CN115598771A

CN115598771A - Optical fiber connector shell

Info

Publication number: CN115598771A
Application number: CN202211600224.7A
Authority: CN
Inventors: 蒋于良; 束益梅
Original assignee: Danyang Yuqiao Precision Components Co ltd
Current assignee: Danyang Yuqiao Precision Components Co ltd
Priority date: 2022-12-14
Filing date: 2022-12-14
Publication date: 2023-01-13
Anticipated expiration: 2042-12-14
Also published as: CN115598771B

Abstract

The invention discloses an optical fiber connector shell, which belongs to the technical field of optical fiber connectors and comprises a lower box body, wherein an upper cover plate is movably connected to the outer wall of one side of the lower box body, two sides of the upper cover plate are respectively provided with a clearance groove, the inner wall of the bottom of the lower box body is fixedly connected with a mounting plate, the upper surface of the mounting plate is fixedly connected with a fixing frame, a connecting rod is fixedly connected in the fixing frame, a positioning hole is formed in the connecting rod, the upper surface of the mounting plate is provided with a plurality of first sliding grooves, and a sliding seat is movably connected in two adjacent first sliding grooves. The device not only can enable the optical fiber core to be straightened through the smoothing groove through the carding mechanism, and improve the accurate effect of the device, but also can enable the optical fiber cladding to be pressed and fixed through the pressing mechanism, so that the optical fiber core can be butted conveniently in the follow-up process, the pressing effect of the device is improved, and the rotating buckle can be tightly clamped with the second clamping groove through the clamping mechanism, and the clamping effect of the device is improved.

Description

Optical fiber connector shell

Technical Field

The present invention relates to the field of fiber optic connectors, and more particularly, to a fiber optic connector housing.

Background

The optical fiber connector is mainly used for realizing non-permanent fixed connection among equipment rooms, equipment and instruments, equipment and optical fibers and between the optical fibers in a system, is an indispensable passive device in an optical fiber communication system, has certain defects when the existing optical fiber connector shell is used, and cannot better prevent liquid or dust from entering the shell to cause optical fiber damage.

Through the retrieval, chinese patent with publication number CN214586107U discloses an optical fiber connector housing, which comprises a housing base, wherein a button is movably mounted on the front surface of the housing base close to the upper position, a flip cover is movably mounted on the upper surface of the housing base, the optical fiber mounted in can be fixed, and can be perfectly fitted with a waterproof groove through waterproof plastic, so that disconnection of the optical fiber connected when the optical fiber is pulled outside can be prevented, and the waterproofness of the housing can be improved. However, there still exists a drawback that the optical fiber connector lacks a carding mechanism, which causes the optical fiber core to be easily uneven, and affects the transmission efficiency of the spliced optical fiber core, and therefore, it is necessary to provide an optical fiber connector housing with the optical fiber core carded.

Disclosure of Invention

1. Technical problem to be solved

Aiming at the problems in the prior art, the invention aims to provide a shell of an optical fiber connector, which mainly aims to solve the problems that an optical fiber core is easy to be out of flatness due to the lack of a carding mechanism of the optical fiber connector, and the transmission efficiency of the spliced optical fiber core is influenced.

2. Technical scheme

In order to solve the above problems, the present invention adopts the following technical solutions.

The utility model provides an optical fiber connector shell, includes box body down, and one side outer wall swing joint of lower box body has the upper cover plate, the both sides of upper cover plate have all been seted up and have been kept away the position groove, the bottom inner wall fixedly connected with mounting panel of box body down, the last fixed surface of mounting panel is connected with the mount, and fixedly connected with connective bar in the mount has seted up the locating hole in the connective bar, a plurality of first spouts have been seted up to the upper surface of mounting panel, and swing joint has the slide in two adjacent first spouts, and the shifting chute has been seted up at the top of slide, and sliding connection carries out the carding mechanism of ordering to optic fibre core in the shifting chute, the top of slide is equipped with the hold-down mechanism that carries out the centre gripping to the optic fibre cladding, the both sides of mount all are equipped with the block mechanism that carries out the fixing to the slide, carry out the centre gripping to the optic fibre cladding through the clamping mechanism, then make the slide obtain the block fixed through the block mechanism, and then make the optic fibre core obtain accurate butt joint.

Further, hold-down mechanism includes two guide ways, and the guide way is seted up respectively in the both sides of slide, swing joint has the pressure frame in the guide way, and the indent has been seted up to the bottom of pressure frame, two the equal fixedly connected with extension spring of bottom inner wall of guide way, and the extension spring is fixed mutually with the pressure frame, when needs are connected two optic fibre, opens the upper cover plate, then upwards carries and draws the pressure frame, and the pressure frame rebound makes the extension spring atress warp and produce the pulling force, then two optic fibre respectively place on the slide, then extension spring resilience resets and makes the pressure frame compress tightly fixedly to the optic fibre covering through the indent, and then be convenient for follow-up butt joint optic fibre core.

Furthermore, the carding mechanism comprises two moving seats, the moving seats are slidably connected in the moving grooves, the top of each moving seat is fixedly connected with an installation seat, the top of each installation seat is provided with a second sliding groove, a sliding plate is movably connected in the second sliding groove, one side of each sliding plate is fixedly connected with a spring, the spring is fixed to the inner wall of one side of the second sliding groove, the top of each moving seat is fixedly connected with a fixed shaft, one side of the fixed shaft is movably connected with a rotating block, one side of the rotating block is provided with a limiting groove, the limiting groove is in contact with the sliding plate, one side of the fixed shaft is movably connected with a torsional spring, the two ends of the torsional spring are respectively fixed to the fixed shaft and the rotating block, one sides of the rotating block and the moving seats are respectively provided with a smoothing groove, one sides of the two moving seats are respectively and fixedly connected with a connecting frame, one sides of the two sliding seats are respectively and fixedly connected with a guide column, and the top of the installation plate is fixedly connected with two fixing columns, one side of the fixed column is fixedly connected with a first elastic rope, one end of the first elastic rope bypasses the guide column and is fixed with the connecting frame, after an optical fiber cladding is tightly pressed, an optical fiber core is placed in a flattening groove on the moving seat, then the rotating block is turned over, the rotating block is stressed and rotated to be in contact with the sliding plate, the sliding plate is stressed to move outwards along the second sliding groove through the arc surface formed on the rotating block, the sliding plate moves outwards to shorten the stress of the spring and generate elasticity, when the rotating block is attached to the moving seat, the spring rebounds to reset to drive the sliding plate to move inwards to reset and be clamped with the limiting groove, so that the rotating block is fixed, the torsion spring can assist the rotating block to reset in a turning mode, then the optical fiber core is butted and pushes the sliding seat, the sliding seat is stressed to move inwards along the first sliding groove, meanwhile, the first elastic rope pulls the connecting frame and the moving seat to move rightwards at twice the speed through the guide column, thereby make the optic fibre core obtain the reason in the same direction as through smooth groove, avoid the optic fibre core to appear crooked influence follow-up accuracy of butt joint, when the slide moved to suitable position, remove seat and connective bar contact, thereby make the slide continue to move the seat position unchangeable when inwards moving, thereby make the optic fibre core after smooth groove reason in the same direction as expose and penetrate in the locating hole, first stretch cord atress deformation extension this moment, when the slide moved to suitable position, make the slide obtain fixedly through block mechanism, and make the optic fibre core that penetrates respectively from the locating hole both ends obtain accurate butt joint.

Furthermore, two equal fixedly connected with two guide bars of one side inner wall of second spout, and guide bar and slide sliding connection, two the equal fixedly connected with in top of slide assists the piece, and the guide bar can lead the slide, and the slide is convenient for stir by the supplementary piece.

Further, two the equal fixedly connected with protection pad in one side of slide, the protection pad can protect the slide, avoids the slide to touch with the mount and damages the appearance.

Furthermore, two equal fixedly connected with rubber pad in the indent, a plurality of anti-skidding lines have been seted up to one side of rubber pad, and the rubber pad can make the indent inseparabler to the pressfitting of fiber cladding.

Further, block mechanism includes a plurality of second draw-in grooves, and the top at the slide is seted up to the second draw-in groove, two mounting brackets of the equal fixedly connected with of both sides outer wall of mount, one side of mounting bracket is equipped with spacing, swing joint has the rotation to detain in the mounting bracket, and the constant head tank has all been seted up to the both sides inner wall of rotation knot, and swing joint has the traveller between two constant head tanks, and one side fixedly connected with second stretch cord of traveller, and the one end of second stretch cord is fixed mutually with the mount, when the slide moves suitable position inwards, the slide detains the contact and promotes to rotate and detain clockwise upset with the rotation, and with second draw-in groove looks joint, simultaneously, make the traveller move to with the constant head tank bottom inner wall contact along the constant head tank under the tensile force effect of second stretch cord, thereby make the rotation after the upset detain with the inseparable block of second draw-in groove under the tensile force effect of second stretch cord.

Furthermore, conical grooves have all been seted up to the both sides of connective bar, and conical grooves are linked together with the locating hole, and conical grooves can lead to male optical fiber core, and then supplementary optical fiber core gets into in the locating hole to realize accurate butt joint, one side of connective bar is equipped with the transparent window, and the transparent window is convenient for judge the optical fiber core butt joint condition.

Furthermore, two elastic buckles are fixedly connected to the outer wall of one side of the upper cover plate, two first clamping grooves are formed in the outer wall of one side of the lower box body, and the upper cover plate and the lower box body are convenient to close and fix through the elastic buckles and the first clamping grooves.

Furthermore, the bottom fixedly connected with of upper cover plate seals up, and seals up and contact with box body down, and sealed the pad can make upper cover plate inseparabler with box body laminating down.

3. Advantageous effects

Compared with the prior art, the invention has the advantages that:

(1) According to the invention, the pressing mechanism is arranged, the pressing frame moves upwards to enable the tension spring to be stressed and deformed and generate tension, then the two optical fibers are respectively placed on the sliding seat, and then the tension spring rebounds and resets to enable the pressing frame to press and fix the optical fiber cladding through the pressing groove, so that the optical fiber cores can be conveniently butted subsequently, and the pressing effect of the device is improved.

(2) According to the invention, by arranging the carding mechanism, the optical fiber core is clamped through the rotating block, the sliding plate and the smoothing groove, and the optical fiber core is straightened through the smoothing groove through the sliding seat, the guide post, the first elastic rope and the moving seat, so that the optical fiber core is prevented from being bent to influence the precision of subsequent butt joint, and the precision effect of the device is improved.

(3) According to the invention, the clamping mechanism is arranged, the sliding seat is contacted with the rotating buckle and pushes the rotating buckle to turn clockwise and be clamped with the second clamping groove, and meanwhile, the turned rotating buckle is tightly clamped with the second clamping groove under the action of the tension of the second elastic rope through the sliding column and the positioning groove, so that the clamping effect of the device is improved.

(4) According to the invention, the conical groove is arranged, and can guide the inserted optical fiber core, so that the optical fiber core is assisted to enter the positioning hole, accurate butt joint is realized, and the guide effect of the device is improved.

Drawings

FIG. 1 is a schematic front side three-dimensional structure of the present invention;

FIG. 2 is a schematic view of an open structure of the upper cover plate according to the present invention;

FIG. 3 is an enlarged structural view of the pressing mechanism of the present invention;

FIG. 4 is an exploded view of the pressing mechanism of the present invention;

FIG. 5 is an enlarged schematic view of the carding mechanism of the present invention;

FIG. 6 is a schematic view of the opening mechanism of the present invention;

FIG. 7 is an enlarged view of the engaging mechanism of the present invention;

FIG. 8 is a cross-sectional view of the rotating buckle of the present invention;

fig. 9 is a schematic sectional view showing the structure of the connecting rod of the present invention.

The numbering in the figures illustrates:

1. an upper cover plate; 2. a position avoiding groove; 3. a gasket; 4. a lower box body; 5. an elastic buckle; 6. mounting a plate; 7. a first card slot; 8. a slide base; 9. a first chute; 10. rotating the buckle; 11. a fixed mount; 12. pressing a frame; 13. a connecting frame; 14. fixing a column; 15. a first elastic cord; 16. a guide post; 17. a protective pad; 18. a second card slot; 19. a movable seat; 20. a rubber pad; 21. pressing a groove; 22. a tension spring; 23. a guide groove; 24. a mounting seat; 25. rotating the block; 26. a torsion spring; 27. a fixed shaft; 28. a limiting groove; 29. smoothing the groove; 30. a slide plate; 31. a guide rod; 32. a spring; 33. a second chute; 34. an auxiliary block; 35. a second elastic cord; 36. a limiting strip; 37. a mounting frame; 38. a traveler; 39. positioning a groove; 40. a transparent window; 41. a connecting rod; 42. a conical groove; 43. and (7) positioning the holes.

Detailed Description

The technical solution 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; it is to be understood that the embodiments described are merely exemplary embodiments, rather than exemplary embodiments, and that all other embodiments may be devised by those skilled in the art without departing from the scope of the present invention.

Example 1:

referring to fig. 1 to 9, an optical fiber connector housing includes a lower box body 4, an upper cover plate 1 is rotatably connected to an outer wall of one side of the lower box body 4, two sides of the upper cover plate 1 are both provided with a clearance groove 2, a mounting plate 6 is bonded to an inner wall of a bottom of the lower box body 4, a fixing frame 11 is bonded to an upper surface of the mounting plate 6, a connecting rod 41 is bonded to the fixing frame 11, a positioning hole 43 is formed in the connecting rod 41, the upper surface of the mounting plate 6 is provided with a plurality of first sliding grooves 9, two adjacent first sliding grooves 9 are slidably connected with a sliding base 8, a moving groove is formed in a top of the sliding base 8, a carding mechanism for carding an optical fiber core is slidably connected to the moving groove, a pressing mechanism for clamping an optical fiber cladding is arranged at a top of the sliding base 8, cladding clamping mechanisms for fixing the sliding base 8 are arranged at two sides of the fixing frame 11, optical fibers are clamped by the pressing mechanism, the sliding base is straightened by the carding mechanism, and the sliding base 8 is clamped and fixed by the clamping mechanism, so that the optical fiber core is precisely butted.

Wherein, hold-down mechanism includes two guide ways 23, guide ways 23 set up respectively in the both sides of slide 8, sliding connection has pressure frame 12 in guide ways 23, pressure groove 21 has been seted up to the bottom of pressure frame 12, the bottom inner wall of two guide ways 23 all bonds and has extension spring 22, and extension spring 22 is fixed mutually with pressure frame 12, when needs are connected two optic fibre, open upper cover plate 1, then upwards carry and draw pressure frame 12, pressure frame 12 rebound makes extension spring 22 atress warp and produce the pulling force, then two optic fibre are placed respectively on slide 8 respectively, then extension spring 22 kick-backs to reset and makes pressure frame 12 compress tightly fixedly through pressure groove 21 to the optic fibre covering, and then be convenient for follow-up butt joint optic fibre core.

Wherein, the carding mechanism comprises two moving seats 19, the moving seats 19 are connected in the moving grooves in a sliding manner, the top of the moving seat 19 is bonded with a mounting seat 24, the top of the mounting seat 24 is provided with a second chute 33, the second chute 33 is connected with a sliding plate 30 in a sliding manner, one side of the sliding plate 30 is bonded with a spring 32, the spring 32 is fixed with the inner wall of one side of the second chute 33, the top of the moving seat 19 is bonded with a fixed shaft 27, one side of the fixed shaft 27 is rotatably connected with a rotating block 25, one side of the rotating block 25 is provided with a limit groove 28, the limit groove 28 is contacted with the sliding plate 30, one side of the fixed shaft 27 is sleeved with a torsion spring 26, two ends of the torsion spring 26 are respectively fixed with the fixed shaft 27 and the rotating block 25, one sides of the rotating block 25 and the moving seat 19 are both provided with a smoothing groove 29, one sides of the two moving seats 19 are both bonded with a connecting frame 13, one sides of the two sliding seats 8 are both bonded with guide columns 16, two fixed columns 14 are bonded on the top of the mounting plate 6, a first elastic rope 15 is bonded on one side of each fixed column 14, one end of each first elastic rope 15 bypasses a guide column 16 and is fixed with a connecting frame 13, an optical fiber core is placed in a flattening groove 29 on a moving seat 19 after an optical fiber cladding is compressed, then a rotating block 25 is turned over, the rotating block 25 rotates to be in contact with a sliding plate 30 under stress, the sliding plate 30 moves outwards under stress along a second sliding groove 33 under the stress of an arc surface formed by the rotating block 25, the sliding plate 30 moves outwards to shorten the stress of a spring 32 and generate elastic force until the rotating block 25 is attached to the moving seat 19, the spring 32 rebounds and resets to drive the sliding plate 30 to move inwards and reset to be clamped with a limiting groove 28, so that the rotating block 25 is fixed, the torsion spring 26 can assist the rotating block 25 to turn over and reset, then the optical fiber core is butted and pushes the sliding seat 8, the slide 8 is forced to move inwards along the first sliding groove 9, meanwhile, the guide post 16 enables the first elastic rope 15 to pull the connecting frame 13 and the moving seat 19 to move rightwards at double speed, so that the fiber cores of the optical fibers are straightened through the flattening groove 29, the influence on the accuracy of subsequent butt joint caused by the bending of the fiber cores of the optical fibers is avoided, when the slide 8 moves to a proper position, the moving seat 19 is in contact with the connecting rod 41, the position of the moving seat 19 is unchanged when the slide 8 continues to move inwards, the fiber cores straightened through the flattening groove 29 are exposed and penetrate into the positioning hole 43, at the moment, the first elastic rope 15 is forced to deform and extend, when the slide 8 moves to a proper position, the slide 8 is fixed through the clamping mechanism, and the fiber cores of the optical fibers penetrating from two ends of the positioning hole 43 are accurately butted.

Wherein, two guide bar 31 have all been bonded to one side inner wall of two second spouts 33, and guide bar 31 and slide 30 sliding connection, and two slide 30's top has all bonded auxiliary block 34, and guide bar 31 can lead slide 30, and auxiliary block 34 is convenient for stir slide 30.

Wherein, one side of two slides 8 all bonds and has protection pad 17, and protection pad 17 can protect slide 8, avoids slide 8 and mount 11 contact to touch and appears damaging.

Wherein, rubber pad 20 has all been bonded in two indent 21, and a plurality of anti-skidding lines have been seted up to one side of rubber pad 20, and rubber pad 20 can make indent 21 inseparabler to the pressfitting of fiber cladding.

Wherein, block mechanism includes a plurality of second draw-in grooves 18, second draw-in groove 18 sets up at the top of slide 8, the both sides outer wall of mount 11 all bonds and has two mounting brackets 37, one side of mounting bracket 37 is equipped with spacing 36, mounting bracket 37 internal rotation is connected with rotates and detains 10, it has constant head tank 39 all to rotate the both sides inner wall of detaining 10, sliding connection has traveller 38 between two constant head tank 39, one side of traveller 38 bonds and has second stretch cord 35, and the one end of second stretch cord 35 is fixed mutually with mount 11, when slide 8 moves inwards to suitable position, slide 8 with rotate detain 10 contact and promote to rotate and detain 10 clockwise upset, and with second draw-in groove 18 looks joint, simultaneously, make traveller 38 move along constant head tank 39 to with constant head tank 39 bottom inner wall contact under the tensile effect of second stretch cord 35, thereby make the rotation after the upset detain 10 closely the block with second draw-in groove 18 under the tensile effect of second stretch cord 35.

Wherein, conical groove 42 has all been seted up to the both sides of connective bar 41, and conical groove 42 is linked together with locating hole 43, and conical groove 42 can lead male optical fiber core, and then supplementary optical fiber core gets into in locating hole 43 to realize accurate butt joint, one side of connective bar 41 is equipped with transparent window 40, and transparent window 40 is convenient for judge the optical fiber core butt joint condition.

Wherein, one side outer wall of upper cover plate 1 bonds and has two elasticity to detain 5, and two first draw-in grooves 7 have been seted up to one side outer wall of box 4 down, detain 5 and first draw-in groove 7 through elasticity and be convenient for upper cover plate 1 and box 4 closed fixed down.

Wherein, the bottom of upper cover plate 1 bonds and has sealed 3, and sealed 3 and box body 4 contact down, and sealed 3 can make 1 and the inseparabler of box body 4 laminating down of upper cover plate.

The using method comprises the following steps: when two optical fibers need to be connected, the upper cover plate 1 is opened, the pressing frame 12 is lifted upwards, the pressing frame 12 moves upwards to enable the tension spring 22 to be stressed and deformed and generate tension, then the two optical fibers are respectively placed on the sliding seat 8, then the tension spring 22 rebounds and resets to enable the pressing frame 12 to tightly press and fix an optical fiber cladding through the pressing groove 21, the optical fiber core is placed in the flattening groove 29 on the moving seat 19 after the optical fiber cladding is tightly pressed, then the rotating block 25 is turned over, the rotating block 25 rotates to be in contact with the sliding plate 30 in a stressed mode, the sliding plate 30 moves outwards along the second sliding groove 33 in a stressed mode through the arc surface formed on the rotating block 25, the sliding plate 30 moves outwards to enable the spring 32 to be stressed and shortened and generate elasticity, when the rotating block 25 is attached to the moving seat 19, the spring 32 rebounds and resets to drive the sliding plate 30 to move inwards to reset and be clamped with the limiting groove 28, and accordingly the rotating block 25 is fixed, the torsion spring 26 can assist the turning block 25 to turn over and reset, then butt joint the fiber cores and push the sliding base 8, so that the sliding base 8 is forced to move inwards along the first sliding groove 9, and at the same time, the first elastic rope 15 pulls the connecting frame 13 and the moving base 19 to move rightwards at twice speed through the guide post 16, so that the fiber cores are straightened through the leveling groove 29, the fiber cores are prevented from being bent to influence the accuracy of subsequent butt joint, when the sliding base 8 moves to a proper position, the moving base 19 is in contact with the connecting rod 41, so that the position of the moving base 19 is unchanged when the sliding base 8 continues to move inwards, so that the fiber cores straightened through the leveling groove 29 are exposed and penetrate into the positioning hole 43, at the moment, the first elastic rope 15 is stressed to deform and extend, until the sliding base 8 moves to a proper position, the sliding base 8 is in contact with the turning buckle 10 and pushes the turning buckle 10 to turn clockwise to be clamped with the second clamping groove 18, meanwhile, the sliding column 38 is moved to contact with the inner wall of the bottom of the positioning groove 39 along the positioning groove 39 under the action of the tensile force of the second elastic rope 35, so that the turned rotating buckle 10 is tightly clamped with the second clamping groove 18 under the action of the tensile force of the second elastic rope 35, and meanwhile, the optical fiber cores penetrating from the two ends of the positioning hole 43 are precisely butted.

The foregoing is only a preferred embodiment of the present invention; the scope of the invention is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.

Claims

1. The utility model provides a fiber connector casing, includes box body (4) down, and one side outer wall swing joint of lower box body (4) has upper cover plate (1), its characterized in that: keep away position groove (2) have all been seted up to the both sides of upper cover plate (1), bottom inner wall fixedly connected with mounting panel (6) of box body (4) down, the last fixed surface of mounting panel (6) is connected with mount (11), fixedly connected with connective bar (41) in mount (11), seted up locating hole (43) in connective bar (41), a plurality of first spouts (9) have been seted up to the upper surface of mounting panel (6), and swing joint has slide (8) in two adjacent first spouts (9), and the shifting chute has been seted up at the top of slide (8), and sliding connection carries out the carding mechanism of ordering to the optic fibre core in the shifting chute, the top of slide (8) is equipped with the hold-down mechanism that carries out the centre gripping to the optic fibre covering, the both sides of mount (11) all are equipped with and carry out fixed block mechanism to slide (8).

2. A fiber optic connector housing according to claim 1, wherein: hold-down mechanism includes two guide way (23), and the both sides at slide (8) are seted up respectively in guide way (23), swing joint has pressure frame (12) in guide way (23), and indent (21), two have been seted up to the bottom of pressure frame (12) the equal fixedly connected with extension spring (22) of bottom inner wall of guide way (23), and extension spring (22) are fixed mutually with pressure frame (12).

3. A fiber optic connector housing according to claim 2, wherein: the carding mechanism comprises two moving seats (19), the moving seats (19) are connected in a moving groove in a sliding manner, the top of each moving seat (19) is fixedly connected with a mounting seat (24), the top of each mounting seat (24) is provided with a second sliding groove (33), a sliding plate (30) is movably connected in each second sliding groove (33), one side of each sliding plate (30) is fixedly connected with a spring (32), each spring (32) is fixed to one inner wall of each second sliding groove (33), the top of each moving seat (19) is fixedly connected with a fixed shaft (27), one side of each fixed shaft (27) is movably connected with a rotating block (25), one side of each rotating block (25) is provided with a limiting groove (28), each limiting groove (28) is in contact with each sliding plate (30), one side of each fixed shaft (27) is movably connected with a torsion spring (26), two ends of each torsion spring (26) are respectively fixed to each fixed shaft (27) and each rotating block (25), one sides of each rotating block (25) and each moving seat (19) are respectively provided with a smoothing groove (29), one side of each sliding seat (13) is fixedly connected with two fixing columns (14), and one side of each fixing column (14) is fixedly connected with a fixing column (14), and one side of each fixing column (14), and one end of the first elastic rope (15) bypasses the guide post (16) and is fixed with the connecting frame (13).

4. A fiber optic connector housing according to claim 3, wherein: two equal fixedly connected with two guide bar (31) of one side inner wall of second spout (33), and guide bar (31) and slide (30) sliding connection, two the equal fixedly connected with auxiliary block (34) in top of slide (30).

5. A fiber optic connector housing according to claim 4, wherein: one side of each of the two sliding seats (8) is fixedly connected with a protective pad (17).

6. A fiber optic connector housing according to claim 2, wherein: two equal fixedly connected with rubber pad (20) in indent (21), a plurality of anti-skidding lines have been seted up to one side of rubber pad (20).

7. A fiber optic connector housing according to claim 3, wherein: block mechanism includes a plurality of second draw-in grooves (18), and the top in slide (8) is seted up in second draw-in groove (18), two mounting brackets (37) of the equal fixedly connected with of both sides outer wall of mount (11), one side of mounting bracket (37) are equipped with spacing (36), swing joint has the rotation to detain (10) in mounting bracket (37), rotates the both sides inner wall of detaining (10) and has all seted up constant head tank (39), and swing joint has traveller (38) between two constant head tanks (39), one side fixedly connected with second stretch cord (35) of traveller (38), and the one end of second stretch cord (35) is fixed mutually with mount (11).

8. A fiber optic connector housing according to claim 1, wherein: conical grooves (42) are formed in the two sides of the connecting rod (41), the conical grooves (42) are communicated with the positioning holes (43), and a transparent window (40) is arranged on one side of the connecting rod (41).

9. A fiber optic connector housing according to claim 1, wherein: two elastic buckles (5) are fixedly connected to the outer wall of one side of the upper cover plate (1), and two first clamping grooves (7) are formed in the outer wall of one side of the lower box body (4).

10. A fiber optic connector housing according to claim 9, wherein: the bottom fixedly connected with of upper cover plate (1) seals up (3), and seals up (3) and contact with box body (4) down.