CN218037450U - Optical fiber connector assembly - Google Patents

Abstract

The application relates to an optical fiber connector assembly, which belongs to the technical field of optical fiber connectors. The method comprises the following steps: the adapter comprises an adapter shell in a pipe body structure, wherein a guide hole is radially formed in the side wall of the adapter shell, and a locking sliding block which is in sliding connection with the adapter shell along the radial direction is arranged in the guide hole; the connector comprises a plug body inserted into the shell of the adapter, a clamping groove matched with the locking slide block is formed in the side wall of the plug body, and an outer sleeve for driving the locking slide block and the clamping groove to be close to each other and to be away from each other is sleeved on the plug body. When the connector is pulled out from the adapter, the outer sleeve is pulled to drive the locking sliding block and the clamping groove to be away from each other to realize unlocking of the connector and the adapter. The optical fiber connector structure is simplified, the number of parts is reduced, the product cost is reduced, and the connector locking structure is reliable and simple to operate.

Description

Optical fiber connector assembly

Technical Field

The application relates to the technical field of optical fiber connectors, in particular to an optical fiber connector assembly.

Background

Fiber optic connectors are passive devices that enable the connection between optical fibers. Most fiber optic connectors make connections between optical fibers with two plugs and an adapter. Each plug and each adapter are separated independently and can be freely plugged in and pulled out. In order to realize free plugging between the plug and the adapter, the plug needs a plurality of auxiliary parts, the structure is complex, the number of plug parts is large, and the production cost is too high.

Disclosure of Invention

The embodiment of the application provides an optical fiber connector assembly to solve the problems that in the prior art, a plug of an optical fiber connector needs a plurality of auxiliary parts, the structure is complex, the number of plug parts is large, and the production cost is too high.

An embodiment of the present application provides an optical fiber connector assembly, including:

the adapter comprises an adapter shell in a pipe body structure, a guide hole is radially formed in the side wall of the adapter shell, and a locking sliding block which is in sliding connection with the adapter shell along the radial direction is arranged in the guide hole;

the connector comprises a plug body inserted into the shell of the adapter, a clamping groove matched with the locking slide block is formed in the side wall of the plug body, and an outer sleeve for driving the locking slide block to be close to and far away from the clamping groove is sleeved on the plug body.

In some embodiments: the plug comprises an outer sleeve and a locking slide block, wherein the outer sleeve is arranged on the outer sleeve, the outer sleeve is provided with a guide groove, the locking slide block and the clamping groove are close to each other and far away from each other, and the locking slide block is provided with a guide column which is positioned in the guide groove and is in sliding connection with the guide groove.

In some embodiments: two plug boards which are parallel to each other and arranged at intervals are symmetrically arranged at one end of the outer sleeve, the guide grooves are positioned at one side of the plug board, which is far away from the plug body, two guide grooves are respectively arranged on the two plug boards, and the two guide grooves form a V-shaped groove;

the locking slide blocks are two, two the locking slide blocks are mutually symmetrical and enclose the periphery of the plug body and the plug board, and the guide posts are located at the two ends of the locking slide blocks and are respectively in sliding connection with the guide grooves in the two plug boards.

In some embodiments: the locking sliding block is of a C-shaped or a V-21274-shaped structure, one end, far away from the outer sleeve, of the locking sliding block is provided with a stopping surface matched with the clamping groove, and the stopping surface is parallel to the side wall of the clamping groove;

the inner wall of the locking sliding block is provided with a guide slope surface, and the guide slope surface is connected with the plug body in a sliding mode so that the locking sliding block slides towards the direction far away from the clamping groove.

In some embodiments: the plug body is provided with a spring for driving the outer sleeve to slide towards the direction of the adapter shell, and the plug body is also provided with a sealing ring which is hermetically connected with the outer sleeve;

and a pull ring is sleeved on the outer sleeve, and a pull belt for driving the outer sleeve to slide in the direction away from the adapter shell is connected to the pull ring.

In some embodiments: the front end of the plug body is connected with a plug in a buckling mode, the front end of the plug is connected with a ferrule sheath in a buckling mode, and a first ceramic ferrule is contained in the plug and the ferrule sheath;

one end of the adapter shell, which is far away from the plug body, is connected with an indoor connector shell in a buckling mode, and a second ceramic ferrule butted with the first ceramic ferrule is accommodated in the indoor connector shell.

In some embodiments: the indoor connector shell is of a pipe body structure with an opening on the side wall, and a ferrule accommodating cavity for accommodating a second ceramic ferrule is arranged in the indoor connector shell;

and the ferrule accommodating cavity is internally provided with a ferrule limiting ring for clamping the second ceramic ferrule and a ferrule limiting boss for limiting the circumferential rotation of the second ceramic ferrule.

In some embodiments: one end of the adapter shell, which is far away from the plug body, is provided with a clamping hole for clamping and connecting the indoor connector shell;

the tail end of the indoor connector shell is provided with an elastic sheet extending out of the adapter shell, and a boss connected with the clamping hole in a clamping mode is arranged on the elastic sheet.

In some embodiments: an outdoor connector accommodating cavity for accommodating a plug, a ferrule sheath and a first ceramic ferrule and an indoor connector accommodating cavity for accommodating an indoor connector shell and a second ceramic ferrule are arranged in the adapter shell;

and a ceramic sleeve accommodating cavity for accommodating a ceramic sleeve is arranged between the outdoor connector accommodating cavity and the indoor connector accommodating cavity, and the first ceramic ferrule and the second ceramic ferrule are butted in the ceramic sleeve.

In some embodiments: the connector comprises a connector sheath, and is characterized by further comprising a connector sheath, wherein the connector sheath is a barrel with an opening end, an internal thread for connecting an outer sleeve is arranged in the connector sheath, and an external thread in threaded connection with the connector sheath is arranged on the outer sleeve.

The beneficial effect that technical scheme that this application provided brought includes:

the embodiment of the application provides an optical fiber connector assembly, which is characterized in that the optical fiber connector assembly is provided with an adapter, the adapter comprises an adapter shell in a pipe body structure, the side wall of the adapter shell is radially provided with a guide hole, and a locking sliding block which is in sliding connection with the adapter shell along the radial direction is arranged in the guide hole; the connector comprises a plug body inserted into the shell of the adapter, a clamping groove matched with the locking slide block is arranged on the side wall of the plug body, and an outer sleeve for driving the locking slide block and the clamping groove to approach each other and to be away from each other is sleeved on the plug body.

Therefore, the fiber connector assembly of the application radially has seted up the guiding hole on the adapter shell lateral wall to be equipped with the locking slider along radial direction and adapter shell sliding connection in the guiding hole. Be equipped with the draw-in groove with the locking slider adaptation on the lateral wall of plug body, when connector and adapter butt joint, in the plug body inserted the adapter shell, locking slider and the draw-in groove joint on the plug body to the restriction plug body is deviate from in following the adapter shell, has improved the reliability that connector and adapter are connected. When the connector is pulled out of the adapter, the outer sleeve is pulled to drive the locking slide block and the clamping groove to be away from each other, so that unlocking of the connector and the adapter is achieved. The optical fiber connector structure is simplified, the number of parts is reduced, the product cost is reduced, and the connector locking structure is reliable and simple to operate.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is a schematic structural diagram of an embodiment of the present application;

FIG. 2 is a cross-sectional structural view of an embodiment of the present application;

FIG. 3 is an enlarged view of a portion of FIG. 2 at A;

FIG. 4 is a schematic structural diagram of a connector according to an embodiment of the present application;

FIG. 5 is a perspective view of the adapter housing and locking slide of the present application;

FIG. 6 is a top view of an adapter housing and locking slide according to an embodiment of the present application;

FIG. 7 isbase:Sub>A cross-sectional view taken along A-A of FIG. 6;

FIG. 8 is a perspective view of the locking slider according to the embodiment of the present application;

FIG. 9 is a front view of the locking slider according to the embodiment of the present application;

FIG. 10 is a perspective view of a plug body according to an embodiment of the present invention;

FIG. 11 is a perspective view of an outer sleeve according to an embodiment of the present application;

FIG. 12 is a schematic structural view of an indoor connector housing and a second ferrule according to an embodiment of the present disclosure;

FIG. 13 is a schematic view of the construction of an indoor connector housing according to an embodiment of the present application;

fig. 14 is a schematic structural view of a connector boot according to an embodiment of the present application.

Reference numerals:

100. an adapter; 110. an adapter housing; 111. a guide hole; 112. an outdoor connector receiving cavity; 113. an indoor connector accommodating cavity; 114. a ceramic sleeve receiving cavity; 115. a clamping hole; 120. locking the sliding block; 121. a guide post; 122. guiding the slope surface; 130. an indoor connector housing; 131. a ferrule receiving cavity; 132. inserting a core limiting ring; 133. the plug core limit boss; 134. an elastic sheet; 135. a boss; 140. a second ferrule; 150. a ceramic sleeve; 160. a connector sheath; 161. an internal thread; 162. threading holes;

200. a connector; 210. a plug body; 211. a card slot; 212. an annular groove; 213. a chute; 214. a limiting ring; 220. an outer sleeve; 221. a guide groove; 222. inserting plates; 223. an external thread; 230. a pull ring; 240. pulling the belt; 250. a plug; 260. a ferrule sheath; 270. a first ferrule; 280. a spring; 290. and (5) sealing rings.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

The embodiment of the application provides an optical fiber connector assembly, which can solve the problems that in the prior art, a plug of an optical fiber connector needs a plurality of auxiliary parts, the structure is complex, the number of the plug parts is large, and the production cost is too high.

Referring to fig. 1 to 6, an embodiment of the present application provides an optical fiber connector assembly, including:

the adapter 100 includes an adapter housing 110 having a tubular structure, and a guide hole 111 is radially formed in a side wall of one end of the adapter housing 110, where the guide hole 111 in the embodiment of the present application may be specifically set according to actual needs, and may be one or more, and the embodiment of the present application takes two guide holes 111 symmetrically arranged as an example for description. In both the guide holes 111, there are provided locking sliders 120 slidably connected to the adapter housing 110 in the radial direction of the adapter housing 110, the two locking sliders 120 are freely slidable in the radial direction of the adapter housing 110 by the positioning and guiding action of the guide holes 111, and the two locking sliders 120 are slidable in directions approaching and departing from each other.

The connector 200, this connector 200 includes inserting the plug body 210 in the adapter shell 110, is equipped with the draw-in groove 211 with two locking slider 120 adaptations on the lateral wall of plug body 210, after two locking slider 120 get into draw-in groove 211 with the direction of approaching the plug body 210 respectively and the joint with draw-in groove 211 to keep interconnect between plug body 210 and the adapter shell 110 in order to prevent to loosen. The plug body 210 is sleeved with an outer sleeve 220 for driving the locking slider 120 and the clamping groove 211 to approach each other and to move away from each other, and the outer sleeve 220 drives the locking slider 120 and the clamping groove 211 to approach each other and to move away from each other, so that the plug body 210 and the adapter shell 110 are locked and separated.

In the optical fiber connector assembly according to the embodiment of the present application, the side wall of the adapter housing 110 is radially provided with a guide hole 111, and a locking slider 120 slidably connected to the adapter housing 110 along the radial direction is disposed in the guide hole 111. A clamping groove 211 matched with the locking slider 120 is arranged on the side wall of the plug body 210. When the connector 200 is butted with the adapter 100, the plug body 210 is inserted into the adapter housing 110, and the locking sliders 120 are clamped with the clamping grooves 211 on the plug body 210, so that the plug body 210 is limited to be separated from the adapter housing 110, the connection reliability of the connector 200 and the adapter 100 is improved, and the phenomenon that the connector 200 is separated from the adapter 100 to cause optical fiber signal interruption when an optical cable at the rear end of the plug body 210 is pulled is prevented.

When the connector 200 needs to be pulled out from the adapter 100, the outer sleeve 220 is pulled in a direction away from the adapter 100 to drive the locking slider 120 and the locking slot 211 to move away from each other, so as to unlock the connector 200 and the adapter 100. Because the outer sleeve 220 is sleeved on the plug body 210 and is in sliding connection with the plug body 210, when the plug body 210 is subjected to the pulling force of the optical cable, the outer sleeve 220 is not influenced by external force, the outer sleeve 220 cannot generate misoperation of unlocking, and the reliability of butt joint of the connector 200 and the adapter 100 is improved. The optical fiber connector structure is simplified, the number of parts is reduced, the product cost is reduced, and the connector locking structure is reliable and simple to operate.

In some alternative embodiments: referring to fig. 4, 5, 8 and 9, in an embodiment of the present application, an optical fiber connector assembly is provided, an outer sleeve 220 of the optical fiber connector assembly slides back and forth along an axial direction of a plug body 210, a guide groove 221 for driving a locking slider 120 and a locking groove 211 to approach each other and move away from each other is provided on the outer sleeve 220, a length direction of the guide groove 221 forms an included angle with the axial direction of the outer sleeve 220, so that when the outer sleeve 220 drives the guide groove 221 to move along the axial direction of the plug body 210, the locking slider 120 moves along a radial direction of the plug body 210 under the guiding action of the guide groove 221. The locking slider 120 is provided with a guide post 121 which is located in the guide groove 221 and is slidably connected with the guide groove 221, and the locking slider 120 is slidably connected with the guide groove 221 through the guide post 121.

In some alternative embodiments: referring to fig. 4, 5, 8-11, the present embodiment provides a fiber optic connector assembly having an outer sleeve 220 with two parallel and spaced apart insertion plates 222 symmetrically disposed at an end of the outer sleeve near the adapter housing 110. The guiding slots 221 are located on one side of the inserting plates 222 far away from the plug body 210, two guiding slots 221 are respectively arranged on the two inserting plates 222, and the two guiding slots 221 form a V-shaped slot. The "V" shaped groove formed by the two guiding grooves 221 is used to slidably connect the guiding posts 121 of the two locking sliders 120, so that the guiding posts 121 smoothly enter the guiding grooves 221 when the outer sleeve 220 slides on the plug body 210 and drive the two locking sliders 120 to slide in the directions of approaching to and separating from each other.

When the two locking sliders 120 slide in a direction approaching each other, the two locking sliders 120 are respectively connected to the card slot 211 to achieve the mutual locking of the connector 200 and the adapter 100. When the two locking sliders 120 slide in directions away from each other, the two locking sliders 120 are respectively disengaged from the card slot 211 to achieve mutual unlocking of the connector 200 and the adapter 100. The locking sliders 120 of the embodiment of the present application are preferably, but not limited to, two locking sliders 120 are symmetrical to each other and surround the outer peripheries of the plug body 210 and the insert plate 222, and the guide posts 121 are located at two ends of the locking sliders 120 and are respectively slidably connected with the guide grooves 221 of the two insert plates 222.

Two insertion plates 222 at the end of the outer sleeve 220 are respectively located at two sides of the plug body 210 and expose the locking slot 211 on the plug body 210, so that the locking slider 120 is conveniently clamped with the locking slot 211. The side walls of the plug body 210 are respectively provided with a sliding groove 213 which is slidably connected with the plug board 222, and the length direction of the sliding groove 213 is parallel to the axis of the plug body 210, so that the outer sleeve 220 slides on the plug body 210 along the length direction of the sliding groove 213 and the outer sleeve 220 is prevented from rotating on the plug body 210 in the circumferential direction.

The locking slider 120 is preferably, but not limited to, a "C" or "21274", and a stopping surface engaged with the slot 211 is disposed at an end of the locking slider 120 away from the outer sleeve 220, the stopping surface is parallel to a side wall of the slot 211, and the stopping surface is perpendicular to the axis of the plug body 210. The inner wall of the locking slider 120 is provided with a guiding slope 122, and the guiding slope 122 is slidably connected with the plug body 210 so that the locking slider 120 slides away from the locking slot 211. When the plug body 210 is inserted into the adapter housing 110, the end of the plug body 210 contacts the guide slope 122, and the locking slider 120 is pushed to slide toward the outside of the adapter housing 110 under the guiding action of the guide slope 122.

In some alternative embodiments: referring to fig. 2 to 4 and 10, the embodiment of the present application provides an optical fiber connector assembly, a spring 280 is disposed on a plug body of the optical fiber connector assembly and drives the outer sleeve 220 to slide toward the adapter housing 110, and the spring 280 is used for driving the outer sleeve 220 to slide toward the adapter housing 110, so as to always keep the locking slider 120 engaged with the slot 211. The plug body 210 is further provided with a sealing ring 290 which is hermetically connected with the outer sleeve 220. The plug body 210 is provided with a retainer ring 214 abutting against the spring 280 and an annular groove 212 for mounting a seal ring 290, and the seal ring 290 is sealed between the outer sleeve 220 and the plug body 210 to close a gap between the outer sleeve 220 and the plug body 210.

The outer sleeve 220 is sleeved with a pull ring 230, and the pull ring 230 is sleeved at the end of the outer sleeve 220 and is connected with the outer sleeve 220 in a snap-fit manner. A pull strip 240 for driving the outer sleeve 220 to slide away from the adaptor shell 110 is connected to the pull ring 230, and the pull strip 240 and the outer sleeve 220 are formed as an integral injection molding structure. When it is desired to remove the connector 200, the pull strip 240 is manually pulled to slide the outer sleeve 220 away from the dispenser housing 110 to effect the unlocking action.

In some alternative embodiments: referring to fig. 4, 12 and 13, the present application provides an optical fiber connector assembly, in which a plug 250 is snap-connected to a front end of a plug body 210, a ferrule boot 260 is snap-connected to a front end of the plug 250, and a first ferrule 270 is accommodated in the plug 250 and the ferrule boot 260. An end of the adapter housing 110 remote from the plug body 210 is snap-fit connected to an indoor connector housing 130, and a second ferrule 140 that mates with the first ferrule 270 is received within the indoor connector housing 130.

The indoor connector housing 130 has a pipe structure with an open side wall, and a ferrule accommodating chamber 131 for accommodating the second ferrule 140 is provided in the indoor connector housing 130. A ferrule holding ring 132 for holding the second ferrule 140 and a ferrule holding boss 133 for restricting circumferential rotation of the second ferrule 140 are provided in the ferrule receiving chamber 131. The ferrule retainer ring 132 is a "C" shaped structure to clamp and fix the second ferrule 140 in the ferrule receiving cavity 131, the ferrule retainer boss 133 is a cantilever structure and has a certain elastic deformation capability, and the ferrule retainer boss 133 is matched with a groove on the side of the second ferrule 140 to prevent the second ferrule 140 from rotating in the ferrule receiving cavity 131.

In some alternative embodiments: referring to fig. 5-7 and 11-14, embodiments of the present application provide a fiber optic connector assembly having an end of the adapter housing 110 distal from the plug body 210 provided with two snap holes 115 that snap connect the indoor connector housing 130. The end of the indoor connector housing 130 is provided with two elastic pieces 134 extending outside the adapter housing 110, and the elastic pieces 134 are provided with bosses 135 which are connected with the snap holes 115 in a snap-fit manner. The indoor connector housing 130 is inserted into the adapter housing 110 and then positioned and mounted by the snap-fit connection of the bosses 135 with the snap-fit holes 115.

Within the adapter housing 110 are provided an outdoor connector receiving cavity 112 that receives the plug 250, the ferrule boot 260, and the first ferrule 270, and an indoor connector receiving cavity 113 that receives the indoor connector housing 130 and the second ferrule 140. A ferrule receiving cavity 114 for receiving the ferrule 150 is provided between the outdoor connector receiving cavity 112 and the indoor connector receiving cavity 113, and the first ferrule 270 and the second ferrule 140 are mated in the ferrule 150.

The connector sheath 160 is a cylinder with one open end, an internal thread 161 connected with the outer sleeve 220 is arranged in the open end of the connector sheath 160, and an external thread 223 in threaded connection with the connector sheath 160 is arranged on the outer sleeve 220. After the connector 200 is pulled out of the adapter 100, the connector boot 160 is used to fit over the connector 200 to protect the plug 250, the ferrule boot 260, and the first ferrule 270 of the connector 200. A threading hole 162 is formed at the end of the connector sheath 160, and the threading hole 162 is used to connect with the connector 200 through the connection string to prevent the connector sheath 160 from being lost.

Principle of operation

The embodiment of the application provides an optical fiber connector assembly, because the optical fiber connector assembly of the application is provided with an adapter 100, the adapter 100 comprises an adapter shell 110 in a pipe body structure, a guide hole 111 is radially formed in the side wall of the adapter shell 110, and a locking slider 120 which is slidably connected with the adapter shell 110 along the radial direction is arranged in the guide hole 111; the connector 200 comprises a plug body 210 inserted into the adapter housing 110, a slot 211 adapted to the locking slider 120 is provided on a sidewall of the plug body 210, and an outer sleeve 220 for driving the locking slider 120 and the slot 211 to approach each other and to move away from each other is sleeved on the plug body 210.

Therefore, the optical fiber connector assembly of the present application has a guide hole 111 radially formed on the sidewall of the adapter housing 110, and a locking slider 120 slidably connected to the adapter housing 110 along the radial direction is disposed in the guide hole 111. The side wall of the plug body 210 is provided with a clamping groove 211 matched with the locking slider 120, when the connector 200 is butted with the adapter 100, the plug body 210 is inserted into the adapter shell 110, and the locking slider 120 is clamped with the clamping groove 211 on the plug body 210 to limit the plug body 210 from being separated from the adapter shell 110, so that the reliability of connection between the connector 200 and the adapter 100 is improved. When the connector 200 is pulled out from the adapter 100, the outer sleeve 220 is pulled to drive the locking slider 120 and the locking slot 211 to move away from each other, so that the unlocking action of the connector 200 and the adapter 100 is realized. The optical fiber connector structure is simplified, the number of parts is reduced, the product cost is reduced, and the connector locking structure is reliable and simple to operate.

In the description of the present application, it should be noted that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience in describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present application. Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

It is noted that, in the present application, relational terms such as "first" and "second", and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrases "comprising one of 8230; \8230;" 8230; "does not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises the element.

The above description is merely exemplary of the present application and is presented to enable those skilled in the art to understand and practice the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. A fiber optic connector assembly, comprising:

the adapter (100) comprises an adapter shell (110) in a pipe body structure, a guide hole (111) is formed in the side wall of the adapter shell (110) in the radial direction, and a locking sliding block (120) which is connected with the adapter shell (110) in a sliding mode in the radial direction is arranged in the guide hole (111);

connector (200), connector (200) is including inserting plug body (210) in adapter shell (110), be equipped with on the lateral wall of plug body (210) draw-in groove (211) with locking slider (120) adaptation, the cover is equipped with outer tube (220) that drive locking slider (120) and draw-in groove (211) are close each other and keep away from each other on plug body (210).

2. A fiber optic connector assembly as claimed in claim 1, wherein:

the plug comprises an outer sleeve (220) and a locking slide block (120), wherein the outer sleeve (220) slides back and forth along the axial direction of a plug body (210), a guide groove (221) which drives the locking slide block (120) and a clamping groove (211) to be close to each other and far away from each other is arranged on the outer sleeve (220), and a guide column (121) which is positioned in the guide groove (221) and is in sliding connection with the guide groove (221) is arranged on the locking slide block (120).

3. A fiber optic connector assembly as claimed in claim 2, wherein:

two plug boards (222) which are parallel to each other and arranged at intervals are symmetrically arranged at one end of the outer sleeve (220), the guide grooves (221) are positioned at one sides of the plug boards (222) far away from the plug body (210), two guide grooves (221) are respectively arranged on the two plug boards (222), and the two guide grooves (221) form a V-shaped groove;

the locking sliding blocks (120) are arranged in two numbers, the two locking sliding blocks (120) are mutually symmetrical and surround the periphery of the plug body (210) and the plug board (222), and the guide posts (121) are located at two ends of the locking sliding blocks (120) and are respectively in sliding connection with the guide grooves (221) in the two plug boards (222).

4. A fiber optic connector assembly as claimed in any one of claims 1 to 3, wherein:

the locking sliding block (120) is of a C-shaped or a < 21274 > -shaped structure, one end, far away from the outer sleeve (220), of the locking sliding block (120) is provided with a stopping surface matched with the clamping groove (211), and the stopping surface is parallel to the side wall of the clamping groove (211);

the inner wall of the locking sliding block (120) is provided with a guide slope surface (122), and the guide slope surface (122) is connected with the plug body (210) in a sliding manner so that the locking sliding block (120) slides towards the direction far away from the clamping groove (211).

5. A fiber optic connector assembly as claimed in claim 1, wherein:

the plug body (210) is provided with a spring (280) for driving the outer sleeve (220) to slide towards the direction of the adapter shell (110), and the plug body (210) is also provided with a sealing ring (290) which is connected with the outer sleeve (220) in a sealing way;

a pull ring (230) is sleeved on the outer sleeve (220), and a pull belt (240) for driving the outer sleeve (220) to slide away from the direction of the adapter shell (110) is connected to the pull ring (230).

6. A fiber optic connector assembly as claimed in claim 1, wherein:

the front end of the plug body (210) is connected with a plug (250) in a buckling mode, the front end of the plug (250) is connected with a ferrule sheath (260) in a buckling mode, and a first ceramic ferrule (270) is accommodated in the plug (250) and the ferrule sheath (260);

one end of the adapter shell (110) far away from the plug body (210) is connected with an indoor connector shell (130) in a snap-fit mode, and a second ceramic ferrule (140) butted with the first ceramic ferrule (270) is accommodated in the indoor connector shell (130).

7. A fiber optic connector assembly as claimed in claim 6, wherein:

the indoor connector shell (130) is of a pipe body structure with an opening on the side wall, and a plug core accommodating cavity (131) for accommodating a second ceramic plug core (140) is arranged in the indoor connector shell (130);

the ferrule accommodating cavity (131) is internally provided with a ferrule limit ring (132) for clamping the second ceramic ferrule (140) and a ferrule limit boss (133) for limiting the circumferential rotation of the second ceramic ferrule (140).

8. An optical fiber connector assembly as claimed in claim 6 or 7, wherein:

one end of the adapter shell (110) far away from the plug body (210) is provided with a clamping hole (115) for clamping and connecting the indoor connector shell (130);

the tail end of the indoor connector shell (130) is provided with an elastic sheet (134) extending out of the adapter shell (110), and a boss (135) connected with the clamping hole (115) in a buckling mode is arranged on the elastic sheet (134).

9. A fiber optic connector assembly as claimed in claim 6, wherein:

an outdoor connector accommodating cavity (112) for accommodating a plug (250), a ferrule sheath (260) and a first ceramic ferrule (270) and an indoor connector accommodating cavity (113) for accommodating an indoor connector housing (130) and a second ceramic ferrule (140) are arranged in the adapter housing (110);

a ceramic sleeve containing cavity (114) for containing a ceramic sleeve (150) is arranged between the outdoor connector containing cavity (112) and the indoor connector containing cavity (113), and the first ceramic ferrule (270) and the second ceramic ferrule (140) are butted in the ceramic sleeve (150).

10. A fiber optic connector assembly as claimed in claim 1, wherein:

still include connector sheath (160), connector sheath (160) are the open barrel of one end, be equipped with internal thread (161) of connecting outer tube (220) in connector sheath (160), be equipped with on outer tube (220) with connector sheath (160) threaded connection's external screw thread (223).

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