Combined horn antenna

Abstract

The utility model discloses a combined horn antenna which comprises a horn antenna body, the horn antenna body is composed of a waveguide section, a horn front section and a horn rear section, a combination mechanism is arranged between the horn front section and the horn rear section, the combination mechanism comprises a short combination ring and a long combination ring, an annular groove is formed in the outer wall of the long combination ring, and the waveguide section is arranged in the annular groove. A driving ring is arranged in an inner cavity of the annular groove, the outer wall of the driving ring is sleeved with a force application ring, an annular rotating groove is formed in the front face of the force application ring, a rotating ring is arranged in an inner cavity of the annular rotating groove, a movable ring is arranged on the front face of the rotating ring, and a plurality of L-shaped pressing blocks are arranged on the front face of the movable ring in an annular array mode. According to the utility model, through the arrangement of the combination mechanism, through the cooperation of the short combination ring, the long combination ring, the annular groove, the driving ring, the force application ring, the rotating ring, the movable ring and the L-shaped pressing block, the disassembly and assembly work of the conical horn antenna can be rapidly completed, the problem that the large-size circular horn antenna is difficult to carry is solved, and the difficulty of the carrying work is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to a horn antenna technical field, in particular to a combined horn antenna. BACKGROUND

[0002] The horn antenna is a kind of common microblog antenna, and is named because its appearance is similar to horn;The horn antenna is mainly composed of a gradually opened waveguide, and the waveguide opening is gradually expanded into a larger opening to realize effective radiation and reception of electromagnetic waves;The horn antenna has the advantages of simple structure, easy manufacturing, good radiation characteristics in wide frequency band, good directivity, high gain and the like;Therefore, the horn antenna is widely used in radar system, radio astronomy, satellite communication and other fields.

[0003] In many fields, conical horn antennas are widely used due to their unique radiation characteristics, such as good directivity and moderate gain;However, some conical horn antennas have obvious limitations in actual use;In order to realize efficient radiation and reception of specific frequency bands, the size of some circular horn antennas is designed to be larger, which leads to a larger volume;The larger volume makes it difficult to transport the conical horn antenna, whether it is to transfer the equipment in an indoor environment or to relocate the equipment in the field;The larger volume seriously limits the mobility and increases the difficulty of transportation. SUMMARY

[0004] The utility model aims at providing a combined horn antenna to solve the problems in the above background.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a combined horn antenna, comprising:

[0006] A horn antenna body, the horn antenna body is composed of a waveguide section, a horn front section and a horn rear section;

[0007] A combination mechanism is arranged between the horn front section and the horn rear section;

[0008] The combination mechanism includes a short combination ring, the back of the short combination ring is provided with a long combination ring, the outer wall of the long combination ring is provided with an annular groove, the inner cavity of the annular groove is provided with a driving ring, the outer wall of the driving ring is provided with a force ring, the front of the force ring is provided with an annular rotating groove, the inner cavity of the annular rotating groove is provided with a rotating ring, the front of the rotating ring is provided with a movable ring, and the front of the movable ring is provided with a plurality of L-shaped pressing blocks in annular array.

[0009] Preferably, the short combination ring is sleeved with the outer wall of the front section of the horn, the long combination ring is sleeved with the outer wall of the rear section of the horn, the inner wall of the annular groove is provided with uniformly distributed external threads, the inner wall of the driving ring is provided with uniformly distributed internal threads, the annular groove and the driving ring are threadedly connected through the external threads and the internal threads, the force applying ring is sleeved with the outer wall of the driving ring, the movable ring is fixedly connected to the front surface of the rotating ring, and the plurality of L-shaped pressing blocks are rotatably connected to the front surface of the movable ring.

[0010] Preferably, the front surface of the long combination ring is provided with a plurality of insertion holes in an annular array, the inner cavities of the plurality of insertion holes are provided with insertion rods, and the plurality of insertion rods are fixedly connected to the back surface of the short combination ring.

[0011] Preferably, the outer wall of the long combination ring is symmetrically provided with a limiting sliding groove, the inner wall of the movable ring is symmetrically fixedly connected with limiting sliding blocks, and the outer walls of the two limiting sliding blocks are slidably sleeved with the inner cavities of the limiting sliding grooves in position correspondence.

[0012] Preferably, the back surface of the long combination ring is provided with a limiting rotation assembly.

[0013] The limiting rotation assembly comprises a fixed sleeve, the fixed sleeve is fixedly connected to the back surface of the long combination ring, the inner cavity of the fixed sleeve is provided with a limiting rotation rod, the inner wall of the driving ring is provided with a limiting rotation hole, one end of the limiting rotation rod is movably sleeved with the inner cavity of the limiting rotation hole, the back surface of the fixed sleeve is provided with a strip-shaped hole, the inner cavity of the strip-shaped hole is provided with a T-shaped force applying block, and the T-shaped force applying block is fixedly connected to the back surface of the limiting rotation rod.

[0014] Preferably, the other end of the limiting rotation rod is fixedly connected with a reset spring, and one end of the reset spring is fixedly connected with one side of the inner wall of the fixed sleeve.

[0015] The technical effects and advantages of the utility model are as follows:

[0016] (1) The utility model discloses a combination mechanism is arranged, through the cooperation between short combination ring, long combination ring, annular groove, driving ring, force applying ring, rotating ring, movable ring and L-shaped pressing block, the dismounting and mounting of the conical horn antenna can be quickly completed, the problem that the circular horn antenna of large size is difficult to carry is solved, and the difficulty of carrying work is reduced.

[0017] (2) The utility model discloses a limiting rotation assembly is arranged, through the cooperation between fixed sleeve, limiting rotation rod, limiting rotation hole and T-shaped force applying block, the rotation of the force applying ring and the driving ring can be limited, and the stability of the combination mechanism is improved. DRAWINGS

[0018] Figure 1 It is a three-dimensional structure schematic diagram of the utility model.

[0019] Figure 2 It is the limit rotation assembly bottom surface section structure schematic view of the utility model.

[0020] Figure 3 It is the limit rotation assembly bottom surface section structure schematic view of the utility model. Figure 2 It is the limit rotation assembly bottom surface section structure schematic view of the utility model.

[0021] In the figure: 1, horn antenna body;101, waveguide section;102, horn front section;103, horn rear section;2, combination mechanism;201, short combination ring;202, long combination ring;203, drive ring;204, force ring;205, rotating ring;206, movable ring;207, L-shaped pressing block;208, insertion rod;209, limit rotation assembly;2091, fixed sleeve;2092, limit rotation rod;2093, T-shaped force block;2094, reset spring;210, limit slide block. Specific embodiments

[0022] The technical scheme in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0023] The utility model provides a kind of combined horn antenna as shown in Figures 1-3 Including horn antenna body 1, horn antenna body 1 is composed of waveguide section 101, horn front section 102 and horn rear section 103, combination mechanism 2 is equipped between horn front section 102 and horn rear section 103, combination mechanism 2 makes that conical horn antenna can be quickly disassembled into two parts, provides the convenience for carrying work;

[0024] The combined mechanism 2 comprises a short combined ring 201, the short combined ring 201 is fixedly sleeved on the outer wall of the front section 102 of the horn, the back surface of the short combined ring 201 is provided with a long combined ring 202, the long combined ring 202 is fixedly sleeved on the outer wall of the rear section 103 of the horn, the front surface of the long combined ring 202 is provided with a plurality of insertion holes in annular array, the inner cavities of the plurality of insertion holes are all provided with insertion rods 208, the insertion rods 208 and the insertion holes are used for accurate butt joint, the plurality of insertion rods 208 are all fixedly connected to the back surface of the short combined ring 201, the outer wall of the long combined ring 202 is provided with an annular groove, the inner wall of the annular groove is provided with uniformly distributed external threads, the inner cavity of the annular groove is provided with a driving ring 203, the inner wall of the driving ring 203 is provided with uniformly distributed internal threads, the annular groove and the driving ring 203 are connected through external threads and internal threads, the outer wall of the driving ring 203 is sleeved with a force applying ring 204, the force applying ring 204 is fixedly sleeved on the outer wall of the driving ring 203, the outer wall of the force applying ring 204 is provided with uniformly distributed strip-shaped patterns, for increasing the friction force between the force applying ring 204 and the palm of a worker, the front surface of the force applying ring 204 is provided with an annular rotating groove, the inner cavity of the annular rotating groove is provided with a rotating ring 205, the cross section of the annular rotating groove and the rotating ring 205 is T-shaped, the front surface of the rotating ring 205 is provided with a movable ring 206, the movable ring 206 is fixedly connected to the front surface of the rotating ring 205, the outer wall of the long combined ring 202 is symmetrically provided with limiting sliding grooves, the inner wall of the movable ring 206 is symmetrically fixedly connected with limiting sliding blocks 210, the limiting sliding blocks 210 and the limiting sliding grooves are used for limiting the movement track of the movable ring 206, the outer walls of the two limiting sliding blocks 210 are slidably sleeved with the inner cavities of the limiting sliding grooves corresponding in position, the front surface of the movable ring 206 is provided with a plurality of L-shaped pressing blocks 207 in annular array, the plurality of L-shaped pressing blocks 207 are all rotationally connected to the front surface of the movable ring 206;

[0025] The back surface of the long combined ring 202 is provided with a limiting rotation assembly 209, the limiting rotation assembly 209 is used for preventing the force applying ring 204 from rotating under force when it is not needed to rotate, the limiting rotation assembly 209 comprises a fixed sleeve 2091, the fixed sleeve 2091 is fixedly connected to the back surface of the long combined ring 202, the inner cavity of the fixed sleeve 2091 is provided with a limiting rotation rod 2092, the inner wall of the driving ring 203 is provided with a limiting rotation hole, one end of the limiting rotation rod 2092 is movably sleeved with the inner cavity of the limiting rotation hole, the other end of the limiting rotation rod 2092 is fixedly connected with a reset spring 2094, the reset spring 2094 can be elastically deformed to drive the limiting rotation rod 2092 to automatically make reset movement, one end of the reset spring 2094 is fixedly connected with one side of the inner wall of the fixed sleeve 2091, the back surface of the fixed sleeve 2091 is provided with a strip-shaped hole, the inner cavity of the strip-shaped hole is provided with a T-shaped force applying block 2093, the T-shaped force applying block 2093 is used for conveniently driving the limiting rotation rod 2092 to move by a worker applying force, the T-shaped force applying block 2093 is fixedly connected to the back surface of the limiting rotation rod 2092.

[0026] The working principle of the utility model:

[0027] When the conical horn antenna with large volume needs to be carried, the T-shaped force block 2093 is first used to drive the limiting rotation rod 2092 to disengage from the limiting rotation hole, and when the limiting rotation rod 2092 completely disengages from the limiting rotation hole, the driving ring 203 is driven to rotate counterclockwise by the force ring 204, the driving ring 203 rotating counterclockwise in the annular groove will drive the movable ring 206 and the L-shaped pressing block 207 to move along the trajectory of the limiting sliding groove through the rotating ring 205, when the L-shaped pressing block 207 does not generate extrusion force on the short combined ring 201, the plurality of L-shaped pressing blocks 207 are turned away from the front surface of the short combined ring 201, and then the horn front section 102 and the horn rear section 103 can be separated, thereby providing convenience for carrying the conical horn antenna.

[0028] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the foregoing detailed description of the present application is made with reference to the foregoing embodiments, for the person skilled in the art, it still can be modified to the technical solutions recorded in the foregoing embodiments, or equivalent replacement for some of the technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, should be included in the protection scope of the present application.

Claims

1. A combined horn antenna, comprising: a horn antenna body (1) composed of a waveguide section (101), a horn front section (102) and a horn rear section (103); characterized in that a combination mechanism (2) is arranged between the horn front section (102) and the horn rear section (103); the combination mechanism (2) comprises a short combination ring (201), the back of the short combination ring (201) is provided with a long combination ring (202), the outer wall of the long combination ring (202) is provided with an annular groove, the inner cavity of the annular groove is provided with a driving ring (203), the outer wall of the driving ring (203) is sleeved with a force ring (204), the front of the force ring (204) is provided with an annular rotating groove, the inner cavity of the annular rotating groove is provided with a rotating ring (205), the front of the rotating ring (205) is provided with a movable ring (206), and the front of the movable ring (206) is provided with a plurality of L-shaped pressing blocks (207) in an annular array.

2. A combination horn antenna according to claim 1, wherein The short combination ring (201) is fixedly sleeved on the outer wall of the horn front section (102), the long combination ring (202) is fixedly sleeved on the outer wall of the horn rear section (103), the inner wall of the annular groove is provided with uniformly distributed external threads, the inner wall of the driving ring (203) is provided with uniformly distributed internal threads, the annular groove and the driving ring (203) are connected by external threads and internal threads, the force ring (204) is fixedly sleeved on the outer wall of the driving ring (203), the movable ring (206) is fixedly connected to the front of the rotating ring (205), and a plurality of L-shaped pressing blocks (207) are rotatably connected to the front of the movable ring (206).

3. A combination horn antenna according to claim 1, wherein A plurality of insertion holes are arranged in an annular array on the front of the long combination ring (202), the inner cavities of the plurality of insertion holes are each provided with an insertion rod (208), and the plurality of insertion rods (208) are fixedly connected to the back of the short combination ring (201).

4. A combination horn antenna according to claim 1, wherein The outer wall of the long combination ring (202) is symmetrically provided with a limiting sliding groove, the inner wall of the movable ring (206) is symmetrically fixedly connected with a limiting sliding block (210), and the outer walls of the two limiting sliding blocks (210) are slidably sleeved in the inner cavities of the position corresponding limiting sliding grooves.

5. A combination horn antenna according to claim 1, wherein The back of the long combination ring (202) is provided with a limiting rotation assembly (209); the limiting rotation assembly (209) comprises a fixed sleeve (2091) fixedly connected to the back of the long combination ring (202), the inner cavity of the fixed sleeve (2091) is provided with a limiting rotation rod (2092), the inner wall of the driving ring (203) is provided with a limiting rotation hole, one end of the limiting rotation rod (2092) is movably sleeved in the inner cavity of the limiting rotation hole, the back of the fixed sleeve (2091) is provided with a strip-shaped hole, the inner cavity of the strip-shaped hole is provided with a T-shaped force block (2093), and the T-shaped force block (2093) is fixedly connected to the back of the limiting rotation rod (2092).

6. A combination horn antenna according to claim 5, wherein, ​

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