Electromagnetic field test antenna support convenient to adjust

Abstract

The utility model discloses an electromagnetic field test antenna support convenient to adjust, which relates to the technical field of electromagnetic field test and comprises a mounting sleeve mounted at the top of a mounting box, a first worm is rotatably connected in the upper end of the mounting sleeve, an arc-shaped groove is formed in the upper end of the mounting sleeve, and an adjusting ring is slidably connected in the arc-shaped groove. And meshing grooves which are annularly distributed at equal intervals are formed in the outer side of the adjusting ring. According to the electromagnetic field test antenna support convenient to adjust, the adjusting ring is driven by the first worm, flexible adjustment of the inclination angle of an antenna at the top of the mounting plate can be achieved, the antenna test angle requirements in different directions are met, the adjusting worm gear is driven by the second worm to rotate, and horizontal angle adjustment of the mounting sleeve can be achieved; the horizontal direction of the antenna can be conveniently changed, and the horizontal linear position and height of the antenna can be conveniently and accurately adjusted through the sliding sleeve, the sliding rod, the telescopic rod and other parts, so that the support has high adaptability and flexibility and can better cope with a complex test environment.

Description

Technical Field

[0001] This utility model relates to the field of electromagnetic field testing technology, specifically to an antenna support for easy adjustment of electromagnetic field testing. Background Technology

[0002] An electromagnetic field test antenna is a device used to measure the intensity and distribution of electromagnetic fields. Electromagnetic field test antennas are generally installed and fixed by a bracket, but existing electromagnetic field test antenna brackets are not convenient for adjustment.

[0003] To overcome the above-mentioned defects, Chinese patent (publication number: CN213520270U) discloses an electromagnetic field testing antenna bracket, including a bracket body. A base is fixedly connected to the bottom center of the bracket body. A second sliding rod is provided in the inner center of the bracket body, and a fixed connecting block is fixedly connected to the bottom of the outer surface of the bracket body. A top plate is fixedly connected to the top center of the second sliding rod. Second slots are opened on both the left and right bottom ends of the base. Third connecting rods are fixedly connected to the left and right bottom ends of the fixed connecting block. The antenna height can be adjusted at any time, so that the signal of the device is not affected by the height. This makes the device more reasonable and convenient to use, ensuring its practicality and stability.

[0004] While existing technologies can overcome the shortcomings mentioned above, other problems still exist in their operation: existing antenna supports generally allow for height adjustment at any time, but in actual use, it is not convenient to adjust the tilt angle of the antenna. Utility Model Content

[0005] The purpose of this invention is to provide an antenna support for electromagnetic field testing that is easy to adjust, in order to solve the problem that existing antenna supports in the background art generally have adjustable height, but it is not convenient to adjust the tilt angle of the antenna in actual use.

[0006] To achieve the above objectives, this utility model provides the following technical solution: an antenna support for electromagnetic field testing that is easy to adjust, including a base, a mounting box fixedly connected to the top of the base, and an angle adjustment structure for adjusting the tilt angle of the support installed on the top of the mounting box;

[0007] The tilt adjustment structure includes a mounting sleeve installed on the top of the mounting box, and a first worm gear is rotatably connected inside the upper end of the mounting sleeve. The upper end of the mounting sleeve is provided with an arc-shaped groove, and an adjusting ring is slidably connected inside the arc-shaped groove. The outer side of the adjusting ring is provided with meshing grooves that are distributed in an annular pattern, and the inside of the meshing grooves meshes with the outside of the first worm gear. The adjusting ring and the meshing grooves form a worm gear-like structure.

[0008] The connection between the mounting box and the mounting sleeve is provided with a horizontal angle adjustment structure for adjusting the horizontal angle of the mounting sleeve, and a linear adjustment structure with a bracket is installed at the end of the adjustment ring away from the mounting sleeve.

[0009] Preferably, the horizontal angle adjustment structure includes an adjusting worm gear fixedly connected to the bottom of the rotating shaft, and the end of the rotating shaft away from the mounting sleeve is rotatably connected to the inside of the mounting box.

[0010] Preferably, an adjusting worm gear is fixedly connected to one end of the rotating shaft inside the mounting box, and the adjusting worm gear is rotatably connected inside the mounting box.

[0011] Preferably, a second worm gear is rotatably connected to one side of the inside of the mounting box, and the outer side of the second worm gear meshes with the adjusting worm wheel.

[0012] Preferably, the linear adjustment structure includes a sliding sleeve fixedly connected to the end of the adjustment ring, and a first self-tightening screw is slidably connected inside the sliding sleeve. Limiting blocks are fixedly connected to the top and bottom of the sliding sleeve, and sliding grooves are provided at the top and bottom of the sliding rod.

[0013] Preferably, the limiting block inside the sliding sleeve is slidably connected to the sliding grooves at the top and bottom of the sliding rod, and a first self-tightening screw is rotatably connected to one end of the top of the sliding sleeve, and the lower end of the first self-tightening screw passes through the limiting block and is engaged in the slot at the top of the sliding rod.

[0014] Preferably, a hollow rod is fixedly connected to the end of the sliding rod away from the sliding sleeve, and a guide rail is provided on one side of the hollow rod. A telescopic rod is slidably connected inside the hollow rod, and a second self-tightening screw is threaded to the lower end of the telescopic rod. The end of the second self-tightening screw away from the telescopic rod extends to the outside of the hollow rod through the guide rail. At the same time, a mounting plate is fixedly connected to the top of the telescopic rod.

[0015] Compared with the prior art, the beneficial effects of this utility model are:

[0016] This is an adjustable electromagnetic field test antenna bracket. A first worm gear drives an adjusting ring, allowing for flexible adjustment of the antenna tilt angle at the top of the mounting plate to meet antenna test angle requirements in different directions. A second worm gear drives an adjusting worm wheel to rotate, enabling adjustment of the horizontal angle of the mounting sleeve, thus facilitating changes to the antenna's horizontal orientation. Components such as a sliding sleeve, sliding rod, and telescopic rod allow for convenient and precise adjustment of the antenna's horizontal straight-line position and height. This gives the bracket strong adaptability and flexibility, enabling it to better cope with complex testing environments.

[0017] Furthermore, when the first worm stops rotating, its self-locking property with the meshing groove ensures that the position of the adjusting ring remains unchanged, preventing angular deviation caused by external force or vibration. The second worm also has good self-locking property with the adjusting worm wheel, which can effectively fix the horizontal angle and ensure the accurate maintenance of the antenna direction. Attached Figure Description

[0018] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0019] Figure 2 This is a schematic diagram of the exploded structure of this utility model;

[0020] Figure 3 This is a schematic diagram of the cross-sectional structure of the mounting sleeve of this utility model;

[0021] Figure 4 This is a schematic cross-sectional view of the mounting box of this utility model;

[0022] Figure 5 This is a schematic diagram of the exploded structure of the sliding sleeve of this utility model;

[0023] Figure 6 This is a schematic diagram of the cross-sectional structure of the hollow rod of this utility model.

[0024] In the diagram: 1. Base; 2. Mounting box; 3. Mounting sleeve; 4. First worm gear; 5. Adjusting ring; 6. Engaging groove; 7. Rotating shaft; 8. Adjusting worm wheel; 9. Second worm gear; 10. Sliding sleeve; 11. Sliding rod; 12. First self-tightening screw; 13. Hollow rod; 14. Guide rail; 15. Telescopic rod; 16. Second self-tightening screw; 17. Mounting plate. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0026] Example 1: Please refer to Figure 1 - Figure 6This utility model provides the following technical solution: an antenna support for electromagnetic field testing that is easy to adjust, including a base 1, a mounting box 2 fixedly connected to the top of the base 1, and a tilt adjustment structure for adjusting the tilt angle of the support installed on the top of the mounting box 2; the tilt adjustment structure includes a mounting sleeve 3 installed on the top of the mounting box 2, and a first worm gear 4 rotatably connected inside the upper end of the mounting sleeve 3, an arc-shaped groove provided on the upper end of the mounting sleeve 3, and an adjusting ring 5 slidably connected inside the arc-shaped groove, and an engagement groove 6 provided on the outer side of the adjusting ring 5 in an annular and equidistant manner, and the engagement groove 6 engages with the outer side of the first worm gear 4, and the adjusting ring 5 and the engagement groove 6 form a worm gear-like structure; a horizontal angle adjustment structure for adjusting the horizontal angle of the mounting sleeve 3 is provided at the connection between the mounting box 2 and the mounting sleeve 3, and a linear adjustment structure for the support is installed at the end of the adjusting ring 5 away from the mounting sleeve 3.

[0027] First, the antenna is installed on top of the mounting plate 17, and then the antenna and the bracket are connected to each other. After the antenna is installed, the first worm 4 is rotated to drive the adjusting ring 5 to slide inside the arc-shaped groove inside the mounting sleeve 3. At this time, the first worm 4 will slide inside the meshing groove 6. Since the adjusting ring 5 and the meshing groove 6 form a worm gear-like structure, when the first worm 4 stops rotating, the position of the adjusting ring 5 inside the mounting sleeve 3 will be fixed due to the self-locking property between the worm gear and the first worm 4, thereby fixing the angle of the adjusting ring 5. During the movement of the adjusting ring 5, the adjusting ring 5 will rotate around the circle of the adjusting ring 5, thereby adjusting the tilt angle of the antenna installed on top of the mounting plate 17.

[0028] Example 2: Based on Example 1, a horizontal angle adjustment structure is also disclosed, the specific structure of which is as follows: The horizontal angle adjustment structure includes an adjusting worm wheel 8 fixedly connected to the bottom of the rotating shaft 7, and the end of the rotating shaft 7 away from the mounting sleeve 3 is rotatably connected to the inside of the mounting box 2; the adjusting worm wheel 8 is fixedly connected to the end of the rotating shaft 7 located inside the mounting box 2, and the adjusting worm wheel 8 is rotatably connected to the inside of the mounting box 2; a second worm 9 is rotatably connected to one side inside the mounting box 2, and the outer side of the second worm 9 and the adjusting worm wheel 8 mesh with each other.

[0029] By rotating the second worm gear 9, the adjusting worm wheel 8 is driven to rotate. During the rotation of the adjusting worm wheel 8, the rotating shaft 7 and the mounting sleeve 3 on its top will be driven to rotate, thereby adjusting the horizontal angle of the mounting sleeve 3 and the adjusting ring 5 installed inside it, and adjusting the horizontal angle of the antenna installed on the top of the mounting plate 17. At the same time, the antenna tilt angle adjustment is used to adjust the antenna orientation, and the angle is fixed by the self-locking between the rotating shaft 7 and the adjusting worm wheel 8.

[0030] Example 3: Based on Examples 2 and 3, a linear adjustment structure is also disclosed, the specific structure of which is as follows: The linear adjustment structure includes a sliding sleeve 10 fixedly connected to the end of the adjusting ring 5, and a first self-tightening screw 12 is slidably connected inside the sliding sleeve 10. Limiting blocks are fixedly connected to the top and bottom of the sliding sleeve 10, and the top and bottom of the sliding rod 11 are provided with sliding grooves; the limiting blocks inside the sliding sleeve 10 are slidably connected to the sliding grooves at the top and bottom of the sliding rod 11, and the first self-tightening screw 12 is rotatably connected to one end of the top of the sliding sleeve 10. The lower end of the first self-tightening screw 12 passes through the limiting block and is engaged in the slot at the top of the slide rod 11; a hollow rod 13 is fixedly connected to the end of the slide rod 11 away from the slide sleeve 10, and a guide rail 14 is provided on one side of the hollow rod 13. A telescopic rod 15 is slidably connected inside the hollow rod 13, and a second self-tightening screw 16 is threadedly connected to the lower end of the telescopic rod 15. The end of the second self-tightening screw 16 away from the telescopic rod 15 extends to the outside of the hollow rod 13 through the guide rail 14. At the same time, a mounting plate 17 is fixedly connected to the top of the telescopic rod 15.

[0031] By separating the first self-tightening screw 12 from the slot at the top of the slide rod 11, the slide rod 11 is slid inside the slide sleeve 10 to adjust its position inside the slide sleeve 10. After the position of the slide rod 11 inside the slide sleeve 10 is adjusted, the first self-tightening screw 12 is installed on the top of the slide sleeve 10 so that the lower end of the first self-tightening screw 12 and the slot at the top of the slide rod 11 fit together, thereby fixing the position of the slide rod 11 inside the slide sleeve 10 and adjusting the horizontal straight position of the antenna.

[0032] By rotating the second self-tightening screw 16, the end of the telescopic rod 15 away from the guide rail 14 is separated from it. At this time, the position of the telescopic rod 15 inside the guide rail 14 is adjusted. When the telescopic rod 15 is adjusted to a suitable state, the second self-tightening screw 16 is rotated to make the end of the telescopic rod 15 away from the guide rail 14 fit together, thereby fixing the position of the telescopic rod 15 inside the hollow rod 13 and adjusting the height of the antenna.

[0033] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "connected" or "linked" should be interpreted broadly. For example, it can refer to a fixed connection, a detachable connection, or an integral connection; it can refer to a mechanical connection or an electrical connection; it can refer to a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0034] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. An antenna support for electromagnetic field testing that is easy to adjust, comprising a base (1), wherein a mounting box (2) is fixedly connected to the top of the base (1), and a tilt adjustment structure for adjusting the tilt angle of the support is installed on the top of the mounting box (2); Its features are: The tilt adjustment structure includes a mounting sleeve (3) installed on the top of the mounting box (2), and a first worm gear (4) is rotatably connected inside the upper end of the mounting sleeve (3). The upper end of the mounting sleeve (3) is provided with an arc groove, and an adjusting ring (5) is slidably connected inside the arc groove. The outer side of the adjusting ring (5) is provided with meshing grooves (6) distributed in an annular pattern, and the inside of the meshing grooves (6) meshes with the outside of the first worm gear (4). The adjusting ring (5) and the meshing grooves (6) form a worm gear-like structure. The connection between the mounting box (2) and the mounting sleeve (3) is provided with a horizontal angle adjustment structure for adjusting the horizontal angle of the mounting sleeve (3), and a straight adjustment structure with a bracket is installed at the end of the adjustment ring (5) away from the mounting sleeve (3).

2. The adjustable electromagnetic field testing antenna bracket according to claim 1, characterized in that: The horizontal angle adjustment structure includes an adjustment worm gear (8) fixedly connected to the bottom of the rotating shaft (7), and the end of the rotating shaft (7) away from the mounting sleeve (3) is rotatably connected to the inside of the mounting box (2).

3. The antenna support for easily adjustable electromagnetic field testing according to claim 2, characterized in that: The rotating shaft (7) is fixedly connected to an adjusting worm gear (8) at one end inside the mounting box (2), and the adjusting worm gear (8) is rotatably connected inside the mounting box (2).

4. The adjustable electromagnetic field testing antenna bracket according to claim 3, characterized in that: The second worm (9) is rotatably connected to one side of the inside of the mounting box (2), and the outer side of the second worm (9) and the adjusting worm wheel (8) mesh with each other.

5. The adjustable electromagnetic field test antenna bracket according to claim 4, characterized in that: The linear adjustment structure includes a sliding sleeve (10) fixedly connected to the end of the adjustment ring (5), and a first self-tightening screw (12) is slidably connected inside the sliding sleeve (10). Limit blocks are fixedly connected to the top and bottom of the sliding sleeve (10), and the top and bottom of the sliding rod (11) are provided with sliding grooves.

6. The adjustable electromagnetic field test antenna bracket according to claim 5, characterized in that: The limiting block inside the sliding sleeve (10) is slidably connected to the top and bottom grooves of the sliding rod (11), and the top end of the sliding sleeve (10) is rotatably connected to the first self-tightening screw (12), and the lower end of the first self-tightening screw (12) passes through the limiting block and is engaged in the slot at the top of the sliding rod (11).

7. The adjustable electromagnetic field test antenna bracket according to claim 6, characterized in that: The end of the slide rod (11) away from the slide sleeve (10) is fixedly connected to a hollow rod (13), and a guide rail (14) is provided on one side of the hollow rod (13). A telescopic rod (15) is slidably connected inside the hollow rod (13), and a second self-tightening screw (16) is threadedly connected to the lower end of the telescopic rod (15). The end of the second self-tightening screw (16) away from the telescopic rod (15) extends to the outside of the hollow rod (13) through the guide rail (14). At the same time, a mounting plate (17) is fixedly connected to the top of the telescopic rod (15).

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