CN111610601A - Optical fiber connector - Google Patents
Optical fiber connector Download PDFInfo
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- CN111610601A CN111610601A CN202010502372.XA CN202010502372A CN111610601A CN 111610601 A CN111610601 A CN 111610601A CN 202010502372 A CN202010502372 A CN 202010502372A CN 111610601 A CN111610601 A CN 111610601A
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- Prior art keywords
- ferrule assembly
- limiting
- connector housing
- optical fiber
- window
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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
- G02B6/3869—Mounting ferrules to connector body, i.e. plugs
- G02B6/387—Connector plugs comprising two complementary members, e.g. shells, caps, covers, locked together
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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 connectors, in particular to an optical fiber connector which comprises a ferrule assembly and a connector shell, wherein the connector shell is provided with an axially extending inner cavity, the inner side wall of the inner cavity is provided with a limiting protrusion, the tail part of the ferrule assembly is provided with a limiting clamping hook, the ferrule assembly is inserted into the inner cavity and is clamped with the limiting protrusion through the limiting clamping hook to limit the ferrule assembly to move towards the front end of the inner cavity, and the connector shell is provided with an axially extending window corresponding to the limiting protrusion. On one hand, the axial limiting of the ferrule assembly is realized by clamping the limiting clamping hook and the limiting bulge, so that the ferrule assembly is prevented from moving out of the front end of the connector; on the other hand, one side of the connector shell is provided with an axially extending window corresponding to the position of the limiting bulge, when the ferrule assembly is disassembled, the limiting clamping hook at the tail of the ferrule assembly moves towards the direction of the window, so that the ferrule assembly is separated from the connector shell, and the damage to parts in the disassembling process of the ferrule assembly is avoided.
Description
Technical Field
The invention relates to the technical field of connectors, in particular to an optical fiber connector.
Background
With the rapid development of optical fiber communication technology, the PON access technology has become the most important solution for the global FTTH (fiber to the home) popularization. For the access installation of the FTTH, the optical fiber quick connector assembly has become the optimal selection scheme for the access of the FTTH at present due to the advantages of convenient installation, rapidness, high efficiency and the like. Straight-through and pre-buried types are common in existing fiber optic quick connector assemblies.
Pre-buried formula optic fibre quick connector subassembly among the prior art, because the lock pin subassembly generally stretches into in the inner chamber of connector housing with the connector housing joint through the trip, it is convenient fast to assemble, but when the equipment goes wrong and need dismantle, because the lock pin subassembly receives the restriction of trip structure to the removal of connector housing front end direction, and the lock pin subassembly can't send the connector housing tail end direction to shift out, consequently, the lock pin subassembly is extracted through external force by force during general dismantlement, lead to the trip deformation damage of lock pin subassembly, can't the secondary use or have great influence to the reliability of connector connection optic fibre after reassembling.
Disclosure of Invention
The invention aims to provide an optical fiber connector which can realize the movement of a ferrule assembly and a connector shell towards the front end of the connector shell after the assembly and is beneficial to avoiding the damage of parts in the process of disassembling the ferrule assembly and the connector shell.
In order to achieve the purpose, the invention provides an optical fiber connector, which comprises a ferrule assembly and a connector shell, wherein the connector shell is provided with an inner cavity extending axially, the inner side wall of the inner cavity is provided with a limiting protrusion, the tail part of the ferrule assembly is provided with a limiting hook, the ferrule assembly is inserted into the inner cavity and is clamped with the limiting protrusion through the limiting hook to limit the ferrule assembly to move towards the front end of the inner cavity, the connector shell is provided with an axially extending window corresponding to the limiting protrusion, and the tail part of the ferrule assembly can move towards the window.
Optionally, the window further comprises a cover plate, the cover plate comprises a cover body covering the window and a cantilever clamping hook connected with the cover body, a clamping groove is formed in at least one side of the window, and the cantilever clamping hook is clamped with the clamping groove.
Optionally, a side of the connector housing, on which the window is formed, is provided with a mounting hole, and the inner side wall of the mounting hole is provided with the clamping groove.
Optionally, a through hole is formed in one side of the clamping groove and communicated with one side face of the connector shell.
Optionally, the number of the cantilever clamping hooks is two, and the two sides of the window are respectively provided with the clamping grooves for being clamped with the cantilever clamping hooks.
Optionally, the cover body is provided with a first side surface facing the window, and the first side surface is provided with a projection protruding in a direction opposite to the first side surface and used for abutting against the ferrule assembly.
Optionally, the ferrule assembly is provided with a first limiting surface facing the tail end direction of the ferrule assembly, the limiting protrusion is provided with a second limiting surface facing the front end of the connector housing, a spring is sleeved outside the ferrule assembly, and two ends of the spring are respectively abutted against the first limiting surface and the second limiting surface.
Optionally, the inner side wall of the inner cavity is provided with a positioning protrusion, the positioning protrusion is provided with a third limiting surface facing the front end of the connector shell, the ferrule assembly is provided with a fourth limiting surface facing the tail end of the ferrule assembly, a spring is sleeved on the outer side of the ferrule assembly, and two ends of the spring are respectively abutted against the third limiting surface and the fourth limiting surface.
Optionally, the connector further comprises a tail sleeve sleeved outside the connector shell, a limiting groove is formed in one side of the tail sleeve, a first side wall facing the tail end of the tail sleeve is arranged in the limiting groove, a movable elastic sheet is arranged on the connector shell, a third side wall facing the front end of the connector shell is arranged on the movable elastic sheet, one end of the third side wall is embedded into the limiting groove, and the third side wall is abutted to the first side wall.
Optionally, the tail of the connector housing is provided with a clamping groove extending axially, the two opposite side walls are respectively provided with a plurality of first protrusions and second protrusions, and the first protrusions and the second protrusions are arranged in a staggered manner along the axial direction of the connector housing.
The embodiment of the invention has the following technical effects:
on one hand, the limiting bulge is arranged on the inner wall of the inner cavity of the connector shell, and the tail part of the ferrule assembly forms the limiting clamping hook, so that when the ferrule assembly is inserted into the inner cavity, the axial limiting of the ferrule assembly is realized by clamping the limiting clamping hook and the limiting bulge, and the ferrule assembly is prevented from moving out of the front end of the connector; on the other hand, in order to make things convenient for the lock pin subassembly to lift off from the connector housing when the equipment problem appears or need the maintenance, connector housing one side corresponds spacing bellied position and has seted up axially extended window, when the lock pin subassembly is dismantled, move to the window direction through the spacing trip that makes the lock pin subassembly afterbody, leave spacing arch when spacing trip, can take out the lock pin subassembly from the inner chamber, thereby realize the separation of lock pin subassembly and connector housing, avoided the lock pin subassembly to dismantle the in-process and damaged spare part, guarantee the performance that the connector used.
Drawings
FIG. 1 is an exploded view of a preferred embodiment of the present invention;
FIG. 2 is a cross-sectional view of a preferred embodiment of the present invention;
FIG. 3 is an enlarged schematic view at A in FIG. 2;
FIG. 4 is an enlarged schematic view at B in FIG. 2;
FIG. 5 is a schematic structural view of a ferrule assembly in a preferred embodiment of the present invention;
figure 6 is an exploded view of a ferrule assembly in a preferred embodiment of the present invention;
FIG. 7 is a front view of the connector housing assembled with the cover plate in the preferred embodiment of the present invention;
FIG. 8 is a cross-sectional view taken at C-C of FIG. 7;
FIG. 9 is a front view of the connector housing in the preferred embodiment of the present invention;
FIG. 10 is a cross-sectional view of the connector housing in the preferred embodiment of the present invention;
FIG. 11 is a schematic view of the structure of the cover plate in the preferred embodiment of the present invention;
FIG. 12 is a schematic structural view of the ferrule assembly in a disassembled state in the preferred embodiment of the present invention;
FIG. 13 is a cross-sectional view of another embodiment of the present invention;
FIG. 14 is a cross-sectional view of the connector assembled with the cover plate in another embodiment of the present invention;
FIG. 15 is an enlarged partial schematic view at C of FIG. 13;
fig. 16 is a schematic structural diagram of a cover plate in another embodiment of the present invention.
Description of reference numerals:
1. the ferrule assembly comprises a ferrule assembly, 11, a limiting hook, 12, a first limiting surface, 13, a fourth limiting surface, 14, a lock catch, 15, a ceramic ferrule, 16, a tailstock, 17, a pressing block, 18, a groove portion, 2, a connector housing, 21, an inner cavity, 211, an ejection hole, 22, a limiting protrusion, 221, a second limiting surface, 23, a window, 24, an installation hole, 241, a clamping groove, 25, a through hole, 26, a positioning protrusion, 261, a third limiting surface, 27, a movable elastic sheet, 271, a third side wall, 28, a positioning end surface, 29, a clamping groove, 291, a first protrusion, 292, a second protrusion, 3, a cover plate, 31, a cover body, 311, a bump, 312, a first side surface, 32, a cantilever hook, 4, a spring, 5, a tail sleeve, 51, a limiting groove, 511, a first side wall, 52 and a movable pressing sheet.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In addition, the terms "first", "second", and the like are employed in the present invention to describe various information, but the information should not be limited to these terms, which are used only to distinguish the same type of information from each other. For example, "first" information may also be referred to as "second" information, and similarly, "second" information may also be referred to as "first" information, without departing from the scope of the present invention.
Referring to fig. 1 to 11, an embodiment of the present invention provides an optical fiber connector, including a ferrule assembly 1 and a connector housing 2, the connector housing 2 is provided with an axially extending inner cavity 21, an inner side wall of the inner cavity 21 is provided with a limiting protrusion 22, a tail portion of the ferrule assembly 1 is provided with a limiting hook 11, the ferrule assembly 1 is inserted into the inner cavity 21 and is clamped with the limiting protrusion 22 through the limiting hook 11 to limit the ferrule assembly 1 to move towards a front end of the inner cavity 21, the connector housing 2 is provided with an axially extending window 23 corresponding to the limiting protrusion 22, and the tail portion of the ferrule assembly 1 can move towards the window 23. Specifically, the stopper projection 22 in the present embodiment is provided in the middle section area of the connector housing 2.
On one hand, the inner wall of an inner cavity 21 of the connector shell 2 is provided with the limiting bulge 22, the tail part of the ferrule assembly 1 forms the limiting clamping hook 11, when the ferrule assembly 1 is inserted into the inner cavity 21, the limiting clamping hook 11 is clamped with the limiting bulge 22 to realize axial limiting of the ferrule assembly 1, and the ferrule assembly 1 is prevented from moving out of the front end of the connector; on the other hand, in order to conveniently detach the ferrule assembly 1 from the connector housing 2 when the assembly problem occurs or the maintenance is required, the axially extending window 23 is formed in the position, corresponding to the limiting protrusion 22, of one side of the connector housing 2, when the ferrule assembly 1 is detached, the limiting hook 11 at the tail of the ferrule assembly 1 moves towards the window 23, and when the limiting hook 11 leaves the limiting protrusion 22, the ferrule assembly 1 can be taken out from the inner cavity 21, so that the separation of the ferrule assembly 1 and the connector housing 2 is realized, the damage to parts in the detaching process of the ferrule assembly 1 is avoided, and the use performance of the connector is ensured.
The components of the ferrule assembly comprise a ceramic ferrule 15, a pre-embedded optical fiber, a tailstock 16, a pressing block 17 and a lock catch 14, wherein the tailstock 16 of the ferrule assembly 1 is made of a metal material, so that the deformation possibility of the ferrule assembly 1 in the assembling and disassembling process can be reduced, and the use stability is improved; in the ferrule assembly 1, the pre-buried optical fiber is arranged in an inner hole of the ceramic ferrule 15, one end of the pre-buried optical fiber is exposed out of a plugging end of the ceramic ferrule 15, and the other end of the pre-buried optical fiber is exposed out of a groove part 18 of the ceramic ferrule 15; the ceramic ferrule 15 is sleeved in the tailstock 16, and the insertion end of the ceramic ferrule 15 is exposed out of the front end opening of the tailstock 16; the pressing block 17 is matched with the groove part 18 of the ceramic ferrule 15; the spring 4 is sleeved on the outer surface of the tail part of the tailstock 16; the lock catch 14 is movably sleeved on the outer surface of the tail seat 16, so that when the ferrule assembly 1 is inserted into the cavity 21 and connected with the external optical fiber, the external optical fiber extends into the cavity 21 from the rear end of the connector housing 2 and reaches the groove portion 18 of the ferrule assembly 1, so as to realize the butt joint of the embedded optical fiber and the external optical fiber, and then the lock catch 14 is pushed towards the front end of the connector housing 2, so that the fit between the pressing block 17 and the groove portion 18 is changed from loose fit to tight fit, thereby locking and pressing the optical fiber butt joint, wherein, in order to facilitate the pushing of the lock catch 14 when the ferrule assembly 1 is inserted into the cavity 21, specifically, the window 23 in the embodiment includes a first window 231 and a second window 232, the position of the first window 231 corresponds to the moving area range of the lock catch 14, the position of the second window 232 corresponds to the position of the limiting protrusion 22, so that the limiting hook 11 of the ferrule assembly 1 can be moved out of the second window 232 and, the disassembly of the ferrule assembly 1 from the connector housing 2 is realized.
Further, the first window 231 and the second window 232 penetrate in the axial direction of the connector housing to form a window 23, so that the ferrule assembly 1 has enough space to meet the requirement that the limiting hook is separated from the limiting protrusion when the tail end is deviated.
Referring to fig. 1, 2, 6-10, further, in order to prevent the ferrule assembly 1 from being separated from the connector housing 2 due to the movement of the ferrule assembly 1 accidentally stressed from the window 23 during use, the connector in this embodiment further includes a cover plate 3, the cover plate 3 includes a cover body 31 covering the window 23 and a cantilever hook 32 connected to the cover body 31, at least one side of the window 23 is provided with a slot 241, the cantilever hook 32 is engaged with the slot 241, so that the window 23 is covered by the cover body 31, thereby preventing the tail of the ferrule assembly 1 from being accidentally moved out of the window 23, improving the reliability and stability of the use of the connector, and when the ferrule assembly 1 needs to be disassembled, only the cantilever hook 32 needs to be separated from the slot 241; specifically, in the present embodiment, the cover plate 3 is covered on the second window 232 to avoid blocking the movable lock 14.
Referring to fig. 7, specifically, a side surface of the connector housing 2, on which the window 23 is formed, is provided with a mounting hole 24, and a clamping groove 241 is formed in an inner side wall of the mounting hole 24, so that when the cantilever hook 32 is clamped with the clamping groove 241, the cantilever hook 32 is disposed in the mounting hole 24, thereby preventing the cover plate 3 from falling off due to the separation of the cantilever hook 32 from the clamping groove 241 due to an unexpected force, and further improving the reliability of the connection between the cover plate 3 and the connector housing 2.
Meanwhile, in order to facilitate the detachment of the cover plate 3 from the connector housing 2, one side of the clamping groove 241 of this embodiment is provided with two through holes 25 communicated with one side of the connector housing 2, and the number of the cantilever clamping hooks 32 is two, the two sides of the window 23 are respectively provided with two clamping grooves 241 for being clamped with the cantilever clamping hooks 32, specifically, the cantilever clamping hooks 32 in this embodiment are arranged oppositely, so that the clamping grooves 241 arranged in the two mounting holes 24 are arranged oppositely, therefore, the through holes 25 in this embodiment are communicated with one side of the connector housing 2 back to the window 23, so that a user can detach the cover plate 3 after inserting the through holes 25 and ejecting the cantilever clamping hooks 32 from the mounting holes 24 by a tool.
Referring to fig. 13, in another embodiment, the cantilever hooks 32 are arranged oppositely, so that the slots 241 disposed in the two mounting holes 24 are disposed oppositely, and at this time, the through hole 25 formed on one side of the slot 241 is communicated with one side of the adjacent window 23 of the connector housing 2, so that a user can eject the cantilever hook 32 from the slot 241 through the through hole 25, thereby separating the cover plate 3 from the connector housing 2.
Referring to fig. 10, further, the cover 31 in this embodiment is provided with a first side surface facing the window 23, and the first side surface is provided with a protruding block 311 protruding in a direction away from the first side surface for abutting against the ferrule assembly 1, so that when the cantilever hook 32 is engaged with the engaging groove 241, the cover 31 can apply pressure to one side surface of the ferrule assembly 1 through the protruding block 311, thereby locking the ferrule assembly 1 and improving the stability of the installation of the ferrule assembly 1.
In order to prevent the ferrule assembly 1 from moving to the tail end of the connector housing 2, the ferrule assembly 1 of the present embodiment is provided with a first limiting surface 12 facing the tail end direction of the ferrule assembly 1, the limiting protrusion 22 is provided with a second limiting surface 221 facing the front end of the connector housing 2, the outer side of the ferrule assembly 1 is sleeved with a spring 4, and two ends of the spring 4 are respectively abutted against the first limiting surface 12 and the second limiting surface 221, referring to fig. 2 and 4, so that the ferrule assembly 1 can automatically reset when moving to the tail end direction of the connector housing 2 by providing elastic force through the spring 4, and when the ferrule assembly 1 is collided, the spring 4 can provide buffer, thereby preventing the ferrule assembly 1 from being damaged and being more reliable in use; specifically, the first limiting surface 12 in this embodiment is disposed in the rear section area of the ferrule assembly 1.
Further, the connector housing has the backset district that is used for the lock pin subassembly axial to predetermine the within range removal, on the one hand, can cooperate the setting of spring, buffer when being used for the lock pin subassembly to receive the striking, on the other hand, when spacing trip at the lock pin subassembly need break away from spacing arch, press the lock pin subassembly to the rear end direction, make spacing trip and spacing protruding axial direction have a certain interval after, make the tail end of lock pin subassembly to remove to the window direction again, thereby reduce the resistance that spacing trip and spacing arch of lock pin subassembly break away from.
Referring to fig. 12 and 14, in another embodiment, a positioning protrusion 26 is disposed on an inner side wall of the inner cavity 21, the positioning protrusion 26 is provided with a third limiting surface 261 facing a front end of the connector housing 2, the ferrule assembly 1 is provided with a fourth limiting surface 13 facing a tail end of the ferrule assembly 1, the spring 4 is sleeved on an outer side of the ferrule assembly 1, two ends of the spring 4 respectively abut against the third limiting surface 261 and the fourth limiting surface 13, axial limiting of the ferrule assembly 1 is achieved, buffering is provided by the spring 4, damage to the ferrule assembly 1 is avoided, and reliability of use of the connector is improved. Specifically, the fourth limiting surface 13 in this embodiment is disposed in the front section area of the ferrule assembly 1.
Referring to fig. 2 and 3, in order to facilitate the assembly of the connector, the embodiment further includes a tail sleeve 5 sleeved outside the connector housing 2, one side of the tail sleeve 5 is provided with a limiting groove 51, the limiting groove 51 is provided with a first side wall 511 facing the tail end of the tail sleeve 5, the connector housing 2 is provided with a movable spring 27, the movable spring 27 is provided with a third side wall 271 facing the front end of the connector housing 2, one end of the movable spring 27 provided with the third side wall 271 is embedded into the limiting groove 51, the third side wall 271 abuts against the first side wall 511, the connector housing 2 is provided with a positioning end surface 28 facing the tail end of the connector housing 2 and used for limiting the tail sleeve 5 to move towards the front end of the connector housing 2, so that when the connector housing 2 is assembled with the tail sleeve 5, the tail sleeve 5 is sleeved into the connector housing 2, when the first side wall 511 abuts against the third side wall 271, the front end of the tail sleeve 5 abuts against the positioning end, the axial fixation of the connector shell 2 and the tail sleeve 5 is realized; in addition, in order to facilitate the detachment of the tail sleeve 5 from the connector housing 2, the limiting groove 51 in the present embodiment is provided with a movable pressing piece 52, and the movable elastic piece 27 is conveniently pressed out of the limiting groove 51 through the movable pressing piece 52.
Referring to fig. 2 and 6, further, the tail portion of the connector housing 2 is provided with a clamping groove 29 extending axially, and two opposite side walls are respectively provided with a plurality of first protrusions 291 and second protrusions 292, so that when an optical cable is inserted from the tail end of the connector housing 2 and connected with the ferrule assembly 1, the optical cable can be clamped through the clamping groove 29, and meanwhile, the friction force applied to the optical cable in the clamping groove 29 is increased by the first protrusions 291 and the second protrusions 292, so as to improve the stability of the optical cable clamped in the clamping groove 29, and in addition, in order to further improve the reliability of the optical cable clamped by the clamping groove 29, in this embodiment, the plurality of first protrusions 291 and the second protrusions 292 are arranged in a staggered manner along the axial direction of the connector housing 2, so as to improve the clamping force of the optical cable.
Preferably, the connector housing and the tail sleeve in the embodiment are both made of transparent resin materials, so that the assembly effect of the connector can be observed or detected conveniently, and in addition, the connector housing is made by adopting an integral forming process.
Connector assembly in this embodiment:
firstly, inserting the ferrule assembly 1 into the inner cavity 21 from the front end of the connector shell 2, and clamping the limiting clamping hook 11 of the ferrule assembly 1 with the limiting bulge 22 to prevent the ferrule assembly 1 from being separated from the front end of the connector shell 2 after being installed in the connector shell 2; meanwhile, two ends of the spring 4 are respectively abutted against the second limiting surface 221 of the limiting bulge 22 arranged on the inner side wall of the inner cavity 21 and the first limiting surface 12 of the ferrule assembly 1, and the movement of the ferrule assembly 1 towards the tail end direction of the connector shell 2 is limited through the elasticity of the spring 4, so that the limiting effect of the ferrule assembly 1 is realized; then, the cover body 31 is covered on the window 23, so that the cantilever clamping hook 32 is inserted into the mounting hole 24 and clamped with the clamping groove 241 arranged in the mounting hole 24; then, an external optical fiber is extended into the connector housing 2 from the tail end, so that the external optical fiber is butted with the pre-embedded optical fiber in the ferrule assembly 1, part of the optical cable of the optical fiber is placed in the clamping groove 29 to realize the fixation of the optical cable, and the lock catch 14 of the movable ferrule assembly 1 locks the optical fiber; finally, the tail sleeve 5 is sleeved, the movable elastic sheet 27 of the connector shell 2 is embedded into the limiting groove 51, the third side wall 271 of the limiting elastic sheet is abutted against the first side wall 511, the front end of the tail sleeve 5 is abutted against the positioning end face 28, and the tail sleeve 5 is fixed.
When the connector of this embodiment is disassembled:
firstly, pressing a movable pressing sheet 52 of the tail sleeve 5 to separate a movable elastic sheet 27 from a limiting groove 51 of the tail sleeve 5, removing the tail sleeve 5, then moving a lock catch 14 of the ferrule assembly 1 towards the tail end direction of the connector shell 2, unlocking an external optical fiber, and removing the external optical fiber and an optical cable in a clamping part; then, the cantilever hooks 32 are separated from the card slots 241 through the through holes 25 of the connector housing 2, and the cover plate 3 is removed; then, a pry bar or an ejector rod is adopted to move the tail end of the ferrule assembly 1 towards the window 23, wherein an ejection hole 211 is formed in one side of the connector housing 2, which is opposite to the window 23, so that the ejector rod can eject the ferrule assembly 1 from the ejection hole 211 conveniently, and the limiting clamping hook 11 is separated from the limiting protrusion 22; finally, the ferrule assembly 1 is removed from the front end of the connector housing 2.
In summary, in the invention, on one hand, the inner wall of the inner cavity 21 of the connector housing 2 is provided with the limiting protrusion 22, and the tail of the ferrule assembly 1 is provided with the limiting hook 11, when the ferrule assembly 1 is inserted into the inner cavity 21, the axial limiting of the ferrule assembly 1 is realized by the clamping connection of the limiting hook 11 and the limiting protrusion 22, so that the ferrule assembly 1 is prevented from moving out of the front end of the connector; on the other hand, in order to facilitate the detachment of the ferrule assembly 1 from the connector housing 2 when the assembly problem occurs or the maintenance is required, an axially extending window 23 is formed in one side of the connector housing 2 corresponding to the position of the limiting protrusion 22, when the ferrule assembly 1 is detached, the limiting hook 11 at the tail of the ferrule assembly 1 moves towards the window 23, and when the limiting hook 11 leaves the limiting protrusion 22, the ferrule assembly 1 can be pulled out from the inner cavity 21, so that the separation of the ferrule assembly 1 and the connector housing 2 is realized, the damage to parts in the detachment process of the ferrule assembly 1 is avoided, and the use performance of the connector is ensured;
in addition, in order to improve the stability of the ferrule assembly 1 inserted in the inner cavity 21, the limiting hook 11 of the ferrule assembly 1 is prevented from being accidentally stressed and separated from the limiting protrusion 22, the cover plate 3 is arranged on the window 23, and when the cover plate 3 is clamped and connected with the connector shell 2, the cantilever hook 32 and the clamping groove 241 can be separated through the through hole 25, the cover plate 3 can be conveniently detached, and meanwhile, the cover plate 3 and the connector shell 2 are prevented from being forcibly detached.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.
Claims (10)
1. The utility model provides an optical fiber connector, its characterized in that, includes ferrule assembly and connector shell, axial extension's inner chamber is seted up to the connector shell, the inside wall of inner chamber is equipped with spacing arch, ferrule assembly's afterbody is equipped with spacing trip, ferrule assembly inserts and locates the inner chamber and pass through spacing trip with spacing protruding joint removes to the inner chamber front end in order to restrict ferrule assembly, the connector shell corresponds axial extension's window is seted up to spacing bellied position, ferrule assembly's afterbody can to the window direction removes.
2. The optical fiber connector according to claim 1, further comprising a cover plate, wherein the cover plate comprises a cover body covering the window and a cantilever hook connected to the cover body, at least one side of the window is provided with a slot, and the cantilever hook is engaged with the slot.
3. The optical fiber connector according to claim 2, wherein a side of the connector housing, on which the window is formed, is formed with a mounting hole, and a side wall of the mounting hole is formed with the locking groove.
4. The optical fiber connector according to claim 3, wherein a through hole is formed at one side of the slot to communicate with a side surface of the connector housing.
5. The optical fiber connector according to any one of claims 2-4, wherein there are two cantilever hooks, and the two sides of the window are respectively provided with the clamping grooves for clamping with the cantilever hooks.
6. The fiber optic connector of claim 2, wherein the cover has a first side facing the window, the first side having a projection projecting away from the first side for abutting the ferrule assembly.
7. The optical fiber connector according to claim 1, wherein the ferrule assembly is provided with a first limiting surface facing the direction of the tail end of the ferrule assembly, the limiting protrusion is provided with a second limiting surface facing the front end of the connector housing, a spring is sleeved outside the ferrule assembly, and two ends of the spring respectively abut against the first limiting surface and the second limiting surface.
8. The optical fiber connector according to claim 1, wherein the inner side wall of the inner cavity is provided with a positioning protrusion, the positioning protrusion is provided with a third limiting surface facing the front end of the connector housing, the ferrule assembly is provided with a fourth limiting surface facing the tail end of the ferrule assembly, the outer side of the ferrule assembly is sleeved with a spring, and two ends of the spring respectively abut against the third limiting surface and the fourth limiting surface.
9. The optical fiber connector according to claim 1, further comprising a tail sleeve sleeved outside the connector housing, wherein a limiting groove is formed in one side of the tail sleeve, the limiting groove is provided with a first side wall facing the tail end of the tail sleeve, the connector housing is provided with a movable spring, the movable spring is provided with a third side wall facing the front end of the connector housing, one end of the movable spring, provided with the third side wall, is embedded in the limiting groove, and the third side wall is abutted against the first side wall.
10. The optical fiber connector according to claim 1, wherein the tail portion of the connector housing defines an axially extending clamping groove, the opposite sidewalls define a plurality of first protrusions and second protrusions, respectively, and the first protrusions and the second protrusions are staggered along the axial direction of the connector housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010502372.XA CN111610601A (en) | 2020-06-04 | 2020-06-04 | Optical fiber connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010502372.XA CN111610601A (en) | 2020-06-04 | 2020-06-04 | Optical fiber connector |
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| Publication Number | Publication Date |
|---|---|
| CN111610601A true CN111610601A (en) | 2020-09-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010502372.XA Pending CN111610601A (en) | 2020-06-04 | 2020-06-04 | Optical fiber connector |
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| CN (1) | CN111610601A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114468691A (en) * | 2022-01-13 | 2022-05-13 | 深圳市优博讯科技股份有限公司 | Electronic equipment theftproof show shelf |
| CN114488417A (en) * | 2022-01-28 | 2022-05-13 | 华为技术有限公司 | Optical fiber connector and optical fiber connector |
| WO2022253039A1 (en) * | 2021-06-03 | 2022-12-08 | 潮州三环（集团）股份有限公司 | Ferrule assembly and optical fiber quick connector having same |
-
2020
- 2020-06-04 CN CN202010502372.XA patent/CN111610601A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022253039A1 (en) * | 2021-06-03 | 2022-12-08 | 潮州三环（集团）股份有限公司 | Ferrule assembly and optical fiber quick connector having same |
| CN114468691A (en) * | 2022-01-13 | 2022-05-13 | 深圳市优博讯科技股份有限公司 | Electronic equipment theftproof show shelf |
| CN114488417A (en) * | 2022-01-28 | 2022-05-13 | 华为技术有限公司 | Optical fiber connector and optical fiber connector |
| CN114488417B (en) * | 2022-01-28 | 2024-03-01 | 华为技术有限公司 | Optical fiber connector and optical fiber connector |
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