CN212540785U

CN212540785U - Single-core watertight optical fiber connector plug

Info

Publication number: CN212540785U
Application number: CN202021358218.1U
Authority: CN
Inventors: 薛小明; 姚强
Original assignee: Luoyang Saiyan Photoelectric Technology Co ltd
Current assignee: Jiangsu Naguang Communication Technology Co.,Ltd.
Priority date: 2020-07-10
Filing date: 2020-07-10
Publication date: 2021-02-12
Anticipated expiration: 2030-07-10

Abstract

The utility model discloses a single core watertight fiber connector plug, including plug housing and extrusion assembly cover behind the plug of this plug housing afterbody, the plug housing afterbody is equipped with support gasket and lock washer that is used for supplying the cable to pass and lock washer and plug after the cover cooperation compress tightly the tensile properties that the barb that makes set up on it promptly strengthens the cable of cable crust. The single-core watertight optical fiber connector plug of the utility model is internally provided with the barb structure, thereby improving the tensile capacity of the connector; the tail part is designed to be a sharp corner, and the tail part is sealed by extrusion installation; the tail part of the plug improves the sealing property of the connector by using a horn mouth structure; the tail part of the optical cable is provided with the rubber sheath, so that the bending radius of the optical cable during working is ensured; the bottom of the O-shaped ring groove is arranged to be an inclined plane at the insertion connection part, so that high reliability of product sealing is realized.

Description

Single-core watertight optical fiber connector plug

Technical Field

The utility model relates to a single core watertight fiber connector plug belongs to fiber connector technical field.

Background

The tail part of the plug end of the existing deepwater connector is usually sealed by a vulcanization process, the process has good sealing effect, but the cost of a special vulcanization mold required to be manufactured is higher, and waste gas and the like generated in the vulcanization process have certain pollution to the environment. In addition, the existing deepwater connector plug also has the problems of poor cable anti-loosening performance and influence on the use of the connector.

Disclosure of Invention

In order to solve the problem, the utility model provides a single core watertight fiber connector plug of a novel structure through afterbody structural design, has realized reaching the effect that reduces product cost and to the environmental pollution-free through mechanical structure to solve the problem that current connector seals with high costs, polluted environment.

The purpose of the utility model and the technical problem to be solved are realized by adopting the following technical scheme. The basis the utility model provides a single core watertight fiber connector plug, cover behind the plug of this plug housing afterbody including plug housing and extrusion assembly, plug housing afterbody is equipped with support gasket and lock washer that are used for supplying the cable to pass and is pressed tightly with the cover cooperation behind the plug and makes the tensile property of the promptly cable crust reinforcing cable of barb that sets up on it.

The purpose of the present invention and the technical problem thereof can be further achieved by the following technical measures.

In the single-core watertight optical fiber connector plug, the supporting gasket is limited by the first step stop in the plug shell, and the plug rear sleeve is provided with a step surface for installing a rear extrusion locking gasket.

According to the single-core watertight optical fiber connector plug, the front end face of the plug rear sleeve is a sharp-angled structure which is used for realizing mechanical sealing with a plug shell through forced deformation during extrusion assembly.

In the single-core watertight optical fiber connector plug, the bottom of the O-ring groove on the outer periphery of the plug housing for assembling the O-ring for sealing the mating surface has a downward inclination angle from front to back along the axial direction of the plug housing.

In the single-core watertight optical fiber connector plug, the tail end of the plug rear sleeve is of a horn mouth structure with a large mouth end arranged at the rear part and sealed with the cable in a glue filling manner.

According to the single-core watertight optical fiber connector plug, the plug rear sleeve is connected with the plug sheath through the concave-convex matching of the annular groove formed in the outer peripheral surface and the inner step at the front end of the plug sheath.

The single-core watertight optical fiber connector plug is characterized in that the sheath is made of rubber materials.

In the single-core watertight optical fiber connector plug, an annular groove for assembling a sealing member for sealing with the socket shell is further formed in the plug rear sleeve.

Compared with the prior art, the utility model obvious advantage and beneficial effect have. Borrow by above-mentioned technical scheme, the utility model discloses single core watertight fiber connector plug can reach comparable technical progress nature and practicality to have the wide use value in industry, it has following advantage at least:

the single-core watertight optical fiber connector plug of the utility model is internally provided with the barb structure, thereby improving the tensile capacity of the connector; the tail part is designed to be a sharp corner, and the tail part is sealed by extrusion installation; the tail part of the plug improves the sealing property of the connector by using a horn mouth structure; the tail part of the optical cable is provided with the rubber sheath, so that the bending radius of the optical cable during working is ensured; the bottom of the O-shaped ring groove is arranged to be an inclined plane at the insertion connection part, so that high reliability of product sealing is realized.

Drawings

Fig. 1 is a schematic diagram of the single-core watertight optical fiber connector plug of the present invention;

fig. 2 is a schematic view of the plug housing of the present invention;

FIG. 3 is a schematic diagram of the rear cover of the plug of the present invention;

FIG. 4 is a front view of the locking washer of the present invention;

fig. 5 is a side view of the locking washer of the present invention;

fig. 6 is a schematic view of the sheath of the present invention.

[ description of main element symbols ]

1: plug shell

1.1: first O-shaped ring groove

1.2: first ring groove

1.4: first step

2: plug contact

7: plug rear cover

7.1: sharp corner structure

7.2: step surface

7.3: third ring groove

7.4: horn mouth structure

8: gasket

9: locking washer

9.1: barb structure

10: plug sheath

10.1: second step

Detailed Description

To further illustrate the technical means and effects of the present invention adopted to achieve the predetermined objects, the following detailed description will be given to specific embodiments, structures, features and effects of a single-core watertight fiber optic connector plug according to the present invention with reference to the accompanying drawings and preferred embodiments.

Please refer to fig. 1-6, which are schematic structural diagrams of each part of the single-core watertight optical fiber connector plug of the present invention, the plug includes a plug housing 1, a contact member 2, a plug rear cover 7, a gasket 8, a lock gasket 9, a sheath 10 and a sealing member.

The periphery of the plug shell 1 is provided with an O-shaped ring groove 1.1 used for assembling an O-shaped ring for realizing the sealing of an inserting face, the bottom of the O-shaped ring is provided with a downward inclined angle from front to back along the axial direction of the plug shell, the O-shaped ring is extruded by the external pressure from the direction of the front end of the plug after the connector is inserted, the O-shaped ring is pressed more and more tightly through the downward inclined surface characteristic, and finally the sealing effect of the connector is realized.

The front end of the plug rear sleeve 7 is assembled on the outer peripheral surface of the tail portion of the plug shell 1 in an extruding mode, sealing between the plug rear sleeve and the plug shell is enhanced, the front end face of the plug rear sleeve 7 is of a sharp-angled structure 7.1, and when the plug rear sleeve 7 is assembled, the plug rear sleeve 7 deforms through the sharp-angled structure 7.1, and mechanical sealing between the plug rear sleeve and the plug shell 1 is achieved.

A supporting gasket 8 and a locking gasket 9 for a cable to pass through are sequentially arranged between the plug shell 1 and the plug rear sleeve 7 from front to back, wherein the front end face of the supporting gasket 8 and a first step 1.4 arranged in the plug shell 1 are stopped and limited, and a step face 7.2 for fixing the cable by extruding the locking gasket 9 with barbs after being loaded is arranged on the plug rear sleeve 7. The utility model discloses a screw up behind the plug 7 shrink that realizes barb on lock washer 9, the cable is pushed down to the barb to realize the tensile effect of cable.

The embodiment of the utility model provides an in, lock gasket 9 is the elastic component, has 6 barb structures 9.1 on it, and gasket 8 carries on spacingly through first step 1.4 on the plug housing 1 during the assembly, and lock gasket 9 is located between gasket 8 and the plug back cover 7, extrudees lock gasket 9 through step face 7.2 on the plug back cover 7, and barb structure 9.1 contracts after the extrusion, and then presses on the cable crust, realizes the fixed of cable, makes the cable have certain tensile effect.

The rear end of the plug rear sleeve 7 is a horn mouth structure 7.4 with a large mouth end at the rear, after the cable is installed, glue is injected between the cable and the horn mouth structure to seal other cables, and under the action of water pressure, the glue between the horn mouth structure and the cable is squeezed more and more tightly, so that the sealing of the tail of the plug is realized.

The outer peripheral surface of the plug rear sleeve 7 is provided with a ring groove 7.3, the front end of the plug sheath 10 is provided with a second step 10.1 which is matched with the plug sheath 10, and the plug sheath 10 is installed through the matching of the second step 10.1 and the ring groove 7.3.

In order to adapt to the undersea environment, the plug sheath 10 is preferably made of chloroprene rubber, and the function of the chloroprene rubber is to ensure the required bending radius of the cable during normal operation and prevent the optical fiber from being broken.

The connector plug of the utility model can realize the sealing performance of the product, reduce the cost and reduce the environmental pollution through various sealing structure designs; the tail part of the plug ensures the bending radius of the optical cable during working by using the rubber sheath; the tensile capacity of the connector is improved by arranging the barb structure inside the plug.

The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the above description, and although the present invention has been disclosed with the preferred embodiment, it is not limited to the present invention, and any skilled person in the art can make modifications or changes equivalent to the equivalent embodiment of the above embodiments without departing from the scope of the present invention, but all the modifications, changes and modifications of the above embodiments by the technical spirit of the present invention are within the scope of the present invention.

Claims

1. The utility model provides a single core watertight fiber connector plug which characterized in that: the anti-pulling cable comprises a plug shell and a plug rear sleeve which is assembled at the tail of the plug shell in an extrusion mode, wherein the tail of the plug shell is provided with a supporting gasket and a locking gasket which are used for allowing a cable to pass through, and the locking gasket and the plug rear sleeve are matched and pressed to enable barbs arranged on the locking gasket to tightly grasp the cable sheath to enhance the tensile property of the cable.

2. A single core watertight fiber optic connector plug according to claim 1 wherein: the supporting gasket and the first step in the plug shell are stopped and limited, and the plug rear sleeve is provided with a step surface for loading the rear extrusion locking gasket.

3. A single core watertight fiber optic connector plug according to claim 1 wherein: the front end face of the plug rear sleeve is a sharp-angled structure which is used for realizing mechanical sealing with a plug shell through forced deformation during extrusion assembly.

4. A single core watertight fiber optic connector plug according to claim 1 wherein: the bottom of the O-shaped ring groove of the plug shell, which is used for assembling the O-shaped ring for realizing the sealing of the plugging surface, is provided with a downward inclined angle from front to back along the axial direction of the plug shell.

5. A single core watertight fiber optic connector plug according to claim 1 wherein: the tail end of the plug rear sleeve is of a horn mouth structure with a large mouth end at the back and is sealed with the cable in a glue pouring manner.

6. A single core watertight fiber optic connector plug according to claim 1 wherein: the plug rear sleeve is connected with the plug sheath through the concave-convex matching of the annular groove formed in the outer peripheral surface and the inner step at the front end of the plug sheath.

7. A single core watertight fiber optic connector plug according to claim 6 wherein: wherein the sheath is made of rubber material.

8. A single core watertight fiber optic connector plug according to claim 3 wherein: wherein, a ring groove for assembling a sealing element for realizing the sealing with the socket shell is also arranged in the plug rear sleeve.