Automobile shark fin antenna and mounting structure thereof

By incorporating mounting grooves and beveled locking elements within the shark fin housing, the issues of installation stability and sealing of the camera within the housing are resolved, achieving stable installation and a good sealing effect.

CN121840169APending Publication Date: 2026-04-10SHENYANG AMPHENOL SUNPOOL AUTOMOTIVE ELECTRONICS CO LTD +1
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
SHENYANG AMPHENOL SUNPOOL AUTOMOTIVE ELECTRONICS CO LTD
Filing Date
2026-02-03
Publication Date
2026-04-10

AI Technical Summary

Technical Problem

How to ensure the stability of the camera installation inside the shark fin shell while avoiding affecting the sealing of the shark fin antenna.

Method used

By setting first and second mounting grooves inside the shark fin shell, the inclined surface of the locking member contacts the camera housing, pushing the camera toward the through hole, pressing the sealing ring to achieve a sealing effect, and improving installation stability through the pressing of the locking member.

Benefits of technology

This design achieves stable installation of the camera within the shark fin housing, ensuring unaffected sealing and improving the antenna's waterproof performance and installation stability.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention provides an automobile shark fin antenna and a mounting structure thereof, and relates to the technical field of vehicle-mounted antennae, the automobile shark fin antenna comprises a shark fin shell, the rear end of the shark fin shell is provided with a through hole, a first mounting groove and a second mounting groove; the bottom plate is provided with a mounting structure, and the mounting structure is used for being connected with an automobile top plate; the antenna unit is arranged in the mounting space and is connected with the bottom plate; a shell part of the camera is mounted in the first mounting groove, a lens part of the camera is mounted in the through hole, and a sealing ring is arranged between the camera and the inner wall of the shark fin shell; the locking piece is mounted in the second mounting groove, a first inclined plane is arranged on one side, close to the shell part of the camera, of the locking piece, and the first inclined plane abuts against the shell part of the camera and compresses the sealing ring; the problems of how to ensure the installation stability of a camera in a shark fin shell and how to avoid the influence of the camera on the sealing performance of a shark fin antenna are solved.
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Description

Technical Field

[0001] This invention belongs to the field of vehicle antenna technology, and more specifically, relates to a car shark fin antenna and its mounting structure. Background Technology

[0002] In the field of automotive antennas, to meet customers' demands for high-precision GNSS antenna functionality, maximize antenna performance, and ensure compatibility with vehicle rearview cameras, a shark fin antenna integrating high-precision GNSS and a camera needs to be developed. The introduction of the camera presents a challenge in its installation within the shark fin housing, requiring both stable camera installation and minimizing any impact on the antenna's seal. Summary of the Invention

[0003] The purpose of this invention is to provide a car shark fin antenna and its mounting structure, which solves the problem of how to ensure the stability of the camera installed inside the shark fin housing and avoid the camera's impact on the sealing performance of the shark fin antenna.

[0004] To achieve the above objectives, the present invention provides a car shark fin antenna, comprising: The shark fin shell has a through hole at its rear end, and a first mounting groove and a second mounting groove are sequentially provided inside the shark fin shell near the through hole. A base plate, which is connected to the shark fin shell and forms an installation space within the shark fin shell, and the base plate is provided with an installation structure for connecting to a car roof panel; An antenna unit, wherein the antenna unit is disposed within the mounting space and connected to the base plate; The camera has a housing portion installed in the first mounting groove, a lens portion installed in the through hole, and a sealing ring provided between the camera and the inner wall of the shark fin shell. A locking component is installed in the second mounting groove. The locking component has a first inclined surface on the side near the housing part of the camera. The first inclined surface abuts against the housing part of the camera and compresses the sealing ring.

[0005] Optionally, two first mounting posts are provided inside the shark fin shell near the through hole. A first rib is connected between the first mounting posts and the shark fin shell. A first mounting groove is formed between the two first mounting posts, and the camera is mounted on the first mounting posts.

[0006] Optionally, inside the shark fin shell, two second mounting posts are provided on the side of the two first mounting posts away from the through hole. The second mounting posts are connected to the shark fin shell by a second rib. Two limiting plates are provided on the side of the two second mounting posts away from the first mounting posts. The two limiting plates are connected by a third rib. A second mounting groove is formed between the two second mounting posts. The locking member is installed on the second mounting posts.

[0007] Optionally, the locking member has a second inclined surface on the side of the housing component away from the camera, and the limiting plate has a third inclined surface on the side of the locking member, with the third inclined surface abutting against the second inclined surface.

[0008] Optionally, a plurality of third mounting posts are provided around the interior of the shark fin shell, and the base plate is mounted on the third mounting posts.

[0009] Optionally, the outer side of the base plate is wrapped with a rubber pad, a first part of which is located between the base plate and the shark fin shell, and a second part of which is used to be positioned between the base plate and the car roof.

[0010] Optionally, the mounting structure includes: The first boss is located on the lower side of the base plate. The four corners of the first boss are provided with guide grooves with a tapered bottom surface, and the center of the first boss is provided with a threaded hole. The chuck includes a connecting plate and chucks disposed at the four corners of the chuck. The chucks cooperate with the guide groove and can expand outward under the action of the conical surface. The connecting plate has bolt holes in the middle. A bolt that mates with the threaded hole.

[0011] Optionally, the mounting structure further includes a clip, which includes a U-shaped plate with spring clips at both ends; the base plate has through slots on both sides of the first boss, and third mounting slots on both sides of the first boss; the U-shaped plate is mounted on the base plate, and both ends of the U-shaped plate pass through the through slots and are embedded in the third mounting slots; the spring clips are used to engage with the car roof panel.

[0012] Optionally, the locking component includes two trapezoidal plates connected by a connecting beam. The two sides of each trapezoidal plate form a first inclined surface and a second inclined surface, respectively. The interior of each trapezoidal plate is provided with a mounting hole that mates with the first mounting post. One end of each mounting hole is provided with a clearance groove that mates with the second rib. A insertion slot is provided between the two trapezoidal plates, which can accommodate the passage of a first connector connected to the camera.

[0013] The present invention also provides a mounting structure for a car shark fin antenna, comprising: The aforementioned car shark fin antenna is mounted on the car roof panel via the mounting structure. The base plate and the car roof panel are respectively provided with a first cable outlet and a second cable outlet. The antenna unit and the camera are respectively connected to a third connector and a fourth connector via a first cable and a second cable. The first cable and the second cable pass through the first cable outlet and the second cable outlet and are connected to the car host.

[0014] This invention provides a car shark fin antenna and its mounting structure. Its advantages are as follows: The car shark fin antenna mounts the antenna unit on a base plate, and the shark fin shell and the base plate form an installation space. A camera is locked inside the shark fin shell using a locking device. During installation, the camera and the locking device are respectively installed in the first and second mounting slots inside the shark fin shell. The first inclined surface of the locking device contacts the camera's housing component. During installation, the locking device moves towards the shark fin shell, and the first inclined surface tilts and pushes the camera towards the through hole, thereby pressing the sealing ring of the camera's lens portion, achieving a sealing effect around the through hole. Furthermore, the locking device's pressure on the camera improves its installation stability.

[0015] Other features and advantages of the present invention will be described in detail in the following detailed description section. Attached Figure Description

[0016] The above and other objects, features and advantages of the present invention will become more apparent from the more detailed description of exemplary embodiments of the invention in conjunction with the accompanying drawings, wherein the same reference numerals generally represent the same components in the exemplary embodiments of the invention.

[0017] Figure 1 A first exploded structural schematic diagram of a car shark fin antenna according to an embodiment of the present invention is shown.

[0018] Figure 2 A second exploded structural schematic diagram of a car shark fin antenna according to an embodiment of the present invention is shown.

[0019] Figure 3 A schematic diagram of the structure of a shark fin housing for an automotive shark fin antenna according to an embodiment of the present invention is shown.

[0020] Explanation of reference numerals in the attached figures: 1. Shark fin shell; 2. Through hole; 3. First mounting slot; 4. Second mounting slot; 5. Base plate; 6. Antenna unit; 7. Camera; 8. Sealing ring; 9. Locking component; 10. First inclined surface; 11. First mounting post; 12. Second mounting post; 13. Limiting plate; 14. Second inclined surface; 15. Third inclined surface; 16. Third mounting post; 17. Rubber pad; 18. First boss; 19. Guide groove; 20. Claw; 21. Bolt; 22. Clip; 23. Spring part; 24. Trapezoidal plate; 25. Connecting beam; 26. Mounting hole; 27. Clearance groove; 28. Insertion through groove. Detailed Implementation

[0021] Preferred embodiments of the invention will now be described in more detail. While preferred embodiments of the invention are described below, it should be understood that the invention can be implemented in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that the invention will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.

[0022] like Figures 1 to 3 As shown, the present invention provides a car shark fin antenna, comprising: The shark fin shell 1 has a through hole 2 at its rear end, and a first mounting groove 3 and a second mounting groove 4 are sequentially provided inside the shark fin shell 1 near the through hole 2. The base plate 5 is connected to the shark fin shell 1 and forms an installation space inside the shark fin shell 1. The base plate 5 is provided with an installation structure for connecting to the car roof. Antenna unit 6 is installed in the mounting space and connected to the base plate 5. The camera 7 has its housing installed in the first mounting groove 3, its lens installed in the through hole 2, and a sealing ring 8 is provided between the camera 7 and the inner wall of the shark fin shell 1. Locking component 9 is installed in the second mounting groove 4. A first inclined surface 10 is provided on the side of the locking component 9 near the housing part of the camera 7. The first inclined surface 10 abuts against the housing part of the camera 7 and compresses the sealing ring 8.

[0023] Specifically, to address the issue of ensuring the stability of the camera 7 within the shark fin housing 1 and avoiding its impact on the sealing of the shark fin antenna, the automotive shark fin antenna provided by this invention mounts the antenna unit 6 on the base plate 5. The shark fin housing 1 and the base plate 5 together form an installation space. The camera 7 is then locked inside the shark fin housing 1 using a locking member 9. During installation, the camera 7 and the locking member 9 are respectively installed in the first mounting groove 3 and the second mounting groove 4 within the shark fin housing 1. The first inclined surface 10 of the locking member 9 contacts the housing component of the camera 7. During installation, the locking member 9 moves towards the shark fin housing 1, and the first inclined surface 10 tilts and pushes the camera 7 towards the through hole 2, thereby pressing the sealing ring 8 of the lens portion of the camera 7 to achieve a sealing effect around the through hole 2. Furthermore, the locking member 9's pressure on the camera 7 improves its installation stability.

[0024] Optionally, two first mounting posts 11 are provided inside the shark fin shell 1 near the through hole 2. A first rib is connected between the first mounting posts 11 and the shark fin shell 1. A first mounting groove 3 is formed between the two first mounting posts 11. The camera 7 is mounted on the first mounting posts 11.

[0025] Specifically, the camera 7 is installed in the first mounting groove 3 between the two first mounting posts 11. The camera 7 has ear plates on both sides, and the two ear plates are installed on the two first mounting posts 11 by two first screws.

[0026] Optionally, inside the shark fin shell 1, two second mounting posts 12 are provided on the side of the two first mounting posts 11 away from the through hole 2. A second rib plate connects the second mounting posts 12 to the shark fin shell 1. Two limiting plates 13 are provided on the side of the two second mounting posts 12 away from the first mounting posts 11. The two limiting plates 13 are connected by a third rib plate. A second mounting groove 4 is formed between the two second mounting posts 12. The locking member 9 is installed on the second mounting posts 12.

[0027] Specifically, the locking element 9 is installed in the second mounting groove 4 between the two second mounting posts 12, and one end of it cooperates with the two limiting plates 13.

[0028] Optionally, a second inclined surface 14 is provided on the side of the housing component away from the camera 7 of the locking member 9, and a third inclined surface 15 is provided on the side of the limiting plate 13 close to the locking member 9, with the third inclined surface 15 abutting against the second inclined surface 14.

[0029] Specifically, the second inclined surface 14 on the side of the locking member 9 away from the camera 7 cooperates with the third inclined surface 15 of the limiting plate 13 near the end face of the locking member 9, so that as the locking member 9 is inserted into and locked into the second mounting groove 4, the locking member 9 moves toward the direction of the through hole 2, pushes the camera 7 to press against the sealing ring 8, and presses the camera 7 through the first inclined surface 10; the locking member 9 is mounted on the two second mounting posts 12 by two second screws.

[0030] Optionally, a plurality of third mounting posts 16 are provided around the interior of the shark fin shell 1, and the base plate 5 is mounted on the third mounting posts 16.

[0031] Specifically, the base plate 5 is mounted on multiple third mounting posts 16 by multiple third screws.

[0032] Optionally, the outer side of the base plate 5 is covered with a rubber pad 17. The first part of the rubber pad 17 is located between the base plate 5 and the shark fin shell 1, and the second part of the rubber pad 17 is used to be placed between the base plate 5 and the car roof.

[0033] Specifically, the rubber pad 17 can be integrally molded and connected to the base plate 5 to form a wrapping state for the base plate 5, which can achieve both the sealing between the upper side of the base plate 5 and the shark fin shell 1, and the sealing between the lower side of the base plate 5 and the car roof.

[0034] Optionally, the mounting structure includes: The first boss 18 is located on the lower side of the base plate 5. The four corners of the first boss 18 are provided with guide grooves 19 with a conical bottom surface, and the center of the first boss 18 is provided with a threaded hole. The chuck 20 includes a connecting plate and chucks located at the four corners of the chuck 20. The chucks cooperate with the guide groove 19 and can expand outward under the action of the conical surface. The connecting plate has bolt holes 21 in the middle. Bolt 21, which mates with a threaded hole.

[0035] Specifically, the mounting structure passes through the car roof panel via the first boss 18 and enters the vehicle interior. As the bolt 21 is tightened, the claws of the claw 20 expand outward under the action of the conical surface until they abut against the inner wall of the car roof panel, thus enabling convenient installation of the car shark fin antenna inside the vehicle.

[0036] Optionally, the mounting structure also includes a clip 22, which includes a U-shaped plate with spring clips 23 at both ends. The base plate 5 has through slots on both sides of the first boss 18 and third mounting slots on both sides of the first boss 18. The U-shaped plate is mounted on the base plate 5, and both ends of the U-shaped plate pass through the through slots and are embedded in the third mounting slots. The spring clips 23 are used to engage with the car roof panel.

[0037] Specifically, the setting of the clip 22 can complete the pre-installation of the car shark fin antenna on the car roof. The two ends of the U-shaped plate of the clip 22 pass through the through slot and enter the third mounting slot, and the spring piece 23 protrudes outward. When the spring piece 23 passes through the car roof, it retracts inward and undergoes elastic deformation. When it passes through the car roof, the spring piece 23 resets and is locked on the inner wall side of the car roof.

[0038] In this embodiment, four second protrusions are provided on the lower side of the base plate 5, and the second protrusions are arranged opposite to the claw.

[0039] Optionally, the locking member 9 includes two trapezoidal plates 24, which are connected by a connecting beam 25. The two sides of the trapezoidal plates 24 form a first inclined surface 10 and a second inclined surface 14, respectively. The interior of the trapezoidal plates 24 is provided with mounting holes 26 that mate with the first mounting post 11. One end of the mounting hole 26 is provided with a clearance groove 27 that mates with the second stiffener. A insertion slot 28 is provided between the two trapezoidal plates 24, which can accommodate the passage of the first connector connected to the camera 7.

[0040] Specifically, the two trapezoidal plates 24 of the locking member 9 form an H-shaped structure under the connection of the connecting beam 25. The two sides of the trapezoidal plates 24 form a first inclined surface 10 that cooperates with the camera 7 and a second inclined surface 14 that cooperates with the limiting plate 13. The trapezoidal plates 24 have mounting holes 26 inside. The locking member 9 is installed by cooperating with the first mounting post 11 through the mounting holes 26. The clearance grooves 27 are all left with a margin to accommodate the movement of the locking member 9 toward the camera 7 during the installation and tightening process. The insertion slot 28 left between the two trapezoidal plates 24 can allow the first connector to pass through, which facilitates the insertion of the first connector and the second connector at the tail of the camera 7.

[0041] In this embodiment, the shark fin shell 1 is a plastic spray-painted part, which protects the internal components and ensures the overall aesthetics of the vehicle; the base plate 5 is a metal die-cast part, which ensures that the antenna can compress the rubber pad 17 after installation so that it fits tightly with the roof sheet metal to achieve waterproofing; the rubber pad 17 is a rubber part, which works with the roof sheet metal to form a sealed space for waterproofing; the locking part 9 is a plastic part, which, during installation, squeezes the camera 7 and the limiting plate 13 so that the camera 7 fits tightly with the shark fin shell 1 through the sealing ring 8, forming a sealed space inside the antenna and improving waterproofing performance.

[0042] The present invention also provides a mounting structure for a car shark fin antenna, comprising: The aforementioned car shark fin antenna is mounted on the car roof via an installation structure. The base plate 5 and the car roof are respectively provided with a first wire outlet hole and a second wire outlet hole. The antenna unit 6 and the camera 7 are respectively connected to a third connector and a fourth connector via a first cable and a second cable. The first cable and the second cable pass through the first wire outlet hole and the second wire outlet hole and are connected to the car host.

[0043] Specifically, the first and second cable exit holes are connected. The antenna unit 6 is connected to the third connector via the first cable. One end of the second cable is connected to the first connector, and the other end is connected to the fourth connector. The first connector is plugged into the second connector at the rear of the camera 7. Both the third and fourth connectors are located inside the car and are connected to the car's main unit to transmit the signals from the antenna unit 6 and the camera 7.

[0044] In this embodiment, antenna element 6 is a high-precision GNSS antenna.

[0045] In summary, the shark fin antenna for automobiles provided by this invention is installed in the rear center of the vehicle's roof, maximizing the performance of a high-precision GNSS antenna by ensuring unobstructed overhead and interference-free surroundings. This guarantees strong GNSS signal quality, stable and accurate positioning, and improved vehicle positioning accuracy during intelligent driving. Simultaneously, the camera 7, housed within the shark fin housing 1, maximizes its field of view, allowing the user to anticipate and react to approaching vehicles from behind, thus ensuring vehicle safety.

[0046] 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 car shark fin antenna, characterized in that, include: The shark fin shell has a through hole at its rear end, and a first mounting groove and a second mounting groove are sequentially provided inside the shark fin shell near the through hole. A base plate, which is connected to the shark fin shell and forms an installation space within the shark fin shell, and the base plate is provided with an installation structure for connecting to a car roof panel; An antenna unit, wherein the antenna unit is disposed within the mounting space and connected to the base plate; The camera has a housing portion installed in the first mounting groove, a lens portion installed in the through hole, and a sealing ring provided between the camera and the inner wall of the shark fin shell. A locking component is installed in the second mounting groove. The locking component has a first inclined surface on the side near the housing part of the camera. The first inclined surface abuts against the housing part of the camera and compresses the sealing ring.

2. The automotive shark fin antenna according to claim 1, characterized in that, Two first mounting posts are provided inside the shark fin shell near the through hole. A first rib is connected between the first mounting posts and the shark fin shell. A first mounting groove is formed between the two first mounting posts. The camera is mounted on the first mounting posts.

3. The automotive shark fin antenna according to claim 1, characterized in that, Inside the shark fin shell, two second mounting posts are provided on the side of the two first mounting posts away from the through hole. The second mounting posts are connected to the shark fin shell by a second rib. Two limiting plates are provided on the side of the two second mounting posts away from the first mounting posts. The two limiting plates are connected by a third rib. A second mounting groove is formed between the two second mounting posts. The locking member is installed on the second mounting posts.

4. The automotive shark fin antenna according to claim 3, characterized in that, The locking member has a second inclined surface on the side of the housing component away from the camera, and the limiting plate has a third inclined surface on the side of the locking member. The third inclined surface abuts against the second inclined surface.

5. The automotive shark fin antenna according to claim 1, characterized in that, The shark fin shell has multiple third mounting posts around its interior, and the base plate is mounted on the third mounting posts.

6. The automotive shark fin antenna according to claim 1, characterized in that, The outer side of the base plate is covered with a rubber pad. The first part of the rubber pad is located between the base plate and the shark fin shell, and the second part of the rubber pad is used to be placed between the base plate and the car roof.

7. The automotive shark fin antenna according to claim 1, characterized in that, The mounting structure includes: The first boss is located on the lower side of the base plate. The four corners of the first boss are provided with guide grooves with a tapered bottom surface, and the center of the first boss is provided with a threaded hole. The chuck includes a connecting plate and chucks disposed at the four corners of the chuck. The chucks cooperate with the guide groove and can expand outward under the action of the conical surface. The connecting plate has bolt holes in the middle. A bolt that mates with the threaded hole.

8. The automotive shark fin antenna according to claim 7, characterized in that, The mounting structure also includes a clip, which includes a U-shaped plate with spring clips at both ends. The base plate has through slots on both sides of the first boss and third mounting slots on both sides of the first boss. The U-shaped plate is mounted on the base plate, and both ends of the U-shaped plate pass through the through slots and are embedded in the third mounting slots. The spring clips are used to engage with the car roof panel.

9. The automotive shark fin antenna according to claim 4, characterized in that, The locking component includes two trapezoidal plates connected by a connecting beam. The two sides of each trapezoidal plate form a first inclined surface and a second inclined surface, respectively. The interior of each trapezoidal plate is provided with a mounting hole that mates with the first mounting post. One end of each mounting hole is provided with a clearance groove that mates with the second rib. A insertion slot is provided between the two trapezoidal plates, which can accommodate the passage of a first connector connected to the camera.

10. A mounting structure for a car shark fin antenna, characterized in that, include: The car shark fin antenna according to any one of claims 1-9, wherein the car shark fin antenna is mounted on the car roof panel through the mounting structure, the base plate and the car roof panel are respectively provided with a first wire outlet hole and a second wire outlet hole, the antenna unit and the camera are respectively connected to a third connector and a fourth connector through a first cable and a second cable, and the first cable and the second cable pass through the first wire outlet hole and the second wire outlet hole and are connected to the car host.