Automobile antenna

Abstract

The utility model relates to an automobile antenna, which is provided with a plastic main body and an antenna oscillator, the antenna oscillator is a conductor formed by punching a sheet base material, and the antenna oscillator extends along a first direction and is bent into a semi-enclosed form around the first direction, so that the antenna oscillator is provided with a first inner side surface and a first outer side surface; the first inner side surface of the antenna oscillator is attached to the tongue piece and is injection-molded with the plastic main body through the tongue piece; the first outer side face of the antenna oscillator is exposed out of the tongue piece, and the first outer side face is partially hollowed out to obtain a strip-shaped signal part. According to the automobile antenna provided by the utility model, the antenna oscillator can be stably fixed on the plastic main body, the quality requirements that the inner side of the plastic main body is not provided with holes and the like are met, and the antenna oscillator is firm in attachment, not easy to loosen, small in product size, suitable for integration, convenient to manufacture and rich in function, and can meet the use requirements of modern automobiles.

Description

Technical Field

[0001] The utility model relates to the technical field of electronic products, in particular to a car antenna. Background Art

[0002] The car antenna is mainly a device that intercepts the high-frequency radio waves emitted by the transmitter and transmits them to the receiver of the car radio, car phone or radio navigation equipment to demodulate the carrier.

[0003] With the development of science and technology, 5G signals are becoming more and more common in my country, and with the development of intelligent networking of automobiles, automobile antennas are also gradually moving towards diversified styles and integrated functions as the demand for vehicle-mounted systems increases. However, smart antennas with 5G functions, satellite navigation and GPS positioning functions are still in their infancy. Existing antennas often have single functions and cannot meet the needs of modern automobiles. Some automobile antennas with 5G functions are often large in size, with relatively insufficient structural and integration, which brings more challenges to the design of antennas and antenna circuits and requires further improvement. Summary of the invention

[0004] The purpose of the utility model is to provide a car antenna, especially a car antenna with 5G function, which optimizes the product structure and facilitates production and use.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A car antenna comprises a plastic body and an antenna vibrator, wherein the antenna vibrator is a conductor formed by stamping a thin sheet substrate, the antenna vibrator extends along a first direction and is bent around the first direction into a semi-enclosed shape, so that the antenna vibrator has a first inner side surface and a first outer side surface; the first inner side surface of the antenna vibrator is attached to a tongue piece and is injection molded together with the plastic body through the tongue piece; the first outer side surface of the antenna vibrator is exposed from the tongue piece, and the first outer side surface is partially hollowed out to obtain a strip-shaped signal portion.

[0007] The above scheme is further that the tongue piece is an injection molded part, the shape of the tongue piece matches the bending shape of the antenna vibrator, the tongue piece is compounded with the antenna vibrator through injection molding, and the antenna vibrator is provided with a retaining foot, the retaining foot protrudes inward from the first inner side surface and is buried in the tongue piece; the second outer side surface of the tongue piece is partially exposed from the hollow area of ​​the first outer side surface, and the second inner side surface of the tongue piece is provided with an inwardly protruding inverted hook, which is buried in the plastic body.

[0008] The above scheme is further that the portion of the second outer side surface of the tongue exposed from the hollow area of ​​the first outer side surface is flush with the first outer side surface, and the second outer side surface of the tongue is provided with a rib groove embedded in the signal part of the adaptive antenna vibrator, and some retaining feet are distributed on the side of the signal part.

[0009] The above scheme is further that the antenna element is also provided with a welding foot bent out from the tongue piece, and part of the retaining feet are distributed at the root of the welding foot.

[0010] The above solution is further that the tongue piece is further provided with a filling hole penetrating the second outer side surface and the second inner side surface, and a part of the plastic body fills the filling hole.

[0011] By adopting the above structure, the automobile antenna provided by the utility model can have an antenna vibrator stably fixed on the plastic body, meeting quality requirements such as no openings on the inner side of the plastic body, and the antenna vibrator is firmly attached and not easy to loosen. The product is small in size, suitable for integration, easy to manufacture, and rich in functions, which can meet the use requirements of modern automobiles. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Attached Figure 1 This is a schematic diagram of the structure of a preferred embodiment of the utility model;

[0013] Attached Figure 2 for Figure 1 Schematic diagram of structural decomposition;

[0014] Attached Figure 3 for Figure 1 Schematic diagram of tongue structure;

[0015] Attached Figure 4 for Figure 1 Schematic diagram of the antenna vibrator forming structure;

[0016] Attached Figure 5 It is a schematic diagram of the combined structure of the antenna vibrator and the tongue piece of the utility model. DETAILED DESCRIPTION

[0017] The concept, specific structure and technical effects of the utility model will be further described below in conjunction with the accompanying drawings to fully understand the purpose, characteristics and effects of the utility model.

[0018] It should be noted that in the description of the present invention, the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicating directions or positional relationships are based on the directions or positional relationships shown in the drawings, which are only for the convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0019] See also Figure 1 , 2, 3, 4, and 5 are schematic diagrams of preferred embodiments of the present utility model. The present utility model is related to a car antenna, especially a car antenna with 5G function, which meets the use requirements of modern cars. The car antenna has a plastic body 1 and an antenna vibrator 2. The antenna vibrator 2 is a conductor formed by stamping a thin sheet substrate 3. The antenna vibrator 2 extends along a first direction and is bent around the first direction into a semi-enclosed shape, so that the antenna vibrator 2 has a first inner side 21 and a first outer side 22; the first inner side 21 of the antenna vibrator 2 is attached to the tongue 4, and is injection molded together with the plastic body 1 through the tongue 4, so that the antenna vibrator 2 is stabilized on the plastic body 1. The first outer side 22 of the antenna vibrator 2 is exposed from the tongue 4, and the first outer side 22 is partially hollowed out to obtain a strip-shaped signal part 23, and the signal part 23 is used to receive and feedback the high-frequency radio waves emitted by the corresponding transmitter.

[0020] In this embodiment, the tongue piece 4 is an injection molded part, and the shape of the tongue piece 4 matches the bending shape of the antenna vibrator 2. The tongue piece 4 is compounded with the antenna vibrator 2 by injection molding. During production, the molded antenna vibrator 2 and the tongue piece 4 are first injection molded (molding), and then injection molded together with the plastic body 1. The tongue piece 4 provides support to facilitate the positioning and molding of the antenna vibrator 2, so that the antenna vibrator 2 is fixed on the plastic body 1 to form an integral body, and at the same time, the quality requirement that the plastic body 1 has no openings can be met.

[0021] In this embodiment, a retaining foot 24 is further provided on the antenna vibrator 2, and the retaining foot 24 protrudes inward from the first inner side surface 21 and is embedded in the tongue piece 4, thereby increasing the bonding force between the antenna vibrator 2 and the tongue piece 4; a portion of the second outer side surface of the tongue piece 4 is exposed from the hollow area of ​​the first outer side surface 22, thereby further positioning and fixing the antenna vibrator 2; and an inwardly convex inverted hook 41 is provided on the second inner side surface of the tongue piece 4, and the inverted hook 41 is embedded in the plastic body 1, thereby improving the structural connection between the tongue piece 4 and the plastic body 1.

[0022] In this embodiment, the portion of the second outer side surface of the tongue piece 4 exposed from the hollow area of ​​the first outer side surface 22 is flush with the first outer side surface 22. At this time, the second outer side surface of the tongue piece 4 is provided with a rib groove 42 adapted to the embedded signal portion 23 of the antenna vibrator 2, and part of the retaining legs 24 are distributed on the side of the signal portion 23, thereby maintaining the flatness and structural stability of the product surface and ensuring the working effectiveness of the antenna vibrator 2. The tongue piece 4 is also provided with a filling hole 43 that passes through the second outer side surface and the second inner side surface, and part of the plastic body 1 is filled with the filling hole 43. The filling hole 43 is used to assist in positioning the antenna vibrator 2 during molding and injection of glue to enhance the connection between the tongue piece 4 and the plastic body 1 during molding.

[0023] In this embodiment, the antenna element 2 is also provided with a welding foot 25 bent out from the tongue piece 4, and the welding foot 25 is used to be welded to the corresponding circuit to realize signal feedback transmission of the antenna element 2; some of the retaining feet 24 of this embodiment are also distributed at the root of the welding foot 25, so as to increase the structural properties of the welding foot 25 and obtain better tensile and shock resistance.

[0024] The automobile antenna provided by the utility model has an antenna vibrator that can be stably fixed on a plastic body, meeting quality requirements such as no openings on the inner side of the plastic body, and the antenna vibrator is firmly attached and not easy to get loose. The product is small in size, suitable for integration, easy to manufacture, and rich in functions, and can meet the use requirements of modern automobiles.

[0025] Although the preferred specific embodiments of the present invention are described above in conjunction with the accompanying drawings, the present invention should not be limited to the structures and operations that are exactly the same as the above description and the accompanying drawings. For those skilled in the art, many equivalent improvements and changes can be made to the above embodiments through logical analysis, reasoning or limited experiments without exceeding the concept and scope of the present invention, but these improvements and changes should all fall within the scope of protection required by the present invention.

Claims

1. A car antenna, characterized in that: The invention comprises a plastic body (1) and an antenna vibrator (2), wherein the antenna vibrator (2) is a conductive body formed by stamping a thin sheet substrate (3), and the antenna vibrator (2) extends along a first direction and is bent around the first direction into a semi-enclosed shape, so that the antenna vibrator (2) has a first inner side surface (21) and a first outer side surface (22); the first inner side surface (21) of the antenna vibrator (2) is attached to a tongue piece (4) and is injection-molded together with the plastic body (1) through the tongue piece (4); the first outer side surface (22) of the antenna vibrator (2) is exposed from the tongue piece (4), and a strip-shaped signal portion (23) is obtained by partially hollowing out the first outer side surface (22).

2. The car antenna according to claim 1, characterized in that: The tongue piece (4) is an injection molded part. The shape of the tongue piece (4) matches the bent shape of the antenna vibrator (2). The tongue piece (4) is compounded with the antenna vibrator (2) by injection molding. The antenna vibrator (2) is provided with a retaining foot (24). The retaining foot (24) protrudes inward from the first inner side surface (21) and is embedded in the tongue piece (4). A portion of the second outer side surface of the tongue piece (4) is exposed from the hollow area of ​​the first outer side surface (22). An inwardly protruding undercut hook (41) is provided on the second inner side surface of the tongue piece (4). The undercut hook (41) is embedded in the plastic body (1).

3. The car antenna according to claim 2, characterized in that: The portion of the second outer side surface of the tongue piece (4) exposed from the hollowed-out area of ​​the first outer side surface (22) is flush with the first outer side surface (22); a rib groove (42) is provided on the second outer side surface of the tongue piece (4) for embedding a signal portion (23) of the adaptor antenna vibrator (2); and a portion of the retaining legs (24) is distributed on the side of the signal portion (23).

4. The car antenna according to claim 2, characterized in that: The antenna vibrator (2) is also provided with a welding foot (25) bent out from the tongue piece (4), and part of the retaining foot (24) is distributed at the root of the welding foot (25).

5. The car antenna according to claim 2, characterized in that: The tongue piece (4) is also provided with a filling hole (43) penetrating the second outer side surface and the second inner side surface, and a part of the plastic position of the plastic body (1) fills the filling hole (43).

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