Detection device for fiber penetration of MT head

Abstract

The utility model belongs to the technical field of MT head fiber penetration detection devices, and particularly relates to a detection device for MT head fiber penetration, which comprises a detector body, a detection groove arranged at the front end of the detector body, a limit sleeve sleeved on the surface of the detection groove, a side wall of the limit sleeve in threaded connection with the detector body through a first bolt, and an adjusting rod connected with the front end of the limit sleeve. A sliding groove is formed in the side wall of the adjusting rod, the surface of the sliding groove is slidably connected with a movable ring, the top of the transverse end of the movable ring is in threaded connection with the adjusting rod through a second bolt, the inner wall of the movable ring is connected with a rubber ring in an embedded mode, the inner wall of the rubber ring is sleeved with a dustproof plug, and the surface of the rear end of the dustproof plug abuts against an opening of the detection groove. The position of the adjusting rod at the front end is conveniently fixed through the limiting sleeve sleeved at the front end of the detection groove, so that the rubber ring on the movable moving ring on the adjusting rod is used for sleeving the optical fiber cable to be detected, the connection between the optical fiber cable and the detection groove is fixed, and the optical fiber is prevented from slipping off to influence the detection during the detection.

Description

Technical Field

[0001] The utility model belongs to the technical field of MT head fiber insertion detection devices, and particularly relates to a detection device for MT head fiber insertion. Background Art

[0002] The inspection device for fiber threading of MT heads (usually referring to MT-RJ, MTP / MPO and other types of optical fiber connectors) is a device specially designed to test and verify parameters such as the end face quality, optical fiber alignment, and insertion loss of MT heads. During the production of certified MT head optical fibers, the end face of the certified MT head optical fiber is inserted into the inspection port of the inspection device, so that the end face quality and optical fiber alignment of the certified MT head optical fiber can be observed through the display screen. However, this device still has the following defects: when the above-mentioned device is in use, the existing optical fiber end face detector directly inserts the port to be inspected into the inspection slot for inspection. During optical fiber inspection, the optical fiber line is easily caused to fall off from the inspection slot due to hanging on the rear side, thereby affecting the inspection. Utility Model Content

[0003] The purpose of the present utility model is to provide a detection device for MT head fiber insertion, aiming to solve the problem in the prior art that when the above-mentioned equipment is used, the existing optical fiber end face detector directly inserts the port to be tested into the detection slot for detection. During the optical fiber detection, the optical fiber line is easily dropped from the detection slot due to hanging on the rear side, thereby affecting the detection.

[0004] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: A detection device for MT head fiber insertion, comprising: a detector body, a detection groove is provided at the front end of the detector body, a limit sleeve is sleeved on the surface of the detection groove, the side wall of the limit sleeve is threadedly connected to the detector body by a first bolt, the front end of the limit sleeve is connected to the adjustment rod, a sliding groove is provided on the side wall of the adjustment rod, the surface of the sliding groove is slidably connected to the movable ring, the top of the horizontal end of the movable ring is threadedly connected to the adjustment rod by a second bolt, the inner wall of the movable ring is engaged with a rubber ring, the inner wall of the rubber ring is sleeved with a dust plug, and the rear end surface of the dust plug abuts against the opening of the detection groove.

[0005] In order to utilize the limiting sleeve to be sleeved on the detection groove and thus fix its position on the detector body, as a preferred detection device for MT head fiber insertion of the utility model, the limiting sleeve has a limiting groove at the rear end thereof, and its shape and size are consistent with the outer wall of the detection groove.

[0006] In order to use the first bolt to fix the position of the limiting sleeve on the detector body, as a preferred detection device for MT head fiber insertion of the utility model, the detector body, the limiting sleeve and the first bolt form a threaded connection structure.

[0007] In order to fix the position of the movable ring on the adjusting rod by the second bolt, as a preferred detection device for MT head fiber insertion of the utility model, a row of circular thread grooves are evenly spaced on the top of the adjusting rod, and the shape and size of the grooves are consistent with the second bolt.

[0008] In order to facilitate fixing the position of the movable ring on the adjusting rod by utilizing the threaded grooves on both sides of the movable ring, as a preferred detection device for MT head fiber insertion in the present invention, the movable ring is an integrated structure with cylindrical long rods arranged laterally on both sides of the annular structure, and threaded grooves are respectively provided on the top of both sides of the far end of the movable ring cross rod.

[0009] In order to facilitate the installation and fixing of the dust plug and the optical fiber to be tested by fitting the rubber ring on the movable ring, as a preferred detection device for MT head fiber insertion in the present invention, circular protrusions are provided on both sides of the rubber ring, whose shape and size are consistent with the card slot at the front end of the movable ring, and the rubber ring is made of elastic material.

[0010] Compared with the prior art, the beneficial effects of the present invention are:

[0011] The limit sleeve is sleeved on the front end of the detection slot to fix the position of the adjustment rod at its front end, so that the rubber ring on the movable ring on the adjustment rod is used to sleeve the optical fiber to be tested, thereby fixing its connection with the detection slot and preventing the optical fiber from slipping and affecting the detection during detection;

[0012] When not in use, the rubber ring provided on the movable ring is used to facilitate the sleeve installation of the dust plug, so that the dust plug abuts against the front end opening of the detection slot to prevent dust and dirt from invading the detection slot and affecting the detection results. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0014] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0015] Figure 2 This is a side structural diagram of the present utility model;

[0016] Figure 3 This is a schematic diagram of the top structure of the utility model;

[0017] Figure 4 This is an enlarged structural diagram of the limiting sleeve and the adjusting rod of the utility model;

[0018] Figure 5 This is an enlarged structural diagram of the movable ring and rubber ring of the utility model.

[0019] In the figure: 1. Detector body; 2. Detection slot; 3. Limit sleeve; 4. First bolt; 5. Adjustment rod; 6. Slide groove; 7. Moving ring; 8. Second bolt; 9. Rubber ring; 10. Dust plug. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0021] See also Figure 1-5 The utility model provides the following technical solutions: a detection device for MT head fiber insertion, including: a detector body 1, the detector body 1 model is: optical fiber end face detector.

[0022] A detection groove 2 is provided at the front end of the detector body 1, and a limit sleeve 3 is sleeved on the surface of the detection groove 2. The side wall of the limit sleeve 3 is threadedly connected to the detector body 1 by a first bolt 4. The front end of the limit sleeve 3 is connected to the adjusting rod 5, and a slide groove 6 is provided on the side wall of the adjusting rod 5. The surface of the slide groove 6 is slidably connected to the moving ring 7. The top of the horizontal end of the moving ring 7 is threadedly connected to the adjusting rod 5 by a second bolt 8. The inner wall of the moving ring 7 is embedded with a rubber ring 9, and the inner wall of the rubber ring 9 is sleeved with a dust plug 10. The rear end surface of the dust plug 10 abuts against the opening of the detection groove 2.

[0023] Preferably, a limiting groove is provided at the rear end of the limiting sleeve 3 , and the shape and size of the limiting groove are consistent with the outer wall of the detection groove 2 .

[0024] During specific use, the limiting sleeve 3 is sleeved on the surface of the detection slot 2 to fix its position at the front end of the detector body 1 .

[0025] Preferably, the detector body 1 , the limiting sleeve 3 and the first bolt 4 form a threaded connection structure.

[0026] During specific use, the first bolt 4 is passed through the connecting ears on both sides of the limiting sleeve 3 and fixed on the thread groove at the front end of the detector body 1 to fix its position.

[0027] Preferably, a row of circular thread grooves are provided at equal intervals on the top of the adjusting rod 5 , and the shape and size of the circular thread grooves are consistent with those of the second bolts 8 .

[0028] During use, the second bolt 8 fixed between the adjusting rod 5 and the movable ring 7 is unscrewed to facilitate the movement of the movable ring 7 on the adjusting rod 5 , and the second bolt 8 is used to fix the movable ring 7 on the thread groove at the corresponding position on the top of the adjusting rod 5 .

[0029] Preferably, the movable ring 7 is an integrated structure with cylindrical long rods provided transversely on both sides of the annular structure, and thread grooves are respectively provided on the tops of both sides of the distal ends of the transverse rods of the movable ring 7.

[0030] During specific use, the threaded grooves provided on the tops of both ends of the moving ring 7 are utilized to fix the position of the moving ring 7 on the adjusting rod 5 .

[0031] Preferably, circular protrusions are provided on both sides of the rubber ring 9 , the shape and size of which are consistent with the front end slot of the movable ring 7 , and the rubber ring 9 is made of elastic material.

[0032] During specific use, the slot provided at the front end of the movable ring 7 is used to fix the position of the rubber ring 9 thereon. At the same time, the rubber ring 9 can be sleeved on the optical fiber line to fix its position.

[0033] Working principle: When it is necessary to inspect the MT head fiber insertion end face, pull out the dust plug 10 abutting against the inspection slot 2, then pull it outward to separate it from the sleeved rubber ring 9, then pass the MT head fiber insertion line through the rubber ring 9 and sleeve it inside, then unscrew the second bolt 8 fixed between the adjusting rod 5 and the movable ring 7, so that the movable ring 7 slides forward on the movable ring 7 on the side wall of the adjusting rod 5, so that the MT head fiber insertion end sleeved on the rubber ring 9 is inserted into the inspection slot 2, and the position of the movable ring 7 is fixed by the second bolt 8, so as to facilitate the inspection of the MT head fiber insertion and prevent the MT head fiber insertion from falling off from the inspection slot 2 during the inspection. After the inspection is completed, the above operation can be repeated, and the dust plug 10 is abutted against the inspection slot 2 to protect it.

[0034] Finally, it should be noted that the above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art will be able to modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein with equivalents. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. A detection device for MT head fiber insertion, comprising: The detector body (1) is characterized in that: the front end of the detector body (1) is provided with a detection groove (2), the surface of the detection groove (2) is sleeved with a limit sleeve (3), the side wall of the limit sleeve (3) is threadedly connected to the detector body (1) by a first bolt (4), the front end of the limit sleeve (3) is connected to the adjustment rod (5), the side wall of the adjustment rod (5) is provided with a slide groove (6), the surface of the slide groove (6) is slidably connected to the moving ring (7), the top of the horizontal end of the moving ring (7) is threadedly connected to the adjustment rod (5) by a second bolt (8), the inner wall of the moving ring (7) is engaged with a rubber ring (9), the inner wall of the rubber ring (9) is sleeved with a dust plug (10), and the rear end surface of the dust plug (10) abuts against the opening of the detection groove (2).

2. The device for detecting MT head fiber insertion according to claim 1, characterized in that: The rear end of the limiting sleeve (3) is provided with a limiting groove, the shape and size of which are consistent with the outer wall of the detection groove (2).

3. The device for detecting MT head fiber insertion according to claim 1, characterized in that: The detector body (1), the limiting sleeve (3) and the first bolt (4) form a threaded connection structure.

4. The device for detecting MT head fiber insertion according to claim 1, characterized in that: The top of the adjusting rod (5) is provided with a row of circular thread grooves at equal intervals, and the shape and size of the grooves are consistent with those of the second bolt (8).

5. The device for detecting MT head fiber insertion according to claim 1, characterized in that: The movable ring (7) is an integrated structure with cylindrical long rods provided transversely on both sides of the annular structure, and thread grooves are respectively provided on the tops of both sides of the distal end of the transverse rods of the movable ring (7).

6. The device for detecting MT head fiber insertion according to claim 1, characterized in that: Circular protrusions are provided on both sides of the rubber ring (9), the shape and size of which are consistent with the front end slot of the movable ring (7), and the rubber ring (9) is made of elastic material.

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