Multi-arm helical antenna

Abstract

The utility model discloses a multi-arm helical antenna which comprises a base, the top of the base is provided with a supporting seat, the top of the supporting seat is provided with a supporting rod, the top of the supporting rod is provided with a supporting plate, and the top of the supporting plate is provided with a transmission mechanism. Two sets of supporting frames are arranged on the outer side of the supporting rod and located between the supporting base and the transmission mechanism, four sets of spiral antenna bodies are arranged among the base, the two sets of supporting frames and the transmission mechanism, and a plurality of wire plates are fixedly connected to the outer side of the supporting rod and located among the base, the two sets of supporting frames and the transmission mechanism. Mounting grooves are formed in the positions, located on the front side, the rear side, the left side and the right side of the supporting rod, of the interior of the base, limiting grooves are formed in the peripheries of the two sets of supporting frames, and limiting blocks are arranged at the positions, corresponding to the limiting grooves, of the outer sides of the two sets of supporting frames. According to the utility model, the overall practicability of the helical antenna is improved through the design.

Description

Technical Field

[0001] The utility model belongs to the technical field of antennas, and in particular relates to a multi-arm helical antenna. Background Art

[0002] A helical antenna is an antenna with a helical shape; it is composed of a metal helical wire with good electrical conductivity, and is usually fed by a coaxial line, the core line of the coaxial line is connected to one end of the helical wire, and the outer conductor of the coaxial line is connected to a grounded metal mesh (or plate); the helical antenna is divided into a single-arm structure and a multi-arm structure, wherein the multi-arm helical antenna is formed by a plurality of helical antennas, and has a better transmission effect when used; when the existing multi-arm helical antenna is in use, the antenna is installed on a base, and a transmission metal structure is arranged at the front end of the antenna, although the signal transmission can be effectively performed, the multiple antennas cannot be effectively supported and fixed, and the stability of the antenna when in use cannot be guaranteed, and at the same time, a metal plate is arranged at the end of the existing multi-arm helical antenna, but when the metal plate is installed, it is not convenient to connect with the end of the antenna, the installation and connection are relatively complicated, and there are certain limitations in use;

[0003] Therefore, it is particularly important to improve the existing sealing mechanism and design a new aluminum roller to change the above technical defects and improve the practicality of the overall aluminum roller;

[0004] It should be noted that the above contents belong to the technical knowledge of the inventor and do not necessarily constitute prior art. Utility Model Content

[0005] The utility model aims to provide a multi-arm helical antenna, which aims to solve the problems in the prior art that multiple antennas cannot be effectively supported and fixed, the stability of the antennas cannot be guaranteed when in use, the installation and connection are relatively complicated, and there are certain limitations in use.

[0006] To achieve the above-mentioned purpose, the utility model proposes a multi-arm helical antenna, including a base, a support seat is provided on the top of the base, a support rod is provided on the top of the support seat, a support plate is provided on the top of the support rod, a transmission mechanism is provided on the top of the support plate, two groups of support frames are provided on the outside of the support rod and between the support seat and the transmission mechanism, four groups of helical antenna bodies are provided between the base, the two groups of support frames and the transmission mechanism, a plurality of wire plates are fixedly connected on the outside of the support rod and between the base, the two groups of support frames and the transmission mechanism, installation grooves are provided inside the base and on the front and rear sides and the left and right sides of the support rod, limiting grooves are provided around the two groups of support frames, and limiting blocks are provided on the outside of the two groups of support frames and at positions corresponding to the plurality of limiting grooves.

[0007] In one example, several of the wire boards have wire holes formed inside, several of the wire holes have been rounded inside, and several of the wire boards have a semicircular structure design.

[0008] In one example, the four groups of mounting grooves are each provided with mounting parts inside, and the four groups of mounting parts are connected to the four groups of mounting grooves by threaded connection.

[0009] In one example, a plurality of the limiting grooves are designed in a semicircular structure, and a plurality of the limiting blocks are designed in a semicircular structure "Ω".

[0010] In one example, the transmission mechanism includes a connecting plate, which is fixedly connected to the top of the support rod. A fixing ring is provided on the top of the connecting plate. A connecting groove is provided on the top of the fixing ring. A connecting bolt is provided inside the connecting groove.

[0011] In one example, contact rods are fixedly connected to the four sides of the outer side of the fixing ring, contact sleeves are fixedly connected to the bottoms of the four groups of contact rods, and the four groups of contact rods are designed in a cross-shaped structure on the outer side of the fixing ring.

[0012] In one example, threading holes are provided inside the two groups of support frames at positions corresponding to the helical antenna body, and placement grooves are provided on the top of the support plate at positions corresponding to the support rods.

[0013] The multi-arm helical antenna proposed by the utility model can bring the following beneficial effects:

[0014] The utility model adopts the designs of the base, the support seat, the support rod, the support plate, the transmission mechanism, the support frame, the helical antenna body, the wire plate, the installation groove, the limit groove and the limit block. The multi-arm helical antenna, through the transmission structure provided, adopts the connection plate, the contact rod and the contact sleeve structure, can quickly and stably perform the fixed installation of the connection plate, ensures the convenience of installation, and does not affect the normal use of the antenna after installation. The support frame provided can support the helical antenna body, ensure the stability of the helical antenna body when in use, and further ensure the normal use of the antenna. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall three-dimensional structure of a multi-arm helical antenna of the utility model;

[0016] Figure 2 It is a partial three-dimensional structural schematic diagram of a multi-arm helical antenna of the utility model;

[0017] Figure 3 The utility model is a three-dimensional structural schematic diagram of a transmission mechanism of a multi-arm helical antenna.

[0018] In the figure: 1. base; 2. support seat; 201. placement slot; 3. support rod; 4. support plate; 5. transmission mechanism; 501. connection plate; 502. fixing ring; 503. connection slot; 504. connection bolt; 505. contact rod; 506. contact sleeve; 6. support frame; 601. threading hole; 7. helical antenna body; 8. wire plate; 801. wire hole; 9. installation slot; 10. limit slot; 11. limit block. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0020] Example:

[0021] See also Figure 1-Figure 3 , the utility model provides a technical solution:

[0022] The embodiment of the utility model proposes a multi-arm helical antenna, which includes a base 1, a support seat 2 is provided on the top of the base 1, a support rod 3 is provided on the top of the support seat 2, a support plate 4 is provided on the top of the support rod 3, a transmission mechanism 5 is provided on the top of the support plate 4, two groups of support frames 6 are provided on the outside of the support rod 3 and between the support seat 2 and the transmission mechanism 5, four groups of helical antenna bodies 7 are provided between the base 1, the two groups of support frames 6 and the transmission mechanism 5, a plurality of wire plates 8 are fixedly connected on the outside of the support rod 3 and between the base 1, the two groups of support frames 6 and the transmission mechanism 5, mounting grooves 9 are provided inside the base 1 and on the front and rear sides and the left and right sides of the support rod 3, limiting grooves 10 are provided around the two groups of support frames 6, and limiting blocks 11 are provided on the outside of the two groups of support frames 6 and at positions corresponding to the plurality of limiting grooves 10.

[0023] Specifically, firstly, the base 1 is placed at the designated position, and the inside of the four groups of mounting grooves 9 are all provided with mounting parts, and the connection modes of the four groups of mounting parts and the four groups of mounting grooves 9 are respectively threaded connection, and the mounting parts are screwed into the mounting grooves 9, and a placement groove 201 is provided at the top of the support seat 2 and at the position corresponding to the support rod 3, and the mounting parts are used to limit and fix the base 1, and the support rod 3 is placed in the placement groove 201 in the support seat 2, and the support seat 2 and the support frame 6 support the support rod 3, and the two groups of support frames 6 have threading holes 601 in the inside and at the positions corresponding to the helical antenna body 7, and the transmission mechanism 5 is supported by the support plate 4, and the helical antenna body 7 is removed from the support The helical antenna body 7 is guided by the guide hole 801 in the guide plate 8, and the guide hole 801 in the guide plate 8 guides the helical antenna body 7, and can also protect the helical antenna body 7 from being worn by the corners of the guide plate 8. The limiting grooves 10 are designed in a semicircular structure, and the limiting blocks 11 are designed in a semicircular structure "Ω". The limiting grooves 10 and the limiting blocks 11 can limit the helical antenna body 7.

[0024] Among them, see Figure 1 to Figure 3 , the specific structure of the transmission mechanism 5 is as follows:

[0025] The transmission mechanism 5 includes a connecting plate 501, which is fixedly connected to the top of the support rod 3. A fixing ring 502 is provided on the top of the connecting plate 501. A connecting groove 503 is provided on the top of the fixing ring 502. A connecting bolt 504 is provided inside the connecting groove 503. Contact rods 505 are fixedly connected to the four sides of the outer side of the fixing ring 502. Contact sleeves 506 are fixedly connected to the bottoms of the four groups of contact rods 505.

[0026] Specifically, the helical antenna body 7 is transmitted through the transmission mechanism 5, and the four groups of contact rods 505 are designed in a cross-shaped structure on the outside of the fixing ring 502. The connecting plate 501 is fixedly installed on the top of the support rod 3, and the fixing ring 502 is installed on the top of the connecting plate 501. The connecting bolt 504 is installed in the connecting groove 503 in the fixing ring 502. The fixing ring 502 and the connecting plate 501 are fixed by the connecting bolt 504. The fixing ring 502 and the connecting plate 501 are installed on the top of the support rod 3, and the four groups of contact rods 505 are respectively installed around the fixing ring 502, and the contact plate 506 is installed at the bottom of the contact rod 505, so that the helical antenna body 7 and the contact plate 506 are engaged with each other.

[0027] Working principle: When using the helical antenna, first place the base 1 at the specified position, then screw the mounting piece into the mounting groove 9, and use the mounting piece to limit and fix the base 1, then place the support rod 3 in the placement groove 201 in the support seat 2, and support the support rod 3 through the support seat 2 and the support frame 6, and support the transmission mechanism 5 through the support plate 4, then pass the helical antenna body 7 through the support frame 6 and into the transmission mechanism 5, and at the same time, the wires can be passed through several wire plates 8 on the outside of the support rod 3, and the guide holes 801 in the wire plates 8 guide the helical antenna body 7, and at the same time, the helical antenna body 7 can be protected to prevent the helical antenna body 7 from being worn by the corners of the wire plates 8, and the helical antenna body 7 can be limited by the limiting groove 10 and the limiting block 11. Compared with the existing helical antenna body, the utility model improves the overall practicality of the helical antenna body through design.

[0028] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A multi-arm helical antenna, characterized in that: The invention comprises a base (1), wherein a support seat (2) is provided on the top of the base (1), a support rod (3) is provided on the top of the support seat (2), a support plate (4) is provided on the top of the support rod (3), a transmission mechanism (5) is provided on the top of the support plate (4), two groups of support frames (6) are provided on the outside of the support rod (3) and between the support seat (2) and the transmission mechanism (5), four groups of helical antenna bodies (7) are provided between the base (1), the two groups of support frames (6) and the transmission mechanism (5), a plurality of wire plates (8) are fixedly connected on the outside of the support rod (3) and between the base (1), the two groups of support frames (6) and the transmission mechanism (5), a mounting groove (9) is provided inside the base (1) and on the front and rear sides and the left and right sides of the support rod (3), limiting grooves (10) are provided around the two groups of support frames (6), and limiting blocks (11) are provided on the outside of the two groups of support frames (6) and at positions corresponding to the limiting grooves (10).

2. A multi-arm helical antenna according to claim 1, characterized in that: A plurality of the wire plates (8) are provided with wire holes (801) inside, the insides of the plurality of the wire holes (801) are rounded, and the plurality of the wire plates (8) are designed to have a semicircular structure.

3. The multi-arm helical antenna according to claim 1, characterized in that: The four groups of mounting grooves (9) are each provided with mounting pieces inside, and the four groups of mounting pieces are connected to the four groups of mounting grooves (9) by threaded connection.

4. The multi-arm helical antenna according to claim 1, characterized in that: A plurality of the limiting grooves (10) are designed in a semicircular structure, and a plurality of the limiting blocks (11) are designed in a semicircular structure "Ω".

5. The multi-arm helical antenna according to claim 1, characterized in that: The transmission mechanism (5) comprises a connection plate (501), wherein the connection plate (501) is fixedly connected to the top of the support rod (3), a fixing ring (502) is provided on the top of the connection plate (501), a connection groove (503) is provided on the top of the fixing ring (502), and a connection bolt (504) is provided inside the connection groove (503).

6. The multi-arm helical antenna according to claim 5, characterized in that: Contact rods (505) are fixedly connected to the four sides of the outer side of the fixing ring (502), and contact sleeves (506) are fixedly connected to the bottoms of the four groups of contact rods (505). The four groups of contact rods (505) are designed in a cross-shaped structure on the outer side of the fixing ring (502).

7. The multi-arm helical antenna according to claim 1, characterized in that: Threading holes (601) are provided inside the two groups of support frames (6) at positions corresponding to the helical antenna body (7), and placement grooves (201) are provided on the top of the support base (2) at positions corresponding to the support rod (3).

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