A flat horn antenna

Abstract

The utility model discloses a flat horn antenna, which relates to the technical field of horn antennas, including a horn antenna body and an insert, wherein a limiting structure is arranged between the insert and the horn antenna body, and the limiting structure includes a mounting groove, a first limiting rod and a second limiting rod. The utility model makes it more convenient to disassemble and assemble the insert in the inner cavity of the horn antenna body by matching the limiting structure with the movable structure, and quickly limits the position of the insert by engaging with the first limiting rod and the second limiting rod, thereby improving the convenience and efficiency of disassembly and assembly of the insert. At the same time, the first limiting rod and the second limiting rod can clean the dust particles that enter the horn antenna body and fall to the bottom of its inner cavity due to weight by moving, thereby reducing the probability of the horn antenna body being eroded by dust particles, extending the service life of the horn antenna body, and thus reducing the use cost of the horn antenna body.

Description

Technical Field

[0001] The utility model relates to the technical field of horn antennas, in particular to a flat horn antenna. Background Art

[0002] The horn antenna is a planar antenna, a microwave antenna with a circular or rectangular cross-section that gradually opens at the waveguide terminal. It is the most widely used type of microwave antenna. Among them, the horn antenna with a rectangular cross-section can also be called a flat horn antenna because of the flatness of the outer wall.

[0003] In order to adapt to different usage environments, the existing flat horn antenna will adjust the size of the horn mouth by installing an insert in the horn cavity. The existing insert is generally fixed to the inner cavity of the horn antenna by bolts or screws to ensure the stability of the insert when used in the horn antenna. However, the installation method of bolts or screws makes it necessary to use a tool for screwing the bolts or screws to remove the insert when the usage environment of the horn antenna is changed. This process takes a long time, and the need for tools also increases the limiting conditions for the disassembly and assembly of the insert, reduces the convenience of disassembly and assembly of the insert, and further reduces the efficiency of the use of the flat horn antenna. Therefore, in order to solve the above problems, a flat horn antenna is proposed. Utility Model Content

[0004] The purpose of the utility model is to provide a flat horn antenna to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a flat horn antenna, comprising a horn antenna body and an insert, wherein the insert is fixedly arranged in the inner cavity of the horn antenna body;

[0006] A limiting structure is arranged between the insert and the horn antenna body, and the limiting structure comprises a mounting groove, a first limiting rod and a second limiting rod. The mounting groove is opened on the inner wall of the horn antenna body, and the first limiting rod and the second limiting rod are both embedded in the inner cavity of the mounting groove, and the first limiting rod and the second limiting rod are both in an inverted "X" shape.

[0007] Preferably, a soft brush is fixedly provided at the bottom end of the first limiting rod and the second limiting rod for cleaning the inner cavity of the horn antenna body, and the X-shaped groove space of the first limiting rod and the second limiting rod is embedded in the bottom end of the insert.

[0008] Preferably, the limiting structure further includes a support rod, which is fixedly inserted between the first limiting rod and the second limiting rod, and one end of the support rod passes through the inner cavity of the mounting slot and extends to the front side of the horn antenna body.

[0009] Preferably, the inner cavity of the second limiting rod is provided with a movable structure, and the movable structure includes a movable rod and a movable groove, the movable groove is opened in the inner cavity of the second limiting rod and is connected with one end of the second limiting rod, the movable rod is movably arranged in the inner cavity of the movable groove, and a soft brush is fixedly arranged at the bottom end of the movable rod.

[0010] Preferably, a support spring is fixedly arranged between the movable rod and the movable groove, and is used for moving the position of the movable rod in the inner cavity of the movable groove.

[0011] Preferably, the support rod is T-shaped, and is used to drive the first limiting rod and the second limiting rod to move along the inner cavity of the horn antenna body.

[0012] Technical effects and advantages of the utility model:

[0013] The utility model makes it easier to disassemble and assemble the plug in the inner cavity of the horn antenna body by coordinating the limiting structure and the movable structure. The position of the plug is quickly limited by the engagement between the plug and the first limiting rod and the second limiting rod, thereby improving the convenience and efficiency of disassembly and assembly of the plug. At the same time, the first limiting rod and the second limiting rod can move to clean dust particles that enter the horn antenna body and fall to the bottom of its inner cavity due to weight, thereby reducing the probability of the horn antenna body being eroded by dust particles, extending the service life of the horn antenna body, and thereby reducing the use cost of the horn antenna body. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model.

[0015] Figure 2 It is a front sectional structural schematic diagram of the utility model.

[0016] Figure 3 For this utility model Figure 2 A is an enlarged structural diagram of FIG.

[0017] Figure 4 It is a schematic diagram of the cross-sectional structure of the utility model in top view.

[0018] In the figure: 1. Horn antenna body; 2. Insert; 3. Limiting structure; 301. Mounting slot; 302. First limiting rod; 303. Second limiting rod; 304. Soft brush; 305. Support rod; 4. Movable structure; 401. Movable rod; 402. Support spring; 403. Movable slot. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] The utility model provides Figure 1-4 A flat horn antenna shown includes a horn antenna body 1 and an insert 2, wherein the insert 2 is fixedly arranged in the inner cavity of the horn antenna body 1;

[0021] First, a limiting structure 3 is arranged between the plug-in piece 2 and the horn antenna body 1, and the limiting structure 3 includes a mounting groove 301, a first limiting rod 302 and a second limiting rod 303. The mounting groove 301 is arranged on the inner wall of the horn antenna body 1, and the first limiting rod 302 and the second limiting rod 303 are both embedded in the inner cavity of the mounting groove 301. The first limiting rod 302 and the second limiting rod 303 are both in the shape of an inverted "" character. The outer walls of the first limiting rod 302 and the second limiting rod 303 are fixedly provided with a rubber sleeve, which can play a role of protection and strengthening fastening when squeezed with the plug-in piece 2. Through the arrangement of the mounting groove 301 and the first limiting rod 302 and the second limiting rod 303, the plug-in piece 2 can be installed in position by engaging with the first limiting rod 302 and the second limiting rod 303. At the same time, the first limiting rod 302 and the second limiting rod 303 are fixedly provided with a rubber sleeve. 3 is embedded in the inner cavity of the installation groove 301 by extrusion, so the installation and use between the plug-in piece 2 and the horn antenna body 1 can be guaranteed, thereby providing convenience for the disassembly and assembly between the plug-in piece 2 and the horn antenna body 1, reducing the time for disassembly and assembly between the plug-in piece 2 and the horn antenna body 1, and improving the convenience and efficiency of disassembly and assembly between the plug-in piece 2 and the horn antenna body 1. The first limiting rod 302 and the second limiting rod 303 can move along the inner cavity of the horn antenna body 1 under the action of external force. During the movement, the dust particles falling on the bottom of the inner cavity of the horn antenna body 1 can be cleaned, which provides comfort for the use of the horn antenna body 1. The first limiting rod 302 and the second limiting rod 303 are arranged in a "X" shape, and the two ends can squeeze the two sides of the inner cavity of the horn antenna body 1, thereby strengthening the firmness of the installation of the plug-in piece 2.

[0022] Secondly, a soft brush 304 is fixedly provided at the bottom end of the first limiting rod 302 and the second limiting rod 303 for cleaning the inner cavity of the horn antenna body 1. The "X"-shaped groove space of the first limiting rod 302 and the second limiting rod 303 is engaged with the bottom end of the insert 2. The setting of the soft brush 304 can generate friction on the inner wall of the horn antenna body 1 as the first limiting rod 302 and the second limiting rod 303 move in the inner cavity of the horn antenna body 1, thereby properly cleaning the dust particles accumulated in the inner cavity of the horn antenna body 1, thereby reducing the degree of erosion of the horn antenna body 1 by dust particles, effectively extending the service life of the horn antenna body 1, and reducing the use cost of the horn antenna body 1.

[0023] Next, the limiting structure 3 also includes a support rod 305, which is fixedly inserted between the first limiting rod 302 and the second limiting rod 303, one end of the support rod 305 passes through the inner cavity of the installation groove 301 and extends to the front of the horn antenna body 1, and the support rod 305 is T-shaped, which is used to drive the first limiting rod 302 and the second limiting rod 303 to move along the inner cavity of the horn antenna body 1. The support rod 305 and the first limiting rod 302 and the second limiting rod 303 are all fixedly arranged, but the front side of the support rod 305 exposes the installation groove 301. Therefore, before the insert 2 is installed and fixed, the support rod 305 can be pulled 05 drives the first limiting rod 302 and the second limiting rod 303 to move along the inner cavity of the horn antenna body 1, and moves the first limiting rod 302 and the second limiting rod 303 toward the front of the horn antenna body 1. During the movement, the soft brush 304 can be driven to rub against the inner wall of the horn antenna body 1, so that the accumulated dust can be cleared out. Furthermore, the setting of the support rod 305 enables the first limiting rod 302 and the second limiting rod 303 to move synchronously, which improves the convenience and flexibility of the movement of the first limiting rod 302 and the second limiting rod 303, thereby improving the practicality of the first limiting rod 302 and the second limiting rod 303.

[0024] Finally, the inner cavity of the second limiting rod 303 is provided with a movable structure 4, and the movable structure 4 includes a movable rod 401 and a movable groove 403. The movable groove 403 is opened in the inner cavity of the second limiting rod 303 and is connected with one end of the second limiting rod 303. The movable rod 401 is movably arranged in the inner cavity of the movable groove 403. A soft brush 304 is fixedly arranged at the bottom end of the movable rod 401. A supporting spring 402 is fixedly arranged between the movable rod 401 and the movable groove 403 for moving the position of the movable rod 401 in the inner cavity of the movable groove 403. The movable structure 4 is only arranged in the second limiting rod 303, so that the restriction on the position of the insert 2 can be set on the first limiting rod 302 to avoid collision. The elastic support tilts and provides a stable support for the installation of the insert 2. The second limit rod 303 is set because the second limit rod 303 is close to the end of the horn antenna body 1 with a small opening, and the space for dust particles to enter is close to the end of the horn antenna body 1 with a large opening. Therefore, as the second limit rod 303 moves, the movable rod 401 extends out of the inner cavity of the movable groove 403, so that the dust particles entering the horn antenna body 1 can be cleaned on a large scale during the movement, thereby ensuring the effectiveness of cleaning the dust particles accumulated in the inner cavity of the horn antenna body 1, thereby increasing the role of the second limit rod 303 and improving the practicability of the second limit rod 303.

[0025] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A flat horn antenna, comprising a horn antenna body (1) and an insert (2), wherein the insert (2) is fixedly arranged in the inner cavity of the horn antenna body (1); It is characterized in that A limiting structure (3) is arranged between the insert (2) and the horn antenna body (1), the limiting structure (3) comprising a mounting groove (301), a first limiting rod (302) and a second limiting rod (303), the mounting groove (301) being arranged on the inner wall of the horn antenna body (1), the first limiting rod (302) and the second limiting rod (303) being both embedded in the inner cavity of the mounting groove (301), and the first limiting rod (302) and the second limiting rod (303) being both in the shape of an inverted "X" (Chinese character).

2. A flat horn antenna according to claim 1, characterized in that: A soft brush (304) is fixedly provided at the bottom end of each of the first limiting rod (302) and the second limiting rod (303) for cleaning the inner cavity of the horn antenna body (1); the "X"-shaped groove space of the first limiting rod (302) and the second limiting rod (303) is engaged with the bottom end of the insert (2).

3. The flat horn antenna according to claim 1, characterized in that: The limiting structure (3) further comprises a support rod (305), wherein the support rod (305) is fixedly inserted between the first limiting rod (302) and the second limiting rod (303), and one end of the support rod (305) passes through the inner cavity of the mounting groove (301) and extends to the front side of the horn antenna body (1).

4. The flat horn antenna according to claim 1, characterized in that: The inner cavity of the second limiting rod (303) is provided with a movable structure (4), and the movable structure (4) comprises a movable rod (401) and a movable groove (403), the movable groove (403) is opened in the inner cavity of the second limiting rod (303) and is connected to one end of the second limiting rod (303), the movable rod (401) is movably arranged in the inner cavity of the movable groove (403), and a soft brush (304) is fixedly arranged at the bottom end of the movable rod (401).

5. A flat horn antenna according to claim 4, characterized in that: A support spring (402) is fixedly arranged between the movable rod (401) and the movable groove (403) and is used for moving the position of the movable rod (401) in the inner cavity of the movable groove (403).

6. The flat horn antenna according to claim 3, characterized in that: The support rod (305) is T-shaped and is used to drive the first limiting rod (302) and the second limiting rod (303) to move along the inner cavity of the horn antenna body (1).

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