof portion 21, and the optical fiber connector 1 is withdrawn from the optical fiber adapter 2.
And secondly, completing the disassembly of the optical fiber connector 1 and the optical fiber adapter 2.
Third, the unlocking member 12 is removed from the positioning member 113 of the first housing 111.
Fourth, the main sleeve assembly 11 is turned over so that the upper surface of the second housing 112 faces upward.
And fifthly, turning over the main sleeve assembly 11.
In the sixth step, the fixing plate 121 of the unlocking assembly 12 is mounted on the sinking platform 1131 of the second housing 112 to complete the polarity exchange, where a represents the transmitting end and B represents the receiving end.
Locating component 113 is heavy platform 1131, two arbitrary relative positions in heavy platform 1131 lateral wall bottom respectively are provided with positioning card groove 1132.
The size and shape of the fixing plate 121 are matched with the sinking platform 1131, a positioning buckle 1211 matched with the positioning clamping groove 1132 is arranged on the side wall of the fixing plate 121, and the positioning buckle 1211 is contained in the positioning clamping groove 1132 to play a role in positioning the unlocking assembly 12.
Fool-proof portion 21 is specifically groove 211, groove 211 sets up on the last lateral wall that optical fiber adapter 2 is close to the jack opening part.
The fool-proof piece 1241 is specifically a clamping protrusion 1242, the clamping protrusion 1242 cooperates with the groove 211 to perform a limiting function, and when the unlocking handle 123 is pressed or protruded, the clamping protrusion 1242 is correspondingly released or locked.
The present embodiment provides an achievable manner, the optical fiber adapter 2 is provided with a jack for accommodating the optical fiber connector 1, the jack is provided with a fool-proof portion 21 cooperating with the fool-proof piece 1241, the fool-proof portion 21 can be a groove 211, the fool-proof piece 1241 of the unlocking key 124 is a protruding card 1242, and the protruding card 1242 cooperates with the groove 211 to play a limiting role. When the optical fiber connector 1 and the optical fiber adapter 2 are installed, the unlocking handle 123 is pressed while the unlocking key 124 moves downward, the optical fiber connector 1 is fed into the jack of the optical fiber adapter 2, the unlocking handle 123 is released while the unlocking key 124 protrudes, at this time, the clamping protrusion 1242 in the protruding unlocking key 124 is pressed by the groove 211 of the fool-proof portion 21, and the optical fiber connector 1 and the optical fiber adapter 2 are in a locked state. When the optical fiber connector 1 is detached from the optical fiber adapter 2, the unlocking knob 123 is pressed and the unlocking key 124 moves downward, the locking protrusion 1242 of the unlocking key 124 is released by the groove 211 of the fool-proof portion 21, the optical fiber connector 1 is pulled out, and the optical fiber connector 1 and the optical fiber adapter 2 are detached.
The elastic portion 122 is a spring or an elastic plastic spring. In practical application scenarios, when the elastic part 122 is a spring, the lower end of the spring is fixedly connected with the upper surface of the fixing plate 121, and the upper end of the spring is fixedly connected with the lower surface of the unlocking handle 123, wherein the spring is 90 degrees to both the fixing plate 121 and the unlocking handle 123; the spring is compressed when the unlocking lever 123 is pressed, and returns to its original position when the unlocking lever 123 is released. When the elastic portion 122 is an elastic plastic spring, the lower end surface of the elastic plastic spring is fixedly connected to the upper surface of the fixing plate 121, and the upper end of the elastic plastic spring is fixedly connected to the lower surface of the unlocking handle 123, wherein the fixing plate 121, the elastic plastic spring and the unlocking handle 123 are in a Z-shape after being fixedly connected; the fixing plate 121, the elastic plastic spring and the unlocking handle 123 may be integrally formed, or may be fixedly connected in any other manner; when the unlocking handle 123 is pressed, the elastic plastic spring piece moves downwards, and when the unlocking handle 123 is released, the elastic plastic spring piece returns upwards to the original position. This embodiment is but one way of accomplishing this.
After the first optical fiber plug 13 and the second optical fiber plug 14 are placed at the corresponding positions, the first housing 111 and the second housing 112 are closed to complete the fixing of the first optical fiber plug 13 and the second optical fiber plug 14 by the main ferrule assembly 11, and the method further includes:
the ferrule-end face angle of the first optical fiber plug 13 and the second optical fiber plug 14 is specifically 164 degrees or 196 degrees.
The optical fiber connector 1 is divided into a male optical fiber connector and a female optical fiber connector, the male optical fiber connector and the female optical fiber connector realize accurate coupling through the optical fiber adapter 2, and an APC optical fiber connector is taken as an example for explanation, when the optical fiber connector 1 is an APC optical fiber connector, since the ferrule-to-connector end surface thereof is an 8-degree angle, when the APC optical fiber connector is a female optical fiber connector, and the connector end surfaces of two optical fiber plugs in the female optical fiber connector are 164 degrees (where 164 degrees is an angle formed by the connector end surfaces of two optical fiber plugs in the female optical fiber connector, which is a complementary angle of 16-degree angle of the two ferrule-to-connector end surfaces), the connector end surfaces of the two optical fiber plugs in the male optical fiber connector are 196 degrees; when the APC optical fiber connector is a male optical fiber connector and the angles of the joint end surfaces of the two optical fiber plugs in the male optical fiber connector are 164 degrees, the angles of the joint end surfaces of the two optical fiber plugs in the female optical fiber connector are 196 degrees;
in the present embodiment, the angle of the joint end surfaces of the two optical fiber plugs in the female optical fiber connector is 164 degrees, and the angle of the joint end surfaces of the two optical fiber plugs in the male optical fiber connector is 196 degrees.
As shown in fig. 3 and 5, the side walls of the arc-shaped platforms of the first housing 111 and the second housing 112, on which the first optical fiber plug 13 and the second optical fiber plug 14 are placed, are provided with notches 115. The first fiber optic plug 13 and the second fiber optic plug 14 each include a positioning boss 116 that mates with the notch 115.
When the first housing 111 and the second housing 112 are closed, the notches 115 of the first housing 111 and the second housing 112 form a complete notch 115 which is matched with the positioning bosses 116 in the first optical fiber plug 13 and the second optical fiber plug 14, so that the first optical fiber plug 13 and the second optical fiber plug 14 keep unique position fixation under the limiting action of the notches 115 and the bosses. This embodiment merely provides a way to uniquely fix the positions of the first optical fiber plug 13 and the second optical fiber plug 14 when the first housing 111 and the second housing 112 are closed.
In a practical application scenario, the relative fixing of the positions of the cavities formed when the first optical fiber plug 13 and the second optical fiber plug 14 are covered with the first housing 111 and the second housing 112 is within the protection scope of the present invention.
The outer surface of the unlocking handle 123 is provided with a first identifier 1231 for identifying polarity. The first identifier 1231 comprises two letters, but can be any type of symbol, color, code, etc. The embodiment provides an implementable manner, and the specific identifiers are: a and B.
The first and second housings 111, 112 are each provided with a second identifier 114 identifying the polar surface, the second identifier 114 comprising two letters, but may be any type of symbol, color, code, etc. Wherein the outer surface of the first housing 111 is provided with a symbol i for representing a first polarity surface, and the outer surface of the second housing 112 is provided with a symbol ii for representing a second polarity surface.
The first optical fiber plug 13 and the second optical fiber plug 14 are both provided with a limiting groove 17, and the limiting groove 17 is arranged on the surface contacting with the lower surface of the unlocking key 124;
the lower surface of the unlocking key 124 is provided with a limit boss 18 matched with the limit groove 17.
In order to improve the use density and the function of the optical fiber connector that can be easily disassembled, another realizable manner is provided in this embodiment, as shown in fig. 13, specifically, the number of jacks in the optical fiber adapter 2 is made in units of the number of jacks in the duplex optical fiber adapter 2, and the manufacturing manner is integrated, in this embodiment, in units of six-gang, the number of jacks in the optical fiber adapter 2 is six, the number of optical fiber plugs in the optical fiber connector matches with the number of jacks in the six-gang optical fiber adapter 2, and the first optical fiber plug 13 and the second optical fiber plug 14 in the duplex optical fiber connector are made in units, and when the first housing 111 and the second housing 112 of the optical fiber connector are covered, the six optical fiber plugs can be accommodated. The optical fiber connector comprises a first group of optical fiber connectors, a second group of optical fiber connectors and a third group of optical fiber connectors, wherein the first group of optical fiber connectors, the second group of optical fiber connectors and the third group of optical fiber connectors are all in units of duplex optical fiber connectors, namely, the angle of the joint end faces of two optical fiber plugs in the first group of optical fiber connectors can be 164 degrees or 196 degrees, and 164 degrees is taken as an example here; that is, the angle of the joint end faces of the two optical fiber plugs in the second group of optical fiber connectors may be 164 degrees or 196 degrees, here 164 degrees as an example; that is, the angle of the terminal end faces of the two optical fiber plugs in the third group of optical fiber connectors may be 164 degrees or 196 degrees, here 164 degrees as an example.
The unlocking assembly 12 and the positioning assembly 113 in the first shell 111 or the second shell 112 of the six-gang optical fiber connector can be flexibly detached or installed.
The present embodiment provides a multi-gang optical fiber connector in which the polarity of the connector is changed without applying unnecessary pressure to the optical fiber, and before the polarity is not exchanged, the outer surface of the unlocking knob 123 is provided with identifiers for identifying the polarity, specifically, a denotes a receiving end and B denotes a transmitting end. And the outer surfaces of the first and second housings 111 and 112 are also provided with corresponding symbols for identifying the polar surfaces. Wherein the outer surface of the first housing 111 is provided with a symbol i for representing a first polarity surface, and the outer surface of the second housing 112 is provided with a symbol ii for representing a second polarity surface.
Before the polarity is not exchanged, the first polarity faces upward, after the polarity is exchanged, the second polarity faces upward, and a after the polarity is exchanged represents a transmitting end and B a receiving end.
The utility model provides a pair of novel fiber connector structure, first casing 111 and second casing 112 of its fiber connector 1 are provided with heavy platform 1131 structure respectively, and heavy platform 1131 structure is provided with positioning card groove 1132, is used for matcing the location buckle 1211 of unblock subassembly 12, realizes the simple easy dismouting nature of unblock subassembly 12 to the realization exchanges polarity under the condition of irrotational optic fibre. A plurality of duplex fiber connectors can be connected to form a multi-connection fiber connector; or a plurality of optical fiber plugs can be simultaneously installed in one main sleeve assembly, one unlocking assembly 12 is simultaneously provided with a plurality of unlocking keys 124, and when the unlocking handle 123 is pressed or released, the plurality of optical fiber plugs are simultaneously installed or unlocked, so that the use scene of the high-density optical fiber connector is realized.
Further, in a preferred solution, since the end face angle of the ferrule connector of the first optical fiber plug 13 and the second optical fiber plug 14 is specifically 164 degrees or 196 degrees, after the polarity exchange is implemented, precise coupling between the optical fiber connector and the optical fiber connector can be implemented, and attenuation of light is effectively reduced.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The novel optical fiber connector structure is characterized by comprising an optical fiber connector (1) and an optical fiber adapter (2), wherein the optical fiber connector (1) comprises a main sleeve component (11), an unlocking component (12), a first optical fiber plug (13) and a second optical fiber plug (14), the main sleeve component (11) comprises a first shell (111) and a second shell (112), positioning components (113) are respectively arranged on the outer surfaces of the first shell (111) and the second shell (112), and after the first optical fiber plug (13) and the second optical fiber plug (14) are placed at corresponding positions, the first shell (111) and the second shell (112) are covered to complete the fixation of the main sleeve component (11) to the first optical fiber plug (13) and the second optical fiber plug (14);
the unlocking assembly (12) comprises a fixing plate (121), an elastic part (122), an unlocking handle (123) and an unlocking key (124), wherein the fixing plate (121) is coupled with the positioning assembly (113) of the first shell (111) or the second shell (112); the lower end of the elastic part (122) is connected with the fixing plate (121), the upper end of the elastic part (122) is connected with the unlocking handle (123), one end of the unlocking key (124) is connected with the unlocking handle (123), the other end of the unlocking key (124) is a free end, and a foolproof piece (1241) is arranged on the unlocking key (124) close to the free end;
the optical fiber adapter (2) is provided with a jack for accommodating the optical fiber connector (1), and a fool-proof part (21) matched with the fool-proof piece (1241) is arranged in the jack.
2. The novel optical fiber connector structure of claim 1, wherein the positioning component (113) is a sinking platform (1131), and any two relative positions at the bottom of the side wall of the sinking platform (1131) are respectively provided with a positioning card slot (1132).
3. The novel optical fiber connector structure of claim 2, wherein the fixing plate (121) is sized and shaped to fit the sinking platform (1131), a positioning clip (1211) that fits into the positioning slot (1132) is disposed on a side wall of the fixing plate (121), and the positioning clip (1211) is received in the positioning slot (1132) to position the unlocking assembly (12).
4. The novel optical fiber connector structure of claim 1, wherein the fool-proof portion (21) is embodied as a groove (211), and the groove (211) is disposed on an upper side wall of the optical fiber adapter (2) near the jack opening;
the fool-proof piece (1241) is specifically a clamping protrusion (1242), the clamping protrusion (1242) is matched with the groove (211) to play a limiting role, and when the unlocking handle (123) is pressed or protruded, the clamping protrusion (1242) is correspondingly released or locked.
5. The novel optical fiber connector structure of claim 1, wherein the elastic portion (122) is a spring or a plastic spring sheet with elasticity.
6. The novel fiber optic connector structure of claim 1, further comprising:
the plug connector end face angle of the first optical fiber plug (13) and the second optical fiber plug (14) is 164 degrees or 196 degrees.
7. The novel optical fiber connector structure of claim 1, wherein the side walls of the arc-shaped platforms of the first and second housings (111, 112) for placing the first and second optical fiber plugs (13, 14) are provided with notches (115);
the first optical fiber plug (13) and the second optical fiber plug (14) comprise positioning bosses (116) matched with the notches (115).
8. The novel fiber optic connector structure of claim 1, wherein an outer surface of the unlocking handle (123) is provided with a first identifier (1231) for identifying polarity.
9. The new fiber optic connector structure of claim 1, wherein the first housing (111) and the second housing (112) are each provided with a second identifier (114) identifying a polar surface.
10. The novel optical fiber connector structure according to any one of claims 1-9, wherein the first optical fiber plug (13) and the second optical fiber plug (14) are provided with limiting grooves (17), and the limiting grooves (17) are arranged on the surface contacting with the lower surface of the unlocking key (124);
the lower surface of the unlocking key (124) is provided with a limiting boss (18) matched with the limiting groove (17).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022520670.XU CN213457450U (en) | 2020-11-04 | 2020-11-04 | Novel optical fiber connector structure |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202022520670.XU CN213457450U (en) | 2020-11-04 | 2020-11-04 | Novel optical fiber connector structure |
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| CN213457450U true CN213457450U (en) | 2021-06-15 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023273352A1 (en) * | 2021-06-30 | 2023-01-05 | 华为技术有限公司 | Dual core connector and connection system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023273352A1 (en) * | 2021-06-30 | 2023-01-05 | 华为技术有限公司 | Dual core connector and connection system |
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Denomination of utility model: A new optical fiber connector structure Effective date of registration: 20220107 Granted publication date: 20210615 Pledgee: Bank of China Limited Wuhan provincial branch Pledgor: Wuhan Ruite Fulian Technology Co.,Ltd. Registration number: Y2022420000004 |