Anti-interference device for ground navigation

Abstract

The utility model relates to the technical field of foundation navigation, and discloses an anti-interference device for foundation navigation, which comprises an anti-interference device and a fixed base, a foundation navigator body is mounted on the surface of the top end of the fixed base, a buffer device is mounted on the surface of the top end of the fixed base, and an antenna is mounted on the surface of the top end of the buffer device. The fixed base is in threaded connection with the lower end of the anti-interference device. According to the anti-interference device for foundation navigation, the connecting piece, the metal block, the anti-interference filter and the connecting frame are arranged, the connecting piece is inserted into the metal block, and the connecting piece and the connecting frame can clamp and fix the anti-interference filter, so that the connecting piece is quickly and conveniently separated from the metal block, and the anti-interference filter is quickly and conveniently disassembled; the insertion frame drives the bearing frame to move outwards, so that the insertion frame and the connecting frame are fixed through threads, the anti-interference filter can be clamped and fixed, and the safety of the anti-interference filter can be protected.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of ground navigation, concretely to an anti -interference device for ground navigation. BACKGROUND

[0002] As an important navigation means, ground navigation mainly relies on the radio wave contact between the navigation station on the ground and the navigation equipment to realize the positioning and navigation of the target.

[0003] The prior art discloses an anti-interference device for ground navigation, and relates to the technical field of anti-interference, the anti-interference device for ground navigation, including the casing, the top of the casing is fixedly connected with the limiting circular ring, the casing is connected with the spherical sleeve through the limiting circular ring arranged at the top, the inside of the spherical ball is fixedly connected with the antenna, the inner wall of the casing is fixedly connected with the first connecting plate, and the casing is movably connected with the second connecting plate through the first connecting plate arranged on the inner wall.

[0004] When the antenna is impacted, the antenna is inclined to one side under the force, the spherical ball rotates in the limiting circular ring, the first spring buffers the force received by the antenna, the purpose of protecting the antenna is achieved, the casing is impacted, the second spring plays a role of shock absorption and buffering, the impact force received by the casing is reduced, the damage degree of the casing after being impacted is reduced, the service life of the casing is increased, and the purpose of increasing the service life of the device is achieved. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing an anti-interference device for ground navigation to solve the problems in the background art.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: an anti-interference device for ground navigation, including an anti-interference device and a fixed base, the top surface of the fixed base is installed with a ground navigation device body, the top surface of the fixed base is installed with a buffer device, the top surface of the buffer device is installed with an antenna, and the fixed base is screw-connected to the lower end of the anti-interference device.

[0007] The anti-interference device includes a protective shell, a buffer pad, a connecting assembly and a metal block, the buffer pad is fixedly connected to the surface of the protective shell, the metal block is fixedly connected to the inner wall surface of the protective shell, and the metal block is movably connected to the outward end of the connecting assembly.

[0008] Preferably, the connecting assembly comprises a connecting piece, a plug-in frame, a connecting frame, a coil spring, a limiting threaded rod, an anti-interference filter and a bearing frame, the connecting frame is threadedly connected to the top end surface of the connecting piece, the connecting frame is threadedly connected to the upper end of the plug-in frame, the limiting threaded rod is threadedly connected to the inward end of the plug-in frame, the plug-in frame is movably connected to the outward end of the anti-interference filter, the coil spring is fixedly connected to the inward end of the plug-in frame, and the coil spring is movably connected to the upper end of the bearing frame.

[0009] Preferably, the connecting piece is plugged into the inner wall surface of the metal block, the connecting piece is movably connected to the inner wall surface of the protective shell, the connecting piece moves downwards along the inner wall surface of the protective shell, and the connecting piece is plugged into the inner wall surface of the metal block, so that the position of the connecting piece can be determined.

[0010] Preferably, the plug-in frame is movably connected to the inward end surface of the connecting piece, the connecting piece is movably connected to the outward side surface of the anti-interference filter, the anti-interference filter and the inward side surface of the connecting piece are connected, the plug-in frame is pushed, the plug-in frame is plugged into the outward end of the anti-interference filter, and the position between the anti-interference filter and the connecting piece can be determined.

[0011] Preferably, the bearing frame is movably connected to the lower end surface of the plug-in frame and the lower end of the anti-interference filter, the bearing frame and the anti-interference filter are movably connected, so that the position of the anti-interference filter can be determined, and the anti-interference filter can be prevented from being separated from the plug-in frame.

[0012] Preferably, the connecting frame is movably connected to the inner wall surface of the protective shell, the connecting frame is plugged into the upper end of the connecting piece along the inner wall surface of the protective shell, the connecting frame and the connecting piece are threadedly fixed, the connecting frame can be conveniently disassembled and replaced, and the connecting frame can be disassembled and replaced.

[0013] Preferably, the protective shell is movably connected to the upper end surface of the fixed base and the lower end surface of the antenna, the protective shell is plugged into the upper end of the fixed base, so that the antenna and the base navigator body can be protected.

[0014] Compared with the prior art, the anti-interference device for base navigation has the advantages that:

[0015] 1. The anti-interference device for base navigation is provided with a connecting piece, a metal block, an anti-interference filter and a connecting frame, the connecting piece is plugged into the interior of the metal block, the connecting piece and the connecting frame can clamp and fix the anti-interference filter, the connecting piece can be quickly and conveniently separated from the metal block, the anti-interference filter can be quickly and conveniently disassembled, and the use time of the device can be prolonged.

[0016] 2. The anti-interference device for ground navigation, through the setting up of the plug-in frame, the connecting frame and the bearing frame, the plug-in frame drives the bearing frame to move to the outside, makes the plug-in frame and the connecting frame between the threaded fixing, can clamp and fix the anti-interference filter, can protect the safety of the anti-interference filter, and the disassembly of the connecting frame and the plug-in frame makes the replacement of the anti-interference filter fast and convenient. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the whole three-dimensional schematic view of the utility model;

[0018] Figure 2 It is the three-dimensional schematic view of the antenna, the ground navigation device body and the buffer device of the utility model;

[0019] Figure 3 It is the bottom surface schematic view of the anti-interference device of the utility model;

[0020] Figure 4 It is the three-dimensional schematic view of the connecting assembly of the utility model.

[0021] In the drawing: 1, anti-interference device;11, protective shell;12, buffer pad;13, connecting assembly;131, connecting piece;132, plug-in frame;133, connecting frame;134, helical spring;135, limiting threaded rod;136, anti-interference filter;137, bearing frame;14, metal block;2, fixed base;3, antenna;4, ground navigation device body;5, buffer device. DETAILED DESCRIPTION

[0022] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with 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 the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0023] Please refer to Figures 1-4 The utility model provides the following technical scheme:

[0024] An anti-interference device for ground navigation, including anti-interference device 1 and fixed base 2, the top surface of fixed base 2 is installed with ground navigation device body 4, the top surface of fixed base 2 is installed with buffer device 5, the top surface of buffer device 5 is installed with antenna 3, and fixed base 2 is screw connected to the lower end of anti-interference device 1.

[0025] The anti-interference device 1 comprises a protective shell 11, a buffer pad 12, a connecting assembly 13 and a metal block 14, the buffer pad 12 is fixedly connected to the surface of the protective shell 11, the protective shell 11 is movably connected to the upper end surface of the fixed base 2, the protective shell 11 is movably connected to the lower end surface of the antenna 3, the protective shell 11 is inserted into the upper end of the fixed base 2, so that the antenna 3 and the base navigation device body 4 can be protected, the metal block 14 is fixedly connected to the inner wall surface of the protective shell 11, and the metal block 14 is movably connected to the outward end of the connecting assembly 13.

[0026] The connecting assembly 13 comprises a connecting piece 131, an insertion frame 132, a connecting frame 133, a spiral spring 134, a limiting threaded rod 135, an anti-interference filter 136 and a bearing frame 137, the connecting frame 133 is screw-connected to the top end surface of the connecting piece 131, the connecting piece 131 is inserted into the inner wall surface of the metal block 14, the connecting piece 131 is movably connected to the inner wall surface of the protective shell 11, the connecting piece 131 moves downwards along the inner wall surface of the protective shell 11, and the connecting piece 131 is inserted into the inner wall surface of the metal block 14, so that the position of the connecting piece 131 can be determined, the connecting frame 133 is screw-connected to the upper end of the insertion frame 132, the insertion frame 132 is movably connected to the inward end surface of the connecting piece 131, the connecting piece 131 is movably connected to the outward side surface of the anti-interference filter 136, the anti-interference filter 136 is connected to the inward side surface of the connecting piece 131, the insertion frame 132 is pushed, and the insertion frame 132 is inserted into the outward end of the anti-interference filter 136, so that the position between the anti-interference filter 136 and the connecting piece 131 can be determined, the connecting frame 133 is movably connected to the inner wall surface of the protective shell 11, the connecting frame 133 is inserted into the upper end of the connecting piece 131 along the inner wall surface of the protective shell 11, and the connecting frame 133 is screw-fixed with the connecting piece 131, so that the connecting frame 133 can be conveniently disassembled and replaced, the limiting threaded rod 135 is screw-connected to the inward end of the insertion frame 132, the insertion frame 132 is movably connected to the outward end of the anti-interference filter 136, the spiral spring 134 is fixedly connected to the inward end of the insertion frame 132, the spiral spring 134 is movably connected to the upper end of the bearing frame 137, the bearing frame 137 is movably connected to the lower end surface of the insertion frame 132, the bearing frame 137 is movably connected to the lower end of the anti-interference filter 136, and the bearing frame 137 is movably connected between the anti-interference filter 136, so that the position of the anti-interference filter 136 can be determined, and the anti-interference filter 136 can be prevented from being separated from the insertion frame 132.

[0027] In use, the base navigation device body 4 is placed at the middle position of the top end surface of the fixed base 2, so that the position of the base navigation device body 4 can be determined.

[0028] The buffer device 5 is fixed on the top surface of the base 2, and the antenna 3 is fixed on the top surface of the buffer device 5, so that the position of the antenna 3 is determined.

[0029] The helical spring 134 is pushed to move outward, and is inserted into the outward end of the insertion frame 132, so that the bottom end surface of the helical spring 134 is movably connected to the front end of the insertion frame 132, and the position of the helical spring 134 is determined.

[0030] The bearing frame 137 is pushed to move outward, and is inserted into the front end of the insertion frame 132, and the bearing frame 137 is connected to the top end surface of the helical spring 134.

[0031] The limiting threaded rod 135 is pushed to be inserted into the front end of the insertion frame 132, and the limiting threaded rod 135 can pass through the upper end of the bearing frame 137, and the insertion frame 132 is located in the helical spring 134.

[0032] The nut is rotated on the threaded end surface of the limiting threaded rod 135, and the nut is screwed between the insertion frame 132 and the limiting threaded rod 135.

[0033] The upper end of the connecting frame 133 is held, the connecting frame 133 is pushed to move downward, the connecting frame 133 is inserted into the upper end of the connecting piece 131, and then the nut is rotated on the threaded connection of the upper end of the connecting piece 131, so that the connecting frame 133 and the connecting piece 131 are screwed.

[0034] The inner end surface of the anti-interference filter 136 is held, and the outer side surface of the anti-interference filter 136 is pushed to be movably connected to the inner side surface of the connecting piece 131, so that the position of the connecting piece 131 is determined.

[0035] The front end of the insertion frame 132 is held, the insertion frame 132 is pushed to move outward, and the insertion frame 132 is inserted into the insertion and fixation between the connecting piece 131 and the anti-interference filter 136, so that the position of the anti-interference filter 136 is determined.

[0036] The bottom end surface of the anti-interference filter 136 is movably connected to the inner wall surface of the bearing frame 137, the anti-interference filter 136 can push the bearing frame 137 to move downward, the bearing frame 137 slides on the surface of the limiting threaded rod 135, so that the bearing frame 137 and the insertion frame 132 can compress the helical spring 134.

[0037] The front end of the plug-in frame 132 and the connecting frame 133 is movably connected, a rotating nut is rotated at the inward end of the connecting frame 133, so that the plug-in frame 132 and the connecting frame 133 are fixed by screw threads, and the position of the anti-interference filter 136 is determined.

[0038] The connecting piece 131 is pushed to move downwards along the inner wall surface of the protective shell 11, the connecting piece 131 is plugged into the inner wall surface of the metal block 14, the connecting piece 131 and the metal block 14 are plugged, and the position of the anti-interference filter 136 is determined.

[0039] The upper end of the protective shell 11 is held, the protective shell 11 is pushed to move downwards, the protective shell 11 is connected to the upper end of the fixed base 2, and then a rotating nut is rotated, so that the fixed base 2 and the protective shell 11 are fixed by screw threads.

[0040] When the protective shell 11 moves downwards, the protective shell 11 can move downwards along the surface of the antenna 3, and the position of the antenna 3 is determined.

[0041] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. An anti-jamming device for ground navigation, comprising an anti-jamming device (1) and a fixed base (2), characterized in that: The top surface of the fixed base (2) is provided with a foundation navigator body (4), the top surface of the fixed base (2) is provided with a buffer device (5), the top surface of the buffer device (5) is provided with an antenna (3), and the fixed base (2) is screw-connected to the lower end of the anti-interference device (1); The anti-interference device (1) comprises a protective shell (11), a buffer pad (12), a connecting assembly (13) and a metal block (14), the buffer pad (12) is fixedly connected to the surface of the protective shell (11), the metal block (14) is fixedly connected to the inner wall surface of the protective shell (11), and the metal block (14) is movably connected to the outward end of the connecting assembly (13).

2. The anti-jamming device for ground navigation according to claim 1, characterized in that: The connecting assembly (13) comprises a connecting piece (131), a plug-in frame (132), a connecting frame (133), a spiral spring (134), a limiting threaded rod (135), an anti-interference filter (136) and a bearing frame (137), the connecting frame (133) is screw-connected to the top surface of the connecting piece (131), the connecting frame (133) is screw-connected to the upper end of the plug-in frame (132), the limiting threaded rod (135) is screw-connected to the inward end of the plug-in frame (132), the plug-in frame (132) is movably connected to the outward end of the anti-interference filter (136), the spiral spring (134) is fixedly connected to the inward end of the plug-in frame (132), and the spiral spring (134) is movably connected to the upper end of the bearing frame (137).

3. The anti-jamming device for ground navigation according to claim 2, characterized in that: The connecting piece (131) is plugged into the inner wall surface of the metal block (14), and the connecting piece (131) is movably connected to the inner wall surface of the protective shell (11).

4. The anti-jamming device for ground navigation according to claim 3, characterized in that: The plug-in frame (132) is movably connected to the inward end surface of the connecting piece (131), and the connecting piece (131) is movably connected to the outward side surface of the anti-interference filter (136).

5. The anti-jamming device for ground navigation according to claim 4, characterized in that: The bearing frame (137) is movably connected to the lower end surface of the plug-in frame (132), and the bearing frame (137) is movably connected to the lower end of the anti-interference filter (136).

6. The anti-jamming device for ground navigation according to claim 5, characterized in that: The connecting frame (133) is movably connected to the inner wall surface of the protective shell (11).

7. The anti-jamming device for ground navigation according to claim 6, characterized in that: The protective shell (11) is movably connected to the upper end surface of the fixed base (2), and the protective shell (11) is movably connected to the lower end surface of the antenna (3).

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