Miniature optical fiber gyroscope

Abstract

The utility model provides a miniature optical fiber gyroscope which comprises a base, a fixing cylinder is fixedly arranged at the center of the top of the base, fixing rods are fixedly arranged on the four sides of a cylinder body of the fixing cylinder, a protective cover is fixedly mounted on the outer side of the fixing cylinder through a mounting mechanism, and the mounting mechanism comprises a shifting plate. Through cooperation of a shifting plate, a clamping rod and a clamping hole, the protective cover can be conveniently and rapidly disassembled and assembled, operation is easy and convenient, electronic components in the protective cover are protected through the combined action of the supporting mechanism, the fixing cylinder and the protective cover, and safety is high.

Description

Technical Field

[0001] The utility model relates to the technical field of miniature optical fiber gyroscopes, in particular to a miniature optical fiber gyroscope. Background Art

[0002] Fiber optic gyroscope is an instrument that can accurately determine the position of a moving object. It has the advantages of full solid state, fast startup, light weight, and long life. The fiber optic gyroscope includes the main components such as light source, optical fiber, modulator, detector and signal processor, as well as the base and shell; the shell of the fiber optic gyroscope is usually fixed to the top of the base by screws, and the main components such as the light source and optical fiber are arranged on the inside of the shell. However, when the fiber optic gyroscope is impacted by external force, the protection of the shell is low and it is easy to cause damage. In addition, it is troublesome to disassemble it during maintenance by screws, and its practicality is low.

[0003] To this end, the utility model provides a miniature fiber optic gyroscope. Utility Model Content

[0004] In view of the deficiencies in the prior art, the purpose of the utility model is to provide a miniature fiber optic gyroscope to solve the problems raised in the above-mentioned background technology. The utility model facilitates the rapid disassembly and installation of the protective cover through the cooperation of the dial plate, the clamping rod and the clamping hole, and the operation is simple and convenient. The electronic components inside the miniature fiber optic gyroscope are protected by the joint action of the supporting mechanism, the fixing tube and the protective cover, and the utility model has high safety.

[0005] In order to achieve the above-mentioned purpose, the utility model is implemented through the following technical scheme: a miniature fiber optic gyroscope, including a base, a fixed tube is fixedly arranged at the center position of the top of the base, fixed rods are fixedly arranged on the four sides of the tube body of the fixed tube, a protective cover is fixedly installed on the outer side of the fixed tube through a mounting mechanism, the mounting mechanism includes a dial plate, a clamping rod is fixedly arranged on one side of the bottom end of the dial plate, a supporting mechanism is fixedly arranged on the top of the inner side of the protective cover, the supporting mechanism includes a fixed block and a cross bar, the fixed block is fixedly arranged at the center position of the inner top wall of the protective cover, and a second sealing rubber ring is fixedly arranged between the bottom outer wall of the fixed tube and the protective cover.

[0006] Furthermore, the cross bar is fixedly arranged on four sides of the fixing block, and a protruding rod is fixedly arranged at the bottom of one end of the cross bar.

[0007] Furthermore, four inner sides of the top end of the fixing tube are provided with mounting grooves, and the cross bar is installed inside the mounting grooves.

[0008] Furthermore, the protruding rod is arranged on the inner side of the fixing tube and contacts the inner wall of the fixing tube. The electronic components are fixedly arranged on the corresponding base inside the fixing tube. The four corners of the base are provided with fixing holes.

[0009] Furthermore, the fixing rod is in a cross shape, and one end of the fixing rod is arranged inside the fixing tube.

[0010] Furthermore, the other end of the fixing rod is in contact with the inner wall of the protective cover, and the other ends of the fixing rods on both sides of the bottom are provided with clamping holes.

[0011] Furthermore, grooves are provided on both sides of the bottom end of the protective cover, the shift plate is arranged inside the grooves, the clamping rod is limitedly slidably arranged inside the inner wall of the protective cover, a spring is fixedly arranged between the clamping rod and the inner wall of the protective cover, and one end of the clamping rod is clamped inside the clamping hole.

[0012] Furthermore, a first sealing rubber ring is fixedly provided on the top of the inner wall of the protective cover, the first sealing rubber ring is arranged on the outer wall of the mounting groove, and the cross bar passes through the first sealing rubber ring and contacts the inner wall of the protective cover.

[0013] The beneficial effects of the utility model are as follows: the utility model is a miniature fiber optic gyroscope that can support the top ends of the protective cover and the fixed tube through supporting mechanisms such as the fixed block, the cross bar and the convex bar, and can support the bottom end of the protective cover through the fixed rod, thereby improving the stability of the protective cover and the fixed tube, and conveniently increasing the stability of the miniature optical front gyroscope through the protective cover; through the clamping action of the fixed rod and the clamping rod, the protective cover can be quickly fixed, and the protective cover can be quickly installed and disassembled, the operation is simple and convenient, and the practicability is high; the first sealing rubber ring and the second sealing rubber ring can improve the sealing of the miniature fiber optic gyroscope. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a structural diagram of a miniature fiber optic gyroscope of the utility model;

[0015] Figure 2 It is a front cross-sectional view of a miniature fiber optic gyroscope of the utility model;

[0016] Figure 3 This is a structural diagram of a base and a fixing tube of a miniature fiber optic gyroscope of the utility model;

[0017] Figure 4 This is a structural diagram of a protective cover of a miniature fiber optic gyroscope of the utility model;

[0018] In the figure: 1. base; 2. fixing hole; 3. protective cover; 4. dial plate; 5. fixing tube; 6. electronic components; 7. fixing block; 8. cross bar; 9. mounting groove; 10. first sealing rubber ring; 11. protruding rod; 12. fixing rod; 13. second sealing rubber ring. DETAILED DESCRIPTION

[0019] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0020] See also Figures 1 to 4 The utility model provides a technical solution: a miniature fiber optic gyroscope, comprising a base 1, a fixed tube 5 is fixedly arranged at the center position of the top of the base 1, and fixed rods 12 are fixedly arranged on the four sides of the tube body of the fixed tube 5, and a protective cover 3 is fixedly installed on the outer side of the fixed tube 5 through a mounting mechanism, and the mounting mechanism includes a dial plate 4, and a clamping rod is fixedly arranged on one side of the bottom end of the dial plate 4, and a supporting mechanism is fixedly arranged on the top of the inner side of the protective cover 3, and the supporting mechanism includes a fixing block 7 and a cross bar 8, and the fixing block 7 is fixedly arranged at the center position of the inner top wall of the protective cover 3, and a second sealing rubber ring 13 is fixedly arranged between the outer wall of the bottom end of the fixed tube 5 and the protective cover 3, and the protective cover 3 can be supported by the fixed rod 12 and the supporting mechanism, so that the protection of the electronic components 6 can be increased through the protective cover 3 and the fixed tube 5, and the safety is high, and the second sealing rubber ring 13 can increase the sealing between the protective cover 3 and the fixed tube 5.

[0021] In this embodiment, the cross bar 8 is fixedly arranged on the four sides of the fixed block 7, and a convex rod 11 is fixedly arranged at the bottom of one end of the cross bar 8. The four inner sides of the top of the fixed tube 5 are provided with mounting grooves 9, and the cross bar 8 is installed inside the mounting groove 9. The convex rod 11 is arranged on the inner side of the fixed tube 5 and contacts the inner wall of the fixed tube 5. The electronic components 6 are fixedly arranged on the corresponding base 1 inside the fixed tube 5, and fixing holes 2 are opened at the four corners of the base 1. The cross bar 8 is installed inside the mounting groove 9. The top of the protective cover 3 can be supported by the cooperation of the cross bar 8 and the mounting groove 9. The cooperation of the convex rod 11 and the cross bar 8 can support the inside of the top of the fixed tube 5, thereby improving the stability of the protective cover 3 and the fixed tube 5, and improving the safety of the electronic components 6. The provided fixing holes 2 are convenient for installing the miniature fiber optic gyroscope.

[0022] In this embodiment, the above-mentioned fixing rod 12 is in the shape of a cross, one end of the fixing rod 12 is arranged inside the fixing tube 5, and the other end of the fixing rod 12 contacts the inner wall of the protective cover 3, and the other end of the fixing rod 12 on both sides of the bottom is provided with a clamping hole, and the two sides of the bottom end of the protective cover 3 are provided with grooves, and the shift plate 4 is arranged inside the groove, and the clamping rod is limited and slidably arranged inside the inner wall of the protective cover 3, and a spring is fixedly arranged between the clamping rod and the inner wall of the protective cover 3, and one end of the clamping rod is clamped inside the clamping hole, and one end of the clamping rod enters the inside of the clamping hole under the elastic force of the spring, so as to facilitate the limiting of the protective cover 3, and the protective cover 3 can be quickly installed and disassembled, and the set fixing rod 12 can support the inner side of the bottom end of the protective cover 3 to improve the stability of the protective cover 3.

[0023] In this embodiment, a first sealing rubber ring 10 is fixedly provided on the top of the inner wall of the protective cover 3. The first sealing rubber ring 10 is arranged on the outer wall of the mounting groove 9. The cross bar 8 passes through the first sealing rubber ring 10 and contacts the inner wall of the protective cover 3. The first sealing rubber ring 10 can seal the mounting groove 9 and the protective cover 3, thereby improving the sealing performance of the miniature fiber optic gyroscope and preventing dust and the like from entering the interior of the miniature fiber optic gyroscope.

[0024] When using the micro fiber optic gyroscope, a tool such as a blade is used to insert the dial plate 4 between the groove and squeeze the dial plate 4 outward, and the dial plate 4 is pulled outward inside the groove. The dial plate 4 drives the card rod to move inside the protective cover 3 and compress the spring, and the protective cover 3 is sleeved on the outside of the fixed tube 5 from above. The protective cover 3 drives the cross bar 8 and installs the cross bar 8 inside the installation groove 9. At the same time, the convex rod 11 is arranged inside the fixed tube 5 and contacts its inner wall. At the same time, the bottom end of the protective cover 3 contacts the outer end of the fixed rod 12. The first sealing rubber ring 10 blocks the outside of the installation groove 9. The second sealing rubber ring 13 is arranged between the bottom end of the protective cover 3 and the fixed tube 5. Release the dial plate 4. The plate 4 and the dial plate 4 move in the opposite direction under the action of the clamping rod and the spring, and one end of the clamping rod enters the inside of the clamping hole, so that the clamping rod can be engaged with the fixing rod 12, and the dial plate 4 enters the inside of the groove. The first sealing rubber ring 10 and the second sealing rubber ring 13 can improve the sealing performance of the miniature fiber optic gyroscope. The top ends of the protective cover 3 and the fixing tube 5 can be supported by supporting mechanisms such as the fixing block 7, the cross bar 8 and the convex rod 11. The bottom end of the protective cover 3 can be supported by the fixing rod 12, thereby improving the stability of the protective cover 3 and the fixing tube 5, and conveniently increasing the stability of the miniature optical fiber gyroscope through the protective cover 3. The operation is simple and convenient, and the practicability is high.

[0025] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A miniature fiber optic gyroscope, comprising a base (1), characterized in that: A fixing cylinder (5) is fixedly arranged at the center position of the top of the base (1), and fixing rods (12) are fixedly arranged on four sides of the cylinder body of the fixing cylinder (5). A protective cover (3) is fixedly arranged on the outer side of the fixing cylinder (5) via a mounting mechanism, and the mounting mechanism comprises a shifting plate (4), and a clamping rod is fixedly arranged on one side of the bottom end of the shifting plate (4). A supporting mechanism is fixedly arranged on the top of the inner side of the protective cover (3), and the supporting mechanism comprises a fixing block (7) and a cross bar (8). The fixing block (7) is fixedly arranged at the center position of the inner top wall of the protective cover (3), and a second sealing rubber ring (13) is fixedly arranged between the outer wall of the bottom end of the fixing cylinder (5) and the protective cover (3).

2. A micro fiber optic gyroscope according to claim 1, characterized in that: The cross bar (8) is fixedly arranged on four sides of the fixed block (7), and a protruding rod (11) is fixedly arranged at the bottom of one end of the cross bar (8).

3. A micro fiber optic gyroscope according to claim 2, characterized in that: The top end of the fixing tube (5) is provided with mounting grooves (9) on four inner sides, and the cross bar (8) is mounted inside the mounting grooves (9).

4. A micro fiber optic gyroscope according to claim 3, characterized in that: The protruding rod (11) is arranged on the inner side of the fixing tube (5) and contacts the inner wall of the fixing tube (5); an electronic component (6) is fixedly arranged on the corresponding base (1) inside the fixing tube (5); and fixing holes (2) are provided at the four corners of the base (1).

5. The micro fiber optic gyroscope according to claim 1, characterized in that: The fixing rod (12) is in the shape of a cross, and one end of the fixing rod (12) is arranged inside the fixing cylinder (5).

6. A micro fiber optic gyroscope according to claim 5, characterized in that: The other end of the fixing rod (12) contacts the inner wall of the protective cover (3), and the other ends of the fixing rod (12) on both sides of the bottom are provided with clamping holes.

7. A micro fiber optic gyroscope according to claim 6, characterized in that: Grooves are provided on both sides of the bottom end of the protective cover (3), the shifting plate (4) is arranged inside the grooves, the clamping rod is limitedly slidably arranged inside the inner wall of the protective cover (3), a spring is fixedly arranged between the clamping rod and the inner wall of the protective cover (3), and one end of the clamping rod is clamped inside the clamping hole.

8. The micro fiber optic gyroscope according to claim 1, characterized in that: A first sealing rubber ring (10) is fixedly arranged on the top of the inner wall of the protective cover (3); the first sealing rubber ring (10) is arranged on the outer wall of the mounting groove (9); and the cross bar (8) passes through the first sealing rubber ring (10) and contacts the inner wall of the protective cover (3).

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