CN217467256U - Adapter, connector and connector assembly - Google Patents

Abstract

The utility model relates to an adapter, connector and connector assembly, it includes: the clamping body is provided with a first butt joint part and a second butt joint part, and the first butt joint part and the second butt joint part are respectively positioned at two opposite ends of the clamping body; a first lining is fixedly arranged in the first butt joint part, the first lining is provided with a first splicing cavity, a second splicing cavity is arranged in the second butt joint part, and the second butt joint part is provided with a locking buckle; at least two ceramic sleeves clamped between the first lining and the clamping body side by side, wherein the ceramic sleeves are communicated with the first splicing cavity and the second splicing cavity. The utility model relates to an adapter, connector and connector assembly can realize plug-in locking with the locking recess of connector, and is more convenient than the operation of twisting the formula soon, and two optic fibre that can peg graft of two ceramic sleeves, realizes the twin-core scheme, satisfies customer's cover demand.

Description

Adapter, connector and connector assembly

Technical Field

The utility model relates to the field of communication technology, in particular to adapter, connector and connector assembly.

Background

With the development of the fifth generation mobile network, a large number of electronic devices such as Access Point (AP) devices and webcams are widely used, optical fibers are more and more widely used, and connectors and adapters are used as connecting components, so that convenience in operation is more and more emphasized.

In the related art, most of the locking methods adopted by the optical fiber connectors and adapters with waterproof performance on the market are screw-type locking methods, and due to the characteristics of the screw-type locking methods, finger operating spaces need to be reserved around the connectors and the adapters, so that the operation is very difficult under the condition of limited installation space, particularly under the condition of high density requirement.

And when the number of the covered users required by the customer is larger than the covering range of the single-core pre-connection but smaller than the MPO covering range of more than 4 cores, a gap exists between the MPO scheme and the single-core scheme.

Therefore, there is a need for a new adapter, connector and connector assembly to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An embodiment of the utility model provides an adapter, connector and connector assembly to solve among the correlation technique and revolve the formula locking mode under limited installation space, especially under the higher condition of density requirement, operate very difficult problem.

In a first aspect, an adapter is provided, which includes: the clamping body is provided with a first butt joint part and a second butt joint part, and the first butt joint part and the second butt joint part are respectively positioned at two opposite ends of the clamping body; a first lining is fixedly arranged in the first butt joint part, the first lining is provided with a first splicing cavity, a second splicing cavity is arranged in the second butt joint part, and the second butt joint part is provided with a locking buckle; at least two ceramic sleeves clamped between the first lining and the clamping body side by side, wherein the ceramic sleeves are communicated with the first splicing cavity and the second splicing cavity.

In some embodiments, the second plug cavity comprises: a positioning groove communicated with the ceramic sleeve; the guide groove is arranged on one side, away from the ceramic sleeve, of the positioning groove and is communicated with the positioning groove; and the fool-proof groove is communicated with the guide groove and is positioned on one side of the guide groove.

In some embodiments, the adapter further comprises a nut sleeved outside the first butt joint part, and the nut is in threaded connection with the first butt joint part; the adapter still includes first dustproof cap, first dustproof cap cover is located second butt joint portion, just first dustproof cap with press from both sides between the second butt joint portion and be equipped with first sealing washer.

In a second aspect, there is provided a connector for mating with the adapter described above, comprising: the inner sleeve is internally provided with at least two inserting core assemblies and is provided with a locking groove matched with the locking buckle of the adapter.

In some embodiments, the connector further includes a second liner and a plug, the plug and the second liner are fixed by a first buckle, the ferrule assembly is clamped between the plug and the second liner, and the second liner is installed in the inner sleeve.

In some embodiments, the second liner is provided with error-proofing grooves with different sizes, and the inner sleeve is provided with error-proofing bosses matched with the error-proofing grooves.

In some embodiments, a pressing tongue is arranged outside the inner sleeve corresponding to the locking groove, and when the locking buckle of the adapter enters the locking groove, the pressing tongue abuts against the outer side of the locking buckle.

In some embodiments, an elastic member is arranged on one side of the pressure tongue away from the locking groove, the elastic member and the pressure tongue are arranged along the axial direction of the inner sleeve, and one end of the elastic member is in contact with the pressure tongue; when the pressing tongue moves in the direction away from the locking groove along the axial direction, the pressing tongue compresses the elastic piece.

In some embodiments, an outer sleeve is further sleeved outside the inner sleeve, the outer sleeve and the inner sleeve are fixed through a second buckle, so that the pressing tongue and the elastic member are installed between the outer sleeve and the inner sleeve, and when the outer sleeve is pulled axially, the outer sleeve drives the pressing tongue to move axially in a direction away from the locking groove; the inner side of the outer sleeve is also provided with a notch matched with the spatula.

In a third aspect, a connector assembly is provided, which comprises the above connector, and an adapter mated with the connector; the adapter includes: the clamping body is provided with a first butt joint part and a second butt joint part, and the first butt joint part and the second butt joint part are respectively positioned at two opposite ends of the clamping body; a first lining is fixedly arranged in the first butt joint part, the first lining is provided with a first splicing cavity, a second splicing cavity is arranged in the second butt joint part, and the second butt joint part is provided with a locking buckle; at least two ceramic sleeves clamped between the first lining and the clamping body side by side, wherein the ceramic sleeves are communicated with the first splicing cavity and the second splicing cavity.

The utility model provides a beneficial effect that technical scheme brought includes:

the embodiment of the utility model provides an adapter, connector and connector assembly, because second butt joint portion is equipped with locking and detains, can realize plug-in locking with the locking recess of connector, it is more convenient than the operation of twisting formula soon, and two optic fibre that can peg graft of two ceramic sleeves realize two core schemes, satisfy customer's cover demand.

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 described 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 without creative efforts.

Fig. 1 is a schematic front view of an adapter according to an embodiment of the present invention;

fig. 2 is a schematic cross-sectional view of an adapter according to an embodiment of the present invention;

fig. 3 is a schematic cross-sectional view of a clamping body according to an embodiment of the present invention;

fig. 4 is a schematic cross-sectional view of another direction of the clamping body according to the embodiment of the present invention;

fig. 5 is a schematic perspective view of an adapter according to an embodiment of the present invention;

fig. 6 is a schematic side view of an adapter according to an embodiment of the present invention;

fig. 7 is a schematic structural view of a fool-proof groove provided in the embodiment of the present invention;

fig. 8 is a schematic front view of a connector according to an embodiment of the present invention;

fig. 9 is a schematic cross-sectional view of a connector according to an embodiment of the present invention;

fig. 10 is a schematic cross-sectional view of another direction of the connector according to the embodiment of the present invention;

fig. 11 is a schematic perspective view of a second liner according to an embodiment of the present invention;

fig. 12 is a schematic cross-sectional view of a second liner provided in accordance with an embodiment of the present invention;

fig. 13 is a schematic side view of a second liner according to an embodiment of the present invention;

fig. 14 is a schematic cross-sectional view of an inner sleeve according to an embodiment of the present invention;

fig. 15 is a schematic cross-sectional view of a connector provided by an embodiment of the present invention without a second dust cap;

fig. 16 is a schematic side view of a connector according to an embodiment of the present invention;

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

fig. 18 is a schematic cross-sectional view of a connector assembly provided by an embodiment of the present invention;

fig. 19 is a schematic cross-sectional view of another direction of the connector assembly according to an embodiment of the present invention.

In the figure:

1. an adapter;

11. a clamping body; 111. a first mating portion; 1111. clamping; 112. a second docking portion; 1121. a second plug cavity; 1122. a locking buckle; 1123. positioning a groove; 1124. a guide groove; 1125. a fool-proof groove; 1126. a first indication arrow; 113. mounting a plate;

12. a first liner; 121. a first plug cavity; 13. a ceramic sleeve; 14. a nut; 15. a first dust cap; 16. a first seal ring; 17. connecting ropes;

2. a connector;

21. an inner sleeve; 211. locking the groove; 212. a ferrule assembly; 22. a second liner; 221. preventing the wrong groove;

23. a plug; 24. tongue depressing; 25. an elastic member; 26. a jacket; 261. a second indication arrow; 27. a hauling rope;

28. a second dust cap; 281. a hook; 282. a second seal ring; 29. a fixed structure; 291. a metal rear sleeve; 292. an aluminum cup; 293. heat shrink tubing; 294. a tail sleeve;

3. an optical cable.

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 accompanying 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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

An embodiment of the utility model provides an adapter, connector and connector assembly, it can solve among the correlation technique and twist formula locking mode soon under limited installation space, especially under the higher condition of density requirement, operate very difficult problem.

Referring to fig. 1, 2 and 4, an adapter 1 according to an embodiment of the present invention may include: the clamping body 11 is provided with a first butt-joint part 111 and a second butt-joint part 112, the first butt-joint part 111 and the second butt-joint part 112 are respectively located at two opposite ends of the clamping body 11, that is, the first butt-joint part 111 and the second butt-joint part 112 are distributed at two opposite ends of the clamping body 11 along the axial direction of the clamping body 11, wherein the first butt-joint part 111 can be used for being butted with a standard SC connector, and the second butt-joint part 112 can be used for being butted with the pre-formed end connector 2; a first inner liner 12 may be fixedly disposed in the first mating portion 111, the first inner liner 12 has a first plug cavity 121, where the first plug cavity 121 may be an integral cavity or may be divided into multiple small plug cavities for mating with the standard SC connector, in this embodiment, the first plug cavity 121 is preferably divided into two small plug cavities for respectively mating with the two standard SC connectors; a second plugging cavity 1121 may be formed in the second mating portion 112, and the second mating portion 112 is provided with a locking buckle 1122, where the locking buckle 1122 has elasticity, and when the pre-forming connector 2 is inserted into the second plugging cavity 1121, the locking buckle 1122 may be buckled in the locking groove 211 of the connector 2, so as to lock the adapter 1 and the connector 2; and at least two ceramic sleeves 13 clamped between the first liner 12 and the clamping body 11 side by side, wherein the ceramic sleeves 13 communicate the first plug cavity 121 and the second plug cavity 1121. That is, each ceramic sleeve 13 extends in an axial direction, one end of each ceramic sleeve 13 is communicated with the first plug cavity 121, and the other end is communicated with the second plug cavity 1121, wherein at least two ceramic sleeves 13 are arranged in a direction perpendicular to the axial direction.

In this embodiment, because second butt joint portion 112 is equipped with locking and detains 1122, can carry out buckle fit with the locking recess 211 of connector 2, realize plug-in locking, it is more convenient than the operation of market top spin formula, and two optical fibers can peg graft by two ceramic sleeves 13, realize two core schemes, satisfy customer's cover demand, compare traditional butt fusion scheme and possess higher efficiency of construction.

Further, in some embodiments, referring to fig. 3 and 7, the second plug cavity 1121 may include: a positioning groove 1123, which is in communication with the ceramic sleeve 13, that is, the positioning groove 1123 is located close to the ceramic sleeve 13, and the connector 2 can be inserted into the positioning groove 1123 to position the connector 2, so that the ferrule of the connector 2 is inserted into the ceramic sleeve 13 in alignment; a guide groove 1124 disposed at a side of the positioning groove 1123 away from the ceramic sleeve 13, wherein the guide groove 1124 is in communication with the positioning groove 1123, that is, the guide groove 1124 is biased to be close to the front end of the adapter 1, so as to primarily guide the connector 2, and the connector 2 can automatically slide into the positioning groove 1123 along the guide groove 1124 when inserted; and fool-proof groove 1125, it with guide way 1124 intercommunication, fool-proof groove 1125 is located one side of guide way 1124, fool-proof groove 1125 can with connector 2 on corresponding protruding cooperation, make connector 2 insert according to correct direction, can't insert when connector 2 direction is wrong, in this embodiment, be equipped with on connector 2's the plug 23 protruding, insert the alignment structure as plug 23 plug core subassembly 212, realize connector 2 when inserting adapter 1, the angle of plug core subassembly 212 is aimed at, guarantees good optical performance. The butt joint structure of the connector 2 alignment structure and the adapter 1 provided in the embodiment enables the connector 2 to be easily visually aligned when being inserted, and has good error-proof operation measures and convenient operation.

In some embodiments, referring to fig. 1, the adapter 1 may further include a nut 14 sleeved outside the first butt-joint portion 111, the nut 14 is screwed with the first butt-joint portion 111, and the adapter 1 may be fixed to the box body by the nut 14; the adapter 1 may further include a first dust cap 15, the first dust cap 15 is sleeved on the second docking portion 112 to prevent dust for the second docking portion 112, and a first sealing ring 16 is clamped between the first dust cap 15 and the second docking portion 112, wherein a first sealing groove may be formed in a surface of the second docking portion 112, and the first sealing ring 16 is contained in the first sealing groove to seal between the first dust cap 15 and the second docking portion 112 or seal after the connector 2 and the second docking portion 112 are locked. The clamping body 11 can be further provided with a connecting rope 17, one end of the connecting rope 17 is connected with the clamping body 11, and the other end of the connecting rope 17 is connected with the first dust cap 15.

The majority of the fiber optic connectors and adapters used in the related art are industry standard type connectors and adapters. The connector and adapter of this type are designed to solve the problem of indoor optical fiber connection or optical fiber connection in a protection box (box), and the box needs to be opened when the service is opened, and the operations such as fusion splicing, optical cable fixing and the like are performed in the box. The adapter 1 provided with the first sealing ring 16 provided by the embodiment has good waterproof performance, can be preassembled outside the box body for use, and can avoid actions such as box opening, fusion splicing and optical cable 3 fixing during service opening.

Further, referring to fig. 5, an outer side of the second docking portion 112 may be provided with a first indication arrow 1126, and the first indication arrow 1126 may indicate that the connector 2 is docked in a preset direction. Be equipped with mounting panel 113 between second butt joint portion 112 and the first butt joint portion 111, mounting panel 113 can adopt asymmetric flat structure, and adapter 1 can guarantee that adapter 1 installation direction is prevented staying through flat overall structure when installing to the box body.

Preferably, as shown in fig. 6, the first inner liner 12 may be fastened to the clamping body 11 by a snap, and after the first inner liner 12 is fastened to the clamping body 11, the first inner liner 12 and the clamping body 11 hold the ceramic sleeve 13 tightly, so that the ceramic sleeve 13 is fixed between the first inner liner 12 and the clamping body 11. Further, as shown in fig. 1, the first mating portion 111 may be provided with a snap 1111, and the standard LC connector may be locked by the snap 1111 after being inserted into the first plugging chamber 121.

Referring to fig. 8 to 10, the embodiment of the present invention further provides a connector 2 for docking with the adapter 1, which may include: the adapter comprises an inner sleeve 21, wherein at least two ferrule assemblies 212 are installed in the inner sleeve 21, and the inner sleeve 21 is provided with a locking groove 211 used for being matched with a locking buckle 1122 of the adapter 1. When the adapter 1 is in butt joint with the connector 2, the inner sleeve 21 is inserted into the second inserting cavity 1121, and the locking buckle 1122 of the adapter 1 enters the locking groove 211, so that the connector 2 is locked with the adapter 1. Each ferrule assembly 212 can be correspondingly inserted with an optical fiber, and the two ferrule assemblies 212 are fixed on the same connector 2, so that the number of parts is reduced, and the assembly efficiency is improved.

In some embodiments, referring to fig. 9 and fig. 11 to fig. 12, the connector 2 may further include a second inner liner 22 and a plug 23, the plug 23 and the second inner liner 22 may be fixed by a first snap, and the ferrule assembly 212 is clamped between the plug 23 and the second inner liner 22, that is, after the plug 23 and the second inner liner 22 are snap-fixed, the ferrule assembly 212 may be clasped and fixed, so as to facilitate the installation and removal of the ferrule assembly 212, and the second inner liner 22 is installed in the inner sleeve 21.

Preferably, as shown in fig. 13, the second inner liner 22 may be provided with error-proof grooves 221 having different sizes, the inner liner 21 is provided with error-proof bosses engaged with the error-proof grooves 221, and when the second inner liner 22 is engaged with the inner liner 21, the error-proof bosses may be inserted into the error-proof grooves 221 to prevent the second inner liner from being reversely mounted.

Further, referring to fig. 10 and 15, a pressing tongue 24 may be disposed outside the inner sleeve 21 corresponding to the locking groove 211, and when the locking buckle 1122 of the adapter 1 enters the locking groove 211, the pressing tongue 24 abuts against the outer side of the locking buckle 1122; the pressing tongue 24 may be fixed on the inner sleeve 21, or may be sleeved on the inner sleeve 21 and may slide relative to the inner sleeve 21, and the pressing tongue 24 is arranged to press the locking buckle 1122, so that the connector 2 and the adapter 1 are prevented from being disengaged.

In some embodiments, referring to fig. 10 and 15, an elastic member 25 may be disposed on a side of the pressing tongue 24 away from the locking groove 211, the elastic member 25 and the pressing tongue 24 are arranged along an axial direction of the inner sleeve 21, that is, the elastic member 25 is disposed on a side of the pressing tongue 24 along the axial direction, one end of the elastic member 25 contacts the pressing tongue 24, and the other end of the elastic member 25 may abut against a step of the inner sleeve 21; when the pressing tongue 24 moves in the direction away from the locking groove 211 along the axial direction (i.e., moves in the direction close to the elastic member 25), the pressing tongue 24 compresses the elastic member 25, and at this time, the pressing tongue 24 moves out of the position of the locking groove 211, so that the pressing tongue 24 no longer limits the locking buckle 1122, the locking buckle 1122 can be disengaged from the locking groove 211, unlocking is achieved, the pressing tongue 24 is released after unlocking, and the pressing tongue 24 can be driven to automatically reset under the elastic force of the elastic member 25. In this embodiment, the pressing tongue 24 may be directly connected to the elastic member 25 to prevent the pressing tongue 24 from coming off the inner sleeve 21, or a stopping structure may be disposed on the inner sleeve 21 to prevent the pressing tongue 24 from coming off the inner sleeve 21 from an end far away from the elastic member 25. Of course, in other embodiments, the pressing tongue 24 may be immovable fixed on the inner sleeve 21.

In this embodiment, the locking and unlocking structure of the adapter 1 and the connector 2 adopts the structure of the locking buckle 1122, the pressing tongue 24 and the elastic member 25, so that the structure is simple, and the adaptive assembly cost and the material cost are reduced.

In some alternative embodiments, as shown in fig. 15 and 16, the inner sleeve 21 may also be sleeved with an outer sleeve 26, the outer sleeve 26 and the inner sleeve 21 are fixed by a second buckle, so that the pressing tongue 24 and the elastic member 25 are installed between the outer sleeve 26 and the inner sleeve 21, thereby fixing the pressing tongue 24 and the elastic member 25, when the outer sleeve 26 is pulled in the axial direction, the outer sleeve 26 can drive the pressing tongue 24 to move in the direction away from the locking groove 211 in the axial direction, wherein, the inner side of the outer sleeve 26 can be provided with a pushing part which is matched with the pressure tongue 24, when the outer sleeve 26 moves, the pushing portion can push the pressing tongue 24 to the direction close to the elastic member 25, by arranging the outer sleeve 26, the movement of the tongue depressor 24 can be realized by directly pulling the outer sleeve 26, the unlocking is realized, of course, the pulling rope 27 may be provided on the outer jacket 26, and the outer jacket 26 may be pulled to move by the pulling rope 27; the inner side of the outer sleeve 26 can be further provided with a notch matched with the pressure tongue 24, the pressure tongue 24 can be accommodated in the notch, and the pressure tongue 24 is arranged outside the inner sleeve 21, so that when the outer sleeve 26 is arranged outside the inner sleeve 21, the notch is matched with the pressure tongue 24, and the correct assembly angle of the outer sleeve 26 can be ensured.

In some embodiments, referring to fig. 8 to 9, the connector 2 may further include a second dust cap 28 sleeved outside the inner sleeve 21, the second dust cap 28 may be provided with a hook 281, a structure of the hook 281 is the same as that of the locking buckle 1122 on the adapter 1, so that the hook 281 may be locked in cooperation with the locking groove 211 on the inner sleeve 21, a second sealing groove may be formed on a surface of the second dust cap 28, a second sealing ring 282 is accommodated in the second sealing groove, and the second sealing ring 282 is clamped between the second dust cap 28 and the outer sleeve 26 to achieve sealing. In this embodiment, after the second dust cap 28 is fastened to the inner sleeve 21 by the hook 281, the pressing tongue 24 can press the hook 281 to ensure that the second dust cap 28 is not released, wherein when the outer sleeve 26 is pulled toward the elastic member 25, the pressing tongue 24 can move backward along with the outer sleeve 26, and the second dust cap 28 can be released and detached.

During assembly, the second sealing ring 282, the elastic member 25 and the pressing tongue 24 are sequentially sleeved on the inner sleeve 21 in advance, and then the outer sleeve 26 is sleeved, wherein the pressing tongue 24 is annular, the flat shape of the inner ring of the pressing tongue 24 is matched with the inner sleeve 21 (namely the inner sleeve 21 is also flat), and the assembly angle of the pressing tongue 24 is confirmed through the flat shape; the asymmetric design of the inner sleeve 21 can play a role in preventing the outer sleeve 26 from being installed in a wrong way.

The optical cable 3 is connected to one end of the connector 2, the optical fiber of the optical cable 3 can be inserted into the inner sleeve 21 and then enter the ferrule assembly 212, the connector 2 can further comprise a fixing structure 29 used for fixing the optical cable 3, the fixing structure 29 comprises a metal rear sleeve 291 and an aluminum cup 292, a threaded structure can be arranged on the inner sleeve 21 and assembled with the metal rear sleeve 291 (see fig. 14), the optical cable 3 is located in the metal rear sleeve 291, the optical cable 3 is fixed between the metal rear sleeve 291 and the aluminum cup 292 through aramid yarn crimping, and then the thermal shrinkage tube 293 is shrunk to seal the optical cable 3 and fix the reinforced optical cable 3. The fixing structure 29 may further include a tail sleeve 294, the tail sleeve 294 is sleeved outside the heat shrinkable tube 293, and the tail sleeve 294 may be fastened to the inner sleeve 21 by a snap.

Further, as shown in fig. 17, the outer sleeve 26 may be provided with a second indication arrow 261, and when the connector 2 is mated with the adapter 1, the clamping body 11 and the indication arrow on the outer sleeve 26 are visually inserted in opposite directions; the connector 2 and the adapter 1 are clamped by the locking buckle 1122 and are tightly pressed by the pressing tongue 24 and then locked to form a double-core head and a double-core cavity body which are butted, and the inserting core of the connector 2 and the inserting core of the standard LC connector in the embodiment can complete optical connection; pulling the pulling rope 27 or the outer sheath 26 toward the optical cable 3 can drive the pressing tongue 24 to compress the elastic member 25 to release the compression and then unlock the optical cable.

Referring to fig. 17 to 19, the embodiment of the present invention further provides a connector assembly, which may include the connector 2 provided in any one of the above embodiments, and an adapter 1 mated with the connector 2; wherein the adapter 1 may comprise: a clamping body 11, wherein the clamping body 11 is provided with a first butt-joint part 111 and a second butt-joint part 112, and the first butt-joint part 111 and the second butt-joint part 112 are respectively positioned at two opposite ends of the clamping body 11; a first inner liner 12 is fixedly arranged in the first butt joint portion 111, the first inner liner 12 is provided with a first inserting cavity 121, a second inserting cavity 1121 is arranged in the second butt joint portion 112, and a locking buckle 1122 is arranged on the second butt joint portion 112; at least two ceramic sleeves 13 clamped between the first inner liner 12 and the clamping body 11 side by side, wherein the ceramic sleeves 13 communicate the first plug cavity 121 and the second plug cavity 1121. The adapter 1 in this embodiment may also adopt the adapter 1 provided in any of the above embodiments.

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 only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, 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 meaning of the above terms in the present invention can be understood according to specific situations by those skilled 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 above description is only exemplary of the invention, and is intended to enable those skilled in the art to understand and implement the 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 invention. 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 adapter, characterized in that it comprises:

a clamping body (11), wherein the clamping body (11) is provided with a first butt joint part (111) and a second butt joint part (112), and the first butt joint part (111) and the second butt joint part (112) are respectively positioned at two opposite ends of the clamping body (11);

a first inner liner (12) is fixedly arranged in the first butt joint part (111), the first inner liner (12) is provided with a first inserting cavity (121), a second inserting cavity (1121) is arranged in the second butt joint part (112), and a locking buckle (1122) is arranged on the second butt joint part (112);

at least two ceramic sleeves (13) clamped between the first lining (12) and the clamping body (11) side by side, wherein the ceramic sleeves (13) communicate the first plug cavity (121) and the second plug cavity (1121).

2. The adapter according to claim 1, characterized in that said second plugging chamber (1121) comprises:

a locating slot (1123) in communication with the ceramic sleeve (13);

a guide groove (1124) provided on a side of the positioning groove (1123) away from the ceramic sleeve (13), the guide groove (1124) communicating with the positioning groove (1123);

and a fool-proof groove (1125) communicating with the guide groove (1124), the fool-proof groove (1125) being located at one side of the guide groove (1124).

3. The adapter of claim 1, wherein:

the adapter further comprises a nut (14) sleeved on the outer side of the first butt joint part (111), and the nut (14) is in threaded connection with the first butt joint part (111);

the adapter further comprises a first dustproof cap (15), the second butt joint part (112) is sleeved with the first dustproof cap (15), and a first sealing ring (16) is clamped between the first dustproof cap (15) and the second butt joint part (112).

4. A connector for mating with the adapter of claim 1, comprising:

the locking device comprises an inner sleeve (21), wherein at least two insertion core assemblies (212) are installed in the inner sleeve (21), and the inner sleeve (21) is provided with a locking groove (211) matched with a locking buckle (1122) of the adapter.

5. The connector of claim 4, wherein:

the connector further comprises a second inner liner (22) and a plug (23), the plug (23) and the second inner liner (22) are fixed through a first buckle, the plug core assembly (212) is clamped between the plug (23) and the second inner liner (22), and the second inner liner (22) is installed in the inner sleeve (21).

6. The connector of claim 5, wherein:

the second inner liner (22) is provided with mistake proofing grooves (221) with different sizes, and the inner liner (21) is provided with mistake proofing bosses matched with the mistake proofing grooves (221).

7. The connector of claim 4, wherein:

a pressing tongue (24) is arranged outside the inner sleeve (21) corresponding to the locking groove (211), and when a locking buckle (1122) of the adapter enters the locking groove (211), the pressing tongue (24) abuts against the outer side of the locking buckle (1122).

8. The connector of claim 7, wherein:

an elastic piece (25) is arranged on one side, away from the locking groove (211), of the pressing tongue (24), the elastic piece (25) and the pressing tongue (24) are arranged along the axial direction of the inner sleeve (21), and one end of the elastic piece (25) is in contact with the pressing tongue (24);

when the pressing tongue (24) moves in the direction away from the locking groove (211) along the axial direction, the pressing tongue (24) compresses the elastic piece (25).

9. The connector of claim 8, wherein:

an outer sleeve (26) is further sleeved outside the inner sleeve (21), the outer sleeve (26) and the inner sleeve (21) are fixed through a second buckle, so that the pressing tongue (24) and the elastic piece (25) are installed between the outer sleeve (26) and the inner sleeve (21), and when the outer sleeve (26) is pulled axially, the outer sleeve (26) drives the pressing tongue (24) to move axially in a direction far away from the locking groove (211); the inner side of the outer sleeve (26) is also provided with a notch matched with the tongue depressor (24).

10. A connector assembly, characterized in that it comprises a connector according to any one of claims 4-9, and an adapter that mates with the connector;

the adapter includes:

a clamping body (11), wherein the clamping body (11) is provided with a first butt joint part (111) and a second butt joint part (112), and the first butt joint part (111) and the second butt joint part (112) are respectively positioned at two opposite ends of the clamping body (11);

a first lining (12) is fixedly arranged in the first butt joint part (111), the first lining (12) is provided with a first inserting cavity (121), a second inserting cavity (1121) is arranged in the second butt joint part (112), and the second butt joint part (112) is provided with a locking buckle (1122);

at least two ceramic sleeves (13) clamped between the first lining (12) and the clamping body (11) side by side, wherein the ceramic sleeves (13) communicate the first plug cavity (121) and the second plug cavity (1121).

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