Optical fiber quick connector

Abstract

The utility model is suitable for the technical field of optical fiber quick connectors, and provides an optical fiber quick connector, which comprises a connector main body, one end of the connector main body is fixedly connected with a connector head, one end of the connector head is symmetrically and fixedly connected with clamping plates, the clamping plates are used for clamping an outer sheath, the outer wall of the connector head is connected with a tail sleeve, and the tail sleeve is fixedly connected with the connector main body. The outer wall of the connector main body is sleeved with an outer sheath. According to the utility model, the blocking mechanism is arranged, the tail sleeve is sleeved on the outer wall of the outer sheath, an optical fiber passes through the through hole to enter the connecting hole, the outer sheath pushes the movable plate to move, the convex block moves to be separated from the bottom end of the sliding block, then the tail sleeve is fixed on the outer wall of the connector, and the outer sheath is sleeved on the outer wall of the connector main body. The connector main body and the optical fiber can be quickly connected, so that the convex block can be separated from the sliding block only when the optical fiber is inserted into the connecting hole by a certain depth, the outer sheath can be further installed, and the optical fiber is prevented from being not completely inserted into the connecting hole.

Description

Technical Field

[0001] The utility model belongs to the technical field of optical fiber quick connectors, and in particular relates to an optical fiber quick connector. Background Art

[0002] Fiber optic connectors are removable connectors used for repetitive plugging and unplugging between optical fibers. They are also called fiber optic active joints. They are devices for detachable (active) connections between optical fibers. They precisely dock the two end faces of the optical fiber so that the light energy output by the transmitting optical fiber can be coupled to the receiving optical fiber to the maximum extent possible, and the impact on the system caused by its involvement in the optical link is minimized. This is the basic requirement for fiber optic connectors. To a certain extent, fiber optic connectors affect the reliability and performance of optical transmission systems.

[0003] When connecting the optical fiber to the connector, the outer sheath of one end of the optical fiber is stripped off, and one end of the optical fiber is inserted into the connecting hole on the main body, and then the tail sleeve is connected to the main body. The tail sleeve squeezes the clamping plate to contact the outer sheath of the optical fiber to fix the optical fiber, and then the outer sheath is sleeved on the main body for protection. However, when connecting the optical fiber, if the optical fiber is not fully inserted into the connecting hole, it is easy to affect the use effect of the optical fiber. In order to prevent the optical fiber from being not fully inserted into the connecting hole, a fiber optic quick connector is provided. Utility Model Content

[0004] The utility model provides an optical fiber quick connector, aiming to solve the problems mentioned in the above background technology.

[0005] The utility model is implemented as follows: an optical fiber quick connector comprises a connector body, one end of the connector body is fixedly connected to a connector head, one end of the connector head is symmetrically fixedly connected to a clamping plate, the clamping plate is used to clamp the outer skin, the outer wall of the connector head is connected to a tail sleeve, the outer wall of the connector body is sleeved with an outer sheath, one end of the connector head is located between the clamping plates and a connecting hole is opened, the connecting hole is for inserting the optical fiber, the connector body blocks the installation of the outer sheath by a blocking mechanism, the blocking mechanism comprises a movable groove, the movable groove is opened at one end of the connector head and is located above and below the connecting hole, and the movable groove extends into the interior of the connector body.

[0006] Preferably, the blocking mechanism also includes a movable rod, which is slidably connected to the inner cavity of the movable groove, one end of the movable rod is fixedly connected to a movable plate, an outer wall of the movable plate is provided with a through hole, the end of the movable rod away from the movable plate is fixedly connected to a protrusion, the interior of the connector body is slidably connected to a slider located on one side of the protrusion, the slider extends to the outside of the connector body, the end of the protrusion away from the movable rod is fixedly connected to an elastic sheet, and one end of the elastic sheet is in contact with one end of the movable groove.

[0007] Preferably, the inner wall of the through hole fits with the outer wall of the optical fiber, and the outer wall of the protrusion fits with the inner wall of the movable groove.

[0008] Preferably, inclined surfaces are provided on both sides of one end of the sliding block located outside the connector body.

[0009] Preferably, the outer wall of the connector is provided with an external thread, the inner wall of the tail sleeve is provided with an internal thread, and the external thread matches the internal thread.

[0010] Preferably, an extrusion block is fixedly connected to the inner wall of the clamping plate.

[0011] Preferably, fixing holes are provided on both sides of the outer sheath, grooves are provided on both sides of the connector body, and plastic springs are fixedly connected to the inner walls of the grooves.

[0012] Compared with the prior art, the embodiments of the present application have the following beneficial effects:

[0013] The utility model sets a blocking mechanism, sleeves the tail sleeve on the outer wall of the outer skin, passes the optical fiber through the through hole into the connecting hole, the outer skin pushes the movable plate to move, the protrusion moves and separates from the bottom end of the slider, then the tail sleeve is fixed to the outer wall of the connector, and then the outer sheath is sleeved on the outer wall of the connector body, which is convenient for quickly connecting the connector body and the optical fiber, so that only when the optical fiber is inserted into the connecting hole to a certain depth, the protrusion can be separated from the slider, and then the outer sheath can be installed, thereby preventing the optical fiber from being not fully inserted into the connecting hole. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural schematic diagram provided by the utility model;

[0015] Figure 2 It is a schematic diagram of the installation of the outer sheath provided by the utility model;

[0016] Figure 3 It is a structural schematic diagram of the connector body provided by the utility model;

[0017] Figure 4It is a partial cross-sectional view of the connector body provided by the utility model.

[0018] In the figure: 1. Connector body; 2. Connector head; 3. Clamp; 4. Tail sleeve; 5. Outer sheath; 6. Connecting hole; 7. Blocking mechanism; 701. Movable groove; 702. Movable rod; 703. Movable plate; 704. Through hole; 705. Bump; 706. Elastic sheet; 707. Slider; 8. Outer skin; 9. Optical fiber; 10. Fixing hole; 11. Groove; 12. Plastic spring; 13. Extrusion block. DETAILED DESCRIPTION

[0019] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by technicians in the technical field of this application; the terms used in the specification of the application herein are only for the purpose of describing specific embodiments and are not intended to limit this application; the terms "including" and "having" and any variations thereof in the specification and claims of this application and the above-mentioned drawings are intended to cover non-exclusive inclusions. The terms "first", "second", etc. in the specification and claims of this application or the above-mentioned drawings are used to distinguish different objects, not to describe a specific order.

[0020] Reference to "embodiments" herein means that a particular feature, structure, or characteristic described in conjunction with the embodiments may be included in at least one embodiment of the present application. The appearance of the phrase in various locations in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment that is mutually exclusive with other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein may be combined with other embodiments.

[0021] The utility model provides an optical fiber quick connector, such as Figure 1-4As shown, it includes a connector body 1, one end of the connector body 1 is fixedly connected to a connector head 2, one end of the connector head 2 is symmetrically fixedly connected to a clamping plate 3, the clamping plate 3 is used to clamp the outer skin 8, the outer wall of the connector head 2 is connected to a tail sleeve 4, the outer wall of the connector body 1 is sleeved with an outer sheath 5, one end of the connector head 2 is located between the connecting clamping plates 3 and a connecting hole 6 is opened, the connecting hole 6 is for the optical fiber 9 to be inserted, the connector body 1 blocks the installation of the outer sheath 5 through a blocking mechanism 7, the blocking mechanism 7 includes a movable groove 701, the movable groove 701 is opened at one end of the connector head 2 and is located above and below the connecting hole 6, and the movable groove 701 extends into the connector Inside the connector body 1, the blocking mechanism 7 also includes a movable rod 702, which is slidably connected to the inner cavity of the movable groove 701, one end of the movable rod 702 is fixedly connected to a movable plate 703, and a through hole 704 is provided on the outer wall of the movable plate 703. The end of the movable rod 702 away from the movable plate 703 is fixedly connected to a protrusion 705, and the inside of the connector body 1 is slidably connected to a slider 707 located on one side of the protrusion 705, and the slider 707 extends to the outside of the connector body 1, and the end of the protrusion 705 away from the movable rod 702 is fixedly connected to an elastic sheet 706, and one end of the elastic sheet 706 is in contact with one end of the movable groove 701.

[0022] In this embodiment, when the optical fiber 9 is connected to the connector body 1, the tail sleeve 4 is sleeved on the outer wall of the outer skin 8, and the optical fiber 9 passes through the through hole 704 into the connecting hole 6. During this process, the outer skin 8 contacts the movable plate 703, pushing the movable plate 703 to move, and the movable plate 703 moves to drive the movable rod 702 to move, and the movable rod 702 moves to drive the protrusion 705 to move, and the protrusion 705 moves and separates from the bottom end of the slider 707, so that the slider 707 has space for displacement, which squeezes the elastic sheet 706, and then The tail sleeve 4 is fixed to the outer wall of the connector 2, and the tail sleeve 4 squeezes the clamping plate 3, which clamps the outer skin 8, and then the outer sheath 5 is sleeved on the outer wall of the connector body 1. The outer sheath 5 contacts the slider 707, pushing the slider 707 into the interior of the connector body 1, so as to facilitate the quick connection between the connector body 1 and the optical fiber 9, so that only when the optical fiber 9 is inserted into the connecting hole 6 to a certain depth, the protrusion 705 can be separated from the slider 707, and then the outer sheath 5 can be installed, thereby preventing the optical fiber 9 from being not fully inserted into the connecting hole 6.

[0023] In a further preferred embodiment of the present invention, Figure 3-4 As shown, the inner wall of the through hole 704 fits with the outer wall of the optical fiber 9 , and the outer wall of the protrusion 705 fits with the inner wall of the movable groove 701 .

[0024] In this embodiment, the outer skin 8 contacts the movable plate 703, pushing the movable plate 703 to move, the movable plate 703 moves to drive the movable rod 702 to move, the movable rod 702 moves to drive the protrusion 705 to move, the protrusion 705 moves and separates from the bottom end of the slider 707, so that the slider 707 has space for displacement.

[0025] In a further preferred embodiment of the present invention, Figure 2-4 As shown, the slider 707 has inclined surfaces on both sides of one end located outside the connector body 1 .

[0026] In this embodiment, the outer sheath 5 is sleeved on the outer wall of the connector body 1 , and the outer sheath 5 contacts the slider 707 , pushing the slider 707 into the interior of the connector body 1 .

[0027] In a further preferred embodiment of the present invention, Figure 2-4 As shown, the outer wall of the connector 2 is provided with an external thread, the inner wall of the tail sleeve 4 is provided with an internal thread, the external thread matches the internal thread, and the inner wall of the clamping plate 3 is fixedly connected with an extrusion block 13 .

[0028] In this embodiment, the tail sleeve 4 is fixed to the outer wall of the connector 2 by threads, the tail sleeve 4 squeezes the clamping plate 3, the clamping plate 3 clamps the outer skin 8, and the squeezing block 13 improves the clamping effect on the outer skin 8.

[0029] In a further preferred embodiment of the present invention, Figure 2-3 As shown, fixing holes 10 are provided on both sides of the outer sheath 5 , grooves 11 are provided on both sides of the connector body 1 , and plastic springs 12 are fixedly connected to the inner walls of the grooves 11 .

[0030] In this embodiment, the outer sheath 5 is sleeved on the outer wall of the connector body 1, and the plastic spring piece 12 contacts the outer sheath 5 and is deformed by being squeezed until the plastic spring piece 12 contacts the fixing hole 10. The plastic spring piece 12 is snapped into the fixing hole 10 to fix the outer sheath 5 on the outer wall of the connector body 1.

[0031] It should be noted that, for the above-mentioned embodiments, for the sake of simplicity, they are all described as a series of action combinations, but those skilled in the art should know that the utility model is not limited by the described action sequence, because according to the utility model, some steps may be performed in other sequences or simultaneously. Secondly, those skilled in the art should also know that the embodiments described in the specification are all preferred embodiments, and the actions and modules involved are not necessarily required by the utility model.

[0032] In the several embodiments provided in the present application, it should be understood that the disclosed devices can be implemented in other ways. For example, the device embodiments described above are merely schematic, such as the division of the above-mentioned units. There may be other division methods in actual implementation, such as multiple units or components can be combined or integrated into another system, or some features can be ignored or not executed. Another point is that the mutual coupling or communication connection shown or discussed can be through some interfaces, and the indirect coupling or communication connection between devices or units can be in the form of telecommunication or other forms.

[0033] The units described above as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, they may be located in one place or distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.

[0034] The above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit the protection scope of the utility model. Obviously, the described embodiments are only some embodiments of the utility model, rather than all embodiments. Based on these embodiments, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model. Although the utility model has been described in detail with reference to the above embodiments, ordinary technicians in this field can still combine, add, delete or make other adjustments to the features in the various embodiments of the utility model according to the circumstances without conflict, without making creative work, so as to obtain different other technical solutions that do not deviate from the concept of the utility model in essence, and these technical solutions also belong to the scope of protection of the utility model.

Claims

1. An optical fiber quick connector, comprising a connector body (1), one end of the connector body (1) being fixedly connected to a connector head (2), one end of the connector head (2) being symmetrically fixedly connected to a clamping plate (3), the clamping plate (3) being used to clamp an outer skin (8), and the outer wall of the connector head (2) being connected to a tail sleeve (4); The outer wall of the connector body (1) is sleeved with an outer sheath (5), one end of the connector (2) is located between the clamping plates (3) and is provided with a connection hole (6), the connection hole (6) is for the optical fiber (9) to be inserted, and is characterized in that: The connector body (1) blocks the installation of the outer sheath (5) through a blocking mechanism (7); The blocking mechanism (7) comprises a movable groove (701), the movable groove (701) being opened at one end of the connecting head (2) and being located above and below the connecting hole (6), and the movable groove (701) extending into the interior of the connector body (1).

2. The optical fiber quick connector according to claim 1, characterized in that: The blocking mechanism (7) further comprises a movable rod (702), the movable rod (702) being slidably connected to the inner cavity of the movable groove (701), one end of the movable rod (702) being fixedly connected to a movable plate (703), and an outer wall of the movable plate (703) being provided with a through hole (704); A protrusion (705) is fixedly connected to one end of the movable rod (702) away from the movable plate (703); a slider (707) is slidably connected to one side of the protrusion (705) inside the connector body (1); and the slider (707) extends to the outside of the connector body (1); One end of the protrusion (705) away from the movable rod (702) is fixedly connected to an elastic sheet (706), and one end of the elastic sheet (706) is in contact with one end of the movable groove (701).

3. An optical fiber quick connector as claimed in claim 2, characterized in that: The inner wall of the through hole (704) fits with the outer wall of the optical fiber (9), and the outer wall of the protrusion (705) fits with the inner wall of the movable groove (701).

4. The optical fiber quick connector according to claim 2, characterized in that: The sliding block (707) has inclined surfaces on both sides of one end located outside the connector body (1).

5. The optical fiber quick connector according to claim 1, characterized in that: The outer wall of the connector (2) is provided with an external thread, and the inner wall of the tail sleeve (4) is provided with an internal thread, and the external thread matches the internal thread.

6. The optical fiber quick connector according to claim 1, characterized in that: An extrusion block (13) is fixedly connected to the inner wall of the clamping plate (3).

7. The optical fiber quick connector according to claim 1, characterized in that: Fixing holes (10) are provided on both sides of the outer sheath (5), grooves (11) are provided on both sides of the connector body (1), and plastic spring pieces (12) are fixedly connected to the inner walls of the grooves (11).

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