WO2023109533A1

WO2023109533A1 - Optical fiber quick connector

Info

Publication number: WO2023109533A1
Application number: PCT/CN2022/136402
Authority: WO
Inventors: 徐灶良; 蓝曾景
Original assignee: 杭州润州光电技术有限公司
Priority date: 2021-12-18
Filing date: 2022-12-03
Publication date: 2023-06-22
Also published as: CN219225137U

Abstract

The present application belongs to the technical field of optical fiber connectors, and relates to an optical fiber quick connector. The optical fiber quick connector comprises a connecting base, a protective sleeve, a sliding member, and a tail sleeve. The connecting base is mounted in the protective sleeve; the tail sleeve is mounted at one end of the protective sleeve; the connecting base comprises a substrate for pre-mounting a bare fiber to be mounted, a sliding ring which is sleeved on the substrate and is in sliding connection with the substrate, and a pressing plate which is driven by the sliding ring to tightly press, on the substrate, said bare fiber and a bare fiber to be connected; the pressing plate penetrates through the sliding ring and covers the substrate; the tail sleeve comprises a tail clip mounted at one end of the protective sleeve and a tail pipe in a threaded connection with the tail clip; the tail clip is in a threaded connection with the tail pipe to drive the sliding member to move in the direction where the bare fiber to be mounted is mounted; the sliding member drives the sliding ring to tightly press the pressing plate onto the substrate or release the pressing plate from the substrate. The present application has the effect of conveniently mounting the bare fiber to be connected.

Description

A kind of optical fiber fast connector

technical field

The present application relates to the field of optical fiber connectors, in particular to an optical fiber fast connector.

Background technique

Optical fiber connector is a device for detachable (movable) connection between optical fiber and optical fiber. It precisely butts the two end faces of optical fiber so that the optical energy output by the transmitting optical fiber can be coupled to the receiving optical fiber to the maximum extent. And minimize the impact on the system caused by its intervention in the optical link.

The fiber optic quick connector is a kind of fiber optic connector. The fiber optic quick connector contains factory pre-installed bare fiber, pre-polished ceramic ferrule and a mechanical splicing mechanism. When terminating, it is only necessary to insert the fiber into the mechanical splicing mechanism.

The mechanical splicing mechanism includes pre-assembled bare fiber, ceramic ferrule, sliding and locking assembly for compressing and fixing the pre-installed bare fiber, and a protective sleeve for accommodating the sliding and locking assembly. The sliding lock assembly includes a base plate for pre-installation of bare fibers, a slip ring sleeved on the base plate and slidably connected with the base plate, and a pressing plate for pressing the optical fiber onto the base plate driven by the slip ring.

In the related technology, the coupling sleeve set outside the protective sleeve has an operation hole. When the bare fiber to be connected is docked with the pre-installed bare fiber, the tail pipe moves towards the direction of the sliding locking component, and then the tail pipe is fixed on the protective sleeve. The tail clamp on the upper clamps the optical cable of the bare fiber to be connected, and then the operator moves the slip ring through the operation hole to make it move, and then the pressure plate presses the pre-installed bare fiber and the bare fiber to be connected on the substrate.

In view of the above-mentioned related technologies, when the operator pushes the slip ring to make it move, a large driving force is required. At the same time, it is not easy to apply a force to the slip ring through the operation hole to make it move, so that the bare fiber to be spliced Installation is more inconvenient.

Contents of the invention

In order to facilitate the installation of bare fibers to be connected, the present application provides an optical fiber quick connector.

An optical fiber fast connector provided by this application adopts the following technical scheme:

An optical fiber quick connector, comprising a connecting seat, a protective sleeve, a sliding part and a tail sleeve, the connecting base is installed in the protective sleeve, and the tail sleeve is installed at one end of the protective sleeve;

The connection seat includes a base plate for pre-installation of bare fibers, a slip ring sleeved on the base plate and slidably connected with the base plate, and driven by the slip ring, the pre-installation of bare fibers and The bare fiber to be connected is pressed tightly on the pressing plate on the substrate, and the pressing plate is passed through the slip ring and covered on the substrate;

The tail sleeve includes a tail clip installed with the protective sleeve and a tail pipe threaded with the tail clip, the tail clip is threaded with the tail pipe to drive the sliding member to move, and the slide The component drives the slip ring to compress or loosen the pressing plate and the base plate.

By adopting the above-mentioned technical scheme, the pre-installed bare fiber is installed on the base plate. When the bare fiber to be connected is docked with the pre-installed bare fiber, due to the threaded connection between the tail clip and the tail pipe, the tail pipe connected to the tail clip is rotated, and the side of the tail pipe The turning edge moves towards the direction of the slip ring.

The sliding part moves towards the direction of the slip ring along with the movement of the tail pipe, and then the sliding part drives the slip ring to move, so that the bare fiber to be spliced and the pre-installed bare fiber are fixed between the pressing plate and the substrate. Compared with the operation process of rotating the tail pipe to pre-position the bare fiber to be connected, and then moving the sliding locking assembly, the above scheme only needs to rotate the tail pipe to realize the locking of the pre-installed bare fiber and the bare fiber to be connected after docking, and the operation More convenient.

Optionally, the sliding member includes a push plate and a linkage plate, the push plate is fixedly connected to one end of the linkage plate, and the end of the linkage plate away from the push plate is fixedly connected or abuts against the sliding plate. Moving the ring, the tailpipe is used to push the push plate to move.

By adopting the above technical solution, since both the push plate and the linkage plate are located in the first sliding groove, the end of the linkage plate away from the push plate abuts against the slip ring, and the push plate extends to the outside of the tail clip, and is relatively The outer wall of the tail pipe protrudes, and the pushing plate is more stable when contacting the tail pipe, and it is not easy to lose contact with the tail pipe, and the slip ring is more stable when sliding.

Optionally, the tail clamp is provided with a first sliding groove for the sliding of the linkage plate, and the inner wall of the protective cover is provided with a second sliding groove for the sliding of the linkage plate. The second sliding groove communicates with the first sliding groove.

By adopting the above-mentioned technical solution, the arrangement of the first sliding groove and the second sliding groove enables the sliding member to move directionally in the protective cover, and it is not easy to deviate, so that the sliding ring is relatively stable when moving in the protective cover .

Optionally, there are two sliding members, and the two sliding members are respectively arranged on both sides of the sliding ring.

By adopting the above technical solution, two sliding parts are arranged, and the two sliding parts are arranged opposite to each other on the slip ring, so that when the sliding parts push the slip ring to move, the slip ring is not easy to tilt due to uneven force Caton is generated to make the slip ring move more smoothly.

Optionally, a locking protrusion is provided on the side of the pressing plate away from the base plate, and a guide slope is provided on the locking protrusion, and the sliding ring cooperates with the guiding slope to make the pressing plate Press or loosen with the substrate.

By adopting the above technical solution, when the slip ring moves toward the locking protrusion, the sliding ring can slide to the outside of the locking protrusion more conveniently through the guide inclined surface provided on the locking protrusion to make the lock The tight protrusion is located inside the slip ring, so that the pressure plate and the base plate are close to each other to fix the pre-installed bare fiber and the bare fiber to be connected.

Optionally, the slip ring is provided with an inclined surface that cooperates with the guiding inclined surface.

By adopting the above technical solution, the inclined surface on the slip ring cooperates with the guide inclined surface on the locking protrusion, further making the slip ring more convenient to slide to the outside of the locking protrusion so that the locking protrusion is located inside the slip ring , so that the pressing plate and the base plate are close to each other to fix the pre-installed bare fiber and the bare fiber to be connected.

Optionally, a limiting block is provided on the base plate, and a limiting slot for inserting the limiting block is opened on the pressing plate.

By adopting the above-mentioned technical scheme, the limit block set on the substrate is inserted into the limit groove opened on the pressure plate, so that the relative position between the base plate and the pressure plate is relatively limited, and it is difficult to relatively large-scale slippage. At the same time, the pressure plate will be docked. After the loaded bare fiber and the bare fiber to be connected are pressed tightly on the base plate, there is still a gap between the limit block and the bottom of the limit groove, and then the pressure plate and the base plate will press the butted pre-installed bare fiber and the bare fiber to be connected. Finally, the limit block does not interfere with the pressure plate.

Optionally, a locking groove is provided on a side of the protective cover close to the tail clip, and a locking protrusion is arranged on the outer wall of the tail clip to fit in the locking groove.

By adopting the above-mentioned technical solution, after the slip ring is slidably installed in the protective sleeve, the snap-in protrusions provided on the outer wall of the tail clip are snapped into the snap-in slots opened on the protective sleeve, so that the slip ring is not easy to Breaking away from the protective sleeve, and at the same time snapping and fixing, it is more convenient to connect the tail clip and the protective sleeve.

Optionally, the locking protrusion is provided with a locking slope.

By adopting the above-mentioned technical solution, when the tail clip is connected with the protective sleeve, the clamping inclined surface first abuts against the protective sleeve to guide the tail clamp, and then exerts force on the tail clip or the protective sleeve to make the clamping protrusion enter the clamping groove, so that It is more convenient for the clamping protrusion to be clamped in the clamping groove.

Optionally, the optical fiber quick connector further includes a coupling sleeve, the protective sleeve is provided with a push hole for pushing the slip ring to move, and the coupling sleeve is provided with an operation hole communicated with the push hole.

By adopting the above technical scheme, when the slip ring is integrally connected with the sliding part, when the lock between the pre-installed bare fiber and the bare fiber to be connected is released, since the slip ring is located in the protective sleeve, the slip ring is integrated with the slip ring Connection, you can directly move the sliding part to move the sliding ring and get away from the locking protrusion, so it is more convenient to unlock;

When the sliding ring is in contact with the sliding part, since the sliding ring is located in the protective sleeve, the sliding ring can be moved through the moving hole and the operating hole to make the sliding ring move out of the locking protrusion, which is more convenient for unlocking .

In summary, the present application includes at least one of the following beneficial technical effects:

1. The setting of the sliding part makes it possible to slide the slip ring when turning the tail pipe, and then lock the butted pre-installed bare fiber and the bare fiber to be connected between the pressure plate and the base plate;

2. The sliding part and the sliding ring are integrally connected. When unlocking, the sliding part can be directly moved to realize the unlocking, which makes the unlocking more convenient;

3. The tail clip and the protective sleeve are fixed by snapping into the snap-in groove through the snap-in protrusion, which makes the fixing between the tail clip and the protective sleeve more convenient, and at the same time makes it difficult for the sliding part to come out of the first slide relocate.

Description of drawings

Fig. 1 is a schematic diagram of the overall structure of the quick connector in the embodiment of the present application.

Fig. 2 is an exploded schematic diagram of the quick connector in the embodiment of the present application.

Fig. 3 is an exploded schematic diagram of the connection seat, the sliding member and the sliding ring in the embodiment of the present application.

Fig. 4 is a cross-sectional view of the connection base and the protective cover in the embodiment of the present application.

Fig. 5 is an exploded schematic view of the tail clip and the tail pipe in the embodiment of the present application.

Fig. 6 is an overall sectional view of the quick connector in the embodiment of the present application.

Fig. 7 is a schematic diagram of the overall structure of the quick connector when the sliding member and the slip ring are separately connected in the embodiment of the present application.

Explanation of reference numerals: 1, connection seat; 11, base plate; 111, docking groove; 112, limit block; 12, pressure plate; 121, limit groove; 122, locking protrusion; 1221, guide slope; Core; 14, ferrule seat; 141, positioning block; 142, fiber hole; 15, tailstock; 151, compression spring; 16, slip ring; 161, inclined surface; 2, protective sleeve; 21, orientation groove; 22. Blocking ring; 23. Pushing hole; 24. Clamping groove; 25. Second sliding groove; 3. Tail sleeve; 31. Tail pipe; 311. Clamping hole; 32. Tail clamp; 321. Connecting column; 3211, clamping protrusion; 3212, clamping slope; 3213, first sliding groove; 322, clip; 323, connecting plate; 324, U-shaped seat; 325, limit clip block; 326, blocking groove; , sliding piece; 41, push plate; 42, linkage plate; 43, reinforcing rib; 5, coupling sleeve; 51, operation hole.

Detailed ways

The present application will be described in further detail below in conjunction with accompanying drawings 1-7.

The embodiment of the present application discloses a fast optical fiber connector. Referring to Figure 1 and Figure 2, the optical fiber quick connector includes a connection base 1, a protective sleeve 2, a tail sleeve 3 and a coupling sleeve 5, and the pre-installed bare fiber and the bare fiber to be connected are installed in the connection base 1 after butt joint, wherein the pre-installed The bare fiber refers to the bare fiber installed in the connector 1 before the connector leaves the factory, and the bare fiber to be connected refers to the part of the optical cable that is connected to the pre-installed bare fiber in the connector after the cable is stripped of the sheath and the protective layer. The connecting seat 1 is installed in the protective cover 2, and the tail cover 3 is fixedly installed on one end of the protective cover 2 to clamp and limit the optical cable. For fiber butt connection, the coupling sleeve 5 is sleeved on the end of the protective sleeve 2 away from the tail sleeve 3 for connecting the connector with the corresponding interface.

Referring to FIG. 2 and FIG. 3 , the connecting base 1 includes a base plate 11 , a pressing plate 12 , a ferrule 13 , a ferrule seat 14 , a tailstock 15 and a slip ring 16 . Wherein, a docking groove 111 is provided on the side of the base plate 11 close to the pressing plate 12 for the pre-installed bare fiber and the bare fiber to be spliced to be pierced and docked. The pre-installed bare fiber is installed in the ferrule 13, and the ferrule 13 is fixedly installed on the ferrule seat 14. The ferrule seat 14 is integrally connected to the end of the substrate 11 away from the boot 3, so that the pre-installed bare fiber can enter the docking groove 111 . The tailstock 15 is integrally connected to the end of the base plate 11 close to the ferrule seat 14, and through the arrangement of the tailstock 15, the bare fiber to be spliced can be guided into the docking groove 111 and docked with the pre-installed bare fiber. It is worth noting that the pre-assembled bare fiber and the bare fiber to be spliced both protrude out of the docking groove 111 in a direction close to the pressing plate 12 after butting.

The pressure plate 12 is covered on the side where the base plate 11 is provided with the docking groove 111. Through the guiding and pressing structure provided between the slip ring 16 and the pressure plate 12, the pressure plate 12 and the base plate 11 can interact with each other during the movement of the slip ring 16. Approaching and pressing against each other, and then pressing and fixing the butted pre-installed bare fiber and the bare fiber to be spliced in the docking groove 111 .

3 and 4, further, the guiding and pressing structure includes a locking protrusion 122 arranged on the side of the pressing plate 12 away from the base plate 11, the length of the locking protrusion 122 is shorter than the length of the pressing plate 12, and the locking The protrusion 122 is integrally formed with the pressing plate 12 . The side of the locking protrusion 122 close to the tail sleeve 3 is provided with a guide slope 1221, and the guide slope 1221 is inclined to the direction in which the slip ring 16 slides away from the connection seat 1, and the slip ring 16 is away from the inside of the tail clip 32 side. An inclined surface 161 cooperating with the guiding inclined surface 1221 is provided, and the inclined surface 161 is inclined toward the locking protrusion 122 along the slip ring 16 and inclined toward the pressing plate 12 . When the slip ring 16 moves toward the locking protrusion 122, the inclined surface 161 first presses against the guiding inclined surface 1221, and then the sliding ring 16 continues to move. After the inclined surface 161 passes through the guiding inclined surface 1221, the inner wall of the sliding ring 16 Press against the side of the locking protrusion 122 away from the pressure plate 12. At this time, due to the height difference between the inclined surface 161 and the inner wall of the slip ring 16, the base plate 11 and the pressure plate 12 are close to and pressed against each other. The fiber and the bare fiber to be connected are fixed in the docking groove 111.

Simultaneously, the limit block 112 is fixedly installed on the side of the substrate 11 close to the pressing plate 12, and the side of the pressing plate 12 close to the base plate 11 is provided with a limit groove 121 for inserting the limit block 112, and the limit block 112 is inserted into the limit groove. 121, so that the base plate 11 and the pressing plate 12 are not easy to move relative to each other. At the same time, the pre-installed bare fiber and the bare fiber to be connected can be compressed and fixed in the docking groove 111. When the pre-installed bare fiber and the bare fiber to be connected are compressed After being fixed in the docking groove 111 , there is a gap between the limiting block 112 and the bottom of the limiting groove 121 or they fit together.

Both the ferrule seat 14 and the tailstock 15 are provided with a fiber passing hole 142 communicating with the docking groove 111 along the axial direction of the pre-installed optical fiber. Wherein, the diameters of the fiber hole 142 on the ferrule seat 14 and the fiber hole 142 on the tailstock 15 gradually decrease toward the direction close to the substrate 11, so that the pre-installed bare fiber and the bare fiber to be connected can be blindly mated. During the process, it can be guided into the docking groove 111 more accurately.

2 and 3, further, the tailstock 15 is also sleeved with a compression spring 151, one end of the compression spring 151 abuts on the base plate 11, and the other end abuts on the boot 3, when the connector is clamped and fixed on the optical fiber When the optical fiber cassette is inserted into the optical fiber cassette, since the clamping position between the optical fiber cassette and the connector is fixed, the connector seat 1 can provide a certain axial insertion force after the connector is mated with the optical fiber cassette by compressing the spring 151, and then insert the core 13 can realize electrical signal communication with the optical fiber box.

3 and 4, the protective cover 2 is a housing, the outer wall of the ferrule seat 14 is integrally formed with a positioning block 141, and the inner wall of the protective cover 2 is provided with a strip-shaped orientation groove 21, and the orientation groove 21 is along the predetermined The bare fiber is installed in the axial direction. When the connecting seat 1 is installed in the protective cover 2, the orientation groove 21 and the positioning block 141 cooperate with each other, so that the ferrule seat 14 is not easy to rotate in the protective cover 2, so that the connecting seat 1 is protected. Set 2 is more stable.

Referring to Figure 2 and Figure 4, the protective cover 2 is integrally connected with a blocking ring 22, the blocking ring 22 is located inside the protective cover 2 on the side away from the tail cover 3, when the connecting seat 1 is installed on the protective cover 2, the blocking ring 22 abuts against the The ferrule seat 14 further reduces the risk that the connection seat 1 detaches from the protective sleeve 2 along the axial direction of the pre-installed bare fiber. The ferrule 13 passes through the blocking ring 22 , and the end of the ferrule 13 facing away from the ferrule seat 14 protrudes out of the protective cover 2 . The side wall of the protective cover 2 is also provided with a push hole 23 for sliding the slip ring 16 along the axial direction of the pre-installed bare fiber. The operator can push the slip ring 16 through the push hole 23 to realize the pre-installed bare fiber And the locking and unlocking of the bare fiber to be connected.

4 and 5, the boot 3 includes a tail pipe 31 and a tail clip 32, the tail clip 32 and the tail pipe 31 are located on the side close to the tailstock 15, and the tail clip 32 is clamped and fixedly installed on the protective cover 2, and the tail clip 32 The tube 31 is threadedly connected to the tail clip 32 , and when the tail pipe 31 moves toward the direction close to the protective cover 2 , the tail clip 32 will limit and clamp the optical cable.

The tail clip 32 includes two connecting posts 321 and two clips 322 , the two clips 322 correspond to the two connecting posts 321 one by one, and the corresponding clips 322 are integrally connected with the connecting posts 321 . There is a gap between the two clips 322 for the optical cable to pass through, and a connecting plate 323 is fixedly connected between the two connecting posts 321 , and the two connecting posts 321 are integrally connected with the connecting plate 323 . The connecting plate 323 is provided with a U-shaped seat 324 for supporting the bare fiber to be spliced, and the U-shaped seat 324 and the connecting plate 323 are integrally formed. A limiting clip 325 is uniformly provided on the sides of the two clips 322 that are close to each other, and a blocking groove 326 is provided on the side of the limiting clip 325 that is away from the protective cover 2 . When the cable sheath of the outer layer is stripped off, the bare fiber to be spliced passes between the two clips 322 through the U-shaped seat 324, then passes through the connecting column 321 and the tailstock 15 in turn, and enters the docking groove 111 to be connected with the pre-installed The bare fiber is butted. At this time, the sheath of the bare fiber to be connected will pass through the blocking groove 326 and be limited by the limiting clamp 325 .

Referring to Fig. 5 and Fig. 6, further, the outer peripheral walls of the two connecting columns 321 are provided with external threads. The tail pipe 31 defines a clamping hole 311 along the extending direction of the clip 322 for the optical cable to pass through and be screwed to the two connecting posts 321 . The hole wall of the clamping hole 311 is provided with an internal thread that cooperates with the external thread, and the radial direction of the clamping hole 311 is gradually reduced in the direction away from the connecting column 321. Next, close to each other to clamp the optical cable.

Referring to Fig. 4 and Fig. 5, the outer wall of the connecting column 321 is provided with a snap-in protrusion 3211, and the side wall of the protective cover 2 is provided with a snap-in slot 24 for the snap-in protrusion 3211 to be snapped in, and the snap-in protrusion 3211 is close to the protective cover 2. One side of the sleeve 2 is provided with a clamping slope 3212, which is inclined along the direction in which the clamping projection 3211 enters the clamping groove 24 and is inclined towards the outer wall of the connecting column 321. When clamping, the clamping slope 3212 first abuts against On the inner wall of the protective cover 2 , force is applied to the connecting column 321 , so that the clamping protrusion 3211 is clamped and fixed in the clamping groove 24 , and then the tail clamp 32 and the protective cover 2 are clamped and fixed.

Referring to Figure 2 and Figure 3 , wherein, a sliding piece 4 that pushes the sliding ring 16 to move is mounted on the connecting column 321, one end of the sliding piece 4 abuts against the sliding ring 16, and the other end abuts against the tail pipe 31 , the tail pipe 31 moves towards the direction of the protective cover 2 , and then the sliding member 4 pushes the sliding ring 16 to move towards the direction of the locking protrusion 122 .

Referring to FIG. 3 and FIG. 6 , further, the outer wall of the connecting column 321 is provided with a first sliding groove 3213 for the sliding member 4 to slide along the central axis of the connecting column 321 . The sliding part 4 includes a push plate 41 and a linkage plate 42 that slide in the first sliding groove 3213, the push plate 41 is integrally connected to one end of the linkage plate 42, and a reinforcing plate is integrally connected between the push plate 41 and the linkage plate 42. The arrangement of ribs 43 and reinforcing ribs 43 increases the connection strength between the push plate 41 and the linkage plate 42 . An end of the linkage plate 42 away from the push plate 41 extends toward the slip ring 16 and is connected to the slip ring 16 . In this embodiment, it is preferable that the push plate 41 is L-shaped after being connected with the linkage plate 42 . As the tail pipe 31 is rotated, the tail pipe 31 moves toward the direction close to the connecting column 321, and at the same time drives the pushing plate 41 to move, and then the linkage plate 42 pushes the slip ring 16 to slide. The inner wall of the protective cover 2 is provided with a second sliding groove 25 along the axial direction of the pre-installed bare fiber, so that the linkage plate 42 can slide directionally in the second sliding groove 25 and is not easy to shake.

Wherein, the linkage plate 42 can be integrally connected with the slip ring 16 , or can be connected separately.

Referring to Figure 7, when the linkage plate 42 is connected separately to the slip ring 16, the end of the linkage plate 42 away from the push plate 41 abuts against the slip ring 16, and the coupling sleeve 5 is provided with a pusher to move the slip ring 16 to move the pressure plate 12 and the operation hole 51 for releasing the clamping state of the base plate 11.

When the linkage plate 42 is integrally connected with the slip ring 16 , the operation hole 51 is not provided on the coupling sleeve 5 , and the push plate 41 can be directly moved to release the clamping state between the pressure plate 12 and the base plate 11 .

Referring to FIG. 6 , one implementation in this embodiment is that the linkage plate 42 is integrally connected with the slip ring 16 , and at the same time, there are two sliding pieces 4 , and the two sliding pieces 4 are along the central axis of the connecting column 321 Evenly spaced, there are two corresponding first sliding grooves 3213 and second sliding grooves 25, and the two sliding members 4 slide in the two first sliding grooves 3213 and the second sliding grooves one by one. In the slot 25.

The implementation principle of an optical fiber quick connector in the embodiment of the present application is as follows: after the bare fiber to be connected is inserted into the docking groove 111 and docked with the pre-installed bare fiber, the tail pipe 31 is rotated to move toward the direction of the slip ring 16, and the tail During the movement of the pipe 31, the sliding member 4 is driven to move, and the sliding member 4 pushes the sliding ring 16 to move towards the locking protrusion 122 until the entire locking protrusion 122 is located inside the sliding ring 16. At this time, The pressing plate 12 and the base plate 11 approach each other to generate a pressing force to lock the pre-installed bare fiber and the bare fiber to be connected in the docking groove 111, and the two clips 322 on the tail clip 32 are clamped under the action of the tail pipe 31 Because of the optical cable, the optical cable is not easy to be pulled out.

All of the above are preferred embodiments of the application, and are not intended to limit the protection scope of the application. Therefore, all equivalent changes made according to the structure, shape, and principle of the application should be covered by the protection scope of the application. Inside.

Claims

An optical fiber quick connector, characterized in that it comprises a connecting base (1), a protective cover (2), a sliding member (4) and a tail sleeve (3), the connecting base (1) is installed on the protective cover (2), the tail sleeve (3) is installed on one end of the protective sleeve (2);

The connection seat (1) includes a base plate (11) for pre-installation of bare fibers, a slip ring (16) sleeved on the base plate (11) and slidably connected with the base plate (11), and Driven by the slip ring (16), the pre-installed bare fiber and the bare fiber to be spliced are pressed against the pressing plate (12) on the substrate (11), and the pressing plate (12) is passed through the sliding Transferring the ring (16) and covering it on the substrate (11);

The tail sleeve (3) includes a tail clip (32) installed on one end of the protective sleeve (2) and a tailpipe (31) threaded with the tail clip (32), and the tail clip (32) is connected with the tail clip (32) The tail pipe (31) is screwed to drive the sliding member (4) to move, and the sliding member (4) drives the sliding ring (16) to connect the pressing plate (12) and the base plate ( 11) Tighten or loosen.
The optical fiber quick connector according to claim 1, characterized in that: the sliding member (4) includes a push plate (41) and a linkage plate (42), and the push plate (41) is fixedly connected to the One end of the linkage plate (42), the end of the linkage plate (42) away from the push plate (41) is fixedly connected or abutted against the slip ring (16), and the tail pipe (31) is used for Push the push plate (41) to move.
A fast optical fiber connector according to claim 2, characterized in that: the tail clamp (32) is provided with a first sliding groove (3213) for the sliding of the linkage plate (42), the The inner wall of the protective cover (2) is provided with a second sliding groove (25) for the sliding of the linkage plate (42), and the second sliding groove (25) and the first sliding groove (3213) Connected;

One end of the push plate (41) extends to the outside of the tail clip (32), and the push plate (41) abuts against the tail pipe (31).
A quick connector for optical fiber according to claim 1, characterized in that: two sliding pieces (4) are provided, and the two sliding pieces (4) are respectively arranged on the slip ring ( 16) Both sides.
The optical fiber quick connector according to claim 1, characterized in that: the side of the pressure plate (12) away from the base plate (11) is provided with a locking protrusion (122), and the locking protrusion (122) is provided with a guide inclined surface (1221), through which the slip ring (16) cooperates with the guide inclined surface (1221) to make the pressing plate (12) and the substrate (11) be pressed or loosened .
The optical fiber quick connector according to claim 5, characterized in that: the slip ring (16) is provided with an inclined surface (161) matching with the guiding inclined surface (1221).
The optical fiber quick connector according to claim 1, characterized in that: the base plate (11) is provided with a limit block (112), and the pressure plate (12) is provided with a spacer for the limit block (112). ) the limit slot (121) for inserting.
A fast optical fiber connector according to claim 1, characterized in that: the side of the protective sleeve (2) close to the tail clip (32) is provided with a snap-in groove (24), and the tail clip ( 32) is provided with a snap-in protrusion (3211) snapped into the snap-in groove (24) on the outer wall.
The fast optical fiber connector according to claim 8, characterized in that: the locking protrusion (3211) is provided with a locking slope (3212).
An optical fiber quick connector according to claim 2, characterized in that: the optical fiber quick connector also includes a coupling sleeve (5), and the protective sleeve (2) is provided with a device to push the slip ring (16) to move The push hole (23) of the coupling sleeve (5) is provided with an operation hole (51) communicating with the push hole (23).