Self-locking and compensating mechanism for an optical fiber identifier

Abstract

The present application relates to a kind of self-locking and compensation mechanism of optical fiber identifier, comprising: clamp assembly, it is configured to position optical fiber and make it produce macrobending loss, to carry out optical fiber identification detection;Mounting base, clamp assembly is located at one end of mounting base;First slider, it is located in the middle of mounting base, and the special-shaped recess is opened in first slider;Second slider, it is separablely connected with first slider;Rocker, first end hinged setting, second end points to special-shaped recess and extends into special-shaped recess and forms extension section;Driving member, it is configured to make extension section move in special-shaped recess, the mechanical self-locking or unlocking of clamp assembly is carried out;And spring assembly, it is configured to provide adaptive compensation for clamp assembly, and provide pre-tightening force for rocker.The present application can keep the state that optical fiber is bent by the self-locking characteristics of mechanism without needing continuous external force, and due to the compensation characteristics, clamp does not need to be frequently replaced.

Description

Technical Field

[0001] This invention relates to the field of optical fiber maintenance technology, and to a self-locking and compensation mechanism for an optical fiber identifier, particularly to a self-locking and compensation mechanism for an optical fiber identifier used in optical fiber communication testing and maintenance. Background Technology

[0002] Fiber optic identification instruments use an operating mechanism to drive a clamp, causing the fiber to bend macroscopically, resulting in macrobending loss, thereby achieving fiber identification and detection. Existing technologies mainly include: 1. Spring-loaded pistol-type fiber optic identification instruments, which require manually moving a handle to secure the fiber during detection, and this hand must not be released; 2. Instruments using a press-and-lock mechanism, where the fiber optic interface can be locked by pressing inwards, and can be released by pressing again; 3. Instruments using a reducer motor to move a track slider, where the motor rotates during fiber identification, bending the fiber while keeping the clamp stationary; 4. This type of solution requires selecting different adapters depending on the thickness of the fiber.

[0003] In existing technologies, fiber optic identification devices generally rely on operating components such as handles, triggers, and pressing mechanisms to drive the action of the clamp, causing it to bend the fiber and generate macro-bending loss for detection. They need to adapt to fibers of different diameters and with different external protective layers for identification. A locking / unlocking mechanism is set up to lock the operating component or slider in a specific position. Existing technologies mainly have the following problems: Spring-loaded pistol-type fiber optic identifiers require continuous manual manipulation of the handle to fix the fiber during detection, and the handle cannot be released. Although some solutions (which achieve two-hand release through a locking handle) still lack convenience in locking / unlocking operations. Some solutions require different adapters depending on the thickness of the fiber, increasing operational complexity and requiring the carrying of multiple adapter specifications, which is inconvenient for field use. The connector fixing mechanism of some fiber optic testing devices is complex to use, affecting work efficiency. Existing locking mechanisms (such as press-operated elastic self-locking mechanisms) may experience loosening or difficulty in unlocking after long-term use. Summary of the Invention

[0004] This invention provides a self-locking and compensation mechanism for an optical fiber identifier, specifically a self-locking and compensation mechanism for an optical fiber identifier used in optical fiber communication testing and maintenance, so as to achieve self-locking without continuous force after clamping the optical fiber, have displacement compensation, be compatible with multiple optical fiber specifications, simplify operation, and improve locking reliability.

[0005] This invention provides a self-locking and compensation mechanism for an optical fiber identifier, comprising: A clamping assembly configured to position the optical fiber and induce macrobending loss for optical fiber identification and detection. Mounting base, wherein the clamping assembly is disposed at one end of the mounting base; A first slider is located in the middle of the mounting base, and an irregularly shaped groove is provided on the first slider; The second slider is detachably connected to the first slider, and the second slider is guided and assembled at one end of the first slider and close to the clamp assembly; A rocker arm, with its first end hinged and its second end pointing toward the irregular groove and extending into the irregular groove to form an extension section, such that the extension section can move within the irregular groove; A drive element configured to cause the first and second sliders to move linearly, thereby moving the extension section within the irregular groove, and mechanically locking or unlocking the clamping assembly by the dwelling or movement of the extension section within the irregular groove; and A spring assembly is configured to provide adaptive compensation to the clamping assembly and preload to the rocker arm, ensuring that the mechanism reliably completes self-locking and maintains the fiber clamping state.

[0006] Furthermore, the first slider is provided with irregular protrusions, and the body of the first slider is provided with a groove base contour. The edges of the irregular protrusions and the groove base contour surround each other to form the irregular groove. The irregular protrusions are heart-shaped protrusions, and the groove base contour is a heart-shaped contour, so that the irregular groove forms a heart-shaped closed-loop groove.

[0007] Furthermore, the groove base contour is connected end to end to form a closed contour, and the groove base contour sequentially includes a first concave position, a first climbing section, a first convex position, a falling transition concave position, a second convex position, and a reset and retraction section, and the reset and retraction section connects back to the first concave position; the irregular protrusion includes an irregular protrusion body, a convex part, a second climbing section, a concave part, and a reset guide section, and the third convex position is biased towards one side of the reset guide section.

[0008] Furthermore, the driving component includes at least one of a wrench, an electric push rod, an electromagnet, and a motor lead screw.

[0009] Furthermore, the driving component is a wrench, which is connected to the first slider, so that the operator can drive the first slider to perform reciprocating linear motion by operating the wrench.

[0010] Furthermore, the rocker arm is hinged to the mounting base by a screw, and the screw constitutes the pivot point of the rocker arm, so that the rocker arm can rotate and swing about the axis of the screw.

[0011] Furthermore, it also includes: A damping pad is disposed between the rocker arm and the mounting base at the hinge position.

[0012] Furthermore, the clamp assembly includes: A stationary clamp, which is fixedly mounted on the mounting base; and A movable clamp is disposed on the second slider, such that when the first slider moves away from the clamp assembly, the first slider simultaneously drives the second slider to move in the same direction, so that the movable clamp moves closer to the stationary clamp.

[0013] Furthermore, the clamping surface of the stationary clamp is concave, and the clamping surface of the moving clamp is conformally shaped to the clamping surface of the stationary clamp.

[0014] Furthermore, the static clamp is fixedly mounted on the mounting base.

[0015] Furthermore, it also includes: A locating pin is configured to position the movable clamp.

[0016] Furthermore, it also includes: Guide rod, which is configured to provide motion guidance for the first slider; and A retaining pin passes through the second slider and extends to the first slider.

[0017] Furthermore, the spring assembly includes: A first spring, which is sleeved on the guide rod; and The second spring is fitted onto the fixing pin.

[0018] Furthermore, the first spring is configured to apply a preload force to the first slider, causing the extension to conform to the irregular groove and press against the locking tip, maintaining the mechanism's self-locking clamping state; the second spring is configured to provide left-hand clamping travel compensation for the clamp and drive the second slider back after the driving force and control of the drive member are removed to facilitate self-locking.

[0019] Furthermore, the fixing pin passes through the second slider, and the second spring is sleeved on the end of the fixing pin away from the first slider.

[0020] Furthermore, it also includes: A first pin is disposed opposite to the first slider, and the guide rod passes through the first pin; and The second pin is disposed opposite to the mounting base. The first pin and the second pin are arranged coaxially opposite each other so that the single guide rod passes through the coaxially opposite first pin and second pin.

[0021] Furthermore, it also includes: Set screws are configured to secure the guide rod.

[0022] Furthermore, the first pin has a positioning hole, and the set screw is disposed in the positioning hole.

[0023] When not in use, the extension section is located at the first recess, at which point the movable clamp and the stationary clamp are separated. In use, the driving component drives or moves the first slider away from the clamping assembly (at this time, the first slider simultaneously moves the second slider in the same direction, causing the second slider to move the movable clamp closer to the stationary clamp; during the movement, the first spring is compressed), causing the extension section to move along the first climbing section towards the clamping assembly until the stationary and movable clamps just abut against each other, thus clamping the optical fiber and providing self-locking. At this point, the extension section approaches the first protrusion (still some distance from the first protrusion), and the driving component continues to drive or move the first slider away from the clamping assembly (until the extension section abuts against the first protrusion), causing the second slider to move away from the first slider, compressing the second spring, thus ensuring that the stationary and movable clamps are always in a just-abutting state, clamping the optical fiber and providing self-locking compensation. The driving component is then stopped. The first slider is driven and controlled. At this time, the first spring releases elastic potential energy, causing the first slider to move towards the clamping assembly. The extension section moves towards the recess until it abuts against the recess. At this time, the second spring releases elastic potential energy, keeping the static clamp and the moving clamp, which would otherwise separate, in a closed state (i.e., the second spring causes the second slider to move closer to the first slider until the first slider and the second slider return to their initial closed state). That is, after the extension section abuts against the recess, the optical fiber is clamped, and operations such as optical fiber identification can be performed. When it is necessary to unlock and release the optical fiber, the driving member causes the first slider to move away from the clamping assembly, thereby causing the extension section to move to the second protrusion (at this time, the first slider and the second slider separate). The driving member stops driving and controlling the first slider, and the first spring releases elastic potential energy, causing the first slider to move towards the clamping assembly (due to the action of the second spring, the first slider and the second slider are closed again), and the extension section moves to the initial first recess.

[0024] The present invention has at least the following beneficial effects: The present invention is simple to operate and the parts are easy to process and form. Through the self-locking characteristics of the mechanism, the optical fiber can maintain its state after being bent without continuous external force. Furthermore, due to the compensation characteristics, it can identify optical fibers of different diameters without frequent changes of the clamps. At the same time, it simplifies the operation steps, improves the locking reliability, and thus improves the work efficiency. Attached Figure Description

[0025] To further illustrate the above and other advantages and features of the various embodiments of the present invention, a more specific description of the embodiments of the invention will be presented with reference to the accompanying drawings. It is to be understood that these drawings depict only typical embodiments of the invention and are therefore not intended to limit its scope. In the drawings, identical or corresponding parts will be indicated by identical or similar reference numerals for clarity.

[0026] Figure 1 A schematic diagram of the overall structure of the self-locking and compensation mechanism of the fiber optic identifier in some embodiments of the present invention is shown; Figure 2 A schematic diagram of the self-locking and compensation mechanism (without the mounting base) of the fiber optic identifier in some embodiments of the present invention is shown; Figure 3 A schematic diagram of the self-locking and compensation mechanism (without the mounting base) of the fiber optic identifier in some embodiments of the present invention is shown; Figure 4 A partially enlarged schematic diagram of the irregular groove in some embodiments of the present invention is shown; Figure label: 1-Clamping assembly, 101-Static clamp, 102-Moving clamp, 2-Mounting base, 3-First slider, 301-Irregular groove, 302-Irregular protrusion, 3021-Irregular protrusion body, 3022-Protrusion, 3023-Second climbing section, 3024-Recess, 3025-Reset guide section, 3026-Limiting hole, 303-Groove base outline, 3031-First recess, 3032-First climbing section, 3033-First protrusion. 3034 - Recessed transition recess; 3035 - Second protrusion; 3036 - Reset and retraction section; 4 - Second slider; 401 - Positioning pin; 5 - Rocker arm; 501 - First end of rocker arm; 502 - Second end of rocker arm; 503 - Extension section; 504 - Screw; 6 - Wrench; 7 - Spring assembly; 701 - First spring; 702 - Second spring; 8 - Guide rod; 9 - Fixing pin; 10 - First pin; 11 - Second pin; 12 - Set screw. Detailed Implementation

[0027] It should be noted that the components in the accompanying drawings may be shown exaggerated for illustrative purposes and may not be to scale.

[0028] In this invention, the various embodiments are merely intended to illustrate the solutions of the invention and should not be construed as limiting.

[0029] In this invention, unless otherwise specified, the quantifiers “a” and “one” do not exclude scenarios involving multiple elements.

[0030] It should also be noted that, in the embodiments of the present invention, only a portion of the parts or components may be shown for clarity and simplicity. However, those skilled in the art will understand that, under the teachings of the present invention, the required parts or components can be added as needed for specific scenarios.

[0031] It should also be noted that within the scope of this invention, the terms "same", "equal", and "equal to" do not mean that the two values ​​are absolutely equal, but allow for a certain reasonable error. In other words, the terms also cover "substantially the same", "substantially equal", and "substantially equal to".

[0032] It should also be noted that in the description of this invention, the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing the invention and for simplifying the description, and do not explicitly or implicitly suggest that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0033] Furthermore, the embodiments of the present invention describe the process steps in a specific order. However, this is only for the convenience of distinguishing each step, and is not a limitation on the order of each step. In different embodiments of the present invention, the order of each step can be adjusted according to the process.

[0034] In the following embodiments, the driving component is a wrench 6, which is slidably connected to the mounting base 2 so that when the operator applies force to the wrench 6, the wrench 6 can drive the first slider 3 to move.

[0035] The following embodiment provides a self-locking and compensation mechanism for an optical fiber identifier. Figure 1 A schematic diagram of the overall structure of the self-locking and compensation mechanism of the fiber optic identifier is shown. Figure 2 A schematic diagram of the self-locking and compensation mechanism of the fiber optic identifier (without the mounting base) is shown. Figure 3 A schematic diagram of the self-locking and compensation mechanism of the fiber optic identifier (without the mounting base) is shown. Figure 4 This diagram shows a partially enlarged schematic of the irregularly shaped groove in some embodiments of the present invention; the self-locking and compensation mechanism of the fiber optic identifier includes: A clamp assembly 1, configured to position the optical fiber and induce macrobending loss for optical fiber identification and detection; the clamp assembly 1 includes: The static clamp 101 is fixedly mounted on the mounting base 2; and The movable clamp 102 is disposed on the second slider 4 so that when the first slider 3 moves away from the clamp assembly 1, the first slider 3 simultaneously drives the second slider 4 to move in the same direction, so that the movable clamp 102 moves closer to the stationary clamp 101; the clamping surface of the stationary clamp 101 is concave, and the clamping surface of the movable clamp 102 is conforming to the clamping surface of the stationary clamp 101. Mounting base 2, clamp assembly 1 is located at one end of mounting base 2, and static clamp is fixedly mounted on mounting base 2; The first slider 3 is located in the middle of the mounting base 2, and the first slider 3 has an irregular groove 301. The second slider 4 is detachably connected to the first slider 3. The second slider 4 is guided and assembled at one end of the first slider 3 and close to the clamp assembly 1. The movable clamp 102 is fixed to the second slider 4 by a positioning pin 401. The rocker arm 5 has a first end (rocker arm first end 501) hinged and a second end (rocker arm second end 502) pointing towards the irregular groove 301 and extending into the irregular groove 301 to form an extension section 503, so that the extension section 503 can move within the irregular groove 301. The rocker arm first end 501 is hinged to the mounting base 2 by a screw 504. The screw 504 constitutes the rotation fulcrum of the rocker arm 5, so that the rocker arm 5 can rotate and swing around the axis of the screw 504. The wrench 6 is configured to cause the first slider 3 and the second slider 4 to move linearly, thereby causing the extension section 503 to move within the irregular groove 301. By stopping or moving the extension section 503 in the irregular groove 301, the clamp assembly 1 is mechanically self-locked or unlocked. The operator can drive the first slider 3 to reciprocate linearly by operating the wrench 6. Guide rod 8, which is configured to provide motion guidance for first slider 3; The fixing pin 9 passes through the second slider 4 and extends to the first slider 3; The first pin 10 is disposed opposite to the first slider 3, and the guide rod 8 passes through the first pin 10. The second pin 11 is disposed opposite to the mounting base 2. The first pin 10 and the second pin 11 are arranged coaxially opposite to each other so that a single guide rod 8 passes through the coaxially opposite first pin 10 and second pin 11. Set screw 12 (set screw) is configured to fix guide rod 8; a positioning hole is provided on the first pin 10, and set screw 12 is disposed in the positioning hole; and Spring assembly 7 is configured to provide adaptive compensation to clamp assembly 1 and preload to rocker arm 5, ensuring reliable self-locking and maintaining fiber optic clamping; spring assembly 7 includes: The first spring 701, sleeved on the guide rod 8, is configured to apply a preload force to the first slider 3, causing the extension 503 to conform to the groove 301 and press against the locking tip, maintaining the mechanism's self-locking clamping state; and The second spring 702 is sleeved on the fixing pin 9 and is configured to provide clamping travel compensation for the left key of the clamp and drive the second slider 4 to move back after the driving force and control of the wrench 6 are removed to facilitate self-locking; the fixing pin 9 is inserted through the second slider 4, and the second spring 702 is sleeved on the end of the fixing pin 9 away from the first slider 3.

[0036] The first slider 3 is provided with an irregular protrusion 302 and a groove base contour 303. The edge of the irregular protrusion 302 and the groove base contour 303 enclose each other to form an irregular groove 301. The irregular protrusion 302 is a heart-shaped protrusion and the groove base contour 303 is a heart-shaped contour, so that the irregular groove 301 forms a heart-shaped closed-loop groove. The groove base contour 303 forms a closed contour by connecting its ends. The groove base contour 303 includes, in sequence, a first recess 3031, a first climbing section 3032, a first protrusion 3033, a return transition recess 3034, a second protrusion 3035, and a reset and retraction section 3036, with the reset and retraction section 3036 connecting back to the first recess 3031. The irregular protrusion 302 includes an irregular protrusion body 3021, a protrusion portion 3022, a second climbing section 3023, a recess portion 3024, and a reset guide section 3025. The third protrusion is biased towards the reset guide section 3025. A limiting hole is provided on the irregular protrusion body 3021 for installing the first slider 3.

[0037] When not in use, the extension section 503 is located at the first recess 3031, at which point the movable clamp 102 and the stationary clamp 101 are separated. When in use, the operator moves the wrench 6 and drives the first slider 3 to move away from the clamp assembly 1 (at this time, the first slider 3 simultaneously drives the second slider 4 to move in the same direction, thereby causing the second slider 4 to drive the movable clamp 102 closer to the stationary clamp 101; during the movement, the first spring 701 is compressed), causing the extension section 503 to move along the first climbing section 3032 towards the clamp assembly 1 until the stationary clamp 101 and the movable clamp 102 are separated. The two parts are positioned so that they fit together to clamp the optical fiber and provide self-locking. At this point, the extension 503 is close to the first protrusion 3033 (but still some distance away). The wrench 6 is then moved, causing the first slider 3 to move away from the clamp assembly 1 (until the extension 503 abuts against the first protrusion 3033). This causes the second slider 4 to move away from the first slider 3, compressing the second spring 702. This ensures that the stationary clamp 101 and the moving clamp 102 are always in a state of perfect contact to clamp the optical fiber and provide self-locking compensation. Use the wrench 6 to release the elastic potential energy of the first spring 701, causing the first slider 3 to move towards the clamp assembly 1. The extension section 503 moves towards the recess 3024 until it abuts against the recess 3024. At this time, the second spring 702 releases its elastic potential energy, keeping the stationary clamp 101 and the moving clamp 102, which would otherwise separate, in a closed state (i.e., the second spring 702 causes the second slider 4 to move closer to the first slider 3 until the first slider 3 and the second slider 4 return to their initial closed state). That is, after the extension section 503 abuts against the recess 3024... When the optical fiber is clamped, operations such as optical fiber identification can be performed. When it is necessary to unlock and release the optical fiber, the operator moves the wrench 6 to move the first slider 3 away from the clamp assembly 1, thereby causing the extension section 503 to move to the second protrusion 3035 (at this time, the first slider 3 and the second slider 4 separate). When the wrench 6 is released, the first spring 701 releases its elastic potential energy, causing the first slider 3 to move towards the clamp assembly 1 (due to the action of the second spring 702, the first slider 3 and the second slider 4 are brought together again), and the extension section 503 moves to the initial first concave position 3031.

[0038] In some embodiments, the self-locking and compensation mechanism of the fiber optic identifier further includes: A damping pad is provided between the rocker arm 5 and the mounting base 2 at the hinge position.

[0039] While some embodiments of the present invention have been described in this application, those skilled in the art will understand that these embodiments are merely illustrative. Numerous variations, alternatives, and improvements will arise in those skilled in the art under the teachings of this invention without departing from its scope. The appended claims are intended to define the scope of the invention and thereby cover methods and structures within the scope of the claims themselves and their equivalents.

Claims

1. A self-locking and compensation mechanism for an optical fiber identifier, characterized in that, include: A clamping assembly configured to position the optical fiber and induce macrobending loss for optical fiber identification and detection. Mounting base, wherein the clamping assembly is disposed at one end of the mounting base; A first slider is located in the middle of the mounting base, and an irregularly shaped groove is provided on the first slider; The second slider is detachably connected to the first slider, and the second slider is guided and assembled at one end of the first slider and close to the clamp assembly; A rocker arm, with its first end hinged and its second end pointing toward the irregular groove and extending into the irregular groove to form an extension section; A drive element configured to cause the first and second sliders to move linearly, thereby moving the extension section within the irregular groove, and mechanically locking or unlocking the clamping assembly by the dwelling or movement of the extension section within the irregular groove; and A spring assembly is configured to provide adaptive compensation to the clamp assembly and to provide preload to the rocker arm.

2. The self-locking and compensation mechanism of the fiber optic identifier according to claim 1, characterized in that, The first slider has an irregular protrusion and a groove base contour. The edge of the irregular protrusion and the groove base contour surround each other to form the irregular groove. The irregular protrusion is a heart-shaped protrusion and the groove base contour is a heart-shaped contour, so that the irregular groove forms a heart-shaped closed-loop groove.

3. The self-locking and compensation mechanism of the fiber optic identifier according to claim 1, characterized in that, The driving component includes at least one of a wrench, an electric push rod, an electromagnet, and a motor lead screw.

4. The self-locking and compensation mechanism of the fiber optic identifier according to claim 1, characterized in that, The rocker arm is hinged to the mounting base by a screw, and the screw forms the pivot point of the rocker arm, so that the rocker arm can rotate and swing around the axis of the screw.

5. The self-locking and compensation mechanism of the fiber optic identifier according to claim 1, characterized in that, Also includes: A damping pad is disposed between the rocker arm and the mounting base at the hinge position.

6. The self-locking and compensation mechanism of the fiber optic identifier according to claim 1, characterized in that, The clamp assembly includes: A stationary clamp, which is fixedly mounted on the mounting base; and A movable clamp is disposed on the second slider, such that when the first slider moves away from the clamp assembly, the first slider simultaneously drives the second slider to move in the same direction, so that the movable clamp moves closer to the stationary clamp.

7. The self-locking and compensation mechanism of the fiber optic identifier according to claim 1, characterized in that, Also includes: A guide rod, which is configured to provide motion guidance for the first slider; as well as A retaining pin passes through the second slider and extends to the first slider.

8. The self-locking and compensation mechanism of the fiber optic identifier according to claim 7, characterized in that, The spring assembly includes: A first spring, which is sleeved on the guide rod; and The second spring is sleeved on the fixing pin.

9. The self-locking and compensation mechanism of the fiber optic identifier according to claim 7, characterized in that, Also includes: A first pin is disposed opposite to the first slider, and the guide rod passes through the first pin. as well as The second pin is disposed opposite to the mounting base. The first pin and the second pin are arranged coaxially opposite each other so that the single guide rod passes through the coaxially opposite first pin and second pin.

10. The self-locking and compensation mechanism of the fiber optic identifier according to claim 7, characterized in that, Also includes: Set screws are configured to secure the guide rod.

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