CN115267979B

CN115267979B - Optical fiber connector

Info

Publication number: CN115267979B
Application number: CN202210934643.8A
Authority: CN
Inventors: 付敏; 袁作
Original assignee: Shanghai Xinguan Network Technology Co ltd
Current assignee: Shanghai Xinguan Network Technology Co ltd
Priority date: 2022-08-04
Filing date: 2022-08-04
Publication date: 2023-09-22
Anticipated expiration: 2042-08-04
Also published as: CN115267979A

Abstract

The invention provides an optical fiber connector, and belongs to the technical field of optical fiber transmission. The optical fiber connector comprises a connecting box made of hard materials, an outer cover, two pushing mechanisms, two clamping mechanisms and two optical fiber structures, wherein the connecting box is arranged in an electric cabinet, the two pushing mechanisms are inserted into the connecting box, the two optical fiber structures are respectively connected to two opposite ends of the connecting box, each optical fiber structure comprises a protective outer cylinder, a protective sleeve and a cable, the protective outer cylinder is inserted into the end part of the connecting box, the protective sleeve is inserted into the protective outer cylinder, the cable is inserted into the protective sleeve, the two clamping mechanisms are all arranged above the connecting box, and the two pushing mechanisms are respectively arranged at two ends of the connecting box. The cable is in the inside intercommunication of connecting box, and transmission data, enclosing cover can be used for sheltering from the dust, can also support clamping mechanism, prevents that the cable from being pulled back and being pulled out, and push out the mechanism and be used for pushing out the cable, convenient and fast, simple structure, clamping mechanism is used for pressing from both sides tight protection urceolus, prevents that the cable from being pulled back and being pulled out.

Description

Optical fiber connector

Technical Field

The invention relates to the technical field of optical fiber transmission, in particular to an optical fiber connector.

Background

The optical fiber is applied to various occasions, and is influenced by the external environment after the optical fiber is arranged. Particularly, the exposed part of the optical fiber is often pulled after the installation is completed, so that the optical fiber is separated or the optical fiber butt joint is deviated, and the transmission signal is disappeared or unstable.

The optical fiber is easy to damage in the process of disassembling and assembling the optical fiber, the optical fiber is extremely easy to damage due to improper force in the process of disassembling and assembling the optical fiber, and transmission signals disappear or are unstable. How to design a safe and efficient scheme aiming at the difficulty of the optical fiber pulling and inserting operation becomes a difficult problem of daily power communication maintenance. When the power communication service is changed, certain potential safety hazards exist in the mode of pulling and inserting the optical fiber by hand by maintenance personnel, and the operation is not in line with the spirit of safe operation.

Disclosure of Invention

The invention aims to solve at least one technical problem by providing an optical fiber connection box which is not easy to fall off and is easy to fall off.

The utility model provides an optical fiber connector, including the junction box that hard material was made, the enclosing cover, two push-out mechanism, two clamping mechanism and two optical fiber structure, the junction box is installed in the electric cabinet, the enclosing cover rotates to be installed in the oblique top of junction box, two push-out mechanism all insert and establish the inside at the junction box, two optical fiber structure connect respectively at the opposite both ends of junction box, every optical fiber structure includes the protection urceolus, sheath and cable, the tip at the junction box is inserted to the protection urceolus, the sheath is inserted and is established inside the protection urceolus, the cable is inserted and is established at the inside of sheath and its tip is inserted at the center of junction box, two clamping mechanism all install in the top of junction box for chucking protection urceolus, two push-out mechanism are installed respectively at the both ends of junction box, and be connected with two clamping mechanism respectively.

The cable is in the inside intercommunication of connecting box, and transmission data, and the enclosing cover not only can be used for sheltering from the dust, can also support clamping mechanism, prevents that the cable from being pulled out after drawing, and push mechanism is used for pushing out the cable, convenient and fast, simple structure, and clamping mechanism is used for pressing from both sides tight protection urceolus, prevents that the cable from being pulled out after drawing.

In one embodiment, a clamping groove is formed above each end of the connection box, fiber core grooves are formed in the connection box, two ends of each fiber core groove are respectively communicated with two opposite end faces of the connection box, circular inserting grooves are formed in two ends of the connection box, an pushing groove and a vertical containing groove are formed in one side of each of the two inserting grooves, the pushing groove is arranged on one side of the inserting groove facing the central axis of the connection box, the vertical containing groove is arranged on one side of the pushing groove facing away from the central axis of the connection box, the upper end of the vertical containing groove is communicated with the surface of the connection box, the lower end of the vertical containing groove is communicated with the end of the pushing groove, a through groove is formed on one side of the inserting groove facing away from the central axis of the connection box, the clamping groove is arranged on one side of the clamping groove facing the central axis of the connection box, and one end of the clamping groove is communicated with the through groove.

In one embodiment, the outer cover comprises a rectangular frame-shaped cover plate, two protruding blocks, clamping plates and a connecting shaft, wherein the two protruding blocks are arranged inside the cover plate and are respectively located on two opposite sides of the cover plate, the clamping plates are arranged on one side, far away from the connecting box, of the cover plate, the connecting shaft is arranged on the edge of the connecting box, the cover plate is connected with the edge of the connecting box in a rotating mode through the connecting shaft, and the connecting shaft is parallel to the cable.

The outer cover can be opened or closed, the pushing mechanism and the clamping mechanism can be operated under the opening state, so that the cable is easier to separate from the connection box, and under the closing condition, the cover plate can cover the upper part of the connection box, and the protruding block props against the clamping mechanism to prevent the cable from being pulled out after being pulled.

In one embodiment, each pushing mechanism comprises a descending component and a pushing component, wherein the descending component is arranged above the connecting box and inserted into the vertical accommodating groove, and the pushing component is connected to the lower end of the descending component and is abutted to the sheath. The descending component descends and simultaneously extrudes the pushing component, and the pushing component pushes out the connecting box to push out the cable.

In one embodiment, each descending assembly comprises a key, a supporting plate, a linkage block, a descending column and two descending rods, the key is arranged above the clamping mechanism, the supporting plate is connected with the key, the upper end of the linkage block is connected with one end of the supporting plate, the lower end of the linkage block is propped against the clamping mechanism, the descending column is inserted into the vertical accommodating groove and the lower end of the descending column is inserted into the pushing groove, the upper end of each descending rod is connected with one end, away from the linkage block, of the supporting plate, the lower end of each descending rod is connected with the descending column, a moving groove is further formed in the descending column, and the moving groove penetrates through the upper end and the lower end of the descending column.

The vertical holding tank is used for holding the post that descends, and the extrapolation groove is used for holding the subassembly that pushes away, and the linkage piece is pushed down the back at the button, and then descends together, and the clamping mechanism can be extruded to the below of linkage piece when descending, makes its slope, and on the other hand, descending pole and post that descends also can follow the decline, forces pushing out the mechanism action, pushes out the cable.

In one embodiment, the push-out assembly comprises an upper ejector rod, a lower ejector rod and a fixed rod, wherein the upper end of the upper ejector rod is hinged with the lower end of the descending column, the upper end of the lower ejector rod is hinged with the lower end of the upper ejector rod, the fixed rod is arranged in the moving groove of the descending column in a penetrating mode, the upper end of the fixed rod is connected with the clamping mechanism, the lower end of the fixed rod is inserted in the push-out groove and fixedly connected with the bottom wall of the push-out groove, and the lower end of the lower ejector rod is hinged with the lower end of the fixed rod.

When the descending column descends, the upper ends of the upper ejector rods are driven to downwards together, so that the upper ejector rods are contracted downwards to close to the lower ejector rods, the sheath is pushed outwards, the cable is pushed out, and the cable can be operated by one hand, and is simple and convenient.

In one embodiment, each clamping mechanism comprises a clamping rod, a pivot and a spring, wherein the clamping rod is arranged above the connecting box, the pivot is arranged in the middle of the clamping rod and is connected with the upper end of the fixing rod in a rotating mode, the upper end of the spring is connected with the clamping rod, the lower end of the spring is connected with the connecting box, the clamping rod is connected on the pivot in a rotating mode, one end, far away from the linkage block, of the clamping rod is provided with a clamping hook, the clamping hook is inserted into the clamping groove, the cover plate is used for covering the upper side of the connecting box, so that the two protruding blocks are respectively abutted to the two clamping rods to be far away from the end part of the linkage block, the clamping rod comprises a downward end and an upward end which are oppositely arranged, the downward end is arranged below the linkage block, the clamping hook is arranged below the upward end, the linkage block is used for extruding the downward end downwards, so that the upward end is lifted up, the protective outer cylinder is released, and the spring is positioned on one side, close to the clamping rod, namely, is arranged with the pivot in a shifting mode, when the downward end is stressed, the clamping hook can be lifted up in a rotating mode.

When the cable is inserted, the clamping rod can move upwards, the spring stretches, when the cable reaches a target position, the spring can shrink and recover, the clamping rod can downwards, the clamping hook can clamp the protection outer cylinder, the cable is prevented from being pulled out suddenly, when the descending assembly descends, the linkage block downwards extrudes the lower end, the upper end can be tilted, and therefore the clamping hook can be separated from the protection outer cylinder. When the outer cover is closed, the lug is abutted against the upper end, so that the cable is prevented from being pulled out suddenly.

In one embodiment, the upper part of the protection outer barrel is provided with a clamping groove, the clamping groove is arranged on one side of the protection outer barrel away from the central axis of the cable, the clamping groove is aligned and communicated with the lower part of the clamping groove, the protection outer barrel is sleeved with the end part of the cable and is fixed in the through groove of the connecting box, and the clamping groove is used for clamping the clamping hook into the protection outer barrel.

In one embodiment, the cable comprises a sheath and a wire core, wherein the sheath is inserted into the inner layer of the sheath, and the wire core is inserted into the fiber core groove of the connection box and is abutted against the wire core of the other optical fiber structure. The wire core is connected in the fiber core slot to transmit signals.

In one embodiment, the sheath is mounted on one side of the cable facing the central axis of the connection box and inserted into the insertion groove, one side of the sheath facing the central axis of the connection box is also provided with a positioning groove, and the hinge part of the upper ejector rod and the lower ejector rod is abutted on the arch positioning part in the positioning groove so as to press the arch positioning part to deform and emit positioning sound. The positioning groove is used for positioning, and the positioning sound indicates that the cable has reached the position of target.

Compared with the prior art, the invention has the beneficial effects that: the outer cover can prop against the clamping mechanism, and the clamping hook clamps the clamping groove, so that the cable is not easy to break away under external force, and the stability of the transmission signal is maintained. After the spring can be pulled, the clamping hook of the clamping rod clamps the clamping groove. The descending assembly can be operated by one hand, so that the clamping hook is separated from the clamping groove, the sheath is pushed outwards by the pushing assembly, and the cable is separated from the connecting box, so that the structure is simple and the use is convenient.

Drawings

FIG. 1 is a schematic top plan view of the present invention;

FIG. 2 is a schematic view of a front view plane structure of the present invention;

FIG. 3 is a schematic side view of the present invention;

FIG. 4 is a schematic cross-sectional view of the structure of the invention taken along line A-A of FIG. 3;

FIG. 5 is a schematic view of a partial enlarged structure of the present invention at A in FIG. 4;

FIG. 6 is a schematic cross-sectional view of the drop post of FIG. 5 according to the present invention;

FIG. 7 is a schematic perspective view of the connection box of the present invention;

FIG. 8 is a schematic view of a partially enlarged structure of the present invention at B in FIG. 7;

FIG. 9 is a schematic cross-sectional view of the structure of the present invention taken along line B-B in FIG. 3.

The specific embodiment is as follows:

the following description of the embodiments of the present invention, taken in conjunction with the accompanying drawings, will be clearly and fully described in terms of the drawings, wherein the embodiments described are some, but not all, of the embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present invention without making any inventive effort, are intended to fall within the scope of the present invention.

In the description of the present invention, it should be noted that unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "connected" should be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases to those skilled in the art.

An embodiment of the present invention, as shown in fig. 1 to 9, is an optical fiber connector, which comprises a connection box 40 made of hard materials, an outer cover 60, two push-out mechanisms 70, two clamping mechanisms 50 and two optical fiber structures, wherein the connection box 40 is installed in an electric cabinet, the outer cover 60 is rotatably installed obliquely above the connection box 40, the two push-out mechanisms 70 are inserted into the connection box 40, the two optical fiber structures are respectively connected to opposite ends of the connection box 40, each optical fiber structure comprises a protection outer barrel 30, a sheath 20 and a cable 10, the protection outer barrel 30 is inserted into an end part of the connection box 40, the sheath 20 is inserted into the protection outer barrel 30, the cable 10 is inserted into the sheath 20 and the end part of the cable is inserted into the center of the connection box 40, the two clamping mechanisms 50 are installed above the connection box 40 for clamping the protection outer barrel 30, and the two push-out mechanisms 70 are respectively installed at two ends of the connection box 40 and are respectively connected with the two clamping mechanisms 50.

The cable 10 is communicated in the connecting box 40 to transmit data, the outer cover 60 not only can be used for shielding dust, but also can prop against the clamping mechanism 50, the clamping mechanism 50 clamps the protective outer cylinder 30 to prevent the cable 10 from being pulled out after being pulled, the pushing mechanism 70 is propped against the sheath 20 to push out the cable 10, and the cable pushing device is convenient and quick in structure, simple in structure, and the clamping mechanism 50 is used for clamping the protective outer cylinder 30 to prevent the cable 10 from being pulled out after being pulled.

As shown in fig. 5 and 9, a clamping groove 41 is formed above each end of the connection box 40, a fiber core groove 43 is formed in the connection box 40, two ends of the fiber core groove 43 respectively penetrate through two opposite end surfaces of the connection box 40, a circular insertion groove 44 is formed in two ends of the connection box 40, an push-out groove 45 and a vertical containing groove 47 are formed on one side of the two insertion grooves 44 facing each other, the push-out groove 45 is arranged on one side of the insertion groove 44 facing the central axis of the connection box 40, the vertical containing groove 47 is arranged on one side of the push-out groove 45 facing away from the central axis of the connection box 40, the upper end of the vertical containing groove 47 penetrates through the surface of the connection box 40, the lower end of the vertical containing groove 47 is communicated with the end of the push-out groove 45, a passing groove 46 is formed on one side of the insertion groove 44 facing away from the central axis of the connection box 40, the push-out groove 46 is arranged on one side of the clamping groove 41 facing the central axis of the connection box 40, and the other end of the clamping groove 41 penetrates through the surface of the connection box 40, and the passing through the groove 46.

As shown in fig. 5 and 6, the outer cover 60 includes a rectangular frame-shaped cover plate 64, two protruding blocks 61, a clamping plate 63 and a connecting shaft 62, wherein the two protruding blocks 61 are disposed inside the cover plate 64 and are respectively located at two opposite sides of the cover plate 64, the clamping plate 63 is disposed at one side of the cover plate 64 away from the connecting box 40, the connecting shaft 62 is disposed at the edge of the connecting box 40, the cover plate 64 is rotatably connected with the edge of the connecting box 40 through the connecting shaft 62, and the connecting shaft 62 is parallel to the cable 10.

The outer cover 60 can be opened or closed, and the push-out mechanism 70 and the clamping mechanism 50 can be operated under the opened state, so that the cable 10 can be more easily pulled out from the connection box 40, and under the closed condition, the cover plate 64 can cover the upper part of the connection box 40, the clamping plate 63 can be clamped at the edge of the connection box 40, and the protruding block 61 is propped against the clamping mechanism 50 to prevent the cable 10 from being pulled out after being pulled.

As shown in fig. 2 and 5, each push-out mechanism 70 includes a descending assembly 71 and a push-out assembly 77, wherein the descending assembly 71 is mounted above the connection box 40 and inserted into the vertical accommodating groove 47, and the push-out assembly 77 is connected to the lower end of the descending assembly 71 and abuts against the sheath 20. The lowering assembly 71 lowers while pressing the push-out assembly 77, and the push-out assembly 77 pushes out, pushing out the cable 10.

As shown in fig. 4 and 5, each descending assembly 71 includes a key 711, a support plate 712, a linkage block 713, a descending column 715 and two descending rods 714, the key 711 is mounted above the clamping mechanism 50, the support plate 712 is connected with the key 711, the upper end of the linkage block 713 is connected with one end of the support plate 712, the lower end of the linkage block 713 is propped against the clamping mechanism 50, the descending column 715 is inserted into the vertical accommodating groove 47 and the lower end thereof is inserted into the push-out groove 45, the upper end of each descending rod 714 is connected with one end of the support plate 712 far away from the linkage block 713, the lower end is connected with the descending column 715, a moving groove 751 is further formed in the descending column 715, and the moving groove 751 penetrates through the upper end and the lower end of the descending column 715.

The vertical receiving groove 47 is used for receiving the descending post 715, the pushing groove 45 is used for receiving the pushing component 77, the linkage block 713 descends together after the key 711 is pressed down, the linkage block 713 presses the clamping mechanism 50 to incline during descending, and on the other hand, the descending rod 714 and the descending post 715 descend together, so that the pushing mechanism 70 is forced to act to push the sheath 20 out until the cable 10 is pulled out of the connection box 40.

As shown in fig. 5 and 6, the extrapolation assembly 77 includes an upper ejector rod 771, a lower ejector rod 772 and a fixing rod 773, the upper end of the upper ejector rod 771 is hinged with the lower end of the descending column 715, the upper end of the lower ejector rod 772 is hinged with the lower end of the upper ejector rod 771, the fixing rod 773 is inserted into the moving groove 751 of the descending column 715, the upper end of the fixing rod 773 is connected with the clamping mechanism 50, the lower end of the fixing rod 773 is inserted into the extrapolation groove 45 and fixedly connected with the bottom wall of the extrapolation groove 45, and the lower end of the lower ejector rod 772 is hinged with the lower end of the fixing rod 773.

The upper ejector rod 771 and the lower ejector rod 772 are accommodated in the push-out groove 45, and when the descending post 715 descends, the upper ejector rod 771 is driven to descend together, so that the upper ejector rod 771 and the lower ejector rod 772 shrink together to draw together, the sheath 20 is pushed outwards, the cable 10 is pushed out, and the operation can be performed by one hand, and the push-out device is simple and convenient.

As shown in fig. 4 and 5, each clamping mechanism 50 includes a clamping rod 51, a pivot 52 and a spring 53, the clamping rod 51 is disposed above the connecting box 40, the pivot 52 is mounted in the middle of the clamping rod 51 and is rotatably connected with the upper end of the fixed rod 773, the upper end of the spring 53 is connected with the clamping rod 51, the lower end of the spring 53 is connected with the connecting box 40, the clamping rod 51 is rotatably connected to the pivot 52, a hook 510 is formed at one end of the clamping rod 51 far from the linkage block 713, the hook 510 is inserted into the clamping groove 41, the cover plate 64 is used for covering the upper side of the connecting box 40, so that the two lugs 61 respectively abut against the ends of the two clamping rods 51 far from the linkage block 713, the clamping rod 51 includes a downward end 511 and an upward end 512 which are oppositely disposed, the downward end 511 is mounted below the linkage block 713, the hook 510 is mounted below the upward end 512, the linkage block 713 is used for pressing the downward end 511, thereby raising the upward end 512 to release the protective outer cylinder 30, and the spring 53 is located at one side of the clamping rod 51 near the hook 510, namely, is offset from the pivot 52, so that the downward end 511 can be raised upwards when stressed.

When the cable 10 is inserted, the clamping rod 51 moves upwards, the spring 53 stretches, when the cable 10 reaches the target position, the spring 53 contracts and recovers, the clamping rod 51 moves downwards, the clamping hook 510 abuts against the protective outer cylinder 30, the cable 10 is prevented from being pulled out suddenly, when the descending assembly 71 descends, the linkage block 713 presses the lower end 511 downwards, the upper end 512 tilts, and the clamping hook 510 is separated from the protective outer cylinder 30. When the cover 60 is closed, the projection 61 abuts against the upper end 512, preventing the cable 10 from coming out after being suddenly pulled.

As shown in fig. 5 and fig. 5, a clamping groove 31 is formed in the upper portion of the protection outer barrel 30, the clamping groove 31 is formed in one side, away from the central axis of the cable 10, of the protection outer barrel 30, the clamping groove 31 is aligned to communicate with the lower portion of the clamping groove 41, the protection outer barrel 30 is sleeved and fixed at the end portion of the cable 10 and is inserted into the through groove 46 of the connection box 40, and the clamping groove 31 is used for clamping the protection outer barrel 30 by the clamping hook 510.

As shown in fig. 4, 7 and 9, the cable 10 includes a sheath 11 and a core 12, the sheath 11 is inserted into the inner layer of the sheath 20, and the core 12 is inserted into the core groove 43 of the connection box 40 and abuts against the core 12 of the other optical fiber structure. The wire core 12 is connected in the core slot 43 to transmit signals.

As shown in fig. 5 and fig. 7 to 8, the sheath 20 is mounted on a side of the cable 10 facing the central axis of the connection box 40 and is inserted into the insertion groove 44, a positioning groove 21 is further formed on a side of the sheath 20 facing the central axis of the connection box 40, an elastic positioning piece is disposed on a side wall of each positioning groove 21, an arch positioning portion is further mounted on the elastic positioning piece, and a hinge joint portion between the upper ejector rod 771 and the lower ejector rod 772 is abutted on an arch positioning portion (not shown) in the positioning groove 21 so as to press the arch positioning portion to deform and emit positioning sound. The positioning groove 21 is used for positioning, and the positioning sound indicates that the cable 10 has reached the target position. 1-4 and 579, the left side is in a pressed state and the right side is in an unpressed state, only for illustrating the structure of the present invention, and in actual use, both will be pressed or released simultaneously.

The installation process comprises the following steps: the connection box 40 is installed in the electric cabinet, the enclosing cover 60 rotates to be installed in the oblique top of connection box 40, two extrapolation mechanisms 70 are all inserted in the inside of connection box 40, two optical fiber structures are connected at the opposite both ends of connection box 40 respectively, protection urceolus 30 is inserted in the tip of connection box 40, sheath 20 is inserted in protection urceolus 30, cable 10 is inserted in sheath 20 and its tip is inserted in the center of connection box 40, two clamping mechanisms 50 are all installed in the top of connection box 40, two extrapolation mechanisms 70 are installed at the both ends of connection box 40 respectively, and be connected with two clamping mechanisms 50 respectively. The two protruding blocks 61 are installed inside the cover plate 64 and are respectively located on two opposite sides of the cover plate 64, the clamping plates 63 are installed on one side, far away from the connection box 40, of the cover plate 64, the connection shaft 62 is installed on the edge of the connection box 40, the cover plate 64 is rotatably connected with the edge of the connection box 40 through the connection shaft 62, and the connection shaft 62 is parallel to the cable 10. The descent component 71 is installed above the connection box 40 and inserted into the vertical accommodation groove 47, and the extrapolation component 77 is connected to the lower end of the descent component 71 and abuts on the sheath 20. The button 711 is installed in the top of clamping mechanism 50, backup pad 712 links to each other with button 711, the upper end of linkage piece 713 links to each other with the one end of backup pad 712, the lower extreme of linkage piece 713 supports to be held on clamping mechanism 50, descending post 715 inserts and locates in vertical holding tank 47 and its lower extreme inserts and locates in push-out groove 45, the upper end of each descending post 714 links to each other with the one end that backup pad 712 kept away from linkage piece 713, the lower extreme links to each other with descending post 715, still set up the movable groove 751 in the descending post 715, the movable groove 751 runs through the upper and lower both ends of descending post 715. The fixed rod 773 is installed in the moving groove 751 of the descending post 715, the upper end of the fixed rod 773 is connected with the clamping mechanism 50, the lower end of the fixed rod 773 is inserted into the push-out groove 45 and fixedly connected with the bottom wall of the push-out groove 45, the clamping rod 51 is installed above the connecting box 40, the pivot 52 is installed in the middle of the clamping rod 51 and rotatably connected with the upper end of the fixed rod 773, the clamping rod 51 is rotatably connected to the pivot 52, the upper end of the spring 53 is connected with the clamping rod 51, the lower end of the spring is connected with the connecting box 40, the clamping hook 510 is inserted into the clamping groove 41, the downward end 511 is installed below the linkage block 713, and the clamping hook 510 is installed below the upper end 512. The protection outer cylinder 30 is sleeved and fixed at the end part of the cable 10, the outer skin 11 is inserted in the inner layer of the sheath 20, the wire core 12 is inserted in the fiber core groove 43 of the connection box 40 and is abutted against the wire core 12 of the other fiber structure, the sheath 20 is installed at one side of the cable 10 facing the central axis of the connection box 40 and is inserted in the insertion groove 44, the elastic positioning piece is installed on the side wall of the positioning groove 21, and the arch positioning part is installed on the elastic positioning piece.

When the cable 10 is used, the outer cover 60 is opened, the protective outer cylinder 30 is inserted into the connecting box 40, the protective outer cylinder 30 is pushed forward against the inclined surface of the upper end 512, the upper end 512 is lifted upwards, the spring 53 is stretched, when a positioning sound is heard, the cable 10 reaches a target position, the elastic positioning piece in the positioning groove 21 is deformed, the hinge joint of the upper ejector rod 771 and the lower ejector rod 772 is abutted to the arched positioning part in the positioning groove 21, the clamping rod 51 is downwards influenced by the restoring force of the spring 53, the clamping hook 510 clamps the clamping groove 31, the outer cover 60 is closed, the protruding block 61 is pushed against the clamping rod 51, and the cable 10 is prevented from being pulled out.

When the cable 10 is pulled out, the outer cover 60 is opened, the key 711 is pressed, the supporting plate 712, the descending rod 714, the descending column 715 and the linkage block 713 are downward together, the linkage block 713 presses the downward lower end 511 downward, the upward end 512 is tilted, the clamping hook 510 is separated from the clamping groove 31, the descending column 715 drives the upper ejector rod 771 to move downward while the descending column 715 is downward, and the lower end of the upper ejector rod 771 and the upper end of the lower ejector rod 772 are ejected out of the sheath 20 until the cable 10 is pulled out.

When the cable 10 is pulled suddenly, the hook 510 will clamp the clamping groove 31, and the bump 61 will abut against the clamping rod 51, preventing the cable from being pulled out, and maintaining stable signal transmission.

The beneficial effects are that: the clamping hook 510 clamps the clamping groove 31 when being pulled, the convex block 61 can prop against the clamping rod 51, the cable 10 is prevented from being pulled out, and stable signal transmission is maintained. The cover plate 64 can cover the upper portion of the connection box 40 to prevent dust from entering and contaminating, and the projection 61 can abut against the upward end 512 to prevent the cable 10 from being pulled out after being pulled. The link block 713 of the descent component 71 may press the downward end 511 downward, and the upward end 512 may tilt, so that the hook 510 may be separated from the locking groove 31. The upper and lower rams 771, 772 of the push-out assembly 77 may push out the cable 10 while descending with the lowering assembly 71. The cable 10 also emits a locating sound when it is inserted in place, alerting the user. The invention has simple structure, can be operated by one hand, is connected and fastened, can prevent the cable 10 from falling off when being pulled suddenly, and can maintain stable signal transmission.

The above-described embodiments are provided to further explain the objects, technical solutions, and advantageous effects of the present invention in detail. It should be understood that the foregoing is only illustrative of the present invention and is not intended to limit the scope of the present invention. It should be noted that any modifications, equivalent substitutions, improvements, etc. made by those skilled in the art without departing from the spirit and principles of the present invention are intended to be included in the scope of the present invention.

Claims

1. An optical fiber connector, characterized in that: comprises a connecting box (40) made of hard materials, an outer cover (60), two pushing mechanisms (70), two clamping mechanisms (50) and two optical fiber structures, wherein the connecting box (40) is arranged in an electric cabinet, the outer cover (60) is rotationally arranged above the connecting box (40), the two pushing mechanisms (70) are respectively inserted into the connecting box (40), the two optical fiber structures are respectively connected with the two opposite ends of the connecting box (40), each optical fiber structure comprises a protective outer barrel (30), a sheath (20) and a cable (10), the protective outer barrel (30) is inserted into the end part of the connecting box (40), the sheath (20) is inserted into the protecting outer barrel (30), the cable (10) is inserted into the inside of the sheath (20) and the end part of the cable is inserted into the center of the connecting box (40), the two clamping mechanisms (50) are respectively arranged above the connecting box (40) and used for clamping the protective outer barrel (30), the two clamping mechanisms (70) are respectively arranged at the two ends of the connecting box (40) and are respectively provided with two clamping grooves (41), the two ends of the fiber core groove (43) are respectively communicated with two opposite end surfaces of the connecting box (40), round inserting grooves (44) are respectively formed in the two ends of the connecting box (40), pushing grooves (45) and vertical containing grooves (47) are respectively formed on one side, facing each other, of the inserting grooves (44), the pushing grooves (45) are arranged on one side, facing the inserting grooves (44), of the central axis of the connecting box (40), the vertical containing grooves (47) are arranged on one side, facing away from the pushing grooves (45), of the central axis of the connecting box (40), the upper ends of the vertical containing grooves (47) are communicated with the surfaces of the connecting box (40), the lower ends of the vertical containing grooves (47) are communicated with the ends of the pushing grooves (45), through grooves (46) are formed on one side, facing away from the central axis of the connecting box (40), the through grooves (46) are arranged on one side, facing the central axis of the clamping grooves (41), one end of the clamping grooves (41) is communicated with the surfaces of the connecting box (40), the other ends of the clamping grooves (41) are communicated with the two cover plates (62) through the rectangular grooves (64), the two cover plates (61), the two protruding blocks (61) are arranged inside the cover plate (64) and are respectively positioned on two opposite sides of the cover plate (64), the clamping plates (63) are arranged on one side, far away from the connecting box (40), of the cover plate (64), the connecting shaft (62) is arranged on the edge of the connecting box (40), the cover plate (64) is rotatably connected with the edge of the connecting box (40) through the connecting shaft (62), the connecting shaft (62) is parallel to the cable (10), each pushing mechanism (70) comprises a descending assembly (71) and a pushing assembly (77), the descending assembly (71) is arranged above the connecting box (40) and is inserted into the vertical accommodating groove (47), the pushing assembly (77) is connected with the lower end of the descending assembly (71) and is abutted on the jacket (20), each descending assembly (71) comprises a key (712), a supporting plate (713), a linkage block (713), two pressing rods (712) are arranged on the upper ends (712) of the supporting plate (712), and the linkage block (712) are connected with the upper ends (712) of the linkage block (712), the lower extreme of linkage piece (713) support in on clamping mechanism (50), descending post (715) insert locate in vertical holding tank (47) and its lower extreme insert locate in push out groove (45), every descending post (714) upper end with backup pad (712) keep away from the one end of linkage piece (713) links to each other, the lower extreme with descending post (715) link to each other, still seted up in descending post (715) and moved groove (751), move groove (751) run through descending post (715) upper and lower both ends, push out subassembly (77) are including last ejector pin (771), lower ejector pin (772) and dead lever (773), go up ejector pin (771) upper end with the lower extreme of descending post (715) is articulated, the upper end of lower ejector pin (772) with go up ejector pin (771) lower extreme hinge, dead lever (773) wear to locate descending post (715) in move groove (751), still offer in descending post (715) upper and lower both ends, push out clamping mechanism (773) and push out clamping mechanism (7745), push out the end (773) and link to each other clamping mechanism (7745), push out the end (773) and including push out the end (775) Pivot (52) and spring (53), clamping lever (51) set up in the top of connecting box (40), pivot (52) wear to locate clamping lever (51) in the middle part, and with the upper end rotation of dead lever (773) links to each other, spring (53) upper end with clamping lever (51) link to each other, the lower extreme with connecting box (40) link to each other, clamping lever (51) rotate connect in pivot (52), just clamping lever (51) keep away from one end of linkage piece (713) is formed with trip (510), trip (510) are inserted in clamping groove (41), apron (64) are used for covering connecting box (40) top, so that two lug (61) butt respectively in two clamping lever (51) keep away from linkage piece (713) tip, clamping lever (51) are including opposite set up down end (511) and upper end (512), lower end (511) are located in the direction of linkage piece (713) are located trip (510) are used for upwards pressing down end (512) to reach linkage piece (713), the spring (53) set up in clamping lever (51) be close to one side of trip (510), and with pivot (52) skew sets up, so that trip (510) can upwards rotate the perk when to lower extreme (511) atress, screens groove (31) have been seted up on protection urceolus (30) upper portion, screens groove (31) set up in protection urceolus (30) deviate from one side of cable (10) axis, screens groove (31) aim at communicate in the lower part of clamping groove (41), protection urceolus (30) cover is fixed in the tip of cable (10) and inserts and locate in through groove (46) of connection box (40).

2. An optical fiber connector according to claim 1, wherein: the cable (10) comprises a sheath (11) and a wire core (12), wherein the sheath (11) is inserted into the inner layer of the sheath (20), and the wire core (12) is inserted into the fiber core groove (43) of the connection box (40) and is abutted against the wire core (12) of the other fiber structure.

3. An optical fiber connector according to claim 1, wherein: the cable is characterized in that the sheath (20) is arranged on one side, facing the central axis of the connecting box (40), of the cable (10) and is inserted into the inserting groove (44), one side, facing the central axis of the connecting box (40), of the sheath (20) is also provided with a positioning groove (21), each positioning groove (21) is provided with an elastic positioning piece on the side wall, each elastic positioning piece is also provided with an arched positioning part, and the hinge joint of the upper ejector rod (771) and the lower ejector rod (772) is abutted to the arched positioning part in the positioning groove (21) so as to press the arched positioning part to deform and position.