Optical fiber sensor fixing support

Abstract

The utility model relates to an optical fiber sensor fixing support, which comprises a conical annular piece and a square cylinder, the surface of the conical annular piece is provided with three movable through grooves which are circumferentially and uniformly distributed, the movable through grooves are internally provided with clamping mechanisms, and the interior of the square cylinder is fixedly connected with a partition plate. A square lifting column penetrating through the square cylinder and slidably connected with the penetrating part is arranged at the upper end of the partition plate, a circular plate is arranged at the upper end of the square lifting column, and a rotating column penetrating through the square lifting column and rotatably connected with the penetrating part through a bearing is fixedly connected to the lower end of the circular plate; the lower end face of the circular plate is provided with a plurality of insertion holes which are evenly distributed in the circumferential direction. According to the optical fiber sensor fixing support, after the whole support is fixed, the use height of an optical fiber sensor in a clamping state can be adjusted, the optical fiber sensor can be rotated and adjusted, and practicability is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of optical fiber sensors, in particular to an optical fiber sensor fixing bracket. Background Art

[0002] Nowadays, many equipment and occasions require the use of sensors to collect certain characteristic quantities. Optical fiber sensors have been widely used in various fields due to their high sensitivity, strong anti-electromagnetic interference ability, corrosion resistance, small size and light weight. Optical fiber sensors are composed of optical transmitters, sensitive elements, optical receivers, signal processing systems and optical fibers. Their working principle is to send the optical signal from the light source into the modulator through the optical fiber, so that the optical properties of the light change after the measured parameter interacts with the light entering the modulation area, becoming a modulated signal source, and then sent to the optical detector through the optical fiber. After demodulation, the measured parameter is obtained.

[0003] The Chinese patent application number CN202120410832.6 discloses a fiber optic sensor with earthquake resistance, including a support frame, on which a tapered circular ring is provided, and on which more than three long grooves are evenly distributed around the circumference, and an earthquake-resistant clamping assembly is movably provided in the long groove, and a plurality of the earthquake-resistant clamping assemblies jointly clamp the optical fiber sensor.

[0004] However, the above-mentioned prior art still has some shortcomings in actual use. The optical fiber sensor in the above-mentioned prior art is clamped on a bracket for use, but after the bracket is fixed and installed, the use height of the optical fiber sensor cannot be adjusted, and the optical fiber sensor cannot be rotated and adjusted, which makes the use of the optical fiber sensor have certain limitations. For this reason, we propose a fixed bracket for optical fiber sensor. Utility Model Content

[0005] The utility model provides a fixing bracket for an optical fiber sensor, which solves the technical problems raised by the background technology in the prior art.

[0006] The utility model solves the above-mentioned technical problems as follows: it comprises a conical ring member and a square cylinder, the surface of the conical ring member is provided with three movable through grooves which are evenly distributed in a circumference, a clamping mechanism is arranged inside the movable through groove, a partition plate is fixedly connected inside the square cylinder, a square lifting column which penetrates the square cylinder and is slidably connected to the penetrating part is arranged at the upper end of the partition plate, a circular plate is arranged at the upper end of the square lifting column, a rotating column which penetrates the square lifting column and is rotatably connected to the penetrating part through a bearing is fixedly connected to the lower end of the circular plate, a plurality of jacks which are evenly distributed in a circumference are arranged on the lower end surface of the circular plate, a connecting column which is fixedly connected to the surface of the conical ring member is fixedly connected to the upper end surface of the circular plate, the circular plate is connected to the square lifting column through a positioning mechanism, and the square lifting column is connected to the square cylinder through a lifting mechanism.

[0007] On the basis of the above technical solution, the present invention can also be improved as follows.

[0008] Furthermore, a mounting seat is fixedly connected to the bottom end of the square tube, and a mounting through hole is opened on the surface of the mounting seat.

[0009] Furthermore, the clamping mechanism includes a threaded rod slidably connected to the inside of the corresponding movable through slot, and a nut is threadedly connected to the surface of the threaded rod.

[0010] Furthermore, the lower end of the threaded rod is fixedly connected to a limiting plate, the lower end of the limiting plate is fixedly connected to a spring 1, and the lower end of the spring is fixedly connected to a clamping plate.

[0011] Furthermore, the positioning mechanism includes a hollow plate fixedly connected to the surface of the square lifting column through a mounting rod, a movable slider is slidably connected inside the hollow plate, an insertion rod is fixedly connected to the upper end surface of the movable slider, and the insertion rod is slidably connected to the inside of the socket.

[0012] Furthermore, the lower end surface of the movable slider is fixedly connected to a pull rod that passes through the hollow plate and is slidably connected to the penetrating portion, one end of the pull rod is fixedly connected to a pull frame, and the surface of the pull rod is sleeved with two springs whose two ends are respectively fixedly connected to the lower end surface of the movable slider and one end surface inside the hollow plate.

[0013] Furthermore, the lifting mechanism includes a threaded groove provided inside the square lifting column, a lifting screw is threadedly connected inside the threaded groove, the lifting screw passes through the partition plate and is rotationally connected to the passing portion via a bearing.

[0014] Furthermore, the lower end of the lifting screw is fixedly connected to a bevel gear 1, and one side of the bevel gear 1 is provided with a bevel gear 2 which is meshed with the bevel gear 1. One side of the bevel gear 2 is fixedly connected to a rotating rod which penetrates the square tube and is rotatably connected to the penetrating part through a bearing, and one end of the rotating rod is fixedly connected to a rotating handle.

[0015] The beneficial effects of the utility model are as follows: the utility model provides a fixing bracket for an optical fiber sensor, which has the following advantages:

[0016] Through the cooperation between the circular plate, jack, connecting column, rotating column and positioning mechanism, the use position of the optical fiber sensor after clamping can be rotated and adjusted, and through the cooperation between the square tube, square lifting column, partition plate and lifting mechanism, the use height of the optical fiber sensor can be adjusted, thereby improving practicality.

[0017] The above description is only an overview of the technical solution of the utility model. In order to more clearly understand the technical means of the utility model and implement it according to the contents of the specification, the following is a detailed description of the preferred embodiment of the utility model with the accompanying drawings. The specific implementation method of the utility model is given in detail by the following embodiments and their drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present application. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0019] Figure 1 A schematic diagram of the structure of a fixing bracket for an optical fiber sensor provided in one embodiment of the utility model;

[0020] Figure 2 for Figure 1 A schematic top view of the structure of a tapered ring member in a fiber optic sensor fixing bracket is provided;

[0021] Figure 3 for Figure 1 A schematic cross-sectional view of a local structure in a fixing bracket of an optical fiber sensor is provided;

[0022] Figure 4 for Figure 3 A schematic diagram of a partial structure enlargement in a fiber optic sensor fixing bracket is provided;

[0023] Figure 5 for Figure 1 A schematic top view and cross-sectional view of the structure of a circular plate in a fiber optic sensor fixing bracket is provided.

[0024] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0025] 1. Conical ring; 2. Threaded rod; 3. Nut; 4. Limit plate; 5. Spring 1; 6. Clamp; 7. Connecting column; 8. Circular plate; 9. Hollow plate; 10. Square lifting column; 11. Square cylinder; 12. Rotating handle; 13. Mounting seat; 14. Moving through slot; 15. Rotating column; 16. Threaded slot; 17. Lifting screw; 18. Partition plate; 19. Bevel gear 1; 20. Bevel gear 2; 21. Rotating rod; 22. Socket; 23. Insert rod; 24. Moving slider; 25. Spring 2; 26. Pull rod; 27. Pull frame. DETAILED DESCRIPTION

[0026] The following is combined with Figure 1-5 The principles and features of the present invention are described, and the examples given are only used to explain the present invention, and are not used to limit the scope of the present invention. The present invention is described in more detail in the following paragraphs by way of example with reference to the accompanying drawings. The advantages and features of the present invention will become clearer according to the following description and claims. It should be noted that the drawings are all in a very simplified form and are not in precise proportions, and are only used to conveniently and clearly assist in explaining the purpose of the embodiments of the present invention.

[0027] It should be noted that when a component is referred to as being "fixed to" another component, it may be directly on the other component or there may also be a component centered. When a component is considered to be "connected to" another component, it may be directly connected to the other component or there may also be a component centered. When a component is considered to be "set on" another component, it may be directly set on the other component or there may also be a component centered. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.

[0028] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art in the technical field of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0029] like Figure 1-5As shown, the utility model provides a fiber optic sensor fixing bracket, including a conical ring member 1 and a square tube 11, the surface of the conical ring member 1 is provided with three movable through grooves 14 which are evenly distributed on the circumference, a clamping mechanism is arranged inside the movable through groove 14, a partition plate 18 is fixedly connected inside the square tube 11, a square lifting column 10 which penetrates the square tube 11 and is slidably connected to the penetrating portion is arranged on the upper end of the partition plate 18, a circular plate 8 is arranged on the upper end of the square lifting column 10, a rotating column 15 which penetrates the square lifting column 10 and is rotatably connected to the penetrating portion through a bearing is fixedly connected to the lower end of the circular plate 8, a plurality of jacks 22 which are evenly distributed on the circumference are arranged on the lower end surface of the circular plate 8, a connecting column 7 which is fixedly connected to the surface of the conical ring member 1 is fixedly connected to the upper end surface of the circular plate 8, the circular plate 8 is connected to the square lifting column 10 through a positioning mechanism, and the square lifting column 10 is connected to the square tube 11 through a lifting mechanism.

[0030] Preferably, a mounting seat 13 is fixedly connected to the bottom end of the square tube 11, and a mounting through hole is provided on the surface of the mounting seat 13. The provision of the mounting through hole facilitates the fixed installation of the entire bracket.

[0031] Preferably, the clamping mechanism comprises a threaded rod 2 slidably connected to the inside of the corresponding movable through slot 14 , and a nut 3 is threadedly connected to the surface of the threaded rod 2 .

[0032] Preferably, the lower end of the threaded rod 2 is fixedly connected to a limit plate 4, the lower end of the limit plate 4 is fixedly connected to a spring 5, the lower end of the spring 5 is fixedly connected to a clamping plate 6, and the setting of the clamping plate 6 can limit and clamp the optical fiber sensor.

[0033] Preferably, the positioning mechanism includes a hollow plate 9 fixedly connected to the surface of the square lifting column 10 through a mounting rod, a movable slider 24 is slidably connected inside the hollow plate 9, an insertion rod 23 is fixedly connected to the upper end surface of the movable slider 24, which penetrates the hollow plate 9 and is slidably connected to the penetration part, the insertion rod 23 is slidably connected to the inside of the socket 22, and the movable slider 24 can drive the insertion rod 23 to move.

[0034] Preferably, the lower end surface of the movable slider 24 is fixedly connected to a pull rod 26 that passes through the hollow plate 9 and is slidably connected to the penetrating portion, one end of the pull rod 26 is fixedly connected to a pull frame 27, and the surface of the pull rod 26 is sleeved with a spring 25 whose two ends are respectively fixedly connected to the lower end surface of the movable slider 24 and one end surface inside the hollow plate 9.

[0035] Preferably, the lifting mechanism includes a threaded groove 16 opened inside the square lifting column 10, and a lifting screw 17 is threadedly connected inside the threaded groove 16. The lifting screw 17 passes through the partition plate 18 and is rotatably connected to the passing portion through a bearing. The height of the square lifting column 10 can be raised or lowered by setting the lifting screw 17.

[0036] Preferably, the lower end of the lifting screw 17 is fixedly connected to a bevel gear 19, and one side of the bevel gear 19 is provided with a bevel gear 20 meshing with the bevel gear 19. One side of the bevel gear 20 is fixedly connected to a rotating rod 21 that penetrates the square tube 11 and is rotatably connected to the penetrating portion through a bearing, and one end of the rotating rod 21 is fixedly connected to a rotating handle 12. The setting of the rotating handle 12 facilitates the rotation of the rotating rod 21.

[0037] The specific working principle and use method of the utility model are as follows:

[0038] The utility model provides a fiber optic sensor fixing bracket. When in use, the mounting seat 13 is fixedly installed in a suitable position through the mounting through hole, and then the fiber optic sensor is limitedly clamped by the action of the spring 1 5 and the clamping plate 6, and the pull frame 27 is pulled to make the pull rod 26 drive the movable slider 24 to slide in the hollow plate 9, so that the insertion rod 23 is separated from the insertion hole 22. After separation, the limit of the circular plate 8 is released, and then the conical ring member 1 can be rotated and adjusted, so that the use direction of the fiber optic sensor can be rotated and adjusted. After adjusting to a suitable position, the pull frame 27 is released, so that the movable slider 24 drives the insertion rod 23 to slide in the opposite direction under the action of the spring 25, so that the insertion rod 23 slides into the corresponding insertion hole 22 at this time, and the limit of the circular plate 8 is completed. The rotating handle 12 is rotated to make the rotating rod 21 drive the bevel gear 20 to rotate, so that the bevel gear 1 19 drives the lifting screw 17 to rotate, and then the square lifting column 10 can be extended under the action of the threaded groove 16, so that the use height of the fiber optic sensor can be adjusted.

[0039] The above description is only a preferred embodiment of the utility model and does not impose any form of limitation on the utility model. Any ordinary technician in the industry can smoothly implement the utility model as shown in the drawings of the specification and described above. However, any equivalent changes, modifications and evolutions made by technicians familiar with the profession without departing from the scope of the technical solution of the utility model using the technical content disclosed above are all equivalent embodiments of the utility model. At the same time, any equivalent changes, modifications and evolutions made to the above embodiments based on the essential technology of the utility model are still within the protection scope of the technical solution of the utility model.

Claims

1. A fiber optic sensor fixing bracket, comprising a conical ring member (1) and a square tube (11), characterized in that: The surface of the conical ring member (1) is provided with three movable through grooves (14) evenly distributed in a circumference, and a clamping mechanism is arranged inside the movable through groove (14). A partition plate (18) is fixedly connected inside the square tube (11), and a square lifting column (10) penetrating the square tube (11) and slidably connected to the penetrating portion is arranged at the upper end of the partition plate (18). The upper end of the square lifting column (10) is provided with a circular plate (8), and the lower end of the circular plate (8) is fixedly connected with a rotating column (15) penetrating the square lifting column (10) and rotatably connected to the penetrating portion through a bearing. The lower end surface of the circular plate (8) is provided with a plurality of jacks (22) evenly distributed in a circumference, and the upper end surface of the circular plate (8) is fixedly connected with a connecting column (7) fixedly connected to the surface of the conical ring member (1), and the circular plate (8) is connected to the square lifting column (10) through a positioning mechanism, and the square lifting column (10) is connected to the square tube (11) through a lifting mechanism.

2. The optical fiber sensor fixing bracket according to claim 1, characterized in that: The bottom end of the square tube (11) is fixedly connected to a mounting seat (13), and a mounting through hole is provided on the surface of the mounting seat (13).

3. The optical fiber sensor fixing bracket according to claim 1, characterized in that: The clamping mechanism comprises a threaded rod (2) which is slidably connected to the inside of a corresponding movable through slot (14), and a nut (3) is threadedly connected to the surface of the threaded rod (2).

4. The optical fiber sensor fixing bracket according to claim 3, characterized in that: The lower end of the threaded rod (2) is fixedly connected to a limit plate (4), the lower end of the limit plate (4) is fixedly connected to a spring 1 (5), and the lower end of the spring 1 (5) is fixedly connected to a clamping plate (6).

5. The optical fiber sensor fixing bracket according to claim 1, characterized in that: The positioning mechanism comprises a hollow plate (9) fixedly connected to the surface of a square lifting column (10) via a mounting rod, a movable slider (24) slidably connected inside the hollow plate (9), an insertion rod (23) penetrating the hollow plate (9) and slidably connected to the penetrating portion is fixedly connected to the upper end surface of the movable slider (24), and the insertion rod (23) is slidably connected to the inside of the insertion hole (22).

6. The optical fiber sensor fixing bracket according to claim 5, characterized in that: The lower end surface of the movable slider (24) is fixedly connected to a pull rod (26) that penetrates the hollow plate (9) and is slidably connected to the penetrating portion, one end of the pull rod (26) is fixedly connected to a pull frame (27), and the surface of the pull rod (26) is sleeved with a spring (25) whose two ends are respectively fixedly connected to the lower end surface of the movable slider (24) and one end surface inside the hollow plate (9).

7. The optical fiber sensor fixing bracket according to claim 1, characterized in that: The lifting mechanism comprises a thread groove (16) provided inside a square lifting column (10), a lifting screw rod (17) being threadedly connected inside the thread groove (16), and the lifting screw rod (17) passes through a partition plate (18) and is rotatably connected to the passing portion via a bearing.

8. The optical fiber sensor fixing bracket according to claim 7, characterized in that: The lower end of the lifting screw rod (17) is fixedly connected to a bevel gear 1 (19); one side of the bevel gear 1 (19) is provided with a bevel gear 2 (20) meshingly connected to the bevel gear 1 (19); one side of the bevel gear 2 (20) is fixedly connected to a rotating rod (21) that penetrates the square tube (11) and is rotatably connected to the penetrating portion via a bearing; one end of the rotating rod (21) is fixedly connected to a rotating handle (12).

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