A hand-held antenna structure

Abstract

This utility model provides a handheld antenna structure, including a supporting tube with several fixed ring plates on it. Side strips are distributed around the outer periphery of the fixed ring plates, and a radiation coil is disposed on the outer side of each side strip. Each side strip includes a connecting head section, a middle section, and a connecting tail section. The middle section is located between the connecting head section and the connecting tail section and includes a metal sheet and a connecting plate. The metal sheet is disposed on the outer side of the connecting plate. The beneficial effect is that by equidistantly distributing fixed ring plates on the supporting tube, and then setting side strips around the outer periphery of the fixed ring plates, and then sleeved with radiation coils on the outer side of the side strips, the device can be lightweight and miniaturized. Furthermore, the presence of the radiation coils can shorten the physical length of the antenna to a certain extent with minimal impact on its functionality. Compared with the prior art, this application has the advantages of overall miniaturization, light weight, and ease of integration.

Description

Technical Field

[0001] This utility model relates to the field of antenna equipment, and more particularly to a handheld antenna structure. Background Technology

[0002] As a type of handheld antenna device, handheld antennas are mainly used in civilian, military, and emergency rescue fields. They can be directly installed on handheld devices or operated by the user. Due to the limitations of the usage scenarios, their design needs to take into account factors such as size, weight, and portability.

[0003] In many situations, it is necessary to carry a mobile antenna, but existing antennas are often heavy, resulting in poor portability. Utility Model Content

[0004] (a) Technical problems to be solved

[0005] In view of the above-mentioned shortcomings and deficiencies of the prior art, the present invention provides a handheld antenna structure, which solves the technical problem that in many situations, it is necessary to carry a mobile antenna, but existing antennas are often heavy, resulting in poor portability.

[0006] (II) Technical Solution

[0007] The purpose of this utility model is to provide a handheld antenna structure, which includes a supporting long tube, on which a plurality of fixing ring plates are provided. Side strips are distributed on the outer periphery of the fixing ring plates. A radiation coil is provided on the outer side of the side strip. The side strip includes a connecting head section, a middle section and a connecting tail section. The middle section is located between the connecting head section and the connecting tail section. The middle section includes a metal sheet and a connecting plate. The metal sheet is located on the outer side of the connecting plate.

[0008] Preferably, the supporting tube is a hollow tube made of metal.

[0009] Preferably, the outer periphery of the fixing ring is provided with an installation notch, and the number of the installation notches is two or more.

[0010] Preferably, the fixing ring has a through hole in the middle, and wire holes are provided adjacent to the through hole. The number of wire holes is four and they are evenly distributed around the through hole.

[0011] Preferably, the number of intermediate segments is two or more.

[0012] Preferably, the metal sheet includes a contact portion, a snap-fit ​​portion, a snap-fit ​​notch, and an abutment portion. The contact portion extends outward from the snap-fit ​​portion, the abutment portion extends downward from the snap-fit ​​portion, and the snap-fit ​​notch is located adjacent to the abutment portion.

[0013] Preferably, the outer side of the contact portion is provided with an arc-shaped notch, and the number of the arc-shaped notches is two or more, wherein the contact portion is made of metal.

[0014] Preferably, the connecting plate includes a connecting end and an extension, the extension extending outward from one end of the connecting end.

[0015] (III) Beneficial Effects

[0016] By supporting the fixed ring plates evenly distributed on the long tube, and then setting the side strips on the outer periphery of the fixed ring plates, and then sleeve the radiation coils on the outside of the side strips, the physical length of the antenna can be shortened to a certain extent while minimizing the impact on the function of the device, thanks to the presence of the radiation coils. Compared with the prior art, this application has the advantages of overall miniaturization, light weight and easy integration. Attached Figure Description

[0017] The accompanying drawings are provided to further understand the technical solution of this utility model and constitute a part of the specification. They are used together with the embodiments of this utility model to explain the technical solution of this utility model, and do not constitute a limitation on the technical solution of this utility model.

[0018] Figure 1 This is a three-dimensional view of the overall structure of the handheld antenna;

[0019] Figure 2 This is a front view of the side strip of the handheld antenna structure;

[0020] Figure 3 It is a handheld antenna structure Figure 2 Enlarged view of point A in the image;

[0021] Figure 4 This is a three-dimensional structural diagram of the fixed ring plate of the handheld antenna structure;

[0022] Explanation of reference numerals in the attached figures:

[0023] 1. Supporting long tube; 2. Fixing ring; 21. Mounting notch; 22. Through hole; 23. Wire passage hole; 3. Side strip; 30. Connecting head section; 31. Connecting tail section; 32. Middle section; 33. Metal sheet; 34. Contact part; 35. Snap-fit ​​part; 36. Snap-fit ​​notch; 37. Abutment part; 38. Arc-shaped notch; 39. Connecting plate; 391. Connecting end; 392. Extension part; 4. Radiation coil. Detailed Implementation

[0024] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain this utility model and are not intended to limit this utility model.

[0025] The following is in conjunction with the appendix Figures 1 to 4 To further describe, this utility model discloses a handheld antenna structure, including a supporting tube 1. Several fixed ring plates 2 are evenly distributed on the supporting tube 1. Sheet-shaped side strips 3 are evenly distributed around the outer periphery of the fixed ring plates 2. The number of side strips 3 is two or more. In this embodiment, there are four side strips 3, evenly distributed around the outer periphery of the fixed ring plates 2. Two or more annular radiation coils 4 are sleeved on the outer side of each side strip 3. Each side strip 3 includes a connecting head section 30, a middle section 32, and a connecting tail section 31, which are fixed by adhesive or welding. The middle section 32 is located between the connecting head section 30 and the connecting tail section 31. The middle section 32 has two or more components, each including a metal sheet 33 and a connecting plate 39. The metal sheet 33 is located on the outer side of the connecting plate 39. The metal sheet 33 is mounted on the fixed ring plates 2 and fixed by snapping or welding with the radiation coils 4 to form an oscillator. The oscillators are connected in parallel.

[0026] In a preferred embodiment, the supporting tube 1 is a hollow tube made of brass.

[0027] In a preferred embodiment, the outer periphery of the fixing ring 2 is provided with an installation notch 21, and the number of installation notches 21 is two or more. In this embodiment, the installation notch 21 is used to place and fix the side strip 3. In addition, the contact between the two can be made more secure by adhesive bonding. The fixing ring 2 is made of brass and its diameter is 15mm to 20mm. In this embodiment, the diameter of the fixing ring 2 is 18mm.

[0028] In a preferred embodiment, the fixing ring 2 has a through hole 22 in the middle, and wire holes 23 are provided adjacent to the through hole 22. There are four wire holes 23, which are evenly distributed around the through hole 22. During installation, multiple cables (not shown) pass through the wire holes 23 and are connected to the corresponding antenna elements by welding.

[0029] In a preferred embodiment, the number of intermediate segments 32 is two or more, and can be increased as needed to extend the length of the antenna.

[0030] In a preferred embodiment, the metal sheet 33 is made of brass and includes a contact portion 34, a snap-fit ​​portion 35, a snap-fit ​​notch 36, and an abutment portion 37. The contact portion 34 extends outward from the snap-fit ​​portion 35, and the abutment portion 37 extends downward from the snap-fit ​​portion 35. The snap-fit ​​notch 36 is located adjacent to the abutment portion 37 and is used to fit the mounting notch 21 of the fixing ring piece 2 to install and fix the side strip 3.

[0031] In a preferred embodiment, an arc-shaped notch 38 is provided on the outer side of the contact portion 34, and the number of arc-shaped notches 38 is two or more.

[0032] In a preferred embodiment, the connecting plate 39 includes a connecting end 391 and an extension 392, the extension 392 extending outward from one end of the connecting end 391, wherein the material of the connecting plate 39 is FR-4.

[0033] By supporting the fixed ring plates evenly distributed on the long tube, and then setting the side strips on the outer periphery of the fixed ring plates, and then sleeve the radiation coils on the outside of the side strips, the physical length of the antenna can be shortened to a certain extent while minimizing the impact on the functionality of the device, thanks to the presence of the radiation coils. In this embodiment, the antenna structure is 250mm to 550mm. Compared with the prior art, this application has the advantages of overall miniaturization, light weight and easy integration.

[0034] Although embodiments of the present invention have been shown above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention. Those skilled in the art can make modifications and variations to the above embodiments, but such modifications are all included within the broad scope of the foregoing disclosure, drawings and claims.

Claims

1. A hand-held antenna structure comprising a support elongate tube, characterised in that: The supporting tube is provided with a number of fixing rings, and side strips are distributed on the outer periphery of the fixing rings. Radiation coils are provided on the outer side of the side strips. The side strips include a connecting head section, a middle section and a connecting tail section. The middle section is located between the connecting head section and the connecting tail section. The middle section includes a metal sheet and a connecting plate. The metal sheet is located on the outer side of the connecting plate.

2. The hand-held antenna structure of claim 1, wherein: The supporting tube is a hollow tube made of metal.

3. The hand-held antenna structure of claim 1, wherein: The outer periphery of the fixing ring is provided with an installation notch, and the number of the installation notches is two or more.

4. The hand-held antenna structure of claim 1, wherein: The fixing ring has a through hole in the middle, and there are four wire holes adjacent to the through hole, which are evenly distributed around the through hole.

5. The hand-held antenna structure of claim 1, wherein: The number of intermediate segments is two or more.

6. The hand-held antenna structure of claim 1, wherein: The metal sheet includes a contact portion, a snap-fit ​​portion, a snap-fit ​​notch, and an abutment portion. The contact portion extends outward from the snap-fit ​​portion, the abutment portion extends downward from the snap-fit ​​portion, and the snap-fit ​​notch is located adjacent to the abutment portion.

7. The hand-held antenna structure of claim 6, wherein: The outer side of the contact portion is provided with an arc-shaped notch, and there are two or more arc-shaped notches. The contact portion is made of metal.

8. The hand-held antenna structure of claim 1, wherein: The connecting plate includes a connecting end and an extension, the extension extending outward from one end of the connecting end.

Images