A type of ultra-shortwave omnidirectional antenna

By using a bent tube vibrator structure and support frame design, the omnidirectional antenna is divided into symmetrical double cones. Combined with threaded connections and locking nuts for fixation, this solves the problem of excessive waste during packaging and transportation of omnidirectional antennas, achieving a compact structure. This addresses the issues of portability and ease of operation in existing technologies, improving both portability and ease of operation.

CN224458578UActive Publication Date: 2026-07-03CHENGDU ZHONGYA TONGMAO TECH
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
CHENGDU ZHONGYA TONGMAO TECH
Filing Date
2025-08-13
Publication Date
2026-07-03

AI Technical Summary

Technical Problem

Existing omnidirectional antennas suffer from significant waste during packaging and transportation, are bulky and heavy, lack mobility and flexibility, and are difficult to meet the requirements for miniaturization and lightweighting.

Method used

The antenna is divided into a symmetrical cage-shaped double cone design using a bent tube vibrator structure. Combined with a support frame and an adjustable telescopic rod, it achieves a compact storage structure and is fixed by threaded connection and locking nut, which enhances portability and ease of operation.

Benefits of technology

It achieves a compact antenna structure, which is easy to store, improves portability and operability, reduces packaging waste, and adapts to the flexible needs of mobile platforms.

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Patent Text Reader

Abstract

This utility model belongs to the field of antenna technology and relates to an ultra-shortwave omnidirectional antenna. The antenna includes an antenna body, an antenna mounting base, and a support frame. The antenna body includes a lower conical element assembly ring, a lower conical support rod, a lower conical element insertion ring, a matching cavity, an upper conical element insertion ring, an upper conical support rod, an upper conical element assembly ring, several lower bent tube elements, and several upper bent tube elements. The antenna mounting base is fixedly sleeved on one end of the lower conical support rod near the lower conical element assembly ring. An RF connector is provided on the antenna mounting base. This utility model uses a bent tube element structure, which visually divides the antenna into two symmetrical cage-like double cones at the matching cavity. Each cone contains several bent tube elements and a conical support rod. The antenna structure is compact, easy to store, and highly reliable. The antenna mounting base secures the antenna, offering advantages in portability and ease of operation.
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Description

Technical Field

[0001] This utility model belongs to the field of antenna technology, and specifically relates to an ultra-shortwave omnidirectional antenna. Background Technology

[0002] Omnidirectional antennas are widely used in various communication systems, with their main advantage being their portability and adaptability to high-speed mobile platforms with unpredictable speeds and trajectories, such as those mounted on vehicles, aircraft, and ships. In recent years, with the rapid development of communication technology, there has been a greater demand for miniaturized, lightweight, and portable omnidirectional antennas.

[0003] In the past, similar antennas were packaged and transported by putting the entire antenna into a bag or box, resulting in a lot of packaging waste. At the same time, the entire device was large and heavy, which was not conducive to storage and transportation and lacked mobility and flexibility. Utility Model Content

[0004] To solve the above-mentioned technical problems, this utility model provides an ultra-shortwave omnidirectional antenna, including an antenna body, an antenna mounting base, and a support frame;

[0005] The antenna body includes a lower conical vibrator assembly ring, a lower conical support rod, a lower conical vibrator insertion ring, a matching cavity, an upper conical vibrator insertion ring, an upper conical support rod, an upper conical vibrator assembly ring, several lower bent tube vibrators, and several upper bent tube vibrators;

[0006] The antenna mounting base is fixedly sleeved on one end of the lower cone support rod near the lower cone vibrator assembly ring; the antenna mounting base is equipped with an RF connector;

[0007] The lower conical oscillator assembly ring and the lower conical oscillator insertion ring are sleeved on the lower conical support rod; the upper conical oscillator insertion ring and the upper conical oscillator assembly ring are sleeved on the upper conical support rod;

[0008] Both the lower conical oscillator assembly ring and the lower conical oscillator insertion ring are provided with insertion holes for connecting to the lower bent tube oscillator; both the upper conical oscillator insertion ring and the upper conical oscillator assembly ring are provided with insertion holes for connecting to the upper bent tube oscillator; several lower bent tube oscillators are installed between the lower conical oscillator assembly ring and the lower conical oscillator insertion ring; several lower bent tube oscillators are installed between the upper conical oscillator insertion ring and the upper conical oscillator assembly ring;

[0009] The lower conical oscillator insertion ring is located at one end of the matching cavity, and the upper conical oscillator insertion ring is located at the other end of the matching cavity; a matching resistor is installed inside the matching cavity; the lower conical oscillator insertion ring is electrically connected to the upper conical oscillator insertion ring through the matching resistor.

[0010] Based on the above technical solution, the present invention can be further improved as follows.

[0011] Furthermore, a support frame is fixedly connected to the end of the antenna mounting base away from the lower conical vibrator assembly ring.

[0012] Furthermore, a lower support rod is provided between the bend of the lower curved tube oscillator and the lower conical support rod; an upper support rod is provided between the bend of the upper curved tube oscillator and the upper conical support rod.

[0013] Furthermore, the end connecting the lower curved tube vibrator to the lower conical vibrator assembly ring and the end connecting the upper curved tube vibrator to the upper conical vibrator assembly ring are crimp connectors; the end connecting the lower curved tube vibrator to the lower conical vibrator insertion ring and the end connecting the upper curved tube vibrator to the upper conical vibrator insertion ring are plug connectors; the outer side of the plug connector, the insertion hole of the upper conical vibrator insertion ring, and the insertion hole of the lower conical vibrator insertion ring are threaded structures; the plug connector of the lower curved tube vibrator is threadedly connected to the insertion hole of the lower conical vibrator insertion ring; the plug connector of the upper curved tube vibrator is threadedly connected to the insertion hole of the upper conical vibrator insertion ring.

[0014] Furthermore, the antenna mounting base has several side mounting holes on its side; the support frame includes several first support rods; one end of each first support rod passes through the side mounting hole.

[0015] Furthermore, the first support rod is an adjustable telescopic rod.

[0016] Furthermore, the antenna mounting base has a bottom mounting hole; the support frame includes several second support rods; one end of each second support rod passes through the bottom mounting hole.

[0017] Furthermore, a first annular metal plate is provided at the end of the second support rod connected to the lower conical support rod; a second annular metal plate is provided at the end of the lower conical support rod connected to the second support rod; both the first and second annular metal plates are provided with screw holes; bolts are provided in the screw holes; the first and second annular metal plates are connected by bolts.

[0018] Furthermore, a support base is provided at the end of the second support rod away from the lower cone support rod.

[0019] Furthermore, a first locking nut is fitted on the lower cone support rod and between the lower cone vibrator assembly ring and the antenna mounting base; a second locking nut is fitted on the upper cone support rod between the upper and lower cone vibrator insertion rings and the antenna mounting base.

[0020] The beneficial effects of this utility model are as follows: This utility model adopts a bent tube vibrator structure, which divides the antenna into two symmetrical cage-shaped double cones at the matching cavity. Each cone contains several bent tube vibrators and a cone support rod. The antenna structure is compact, easy to store, and highly reliable. The antenna is fixed by an antenna mounting base, which has the advantages of portability and ease of operation. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the structure of an ultra-shortwave omnidirectional antenna provided in Embodiment 1 of this utility model;

[0022] Figure 2 This is a schematic diagram of the antenna body.

[0023] Figure 3 A schematic diagram of the structure of a bent tube oscillator in one alternative implementation;

[0024] Figure 4 This is a schematic diagram of the support frame according to one optional implementation method;

[0025] Figure 5 This is a schematic diagram of the support frame according to one alternative implementation.

[0026] Icons: 1-Antenna body; 101-Lower conical vibrator assembly ring; 102-Lower conical support rod; 1021-First locking nut; 1022-Second locking nut; 103-Lower conical vibrator insertion ring; 104-Matching cavity; 1041-Matching resistor; 105-Upper conical vibrator insertion ring; 106-Upper conical support rod; 107-Upper conical vibrator assembly ring; 108-Lower bent tube vibrator; 109-Upper bent tube vibrator; 1081-Lower support rod; 1091-Upper support rod; 1010-Crimp connector; 1011-Plug connector; 1091-Upper support rod; 2-Antenna mounting base; 3-Support frame. Detailed Implementation

[0027] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. The components of the embodiments of this utility model described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.

[0028] As an example, see the attached document. Figure 1 As shown, in order to solve the above-mentioned technical problems, this embodiment provides an ultra-shortwave omnidirectional antenna, including an antenna body 1 and an antenna mounting base 2;

[0029] As attached Figure 2 As shown, the antenna body 1 includes a lower conical vibrator assembly ring 101, a lower conical support rod 102, a lower conical vibrator insertion ring 103, a matching cavity 104, an upper conical vibrator insertion ring 105, an upper conical support rod 106, an upper conical vibrator assembly ring 107, several lower bent tube vibrators 108, and several upper bent tube vibrators 109.

[0030] The antenna mounting base 2 is fixedly sleeved on one end of the lower cone support rod 102 near the lower cone vibrator collection ring 101; the antenna mounting base 2 is provided with an RF connector 110;

[0031] The lower cone oscillator collection ring 101 and the lower cone oscillator insertion ring 103 are sleeved on the lower cone support rod 102; the upper cone oscillator insertion ring 105 and the upper cone oscillator collection ring 107 are sleeved on the upper cone support rod 106;

[0032] Both the lower conical oscillator collection ring 101 and the lower conical oscillator insertion ring 103 are provided with insertion holes for connecting to the lower bent tube oscillator 108; both the upper conical oscillator insertion ring 105 and the upper conical oscillator collection ring 107 are provided with insertion holes for connecting to the upper bent tube oscillator 109; a plurality of lower bent tube oscillators 108 are installed between the lower conical oscillator collection ring 101 and the lower conical oscillator insertion ring 103; a plurality of lower bent tube oscillators 108 are installed between the upper conical oscillator insertion ring 105 and the upper conical oscillator collection ring 107;

[0033] The lower conical oscillator insertion ring 103 is disposed at one end of the matching cavity 104, and the upper conical oscillator insertion ring 105 is disposed at the other end of the matching cavity 104; a matching resistor 1041 is disposed inside the matching cavity 104; the lower conical oscillator insertion ring 103 is electrically connected to the upper conical oscillator insertion ring 105 through the matching resistor 1041.

[0034] This ultra-shortwave omnidirectional antenna employs a bent-tube dipole structure. Visually, the antenna is divided into two symmetrical cage-like bicones by a matching cavity. Each cone contains several bent-tube dipoles and a cone support rod. To ensure portability, reliability, and ease of operation, a unique and ingenious storage design is used, resulting in a compact and lightweight antenna structure.

[0035] Optionally, a support frame 3 is fixedly connected to one end of the antenna mounting base 2 away from the lower conical vibrator assembly ring 101.

[0036] Optional, as shown in the appendix Figure 2 As shown, a lower support rod 1081 is provided between the bend of the lower curved tube vibrator 108 and the lower conical support rod 102; an upper support rod 1091 is provided between the bend of the upper curved tube vibrator 109 and the upper conical support rod 106.

[0037] As an optional implementation method, as shown in the appendix Figure 3The schematic diagram of the bent tube vibrator shown indicates that the end connecting the lower bent tube vibrator to the lower conical vibrator assembly ring and the end connecting the upper bent tube vibrator to the upper conical vibrator assembly ring are crimp connectors 1010; the end connecting the lower bent tube vibrator to the lower conical vibrator insertion ring and the end connecting the upper bent tube vibrator to the upper conical vibrator insertion ring are plug connectors 1011; the outer side of the plug connectors, the insertion hole of the upper conical vibrator insertion ring, and the insertion hole of the lower conical vibrator insertion ring are threaded structures; the plug connector 1011 of the lower bent tube vibrator is threadedly connected to the insertion hole of the lower conical vibrator insertion ring; the plug connector 1011 of the upper bent tube vibrator is threadedly connected to the insertion hole of the upper conical vibrator insertion ring.

[0038] As an optional implementation method, as shown in the appendix Figure 4 As shown, the antenna mounting base 2 has several side mounting holes on its side; the support frame 3 includes several first support rods 301; one end of each first support rod 301 passes through the side mounting hole. (See attached image) Figure 4 In the middle, three first support rods 301 are connected to the side of the antenna mounting base 2, which play a role in stabilizing and fixing the antenna mounting base 2.

[0039] Optional, as shown in the appendix Figure 4 As shown, the first support rod 301 is an adjustable telescopic rod.

[0040] The antenna height can be adjusted by adjusting the length of each of the first support rods 301.

[0041] Optional, as shown in the appendix Figure 5 As shown, the bottom of the antenna mounting base 2 is provided with a bottom mounting hole; the support frame includes several second support rods 302; one end of the second support rod 302 passes through the bottom mounting hole.

[0042] Optional, as shown in the appendix Figure 5 As shown, a first annular metal plate is provided at one end of the second support rod 302 that is connected to the lower conical support rod 102; a second annular metal plate is provided at one end of the lower conical support rod 102 that is connected to the second support rod 302; both the first and second annular metal plates are provided with screw holes; bolts are provided in the screw holes; the first and second annular metal plates are connected by bolts.

[0043] Optional, as shown in the appendix Figure 5 As shown, a support base 3021 is provided at the end of the second support rod 302 away from the lower cone support rod 102.

[0044] Optional, as shown in the appendix Figure 2 As shown, a first locking nut is fitted on the lower cone support rod 102 and between the lower cone vibrator assembly ring 101 and the antenna mounting base 2; a second locking nut 1022 is fitted on the upper cone support rod 106 between the upper and lower cone vibrator insertion rings 105 and the antenna mounting base 2.

[0045] The above are merely preferred embodiments of this utility model and are not intended to limit the scope of this utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. An ultra-short wave omni-directional antenna, characterized by comprising: Includes antenna body (1) and antenna mounting base (2); The antenna body (1) includes a lower conical vibrator assembly ring (101), a lower conical support rod (102), a lower conical vibrator insertion ring (103), a matching cavity (104), an upper conical vibrator insertion ring (105), an upper conical support rod (106), an upper conical vibrator assembly ring (107), several lower bent tube vibrators (108), and several upper bent tube vibrators (109). The antenna mounting base (2) is fixedly sleeved on one end of the lower cone support rod (102) near the lower cone vibrator collection ring (101); the antenna mounting base (2) is provided with an RF connector (110); The lower cone oscillator collection ring (101) and the lower cone oscillator insertion ring (103) are sleeved on the lower cone support rod (102); the upper cone oscillator insertion ring (105) and the upper cone oscillator collection ring (107) are sleeved on the upper cone support rod (106); Both the lower conical oscillator collection ring (101) and the lower conical oscillator insertion ring (103) are provided with insertion holes for connecting to the lower bent tube oscillator (108); both the upper conical oscillator insertion ring (105) and the upper conical oscillator collection ring (107) are provided with insertion holes for connecting to the upper bent tube oscillator (109); a number of lower bent tube oscillators (108) are installed between the lower conical oscillator collection ring (101) and the lower conical oscillator insertion ring (103); a number of lower bent tube oscillators (108) are installed between the upper conical oscillator insertion ring (105) and the upper conical oscillator collection ring (107). The lower conical oscillator insertion ring (103) is located at one end of the matching cavity (104), and the upper conical oscillator insertion ring (105) is located at the other end of the matching cavity (104); a matching resistor (1041) is provided inside the matching cavity (104); the lower conical oscillator insertion ring (103) is electrically connected to the upper conical oscillator insertion ring (105) through the matching resistor (1041).

2. The ultra-short wave omni-directional antenna according to claim 1, wherein The antenna mounting base (2) is fixedly connected to a support frame (3) at the end away from the lower cone oscillator assembly ring (101).

3. The ultra-short wave omni-directional antenna according to claim 1, wherein A lower support rod (1081) is provided between the bend of the lower bent tube vibrator (108) and the lower cone support rod (102); an upper support rod (1091) is provided between the bend of the upper bent tube vibrator (109) and the upper cone support rod (106).

4. The ultra-short wave omni-directional antenna according to claim 1, wherein The end of the lower bent tube vibrator (108) connected to the lower conical vibrator assembly ring (101) and the end of the upper bent tube vibrator (109) connected to the upper conical vibrator assembly ring (107) are crimp connectors (1010); the end of the lower bent tube vibrator (108) connected to the lower conical vibrator insertion ring (103) and the end of the upper bent tube vibrator (109) connected to the upper conical vibrator insertion ring (105) are plug connectors (1011); the outer side of the plug connector (1011), the insertion hole of the upper conical vibrator insertion ring (105) and the insertion hole of the lower conical vibrator insertion ring (103) are threaded; the plug connector (1011) of the lower bent tube vibrator (108) is threadedly connected to the insertion hole of the lower conical vibrator insertion ring (103); the plug connector (1011) of the upper bent tube vibrator (109) is threadedly connected to the insertion hole of the upper conical vibrator insertion ring (105).

5. The ultra-short wave omni-directional antenna according to claim 2, wherein The antenna mounting base (2) has several side mounting holes on its side; the support frame (3) includes several first support rods (301); one end of each first support rod (301) passes through the side mounting hole.

6. The ultra-short wave omni-directional antenna according to claim 5, wherein The first support rod (301) is an adjustable telescopic rod.

7. The ultrashort wave omni-directional antenna according to claim 2, wherein The antenna mounting base (2) has a bottom mounting hole at the bottom; the support frame (3) includes several second support rods (302); one end of the second support rod (302) passes through the bottom mounting hole.

8. The ultrashort wave omni-directional antenna according to claim 7, wherein The second support rod (302) is connected to the lower cone support rod (102) at one end with a first annular metal plate; the lower cone support rod (102) is connected to the second support rod (302) at one end with a second annular metal plate; both the first annular metal plate and the second annular metal plate are provided with screw holes; bolts are provided in the screw holes; the first annular metal plate and the second annular metal plate are connected by bolts.

9. The ultrashort wave omni-directional antenna according to claim 7, wherein The second support rod (302) has a support base (3021) at the end away from the lower cone support rod (102).

10. The ultrashort wave omni-directional antenna according to claim 1, wherein A first locking nut (1021) is fitted on the lower cone support rod (102) and between the lower cone vibrator assembly ring (101) and the antenna mounting base (2); a second locking nut (1022) is fitted on the upper cone support rod (106) between the upper cone vibrator insertion ring (105) and the antenna mounting base (2).