CN209765103U - Waterproof type fiber connector - Google Patents

Abstract

The utility model discloses a waterproof type fiber connector, including an interior casing and an shell body, be provided with a jack in the interior casing, optic fibre inserts from the both ends of jack, is provided with waterproof cover between interior casing and the shell body, waterproof cover and interior casing and shell body integrated into one piece, the outside that the both ends of waterproof cover extended interior casing forms the first waterproof end and the waterproof end of second that size and shape are the same all, the internal diameter along keeping away from the inner shell direction of first waterproof end and the waterproof end of second reduces gradually, is provided with first coupling mechanism and second coupling mechanism on the surface of first waterproof end and the waterproof end of second respectively, is provided with first scroll cover and second scroll cover on first coupling mechanism and the second coupling mechanism's the surface respectively. The utility model discloses a waterproof type fiber connector, simple structure, intensity is high, has good dampproofing waterproof effect, can effectively protect the connector, prolongs the life of optic fibre.

Description

Waterproof type fiber connector

Technical Field

The utility model relates to an optical fiber communication device technical field, in particular to waterproof type fiber connector.

background

The optical fiber connector is a device for making detachable (movable) connection between optical fibers, and precisely butt-joints two end faces of the optical fibers so as to maximally couple the light energy output by the transmitting optical fiber into the receiving optical fiber and minimize the influence on the system caused by the optical fiber connector intervening in the optical link, which is the basic requirement of the optical fiber connector. To some extent, fiber optic connectors affect the reliability and performance of optical transmission systems.

Fiber connector meets moist weather or rainy day in the use, and moisture easily enters into the connector from the both ends of connector in, causes the sinle silk moist to influence the result of use of light, cause the damage even.

SUMMERY OF THE UTILITY MODEL

The main object of the utility model is to provide a waterproof type fiber connector to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the present invention provides a waterproof optical fiber connector, which comprises an inner shell and an outer shell, wherein a jack is arranged in the inner shell, an optical fiber is inserted from both ends of the jack, the cross sections of the inner shell and the outer shell are both circular, the inner diameter of the middle position is larger than the inner diameters of both ends, a waterproof jacket is arranged between the inner shell and the outer shell, the waterproof jacket is integrally formed with the inner shell and the outer shell, both ends of the waterproof jacket extend out of the outer side of the inner shell and form a first waterproof end and a second waterproof end with the same size and shape, the inner diameters of the first waterproof end and the second waterproof end along the direction far away from the inner shell are gradually reduced, a first connecting mechanism and a second connecting mechanism are respectively arranged on the outer surfaces of the first waterproof end and the second waterproof end, the first connecting mechanism and the second connecting mechanism are respectively integrally formed with the first waterproof end and the second waterproof end, the outer surfaces of the first connecting mechanism and the second connecting mechanism are respectively provided with a first spiral sleeve and a second spiral sleeve.

Preferably, the first connecting mechanism is composed of a plurality of first connecting blocks, two adjacent first connecting blocks in the plurality of first connecting blocks are disconnected with each other, first connecting threads are arranged on the outer surfaces of the first connecting blocks, and threads between the two adjacent first connecting threads are sequentially connected with each other.

Preferably, the second connecting mechanism is composed of a plurality of second connecting blocks, two adjacent second connecting blocks in the plurality of second connecting blocks are disconnected with each other, second connecting threads are arranged on the outer surfaces of the second connecting blocks, and threads between the two adjacent second connecting threads are connected with each other in a sequential manner.

Preferably, the first and second waterproof ends are provided at the inner portions thereof with first and second connection holes communicating with the insertion hole of the inner case, respectively, and the optical fiber is inserted into the first and second connection holes.

Preferably, the waterproof jacket is made of elastic expansion waterproof material.

Preferably, the first waterproof end and the second waterproof end are both made of elastic expansion waterproof materials.

The utility model discloses a waterproof type fiber connector, simple structure, intensity is high, has good dampproofing waterproof effect, can effectively protect the connector, prolongs the life of optic fibre.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a waterproof optical fiber connector according to an embodiment of the present invention;

Fig. 2 is a schematic structural diagram of a waterproof optical fiber connector according to another embodiment of the present invention.

The reference numbers illustrate:

The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

In the embodiment of the present invention, referring to fig. 1 and 2, the waterproof optical fiber connector comprises an inner housing 1 and an outer housing 2, a jack 3 is provided in the inner housing 1, optical fibers are inserted from both ends of the jack 3, the cross sections of the inner housing 1 and the outer housing 2 are circular, the inner diameter of the middle position is larger than the inner diameters of both ends, a waterproof jacket 4 is provided between the inner housing 1 and the outer housing 2, the waterproof jacket 4 is integrally formed with the inner housing 1 and the outer housing 2, both ends of the waterproof jacket 4 extend out of the outer side of the inner housing 1 and form a first waterproof end 5 and a second waterproof end 6 having the same size and shape, the inner diameters of the first waterproof end 5 and the second waterproof end 6 are gradually reduced along the direction away from the inner housing, the first connecting hole 11 and the second connecting hole 12 are respectively provided inside the first waterproof end 5 and the second waterproof end 6 and are communicated with the jack 3 of the inner housing 1, the optical fiber penetrates from the first connection hole 11 and the second connection hole 12.

Further, a first connecting mechanism 7 and a second connecting mechanism 8 are respectively arranged on the outer surfaces of the first waterproof end 5 and the second waterproof end 6, the first connecting mechanism 7 and the second connecting mechanism 8 are respectively and integrally formed with the first waterproof end 5 and the second waterproof end 6, and a first spiral sleeve 9 and a second spiral sleeve 10 are respectively arranged on the outer surfaces of the first connecting mechanism 7 and the second connecting mechanism 8.

Furthermore, the first connecting mechanism 7 is composed of a plurality of first connecting blocks 71, two adjacent first connecting blocks of the plurality of first connecting blocks 71 are disconnected from each other, so as to facilitate extrusion of the first waterproof end 5, first connecting threads 72 are arranged on the outer surface of the first connecting blocks 71, and threads between two adjacent first connecting threads 72 are sequentially connected with each other, so that the first screw sleeve 9 is more smoothly connected with the threads. The second connecting mechanism 8 comprises a plurality of second connecting blocks 81, two adjacent second connecting blocks in the plurality of second connecting blocks 81 are mutually disconnected, the second waterproof end 6 is conveniently extruded, second connecting threads 82 are arranged on the outer surface of the second connecting blocks 81, and threads between the two adjacent second connecting threads 82 are mutually connected in sequence, so that the second spiral sleeve 10 is more smoothly connected with the threads.

When carrying out optical fiber connection, optic fibre inserts and docks from first connecting hole 11 and the second connecting hole 12 in the first waterproof end 5 at both ends and the waterproof end 6 of second, then turn round first helical casing 9 and second helical casing 10 respectively, first helical casing 9 and first connecting thread 72 mutually support, because the internal diameter of first waterproof end 5 crescent, at the in-process of knob, the gradual first waterproof end 5 of squeezing of a plurality of first splice block 71, thereby make the continuous close final laminating of subsides of the inner wall of first waterproof end 5 and the outer wall of optic fibre, prevent into water. Similarly, the second screw sleeve 10 is mutually matched with the second connecting thread 82, and because the inner diameter of the second waterproof end 6 is gradually increased, the first connecting blocks 81 gradually extrude the second waterproof end 6 in the process of the knob, so that the inner wall of the second waterproof end 6 is continuously attached to the outer wall of the optical fiber and finally tightly attached to the outer wall of the optical fiber.

In this embodiment, the waterproof jacket 4, the first waterproof end 5 and the second waterproof end 6 are made of an elastically expandable waterproof material. The elastic expansion waterproof material is a high-performance waterproof coating which is prepared by scientifically processing high-grade acrylic emulsion serving as a base material and adding a plurality of auxiliaries and fillers. The waterproof paint is an upgrading product of common waterproof paint, and due to the addition of various polymer additives, the waterproof performance of the waterproof paint is better than that of a common waterproof product, and the waterproof paint has high strength and tensile ductility and can cover cracks.

The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structure changes made by the contents of the specification and the drawings under the inventive concept of the present invention, or the direct/indirect application in other related technical fields are included in the patent protection scope of the present invention.

Claims (6)

1. A waterproof optical fiber connector comprises an inner shell and an outer shell, wherein the inner shell is internally provided with a jack, optical fibers are inserted from two ends of the jack, it is characterized in that the cross sections of the inner shell and the outer shell are circular, the inner diameter of the middle position is larger than the inner diameters of the two ends, a waterproof sleeve is arranged between the inner shell and the outer shell, waterproof cover and interior casing and shell body integrated into one piece, the both ends of waterproof cover extend the outside of interior casing and form size and the equal same first waterproof end of shape and the waterproof end of second, the internal diameter of keeping away from the inner shell direction of first waterproof end and the waterproof end of second reduces gradually, be provided with first coupling mechanism and second coupling mechanism on the surface of the waterproof end of first waterproof end and second respectively, first coupling mechanism and second coupling mechanism respectively with the waterproof end of first waterproof end and second integrated into one piece, be provided with first spiral shell and second spiral shell on the surface of first coupling mechanism and second coupling mechanism respectively.

2. The waterproof optical fiber connector according to claim 1, wherein the first connecting mechanism comprises a plurality of first connecting blocks, adjacent first connecting blocks of the plurality of first connecting blocks are disconnected from each other, first connecting threads are provided on outer surfaces of the first connecting blocks, and threads between adjacent first connecting threads are connected in series with each other.

3. The waterproof optical fiber connector according to claim 1, wherein the second connecting mechanism comprises a plurality of second connecting blocks, adjacent two of the plurality of second connecting blocks are disconnected from each other, second connecting threads are provided on outer surfaces of the second connecting blocks, and threads between adjacent two of the second connecting threads are in direct contact with each other.

4. The waterproof optical fiber connector according to claim 1, wherein the first waterproof end and the second waterproof end are provided at inner portions thereof with a first connection hole and a second connection hole, respectively, which are communicated with the insertion hole of the inner housing, and the optical fiber is inserted through the first connection hole and the second connection hole.

5. The waterproof optical fiber connector according to claim 1, wherein the waterproof jacket is made of an elastically expandable waterproof material.

6. The waterproof fiber optic connector of claim 1, wherein the first waterproof end and the second waterproof end are made of an elastically expandable waterproof material.