Waterproof joint for optical fiber connector
By designing components such as sealing caps, seals, and outer cylinders for waterproof connectors, the problem of dust accumulation and deformation on the outside of the waterproof connectors was solved, achieving dustproof, pressure-proof, and anti-slip protection, and improving the service life and stability of the fiber optic connectors.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-06
- Publication Date
- 2026-03-27
AI Technical Summary
Waterproof connectors for fiber optic connectors are prone to dust accumulation on the outside during use and are easily deformed and damaged under stress, lacking effective protective measures.
A waterproof connector for fiber optic connectors has been designed, comprising components such as a sealing cap, a sealing element, an outer cylinder, a connector base, and an anti-slip strip. It achieves dustproof, pressure-proof, and anti-slip protection for the outside of the connector through threaded connection and rotation fixation.
It provides effective protection for the outside of the waterproof connector, preventing dust accumulation and deformation damage, while also protecting the optical fiber at the end of the connector from bending, thus enhancing its stability and durability.
Smart Images

Figure CN224052452U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to optical fiber connector technical field, concretely is a waterproof joint for optical fiber connector. BACKGROUND
[0002] The optical fiber connector is a device for detachable connection between optical fibers, and is a passive component for realizing high-efficiency transmission of optical signals through precise butt joint of two end faces and minimizing the influence on the optical link. In order to prevent moisture from entering the optical fiber head and protect the performance and prolong the service life of the optical fiber connector, a waterproof joint for optical fiber connector is needed to waterproof the outside of the optical fiber head.
[0003] However, in actual use, the waterproof joint body is generally directly exposed outside, and during long-term placement, the outside is not only easy to accumulate dust, but also easy to cause deformation and damage of the outside of the joint after being stressed, which is inconvenient for protecting the outside of the waterproof joint.
[0004] Now, a new type of waterproof joint for optical fiber connector is proposed to solve the above problems. UTILITY MODEL CONTENTS
[0005] The utility model aims at providing a waterproof joint for optical fiber connector to solve the problem of inconvenient protection of the outside of the waterproof joint in the background art.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a waterproof joint for optical fiber connector, comprising a sealing cap and a sealing element, the left side of the sealing element is provided with a sealing cap, the right side of the outside of the sealing element is provided with an outer cylinder, and the inside of the left side of the outer cylinder is provided with a first connecting port, the left side of the outside of the sealing cap is fixedly provided with a first connecting seat, and the outside of the outer cylinder is fixedly provided with a convex strip.
[0007] As a further technical scheme of the utility model, the outside of the first connecting seat is provided with external threads, the left side of the outer cylinder is threadedly connected to the first connecting seat, and the convex strip is annularly and equidistantly provided with six groups on the outside of the outer cylinder.
[0008] As a further technical scheme of the utility model, the right side of the sealing element is provided with a second connecting seat, and the right side of the second connecting seat is fixedly provided with a connecting sleeve, and the inside of the right side of the sealing element is provided with a second connecting port.
[0009] As a further technical scheme of the utility model, the inside of the second connecting seat and the connecting sleeve is communicated, the outside of the second connecting seat is provided with external threads, and the left side of the second connecting seat is threadedly connected to the second connecting port.
[0010] As a further technical scheme of the utility model, the outer side of the sealing cap is fixedly connected with a connecting ring, the outer side of the sealing element is threadedly and rotatably connected with a connecting head, the left side of the connecting head is fixedly connected with a threaded connecting part, the right side of the sealing cap is internally provided with a threaded groove, and the threaded connecting part is threadedly and rotatably connected in the threaded groove.
[0011] As a further technical scheme of the utility model, the outer side of the sealing cap is fixedly connected with a connecting ring, the outer side of the sealing element is threadedly and rotatably connected with a connecting head, the left side of the connecting head is fixedly connected with a threaded connecting part, the right side of the sealing cap is internally provided with a threaded groove, and the threaded connecting part is threadedly and rotatably connected in the threaded groove.
[0012] Compared with the prior art, the utility model has the beneficial effects that the waterproof connector for optical fiber is convenient for protecting the outer side of the waterproof connector, convenient for preventing slip when the waterproof connector is used, and convenient for preventing the optical fiber at the tail of the connector from being folded.
[0013] When the waterproof connector is used, the sealing cap is connected to the outer side of the sealing element, then the outer cylinder is moved leftwards and screwed into the right side of the first connecting seat outside the sealing element, and the outer cylinder is fixed to the outer side of the waterproof connector.
[0014] When the waterproof connector is used, the sealing cap is connected to the outer side of the sealing element, then the outer cylinder is moved leftwards and screwed into the right side of the first connecting seat outside the sealing element, and the outer cylinder is fixed to the outer side of the waterproof connector.
[0015] When the waterproof connector is used, the sealing cap is connected to the outer side of the sealing element, then the outer cylinder is moved leftwards and screwed into the right side of the first connecting seat outside the sealing element, and the outer cylinder is fixed to the outer side of the waterproof connector. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is a front view of the sectional structure of the utility model;
[0017] Figure 2 It is a front view of the sectional structure of the utility model;
[0018] Figure 3 It is a front view of the sectional structure of the utility model;
[0019] Figure 4 It is the side view structure schematic diagram of the anti-skid strip of the utility model.
[0020] In the drawing: 1, connecting ring; 2, sealing cap; 3, first connecting seat; 4, first connecting port; 5, outer cylinder; 6, convex strip; 7, fixed sleeve; 8, connecting head; 9, sealing element; 10, second connecting seat; 11, connecting sleeve; 12, anti-skid strip; 13, threaded groove; 14, threaded connecting portion; 15, second connecting port. DETAILED DESCRIPTION
[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.
[0022] Please refer to Figures 1-4 The utility model provides an embodiment: a waterproof joint for optical fiber connector, including sealing cap 2 and sealing element 9, the left side of sealing element 9 is provided with sealing cap 2, the right side outside sealing element 9 is provided with outer cylinder 5, and the inside left side of outer cylinder 5 is provided with first connecting port 4, the left side outside sealing cap 2 is fixed with first connecting seat 3, and the outside of outer cylinder 5 is fixed with convex strip 6;
[0023] The outside of first connecting seat 3 is provided with external thread, and the left side of outer cylinder 5 is threadedly connected on first connecting seat 3, and the outside of outer cylinder 5 is annularly and equidistantly provided with six groups of convex strips 6;
[0024] Specifically, as Figures 1-3 shown, after connecting sealing cap 2 on the outside of sealing element 9, then outer cylinder 5 can be moved left on the right side outside sealing element 9 and screwed into the right side of first connecting seat 3 through first connecting port 4, so that outer cylinder 5 can be fixed on the outside of waterproof joint, and the outside of joint can be closed by auxiliary cover through outer cylinder 5, so that the outside of waterproof joint can be dustproof and pressure-proof.
[0025] The right side of sealing element 9 is provided with second connecting seat 10, the right side of second connecting seat 10 is fixed with connecting sleeve 11, the inside right side of sealing element 9 is provided with second connecting port 15, the inside of second connecting seat 10 and connecting sleeve 11 is communicated, the outside of second connecting seat 10 is provided with external thread, and the left side of second connecting seat 10 is threadedly connected in second connecting port 15;
[0026] Specifically, as Figure 1 and Figure 2As shown, after the optical fiber line enters the inside of the sealing member 9, then the second connecting seat 10 and the connecting sleeve 11 can be moved to the right side of the sealing member 9, and after the second connecting seat 10 is screwed into the second connecting port 15 on the right side of the sealing member 9, the connecting sleeve 11 can be fixed at the position on the right side of the sealing member 9, and the connecting sleeve 11 can be used to protect the optical fiber position on the right side of the joint from being folded.
[0027] The outer side of the sealing cap 2 is fixed with a fixed sleeve 7, and the outer side of the fixed sleeve 7 is fixed with anti-skid strips 12, which are arranged in multiple groups in a ring shape at equal intervals on the outer side of the fixed sleeve 7.
[0028] Specifically, as shown in Figure 1 、 Figure 2 and Figure 4 , by fixing the fixed sleeve 7 on the outer side of the sealing cap 2, the outer side friction of the sealing cap 2 can be increased by using the fixed sleeve 7 made of rubber and the multiple groups of anti-skid strips 12 on the outer side.
[0029] The left side of the sealing cap 2 is fixed with a connecting ring 1, the outer side of the sealing member 9 is threadedly connected with a connecting head 8, the left side of the connecting head 8 is fixed with a threaded connecting portion 14, the right side of the sealing cap 2 is internally provided with a threaded groove 13, and the threaded connecting portion 14 is threadedly connected inside the threaded groove 13.
[0030] Principle: In use, after the sealing cap 2 is connected to the outer side of the sealing member 9, then the outer cylinder 5 can be moved to the left and screwed into the right side of the first connecting seat 3, and then the outer cylinder 5 can be fixed on the outer side of the waterproof joint, and the outer side of the joint can be protected by the outer cover of the outer cylinder 5. After the optical fiber line enters the inside of the sealing member 9, then the second connecting seat 10 and the connecting sleeve 11 can be moved to the right side of the sealing member 9, and after the second connecting seat 10 is screwed into the second connecting port 15 on the right side of the sealing member 9, the connecting sleeve 11 can be fixed at the position on the right side of the sealing member 9, and the connecting sleeve 11 can be used to protect the optical fiber position on the right side of the joint from being folded. And when the waterproof joint is used, by fixing the fixed sleeve 7 on the outer side of the sealing cap 2, the outer side friction of the sealing cap 2 can be increased by using the fixed sleeve 7 made of rubber and the multiple groups of anti-skid strips 12 on the outer side.
[0031] It is apparent for a person skilled in the art that the present application is not restricted to the details of the above exemplary embodiments, but that it can be implemented in other concrete forms without departing from the spirit or the essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary only, and not limiting, the scope of the present application being defined by the appended claims rather than the above description, and all changes coming within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claims concerned.
Claims
1. A waterproof joint for fiber optic connectors comprising a sealing cap (2) and a seal (9), characterized in that: The left side of the sealing piece (9) is provided with a sealing cap (2), the right side outside the sealing piece (9) is provided with an outer cylinder (5), and the inside of the left side of the outer cylinder (5) is provided with a first connecting port (4), the left side outside the sealing cap (2) is fixedly provided with a first connecting seat (3), and the outside of the outer cylinder (5) is fixedly provided with a convex strip (6).
2. A water-tight joint for a fiber-optic connector according to claim 1, characterized in that: The outside of the first connecting seat (3) is provided with external threads, the left side of the outer cylinder (5) is threadedly connected to the first connecting seat (3), and the outside of the outer cylinder (5) is annularly and equidistantly provided with six groups of convex strips (6).
3. A water-tight joint for fiber optic connectors as defined in claim 1, wherein: The right side of the sealing piece (9) is provided with a second connecting seat (10), and the right side of the second connecting seat (10) is fixedly provided with a connecting sleeve (11), and the inside of the right side of the sealing piece (9) is provided with a second connecting port (15).
4. A water-tight joint for a fiber-optic connector according to claim 3, characterized in that: The inside of the second connecting seat (10) and the connecting sleeve (11) is in communication, the outside of the second connecting seat (10) is provided with external threads, and the left side of the second connecting seat (10) is threadedly connected in the second connecting port (15).
5. A water-tight joint for fiber optic connectors as defined in claim 1, wherein: The outside of the sealing cap (2) is fixedly provided with a fixing sleeve (7), the outside of the fixing sleeve (7) is fixedly provided with an anti-skid strip (12), and the outside of the fixing sleeve (7) is annularly and equidistantly provided with a plurality of groups of anti-skid strips (12).
6. A water-tight joint for fiber optic connectors as defined in claim 1, wherein: The left side of the sealing cap (2) is fixedly provided with a connecting ring (1), the outside of the sealing piece (9) is threadedly connected with a connecting head (8), the left side of the connecting head (8) is fixedly provided with a threaded connecting portion (14), the inside of the right side of the sealing cap (2) is provided with a threaded groove (13), and the threaded connecting portion (14) is threadedly connected in the inside of the threaded groove (13).