CN216773623U - Connector and communication cable connecting device - Google Patents

Abstract

The utility model discloses a connector and a communication cable connecting device, wherein the connector comprises a base, a protective sleeve and a connecting part, wherein the base is provided with an installation part and a plug-in part; the tail end of the tail section shell is provided with a contraction part; the locking mechanism comprises a movable piece arranged on the insertion part; the sealing plug is provided with a threading hole for the communication cable to pass through; the outer shell is moved axially to the direction close to the installation portion and is switched to the locking state, the head shell pushes the movable piece to abut against the inner shell, and the contraction portion extrudes the sealing plug to enable the threading hole to contract radially to compress the communication cable. The locking state of the inner shell and the base and the contraction part at the tail end of the outer shell can be controlled simultaneously to press or loosen the sealing plug by moving the outer shell axially relative to the inner shell.

Description

Connector and communication cable connecting device

Technical Field

The present invention relates to the field of communications, and more particularly to a connector and a communication cable connection device.

Background

The optical fiber connecting plug is a connector commonly used in the communication field, and can fixedly connect an optical cable to an optical fiber socket through the optical fiber connecting plug, so that stable connection between the optical fiber socket and the optical fiber connecting plug is realized. In order to further improve the stability of the connection between the optical cable and the optical fiber socket, a protective sleeve is usually sleeved on the outer side of the optical fiber plug to further improve the stability in the using process.

In prior art, usually through threaded connection's mode with protective sheath and fiber socket detachably connected, need constantly rotatory protective sheath among the connection process, there is the risk that drives optical cable pivoted, influence signal transmission effect.

In chinese patent application No. CN201710487789.1, a "socket connector and its ball locking structure" is disclosed, which specifically discloses that the connection between the protective sleeve and the fiber socket is realized by the way that the balls, the locking sleeve, the plug inner shell and the mounting hole are mutually matched. In this prior art, the locking sleeve and the plug inner housing cannot be individually installed and removed in the field.

SUMMERY OF THE UTILITY MODEL

In view of the above problems, it is an object of the present invention to provide a communication connector and a communication cable connecting device capable of simultaneously controlling a locked state of an inner housing and a base and a pressing or releasing of a seal plug by a constricted portion at a tail end of the outer housing by moving the outer housing in an axial direction relative to the inner housing.

In order to achieve the above object, the present invention provides a connector comprising:

the base is provided with a mounting part and an inserting part, and the inserting part surrounds to form a first communication channel;

the protective sleeve is provided with a second communication channel and comprises an inner shell and an outer shell, the outer shell comprises a head section shell and a tail section shell, a locking space is formed between the head section shell and the inner shell, and the inserting part is suitable for being inserted into the locking space; one end, far away from the head section shell, of the tail section shell axially extends to the outer side of the inner shell, an accommodating space is formed between the tail section shell and the end of the inner shell, and a contraction part is formed at one end, far away from the head section shell, of the tail section shell;

the locking mechanism comprises a movable piece arranged on the insertion part;

a sealing plug mounted to the second communication passage and having at least a portion thereof located in the accommodating space, the sealing plug having a wire passing hole through which a communication cable passes;

the outer shell is axially moved in the direction close to the installation portion and is switched to a locking state, the head section shell pushes the movable piece to abut against the inner shell, and the contraction portion extrudes the sealing plug to enable the threading hole to be radially contracted and compressed on the communication cable.

In some preferred embodiments, the insertion part is provided with an anti-rotation groove, and the inner shell is provided with an anti-rotation bulge; or, the insertion part is provided with an anti-rotation bulge, and the inner shell is provided with an anti-rotation groove; when the inserting part is inserted into the locking space, the anti-rotation bulge is arranged in the anti-rotation groove.

In some preferred embodiments, the predetermined position of the inner case has a fixing pin, and the predetermined position of the outer case has a guide groove; or, the preset position of the inner shell is provided with a guide groove, and the preset position of the outer shell is provided with a fixing pin; the fixed pin movably installs in the guiding groove, for interior casing rotates the shell body can control shell body axial displacement.

In some preferred embodiments, one end of the head section shell, which is far away from the installation part, is in threaded connection with one end of the tail section shell, which is close to the installation part, and the head section shell can be rotated to drive the tail section shell to move axially.

In some preferred embodiments, the one end that the back end casing is close to the installation department has the intercommunication the installation breach of guiding groove, the head end casing is kept away from the one end detachably of installation department connect in the back end casing is close to the one end of installation department, the guiding groove is kept away from the one end of installation department is to the orientation the direction of installation department extends and forms the locking groove.

In some preferred embodiments, the inner wall preset position of the tail section casing has a first limit protrusion, the preset position of the inner casing has a second limit protrusion, the second limit protrusion is located the first limit protrusion is close to one side of the installation part the tail section casing is close to the direction motion process of the installation part, the second limit protrusion can be abutted with the first limit protrusion to limit the distance of the tail section casing to the direction motion of the installation part.

In some preferred embodiments, the inner wall of the head section casing is preset the position and is had the spacing arch of third, the interior casing corresponds the preset position of head section casing has the spacing arch of fourth, the spacing arch of third is located the spacing arch of fourth is close to one side of installation department the head section casing is to keeping away from the in-process of the direction motion of installation department, the spacing arch of fourth can with the spacing protruding butt of third, in order to restrict the head section casing is to keeping away from the distance that the direction of installation department removed.

In some preferred embodiments, the inner shell is provided with a first section, a second section and a third section in sequence from the head end to the tail end, the height of the first section is lower than that of the second section, a limit boss is formed at the joint and is suitable for abutting against the end face of the insertion part, and the anti-rotation protrusion is positioned on the first section;

the fourth bulge is a convex ring positioned on the second section, and the third limiting bulge and the fixing pin are respectively positioned on two sides of the convex ring;

the height of the third section is lower than that of the first section, and the inclined plane at the joint forms the second limiting protrusion.

In some preferred embodiments, the connector further includes a retracting claw, the outer side of the tail end of the inner housing has a rotating groove, the head end of the retracting claw has a snap head, the snap head is rotatably mounted in the rotating groove, the tail end of the retracting claw extends to between the sealing plug and the tail section housing, and the sealing plug abuts against the end face of the tail end of the inner housing.

In some preferred embodiments, the insertion part has a plurality of locking holes, the inner shell has a plurality of locking slots at corresponding positions, and the movable member is a plurality of claws mounted in the locking holes;

in an unlocking state, at least one part of the clamping jaw protrudes out of the outer side face of the insertion part, and the clamping jaw is positioned outside the locking groove; in a locking state, the head section shell is abutted to the clamping jaw to push the clamping jaw to move into the locking groove.

In some preferred embodiments, the head section casing is close to the one end of installation department has dodges the section and the butt section, dodge the section with form first space between the interior casing, the butt section with form the second space between the interior casing, the radial dimension in first space is greater than the radial dimension in second space unlock state, the jack catch is located first space lock state, the jack catch is located the second space.

In some preferred embodiments, the side wall of the sealing plug is provided with a threading opening communicated with the threading hole.

According to another aspect of the present invention, there is further provided a communication cable connection device including:

a connector according to any one of the above;

the communication cable connecting assembly comprises a communication cable connector, a communication plug and a communication cable, wherein the communication cable connector is respectively connected to the communication plug and the communication cable;

the base of the connector is mounted on the communication box, the communication plug is connected to the communication box, and the protective sleeve of the connector is sleeved on the outer side of the communication cable connector.

In some preferred embodiments, the communication cable connecting device further includes a limiting block, the limiting block is installed in the second communicating channel of the protective sleeve, the side wall of the second communicating channel is provided with a limiting protrusion, the head end of the limiting block abuts against the communication cable connector, the tail end of the limiting block abuts against the limiting protrusion, the limiting block is provided with a through threading hole, and the side wall is provided with an installation opening.

In some preferred embodiments, the communication cable connector comprises:

a first housing adapted to secure the communication plug;

a second housing adapted to secure the communication cable;

an intermediate case located between the first case and the second case and fixed to the first case and the second case, respectively;

the communication cable connector is also provided with a wire accommodating space which penetrates through the first shell, the middle shell and the second shell;

the middle shell is of a multilayer structure which is arranged in a laminated mode along the length extending direction of the line accommodating space, the middle shell further comprises connecting ribs which are connected with adjacent layers, the adjacent connecting ribs are arranged in a staggered mode along the length extending direction of the line accommodating space, and a bidirectional adjusting space is provided for a gap between the adjacent layers outside the connecting ribs.

Compared with the prior art, the communication connector and the communication cable connecting device provided by the utility model have at least one of the following beneficial effects:

1. the communication connector and the communication cable connecting device provided by the utility model can simultaneously control the locking state of the inner shell and the base and the compression or release of the sealing plug of the contraction part at the tail end of the outer shell by axially moving the outer shell relative to the inner shell;

2. the utility model provides a communication connector and a communication cable connecting device.A shell comprises a head section shell and a tail section shell, wherein the head section shell is detachably connected with the tail section shell in a threaded manner and can be detached in a state that the head section shell is locked and pushes a movable piece to lock an inner shell;

3. according to the communication connector and the communication cable connecting device provided by the utility model, the tail end of the inner shell is provided with the contraction claw, the head end of the contraction claw is rotatably connected to the inner shell, and the tail end of the contraction claw extends to a position between the sealing plug and the tail section shell, so that the rotation of the sealing plug in the tail section shell relative to the inner shell is reduced or avoided.

Drawings

The above features, technical features, advantages and modes of realisation of the present invention will be further described in the following detailed description of preferred embodiments thereof, which is to be read in connection with the accompanying drawings.

FIG. 1 is an exploded view of a communications connector of a preferred embodiment of the present invention;

FIG. 2 is a schematic diagram of an application configuration of the communication connector of the preferred embodiment of the present invention;

FIG. 3 is a schematic cross-sectional view of a communications connector of a preferred embodiment of the present invention;

FIG. 4 is a perspective view of the inner housing of the telecommunications connector of the preferred embodiment of the present invention;

FIG. 5 is a perspective view of a rear housing of a telecommunications connector in accordance with a preferred embodiment of the present invention;

FIG. 6 is a cross-sectional structural schematic view of a rear housing of the telecommunications connector of the preferred embodiment of the present invention;

FIG. 7 is a cross-sectional structural schematic view of a header housing of the communications connector of the preferred embodiment of the present invention;

FIG. 8 is a schematic perspective view of a retracting claw of the communication connector of the preferred embodiment of the present invention;

FIG. 9 is a cross-sectional structural view of the retracting jaws of the communication connector of the preferred embodiment of the present invention;

fig. 10 is a schematic perspective view of a sealing plug of the telecommunications connector of the preferred embodiment of the present invention;

FIG. 11 is an exploded view of the communication cable connection device of the preferred embodiment of the present invention;

fig. 12 is a perspective view schematically illustrating a partial structure of a telecommunication cable connector of the telecommunication cable connector apparatus according to the preferred embodiment of the present invention;

FIG. 13 is a schematic cross-sectional view of the communication cable connection device of the preferred embodiment of the present invention;

FIG. 14 is an enlarged schematic view of a portion a of FIG. 13;

fig. 15 is a perspective view of a stopper of the communication cable connection device according to the preferred embodiment of the present invention.

The reference numbers illustrate:

the connector 100, the base 10, the mounting portion 11, the inserting portion 12, the anti-rotation groove 120, the mounting mark 121, the locking hole 122, the first communicating channel 13, the protective cover 20, the second communicating channel 21, the limiting protrusion 211, the inner housing 22, the locking space 220, the first space 2201, the second space 2202, the anti-rotation protrusion 221, the fixing pin 222, the first section 223, the second section 224, the third section 225, the limiting boss 226, the rotating groove 227, the locking groove 228, the outer housing 23, the head housing 231, the avoiding section 2311, the abutting section 2312, the tail housing 232, the contracting portion 2321, the mounting notch 2320, the guide groove 233, the locking groove 2330, the first limiting protrusion 241, the second limiting protrusion 242, the third limiting protrusion, the fourth limiting protrusion 244, the latch mechanism 30, the movable member 31, the sealing plug 40, the threading hole 41, the threading opening 42, the contracting claw 50, the latch connector 51, the communication cable connector 200, the first housing 201, the cable connector comprises a second shell 202, a limit guide rail 2021, a middle shell 203, a layer 2031, a connecting rib 2032, a cable accommodating space 204, a communication box 300, a communication plug 400, a communication cable 500, a limit block 600, a threading hole 601, an installation opening 602 and a limit sliding groove 603.

Detailed Description

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following description will be made with reference to the accompanying drawings. It is obvious that the drawings in the following description are only some examples of the utility model, and that for a person skilled in the art, other drawings and embodiments can be derived from them without inventive effort.

For the sake of simplicity, only the parts related to the utility model are schematically shown in the drawings, and they do not represent the actual structure as a product. In addition, in order to make the drawings concise and understandable, components having the same structure or function in some of the drawings are only schematically illustrated or only labeled. In this document, "one" means not only "only one" but also a case of "more than one".

It should be further understood that the term "and/or" as used in this specification and the appended claims refers to and includes any and all possible combinations of one or more of the associated listed items.

In this context, it is to be understood that, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 in specific cases to those skilled in the art.

In addition, in the description of the present application, the terms "first", "second", and the like are used only for distinguishing the description, and are not intended to indicate or imply relative importance.

Referring to fig. 1 to 10, the connector 100 provided by the present invention is used for fixing a communication cable connector 200 to a communication box 300, and the connector 100 includes a base 10, a protective sleeve 20, a latch mechanism 30 and a sealing plug 40. The base 10 has a mounting portion 11 and a plug portion 12, the mounting portion 11 is adapted to be mounted to the communication box 300, and the plug portion 12 surrounds and forms a first communication passage 13. The protective sleeve 20 is provided with a second communication channel 21 for accommodating the communication cable connector 200, the protective sleeve 20 comprises an inner shell 22 and an outer shell 23, the outer shell 23 comprises a head shell 231 and a tail shell 232, a locking space 220 is formed between the head shell 231 and the inner shell 22, and the plug part 12 is suitable for being inserted into the locking space 220; one end of the tail section shell 232, which is far away from the head section shell 231, extends to the outside of the inner shell 22, and an accommodating space is formed between the tail section shell 232 and the end of the inner shell 22, and one end of the tail section shell 232, which is far away from the head section shell 231, forms a contraction portion 2321. The latch mechanism 30 includes a movable member 31 mounted to the receptacle 12. A sealing plug 40 is installed to the second communication passage 21 with at least a portion of the sealing plug 40 being located in the accommodating space, the sealing plug 40 having a wire passing hole 41 through which the communication cable passes. When the outer housing 23 is moved axially in a direction approaching the communication box 300 to switch to a locked state, the head housing 231 pushes the movable element 31 to abut against the inner housing 22, and the contraction portion 2321 presses the sealing plug 40 to radially contract the threading hole 41 to compress the communication cable.

Note that the mounting portion 11 is mounted to the communication box 300, and axially moving the outer case 23 in a direction to approach the communication box 300 can also be expressed as axially moving the outer case 23 in a direction to approach the mounting portion 11; moving the outer housing 23 axially away from the communication box 300 can also be expressed as moving the outer housing 23 axially away from the mounting portion 11.

For convenience of description, an end of the connector 100 close to the communication box 300 is defined as a head end, and an end far from the communication box 300 is defined as a tail end.

It should be noted that during the process of moving the outer housing 23 relative to the inner housing 22 in the direction approaching the communication box 300 to the locking state, the head housing 231 pushes the movable member 31 to lock the inner housing 22, and the tail housing 232 pushes the sealing plug 40 to radially contract to press the communication cable. That is, in the preferred embodiment, one action can serve two purposes, facilitating installation and removal. Likewise, during the movement of the outer housing 23 relative to the inner housing 22 in a direction away from the communication box 300 into the unlocked state, the constriction 2321 releases the sealing plug 40 at the same time as the movable element 31 is released by the head housing 231.

Referring to fig. 1, the insertion part 12 is formed with an anti-rotation groove 120, the inner housing 22 is formed with an anti-rotation protrusion 221, and when the insertion part 12 is inserted into the locking space 220, the anti-rotation protrusion 221 is mounted in the anti-rotation groove 120 for preventing the inner housing 22 from rotating relative to the insertion part 12. In a variant embodiment, the plug-in part 12 is provided with an anti-rotation projection 221 and the inner housing 22 is provided with an anti-rotation slot 120.

Furthermore, the insertion part 12 is provided with an installation mark 121 corresponding to the anti-rotation groove 120 or the anti-rotation protrusion 221, and the installation mark 121 can mark the position of the anti-rotation groove 120 or the anti-rotation protrusion 221, so as to facilitate the insertion between the insertion part 12 and the inner shell 22.

Referring to fig. 4, the predetermined position of the inner housing 22 has a fixing pin 222, the predetermined position of the outer housing 23 has a guide groove 233, the fixing pin 222 is movably installed in the guide groove 233, and rotating the outer housing 23 relative to the inner housing 22 can control the axial movement of the outer housing 23. In a modified embodiment, the predetermined position of the inner case 22 is provided with a guide groove 233, and the predetermined position of the outer case 23 is provided with a fixing pin 222.

The guide groove 233 is an inclined groove provided in the outer housing 23, and the fixing pin 222 pushes the outer housing 23 to move axially while sliding in the extending direction of the guide groove 233 in the process of rotating the outer housing 23 relative to the inner housing 22. In some variant embodiments, the guide groove 233 can also be a straight groove located in the outer shell 23 and extending in the axial direction, pushing or pulling the outer shell 23 relative to the inner shell 22 controlling the axial movement of the outer shell 23.

Further, one end of the head section shell 231, which is far away from the communication box 300, is connected to one end of the tail section shell 232, which is close to the communication box 300, in a threaded manner, and the tail section shell 232 can be driven to move axially by rotating the head section shell 231. In some embodiments, the head housing 231 and the tail housing 232 can also be integrally connected, snap-fit connected, interference fit connected, etc., as long as the head housing 231 and the tail housing 232 can be driven to rotate together when the head housing 231 is rotated.

Referring to fig. 5 and 6, an end of the rear case 232 near the communication box 300 has a mounting notch 2320 communicating with the guide groove 233, and an end of the head case 231 remote from the communication box 300 is detachably coupled to an end of the rear case 232 near the communication box 300. The fixing pin 222 can be allowed to be disengaged from the guide groove 233 by the installation gap 2320, and the tail end housing 232 can be allowed to be disengaged from the inner housing 22.

Through detachably being connected between head section casing 231 and the tail section casing 232, can push away the movable part 31 and connect the state of inner casing 22 with tail section casing 232 follow inner casing 22 dismantlement under, be convenient for dismouting and maintenance.

Further, the rear ends of the guide grooves 233 are bent in the direction of the communication box 300 to form locking grooves 2330. When the connector 100 is in the locked state, the fixing pin 222 is located in the locking groove 2330, and has a tendency to push the tail housing 232 to move away from the communication box 300 under the elastic restoring force of the sealing plug 40, so that the fixing pin 222 abuts against the locking groove 2330, and the fixing pin 222 is firmly held in the locking groove 2330.

Referring to fig. 3, the preset position of the inner wall of the tail section housing 232 has a first limiting protrusion 241, the preset position of the inner housing 22 has a second limiting protrusion 242, the second limiting protrusion 242 is located on one side of the first limiting protrusion 241 close to the communication box 300, and during the movement of the tail section housing 232 to the direction close to the communication box 300, the second limiting protrusion 242 can abut against the first limiting protrusion 241 to limit the distance of the tail section housing 232 moving to the direction of the communication box 300.

Referring to fig. 3, the inner wall of the head housing 231 has a third stopper projection 243 at a predetermined position, and the inner housing 22 has a fourth stopper projection 244 corresponding to the predetermined position of the head housing 231. The third limiting projection 243 is located at a side of the fourth limiting projection 244 close to the communication box 300, and during the movement of the head segment housing 231 in a direction away from the communication box 300, the fourth limiting projection 244 can abut against the third limiting projection 243 to limit the distance that the head segment housing 231 moves in the direction away from the communication box 300.

Specifically, the inner housing 22 has a first section 223, a second section 224, and a third section 225 in order from the head end to the tail end. The height of the first section 223 is lower than that of the second section 224, a limit boss 226 is formed at the joint and is suitable for abutting against the end face of the plug-in part 12, and the anti-rotation bulge 221 is located at the first section 223. The fourth protrusion 244 is a convex ring located at the second section 224, and the third limit protrusion 243 and the fixing pin 222 are located at both sides of the convex ring, respectively. The third segment 225 has a height lower than that of the first segment 223, and the slope of the junction forms a second stopper protrusion 242.

Referring to fig. 3, 8 and 9, the connector 100 further includes a retracting claw 50, the outer side of the rear end of the inner housing 22 has a rotating groove 227, the head end of the retracting claw 50 has a snap joint 51, the snap joint 51 is rotatably mounted in the rotating groove 227, the rear end of the retracting claw 50 extends to between the sealing plug 40 and the rear housing 232, and the sealing plug 40 abuts against the end surface of the rear end of the inner housing 22.

In the process of rotating the outer housing 23 to control the outer housing 23 to move axially relative to the inner housing 22, the retracting claw 50 can effectively reduce the outer housing 23 from driving the sealing plug 40 to rotate, so that the communication cable in the sealing plug 40 can be reduced or prevented from being driven to rotate.

Referring to fig. 1, in particular, the insertion part 12 has a plurality of locking holes 122, a plurality of locking grooves 228 are formed at corresponding positions of the inner housing 22, and the movable member 31 is a plurality of claws mounted to the locking holes 122. In the unlocking state, at least one part of the claw protrudes out of the outer side surface of the insertion part 12, and the claw is positioned outside the locking groove 228; in the locked state, the head housing 231 abuts the pawl, pushing the pawl into the locking slot 228. In a modified embodiment, the movable element 31 can also be a ball mounted in the latching hole 122, and the movement of the ball can be controlled by an elastic element.

Referring to fig. 3, one end of the head section housing 231 near the communication box 300 is provided with an avoidance section 2311 and an abutment section 2312, a first space 2201 is formed between the avoidance section 2311 and the inner housing 22, a second space 2202 is formed between the abutment section 2312 and the inner housing 22, the radial size of the first space 2201 is larger than that of the second space 2202, in the unlocking state, the jaws are located in the first space 2201, and in the locking state, the jaws are located in the second space 2202.

In the process of installing the protective cover 20 on the base 10, the insertion portion 12 is inserted into the locking space 220, the anti-rotation protrusion 221 is inserted into the anti-rotation slot 120, the end surface of the insertion portion 12 abuts against the limiting protrusion 226 of the inner housing 22, and the movable member 31 is located in the first space 2201; rotating the head end housing 231 and driving the tail end housing 232 to move together in a direction close to the communication box 300, the movable element 31 moves into the second space 2202, the abutting section 2312 pushes the movable element 31 to be locked on the inner housing 22, and the tail end housing 232 presses the sealing plug 40 to shrink and press the communication cable in the threading hole 41.

Referring to fig. 10, further, the side wall of the sealing plug 40 has a threading opening 42 communicating with the threading hole 41. The communication cable can be loaded into the wire loading opening 42 through the wire loading opening 42, and the wire loading can be facilitated.

Referring to fig. 11 to 15, according to another aspect of the present invention, the present invention further provides a communication cable connection apparatus including: the connector 100, the communication cable connection assembly, and the communication box 300 of any of the above. The communication cable connecting assembly comprises a communication cable connector 200, a communication plug 400 and a communication cable 500, wherein the communication cable connector 200 is respectively connected to the communication plug 400 and the communication cable 500; the base 10 of the connector 100 is mounted on the communication box 300, the communication plug 400 is connected to the communication box 300, and the protective sleeve 20 of the connector 100 is sleeved on the outer side of the communication cable connector 200.

Referring to fig. 11, 14 and 15, the communication cable connecting device further includes a limiting block 600, the limiting block 600 is installed in the second communicating channel 21 of the protective sheath 20, a side wall of the second communicating channel 21 has a limiting protrusion 211, a head end of the limiting block 600 abuts against the communication cable connecting head 200, a tail end of the limiting block 600 abuts against the limiting protrusion 211, the limiting block 600 has a penetrating threading hole 601, and a side wall has an installation opening 602.

The end of the communication cable 500 is fixed to the tail end of the communication cable connector 200, and when the communication cable 500 is pulled, the communication cable connector 200 transmits force to the stopper 600, the stopper 600 transmits force to the inner housing 22, and the inner housing 22 transmits force to the base 10, so that the communication cable 500 can be effectively prevented from being pulled, and the tensile effect is effectively enhanced.

Referring to fig. 11 and 12, the communication cable connector 200 includes a first housing 201, a second housing 202, and an intermediate housing 203. The first housing 201 is adapted to hold the communication plug 400; the second housing 202 is adapted to secure the communication cable 500; the intermediate housing 203 is located between the first housing 201 and the second housing 202, and is fixed to the first housing 201 and the second housing 202, respectively; the communication cable connector 200 further has a wire accommodating space 204 penetrating the first housing 201, the intermediate housing 203, and the second housing 202. The middle shell 203 is a multilayer structure stacked along the length extending direction of the line accommodating space 204, the middle shell 203 further comprises connecting ribs 2032 for connecting adjacent layers 2031, along the length extending direction of the line accommodating space 204, the adjacent connecting ribs 2032 are arranged in a staggered manner, and a gap outside the connecting ribs 2032 between adjacent layers provides a bidirectional adjusting space.

The outer side surface of the second housing 202 has a limiting guide 2021, the limiting block 600 has a limiting sliding groove 603, the limiting block 606 is sleeved on the outer side of the second housing 202, the limiting guide 2021 is installed in the limiting sliding groove 603, and the limiting block 600 can be prevented from rotating relative to the second housing 202 by the cooperation between the limiting guide 2021 and the limiting sliding groove 603.

It should be noted that the above embodiments can be freely combined as necessary. The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and embellishments can be made without departing from the principle of the present invention, and these modifications and embellishments should also be regarded as the protection scope of the present invention.

Claims (15)

1. A connector, comprising:

the base is provided with a mounting part and an inserting part, and the inserting part surrounds to form a first communication channel;

the protective sleeve is provided with a second communication channel and comprises an inner shell and an outer shell, the outer shell comprises a head section shell and a tail section shell, a locking space is formed between the head section shell and the inner shell, and the inserting part is suitable for being inserted into the locking space; one end, far away from the head section shell, of the tail section shell axially extends to the outer side of the inner shell, an accommodating space is formed between the tail section shell and the end part of the inner shell, and a contraction part is formed at one end, far away from the head section shell, of the tail section shell;

the locking mechanism comprises a movable piece arranged on the insertion part;

a sealing plug mounted to the second communication passage and having at least a portion thereof located in the accommodating space, the sealing plug having a wire passing hole through which a communication cable passes;

to being close to the direction axial displacement of installation department the shell body switches to the locking state, the head casing promotes the moving part butt in interior casing, the extrusion of shrink portion the sealing plug makes the through wires hole radially contracts and compresses tightly communication cable.

2. The connector of claim 1, wherein the insertion part is provided with an anti-rotation groove, and the inner housing is provided with an anti-rotation projection; or, the insertion part is provided with an anti-rotation bulge, and the inner shell is provided with an anti-rotation groove; when the inserting part is inserted into the locking space, the anti-rotation bulge is arranged in the anti-rotation groove.

3. The connector according to claim 2, wherein the predetermined position of the inner housing has a fixing pin, and the predetermined position of the outer housing has a guide groove; or, the preset position of the inner shell is provided with a guide groove, and the preset position of the outer shell is provided with a fixing pin; the fixed pin movably installs in the guiding groove, for interior casing rotates the shell body can control shell body axial displacement.

4. The connector of claim 3, wherein one end of the head housing, which is far away from the mounting portion, is in threaded connection with one end of the tail housing, which is close to the mounting portion, and the head housing is rotated to drive the tail housing to move axially.

5. The connector of claim 4, wherein the end of the tail section housing close to the mounting portion is provided with a mounting notch communicated with the guide groove, the end of the head section housing far away from the mounting portion is detachably connected to the end of the tail section housing close to the mounting portion, and the end of the guide groove far away from the mounting portion extends towards the mounting portion to form a locking groove.

6. The connector of claim 5, wherein the predetermined position of the inner wall of the tail section shell has a first limit protrusion, the predetermined position of the inner shell has a second limit protrusion, the second limit protrusion is located at one side of the installation part close to the first limit protrusion, and in the process of the tail section shell moving towards the direction close to the installation part, the second limit protrusion can abut against the first limit protrusion to limit the distance of the tail section shell moving towards the direction of the installation part.

7. The connector of claim 6, wherein a preset position of the inner wall of the head section shell is provided with a third limiting protrusion, the inner shell is provided with a fourth limiting protrusion corresponding to the preset position of the head section shell, the third limiting protrusion is located on one side of the mounting portion, the fourth limiting protrusion is close to one side of the mounting portion, and in the process that the head section shell moves in the direction away from the mounting portion, the fourth limiting protrusion can be abutted against the third limiting protrusion to limit the distance that the head section shell moves in the direction away from the mounting portion.

8. The connector of claim 7, wherein the inner housing has a first section, a second section and a third section in sequence from the head end to the tail end, the first section is lower than the second section and forms a limit boss at the joint, the limit boss is suitable for abutting against the end surface of the insertion part, and the anti-rotation protrusion is located at the first section;

the fourth limiting bulge is a convex ring positioned on the second section, and the third limiting bulge and the fixing pin are respectively positioned on two sides of the convex ring;

the height of the third section is lower than that of the first section, and the inclined plane at the joint forms the second limiting protrusion.

9. The connector of claim 5, further comprising a retracting claw, wherein the outer side of the tail end of the inner housing has a rotating groove, the head end of the retracting claw has a snap head, the snap head is rotatably mounted in the rotating groove, the tail end of the retracting claw extends to between the sealing plug and the tail section housing, and the sealing plug abuts against the end surface of the tail end of the inner housing.

10. The connector according to any one of claims 1 to 9, wherein the insertion portion has a plurality of locking holes, the inner housing has a plurality of locking grooves at corresponding positions, and the movable member is a plurality of claws mounted to the locking holes;

in an unlocking state, at least one part of the clamping jaw protrudes out of the outer side face of the insertion part, and the clamping jaw is positioned outside the locking groove; in a locking state, the head section shell is abutted to the clamping jaw to push the clamping jaw to move into the locking groove.

11. The connector of claim 10, wherein an end of the head section housing near the mounting portion has an avoidance section and an abutment section, a first space is formed between the avoidance section and the inner housing, a second space is formed between the abutment section and the inner housing, a radial dimension of the first space is greater than a radial dimension of the second space, the pawl is located in the first space in the unlocked state, and the pawl is located in the second space in the locked state.

12. The connector of claim 11, wherein the side wall of the sealing plug has a threading opening communicating with the threading hole.

13. A communication cable connection device, comprising:

the connector of any one of claims 1-12;

the communication cable connecting assembly comprises a communication cable connector, a communication plug and a communication cable, wherein the communication cable connector is respectively connected to the communication plug and the communication cable;

the base of the connector is mounted on the communication box, the communication plug is connected to the communication box, and the protective sleeve of the connector is sleeved on the outer side of the communication cable connector.

14. The communication cable connecting device according to claim 13, further comprising a limiting block, wherein the limiting block is installed in the second communicating channel of the protective sleeve, the side wall of the second communicating channel has a limiting protrusion, the head end of the limiting block abuts against the communication cable connector, the tail end of the limiting block abuts against the limiting protrusion, the limiting block has a through threading hole, and the side wall has an installation opening.

15. The communication cable connection device according to claim 13, wherein the communication cable connector comprises:

a first housing adapted to secure the communication plug;

a second housing adapted to secure the communication cable;

an intermediate case located between the first case and the second case and fixed to the first case and the second case, respectively;

the communication cable connector is also provided with a wire accommodating space which penetrates through the first shell, the middle shell and the second shell;

the middle shell is of a multilayer structure which is arranged in a laminated mode along the length extending direction of the line accommodating space, the middle shell further comprises connecting ribs which are connected with adjacent layers, the adjacent connecting ribs are arranged in a staggered mode along the length extending direction of the line accommodating space, and a bidirectional adjusting space is provided for a gap between the adjacent layers outside the connecting ribs.

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