Optical fiber quick connector

Abstract

The utility model relates to the technical field of optical fibers, and discloses an optical fiber quick connector which comprises a connecting body, a lower fixing end and a dustproof assembly, the right end of the connecting body is provided with the dustproof assembly, the right end of the connecting body is fixedly connected with the lower fixing end, and the right end of the connecting body is provided with an upper pressing end. A semicircular block is fixedly connected to the top of the connecting body, a rotating shaft is rotatably connected to the interior of the semicircular block, an L-shaped support is fixedly connected to the exterior of the rotating shaft, the upper pressing end is fixedly connected to the end, away from the rotating shaft, of the L-shaped support, and first fastening teeth and second fastening teeth are fixedly connected to the interior of the lower fixing end; the first fastening teeth and the second fastening teeth are fixedly connected to the interior of the upper pressing end. The upper pressing end is rotated and pressed downwards, and the external optical fiber protection sheath is pressed and fixed through the first fastening teeth and the second fastening teeth in the upper pressing end, so that the installation stability of the external optical fiber is improved, and the situation that the optical fiber moves when the dustproof cap is screwed is prevented.

Description

TECHNICAL FIELD

[0001] The utility model relates to optical fiber technical field especially relates to optical fiber quick connector. BACKGROUND

[0002] Optical fiber quick connector, also known as fast joint or field assembled optical fiber movable connector, is a kind of field termination connector with great innovation, and optical fiber quick connector is mainly used between two optical fibers, realizes the butt joint of the two end faces of optical fiber, and the light energy output by transmitting optical fiber is coupled with receiving optical fiber maximally, so that optical link is connected, it is an indispensable part in optical fiber to household access network, and is widely used in enterprise integrated wiring, data center, mobile communication, internet data center and national defense communication field.

[0003] In prior art, when the tail end of existing optical fiber quick connector is connected into external optical fiber and is screwed into dustproof cap for fastening, it is easy to cause connection to move, affect the stability of optical fiber connection, cause signal transmission to be interrupted or quality to decline, frequent maintenance and adjustment are needed, which not only increases the complexity of maintenance work, but also improves maintenance cost, therefore optical fiber quick connector needs to be improved to solve the above problems. UTILITY MODEL CONTENTS

[0004] In order to overcome the problem that the tail end of existing optical fiber quick connector is connected into external optical fiber and is screwed into dustproof cap for fastening, it is easy to cause connection to move, affect the stability of optical fiber connection, cause signal transmission to be interrupted or quality to decline.

[0005] The utility model discloses a technical scheme that optical fiber quick connector, including connecting body, still include lower fixed end and dustproof component, the right end of connecting body is provided with dustproof component, the right end fixed connection of connecting body has lower fixed end, the right end of connecting body is provided with upper pressure end, the top fixed connection of connecting body has semicircle piece, the inside rotation of semicircle piece is connected with rotating shaft, the outside fixed connection of rotating shaft has L support, upper pressure end fixed connection is in the one end of L support away from rotating shaft, the inside fixed connection of lower fixed end has first fastening tooth and second fastening tooth, first fastening tooth and second fastening tooth fixed connection are in the inside of upper pressure end.

[0006] As preferred, five groups of first fastening teeth are sequentially distributed in the inside of lower fixed end and upper pressure end from left to right.

[0007] As preferred, four groups of second fastening teeth are sequentially distributed in the inside of lower fixed end and upper pressure end from right to left.

[0008] As preferred, the bottom of the upper pressing end is fixedly connected with an insertion plate, the insertion plate is arranged in the inside of the lower fixed end, the inside of the semicircular block is slidably connected with a limiting rod, the outside of the limiting rod is fixedly connected with a pushing block, the rear end of the pushing block is fixedly connected with a clamping block, the clamping block is clamped in the inside of the L-shaped support, the end of the limiting rod away from the pushing block is fixedly connected with a fixed disc, and the fixed disc and the semicircular block are fixedly connected with a spring.

[0009] As preferred, the lower fixed end is provided with a groove corresponding to the position of the insertion plate, and the insertion plate is arranged in the groove of the lower fixed end.

[0010] As preferred, the L-shaped support is provided with a groove corresponding to the position of the clamping block, and the clamping block is clamped in the groove of the L-shaped support.

[0011] As preferred, the dustproof assembly comprises a limiting frame, the limiting frame is fixedly connected to the outside of the lower fixed end, the outside of the upper pressing end is provided with an external thread, the external thread is arranged on the outside of the lower fixed end, the outside of the lower fixed end and the upper pressing end is provided with a dustproof cap, the inside of the dustproof cap is provided with an internal thread, the internal thread is threadedly connected to the outside of the external thread, and the dustproof cap is fixedly connected with an anti-skid sleeve.

[0012] As preferred, two limiting frames are arranged, and the two limiting frames are fixedly arranged on the outside of the upper pressing end and the lower fixed end respectively.

[0013] The utility model discloses the beneficial effect that:

[0014] 1、relative to the tail end of the existing optical fiber quick connector, when being connected into the external optical fiber and being screwed into the dustproof cap and being fastened, it is easy to cause the connection to move, by rotating the upper pressing end and pressing, the first fastening tooth and the second fastening tooth in the inside of the upper pressing end are used for pressing and fixing the protective outer skin of the external optical fiber, the installation stability of the external optical fiber is improved, the situation that the optical fiber moves when the dustproof cap is screwed is prevented, the stability of signal transmission is improved, the connection is avoided to move easily, the stability of optical fiber connection is influenced, and the problem that signal transmission is interrupted or quality is reduced is caused.

[0015] 2、the dustproof assembly is further pressed and fixed to the external optical fiber through the upper pressing end and the lower fixed end, and dust is prevented from entering the inside of the connecting body, and practicality is improved. ACCURATE DRAWINGS

[0016] Figure 1 It is the whole structure schematic diagram of the utility model;

[0017] Figure 2 It is the upper fixed end structure schematic diagram of the utility model;

[0018] Figure 3 It is the clamping block structure schematic diagram of the utility model;

[0019] Figure 4 It is the first fastening tooth, second fastening tooth structure schematic view of the utility model;

[0020] Figure 5 It is the dustproof assembly structure schematic view of the utility model.

[0021] Mark explanation: 1, connecting body; 21, lower fixed end; 22, upper pressing end; 23, semicircular block; 24, rotating shaft; 25, L support; 26, limiting rod; 27, fixed disc; 28, spring; 29, push block; 210, clamping block; 211, plugboard; 212, first fastening tooth; 213, second fastening tooth; 31, limiting frame; 32, external thread; 33, dustproof cap; 34, internal thread; 35, anti-skid sleeve. Specific implementation

[0022] The utility model is further explained below in combination with the drawings and examples.

[0023] Please refer to Figure 1 - Figure 5 The utility model provides a kind of embodiment: optical fiber quick connector, including connecting body 1, still including lower fixed end 21 and dustproof assembly, the right end of connecting body 1 is provided with dustproof assembly, the right end of connecting body 1 is fixedly connected with lower fixed end 21, the right end of connecting body 1 is provided with upper pressing end 22, the top of connecting body 1 is fixedly connected with semicircular block 23, rotating shaft 24 is rotatably connected in the inside of semicircular block 23, L support 25 is fixedly connected to the outside of rotating shaft 24, upper pressing end 22 is fixedly connected at the end of L support 25 away from rotating shaft 24, the inside of lower fixed end 21 is fixedly connected with first fastening tooth 212 and second fastening tooth 213, first fastening tooth 212 and second fastening tooth 213 are fixedly connected in the inside of upper pressing end 22, by rotating and pressing lower pressure upper pressing end 22, by first fastening tooth 212 and second fastening tooth 213 in the inside of upper pressing end 22, the installation stability of external optical fiber protection sheath is improved, prevent the case that optical fiber moves when dustproof cap 33 is screwed, the stability of signal transmission is improved, dustproof assembly is further pressed and fixed to external optical fiber by upper pressing end 22 and lower fixed end 21, and prevent dust from entering the inside of connecting body 1, improve practicability, first fastening tooth 212 is provided with five groups, five groups of first fastening tooth 212 are sequentially distributed in the inside of lower fixed end 21 and upper pressing end 22 from left to right, so that its external optical fiber protection sheath is pressed and fixed, and installation stability is improved, second fastening tooth 213 is provided with four groups, four groups of second fastening tooth 213 are sequentially distributed in the inside of lower fixed end 21 and upper pressing end 22 from right to left, so that its external optical fiber protection sheath is pressed and fixed, and installation stability is improved.

[0024] Please refer to Figure 2- Figure 4 In the embodiment, the bottom of the upper pressing end 22 is fixedly connected with an insertion plate 211, the insertion plate 211 is arranged inside the lower fixed end 21, the inside of the semicircular block 23 is slidably connected with a limiting rod 26, the outside of the limiting rod 26 is fixedly connected with a pushing block 29, the rear end of the pushing block 29 is fixedly connected with a clamping block 210, the clamping block 210 is clamped inside the L-shaped support 25, the end of the limiting rod 26 away from the pushing block 29 is fixedly connected with a fixed disc 27, the fixed disc 27 and the semicircular block 23 are fixedly connected with a spring 28, the upper pressing end 22 is turned and pressed down, the first fastening tooth 212 and the second fastening tooth 213 inside the upper pressing end 22 are used to press and fix the protective outer skin of the external optical fiber, the installation stability of the external optical fiber is improved, the situation that the optical fiber moves when the dustproof cap 33 is screwed is prevented, the stability of signal transmission is improved, the lower fixed end 21 is provided with a groove corresponding to the position of the insertion plate 211, the insertion plate 211 is arranged in the groove of the lower fixed end 21, so that the upper pressing end 22 is turned and pressed down, the insertion plate 211 gradually enters the corresponding groove of the lower fixed end 21 during the pressing process, the first fastening tooth 212 and the second fastening tooth 213 inside the upper pressing end 22 are used to press and fix the protective outer skin of the external optical fiber, so that when the insertion plate 211 contacts the deepest part of the groove of the lower fixed end 21, the pushing block 29 is loosened, at this time, the compressed spring 28 drives the clamping block 210 to be clamped into the groove of the L-shaped support 25 through the elasticity of the spring 28, so that the upper pressing end 22 is fixed, the connection and fixation of the upper pressing end 22 and the lower fixed end 21 are realized, the L-shaped support 25 is provided with a groove corresponding to the position of the clamping block 210, the clamping block 210 is clamped in the groove of the L-shaped support 25, the upper pressing end 22 is fixed through the clamping block 210 clamped into the groove of the L-shaped support 25, so that the external optical fiber is preliminarily fixed, and the stability of the installation of the external optical fiber is improved.

[0025] Please refer to Figure 5 In the embodiment, the dustproof assembly comprises a limiting frame 31, the limiting frame 31 is fixedly connected to the outside of the lower fixed end 21, the limiting frame 31 is fixedly connected to the outside of the upper pressing end 22, the outside of the upper pressing end 22 is provided with an external thread 32, the external thread 32 is arranged on the outside of the lower fixed end 21, the outside of the lower fixed end 21 and the upper pressing end 22 is provided with a dustproof cap 33, the inside of the dustproof cap 33 is provided with an internal thread 34, the internal thread 34 is threadedly connected to the outside of the external thread 32, the outside of the dustproof cap 33 is fixedly connected with an anti-skid sleeve 35, the dustproof assembly further press-fixes the external optical fiber through the upper pressing end 22 and the lower fixed end 21, prevents dust from entering the inside of the connecting body 1, improves the practicability, the limiting frame 31 is provided with two, the two limiting frames 31 are fixedly arranged on the outside of the upper pressing end 22 and the lower fixed end 21, so that when the limiting frame 31 limits the dustproof cap 33, the rotation of the upper pressing end 22 is not affected, and the stability is improved.

[0026] In the work, first dust cap 33 from the lower fixed end 21 and the outer compression end 22 of the outer screw, sleeve joint in the connection end of the external optical fiber, after the external optical fiber according to the installation specification cutting out the bare fiber part, by moving the dial block 29 to the front end, make it will card block 210 move out of the groove of L support 25, again through the rotating shaft 24 rotating open upper compression end 22, after the external optical fiber into the first fastening tooth 212 and the second fastening tooth 213 between the lower fixed end 21, and through the connection body 1 will be the protective outer skin of the external optical fiber card, so that the bare fiber part through the internal connection of the connection body 1 and the built-in optical fiber connection, after the completion of the connection, dial block 29 to the front end, make it will spring 28 compression, rotating the upper compression end 22, the lower compression process, the plug plate 211 will gradually into the corresponding groove of the lower fixed end 21, through the first fastening tooth 212 and the second fastening tooth 213 inside the upper compression end 22 to the external optical fiber protective outer skin compression fixed, so that the plug plate 211 contact to the deepest part of the groove of the lower fixed end 21, release the dial block 29, the compressed spring 28 by its own elasticity make it drive the card block 210 carding to the groove of L support 25, make it will the upper compression end 22 fixed, realize the connection and fixed of the upper compression end 22 and the lower fixed end 21, so as to realize the preliminary fixed of the external optical fiber, through the first fastening tooth 212 and the second fastening tooth 213 inside the lower fixed end 21 and the upper compression end 22 fixed, make it to the external optical fiber protective outer skin compression fixed, improve the installation stability, after the dust cap 33 of the external optical fiber on the inner thread 34 and the outer thread 32 of the upper compression end 22 and the lower fixed end 21 of the dust cap 33, and rotate the anti slip sleeve 35, so that the dust cap 33 to the left of the rotation, realize the further compression fixed of the upper compression end 22 and the lower fixed end 21 to the external optical fiber, and prevent dust into the inside of the connection body 1, improve the practicability.

[0027] Through the above steps, by rotating the upper compression end 22, through the first fastening tooth 212 and the second fastening tooth 213 inside the upper compression end 22 to the external optical fiber protective outer skin compression fixed, improve the installation stability of the external optical fiber, prevent the fiber movement when rotating the dust cap 33, improve the stability of signal transmission, to solve the problem of avoiding the connection easy to move, affect the stability of the optical fiber connection, lead to the interruption or quality decline of signal transmission.

Claims

1. A fiber optic quick connector comprising a connecting body (1), characterized in that: The dustproof assembly is arranged at the right end of the connecting body (1), the lower fixed end (21) is fixedly connected to the right end of the connecting body (1), the upper pressing end (22) is arranged at the right end of the connecting body (1), the semi-circular block (23) is fixedly connected to the top of the connecting body (1), the rotating shaft (24) is rotatably connected to the inside of the semi-circular block (23), the L-shaped support (25) is fixedly connected to the outside of the rotating shaft (24), the upper pressing end (22) is fixedly connected to one end of the L-shaped support (25) away from the rotating shaft (24), the first fastening tooth (212) and the second fastening tooth (213) are fixedly connected to the inside of the lower fixed end (21).

2. The fiber optic quick connector of claim 1, wherein: The first fastening tooth (212) is arranged in five groups, and the five groups of first fastening teeth (212) are sequentially arranged in the inside of the lower fixed end (21) and the upper pressing end (22) from left to right.

3. The fiber optic quick connector of claim 1, wherein: The second fastening tooth (213) is arranged in four groups, and the four groups of second fastening teeth (213) are sequentially arranged in the inside of the lower fixed end (21) and the upper pressing end (22) from right to left.

4. The fiber optic quick connector of claim 1, wherein: The bottom of the upper pressing end (22) is fixedly connected with the plug plate (211), the plug plate (211) is arranged in the inside of the lower fixed end (21), the inside of the semi-circular block (23) is slidably connected with the limiting rod (26), the outside of the limiting rod (26) is fixedly connected with the pushing block (29), the rear end of the pushing block (29) is fixedly connected with the clamping block (210), the clamping block (210) is clamped in the inside of the L-shaped support (25), one end of the limiting rod (26) away from the pushing block (29) is fixedly connected with the fixed disc (27), the fixed disc (27) and the semi-circular block (23) are fixedly connected with the spring (28).

5. The fiber optic quick connector of claim 4, wherein: The lower fixed end (21) is provided with a groove corresponding to the position of the plug plate (211), and the plug plate (211) is arranged in the groove of the lower fixed end (21).

6. The fiber optic quick connector of claim 4, wherein: The L-shaped support (25) is provided with a groove corresponding to the position of the clamping block (210), and the clamping block (210) is clamped in the groove of the L-shaped support (25).

7. The fiber optic quick connector of claim 1, wherein: The dustproof assembly comprises a limiting frame (31), the limiting frame (31) is fixedly connected to the outside of the lower fixed end (21), the limiting frame (31) is fixedly connected to the outside of the upper pressing end (22), the outside of the upper pressing end (22) is provided with an external thread (32), the external thread (32) is arranged on the outside of the lower fixed end (21), the outside of the lower fixed end (21) and the upper pressing end (22) is provided with a dustproof cap (33), the inside of the dustproof cap (33) is provided with an internal thread (34), the internal thread (34) is threadedly connected to the outside of the external thread (32), and the outside of the dustproof cap (33) is fixedly connected with an anti-skid sleeve (35).

8. The fiber optic quick connector of claim 7, wherein: The limiting frame (31) is arranged in two, and the two limiting frames (31) are respectively fixed to the outside of the upper pressing end (22) and the lower fixed end (21).

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