Vehicle-mounted antenna with conductive foam on step side
By designing stepped conductive foam and docking clips on the chassis of the vehicle antenna, and combining them with aluminum alloy materials, the problems of misaligned conductive foam and contact springs were solved, achieving both stability and cost reduction.
Patent Information
- Application Number
- CN202423226816.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-26
- Publication Date
- 2025-12-05
- Estimated Expiration
- 2034-12-26
AI Technical Summary
Traditional vehicle antennas are prone to tilting when conductive foam is attached. Conductive foam is bulky and not conducive to static electricity discharge. Spring-type contacts result in insufficient toughness. Zinc alloy electroplating process is complex and easily damaged.
The conductive foam with a stepped side design, combined with the docking buckle and assembly connection ring seat, uses aluminum alloy material, eliminating the need for electroplating, increasing the accuracy and stability of the conductive foam, and replacing the spring-type contact with conductive foam.
It enables accurate attachment of conductive foam, improves assembly convenience and stability, avoids poor conductivity and electroplating complexity, and reduces costs.
Smart Images
Figure CN223638598U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to vehicle antenna technical field especially step side is equipped with conductive foam's vehicle antenna. BACKGROUND
[0002] At present, the function of vehicle equipment field is more and more, and the performance is more and more powerful, and the integration rate of electronic component is high, and the electromagnetic compatibility, interference and other problems between mutual electronic components need to be solved synchronously, otherwise it will directly affect the performance of vehicle antenna.
[0003] The prior art has the following problems:
[0004] When the conductive foam is pasted by traditional manual method, it is easy to be pasted skew, and the conductive foam is large in size, and it is not conducive to static electricity to be quickly led out after being pasted.
[0005] The traditional vehicle antenna uses a spring sheet type contact, and the spring sheet is in long-term contact with the roof, and the spring sheet will be insufficient in flexibility in the later period, thereby affecting the conduction problem of the antenna.
[0006] The traditional vehicle antenna chassis adopts a zinc alloy electroplated color zinc method to prevent surface oxidation, and the process is complex, and the chassis is prone to scratches and other defects during electroplating. INVENTION CONTENTS
[0007] The utility model overcomes the insufficient prior art, and provides a vehicle antenna with step side equipped with conductive foam, which is convenient to assemble, stable in structure and convenient to lead out static electricity.
[0008] To achieve the above purpose, the utility model adopts the technical scheme that a vehicle antenna with step side equipped with conductive foam, comprising: a vehicle antenna chassis, the vehicle antenna chassis is assembled and connected with a radome body through an assembly adapter ring seat; a receiving cavity is arranged at the lower part of the radome body, a connecting ring table one is embedded in the receiving cavity, and a plurality of outward extending connecting buckles are arranged on the periphery of the connecting ring table one; a connecting ring table two is embedded and connected between the assembly adapter ring seat and the radome body, a plurality of limiting insertion slots for penetrating the connecting buckles are arranged on the connecting ring table two, and an embedded accommodation groove is arranged on the outer side of the connecting ring table two; the vehicle antenna chassis comprises a bottom plate body embedded in the embedded accommodation groove, the connecting buckles are connected with the clamping tongues arranged on the bottom plate body; a step is arranged on the bottom plate body, and conductive foam is arranged on one side of the step.
[0009] In a preferred embodiment of the utility model, the two sides of the bottom plate body are respectively an assembly side connected with the assembly adapter ring seat and the radome body, and a mounting side assembled with the vehicle body;
[0010] The assembly side is provided with a connecting cavity, and the periphery of the connecting cavity is provided with a second surrounding barrier.
[0011] In a preferred embodiment of the utility model, the bottom plate body is provided with an embedded clamping block inserted into the limiting slot, and the embedded clamping block is arranged on the outer periphery of the second fence.
[0012] A clamping tongue is arranged on the embedded clamping block, and the butt joint buckle is clamped with the clamping tongue arranged on the embedded clamping block.
[0013] In a preferred embodiment of the utility model, a plurality of limiting insertion rods and / or mounting holes are further arranged on the assembly side.
[0014] In a preferred embodiment of the utility model, a positioning column extending outward is arranged on the mounting side, and a wire passing hole is arranged in the positioning column and communicates with the butt joint cavity.
[0015] In a preferred embodiment of the utility model, a through groove is arranged on the inner side of the butt joint ring table two of the assembly connecting ring seat, and a sealing ring is arranged on the outer periphery of the through groove and butt joint with the sealing groove on the outer periphery of the butt joint ring table two; an isolation groove is further arranged on the outer periphery of the sealing ring.
[0016] In a preferred embodiment of the utility model, the two ends of the bottom plate body are bent downward, and the middle part is upwardly curved to form a curved surface structure.
[0017] In a preferred embodiment of the utility model, the curvature of the plate material of the bottom plate body is 3°30'~1°30'.
[0018] In a preferred embodiment of the utility model, the material of the vehicle-mounted antenna chassis and / or the antenna cover body is aluminum alloy.
[0019] In a preferred embodiment of the utility model, an identification code is arranged on one or more of the bottom plate body, the antenna cover body and the assembly connecting ring seat; and / or, an insertion locking head limiting insertion with the circuit board and an insertion rod butt joint with the vehicle-mounted antenna chassis extending outward are further arranged in the inner part of the receiving cavity.
[0020] Compared with the prior art, the utility model has the beneficial effects that:
[0021] The utility model discloses a vehicle-mounted antenna which is convenient to assemble, stable in structure and facilitates static electricity conduction.
[0022] 1. In order to prevent other electronic components from interfering with each other, conductive foam is arranged to prevent interference, and in order to allow the conductive foam to be attached to the specified position, the steps of the vehicle-mounted antenna chassis are used for limiting, the position of the conductive foam is accurate, the personnel is simple to attach, and the labor hours are saved. In the prior art, the electromagnetic anti-interference facility is usually realized through the spring sheet type contact, and in the embodiment, the conductive foam is used to replace the traditional spring sheet type contact mode, so that the problem of insufficient toughness of the spring after long-term contact with the roof is prevented, and the problem of poor antenna conduction is improved.
[0023] 2. The vehicle-mounted antenna adopts butt joint buckle, assembly connection ring seat and card tongue butt joint combination of vehicle-mounted antenna chassis, which improves the convenience and stability of assembly. BRIEF DESCRIPTION OF DRAWINGS
[0024] The utility model is further illustrated below in combination with the drawings and embodiments.
[0025] Figure 1 is the explosion structure schematic diagram of the vehicle-mounted antenna with step side provided with conductive foam in the preferred embodiment of the utility model;
[0026] Figure 2 is the section structure schematic diagram of the vehicle-mounted antenna with step side provided with conductive foam in the preferred embodiment of the utility model;
[0027] Figure 3 is the overhead structure schematic diagram of the vehicle-mounted antenna with step side provided with conductive foam in the preferred embodiment of the utility model;
[0028] Figure 4 is Figure 3 the section structure schematic diagram of A-A in the preferred embodiment of the utility model;
[0029] Figure 5 is the structure schematic diagram when the assembly connection ring seat and vehicle-mounted antenna chassis butt joint in the preferred embodiment of the utility model;
[0030] Figure 6 is the axial structure schematic diagram of the vehicle-mounted antenna chassis in the preferred embodiment of the utility model Figure 1 ;
[0031] Figure 7 is the axial structure schematic diagram of the vehicle-mounted antenna chassis in the preferred embodiment of the utility model Figure 2 ;
[0032] Figure 8 is the overhead structure schematic diagram of the vehicle-mounted antenna chassis in the preferred embodiment of the utility model;
[0033] Figure 9 is the overhead structure schematic diagram of the vehicle-mounted antenna chassis in the preferred embodiment of the utility model;
[0034] Figure 10 is the front view structure schematic diagram of the vehicle-mounted antenna chassis in the preferred embodiment of the utility model;
[0035] Figure 11 is the axial structure schematic diagram of the assembly connection ring seat in the preferred embodiment of the utility model Figure 1 ;
[0036] Figure 12 is the axial structure schematic diagram of the assembly connection ring seat in the preferred embodiment of the utility model Figure 2 ;
[0037] Figure 13 is the front view structural schematic diagram of the antenna cover body in the preferred embodiment of the utility model;
[0038] Figure 14 is the top view structural schematic diagram of the antenna cover body in the preferred embodiment of the utility model;
[0039] Figure 15 is the axial view structural schematic diagram of the antenna cover body in the preferred embodiment of the utility model Figure 1 ;
[0040] Figure 16 is the axial view structural schematic diagram of the antenna cover body in the preferred embodiment of the utility model Figure 2 ;
[0041] Figure 17 is the axial view structural schematic diagram of the antenna cover body in the preferred embodiment of the utility model Figure 3 ;
[0042] Figure 18 is the bottom view structural schematic diagram of the antenna cover body in the preferred embodiment of the utility model;
[0043] Figure 19 is the axial view structural schematic diagram of the antenna cover body in the preferred embodiment of the utility model Figure 4 ;
[0044] Figure 20 is the axial view structural schematic diagram of the antenna cover body in the preferred embodiment of the utility model Figure 5 ;
[0045] Figure 21 is the schematic diagram of curvature one and curvature two of the bottom plate body in the preferred embodiment of the utility model;
[0046] Wherein, 1-antenna cover body, 11-receiving cavity, 12-abutment ring table one, 13-sealing groove, 14-abutment buckle, 15-insertion rod, 16-insertion locking head, 17-shark fin, 18-streamlined body;
[0047] 2-assembly connection ring seat, 21-enclosure one, 21-abutment ring table two, 22-sealing ring, 23-isolation groove, 24-limiting slot, 25-embedded accommodating groove;
[0048] 3-vehicle-mounted antenna chassis, 31-bottom plate body, 310-curvature one, 311-curvature two, 32-assembly side, 321-enclosure two, 322-abutment cavity, 323-limiting insertion rod, 324-embedded clamping block, 325-clamping tongue, 326-mounting hole, 33-mounting side, 331-positioning column, 332-threading hole, 324-step, 4-conductive foam, 5-identification code. Detailed Implementation
[0049] The present invention will now be described in detail with reference to the accompanying drawings and specific embodiments. It should be understood that the embodiments of the present invention and the specific features therein are detailed descriptions of the present invention, rather than limitations thereof. In the absence of conflict, the embodiments of the present invention and the technical features therein can be combined with each other.
[0050] The term "and / or" simply describes the relationship between related objects, indicating that three relationships can exist. For example, A and / or B can represent: A alone, A and B simultaneously, or B alone. Additionally, the character " / " generally indicates that the preceding and following related objects have an "or" relationship. Example 1
[0051] like Figures 1-21 As shown, a vehicle-mounted antenna with conductive foam on the stepped side includes: a vehicle-mounted antenna chassis 3, which is assembled and docked with the antenna cover 1 through an assembly connecting ring seat 2.
[0052] Specifically, the lower part of the antenna radome 1 is provided with a storage cavity 11, and a docking ring platform 12 is embedded in the storage cavity 11. Several outwardly extending docking buckles 14 are provided around the docking ring platform 12.
[0053] Specifically, the assembly connecting ring seat 2 and the antenna radome 1 are fitted with a second docking ring platform 21. The second docking ring platform 21 is provided with several limiting slots 24 for the docking buckles 14 to pass through, and the outer side of the second docking ring platform 21 is provided with an embedding receiving groove 25. Furthermore, the inner side of the docking ring platform 21 of the assembly connecting ring seat 2 is provided with a through groove, and the outer periphery of the through groove is provided with a sealing ring 21 that engages with the sealing groove 13 on the periphery of the docking ring platform 12; the outer periphery of the sealing ring 21 is provided with an isolation groove 23.
[0054] Specifically, the vehicle-mounted antenna chassis 3 includes a base plate body 31 embedded in the embedding receiving groove 25, and a docking buckle 14 engaging with a latch 325 provided on the base plate body 31; the base plate body 31 has a step 324, and a conductive foam 4 is provided on one side of the step 324. The two sides of the base plate body 31 are an assembly side 32 that docks with the assembly connecting ring seat 2 and the antenna cover 1, and an installation side 33 that is assembled with the vehicle body; the assembly side 32 has a docking cavity 322, and a second enclosure 321 is provided around the docking cavity 322. The base plate body 31 has an embedding block 324 that inserts into the limiting slot 24, and the embedding block 324 is located around the second enclosure 321; the embedding block 324 has a latch 325, and the docking buckle 14 engages with the latch 325 on the embedding block 324. The assembly side 32 is also provided with several limiting rods 323 and / or mounting holes 326. The mounting side 33 is provided with outwardly extending positioning posts 331, and the positioning posts 331 are provided with wire passage holes 332 communicating with the docking cavity 322. Furthermore, the conductive foam 4 adopts existing conductive foam products, and the selection of conductive foam models will not be listed or described in detail here. Example 2
[0055] like Figures 1-21 As shown, a vehicle-mounted antenna with conductive foam on the stepped side includes: a vehicle-mounted antenna chassis 3, which is assembled and docked with the antenna cover 1 through an assembly connecting ring seat 2.
[0056] Specifically, the lower part of the antenna radome 1 is provided with a receiving cavity 11, and a docking ring platform 12 is embedded in the receiving cavity 11. Several outwardly extending docking buckles 14 are provided around the docking ring platform 12. Furthermore, the receiving cavity 11 is also provided with an outwardly extending plug-in locking head 16 for limiting and inserting into the circuit board, and a plug-in rod 15 for docking with the vehicle antenna chassis 3. The plug-in locking head 16 and the plug-in rod 15 are located on the inner and outer sides of the docking ring platform 12, respectively. The plug-in locking head 16 adopts a multi-lobed limiting plug-in end with barbs. In this embodiment, a three-lobed limiting plug-in end with barbs is used. The three-lobed limiting plug-in end is inserted into the limiting hole of the circuit board set in the antenna radome 1. The barbs of the three-lobed limiting plug-in end limit the insertion into the limiting hole, and the supporting ribs on the outer periphery of the three-lobed limiting plug-in end support and abut against the circuit board. The antenna radome 1 is provided with a shark fin 17 on its exterior, and the shark fin 17 is connected to the antenna radome 18 as a connector.
[0057] Specifically, the assembly adapter ring seat 2 is assembled with the docking ring table two 21 embedded in the antenna cover body 1, the docking ring table two 21 is provided with a plurality of limiting slots 24 for penetrating the docking buckle 14, and the outer side of the docking ring table two 21 is provided with an embedded accommodation groove 25. Further, the inner side of the docking ring table two 21 of the assembly adapter ring seat 2 is provided with a through groove, and the outer periphery of the through groove is provided with a sealing ring 21 which is in abutment with the sealing groove 13 on the outer periphery of the docking ring table one 12; the outer periphery of the sealing ring 21 is provided with an isolation groove 23.
[0058] Specifically, the vehicle-mounted antenna chassis 3 includes a bottom plate body 31 embedded in the embedded accommodation groove 25, both ends of the bottom plate body 31 are bent downward, and the middle part is upwardly curved. Further, in this embodiment, the curvature of the plate material of the bottom plate body 31 is 3°30'~1°30'; such design can perfectly fit the body curve, and play a more beautiful role. Further, in this embodiment, the curvatures of both ends of the bottom plate body 31 of the vehicle-mounted antenna are designed as curvature one 310 and curvature two 311; the curvature one 310 is 1°30' curvature, and the curvature two 311 is 3°30' curvature. The docking buckle 14 is connected with the latch 325 provided on the bottom plate body 31; the bottom plate body 31 is provided with a step 324, one side of the step 324 is provided with the conductive foam 4. Both sides of the bottom plate body 31 are respectively an assembly side 32 which is in abutment with the assembly adapter ring seat 2 and the antenna cover body 1, and a mounting side 33 which is assembled with the vehicle body; the assembly side 32 is provided with a docking cavity 322, and the outer periphery of the docking cavity 322 is provided with a fence two 321. The bottom plate body 31 is provided with an embedded clamping block 324 which is inserted into the limiting slot 24, and the embedded clamping block 324 is arranged on the outer periphery of the fence two 321; the embedded clamping block 324 is provided with the latch 325, and the docking buckle 14 is connected with the latch 325 provided on the embedded clamping block 324. The assembly side 32 is further provided with a plurality of limiting insertion rods 323 and / or mounting holes 326. The mounting side 33 is provided with a positioning column 331 which extends outward, and the positioning column 331 is provided with a wire passing hole 332 which is in communication with the docking cavity 322. Further, the conductive foam 4 adopts the existing conductive foam product, and the model selection of the conductive foam is not listed and described here. Embodiment three
[0059] On the basis of the embodiment one or the embodiment two, as shown in the Figures 1-21 vehicle-mounted antenna chassis 3 or / and the antenna cover body 1 adopts aluminum alloy, and the aluminum alloy selected in this embodiment is AIsioMnMg aluminum alloy in the existing technology. The vehicle-mounted antenna adopts AIsioMnMg aluminum alloy material, even if the surface is not treated by electroplating, it can still pass the 96H salt spray test, reduces the electroplating process, and saves the cost. Embodiment four
[0060] On the basis of the embodiment one or the embodiment two or the embodiment three, asFigures 1-21 As shown in the drawings, one or more of the base plate body 31, the antenna cover body 1, and the assembled adapter ring seat 2 is provided with an identification code 5. In this embodiment, the identification code 5 can be one or more of a two-dimensional code, a bar code, and an RFID code, but is not limited thereto. In other embodiments, other identification codes in the prior art can also be provided. In this embodiment, the vehicle-mounted antenna cancels the identification code 5 and directly engraves the identification code 5 (in one embodiment, the identification code 5 is a two-dimensional code) on the vehicle-mounted antenna chassis 3 by laser engraving, which is beneficial to the preservation of the two-dimensional code and facilitates later tracing. Embodiment five
[0061] On the basis of any one of the embodiments one to four, as shown in the drawings, Figures 1-21 The vehicle-mounted antenna chassis is designed with two steps 324 for fixing the conductive foam, and the size of the steps 324 is 0.5 mm larger than that of the conductive foam. In this way, the conductive foam is attached along the edge of the steps and will not be skewed. Furthermore, the conductive foam is miniaturized to only 20*20 mm, which can save the cost of raw materials and save the attachment working hours.
[0062] Working principle:
[0063] The utility model discloses a kind of vehicle-mounted antennas of convenient assembly, stable structure, facilitate the step side of electrostatic conduction being provided with conductive foam.
[0064] In order to prevent other electronic components from interfering with the vehicle-mounted antenna, the conductive foam 325 is provided to prevent interference. In order to attach the conductive foam 325 to the specified position, the vehicle-mounted antenna chassis 3 is provided with two protruding steps 324 on the left and right sides to limit the position of the conductive foam 325. The conductive foam 325 is accurately positioned, and the personnel can easily attach it without skewing. This saves labor hours. In the prior art, electromagnetic interference prevention facilities are usually implemented by spring contact. In this embodiment, the conductive foam 325 is used to replace the traditional spring contact method to prevent the problem of insufficient toughness of the spring after long-term contact with the roof, thereby improving the poor antenna conduction problem.
[0065] The vehicle-mounted antenna is made of AIs10MnMg aluminum alloy material. Even if the surface is not treated by electroplating, it can still pass the 96H salt spray test, reducing the electroplating process and saving costs.
[0066] The vehicle-mounted antenna uses a high-strength aluminum alloy buckle, which has higher strength and better waterproof effect.
[0067] According to the ideal embodiment of the present application, based on the above description, relevant personnel can make various changes and modifications without deviating from the technical concept of the present application. The technical scope of the present application is not limited to the contents described in the specification, and must be determined by the scope of the claims.
Claims
1. A vehicle-mounted antenna having a step side provided with conductive foam, characterized by The utility model relates to a kind of vehicle-mounted antenna chassis, including: Vehicle-mounted antenna chassis (3) is assembled with radome (1) by assembling adapter ring seat (2) and is assembled with interface; The lower portion of the radome (1) is provided with a receiving cavity (11), and the receiving cavity (11) is embedded with an interface ring table one (12). The periphery of the interface ring table one (12) is provided with a plurality of outwardly extending interface buckles (14). The assembling adapter ring seat (2) is embedded with the interface ring table two (21) of radome (1) and is embedded with the interface. The interface ring table two (21) is provided with a plurality of limiting slots (24) for penetrating the interface buckles (14). The outer side of the interface ring table two (21) is provided with an embedded accommodation groove (25). The vehicle-mounted antenna chassis (3) includes a bottom plate body (31) embedded in the embedded accommodation groove (25). The interface buckles (14) are connected with the card tongue (325) provided on the bottom plate body (31). The bottom plate body (31) is provided with a step (334). One side of the step (334) is provided with a conductive foam (4).
2. The vehicle antenna with step side provided with conductive foam according to claim 1, characterized in that: The two sides of the bottom plate body (31) are respectively an assembly side (32) for interfacing with the assembling adapter ring seat (2) and the radome (1), and a mounting side (33) for assembling with the vehicle body. The assembly side (32) is provided with an interface cavity (322). The periphery of the interface cavity (322) is provided with a second enclosure (321).
3. The vehicle antenna with step side provided with conductive foam according to claim 2, characterized in that: The bottom plate body (31) is provided with an embedded card block (324) inserted into the limiting slot (24). The embedded card block (324) is provided on the periphery of the second enclosure (321). The embedded card block (324) is provided with a card tongue (325). The interface buckles (14) are connected with the card tongue (325) provided on the embedded card block (324).
4. The vehicle antenna with step side provided with conductive foam according to claim 3, characterized in that: The assembly side (32) is further provided with a plurality of limiting insertion rods (323) and / or mounting holes (326).
5. The vehicle antenna with step side provided with conductive foam according to claim 4, characterized in that: The mounting side (33) is provided with an outwardly extending positioning column (331). The positioning column (331) is provided with a wire passing hole (332) in communication with the interface cavity (322).
6. The vehicle antenna with step side provided with conductive foam according to claim 5, characterized in that: The inner side of the interface ring table two (21) of the assembling adapter ring seat (2) is provided with a through groove. The outer periphery of the through groove is provided with a sealing ring (22) for interfacing with the sealing groove (13) on the periphery of the interface ring table one (12). The periphery of the sealing ring (22) is provided with an isolation groove (23).
7. The vehicle antenna of claim 6, wherein: The two ends of the bottom plate body (31) are bent downward. The middle part is upwardly curved to form a curved surface structure.
8. The vehicle antenna with step side provided with conductive foam according to claim 7, characterized in that: The curvature of the plate material of the bottom plate body (31) is 3°30'~1°30'.
9. The vehicle antenna with step side provided with conductive foam according to claim 1, characterized in that: The vehicle-mounted antenna chassis (3) and / or the radome (1) are made of aluminum alloy.
10. The vehicle antenna with step side provided with conductive foam according to claim 1, characterized in that: One or more of the bottom plate body (31), the radome (1), and the assembling adapter ring seat (2) is provided with an identification code (5). The inside of the receiving cavity (11) is further provided with an outwardly extending plug-in locking head (16) for limiting the plug-in of the circuit board, and a plug-in rod (15) for interfacing with the vehicle-mounted antenna chassis (3).