WO2020022666A1

WO2020022666A1 - Waterproof structure of antenna for vehicle

Info

Publication number: WO2020022666A1
Application number: PCT/KR2019/008338
Authority: WO
Inventors: 박세영; 문상혁; 진기남
Original assignee: 주식회사 에이스테크놀로지
Priority date: 2018-07-25
Filing date: 2019-07-08
Publication date: 2020-01-30

Abstract

The present invention relates to a waterproof structure of an antenna for a vehicle, which is attached to a vehicle, and the present invention can effectively block moisture from being introduced into an antenna via various ways, prevent a bending deformation on the exterior of a vehicle and a damage to a case due to stress caused by a rubber pad during manufacturing and mounting on the vehicle, and, at the same time, reduce a manufacturing and a vehicle mounting cost.

Description

Waterproof structure of car antenna

The present invention relates to a waterproof structure of a vehicle antenna, and more particularly, to a waterproof structure of an antenna mounted on the outside of the roof top of a vehicle.

The vehicle antenna is generally implemented in a streamlined dome shape to reduce wind resistance when driving, and there are various types such as a shark type and a micro-pole type. The mechanical parts of the vehicle antenna are composed of an exterior design and an upper case (cover) for protecting the circuit inside the antenna, a lower case (base) on which the circuit of the antenna is seated, and a rubber pad to block the ingress of moisture into the vehicle. .

Three inflow paths of moisture that may flow into the antenna circuit disposed inside the antenna may be considered. First, moisture may flow into the interface where the upper case and the lower case of the antenna are coupled. Secondly, moisture can flow through the interface where the antenna and vehicle are coupled. Finally, moisture may be introduced along the fastening hole formed to insert the coupling member for coupling the upper case and the lower case.

Moisture flowing into the interface between the upper case and the lower case is brought into close contact with the case edge of the open lower case of the upper case and the watertight partition rib formed therein in the groove of the rubber pad coupled with the lower case, or by using an adhesive such as silicone. To prevent water from entering the antenna. However, in the watertight structure coupled to the groove of the rubber pad, there is a disadvantage in that the exact coupling and compression of the watertight bulkhead rib of the upper case is difficult. In addition, the bonding by the adhesive has a problem that not only the adhesive member is added, but also the process is difficult and the investment cost of the discharge equipment, the waste facility, etc. is incurred and the cost is not competitive.

In addition, the water flowing through the interface between the antenna and the vehicle forms a plurality of watertight ribs on the lower portion of the rubber pad, thereby compressing the watertight ribs on the vehicle, thereby preventing water from being introduced into the inside. In this case, the rubber pad compressive strength is higher than the rigidity of the vehicle roof, so that a bending deformation (dent) of the loop may occur.

Finally, the water flowing along the fastening hole formed to insert the coupling member for coupling the upper case and the lower case is formed to cover the upper surface of the fastening hole to block the inflow of water. However, when the rubber pad is formed up to the upper surface of the fastening hole and configured to block moisture, a thin rubber pad is inserted between the boss of the upper case and the lower case and the head and the lower case of the coupling member to excessively compress the elasticity. Lost. For this reason, the adhesiveness of a rubber pad falls, but the problem which the waterproof performance falls rather rather arises.

An object of the present invention is to effectively block the water flowing through the interface between the upper case and the lower case of the vehicle antenna coupled to the coupling hole is inserted into the coupling member and the moisture flows along the interface between the vehicle and the antenna of the vehicle to improve the waterproofness To provide a waterproof structure of a vehicle antenna that can be.

Another object of the present invention is to provide a waterproof structure of a vehicle antenna that can be stably coupled to the upper case and the lower case, and can prevent damage of the watertight bulkhead rib of the upper case.

Still another object of the present invention is to provide a waterproof structure of a vehicle antenna that can prevent the bending deformation of the vehicle's appearance by a rubber pad when the vehicle and the antenna of the vehicle are fastened.

Waterproofing structure of a vehicle antenna according to an embodiment of the present invention for achieving the above object is the upper case is formed in the form of a streamlined dome of the lower opening; A lower case having a substrate guide on which an antenna circuit board is disposed, the lower case being coupled to the upper case; And a lower case surrounding the lower case up to a side predetermined height of the substrate guide, and when the upper case and the lower case are coupled to each other, the lower case is in close contact with an inner side of the upper case to block water from entering the antenna circuit. A rubber pad having at least one watertight protrusion formed at a predetermined height of an outer side surface thereof; It includes.

According to another aspect of the present invention, there is provided a waterproof structure of an antenna for a vehicle, the upper case being formed in a streamlined dome shape with an open bottom, and a watertight partition rib formed therein; A lower case in which a groove-shaped case compression groove is formed at a position corresponding to the substrate guide on which the substrate of the antenna circuit is disposed and the watertight partition rib, and coupled to the upper case; And a rubber formed to surround the lower case to a side predetermined height of the substrate guide, and when the upper case and the lower case are coupled to each other, the rubber is in close contact with a lower end of the upper case to block water from entering the antenna circuit. pad; The rubber pad may include a partition-coupling planar portion having a planar shape in which a region corresponding to the case compression groove is formed relatively thick at a predetermined height from an upper surface of the lower case to be in close contact with the watertight partition rib. have.

Waterproofing structure of a vehicle antenna according to another embodiment of the present invention for achieving the above object is the upper case is formed in the form of a streamlined dome of the lower opening; A lower case having an antenna circuit disposed on an upper surface thereof and coupled to the upper case; And a rubber pad formed to surround the lower case and having a groove-shaped rib compression groove formed along an outer side of at least one watertight rib of the plurality of watertight ribs and a plurality of watertight ribs each having a closed loop structure on a lower surface thereof. ; It includes.

Waterproofing structure of a vehicle antenna according to another embodiment of the present invention for achieving the above object is the upper case is formed in the form of a streamlined dome of the lower opening; A lower case having an antenna circuit disposed on an upper surface thereof and coupled to the upper case; And a lower portion having a different thickness to surround the lower case, and a plurality of watertight ribs are formed on the lower surface, and ribs along an outer or inner portion of at least one watertight rib of the plurality of watertight ribs according to the thickness of the lower portion. A rubber pad in which a compression groove is formed; It includes.

The waterproof structure of the vehicle antenna according to another embodiment of the present invention for achieving the above object is inserted into the case fastening hole is protruded in the upper direction around the case fastening hole and the case fastening hole is inserted into the case coupling member. A lower case for guiding the case coupling member and having a guide boss having a multi-stage structure at its side; The lower part is formed in a streamlined dome shape and is coupled to the lower case by the case coupling member, and protrudes in the lower case direction at a position corresponding to the guide boss in the dome shape to penetrate the case fastening hole. An upper case having at least one boss for guiding the case coupling member to be inserted into the upper case; And a rubber pad formed to surround the lower case except for the upper surface of the case fastening hole and the guide boss. The rubber pad may include a boss watertight protrusion protruding by a predetermined height from an upper surface of the guide boss on the side of the guide boss having a multi-stage structure.

The waterproof structure of the vehicle antenna according to another embodiment of the present invention for achieving the above object is to guide the case coupling member is inserted into the case coupling hole and the case coupling hole is inserted into the case coupling member and the lower surface A lower case in which a guide groove having a groove shape surrounding the case fastening hole and a guide groove protrusion protruding from the guide groove adjacent to the case fastening hole are formed; An upper case formed in a streamlined dome shape having an open lower portion and coupled to the lower case by the case coupling member; And a rubber pad formed to surround the lower case except for the lower surface of the case fastening hole and the guide groove protrusion. The rubber pad may include a coupling member watertight groove which protrudes by a predetermined height from the lower surface of the guide groove protrusion in the guide groove.

Therefore, the waterproof structure of the vehicle antenna according to the embodiment of the present invention is introduced through the coupling portion between the vehicle and the vehicle antenna and the moisture introduced into the interior through the coupling hole is inserted into the interface and the coupling member is coupled to the upper case and the lower case. Effective blocking can improve waterproofness.

In addition, when the upper case and the lower case are combined, the upper case or the lower case can be prevented from being damaged by the stress of the rubber pad, and the waterproof rib formed on the lower surface of the rubber pad can naturally face the outer direction to contact the vehicle. It is possible to prevent the bending deformation to occur in the vehicle exterior.

1 is an exploded perspective view of a vehicle antenna according to an embodiment of the present invention.

FIG. 2 shows a detailed structure of the upper case of FIG. 1.

3 illustrates a detailed structure of the lower case of FIG. 1.

4 and 5 show the detailed structure of the rubber pad of FIG.

6 shows a part of a cross sectional view of the antenna of FIG. 1;

Figure 7 shows in detail the close contact structure of the rubber pad and the watertight bulkhead rib formed on the case compression groove when the upper case and the lower case is coupled.

8 and 9 show changes in watertight rib shape before and after the vehicle is mounted by the rib compression groove.

FIG. 10 is a view illustrating a waterproofing structure of a case fastening hole waterproof structure of an antenna according to an exemplary embodiment of the present invention.

11 is a view for explaining a water inflow path of the vehicle antenna and a blocking structure thereof according to an embodiment of the present invention.

12 illustrates the internal structure of the watertight protrusion and the upper case according to another embodiment of the present invention.

Figure 13 shows the structure of a rib compression groove according to another embodiment of the present invention.

14 to 16 illustrate an assembly process of a vehicle antenna according to an embodiment of the present invention.

In order to fully understand the present invention, the operational advantages of the present invention, and the objects achieved by the practice of the present invention, reference should be made to the accompanying drawings which illustrate preferred embodiments of the present invention and the contents described in the accompanying drawings.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. As those skilled in the art would realize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the present invention. In addition, in order to clearly describe the present invention, parts irrelevant to the description are omitted, and the same reference numerals in the drawings indicate the same members.

Throughout the specification, when a part is said to "include" a certain component, it means that it may further include other components, without excluding other components unless otherwise stated. In addition, the terms "... unit", "... group", "module", "block", etc. described in the specification mean a unit for processing at least one function or operation, which is hardware or software or hardware. And software in combination.

1 is an exploded perspective view of a vehicle antenna according to an embodiment of the present invention, Figures 2 and 3 show the detailed structure of the upper case, lower case of Figure 1, respectively, Figures 4 and 5 of Figure 1 Detailed structure of the upper and lower parts of the rubber pad is shown. 6 illustrates a part of a cross-sectional view of the antenna of FIG. 1, and FIG. 7 illustrates a close contact structure of a rubber pad and a watertight barrier rib formed on a case compression groove when the upper case and the lower case are coupled to each other. And FIG. 9 shows watertight rib shape changes before and after vehicle mounting by the rib compression grooves.

In the present embodiment, a shark antenna is illustrated as an example of a vehicle antenna, and the sak antenna is an upper case UC, an antenna circuit ATC, a lower case DC, and a rubber pad PAD, as shown in FIG. 1. ).

Referring to FIGS. 1 and 2, the upper case UC is empty to minimize air resistance while driving the vehicle and to arrange the antenna circuit ATC therein to protect the antenna circuit ATC from the external environment. Is implemented in the form of a streamlined dome, it may have a structure in which the lower portion is open so that the lower case (DC) can be coupled. The upper case UC may be made of, for example, a material of a plastic polymer compound such as polycarbonate (PC) and acrylonitrile-butadiene-styrene copolymer (PC + ABS).

And the upper case (UC) using a case coupling member (CSCR) such as a screw (screw) to be coupled to the lower case (DC), the boss (case) is inserted into the thread forming a thread ( BO) can be formed. In particular, in the present embodiment, the boss BO is formed at a position corresponding to the guide boss GBO formed so that the case coupling member CSCR is inserted in the lower case DC. In particular, in the present embodiment, the boss BO is formed at a position corresponding to the guide boss GBO formed in the lower case DC, so that the guide boss GBO is coupled to the upper case UC and the lower case DC. Can be contacted.

And when coupled to the lower case (DC) by the case coupling member (CSCR), the case edge (CEG) formed on the lower edge open from the upper case (UC) is coupled in the form of applying pressure to the rubber pad (PAD) Can be. As a result, water flowing into the antenna ANT from the outside may be blocked. However, even when the case edge CEG is coupled in the form of applying pressure to the rubber pad PAD, a uniform pressure may not be applied in all regions where the case edge CEG and the rubber pad PAD contact each other.

The case edge CGE and the rubber pad PAD have tolerances in manufacturing, and in particular, the rubber pad PAD is a material that is likely to shrink after manufacturing. This shrinkage may be different at each position depending on the shape of the rubber pad PAD. Accordingly, the pressure applied by the case edge CEG to the rubber pad PAD may not be uniform, and in some cases, an area in which the case edge CEG does not contact the rubber pad PAD may be generated. .

In addition, even when the case edge CEG and the rubber pad PAD are in contact at all positions, when the bottom surface of the case edge CEG is made flat, there is a possibility that water is introduced in accordance with the curvature of the edge portion.

In order to prevent such a problem, in this embodiment, as shown in FIG. 2, the attachment ACU is formed on the outer side of the case edge CEG of the upper case UC. When the upper case UC and the lower case DC are coupled, the attachment ACU formed on the outer side of the case edge CEG penetrates the area of the rubber pad PAD to apply pressure. Therefore, the compression rate of the rubber pad PAD is increased than when the bottom surface of the case edge CEG is flat. As a result, the elasticity of the rubber pad PAD is increased, and as a result, it is possible to more reliably block water inflow through the contact portion of the case edge CEG and the rubber pad PAD. In addition, tolerances in the manufacturing process of the upper case UC and the rubber pad PAD may be allowed.

In addition, in the upper case UC according to the present embodiment, a watertight partition rib WBR is further formed in an empty space therein. The watertight barrier rib WBR may be formed in a shape corresponding to the substrate guide SGD of the lower case DC to be described later. For example, the watertight bulkhead rib WBR is formed along an outer shape of the substrate guide SGD of the lower case DC, and when the upper case UC and the lower case DC are coupled to each other, an outer portion of the substrate guide SGD is formed. It may be formed to surround.

In particular, the watertight barrier rib WBR contacts the corresponding region of the rubber pad PAD in the upper case UC when the upper case UC and the lower case DC are coupled to each other, thereby forming a substrate. The inflow of moisture to the antenna circuit ATC disposed on the guide SGD may be further prevented.

On the other hand, the antenna circuit (ATC) is a portion that transmits and receives a radio signal to function as an actual antenna, and may include a substrate and a plurality of circuit elements and antenna elements disposed on the substrate. In particular, the antenna circuit (ATC) may include a variety of circuit elements and antenna elements to transmit and receive radio signals of various communication methods other than a specific communication method. The antenna circuit ATC may be fixedly coupled to a designated position of the lower case DC.

Hereinafter, the lower case DC will be described with reference to FIGS. 1 and 3.

The lower case DC mounts and fixes the antenna circuit ATC to the inside of the antenna ANT. The lower case DC may be formed of a metal material such as aluminum or zinc so as to stably support the antenna circuit ATC.

A substrate guide SGD is formed on the upper portion of the lower case DC to designate a mounting position of the antenna circuit ATC, and the substrate guide may be stably mounted and fixed to the substrate guide SGD. The protrusion SGB and the substrate fastening hole SLH may be formed. The substrate fastening hole SLH is a substrate coupling member such that the substrate SUB on which various circuit elements of the antenna circuit ATC are arranged is coupled to the lower case DC by using a substrate coupling member (not shown) such as a screw. Means a hole to be inserted.

In the present embodiment, the substrate guide SGD may have a stepped outer surface. The substrate guide SGD is formed in a stepped structure in order to limit a region in which the rubber pad PAD described later is formed in the substrate guide SGD.

In addition, a case fastening hole CLH through which the case coupling member CSCR penetrates may be formed in the lower case DC. The case fastening hole CLH is formed corresponding to the position of the boss BO formed in the upper case UC, and is formed with a diameter smaller than the head diameter of the case coupling member CSCR, so that the head of the case coupling member CSCR is formed. Do not penetrate. As shown in FIG. 1, the case coupling member CSCR is inserted into and fastened to the boss BO of the upper case UC through the case coupling hole CLH of the lower case DC, thereby connecting with the lower case DC. The upper case UC may be combined.

At a position corresponding to the case fastening hole CLH on the upper surface of the lower case DC, the guide boss GBO is formed to protrude in a cylindrical shape surrounding the case fastening hole CLH. The guide boss GBO serves as a guide to prevent the case coupling member CSCR inserted through the case fastening hole CLH from being inserted into the boss BO of the upper case UC in a twisted direction. Rather, the boss BO of the upper case UC is supported to prevent breakage by the case coupling member CSCR.

In particular, the guide boss (GBO) according to the present embodiment may be formed in a multi-stage structure of the outer surface of the cylindrical, as shown enlarged on the bottom and right of FIG. That is, the cylindrical guide boss (GBO) may be formed to have different sizes of the upper outer diameter and the lower outer diameter. At this time, the lower outer diameter of the guide boss (GBO) may be formed to be greater than the outer diameter of the boss (BO), the upper outer diameter is formed to be smaller than the outer diameter of the boss (BO). That is, the upper surface of the cylindrical guide boss (GBO) is formed narrower than the lower surface of the boss (BO).

When the upper case UC and the lower case DC are coupled to each other, the boss watertight protrusion BWB of the rubber pad PAD is formed to surround the guide boss GBO, together with the guide boss GBO. This is to be in close contact with the lower surface of the boss (BO) of the UC).

A guide groove GDG is formed on the lower surface of the lower case DC to surround the case fastening hole CLH. The guide groove GDG guides the case coupling member CSCR inserted in the lower surface direction of the lower case DC, and is formed to prevent the head of the coupling member CSCR from protruding outward from the lower surface of the lower case. .

In particular, the guide groove protrusion GGB having a structure protruding along the outer boundary of the case fastening hole CLH is formed in the guide groove GDG according to the present embodiment. The guide groove protrusion GGB contacts the head of the case coupling member CSCR together with the coupling member watertight groove SWG of the rubber pad PAD, which will be described later, and serves to prevent the coupling member CSCR from being inserted anymore. At the same time, the coupling member watertight groove (SWG) of the rubber pad (PAD) formed in the guide groove (GDG) to secure a space to maintain elasticity.

Here, the outer diameter of the guide groove protrusion GGB is smaller than the outer diameter of the head of the case coupling member CSCR, and the inner diameter of the guide groove GDG is formed to exceed the head outer diameter of the case coupling member CSCR. Therefore, when the case coupling member CSCR is inserted, the coupling member watertight groove SWG of the rubber pad PAD formed inside the guide groove GDG is formed together with the guide groove protrusion GGB of the case coupling member CSCR. Close to the head.

In addition, a plurality of through holes TH may be formed in the lower case DC to increase the bonding force with the rubber pad PAD formed to surround the outer case of the lower case DC.

In addition, a fastening member may be formed in the lower case DC to fix the antenna ANT to the vehicle. For example, the fastening member may be formed as a columnar fastener LH in which threads are formed as shown in FIG. 5. The fastener LH of the lower case DC is inserted into the vehicle through the antenna hole prepared in advance in the vehicle, and the inserted fastener LH is fastened to the nut in the vehicle to fix the antenna ANT to the vehicle. Can be.

That is, the lower case DC may be coupled to the antenna circuit ATC and the upper case UC by using the substrate coupling member SSCR and the case coupling member CSCR, and may be coupled to the antenna using the fastener LH. ANT) can be mounted on the vehicle.

In addition, a wired line is provided in the lower case DC so that the antenna circuit ATC can transmit or receive a signal to the vehicle through the lower case DC, and the power supply voltage and the ground voltage can be supplied to the antenna circuit ATC. The cable hole CH may be further formed to pass therethrough.

Meanwhile, in the lower case DC according to the embodiment of the present invention, the case compression groove CCF may be formed along the outer shape of the substrate guide SGD. The case compression groove CCF is formed in a position and shape corresponding to the watertight bulkhead rib WBR formed in the upper case UCC. The case compression groove CCF is to make the thickness of the rubber pad PAD formed in the corresponding area thicker than other areas. Detailed functions of the case compression groove (CCF) will be described later.

The rubber pad PAD is formed to surround the entire exterior of the lower case DC except for a predetermined portion of the lower case DC, and when the upper case UC and the lower case DC are combined, the upper case UC or the lower case is combined. The DC is prevented from being damaged and moisture is prevented from flowing into the antenna along the interface between the upper case UC and the lower case DC.

The rubber pad PAD is manufactured by, for example, a lower case DC and an insert injection molding method, and may be integrally formed with the lower case DC. In this case, the insert-pad rubber pad PAD is formed and fixed in a form through which the injected rubber penetrates the through-hole TH formed in the lower case DC, thereby fixing the coupling force between the rubber pad PAD and the lower case DC. After raising, the rubber pad PAD may be formed so as not to be separated from the lower case DC. In FIG. 4 and FIG. 5, the rubber pad PAD is illustrated as being integrally coupled with the lower case DC.

The rubber pad (PAD) may be composed of, for example, soft vulcanized rubber having a hardness of 50 to 70 degrees, such as EPDM (Ethylene Propylene Diene Monomer) and TPE (Thermoplastic Elastomer).

4 and 9, the rubber pad PAD is formed to surround the entire exterior of the lower case DC, but the upper portion of the substrate guide SGD is not covered. That is, it is formed to the outer side surface of the board | substrate guide SGD.

The upper portion of the edge formed along the side of the lower case DC in the rubber pad PAD formed to surround the outside of the lower case DC corresponds to the lower end of the case edge CEG of the upper case UC. The case coupling plane portion CLPA is formed in position. The case coupling plane portion CLPA has a lower end of the case edge CEG of the upper case UC due to the pressure generated by the case coupling member CSCR when the upper case UC and the lower case UC are coupled to each other. Stable close contact prevents water from penetrating into antenna (ANT).

In particular, in the present embodiment, as described above, the attachment ACU is formed on the outer side of the case edge CEG of the upper case UC. As in FIG. 6, the attachment ACU of the case edge CEG exerts a relatively high pressure at the corresponding position of the case mating plane portion CLPA. As a result, the compression ratio of the rubber pad PAD increases at a position corresponding to the attachment ACU in the case coupling plane portion CLPA, thereby increasing elasticity, thereby effectively blocking water inflow from the outside.

Also, when the same pressure is applied, the case edge CEG can be pressed deeper than the case where the attachment ACU is not formed in the case edge CEG, so that the upper case UC and the rubber pad PAD are applied. Even if the tolerance in the manufacturing process increases, water inflow can be easily blocked. In other words, the tolerance can be increased.

The rubber pad PAD is formed flat on the upper surface of the lower case DC. In the present embodiment, the rubber pad PAD is formed on the upper surface of the lower case DC. Is called. The partition coupling plane portion BLPA is formed to have a predetermined height from an upper surface of the lower case DC. For example, the barrier rib coupling plane BLPA may be formed along the outer edge of the substrate guide SGD at a lower height of the substrate guide SGD having a multi-stage structure.

In addition, when the upper case UC and the lower case DC are coupled to each other, the partition coupling flat portion BLPA formed along the outer side of the substrate guide SGD may receive pressure from the watertight barrier rib WBR formed in the upper case UC. By being applied and compressed, the elasticity is increased and additionally blocks moisture from entering the antenna circuit ATC, similar to the case edge CEG.

However, when the height of the barrier rib coupling plane BLPA is not constant or the pressure applied by the watertight barrier rib WBR is not uniform, moisture may flow into the antenna circuit ATC. In addition, the stress of the rubber pad PAD to which pressure is applied greatly may cause the watertight bulkhead rib WBR to break. If the watertight bulkhead rib (WBR) is broken, watertight performance may deteriorate and water may flow into the antenna circuit (ATC).

Accordingly, the partition coupling flat portion BLPA is formed in a plane having a predetermined height from the upper surface of the lower case DC to receive a uniform and stable pressure from the watertight bulkhead rib WBR, so that moisture is transferred to the antenna circuit ATC. Do not enter. That is, water is prevented from penetrating into the boundary between the watertight partition rib WBR and the partition mating plane portion BLPA of the rubber pad PAD.

However, the thickness of the barrier rib coupling flat portion BLPA formed on the upper surface of the lower case DC in the rubber pad PAD should be adjusted in consideration of the manufacturing cost and the stability of the watertight barrier rib WBR.

If the thickness of the partition coupling plane portion BLPA is thick, even if the compressibility of the rubber pad PAD is high, the stress is small, thereby reducing the possibility of breakage of the watertight partition ribs WBR, and effectively blocking moisture infiltration. However, it is inefficient to increase the thickness of the entire large area of the bulkhead coupling plane portion BLPA.

On the other hand, when the thickness of the partition wall plane portion BLPA is thin, the compressibility of the rubber pad PAD may be small, which may damage the watertight partition ribs WBR.

Accordingly, in the present embodiment, the case compression groove CCF is formed at a position corresponding to the watertight bulkhead rib WBR in the lower case DC. And the rubber pad (PAD) is maintained in the plane even in the position corresponding to the case compression groove (CCF) in the partition coupling plane portion (BLPA) as shown in FIG. That is, the thickness of the rubber pad PAD in the region where the case compression groove CCF is formed in the partition coupling plane portion BLPA may be formed relatively thicker than other regions.

7 shows a state before the watertight bulkhead rib WBR applies pressure to the rubber pad PAD in a state before the upper case UC and the lower case DC are coupled, and the middle figure shows the upper case. An intermediate state in which the UC and the lower case DC are coupled is illustrated, and the right figure shows a coupled state in which the upper case UC and the lower case DC are completely coupled.

Referring to the left side of FIG. 7, the rubber pad PAD according to the embodiment of the present invention has a compression groove CCF in a state in which pressure is not applied even though the case compression groove CCF is formed in the lower case DC. ) Maintain the same height as the unformed area. That is, the plane is maintained as part of the partition wall plane portion BLPA. This means that the area corresponding to the case compression groove CCF in the partition coupling plane portion BLPA of the rubber pad APD is formed thicker than the remaining areas.

In the middle drawing, as the upper case UC and the lower case DC are coupled, the watertight bulkhead rib WBR comes into close contact with the rubber pad PAD, thereby applying pressure to the rubber pad PAD. Shape change occurs. That is, the compression rate is increased.

At this time, since the case compression groove CCF of the lower case DC is formed to correspond to the watertight bulkhead rib WBR, a region where the thickness is thick in the bulkhead coupling plane portion BLPA of the rubber pad PAD is a watertight bulkhead rib WBR. Corresponding to the region to which pressure is applied.

As shown in the right figure, when the upper case UC and the lower case DC are completely coupled, the compression ratio of the rubber pad PAD is greatly increased, and the watertight bulkhead rib WBR and the rubber pad PAD are completely. Close contact. That is, the rubber pad PAD is in close contact with the watertight bulkhead ribs WBR at a high compressibility due to the thickened thickness, thereby more reliably blocking the inflow of water. However, as the thickness of the rubber pad PAD is increased, the stress applied to the watertight bulkhead rib WBR in the rubber pad PAD does not increase significantly compared to the compressibility.

Therefore, it is possible to prevent breakage by reducing the stress applied to the watertight bulkhead rib WBR without increasing the overall thickness of the partition wall plane portion BLPA. In addition, by increasing the compression ratio of the rubber pad (PAD) it can effectively block the inflow of moisture.

In addition, the watertight bulkhead rib WBR of the upper case UC applies pressure to the case compression groove CCF of the lower case DC through the rubber pad PAD, so that the lower case coupled with the rubber pad PAD ( DC) fluidity can be minimized. That is, the lower case DC may also be fixed by the watertight partition ribs WBR.

In addition, a watertight protrusion WB may be further formed on the rubber pad PAD along a side surface between the partition wall coupling plane portion BLPA and the case coupling plane portion CLPA.

In the present exemplary embodiment, the rubber pad PAD is formed on the upper surface of the lower case DC, and the partition coupling flat portion BLPA is formed lower than the upper surface of the lower case DC. In some cases, the lower case DC may be lower than the lower surface of the lower case DC. That is, there is a height difference between the partition wall coupling plane portion BLPA and the case coupling plane portion CLPA, and the watertight protrusion WB has an inner side surface of the upper case UC when the upper case UC and the lower case DC are coupled to each other. It may be formed at a predetermined height between the partition wall coupling plane portion (BLPA) and the case coupling plane portion (CLPA) to be in close contact with.

As shown in FIG. 4, the upper watertight protrusion WB is connected to the inner side of the upper case UC when the upper case UC and the lower case DC are coupled to each other. Allow extra water to flow into

The watertight protrusion WB allows the upper case UC to be stably coupled with the rubber pad PAD even if the side shape of the rubber pad PAD and the inner side shape of the upper case UC do not correspond exactly. That is, even if the inner shape of the upper case UC and the shape of the side surface of the rubber pad PAD are not exactly matched, the upper case UC and the rubber pad PAD may be closely attached to each other. Therefore, the tolerance in the manufacturing process of the upper case UC can be raised.

In addition, since the rubber is elastic, the upper case UC and the lower case DC may be coupled to each other, thereby reducing damage to the upper case UC, which may occur in the coupling pressure.

In FIG. 4, as an example, the watertight protrusion WB is formed in a single line shape along the side surface between the case coupling plane portion CLPA and the partition coupling plane portion BLPA, but the watertight protrusion WB is formed at an upper portion thereof. A configuration for preventing water from flowing along the junction with the case UC may be formed in a plurality of locations. At this time, the watertight protrusion (WB) may be formed in a position and shape corresponding to the shape of the inner surface or the edge of the upper case (UC) to easily block the inflow of moisture.

Meanwhile, the rubber pad PAD according to the embodiment of the present invention has an annular boss watertight protrusion (BWB) along the upper edge of the guide boss GBO having a multi-stage structure on the upper surface as shown in an enlarged view shown in the lower right of FIG. 4. ) Is formed. Since the boss watertight protrusion BWB is formed along the upper edge of the guide boss GBO, the upper surface of the guide boss GBO is opened without being covered by the rubber pad PAD.

As described above, since the upper outer diameter of the guide boss GBO formed on the lower case DC is smaller than the outer diameter of the boss BO formed on the upper case UC, the upper case UC and the lower case DC. When is combined, the boss watertight projection (BWB) is in close contact with the lower surface of the boss (BO) of the upper case (UC), it is compressed by the pressure by the fastening force of the coupling member (CSCR). In this case, the boss watertight protrusion BWB may be compressed until the lower surface of the boss BO contacts the upper surface of the guide boss GBO.

Since the outer surface of the guide boss (GBO) is formed in a multi-stage structure, the rubber pad (PAD) formed with the boss watertight protrusion (BWB) can maintain the elasticity, even if compressed, can be in close contact with the boss (BO). That is, the boss watertight protrusion (BWB) can block the moisture from flowing into the antenna (ANT) through the case fastening hole (CLH).

In addition, the rubber pad PAD according to the embodiment of the present invention may be formed as the coupling member watertight groove SWG in the guide groove GDG formed in the lower case DC, as shown in the enlarged right side of FIG. 5. Can be. At this time, the coupling member watertight groove (SWG) is formed to surround the outside of the guide groove protrusion (GGB), is formed to protrude than the guide groove protrusion (GGB). Therefore, in the enlarged right view of FIG. 5, the coupling member watertight groove SWG is formed higher than the guide groove protrusion GGB in the guide groove GDG.

As described above, since the outer diameter of the guide groove protrusion GGB is formed smaller than the outer diameter of the head of the case coupling member CSCR, when the coupling member CSCR is inserted into the guide groove GDG and fastened, the case coupling member The head of the CSCR is first in close contact with the coupling member watertight groove SWG rather than the guide groove protrusion GGB, and is compressed according to the pressure by the fastening force of the coupling member CSCR. The coupling member watertight groove SWG may be compressed until the head contacts the lower surface of the guide groove protrusion GGB.

The coupling member watertight groove (SWG) can maintain the elasticity by the space formed by the guide groove protrusion (GGB) in the guide groove (GDG), so that the water flowing along the interface with the head of the case coupling member (CSCR) You can block. That is, it is possible to prevent water from flowing into the case fastening hole CLH.

Therefore, in the present example, when the upper case UC and the lower case DC are fastened by the coupling member CSCR, moisture that may flow through the case fastening hole CLH into which the coupling member CSCR is inserted is provided. By using the boss watertight projection (BWB) and the coupling member watertight groove (SWG) to be effectively blocked.

In addition, as illustrated in FIG. 5, a plurality of watertight ribs WR1 to WR3 may be formed on the lower surface of the rubber pad. The plurality of watertight ribs WR1 to WR3 allow the antenna ANT to be mounted in close contact with the vehicle when the antenna ANT is coupled to the vehicle, and moisture is accumulated along the interface between the antenna ANT and the vehicle. To prevent ingress. In addition, the appearance of the vehicle and the antenna are matched to minimize the damage to the appearance of the vehicle due to the mounting of the antenna.

The watertight ribs WR1 and WR2 disposed on the outer side of the plurality of watertight ribs WR1 to WR3 may be formed in different sizes of shapes corresponding to the shape of the bottom surface of the rubber pad PAD. However, the watertight rib WR3 formed inside the bottom surface of the rubber pad PAD may be formed regardless of the shape of the bottom surface of the rubber pad PAD. For example, in FIG. 4, the third watertight rib WR3 is formed in a shape corresponding to the outer shape of the substrate guide SGD.

However, the plurality of watertight ribs WR1 to WR4 may be formed in a closed loop structure on the lower surface of the rubber pad PAD to block water introduced into the inside.

The plurality of watertight ribs WR1 to WR3 are gradually narrowed at the lower end thereof so that the antenna ANT is easily bent by the pressure applied in the vertical direction of the lower surface of the rubber pad PAD when the antenna ANT is coupled to the vehicle. Loss may be formed in the form.

In addition, the plurality of watertight ribs WR1 to WR3 must be bent outwardly from the bottom surface of the rubber pad PAD to prevent water from entering therein. Accordingly, the watertight ribs WR1 to WR3 may be formed to have a predetermined angle in the outer surface direction so as to be easily bent in the outer direction. The plurality of watertight ribs WR1 to WR3 may be formed to have different angles and lengths, and the plurality of watertight ribs WR1 to WR3 may be formed to have different angles and lengths depending on positions. This is because the exterior surface of the vehicle on which the antenna ANT is mounted is often not flat.

On the other hand, the waterproof performance by the plurality of watertight ribs WR1 to WR3 is improved as the compression ratio indicating the shape change of the rubber due to pressure is higher. However, to increase the watertight ribs (WR1 to WR3) by increasing the thickness of the watertight ribs (WR1 to WR3) or increasing the pressure of the watertight ribs (WR1 to WR3) by increasing the pressure in the bottom direction on the rubber pad (PAD), Although the WR1 to WR3 are formed to be bent in the outward direction, bending deformation (dent) may occur on the engaging surface of the vehicle due to the elasticity of the watertight ribs WR1 to WR3. Therefore, there is a limit to increasing the watertight rib waterproofing performance.

In addition, when the water-tight ribs WR1 to WR3 are formed too thin, the elasticity is insufficient and the waterproof performance is lowered. That is, when the watertight ribs WR1 to WR3 are formed to bend easily even at low pressure, the waterproof performance is lowered.

However, in the rubber pad PAD according to the present embodiment, rib compression grooves PCF are formed along an outer line of at least one watertight rib among the plurality of watertight ribs WR1 to WR3. As the rib compression groove (PCF) is formed, the watertight rib has a space that can be bent in the outward direction. In addition, the thickness of the rubber pad PAD of the region where the rib compression groove PCF is formed is thinner than that of the rest of the lower surface. Therefore, the watertight ribs (where the third watertight rib WR3), in which the rib compression grooves PCF are formed, have a lower elasticity than the case where the rib compression grooves PCF are not formed even though the compression ratio due to pressure is increased. Will have Therefore, it does not cause bending deformation in the vehicle while improving waterproof performance.

Referring to FIG. 6, in this embodiment, rib compression grooves PCF are formed only at the outer side of the third watertight ribs WR3 among the first to third watertight ribs WR1 to WR3.

In the case of the first watertight rib WR1, the watertight rib formed at the outermost side of the lower surface of the rubber pad PAD, and since there is no space at the outer portion, the rib compression groove PCF cannot be formed. However, as the first watertight rib WR1 is disposed at the outermost side of the rubber pad PAD, the end may be formed to face the outer direction of the rubber pad PAD. When the end is formed so as to face the outward direction of the rubber pad (PAD), although the compression ratio is lowered, it does not cause bending deformation in the vehicle. That is, although the rib compression groove PCF may not be formed in the first watertight rib WR1, the first watertight rib WR1 is formed to face the pad bottom outward at a predetermined angle so as not to cause bending deformation in the vehicle.

On the other hand, the second watertight rib WR2 is formed at a position corresponding to the case edge CEG of the upper case UC on the lower surface of the rubber pad PAD. The position in close contact with the case edge CEG of the upper case UC in the rubber pad PAD corresponds to the case joining plane portion CLPA, and as shown in FIG. 6, the case joining plane in the rubber pad PAD. The thickness t1 of the portion CLPA is thinner than the thickness t2 in other regions.

Therefore, the thickness t1 of the outer side of the second watertight rib WR2 on the lower surface of the rubber pad PAD is thinner than the thickness t2 of the inner side, so that the second watertight rib WR2 is easily bent in the lower outward direction. Can be. That is, since the outer side of the second watertight rib WR2 on the lower surface of the rubber pad PAD has a structure similar to that of the rib compression groove PCF, the rib compression groove PCF does not need to be formed.

In the present embodiment, the rib compression groove PCF may be selectively formed according to the structure of the rubber pad PAD instead of being formed at the outer periphery of all the watertight ribs WR1 to WR3. In particular, since the case bonding flat portion CLPA is thinner than other regions at the lower portion of the rubber pad PAD, the ribs are formed on the watertight ribs WR1 and WR2 formed in the region corresponding to the case bonding flat portion CLPA. Compression groove (PCF) may not be formed.

8 and 9, in the present exemplary embodiment, rib compression grooves are formed along the outer surface of at least one of the watertight ribs WR3 and WR4 among the plurality of watertight ribs WR1 to WR4 on the lower surface of the rubber pad PAD. By forming the PCF, it can be seen that the shape change of the watertight ribs WR3 and WR4 occurs before and after the vehicle is mounted on the antenna ANT than when the rib compression groove PCF is not formed. That is, since the rib compression groove PCF is formed, the compression ratio of the watertight ribs WR3 and WR4 may be increased, and at the same time, the bending deformation of the loop that may be caused by the elasticity of the watertight ribs may be minimized.

As a result, while the waterproof performance of the antenna ANT is improved, bending deformation can be prevented from occurring in the vehicle. In addition, as the watertight ribs WR1 to WR4 are formed to bend outwardly from the lower surface of the rubber pad PAD, the direction of the watertight ribs is directed inward in the fastening process for mounting the antenna ANT to the vehicle. This can reduce the likelihood of errors occurring. This may improve the convenience of the fastening process of mounting the antenna ANT on the vehicle.

In addition, the lower surface of the rubber pad PAD is coupled to connect the case fastening hole CLH and the antenna ANT formed in the lower case DC to the vehicle to couple the upper case UC and the lower case DC to the vehicle. A vehicle fastening hole (DOH of FIG. 14) may be formed in a region corresponding to the sphere LH and the cable hole CH.

10 is a view showing before and after the upper case UC and the lower case DC are combined in the waterproof structure of the conventional antenna, the right view is an upper portion in the antenna waterproof structure according to an embodiment of the present invention FIG. 3 is a diagram illustrating before and after the case UC and the lower case DC are coupled to each other.

Looking at the left side of Figure 10, in the conventional antenna structure is formed up to the upper surface of the guide boss (GBO), and is formed to the lower surface of the guide groove protrusion (GGB). Therefore, even when the upper case UC and the lower case DC are coupled, the lower surface of the boss BO and the upper surface of the guide boss GBO do not directly contact each other, and the head of the case fastening member CSCR is guided. There is no direct contact with the groove projections (GGB). Therefore, it is difficult to uniformly adjust the insertion degree of the case fastening member CSCR during the coupling process of the upper case UC and the lower case DC.

If the upper case UC and the lower case DC are excessively coupled by the coupling member CSCR, the rubber having a thin thickness formed on the upper surface of the guide boss GBO and the lower surface of the guide groove protrusion GGB. The pad PAD may not function as an elastic body due to excessive pressure. Therefore, the rubber pad PAD may not be in close contact with the lower surface of the boss BO and the head of the case fastening member CSCR, and the rubber pad PAD formed on the lower surface of the guide groove protrusion GGB is rotated and inserted. It may be broken or distorted in a non-uniform form by the head rotational force of the case fastening member (CSCR), such as a screw, which can be a path for water to be introduced.

In contrast, when the upper case UC and the lower case DC are weakly coupled, the rubber pad PAD formed on the upper surface of the guide boss GBO and the lower surface of the guide groove protrusion GGB is not sufficiently compressed. Do not. Therefore, moisture may flow in.

Meanwhile, referring to the right figure, in the antenna ANT according to the present embodiment, the rubber pad PAD surrounds the upper edge of the guide boss GBO and the lower edge of the guide groove protrusion GGB, and the guide boss GBO. The boss watertight protrusion (BWB) and the coupling member watertight groove (SWG) is formed so as to protrude from the upper surface and the lower surface of the guide groove protrusion (GGB).

Since the rubber pad PAD is formed of the boss watertight protrusion (BWB) and the coupling member watertight groove (SWG) on the outer edge of the upper surface of the guide boss (GBO) and the lower surface of the guide groove protrusion (GGB), the upper case (UC) When the lower case DC and the lower case DC are coupled to each other, the lower surface of the boss BO and the upper surface of the guide boss GBO are directly in contact with each other, and the lower surface of the guide groove protrusion GGB is formed of the case fastening member CSCR. Direct contact with the head

Therefore, the insertion strength of the case fastening member CSCR is always uniform at the time of joining the upper case UC and the lower case DC. Therefore, the boss watertight protrusion (BWB) and the coupling member watertight groove (SWG) formed to protrude from the upper surface of the guide boss (GBO) and the lower surface of the guide groove protrusion (GGB) can be compressed at a uniform pressure and maintain the required elasticity. have.

As a result, the boss watertight protrusion (BWB) can be in close contact with the lower surface of the boss (BO), the coupling member watertight groove (SWG) can be in close contact with the head of the fastening member (CSCR), the case fastening hole (CLH) It can reliably block the incoming water.

As shown in FIG. 11, the moisture is formed at the interface where the upper case UC and the lower case DC of the antenna ANT are coupled, the interface at which the antenna ANT is coupled to the vehicle, and the upper case UC. It may flow along the case fastening hole CLH formed to insert the coupling member CSCR for coupling the lower case DC.

First, a structure of blocking water flowing along an interface where the upper case UC and the lower case DC are coupled to each other will be described. In the present embodiment, the case coupling plane portion CLPA is formed on the rubber pad PAD, and an attachment ACU is formed below the case edge CEG of the upper case UC, whereby the case edge CEG is attached. The ACU is coupled by applying a relatively high pressure to the corresponding position of the case mating plane portion CLPA. Therefore, the compression ratio of the case coupling plane portion CLPA of the rubber pad PAD is increased to be in close contact with the upper case UC, thereby primarily blocking the inflow of moisture.

In addition, a watertight protrusion WB is formed on a side surface of the rubber pad PAD between the case coupling plane portion CLPA and the partition coupling plane portion BLPA, and is closely attached to the inner surface of the upper case UC. The watertight protrusion WB in close contact with the inner side surface of the upper case UC may secondarily block moisture introduced into the upper case UC.

In addition, the watertight partition rib (WBR) of the upper case (UC) and the partition wall of the partition (BLPA) of the rubber pad (PAD) can be blocked by the third water.

In this case, since the case compression groove CCF is formed at a position corresponding to the watertight partition rib WBR of the upper case UC, the case compression is performed at the partition coupling plane portion BLPA of the rubber pad PAD. It is formed thicker in the region corresponding to the groove CCF.

Therefore, the rubber pad PAD may be compressed at a higher compression rate by the pressure applied from the watertight bulkhead rib WBR, thereby effectively blocking moisture introduced into the inside. In addition, the stress is reduced due to the increase in thickness, thereby reducing the breakage of the watertight bulkhead rib (WBR).

On the other hand, the water flowing along the interface between the antenna ANT and the vehicle can be blocked by a plurality of watertight ribs (WR1 ~ WR3) formed on the lower surface of the rubber pad (PAD).

In particular, in the present embodiment, the rib compression groove PCF is formed along the periphery of at least one watertight rib WR3 of the plurality of watertight ribs WR1 to WR3, so that the bending deformation of the vehicle when the antenna ANT is mounted on the vehicle. It is possible to improve the compression ratio of the watertight ribs WR3 without causing this. Therefore, the incoming water does not flow into the watertight rib WR3 formed in a closed loop on the lower surface of the rubber pad PAD. That is, it is possible to effectively block the inflow of moisture into the antenna ANT through the vehicle fastening hole DOH which is opened on the lower surface of the rubber pad PAD.

In general, almost all moisture inflows are blocked by the moisture barrier structure, but nevertheless, the moisture may be introduced into the antenna ANT along the fastening hole CLH.

However, in the case of the water flowing along the case fastening hole (CLH), it may be blocked by the coupling member watertight groove (SWG) and boss watertight protrusion (BWB).

Water flowing into the case fastening hole CLH along the interface where the antenna ANT and the vehicle are coupled is first blocked by the coupling member watertight groove SWG formed inside the guide groove GDG. The coupling member watertight groove SWG is formed to protrude from the guide groove protrusion GGB formed adjacent to the case coupling hole CLH in the guide groove GDG, and thus is pressed by the case coupling member CSCR. Therefore, by being in close contact with the case coupling member (CSCR) by elasticity, it is possible to primarily block the inflow of moisture into the case fastening hole (CLH).

In addition, despite being primarily blocked by the coupling member watertight groove (SWG), moisture introduced into the case fastening hole (CLH) is secondarily blocked by the boss watertight protrusion (BWB) formed on the outside of the guide boss (GBO). . Since the boss watertight protrusion BWB is formed higher than the guide boss GBO, and is compressed by the boss BO of the upper case UC, the boss tightly adheres to the boss BO by elasticity, so that moisture is adhered to the case fastening hole. (CLH) can effectively block the flow into.

At this time, the boss watertight protrusion (BWB) can also effectively block the water flowing along the coupling interface of the upper case (UC) and the lower case (DC).

In FIG. 12, the pad waterproof groove PWF is formed in the case coupling plane portion CLPA of the rubber pad PAD unlike in FIGS. 1 to 11.

Correspondingly, the upper case edge protrusion UCEB is formed such that the lower inner side of the case edge CEG under the upper case UC protrudes from the lower outer side. When the upper case edge protrusion UCEB is coupled to the upper case UC and the sewer case DC, the upper case edge protrusion UCEB is inserted into and coupled to the waterproof groove PWF formed in the case coupling plane portion CLPA of the rubber pad PAD. That is, the pad waterproof groove PWF and the upper case edge protrusion UCEB of the rubber pad PAD designate a position at which the lower end of the upper case UC is coupled to the rubber pad PAD.

When the position where the lower end of the upper case UC is in contact with the rubber pad PAD is fixed by the pad waterproof groove PWF, the upper case UC when the upper case UC and the lower case DC are coupled to each other. In addition to being fixed at the correct position, it is possible to prevent the upper case (UC) from being damaged by the pressure generated during the coupling.

The watertight protrusion WB1 corresponding to the upper case edge protrusion UCEB may be formed in the pad waterproof groove PWF on the rubber pad PAD. As shown in FIG. 12, the watertight protrusion WB1 in the waterproof groove PWF is brought into close contact with the upper case edge protrusion UCEB, whereby water is transferred through the coupling portion of the upper case UC and the rubber pad PAD. To prevent ingress.

However, as shown in FIG. 2, the upper case UC is provided with an attachment ACU at the case edge CEG, and the pad waterproof groove PWF of the rubber pad PAD is inserted into the entire lower end of the case edge CEG. It may be formed to have a width that can be. In this case, the watertight protrusion WB1 in the waterproof groove PWF may be omitted.

In addition, in FIG. 12, the rubber pad PAD has a multi-stage structure at a side surface between the case coupling plane portion CLPA and the barrier rib coupling plane portion BLPA. In addition, watertight protrusions WB2 may be further formed at each stage in the multi-stage structure shape. At this time, the inner surface of the upper case (UC) is also formed in a multi-stage structure corresponding to the side structure of the rubber pad (PAD). In this case, when the upper case UC and the sewer case DC are coupled, the watertight protrusion WB2 formed at each end of the rubber pad APD and the multi-stage structure inside the upper case UC are in close contact with each other. Through the coupling portion of the (UC) and the rubber pad (PAD) it can further prevent the inflow of moisture. That is, the watertight protrusion WB2 of FIG. 12 may block moisture introduced into the water, similar to the watertight protrusion WB of FIG. 4.

In FIG. 13, rib compression grooves PCF1 and PCF2 are formed not only on the outer side of the watertight rib WR3 but also on the inner side thereof. The rib compression groove PCF1 formed on the outer side of the watertight rib WR3 provides an empty space in which the watertight rib WR3 can change shape as described above, thereby increasing the compression ratio of the watertight rib WR3. On the other hand, the rib compression groove PCF2 formed on the inner side of the watertight rib WR3 provides the same effect as the length of the watertight rib WR3 along with the rib compression groove PCF1 formed on the outer side, thereby providing a watertight rib WR3. ) Can be modified more. That is, the compression ratio of the watertight rib WR3 can be further increased.

Therefore, the waterproof performance of the antenna ANT by the watertight rib WR3 can be further improved.

8 and 9, in the case of the fourth watertight rib WR4, the inner height and the outer height of the watertight rib WR4 are different from each other in the rubber pad PAD. This is due to the structure of the vehicle fastening hole formed in the rubber pad, and has a structure similar to that already formed even if a separate rib compression groove PCF2 is not formed. In this way, when the length of the watertight rib on the inner side of the rubber pad PAD is longer than the length on the outer side, the rib compression groove PCF2 may not be generated.

14 illustrates a process in which the lower case DC and the rubber pad PAD are coupled, FIG. 15 illustrates a process in which the antenna circuit ATC is coupled to the lower case DC, and FIG. 16 illustrates an upper case UC. And a process of combining the lower case DC.

In FIG. 14, the lower case DC is illustrated as being coupled to the upper portion of the rubber pad PAD, but this is because the lower case DC and the rubber pad PAD are separated from each other. The rubber pad PAD may be formed by insert injection molding to surround the lower case DC.

In this case, the rubber pad PAD may be formed by being injected through the through hole TH formed in the lower case DC, thereby being integrally formed with a structure that is not separated from the lower case DC.

However, the rubber pad PAD is a fastener LH for coupling the case fastening hole CLH and the antenna ANT formed in the lower case DC to the vehicle to couple the upper case UC and the lower case DC to the vehicle. ) And the area corresponding to the cable hole CH are opened to form the vehicle fastening hole DOH.

In addition, the rubber pad PAD has a case coupling plane portion CLPA having a flat shape such that the lower end of the case edge CEG of the upper case UC is stably contacted to prevent moisture from penetrating therein. In some cases, the rubber pad PAD has a waterproof groove PWF corresponding to the lower end of the case edge CEG of the upper case UC, and the upper case UC is coupled to the case coupling plane portion CLPA. You can specify the location.

In the present embodiment, the rubber pad PAD is formed with a plurality of boss watertight protrusions BWB corresponding to the plurality of guide bosses GBO formed on the upper surface of the lower case DC, and the lower surface of the lower case DC. A plurality of coupling member watertight grooves SWG are formed to correspond to the plurality of guide grooves GDG formed.

Meanwhile, referring to FIG. 15, the substrate SUB of the antenna circuit ATC is disposed and fixed to the substrate guide SGD of the lower case DC. In this case, the upper surface of the substrate guide SGD may be guided and disposed according to a substrate guide protrusion SGB formed in advance to designate a position at which the substrate SUB of the antenna circuit ATC is to be disposed.

The antenna circuit ATC is coupled to the lower case DC by inserting and coupling the substrate coupling member SSCR to the substrate fastening hole SLH formed in the substrate guide SGD through a hole formed on the substrate SUB. It is fixed.

As shown in FIG. 16, the lower case DC, which is integrally coupled with the rubber pad PAD and the antenna circuit ATC is coupled with the upper case UC, is assembled with the antenna ANT. Here, the upper case UC is formed with a plurality of bosses BO into which the case coupling member CSCR is inserted.

Here, the plurality of case coupling members CSCR are inserted into and coupled to the plurality of bosses BO through the case fastening holes CLH formed in the lower case DC, thereby coupling the upper case UC and the lower case DC. To assemble the antenna (ANT).

Since the rubber pad PAD is not formed on the upper surface of the guide boss GBO formed in the lower case DC, the lower surfaces of the plurality of bosses BO of the upper case UC coupled with the lower case DC It is in direct contact with the upper surface of the guide boss (GBO). In addition, since the rubber pad PAD is not formed on the top surface of the guide groove protrusion GGB formed in the lower case DC, the guide groove protrusion GGB is in direct contact with the head of the case coupling member CSCR.

Therefore, the compressed boss watertight protrusion (BWB) is in close contact with the boss (BO) by elasticity, the compressed coupling member watertight groove (SWG) is in close contact with the head of the case coupling member (CSCR) to flow into the case fastening hole (CLH) It can block moisture.

As a result, the waterproof structure of the vehicle antenna according to the present embodiment ensures both the moisture flowing through the coupling interface between the upper case and the lower case, the moisture flowing through the coupling interface between the antenna and the vehicle, and the moisture flowing through the case fastening groove. Can be blocked.

At least one watertight protrusion on the rubber pad combined with the lower case, the case edge of the upper case, and the watertight partition ribs of the upper case block water inflows at different times, respectively, to improve water resistance, thereby improving rubber Compression grooves are formed on the lower surface of the pad to the outside of the waterproof ribs, so that the waterproof ribs of the vehicle antenna fastened to the vehicle naturally face the outer direction to contact the vehicle, thereby bringing the waterproof ribs into close contact with the vehicle and increasing the extrusion rate to improve waterproof performance. The waterproof rib does not apply excessive pressure to the exterior of the vehicle, thereby preventing bending deformation from occurring on the exterior of the vehicle. In addition, the water flowing through the case fastening hole (CLH) can be reliably blocked.

In addition, when the upper case and the lower case are combined, the watertight protrusion of the rubber pad is in close contact with the upper case to more securely bond the upper case, prevent damage of the watertight bulkhead ribs, and the lower case is stably fixed. You can do that. In addition, it is possible to prevent the bending deformation in the exterior of the vehicle when the antenna is coupled to the vehicle.

Although the present invention has been described with reference to the embodiments shown in the drawings, this is merely exemplary, and it will be understood by those skilled in the art that various modifications and equivalent other embodiments are possible.

Therefore, the true technical protection scope of the present invention will be defined by the technical spirit of the appended claims.

Claims

In the waterproof structure of the vehicle antenna attached to the vehicle,

An upper case formed in a streamlined dome shape with a lower portion;

A lower case having a substrate guide on which an antenna circuit board is disposed, the lower case being coupled to the upper case; And

It is formed to surround the lower case up to the side of the substrate guide height, and when the upper case and the lower case is coupled, in close contact with the inner surface of the upper case to block water from entering the antenna circuit, A rubber pad having at least one watertight protrusion formed at a predetermined height of an outer side surface thereof; Waterproof structure of a vehicle antenna comprising a.
The method of claim 1, wherein the rubber pad

A partition wall joining flat portion formed in a planar shape at a predetermined height from an upper surface of the lower case;

A case joining flat part formed in a planar shape along the periphery of the lower case at a height lower than that of the partition wall joining flat part such that the case edge of the open lower part of the upper case is in close contact with the bottom part; And

And the at least one watertight protrusion is formed at a side predetermined height between the partition coupling plane portion and the case coupling plane portion.
The method of claim 2, wherein the rubber pad

The multi-stage structure corresponding to the inner surface shape of the upper case is formed at a side-level height between the partition wall joining flat portion and the case joining flat portion,

The watertight protrusion is waterproof structure of the vehicle antenna is formed along the upper surface of each stage of the multi-stage structure.
The method of claim 2, wherein the lower case

A case compression groove in the form of a groove surrounding the outer surface of the substrate guide is formed on an upper surface,

The rubber pad

The region corresponding to the case compression groove is formed relatively thick in the partition wall plane portion of the upper surface,

The upper case

A watertight structure of a vehicle antenna, wherein a watertight bulkhead rib that is in close contact with a position corresponding to the case compression groove of the partition wall coupling plane portion to apply pressure when coupled to the lower case is formed therein.
The method of claim 1, wherein the upper case

When combined with the lower case, the waterproof structure of the vehicle antenna is formed in the lower end of the case edge so as to increase the pressure applied to the contact position of the lower case edge of the open rubber pad.
The method of claim 1, wherein the upper case

An upper case edge protrusion is formed at the bottom of the case edge so that the open lower case edge is fixed at a designated position of the rubber pad,

The rubber pad

A case coupling plane formed along a side edge of the lower case;

A pad waterproof groove formed in a groove shape on an upper surface of the case joining flat part to which the upper case edge protrusion is inserted and fixed; And

An additional watertight protrusion in close contact with the upper case edge protrusion to block water from entering the antenna circuit; Waterproof structure of a vehicle antenna comprising a.
In the waterproof structure of the vehicle antenna attached to the vehicle,

An upper case formed in a streamlined dome shape having an open lower portion, and having a watertight partition rib formed therein;

A lower case in which a groove-shaped case compression groove is formed at a position corresponding to the substrate guide on which the substrate of the antenna circuit is disposed and the watertight partition rib, and coupled to the upper case; And

A rubber pad is formed to surround the lower case up to a side height of the substrate guide, and when the upper case and the lower case are coupled to each other, a rubber pad closes to a lower end of the upper case to block water from entering the antenna circuit. ; Including,

The rubber pad

And a region corresponding to the case compression groove is formed relatively thick at a predetermined height from an upper surface of the lower case to form a partition-coupling planar portion having a planar shape in close contact with the watertight partition rib.
In the waterproof structure of the vehicle antenna attached to the vehicle,

An upper case formed in a streamlined dome shape with a lower portion;

A lower case having an antenna circuit disposed on an upper surface thereof and coupled to the upper case; And

A rubber pad formed to surround the lower case and having a groove-shaped rib compression groove formed along an outer surface of at least one watertight rib of the plurality of watertight ribs and a plurality of watertight ribs each having a closed loop structure; Waterproof structure of a vehicle antenna comprising a.
The method of claim 8, wherein the rubber pad

A case joining flat portion having a top surface formed in a planar shape is formed along the outer periphery of the lower case such that the case edge of the open lower portion of the upper case is in close contact with each other. At least one watertight rib of the watertight rib of the vehicle antenna structure is formed.
The method of claim 9, wherein the rib compression groove

The waterproof structure of the vehicle antenna is formed along the outer periphery of the water-tight ribs other than the water-tight rib corresponding to the case coupling plane portion of the plurality of water-tight ribs.
The method of claim 8, wherein the rubber pad

Waterproof structure of the vehicle antenna that the rib compression groove is further formed in the inner portion of the watertight rib formed with the rib compression groove.
In the waterproof structure of the vehicle antenna attached to the vehicle,

An upper case formed in a streamlined dome shape with a lower portion;

A lower case having an antenna circuit disposed on an upper surface thereof and coupled to the upper case; And

A lower portion is formed to have a different thickness to surround the lower case, a plurality of water-tight ribs are formed on the lower surface, the rib compression along the outer or inner portion of at least one water-tight rib of the plurality of water-tight ribs according to the thickness of the lower portion A rubber pad in which grooves are formed; Waterproof structure of a vehicle antenna comprising a.
The method of claim 12, wherein the rubber pad

In the outer region of the lower case the thickness of the lower portion is formed thinner than other regions,

The rib compression groove

Waterproof structure of a vehicle antenna is formed in a region where the lower thickness of the rubber pad in the outer or inner portion of each of the plurality of watertight ribs.
In the waterproof structure of the vehicle antenna attached to the vehicle,

A lower case protruding upwardly around the case fastening hole into which the case coupling member is inserted and the case coupling hole to guide the case coupling member to be inserted into the case fastening hole, and having a guide boss having a multi-sided structure;

The lower part is formed in a streamlined dome shape and is coupled to the lower case by the case coupling member, and protrudes in the lower case direction at a position corresponding to the guide boss in the dome shape to penetrate the case fastening hole. An upper case having at least one boss for guiding the case coupling member to be inserted into the upper case; And

A rubber pad formed to surround the lower case except for the upper surface of the case fastening hole and the guide boss; Including,

The rubber pad

Waterproofing structure of a vehicle antenna is formed in the side of the guide boss having a multi-stage structure boss boss watertight protrusion protruding by a predetermined height than the upper surface of the guide boss.
The method of claim 14, wherein the guide boss is

The outer diameter of the upper surface is formed smaller than the outer diameter of the lower surface of the boss, when the upper case and the upper lower case is combined, the boss watertight projection is compressed so that the upper surface is in close contact with the lower surface of the boss waterproof structure of the vehicle antenna .
In the waterproof structure of the vehicle antenna attached to the vehicle,

A guide groove having a groove shape surrounding the case coupling hole to guide the case coupling member inserted into the case coupling hole and a case coupling hole into which the case coupling member is inserted, and from the guide groove to the case coupling hole. A lower case in which guide groove protrusions protruding adjacent to each other are formed;

An upper case formed in a streamlined dome shape having an open lower portion and coupled to the lower case by the case coupling member; And

A rubber pad formed to surround the lower case except for the lower surface of the case fastening hole and the guide groove protrusion; Including,

The rubber pad

The waterproof structure of the vehicle antenna is formed in the guide groove coupling member watertight grooves projecting by a predetermined height than the lower surface of the guide groove projections.
The method of claim 16, wherein the guide groove projection

Waterproofing structure of the vehicle antenna is the outer diameter of the lower surface is formed smaller than the outer diameter of the head of the case fastening member.
The method of claim 17, wherein the guide groove projection

When the upper case and the upper lower case is coupled, the watertight groove of the coupling member is compressed so that the lower surface is in close contact with the head of the case fastening member waterproof structure of the vehicle antenna.