CN219122457U

CN219122457U - Waterproof optical fiber connector

Info

Publication number: CN219122457U
Application number: CN202223343443.XU
Authority: CN
Inventors: 陈海荣; 金兴弟
Original assignee: Ningbo Dahua Communication Equipment Co ltd
Current assignee: Ningbo Dahua Communication Equipment Co ltd
Priority date: 2022-12-14
Filing date: 2022-12-14
Publication date: 2023-06-02
Anticipated expiration: 2032-12-14

Abstract

The utility model provides a waterproof optical fiber connector. The waterproof optical fiber connector comprises a cap screwing device, a rotary cover, a central hole, a clamping piece, a clamping sleeve, an external thread, a sealing ring, a sleeve and a sleeve, wherein the clamping groove is formed in one side of the central hole of the cap screwing device, the rotary cover is cylindrical, the central hole is formed in the center of the cap screwing device, one end of the central hole is provided with an internal thread, the other end of the central hole is provided with a semicircular clamping part, two ends of the clamping part are provided with the clamping piece, the clamping piece is clamped in the clamping groove, the clamping sleeve is conical, the center of the clamping sleeve is provided with a through groove cutting through one side of a frame body, a plurality of raised strips are arranged on the inner wall of the through groove, the clamping sleeve is inserted in the rotary cover, one end of the sleeve is provided with the external thread, the diameter of the sleeve is slightly larger than the internal diameter of the shell, one end of the sleeve is provided with the sealing ring, the other end of the sleeve is provided with the clamping groove, the sleeve is provided with a through hole, one side of the through hole is provided with a notch cutting through the sleeve, the sleeve is inserted in the shell, the sealing ring is positioned outside the shell on the external thread, the clamping ring is C-shaped, the clamping ring is the external diameter is identical to the sleeve, and the clamping piece is inserted in the clamping groove, and the one end is inserted in the clamping groove, and the external thread is not provided with the external thread.

Description

Waterproof optical fiber connector

Technical Field

The present utility model relates to a connector for optical fiber connection.

Background

The optical fiber connector is a component arranged at the outlet of the optical cable distribution box and used for connecting optical fibers inside and outside the box. The optical fiber connector on the market at present mainly comprises a spiral cover, a shell and a connecting port, wherein optical fibers can be spliced at two ends of the connecting port, a waterproof sleeve is further arranged in the shell for preventing rainwater from entering an optical cable fiber distribution box through the optical fiber connector, one end of the waterproof sleeve is open, the other end of the waterproof sleeve is closed, the optical fibers penetrate from the open end of the waterproof sleeve when the optical fiber connector is used, the closed end penetrates out after being punctured, and then the whole waterproof sleeve is plugged into the optical fiber connector, so that the aim of water prevention is achieved. However, in the actual use process, the waterproof sleeve is not tightly attached to the inner wall of the optical fiber connector, so that water and gas easily enter the optical cable fiber distribution box from the gap between the waterproof sleeve and the inner wall of the shell, and the waterproof effect is limited.

Disclosure of Invention

In view of the drawbacks of the existing optical fiber connectors, the technical problems to be solved by the present utility model are: provided is an optical fiber connector with more ideal waterproof effect.

In order to achieve the above object, according to one aspect of the present utility model, the present utility model is achieved by the following technical means: a waterproof fiber optic connector comprising: a cap screwing device, a jacket, a sleeve, a clamping ring, a shell and a connecting port,

the center of the cap screwing device is provided with a center hole, one side of the center hole is provided with a step, and the step is provided with a clamping groove;

the spiral cover is cylindrical, a central hole is formed in the center of the spiral cover, an internal thread is formed at one end of the central hole, a semicircular clamping part is further arranged on the spiral cover at the other end of the central hole, clamping pieces are arranged at two ends of the clamping part, and the clamping pieces are clamped in the clamping grooves;

the jacket is conical, a through groove cut through one side of the frame body is formed in the center of the jacket, a plurality of raised strips are arranged on the inner wall of the through groove, and the jacket is inserted into the spiral cover;

an external thread is arranged at one end of the shell;

the diameter of the sleeve is slightly larger than the inner diameter of the shell, a sealing ring is arranged at one end of the sleeve, the diameter of the sealing ring is larger than the outer diameter of the sleeve, a clamping ring groove is arranged at the other end of the sleeve, a through hole is formed in the center of the sleeve, a notch for cutting through the sleeve is formed in one side of the through hole, the sleeve is inserted into the shell, and the sealing ring is positioned outside the shell on the outer thread side;

the clamping ring is C-shaped, the outer diameter of the clamping ring is the same as that of the sleeve, and the clamping ring is clamped in the clamping ring groove;

the connecting port is inserted into one end of the shell body, which is not provided with external threads.

Further, the outer wall of the cap screwing device is provided with a handle. The above design is for ease of use.

Further, a plurality of evenly distributed salient points are arranged on the inner wall of the other end of the shell, which is not provided with external threads, a clamping groove I which is correspondingly distributed with the salient points and is used for clamping the salient points is arranged on the outer wall of one end of the shell, which is spliced with the connecting port, the clamping groove I consists of a horizontal part and a clamping hook part, the horizontal part is parallel to the radial direction of the connecting port, and the clamping hook part is bent towards the opening of the clamping groove I. The optical fiber connector is more convenient to install due to the design, and the setting of the clamping hook part can prevent the shell from loosening and falling.

Compared with the prior art, the utility model has the advantages that: the design of the jacket, the sleeve and the clamping ring effectively improves the waterproof performance of the optical fiber connector and prevents water from entering the optical cable fiber distribution box through the pipeline connector.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:

fig. 1 is an exploded view of a waterproof optical fiber connector according to the present utility model.

Fig. 2 is a schematic view of a cap screwing device and a cap screwing structure according to the present utility model.

FIG. 3 is a schematic view of the jacket and sleeve structure according to the present utility model.

Fig. 4 is a schematic view of a housing and a connection port according to the present utility model.

Reference numerals illustrate: 1. a cap screwing device; 2. screwing the cover; 3. a jacket; 4. a sleeve; 5. a clasp; 6. a housing; 7. a connection port; 8. a step; 10. a clamping groove; 11. a handle portion; 12. an internal thread; 13. a clamping part; 14. a clamping piece; 15 raised strips; 16. a through groove; 17. a through hole; 18. a notch; 19. a seal ring; 20. a snap ring groove; 21. an external thread; 22. a bump; 23. a clamping groove I; 24. a horizontal portion; 25. and a clamping part.

Detailed Description

The utility model will be described in detail hereinafter with reference to the drawings in conjunction with embodiments. It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other.

In the description of the present utility model, it should be understood that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," "bottom," "top," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the utility model.

Examples

Referring to fig. 1, the waterproof optical fiber connector provided in this embodiment is composed of a cap screwing device 1, a cap screwing device 2, a jacket 3, a sleeve 4, a snap ring 5, a housing 6 and a connection port 7, and further described with reference to fig. 2, wherein a handle 11 is fixed on the outer wall of the left side of the cap screwing device 1, the center of the cap screwing device 1 is provided with a center hole, a step 8 is processed on the inner wall of the right end of the center hole, a clamping groove 10 is opened on the step 8, the cap screwing device 2 is cylindrical, the center of the cap screwing device 2 is provided with a hollow, an internal thread 12 is processed on the inner wall of the right side of the center hole, a semicircular clamping part 13 extends outwards from the left end of the center hole, clamping pieces 14 are clamped in the clamping grooves 10 at two ends of the clamping part 13, further described with reference to fig. 3 is tapered, the maximum outer diameter of the right side of the jacket 3 is larger than the diameter of the inner wall of the cap screwing device 1, the jacket 3 is opened with an opening on the outer side and a through groove 16 penetrating the jacket 3, the inner wall of the through groove 16 is fixed with a plurality of raised strips 15, the diameter of the sleeve 3 is slightly larger than the inner diameter of the shell 6, the left end of the sleeve 3 is provided with a sealing ring 19, the diameter of the sealing ring 19 is larger than the outer diameter of the sleeve 3, the right end of the sleeve 3 is provided with a clamping ring groove 20, the center of the sleeve 3 is provided with a through hole 17, the lower end of the through hole 17 is provided with a notch 18 for cutting through the sleeve 3 and the sealing ring 19, the clamping ring 5 is C-shaped, the outer diameter of the clamping ring 5 is the same as the outer diameter of the sleeve 3, the outer wall of the left end of the shell 6 is provided with an external thread 21, the center of the shell 6 is provided with a center hole, the inner wall on the right side of the center hole is provided with three convex points 22 which are uniformly distributed, the outer wall of the left end of the connecting port 7 is correspondingly provided with three clamping grooves I23, the clamping grooves I23 are formed by a horizontal part 24 and a clamping hook part 25, the horizontal part 24 is parallel to the radial direction of the connecting port 7, the hook portion 25 is bent toward the opening of the engagement groove i 23.

When the optical cable splitting box is used, the connecting port 7 is screwed at the outlet of the optical cable splitting box, the optical fiber passes through the screwing cap 2, the shell 6 is spliced on the connecting port 7, the notch 18 of the sleeve 4 is broken off, the optical fiber is sleeved outside the optical fiber, the clamping ring 5 is inserted into the clamping ring groove 20 to tighten and lock the notch 18, the through groove 16 of the clamping sleeve 3 is sleeved on the optical fiber from the side, the bottom of the clamping sleeve 3 is mutually attached to the top of the sleeve 4, the sleeve 4 is inserted into the shell 6, the sealing ring 19 is clamped at the outer end of the shell 6, the outer wall of the sleeve 4 is in interference fit with the inner wall of the shell 6, the clamping sleeve 3 is inserted into the screwing cap 2, the cap 1 is sleeved on the screwing cap 2, the clamping piece 14 of the screwing cap 1 is inserted into the clamping groove 10 of the screwing cap 1, the screwing cap 2 and the shell 6 are screwed together through screw threads, the inner diameter of the screwing cap 2 is smaller than the maximum outer diameter of the clamping sleeve 3, the through groove 16 of the clamping sleeve 3 is pressed inwards to clamp the optical fiber, the convex strip 15 in the through groove 16 of the clamping sleeve 3 can prevent the sliding of the optical fiber, the other end of the shell 6 is sleeved on the connecting port 7, the clamping port 22 is sleeved on the connecting port 7, and the clamping cap 23 is matched with the connecting port 7, and the connecting port 25 can be prevented from falling off.

Through above structural design, the waterproof performance of fiber connector has effectively been improved in the design of pressing from both sides cover, sleeve and snap ring, avoids the moisture to enter into the optical cable through the pipeline connector and divides in the fine case, and the cooperation in shell inner wall bump and connection port joint groove makes fiber connector install more convenient, and the setting of pothook portion probably avoids the casing not hard up droing simultaneously.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A waterproof fiber optic connector comprising: the spiral cover ware, spiral cover, clamp cover, sleeve, snap ring, casing and connection port, its characterized in that:

an external thread is arranged at one end of the shell;

2. A waterproof optical fiber connector according to claim 1, wherein: the outer wall of the cap screwing device is provided with a handle.

3. A waterproof optical fiber connector according to claim 1, wherein: the shell is not equipped with a plurality of evenly distributed's bump on the other end inner wall of external screw thread, be equipped with on the one end outer wall of connecting port and casing grafting with bump corresponding distribution and supply bump joint's joint groove I, joint groove I comprises horizontal part and pothook portion, and radial parallel of horizontal part and connecting port, pothook portion is crooked to joint groove I opening part.