A rod-type shark fin car antenna

Abstract

This utility model provides a rod-type shark fin automotive antenna, relating to the field of automotive antenna technology. It includes: a base housing, which is a shark fin-shaped housing, with an internal accommodating space containing a circuit board. A dielectric antenna is connected to the circuit board for receiving GPS, BDS, and GLONASS signals; and a rod antenna, positioned on top of the base housing and connected to the circuit board, for receiving AM, FM, and DAB signals. This invention addresses the problem that current rod antennas cannot meet the functional requirements of new vehicle models.

Description

Technical Field

[0001] This utility model belongs to the field of automotive antenna technology, and more specifically, relates to a rod-type shark fin automotive antenna. Background Technology

[0002] With the rapid development of the automotive industry and the emergence of various car models, the demand for automotive antennas has also diversified. Rod antennas typically receive AM, FM, and DAB signals to meet the needs of car audio broadcasting and digital audio broadcasting signals. However, based on market demand, the signal reception function of rod antennas is no longer sufficient for current new car models. The requirements for in-vehicle navigation and positioning functions are forcing rod antennas to undergo technological improvements to achieve the reception and transmission of GPS, BDS, and GLONASS signals. Utility Model Content

[0003] The purpose of this invention is to provide a rod-type shark fin automotive antenna to solve the problem that current rod antennas cannot meet the functional requirements of new car models.

[0004] To achieve the above objectives, this utility model provides a rod-type shark fin automotive antenna, comprising:

[0005] The base housing is a shark fin-shaped housing. The interior of the base housing forms a receiving space. A circuit board is installed in the receiving space. A dielectric antenna is connected to the circuit board. The dielectric antenna is used to receive GPS, BDS, and GLONASS signals.

[0006] A rod antenna is disposed on the top of the base housing and connected to the circuit board. The rod antenna is used to receive AM, FM, and DAB signals.

[0007] Optionally, the lower end of the rod antenna is connected to the base housing via a connecting assembly, the connecting assembly comprising:

[0008] A rotating shaft, one end of which is connected to the base housing, and the rotating shaft is a hollow structure;

[0009] A limiting plate is connected to the other end of the rotating shaft, and the limiting plate has multiple limiting grooves.

[0010] A shaft housing, which is rotatably sleeved on the outside of the rotating shaft;

[0011] A connecting plate is connected to the shaft housing, and a limiting protrusion is provided on the side of the connecting plate near the limiting plate to engage with the limiting groove.

[0012] An elastic member, which passes through the interior of the rotating shaft, is used to apply an elastic force toward the connecting plate to the limiting plate.

[0013] Optionally, a first key protruding outward is provided on the outer periphery of one end of the rotating shaft, and the first key is inserted entirely into the first keyway on the base housing.

[0014] Optionally, a second key with an outward protrusion is provided on the outer periphery of one end of the rotating shaft. One end of the second key is inserted into a first keyway on the base housing, and the other end of the second key is inserted into a second keyway at one end of the shaft housing.

[0015] Optionally, the limiting groove is a circular hole, and the limiting protrusion is an arc-shaped protrusion.

[0016] Optionally, the elastic component is a compression spring, with both ends of the compression spring abutting against the limiting plate and the base housing respectively, and in a pre-compressed state.

[0017] Optionally, the limiting plate is integrally injection molded to the rotating shaft, and the connecting plate is integrally injection molded to the shaft housing.

[0018] Optionally, the lower end of the rod antenna is inserted into the housing.

[0019] Optionally, the top of the base housing is provided with a groove, and the lower end of the rod antenna is disposed in the groove.

[0020] Optionally, the base housing includes an outer shell and a base, the circuit board is disposed on the upper side of the base, the circuit board is connected to a cable, the cable passes through the base and is connected to a connector, and the base is provided with a mounting assembly that can be mounted on the roof of a vehicle.

[0021] This utility model provides a rod-type shark fin car antenna, the advantages of which are: the base housing of the rod-type shark fin car antenna adopts a shark fin-shaped housing, forming a space inside the base housing to accommodate the circuit board and the dielectric antenna. The rod antenna is set on the top of the base housing. While receiving AM, FM, and DAB signals through the rod antenna, it can also receive GPS, BDS, and GLONASS signals through the dielectric antenna, meeting the antenna shape and rich functional requirements of new car models. Both the rod antenna and the dielectric antenna are connected to the circuit board, facilitating the transmission of AM, FM, DAB, GPS, BDS, and GLONASS signals through cables.

[0022] Other features and advantages of this invention will be described in detail in the following detailed description section. Attached Figure Description

[0023] The above and other objects, features and advantages of the present invention will become more apparent from the accompanying drawings, in which like reference numerals generally represent like parts.

[0024] Figure 1 A schematic diagram of the external structure of a rod-type shark fin automotive antenna according to an embodiment of the present invention is shown.

[0025] Figure 2 An exploded view of the internal structure of a rod-type shark fin automotive antenna according to an embodiment of the present invention is shown.

[0026] Figure 3 A schematic diagram showing the limiting state of a connection assembly of a rod-type shark fin automotive antenna according to an embodiment of the present invention is shown.

[0027] Figure 4 A schematic diagram showing the rotational state of the connection assembly of a rod-type shark fin automotive antenna according to an embodiment of the present invention is shown.

[0028] Figure 5 A schematic diagram of the rotating shaft portion of a connecting assembly for a rod-type shark fin automotive antenna according to an embodiment of the present invention is shown.

[0029] Figure 6 The diagram shows a schematic of the mating structure between the shaft and the housing of a connecting assembly for a rod-type shark fin automotive antenna according to an embodiment of the present invention.

[0030] Figure 7 A schematic diagram of the pivot portion of the connecting assembly of a rod-type shark fin automotive antenna according to another embodiment of the present invention is shown.

[0031] Figure 8 A schematic diagram of the mating structure of the shaft and housing of the connecting assembly of a rod-type shark fin automotive antenna according to another embodiment of the present invention is shown.

[0032] Explanation of reference numerals in the attached figures:

[0033] 1. Dielectric antenna; 2. Rod antenna; 3. Shaft; 4. Limiting plate; 5. Limiting groove; 6. Shaft housing; 7. Connecting plate; 8. Limiting protrusion; 9. Elastic component; 10. Connector; 11. Conductive connecting piece; 12. Signal spring; 13. Rubber washer; 14. Connecting end; 15. Conductive clamp; 16. Connecting shaft; 17. First sealing cap; 18. Threaded part; 19. Flat washer; 20. Nut; 21. Second sealing cap; 22. First key; 23. Second key; 24. Groove; 25. Housing; 26. Base; 27. Cable; 28. Connector; 29. ​​Mounting assembly; 30. First circuit board; 31. Second circuit board; 32. Shielding frame. Detailed Implementation

[0034] Preferred embodiments of the present invention will now be described in more detail. While preferred embodiments of the present invention are described below, it should be understood that the present invention can be implemented in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided to make the present invention more thorough and complete, and to fully convey the scope of the present invention to those skilled in the art.

[0035] like Figure 1 and Figure 2 As shown, this utility model provides a rod-type shark fin automotive antenna, comprising:

[0036] The base housing is a shark fin-shaped housing. The interior of the base housing forms a receiving space, and a circuit board is installed in the receiving space. A dielectric antenna 1 is connected to the circuit board. The dielectric antenna 1 is used to receive GPS, BDS, and GLONASS signals.

[0037] The rod antenna 2 is located on the top of the base housing and is connected to the circuit board. The rod antenna 2 is used to receive AM, FM, and DAB signals.

[0038] Specifically, to address the issue that the current rod antenna 2 cannot meet the functional requirements of new car models, the rod shark fin car antenna provided by this utility model adopts a shark fin-shaped housing as its base shell. Inside the base shell, a space is formed to accommodate the circuit board and the dielectric antenna 1. The rod antenna 2 is positioned at the top of the base shell. While receiving AM, FM, and DAB signals through the rod antenna 2, it can also receive GPS, BDS, and GLONASS signals through the dielectric antenna 1, thus meeting the antenna shape and rich functional requirements of new car models. Both the rod antenna 2 and the dielectric antenna 1 are connected to the circuit board, facilitating the transmission of AM, FM, DAB, GPS, BDS, and GLONASS signals via cable 27.

[0039] Optionally, the lower end of the rod antenna 2 is connected to the base housing via a connecting assembly, which includes:

[0040] Rotating shaft 3, one end of which is connected to the base shell, and rotating shaft 3 is a hollow structure;

[0041] Limiting plate 4 is connected to the other end of rotating shaft 3, and the limiting plate 4 has multiple limiting grooves 5;

[0042] Shaft housing 6 is rotatably sleeved on the outside of rotating shaft 3;

[0043] Connecting plate 7 is connected to shaft housing 6. A limiting protrusion 8 that is embedded in the limiting groove 5 is provided on the side of connecting plate 7 near the limiting plate 4.

[0044] The elastic component 9 is inserted inside the rotating shaft 3 and is used to apply an elastic force toward the connecting plate 7 to the limiting plate 4.

[0045] Specifically, the rotating shaft 3 connects the base housing and the limiting plate 4. Under the elastic force of the elastic component 9, it can only move axially and does not rotate relative to the base housing. The shaft housing 6 is rotatably sleeved on the outside of the rotating shaft 3, which can drive the connecting plate 7 to rotate relative to the rotating shaft 3 and connect to the rod antenna 2, such as... Figure 3 As shown, when the limiting protrusion 8 is embedded in the limiting groove 5, it achieves the limiting of the connecting plate 7 and the shaft housing 6, as follows. Figure 4 As shown, when the rod antenna 2 rotates, the shaft housing 6 and the connecting plate 7 rotate relative to the limiting plate 4, overcoming the elastic force of the elastic component 9. However, the setting of the elastic component 9 enables the changing of the rotation gear of the rod antenna 2, such as achieving two 60-degree rotations within 180 degrees.

[0046] Furthermore, the lower end of the rod antenna 2 is electrically connected to the connecting plate 7 via the connector 10. To enable signal transmission from the rod antenna 2 to the circuit board, a conductive connecting piece 11 is embedded in the base housing at the other end of the rotating shaft 3. A signal spring 12 is provided on one side of the conductive connecting piece 11, and is electrically connected to one side of the connecting piece through the signal spring 12. A rubber gasket 13 is also provided on the outer periphery of the signal spring 12 between the conductive connecting piece 11 and the connecting plate 7. A Z-shaped connecting end 14 is integrally formed at the lower end of the conductive connecting piece 11, and the connecting end 14 is electrically connected to the conductive clip 15 on the circuit board. Simultaneously, to achieve the connection group... The connection between the component and the base housing is further provided by a connecting shaft 16. One end of the connecting shaft 16 is provided with a first sealing cap 17, and the other end of the connecting shaft 16 is provided with a threaded part 18. The connecting shaft 16 passes through the elastic component 9, the rotating shaft 3, the limiting plate 4, the connecting plate 7, the signal spring 12, the conductive connecting piece 11, and the flat washer 19, and is connected to the nut 20 through the threaded part 18. A hole is provided on each side of the base housing 25. The first sealing cap 17 is placed in one of the holes, and the second sealing cap 21 is placed in the other hole. The outer shape of the first sealing cap 17 and the second sealing cap 21 is set to conform to the shape of the base housing 25.

[0047] In one embodiment, a first key 22 protruding outward is provided on the outer periphery of one end of the rotating shaft 3, and the first key 22 is inserted into the first key 22 groove on the base housing.

[0048] Specifically, such as Figure 5 and Figure 6 As shown, the connecting component can be configured as a rotatable rod antenna 2. The end of the rotating shaft 3 is slidably connected to the first key 22 slot on the base housing via the first key 22. The first key 22 is always in the first key 22 slot and does not contact the shaft housing 6.

[0049] In another embodiment, a second key 23 protruding outward is provided on the outer periphery of one end of the rotating shaft 3. One end of the second key 23 is inserted into the groove of the first key 22 on the base housing, and the other end of the second key 23 is inserted into the groove of the second key 23 at one end of the shaft housing 6.

[0050] Specifically, such as Figure 7 and Figure 8As shown, the connecting component can also be configured as a non-rotatable rod antenna 2. The end of the rotating shaft 3 is slidably connected to the slot of the first key 22 on the base housing via the second key 23. At the same time, the second key 23 is also slidably connected to the slot of the second key 23 in the shaft housing 6. The length of the second key 23 is greater than that of the first key 22. The rotating shaft 3 is connected not only to the base housing but also to the shaft housing 6. The shaft housing 6 and the rod antenna 2 cannot rotate, forming a fixed design. This design of the second key 23 allows for the switching of two connection methods for the rod antenna 2 by changing only one component, namely the length of the first key 22 on the rotating shaft 3 to form the second key 23. The connection methods of the rod antenna 2 are divided into two types: one is fixed at an angle of about 60 degrees to the top of the base housing with respect to the horizontal plane, and the other can achieve two 60-degree rotation angles within 180 degrees, meeting market demands. This is of great significance for the universal design of automobile manufacturers.

[0051] Optionally, the limiting groove 5 is a round hole, and the limiting protrusion 8 is an arc-shaped protrusion.

[0052] Specifically, the limiting groove 5 can be opened by drilling holes in the limiting plate 4, and the limiting protrusion 8 can be formed into a hemispherical protrusion structure on the connecting plate 7 by stamping.

[0053] Optionally, the elastic component 9 is a compression spring, with both ends of the compression spring abutting against the limiting plate 4 and the base housing respectively, and in a pre-compressed state.

[0054] Specifically, the elastic component 9 can be a pre-compressed spring, which uses its elastic force to push against the limiting plate 4, making it tightly adhere to the connecting plate 7.

[0055] Optionally, the limiting plate 4 is integrally injection molded with the rotating shaft 3, and the connecting plate 7 is integrally injection molded with the shaft housing 6.

[0056] Specifically, the limiting plate 4 and the rotating shaft 3 are injection molded together, and the connecting plate 7 and the shaft housing 6 are injection molded together.

[0057] Optionally, the lower end of the rod antenna 2 is inserted into the housing 6.

[0058] Specifically, the lower end of the rod antenna 2 is inserted into the shaft housing 6 and connected to the connecting plate 7.

[0059] Optionally, a groove 24 is provided on the top of the base housing, and the lower end of the rod antenna 2 is disposed in the groove 24.

[0060] Specifically, the lower end of the rod antenna 2 is connected to the connecting component, which is located within the groove 24 and can rotate within the groove 24.

[0061] Optionally, the base housing includes an outer shell 25 and a base 26, a circuit board is disposed on the upper side of the base 26, the circuit board is connected to a cable 27, the cable 27 passes through the base 26 and is connected to a connector 28, and the base 26 is provided with a mounting assembly 29 that can be mounted on the roof of a vehicle.

[0062] Specifically, the base 26 can be mounted on the roof of the car via the mounting assembly 29, and the cable 27 connected to the circuit board passes through the base 26 and enters the car interior, connecting to the car interior components via the connector 28.

[0063] In this embodiment, connector 28 is a FAKRA connector.

[0064] In this embodiment, the circuit board includes a first circuit board 30 and a second circuit board 31. The dielectric antenna 1 is disposed on the first circuit board 30. A shielding frame 32 is disposed on the lower side of the first circuit board 30. The conductive clip 15 is disposed on the second circuit board 31. The rod antenna 2 is connected to the second circuit board 31.

[0065] The various embodiments of the present invention have been described above. These descriptions are exemplary and not exhaustive, nor are they limited to the disclosed embodiments. Many modifications and variations will be apparent to those skilled in the art without departing from the scope and spirit of the described embodiments.

Claims

1. A rod shark fin automobile antenna characterized by, include: The base housing is a shark fin-shaped housing. The interior of the base housing forms an accommodating space. A circuit board is installed in the accommodating space. A dielectric antenna is connected to the circuit board. The dielectric antenna is used to receive GPS, BDS, and GLONASS signals. A rod antenna is disposed on the top of the base housing and connected to the circuit board. The rod antenna is used to receive AM, FM, and DAB signals.

2. The rod shark fin automotive antenna according to claim 1, characterized in that, The lower end of the rod antenna is connected to the base housing via a connecting assembly, the connecting assembly comprising: A rotating shaft, one end of which is connected to the base housing, and the rotating shaft is a hollow structure; A limiting plate is connected to the other end of the rotating shaft, and the limiting plate has multiple limiting grooves. A shaft housing, which is rotatably sleeved on the outside of the rotating shaft; A connecting plate is connected to the shaft housing, and a limiting protrusion is provided on the side of the connecting plate near the limiting plate to engage with the limiting groove. An elastic member, which passes through the interior of the rotating shaft, is used to apply an elastic force toward the connecting plate to the limiting plate.

3. The rod shark fin automotive antenna according to claim 2, characterized in that, One end of the rotating shaft is provided with an outwardly protruding first key, which is inserted entirely into the first keyway on the base housing.

4. The rod shark fin automotive antenna according to claim 2, wherein, A second key with an outward protrusion is provided on the outer periphery of one end of the rotating shaft. One end of the second key is inserted into the first keyway on the base housing, and the other end of the second key is inserted into the second keyway at one end of the shaft housing.

5. The rod shark fin automotive antenna according to claim 2, wherein, The limiting groove is a circular hole, and the limiting protrusion is an arc-shaped protrusion.

6. The rod shark fin automotive antenna according to claim 2, wherein, The elastic component is a compression spring, with its two ends abutting against the limiting plate and the base housing, respectively, and in a pre-compressed state.

7. The rod shark fin automotive antenna according to claim 2, wherein, The limiting plate is integrally injection molded to the rotating shaft, and the connecting plate is integrally injection molded to the shaft housing.

8. The rod shark fin automotive antenna according to claim 2, wherein, The lower end of the rod antenna is inserted into the shaft housing.

9. The rod-type shark fin automotive antenna according to claim 1, characterized in that, The top of the base housing is provided with a groove, and the lower end of the rod antenna is disposed in the groove.

10. The rod-type shark fin automotive antenna according to claim 1, characterized in that, The base housing includes an outer shell and a base. The circuit board is disposed on the upper side of the base. The circuit board is connected to a cable, which passes through the base and is connected to a connector. The base is provided with a mounting assembly that can be installed on the roof of a car.

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