Quick connect optical fiber slip ring

Abstract

The utility model discloses a quick -wired formula optical fiber slip ring relates to optical fiber slip ring field, including fixed seat and sealing cover, the first optical fiber is set up in the fixed seat and is passed, the sealing cover is rotated and is connected with the second optical fiber through the sealed bearing, the sealing cover slidingly connects in the fixed seat, is used for sealing fixed seat, makes the fixed seat and forms the closed cavity in. Advantageous effect lies in: fixed seat inner wall is equipped with sealing groove, and sealing ring and fixed seat, the double sealing groove gap cooperation of sealing cover, and the auxiliary sealing of sealing cover and fixed seat through sealing bearing simultaneously, form the multistage sealing structure of double sealing groove, and press assembly is through the rotation and promotes sealing cover compression sealing ring, makes sealing ring and sealing groove closely adhere, compared with traditional thread seal, and the sealing pressure is more even, and there is no vibration and loosens the risk, prolongs the service life of equipment in outdoor, many dust scene. The assembly efficiency improves greatly, and need not professional tool.

Description

Technical Field

[0001] This utility model relates to the field of fiber optic slip ring technology, specifically to a quick-connect fiber optic slip ring. Background Technology

[0002] Currently, fiber optic slip rings face two major pain points in applications such as security pan-tilt units in industrial equipment and robot joints, which restrict assembly efficiency and operational stability. Traditional fiber optic slip rings mostly use threaded locking or flange fixing structures to achieve sealing. During assembly, tools such as wrenches are required to align each screw hole one by one. This is not only difficult to operate in confined equipment spaces, but the threaded seal is also prone to gaps due to vibration, allowing dust and moisture to enter the internal cavity, contaminating the fiber end face and increasing the risk of optical signal attenuation.

[0003] In addition, most existing quick-connect slip rings use a single snap-lock mechanism. After long-term use, the snap-lock is prone to failure due to fatigue deformation, which leads to loosening of the sealing cover. This not only damages the sealing performance of the sealed cavity but also affects the relative position accuracy of the optical fiber, increasing the probability of equipment failure. Utility Model Content

[0004] The purpose of this invention is to provide a quick-connect fiber optic slip ring to solve the above problems, as detailed below.

[0005] To achieve the above objectives, the present invention provides the following technical solution:

[0006] This utility model provides a quick-connect fiber optic slip ring, including a fixed base and a sealing cover. A first optical fiber is disposed through the fixed base, and a second optical fiber is rotatably connected to the sealing cover through a sealing bearing. The sealing cover is slidably connected inside the fixed base to seal the fixed base, thereby forming a closed cavity inside the fixed base. The opposite ends of the first and second optical fibers are both located in the closed cavity of the fixed base. A sealing ring is provided between the sealing cover and the fixed base.

[0007] The fixed base is equipped with a pressing component. By rotating the pressing component, the sealing cover can be pushed into the fixed base to compress the sealing ring.

[0008] Preferably, the fixing seat is cylindrical, and the inner wall of the fixing seat is divided into a large inner diameter section and a small inner diameter section, and the sealing cover is clearance-fitted with the inner wall of the large inner diameter section of the fixing seat.

[0009] Preferably, the sealing cover has several grooves evenly spaced along its edge, and the inner wall of the large inner diameter section of the fixing seat has several protrusions fixedly connected thereto, with the protrusions fitting into the grooves with a clearance fit.

[0010] Preferably, the connection between the large inner diameter section and the small inner diameter section of the fixed seat forms an annular misalignment, and the sealed bearing is clearance-fitted with the annular misalignment.

[0011] Preferably, the inner wall end face of the fixing seat and the opposite face of the sealing cover are both provided with sealing grooves, and the sealing ring is fitted with the two sealing grooves with a clearance.

[0012] Preferably, the pressing assembly includes a movable ring rotatably connected to a fixed base, a plurality of top blocks corresponding to the groove are fixedly connected to the movable ring, and a plurality of guide blocks are fixedly connected to the sealing cover. The guide blocks are composed of a plane and an inclined surface, and the inclined surface of the guide block is flush with the edge of the groove.

[0013] Preferably, the top block has curved surfaces on both sides, and the guide block has an anti-slip coating on its flat surface.

[0014] Preferably, the movable ring is fixedly connected with several telescopic rods corresponding to the guide block, the movable pins of the telescopic rods are in contact with the surface of the guide block, and the guide block is provided with locking holes that match the movable pins.

[0015] Preferably, the telescopic rod is fixedly connected to a sleeve on the movable ring, the movable pin is slidably disposed inside the sleeve, and a spring is disposed inside the sleeve, with both ends of the spring being fixedly connected to the sleeve and the movable pin, respectively.

[0016] Preferably, the surface of the fixed base is provided with an annular groove, and the movable ring is in clearance fit with the annular groove.

[0017] The beneficial effects are:

[0018] 1. The inner wall of the mounting base is equipped with a sealing groove. The sealing ring fits with the double sealing grooves of the mounting base and the sealing cover with a clearance fit. Simultaneously, a sealing bearing assists in the sealing between the sealing cover and the mounting base, forming a multi-stage sealing structure with double sealing grooves. The pressing component rotates to push the sealing cover, compressing the sealing ring and ensuring a tight fit between the sealing ring and the sealing groove. Compared to traditional threaded seals, the sealing pressure is more uniform, and there is no risk of vibration-induced loosening, extending the service life of the equipment in outdoor and dusty environments. Assembly efficiency is significantly improved, requiring no specialized tools.

[0019] 2. The groove on the edge of the sealing cover and the protrusion on the large inner diameter section of the fixing seat are fitted together to achieve quick pre-positioning. There is no need for manual calibration of the fiber position. The movable ring of the pressing component drives the top block to slide along the inclined surface of the guide block, which can push the sealing cover to press the sealing ring, reducing the professional skill requirements of the operators and reducing maintenance costs.

[0020] 3. The movable pin of the telescopic rod engages with the locking hole of the guide block under the action of the spring, forming a reliable limit on the movable ring, ensuring stable contact between the top block and the guide block plane, preventing the sealing cover from loosening, and ensuring the stability of the relative end spacing between the first and second optical fibers. Attached Figure Description

[0021] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0022] Figure 1 This is a schematic diagram of the exploded structure of this utility model;

[0023] Figure 2 This is a three-dimensional cross-sectional structural diagram of the present invention;

[0024] Figure 3 This is a three-dimensional structural diagram of the present invention;

[0025] Figure 4 This is a front view structural diagram of the present invention;

[0026] Figure 5 This is a schematic diagram of the right-side structure of this utility model;

[0027] Figure 6 This is a three-dimensional structural diagram of the fixing base of this utility model;

[0028] Figure 7 This is a front view cross-sectional structural diagram of the telescopic rod of this utility model.

[0029] The annotations in the attached figures are explained as follows:

[0030] 1. Fixed base; 2. First optical fiber; 3. Second optical fiber; 4. Sealed bearing; 5. Sealing cover; 6. Groove; 7. Protrusion; 8. Sealing groove; 9. Annular misalignment; 10. Sealing ring; 11. Pressing assembly; 12. Movable ring; 13. Top block; 14. Guide block; 15. Telescopic rod; 16. Locking hole; 17. Sleeve; 18. Movable pin; 19. Spring; 20. Annular groove. Detailed Implementation

[0031] To make the objectives, technical solutions, and advantages of this utility model clearer, the technical solutions of this utility model will be described in detail below. Obviously, the described embodiments are only a part of the embodiments of this utility model, and not all of them. Based on the embodiments of this utility model, all other implementation methods obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0032] See Figures 1-7As shown, this utility model provides a quick-connect fiber optic slip ring, including a fixed base 1 and a sealing cover 5. A first fiber 2 is disposed through the fixed base 1. A second fiber 3 is rotatably connected to the sealing cover 5 through a sealing bearing 4. The sealing cover 5 is slidably connected inside the fixed base 1 to seal the fixed base 1, so that a closed cavity is formed inside the fixed base 1. The opposite ends of the first fiber 2 and the second fiber 3 are both located in the closed cavity of the fixed base 1. A sealing ring 10 is provided between the sealing cover 5 and the fixed base 1.

[0033] The fixed base 1 is provided with a pressing component 11. By rotating the pressing component 11, the sealing cover 5 can be pushed into the fixed base 1 to compress the sealing ring 10.

[0034] refer to Figure 1 , Figure 2 as well as Figure 6 The fixing seat 1 is cylindrical, and its inner wall is divided into a large inner diameter section and a small inner diameter section. The sealing cover 5 is clearance-fitted with the inner wall of the large inner diameter section of the fixing seat 1. Several grooves 6 are equidistantly provided on the edge of the sealing cover 5. Several protrusions 7 are fixedly connected to the inner wall of the large inner diameter section of the fixing seat 1, and the protrusions 7 are clearance-fitted with the grooves 6. An annular misalignment 9 is formed at the junction of the large and small inner diameter sections of the fixing seat 1, and the sealing bearing 4 is clearance-fitted with the annular misalignment 9. Sealing grooves 8 are provided on the end face of the inner wall of the fixing seat 1 and the opposite face of the sealing cover 5, and the sealing ring 10 is clearance-fitted with two sealing grooves 8.

[0035] In this embodiment, the two sealing grooves 8 can increase the contact area between the sealing ring 10 and the fixed seat 1 and the sealing cover 5. The groove 6 and the protrusion 7 can increase the contact area between the sealing cover 5 and the fixed seat 1. The annular stagger 9 can increase the contact area between the sealing bearing 4 and the fixed seat 1. All of the above settings can improve the sealing performance of the fiber optic slip ring after assembly.

[0036] refer to Figure 1 , Figure 3 , Figure 5 as well as Figure 7 The pressing component 11 includes a movable ring 12 rotatably connected to the fixed base 1. The fixed base 1 has an annular groove 20 on its surface. The movable ring 12 is in clearance fit with the annular groove 20. Several top blocks 13 corresponding to the groove 6 are fixedly connected to the movable ring 12. Several guide blocks 14 are fixedly connected to the sealing cover 5. The guide blocks 14 are composed of a plane and an inclined plane, and the inclined plane of the guide block 14 is flush with the edge of the groove 6.

[0037] In this embodiment, the top block 13 has curved surfaces on both sides, which facilitates the sliding of the top block 13 to the guide block 14. The guide block 14 has an anti-slip coating on its flat surface. The movable ring 12 drives all the top blocks 13 to rotate, and the top block 13 slides to the flat surface of the guide block 14 through the inclined surface. During this process, the sealing cover 5 can be pressed into the fixed seat 1. The anti-slip coating can improve the stability of the contact between the top block 13 and the guide block 14.

[0038] Furthermore, several telescopic rods 15 corresponding to the guide block 14 are fixedly connected to the movable ring 12. The movable pins 18 of the telescopic rods 15 are in contact with the surface of the guide block 14. The guide block 14 is provided with a locking hole 16 that matches the movable pin 18. The movable pin 18 abuts against the guide block 14. When the locking hole 16 of the top block 13 rotates to the position corresponding to the movable pin 18, the movable pin 18 will be inserted into the locking hole 16. The locking hole 16 and the movable pin 18 cooperate to limit the movable ring 12, so that the plane of the guide block 14 is in contact with the top block 13.

[0039] Furthermore, the telescopic rod 15 is fixedly connected to the sleeve 17 on the movable ring 12, the movable pin 18 is slidably disposed inside the sleeve 17, and a spring 19 is disposed inside the sleeve 17. The two ends of the spring 19 are fixedly connected to the sleeve 17 and the movable pin 18 respectively. The spring 19 is used to push the movable pin 18 so that the movable pin 18 approaches the locking hole 16.

[0040] Working principle:

[0041] The fixed base 1 and the first optical fiber 2 serve as the stator, and the sealing cover 5, the sealing bearing 4, and the second optical fiber 3 cooperate to serve as the rotor. The sealing cover 5 is inserted into the fixed base 1, and then the sealing cover 5 is pressed by the pressing component 11 to press the sealing ring 10, thus completing the sealing installation of the fixed base 1 and the sealing cover 5. After the sealing cover 5 and the fixed base 1 are installed, there is a gap between the opposite ends of the first optical fiber 2 and the second optical fiber 3.

[0042] The above description is merely a specific embodiment of this utility model, but the protection scope of this utility model is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this utility model should be included within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the protection scope of the claims.

Claims

1. A quick-connect fiber optic slip ring, characterized in that: The device includes a fixed base (1) and a sealing cover (5). A first optical fiber (2) is provided through the fixed base (1). A second optical fiber (3) is rotatably connected to the sealing cover (5) through a sealing bearing (4). The sealing cover (5) is slidably connected inside the fixed base (1) to seal the fixed base (1) and form a closed cavity inside the fixed base (1). The opposite ends of the first optical fiber (2) and the second optical fiber (3) are both located in the closed cavity of the fixed base (1). A sealing ring (10) is provided between the sealing cover (5) and the fixed base (1). The fixed base (1) is provided with a pressing component (11). By rotating the pressing component (11), the sealing cover (5) can be pushed into the fixed base (1) to compress the sealing ring (10).

2. The quick-connect fiber optic slip ring according to claim 1, characterized in that: The fixing seat (1) is cylindrical, and the inner wall of the fixing seat (1) is divided into a large inner diameter section and a small inner diameter section. The sealing cover (5) is in clearance fit with the inner wall of the large inner diameter section of the fixing seat (1).

3. The quick-connect fiber optic slip ring according to claim 2, characterized in that: The sealing cover (5) has several grooves (6) evenly spaced along its edge. The inner wall of the large inner diameter section of the fixing seat (1) has several protrusions (7) fixedly connected to it. The protrusions (7) are in clearance fit with the grooves (6).

4. The quick-connect fiber optic slip ring according to claim 3, characterized in that: The connection between the large inner diameter section and the small inner diameter section of the fixed seat (1) forms an annular misalignment (9), and the sealed bearing (4) is clearance-fitted with the annular misalignment (9).

5. The quick-connect fiber optic slip ring according to claim 1, characterized in that: The inner wall end face of the fixed seat (1) and the opposite face of the sealing cover (5) are provided with sealing grooves (8), and the sealing ring (10) is fitted with the two sealing grooves (8) with a clearance.

6. The quick-connect fiber optic slip ring according to claim 1, characterized in that: The pressing assembly (11) includes a movable ring (12) rotatably connected to the fixed base (1). Several top blocks (13) corresponding to the groove (6) are fixedly connected to the movable ring (12). Several guide blocks (14) are fixedly connected to the sealing cover (5). The guide blocks (14) are composed of a plane and an inclined plane, and the inclined plane of the guide block (14) is flush with the edge of the groove (6).

7. The quick-connect fiber optic slip ring according to claim 6, characterized in that: The top block (13) has curved surfaces on both sides, and the guide block (14) has an anti-slip coating on its flat surface.

8. The quick-connect fiber optic slip ring according to claim 7, characterized in that: Several telescopic rods (15) corresponding to the guide block (14) are fixedly connected to the movable ring (12). The movable pin (18) of the telescopic rod (15) is in contact with the surface of the guide block (14). The guide block (14) is provided with a locking hole (16) that matches the movable pin (18).

9. A quick-connect fiber optic slip ring according to claim 8, characterized in that: The telescopic rod (15) is fixedly connected to the sleeve (17) on the movable ring (12). The movable pin (18) is slidably disposed inside the sleeve (17). A spring (19) is disposed inside the sleeve (17). The two ends of the spring (19) are fixedly connected to the sleeve (17) and the movable pin (18) respectively.

10. A quick-connect fiber optic slip ring according to claim 6, characterized in that: The fixed base (1) has an annular groove (20) on its surface, and the movable ring (12) is in clearance fit with the annular groove (20).

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