CN217034320U - Optical fiber connector - Google Patents

Abstract

The utility model relates to an optical fiber connector, comprising: the connector comprises a connector body, a connecting piece and a connecting piece, wherein an optical cable is fixedly arranged in the connector body, the connector body is provided with a common installation part, and a connecting rope is arranged on the connector body; at least two adaptor, all the adaptor all with it is connected to connect the rope, each the adaptor has and is used for installing extremely the switching installation department of public installation department, and each the adaptor has and is used for the butt joint portion with the adapter complex, wherein, at least two the cross sectional shape of the butt joint portion of adaptor is different. According to the optical fiber connector, different butting parts are arranged on different adapters and can be in matched butting with different adapters, so that the compatibility of a preformed end optical cable with different adapter types can be realized, the cost of field investigation, material management and the like in the previous period is reduced, and meanwhile, the adapter and the connector body are integrally designed through the connecting rope, and the construction efficiency is improved.

Description

Optical fiber connector

Technical Field

The utility model relates to the technical field of optical fiber communication, in particular to an optical fiber connector.

Background

With the development of optical fiber connectors, more and more enterprises have formulated their own interface standards for outdoor waterproof optical fiber connection assemblies.

In the related art, when laying a pre-finished end ODN network, a network builder usually deploys a pre-finished end box (tape adapter) in advance, and purchases a pre-finished end optical cable (tape connector) gradually for opening along with the opening of a user at a later stage. However, because the interface standards of each manufacturer are different, before purchasing the optical cable (with connector), the network constructor needs to go to the field to investigate the type of the adapter on the laid box body in advance, determine the interface type of the connector according to the investigation condition, and then purchase and open the optical cable. This mode causes a great waste of manpower and cost for the network constructor and causes difficulties in material management.

Therefore, there is a need for a new optical fiber connector to overcome the above problems.

SUMMERY OF THE UTILITY MODEL

The embodiment of the utility model provides an optical fiber connector, which aims to solve the problems that in the related art, due to different interfaces, great labor and cost waste is brought to network builders, and material management is difficult.

In a first aspect, there is provided an optical fiber connector comprising: the connector comprises a connector body, a connecting piece and a connecting piece, wherein an optical cable is fixedly arranged in the connector body, the connector body is provided with a common installation part, and a connecting rope is arranged on the connector body; at least two adaptor, all the adaptor all with it connects to be restricted, each the adaptor has and is used for installing extremely the switching installation department of public installation department, and each the adaptor has and is used for with adapter complex butt joint portion, wherein, at least two the cross sectional shape of the butt joint portion of adaptor is different.

In some embodiments, the common mounting portion is an external thread disposed on the exterior of the connector body, and the adaptor mounting portion is an internal thread disposed on the interior of the adaptor.

In some embodiments, the connector body comprises a plug; the optical fiber of the optical cable is fixedly arranged in the plug, the public installation part is sleeved outside the plug, the plug is further sleeved with a public dustproof cap matched with the public installation part, and a waterproof gasket is arranged between the public dustproof cap and the plug.

In some embodiments, the at least two adapters include a first adapter, the first adapter includes a first liner, one end of the first liner is provided with the adapter mounting portion, the other end of the first liner is provided with the butt joint portion, and the cross section of the butt joint portion is C-shaped.

In some embodiments, the first adapter further comprises: the first shell is sleeved outside the first lining, a first convex point is arranged on one side, close to the butt joint part, in the first shell, and a first sealing ring is arranged between the first shell and the first lining; the first traction cap is provided with a first groove matched with the first salient point, the first traction cap is connected with the connecting rope, and a second sealing ring is arranged between the first traction cap and the first shell; the first dustproof cap is installed at one end, far away from the first traction cap, of the first lining, and the first dustproof cap is matched with the switching installation part.

In some embodiments, the at least two adapters comprise a second adapter comprising: the butt joint part is arranged at one end of the second lining, the cross section of the butt joint part comprises an arc-shaped section and at least two straight line sections, and the at least two straight line sections are positioned on the same side of the arc-shaped section; and the second shell is sleeved outside the second lining, and the switching installation part is arranged at one end of the second shell, which is far away from the butt joint part.

In some embodiments, a second convex point is arranged on one side of the outer side of the second outer shell, which is close to the butt joint part, and a third sealing ring is arranged between the second outer shell and the second inner liner; the second adaptor further comprises: the second traction cap is provided with a second groove matched with the second convex point, and the second traction cap is connected with the connecting rope; and the second dustproof cap is arranged at one end, far away from the second traction cap, of the second shell, and is matched with the switching installation part.

In some embodiments, the at least two adapters include a third adapter comprising: the butt joint part is arranged at one end of the third lining, the cross section of the butt joint part is D-shaped, and the switching installation part is arranged at the other end of the third lining; the third shell is sleeved outside the third lining, and a threaded connecting part is arranged on one side, close to the butt joint part, of the third shell; and the third traction cap is in threaded connection with the threaded connection part, and the third traction cap is connected with the connection rope.

In some embodiments, the at least two adapters include a fourth adapter comprising: the switching installation part is arranged at one end of the fourth lining, the butt joint part is arranged at the other end of the fourth lining, the cross section of the butt joint part comprises at least two arc sections and at least two straight sections, and the straight sections and the arc sections are arranged in a staggered mode; and the fourth shell is sleeved outside the fourth lining, and a fourth sealing ring is arranged between the fourth shell and the fourth lining.

In some embodiments, the fourth liner is provided with a third groove; the fourth adaptor further comprises: a fourth traction cap provided with a hook matched with the third groove, the fourth traction cap is connected with the connecting rope, and a fifth sealing ring is arranged between the fourth traction cap and the fourth shell; and the fourth dustproof cap is arranged at one end, far away from the fourth traction cap, of the fourth lining, and the fourth dustproof cap is matched with the switching installation part.

The technical scheme provided by the utility model has the beneficial effects that:

the embodiment of the utility model provides an optical fiber connector, wherein a connecting rope is arranged on a connector main body and is connected with at least two different adapters, the different adapters can be installed on a common installation part through adapter installation parts, and different butt joint parts are arranged on the different adapters and can be in matched butt joint with the different adapters, so that a preformed end optical cable can be compatible with different adapter types, the cost of field investigation, material management and the like in the previous stage is reduced, meanwhile, the adapters and the connector main body are integrally designed through the connecting rope, and the construction efficiency is improved.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, 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 optical fiber connector according to an embodiment of the present invention, wherein the optical fiber connector includes two adapters;

fig. 2 is a schematic structural diagram of an optical fiber connector according to an embodiment of the present invention, wherein the optical fiber connector has three adapters;

fig. 3 is a schematic structural diagram of an optical fiber connector according to an embodiment of the present invention, wherein the optical fiber connector includes four adapters;

fig. 4 is a schematic structural diagram of an optical fiber connector having an adapter according to an embodiment of the present invention;

FIG. 5 is a schematic view of a connector body according to an embodiment of the present invention;

FIG. 6 is an exploded view of the connector body of FIG. 5;

FIG. 7 is a schematic structural diagram of a butterfly cable as the connector body according to the embodiment of the present invention;

FIG. 8 is an exploded view of the connector body of FIG. 7;

FIG. 9 is an exploded view of an optical fiber connector according to an embodiment of the present invention;

FIG. 10 is a schematic structural diagram of a first adapter according to an embodiment of the present invention;

FIG. 11 is an exploded view of a first adapter according to an embodiment of the present invention;

FIG. 12 is a cross-sectional structural view of a first adapter according to an embodiment of the present invention;

fig. 13 is a schematic structural diagram of a second adaptor according to an embodiment of the present invention;

fig. 14 is an exploded schematic view of a second adaptor according to an embodiment of the present invention;

fig. 15 is a schematic cross-sectional structural view of a second adapter according to an embodiment of the present invention;

fig. 16 is a schematic structural diagram of a third adaptor according to an embodiment of the present invention;

fig. 17 is an exploded view of a third adapter according to an embodiment of the present invention;

fig. 18 is a schematic cross-sectional view of a third adapter according to an embodiment of the present invention;

fig. 19 is a schematic structural diagram of a fourth adapter according to an embodiment of the present invention;

fig. 20 is an exploded schematic view of a fourth adaptor according to an embodiment of the present invention;

fig. 21 is a schematic cross-sectional structural view of a fourth adapter according to an embodiment of the present invention.

In the figure:

1. a connector body; 11. a common mounting portion; 12. connecting ropes;

13. a plug; 131. inserting a core; 132. a spring; 133. a front sleeve; 134. a rear sleeve; 135. an aluminum cup; 136. a heat shrink tube;

14. a waterproof gasket; 15. a tail sheath; 16. a fifth dust cap; 17. an optical cable; 18. a clamping body; 19. a common dust cap;

2. an adapter; 21. a transfer mounting part; 22. a docking portion;

23. a first transfer member; 231. a first liner; 232. a first housing; 233. a first seal ring; 234. a first seal groove; 235. a first traction cap; 236. a second seal ring; 237. a second seal groove; 238. a first dust cap;

24. a second adaptor; 241. a second liner; 242. a second housing; 243. a second bump; 244. a third seal ring; 245. a third seal groove; 246. a second traction cap; 247. a second dust cap;

25. a third adapter; 251. a third liner; 252. a sixth seal groove; 253. a sixth seal ring; 254. a third housing; 255. a third traction cap; 256. a third dust cap;

26. a fourth adaptor; 261. a fourth liner; 262. a fourth housing; 2621. an elastic member; 2622. A latch bolt; 263. a fourth seal ring; 264. a fourth seal groove; 265. pulling a rope; 266. a fourth traction cap; 267. a fifth seal ring; 268. and a fourth dust-proof cap.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

The embodiment of the utility model provides an optical fiber connector, which can solve the problems that in the related art, due to different interfaces, great labor and cost waste is brought to network builders, and material management is difficult.

Referring to fig. 1 to 4, an optical fiber connector provided for an embodiment of the present invention may include: the connector comprises a connector body 1, wherein an optical cable 17 is fixedly arranged inside the connector body 1, wherein the optical cable 17 can be a round optical cable 17 or a butterfly-shaped optical cable 17; the connector main body 1 is provided with a common installation part 11, and the connector main body 1 is provided with a connecting rope 12, wherein the connecting rope 12 can be sleeved on the connector main body 1, so that one end of the connecting rope 12 is connected with the connector main body 1; at least two adapters 2, all of said adapters 2 being connected to said connecting cord 12, wherein, each adapter 2 can be correspondingly connected with the connector body 1 through a connecting rope 12, so that each adaptor 2 is independent of the other, each of the adaptors 2 may have an adaptor mounting portion 21 for mounting to the common mounting portion 11, that is, the configuration of the adaptor mounting portion 21 on each adaptor 2 may be substantially the same, so that the adapter mounting parts 21 of any one adapter 2 can be mounted on the same common mounting part 11, the common mounting part 11 is shared, and each of said adaptors 2 may have an abutment 22 for mating with an adaptor, such that when any one of said adaptors 2 is mounted to the connector body 1, the butt joint part 22 of the corresponding adapter piece 2 can be butt-jointed and positioned with the corresponding adapter; the cross-sectional shapes of the abutting parts 22 of at least two adapters 2 are different, that is, the structures of the abutting parts 22 of at least two adapters 2 can be different, so that the abutting parts 22 with different structures can be respectively matched with adapters of different types.

In this embodiment, since the connecting rope 12 is disposed on the connector body 1, and one end of the connecting rope 12 away from the connector body 1 can be connected to at least two different adapters 2, different adapters 2 can be mounted on the common mounting portion 11 of the connector body 1 through the same adapter mounting portion 21 to share the common mounting portion 11, and different docking portions 22 can be disposed on different adapters 2, wherein the structural shape of the docking portion 22 can be designed according to different adapters, so that different docking portions 22 can be docked with different adapters, when the connector is docked with an adapter on site, different adapters 2 can be selected according to different adapter types, and the preformed end optical cable 17 can be compatible with different adapter types by replacing the switching component on site, thereby reduce cost such as the on-the-spot investigation of earlier stage, material management, simultaneously, adaptor 2 realizes the integrated design through connecting rope 12 and connector main part 1, portable improves the efficiency of construction.

In some embodiments, referring to fig. 5 and 6, the connector body 1 may include a plug 13, wherein the plug 13 has a cavity therein, the cavity may accommodate the optical fiber of the optical cable 17, the cavity may further have a ferrule 131 and a spring 132, the common mounting portion 11 is sleeved outside the plug 13, that is, the common mounting portion 11 and the plug 13 may be separately arranged, the plug 13 may further be sleeved with a common dust cap 19 engaged with the common mounting portion 11, the common dust cap 19 may be screwed with the common mounting portion 11 or may be connected by a snap fit or the like, and a waterproof gasket 14 is disposed between the common dust cap 19 and the plug 13, so that the connector has a waterproof function.

Further, as shown in fig. 5 and 6, when the optical cable 17 is a round cable, a front sleeve 133 may be further disposed in the cavity, a rear sleeve 134 may be further connected to the rear end of the plug 13, a front portion of the rear sleeve 134 may be rotatably inserted into the cavity of the plug 13 to be in threaded connection with the plug 13, the rear sleeve 134 may fix the ferrule 131, the spring 132, and the front sleeve 133 in the cavity, an aluminum cup 135 may be disposed outside the round cable and the rear sleeve 134, the round cable and the rear sleeve 134 are stably connected by pressure welding of the aluminum cup 135, the aluminum cup 135 may function to fix the round cable and the rear sleeve 134, a heat shrinkable tube 136 may be sleeved outside the aluminum cup 135 and the round cable, the heat shrinkable tube 136 is bonded to the aluminum cup 135 and the round cable to function to seal, the rear portion of the plug 13 may be sleeved with the common mounting portion 11 and the tail sheath 15, the tail sheath 15 may clamp the common mounting portion 11 between the plug 13 and the tail sheath 15, and the common mounting part 11 can rotate freely around the axis of the plug 13 outside the plug 13, the front end of the plug 13 can be inserted with a fifth dust cap 16, and the fifth dust cap 16 is inserted in the insertion core 131 to play a role of protection.

Referring to fig. 7 and 8, when the optical cable 17 is a butterfly cable, a clamping body 18 may be further disposed in the cavity, the butterfly cable is adhered in the clamping body 18, the clamping body 18 is rotated, a protruding portion on the clamping body 18 may be inserted into a window of the plug 13, so as to fix the clamping body 18 and the plug 13, a front end of the plug 13 may be further provided with a front sleeve 133, and after the ferrule 131 and the spring 132 are placed in the cavity at the front end of the plug 13, the front sleeve 133 is pressed after the glue is cured, so that the front sleeve 133 and the plug 13 are fixed; the heat shrink tube 136 can be sleeved outside the clamping body 18 and the butterfly cable, the heat shrink tube 136 is bonded with the clamping body 18 and the butterfly cable after being shrunk, a sealing effect is achieved, the rear portion of the plug 13 can be sleeved with the public installation portion 11 and the tail sheath 15, the tail sheath 15 clamps the public installation portion 11 between the plug 13 and the tail sheath 15, the public installation portion 11 can rotate around the axis of the plug 13 outside the plug 13 at will, the fifth dust cap 16 can be inserted into the front end of the plug 13, the fifth dust cap 16 is inserted into the insertion core 131, and a protection effect is achieved.

In some optional embodiments, referring to fig. 9, the common mounting portion 11 is an external thread disposed outside the connector main body 1, where the external thread may be directly disposed on the plug 13 or the tail sheath 15, or may be disposed separately from the plug 13 and the tail sheath 15, and the adaptor mounting portion 21 is an internal thread disposed inside the adaptor 2, and by providing the internal thread and the external thread, the adaptor 2 and the connector main body 1 can be screwed, so that the connection is firmer, and can be detached. Of course, in other embodiments, the common mounting portion 11 may also be an elastic arm or a snap, so that the common mounting portion 11 and the adaptor mounting portion 21 are in a snap connection.

Referring to fig. 10 to 12, in some embodiments, the at least two adapters 2 may include a first adapter 23, that is, at least one of the adapters 2 connected to the connector body 1 is the first adapter 23, where the first adapter 23 may include a first liner 231, one end of the first liner 231 is provided with the adapter mounting portion 21, the other end of the first liner 231 is provided with the abutment portion 22, the abutment portion 22 may be C-shaped in cross section, and both the abutment portion 22 and the adapter mounting portion 21 may be integrally formed with the first liner 231, and by providing the C-shaped abutment portion 22, when the first adapter 23 is mounted to the connector body 1, the connector body 1 may be capable of being abutted with an adapter having a C-shaped socket. Of course, in addition to the first adapter 23, the connector body 1 may be connected to another type of adapter 2 having the same or different interface portion 22 as the first adapter 23, such as a second adapter 24, a third adapter 25, or a fourth adapter 26.

On the basis of the above technical solution, the first adapter 23 may further include: a first outer shell 232 sleeved outside the first inner liner 231, wherein a first protruding point is arranged at one side of the first outer shell 232 close to the abutting portion 22, and a first sealing ring 233 is arranged between the first outer shell 232 and the first inner liner 231, wherein a first sealing groove 234 is arranged on the first inner liner 231, and the first sealing ring 233 is accommodated in the first sealing groove 234, so that the first sealing ring 233 is clamped between the first inner liner 231 and the first outer shell 232; the first traction cap 235 is provided with a first groove matched with the first salient point, the first traction cap 235 is rotated to enable the first salient point to enter the first groove, so that the first traction cap 235 and the first shell 232 are locked, the first traction cap 235 can be connected with the connecting rope 12, a second sealing ring 236 is arranged between the first traction cap 235 and the first shell 232, namely a second sealing groove 237 is formed in the first traction cap 235, and the second sealing ring 236 is installed in the second sealing groove 237; and a first dustproof cap 238, it can install in first inside lining 231 keeps away from the first one end of pulling cap 235, just first dustproof cap 238 with the cooperation of switching installation department 21, promptly, when switching installation department 21 is the internal thread, first dustproof cap 238 is equipped with the external screw thread for first dustproof cap 238 and switching installation department 21 threaded connection have realized the sharing at connection position, realize simultaneously that the independence of adaptor 2 is dustproof and pull, and set up first sealing washer 233 and second sealing washer 236 and guaranteed outdoor water-proof effects.

Referring to fig. 13-15, in some embodiments, the at least two adaptors 2 may include a second adaptor 24, and the second adaptor 24 may include: the butt joint part 22 is arranged at one end of the second liner 241, the cross section of the butt joint part 22 includes an arc-shaped section and at least two straight line sections, the at least two straight line sections are located on the same side of the arc-shaped section, that is, the structural shape of the butt joint part 22 is that two parts are cut off on the same side to form two planes, and a sharp corner is formed between the two planes, so that the butt joint part 22 of the second adaptor 24 is matched with the shape of the slot of the adaptor, and when the second adaptor 24 is installed on the connector body 1, the connector body 1 can be matched and butted with the slot of the adaptor; and the second shell 242 is sleeved outside the second liner 241, one end of the second shell 242, which is far away from the butt joint portion 22, is provided with the adapter installation portion 21, and the butt joint portion 22 with a special cross-sectional shape is arranged, so that when the second adapter 24 is installed on the connector body 1, the connector body 1 can be butted with an adapter matched with the shape of the slot. Of course, in addition to the second adapter 24, the connector body 1 may be connected to other types of adapters 2, such as a first adapter 23, a third adapter 25, or a fourth adapter 26, etc., having the same or different mating portions 22 as the second adapter 24.

On the basis of the above technical solution, referring to fig. 13 to 14, a second salient point 243 is disposed on a side of the second outer shell 242 close to the abutting portion 22, that is, the second salient point 243 is preferably disposed on an outer portion of the second outer shell 242, and a third sealing ring 244 is disposed between the second outer shell 242 and the second inner liner 241, wherein the second inner liner 241 is provided with a third sealing groove 245, the third sealing ring 244 is accommodated in the third sealing groove 245, and the third sealing ring 244 is sandwiched between the second inner liner 241 and the second outer shell 242, so as to realize the sealing between the second inner liner 241 and the second outer shell 242, the second adaptor 24 may further include: a second pulling cap 246 having a second groove matching with the second protruding point 243, and rotating the second pulling cap 246 can lock the second pulling cap 246 and the second shell 242 by matching the second protruding point 243 with the second groove, and the second pulling cap 246 is connected with the connecting rope 12; and the second dustproof cap 247, it can install in the second shell 242 is kept away from the second draws the one end of cap 246, just the second dustproof cap 247 with the cooperation of switching installation department 21, also be when switching installation department 21 is the internal thread, the second dustproof cap 247 is equipped with the external screw thread for the second dustproof cap 247 and switching installation department 21 threaded connection have realized the sharing of joint, realize simultaneously that the independence of adaptor 2 is dustproof and draw.

In some alternative embodiments, referring to fig. 16 to 18, the at least two adaptors 2 may comprise a third adaptor 25, and the third adaptor 25 may comprise: the butt joint part 22 is arranged at one end of the third inner liner 251, the cross section of the butt joint part 22 is D-shaped, the adaptor mounting part 21 is arranged at the other end of the third inner liner 251, the third inner liner 251 is further provided with a sixth sealing groove 252, and a sixth sealing ring 253 is accommodated in the sixth sealing groove 252; a third shell 254 sleeved outside the third liner 251, wherein a threaded connection portion is arranged on one side of the third shell 254 close to the abutting portion 22; and a third pulling cap 255 threadedly coupled to the threaded connection portion, wherein the sixth sealing ring 253 is interposed between the third pulling cap 255 and the third liner 251, the third pulling cap 255 may be coupled to the connection cord 12, and the third pulling cap 255 may be detachably coupled to the third liner 251 by providing a third housing 254 having threads. Further, a third dust cap 256 may be connected to the third liner 251 at the adaptor mounting portion 21. Of course, in addition to the third adapter 25, the connector body 1 may be connected to other types of adapters 2, such as a first adapter 23, a second adapter 24, or a fourth adapter 2, etc., having the same or different mating portions 22 as the third adapter 25.

In some embodiments, referring to fig. 19-21, the at least two adaptors 2 may comprise a fourth adaptor 26, wherein the fourth adaptor 26 comprises: the adaptor mounting part 21 is arranged at one end of the fourth lining 261, the butt joint part 22 is arranged at the other end of the fourth lining 261, the cross section of the butt joint part 22 comprises at least two arc-shaped sections and at least two straight sections, the straight sections and the arc-shaped sections are arranged in a staggered mode, namely, the structural shape of the butt joint part 22 is that two parts are cut off on two opposite sides on the basis of a cylinder to form two planes, and an arc-shaped part is arranged between the two planes to form the straight sections and the arc-shaped sections which are arranged in a staggered mode, so that the butt joint part 22 of the second adaptor 24 is matched with the shape of the slot of the adaptor, and when the second adaptor 24 is mounted on the connector main body 1, the connector main body 1 can be matched and butted with the slot of the adaptor; and a fourth outer shell 262 sleeved outside the fourth inner liner 261, and a fourth sealing ring 263 is disposed between the fourth outer shell 262 and the fourth inner liner 261, wherein a fourth sealing groove 264 is disposed on a surface of the fourth inner liner 261, and the fourth sealing ring 263 is accommodated in the fourth sealing groove 264. Of course, in addition to the fourth adapter 26, the connector body 1 may be connected to another type of adapter 2 having the same or different interface portion 22 as the fourth adapter 26, such as the first adapter 23, the third adapter 25, or the second adapter 24.

Further, as shown in fig. 20, a pull rope 265 is sleeved at the rear end of the fourth outer shell 262, an elastic member 2621 and a locking tongue 2622 are sleeved on the outer surface of the fourth inner liner 261, the fourth inner liner 261 can be pressed into the inner cavity of the fourth outer shell 262 through the elastic member 2621 and the locking tongue 2622, and the fourth inner liner 261 can be provided with a third groove; the fourth adaptor 26 may further include: a fourth traction cap 266 provided with a hook matched with the third groove, wherein the fourth traction cap 266 is locked with the third groove through the hook, the fourth traction cap 266 is connected with the connecting rope 12, and a fifth sealing ring 267 is arranged between the fourth traction cap 266 and the fourth casing 262; and a fourth dust cap 268 mounted to an end of the fourth liner 261 remote from the fourth pulling cap 266, wherein the fourth dust cap 268 is engaged with the adaptor mounting portion 21.

The four kinds of the adapters 2, namely the first adapter 23, the second adapter 24, the third adapter 25 and the fourth adapter 26, can be combined and connected to the connector body 1 at will, and the four kinds of the adapters 2, the circular cable connector body 1 and the butterfly cable connector body 1 are designed in a modularized mode, so that the factory stock production is facilitated. Fig. 1 to 4 respectively show schematic diagrams of two adaptors 2, three adaptors 2, four adaptors 2 and one adaptor 2 connected to a connector body 1. According to the method and the device, the adapter 2 can be quickly replaced according to the interface type of the site, and the adapter can be matched with the adapter interface of the site. When the connector is assembled on site, the dust cap can be taken down, the connector body 1 is inserted into the adapter 2, the adapter 2 is connected with the connector body 1 by screwing the adapter mounting part 21, and a traction hole can be formed in the dust cap.

In the present application, the structures provided on the first adapter 23, the second adapter 24, the third adapter 25 and the fourth adapter 26 for locking with the pulling cap can be adapted to the locking structures on the corresponding adapters.

In the description of the present invention, 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 merely for convenience in describing the present invention 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 invention. 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 meanings of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

It is noted that, in the present invention, relational terms such as "first" and "second", and the like, may be 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 phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The foregoing are merely exemplary embodiments of the present invention, which enable those skilled in the art to understand or practice the present invention. 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 utility model. Thus, the present invention 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. An optical fiber connector, comprising:

the connector comprises a connector body (1), wherein an optical cable (17) is fixedly arranged in the connector body (1), the connector body (1) is provided with a public installation part (11), and a connecting rope (12) is arranged on the connector body (1);

at least two adaptors (2), all the adaptors (2) being connected with the connecting rope (12), each adaptor (2) having an adaptor mounting portion (21) for mounting to the common mounting portion (11), and each adaptor (2) having a docking portion (22) for mating with an adapter,

wherein the cross-sectional shapes of the abutment portions (22) of at least two of the adaptors (2) are different.

2. The fiber optic connector of claim 1, wherein:

public installation department (11) are for locating the outside external screw thread of connector main part (1), switching installation department (21) are for locating the inside internal thread of adaptor (2).

3. The optical fiber connector according to claim 1, wherein the connector body (1) comprises a plug (13);

optical fiber of optical cable (17) set firmly in plug (13), just public installation department (11) cover is located outside plug (13), plug (13) still outward the cover be equipped with public installation department (11) complex public dust cap (19), public dust cap (19) with be equipped with waterproof gasket (14) between plug (13).

4. The fiber optic connector of claim 1, wherein:

at least two adaptor (2) are including first adaptor (23), first adaptor (23) are including first inside lining (231), the one end of first inside lining (231) is equipped with switching installation department (21), the other end of first inside lining (231) is equipped with butt joint portion (22), the cross section of butt joint portion (22) is the C type.

5. The optical fiber connector according to claim 4, wherein the first transition piece (23) further comprises:

the first outer shell (232) is sleeved outside the first inner liner (231), a first salient point is arranged on one side, close to the butt joint part (22), in the first outer shell (232), and a first sealing ring (233) is arranged between the first outer shell (232) and the first inner liner (231);

a first traction cap (235) provided with a first groove matched with the first convex point, wherein the first traction cap (235) is connected with the connecting rope (12), and a second sealing ring (236) is arranged between the first traction cap (235) and the first shell (232);

a first dust cap (238) mounted to an end of the first liner (231) distal from the first pulling cap (235), the first dust cap (238) mating with the adaptor mounting (21).

6. The fiber optic connector of claim 1, wherein the at least two adapters (2) comprise a second adapter (24), the second adapter (24) comprising:

the butt joint part (22) is arranged at one end of the second lining (241), the cross section of the butt joint part (22) comprises an arc-shaped section and at least two straight sections, and the at least two straight sections are located on the same side of the arc-shaped section;

and the second shell (242) is sleeved outside the second lining (241), and one end, far away from the butt joint part (22), of the second shell (242) is provided with the switching installation part (21).

7. The fiber optic connector of claim 6, wherein a second boss (243) is provided on a side of the second outer shell (242) adjacent to the mating portion (22), and a third sealing ring (244) is provided between the second outer shell (242) and the second inner liner (241);

the second adaptor (24) further comprises:

a second drawing cap (246) provided with a second groove matched with the second salient point (243), wherein the second drawing cap (246) is connected with the connecting rope (12);

and the second dustproof cap (247) is installed at one end, far away from the second traction cap (246), of the second shell (242), and the second dustproof cap (247) is matched with the switching installation part (21).

8. The fiber optic connector of claim 1, wherein the at least two adapters (2) include a third adapter (25), the third adapter (25) comprising:

the butt joint part (22) is arranged at one end of the third liner (251), the cross section of the butt joint part (22) is D-shaped, and the switching installation part (21) is arranged at the other end of the third liner (251);

a third shell (254) sleeved outside the third liner (251), wherein a threaded connection part is arranged on one side, close to the butt joint part (22), of the third shell (254);

and a third traction cap (255) in threaded connection with the threaded connection part, wherein the third traction cap (255) is connected with the connecting rope (12), and a sixth sealing ring (253) is arranged between the third traction cap (255) and the third inner liner (251).

9. The optical fiber connector according to claim 1, wherein the at least two adapters (2) comprise a fourth adapter (26), the fourth adapter (26) comprising:

the adapter mounting part (21) is arranged at one end of the fourth lining (261), the butt joint part (22) is arranged at the other end of the fourth lining (261), the cross section of the butt joint part (22) comprises at least two arc-shaped sections and at least two straight line sections, and the straight line sections and the arc-shaped sections are arranged in a staggered mode;

and a fourth shell (262) which is sleeved outside the fourth inner liner (261), and a fourth sealing ring (263) is arranged between the fourth shell (262) and the fourth inner liner (261).

10. The fiber optic connector of claim 9, wherein the fourth inner liner (261) is provided with a third groove;

the fourth adaptor (26) further comprises:

a fourth traction cap (266) provided with a hook matched with the third groove, wherein the fourth traction cap (266) is connected with the connecting rope (12), and a fifth sealing ring (267) is arranged between the fourth traction cap (266) and the fourth shell (262);

a fourth dust cap (268) mounted to an end of the fourth liner (261) distal from the fourth pulling cap (266), and the fourth dust cap (268) mates with the adaptor mounting portion (21).

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