High-stability waterproof vehicle-mounted antenna

Abstract

The utility model relates to the technical field of vehicle-mounted antennas, and discloses a high-stability waterproof vehicle-mounted antenna, which comprises a base, an annular bump mounted at the top of the base, a connector arranged at the top of the base on the inner side of the annular bump, an antenna connected to the connector, and a waterproof assembly arranged outside the antenna. The waterproof assembly comprises a protective shell arranged at the lower end of the antenna in a sleeving mode, a fixing block is connected to the outer side of the bottom end of the protective shell, an inserting groove is formed in the bottom of the fixing block, the annular protruding block is movably inserted into the inserting groove, a screw is arranged in the fixing block, a threaded hole matched with the screw is formed in the annular protruding block, and a guide pipe is arranged at the top of the protective shell in a penetrating mode. Rainwater can be prevented from entering the antenna connector through the waterproof assembly, electronic components are prevented from being damaged, and the problems that an existing vehicle-mounted antenna is poor in waterproof performance, rainwater easily enters the antenna connector, internal electronic components are damaged, and use of the antenna connector is affected are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of vehicle-mounted antennas, in particular to a highly stable waterproof vehicle-mounted antenna. Background Art

[0002] A vehicle-mounted antenna, also known as a car antenna, is a device that intercepts high-frequency radio waves emitted by a transmitter and transmits them to a receiver in a car radio, car phone or radio navigation equipment to demodulate the carrier. Common vehicle-mounted antennas include rod-shaped car antennas, shark fin-shaped antennas, etc. Rod-shaped antennas have good signal reception effects, low cost, and are widely used.

[0003] Chinese patent document CN216720278U discloses a vehicle-mounted LTE antenna, including an adjustment mechanism and an LTE antenna, wherein the bottom of the adjustment mechanism is provided with a suction cup connected to the top of the vehicle body, the adjustment mechanism is provided with an electric telescopic rod, and the LTE antenna is arranged at the top of the electric telescopic rod. First, the LTE antenna is adsorbed on the top of the vehicle through the suction cup, and the antenna is controlled by the vehicle-mounted control system, and the contraction of the LTE antenna is controlled by the electric telescopic rod, so that the antenna is contracted when not in use. When the vehicle starts too fast, the forward and reverse motors are started, and the forward and reverse motors are rotated to tilt the LTE antenna in the opposite direction of the vehicle, thereby reducing the friction between the LTE antenna and the air, effectively protecting the LTE antenna and making it difficult to break. In summary, the utility model not only realizes the contraction of the LTE antenna, but also can adjust the inclination of the LTE antenna according to the vehicle speed, effectively protecting the service life of the LTE antenna. However, the vehicle-mounted antenna has poor waterproof performance. When it rains, rainwater easily enters the inside of the vehicle-mounted antenna connector, causing damage to the internal electronic components, affecting its normal use, and failing to meet the needs of users.

[0004] Therefore, in order to solve such problems, we propose a highly stable waterproof vehicle-mounted antenna. Utility Model Content

[0005] The purpose of the utility model is to provide a highly stable waterproof vehicle-mounted antenna, aiming to solve the problem in the above-mentioned background technology that the existing vehicle-mounted antenna has poor waterproof performance, rainwater easily enters the antenna connector when it rains, causing damage to the internal electronic components, affecting its normal use, and failing to meet the needs of users.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a highly stable waterproof vehicle-mounted antenna, comprising a base, an annular protrusion is installed on the top of the base, a joint is arranged on the top of the base inside the annular protrusion, an antenna is connected to the joint, a waterproof component is arranged on the outside of the antenna, the waterproof component comprises a protective shell mounted on the lower end of the antenna, a fixing block is connected to the outer side of the bottom end of the protective shell, a slot is provided at the bottom of the fixing block, the annular protrusion is movably inserted in the slot, a screw is provided inside the fixing block, a threaded hole matching the screw is provided inside the annular protrusion, a conduit is arranged through the top of the protective shell, and the upper end of the antenna extends to the top of the protective shell through the conduit.

[0007] Preferably, a movable groove is provided at the bottom of the protective shell, a telescopic rod is provided inside the movable groove, the lower end of the telescopic rod extends to the outside of the movable groove and is connected to a sealing gasket, the sealing gasket is movably fitted to the bottom side of the protective shell, and a spring is provided on the outside of the telescopic rod, the upper end of the spring is installed inside the movable groove, and the upper end of the spring is connected to the sealing gasket.

[0008] Preferably, the outer sleeve of the antenna is provided with a spiral convex block, a rain shelter is provided on the antenna above the catheter, a through hole is provided inside the rain shelter, a threaded groove is provided inside the through hole, and the threaded groove cooperates with the spiral convex block.

[0009] Preferably, the bottom of the spiral convex pattern block is paved with absorbent cotton, and the absorbent cotton is sleeved on the outside of the antenna.

[0010] Preferably, a filler is wrapped between the inside of the conduit and the antenna.

[0011] Preferably, a limiting ring is provided inside the protective shell, a supporting column is provided outside the limiting ring, the end of the supporting column away from the limiting ring is installed on the inner wall of the protective shell, a rubber pad is provided inside the limiting ring, and the antenna moves through the inside of the rubber pad.

[0012] The utility model has the following beneficial effects:

[0013] In the utility model, the protective shell is firstly sleeved on the outside of the antenna, the annular protrusion is inserted into the slot, the fixing block is fixedly connected to the annular protrusion by a screw, the protective shell is installed, and the rain shield is sleeved on the outside of the antenna to shield it above the conduit, thereby preventing rainwater from entering the protective shell from the conduit, improving the waterproof performance of the vehicle-mounted antenna, preventing rainwater from damaging the vehicle-mounted antenna, and increasing the service life of the vehicle-mounted antenna to meet the needs of users. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 A three-dimensional schematic diagram of a high-stability waterproof vehicle-mounted antenna proposed by the utility model Figure 1 ;

[0015] Figure 2 A three-dimensional schematic diagram of a high-stability waterproof vehicle-mounted antenna proposed by the utility model Figure 2 ;

[0016] Figure 3 This is a structural schematic diagram of the bottom end of a waterproof housing in a high-stability waterproof vehicle-mounted antenna proposed by the utility model;

[0017] Figure 4 The utility model provides a schematic structural diagram of the top end of a waterproof housing in a high-stability waterproof vehicle-mounted antenna.

[0018] Legend:

[0019] 1. Base; 2. Annular protrusion; 3. Connector; 4. Antenna; 41. Spiral convex block; 5. Waterproof component; 51. Protective shell; 511. Movable groove; 512. Telescopic rod; 513. Sealing gasket; 514. Spring; 52. Fixed block; 53. Slot; 54. Screw; 55. Threaded hole; 56. Conduit; 6. Rain shelter; 61. Through hole; 62. Spiral concave pattern; 7. Water-absorbent cotton; 8. Filling cotton; 9. Limiting ring; 91. Support column; 92. Rubber cushion. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] In the description of the present utility model, it should be noted that the orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. The terms "first", "second", and "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. In addition, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection. It can be a mechanical connection or an electrical connection. It can be directly connected, or indirectly connected through an intermediate medium, or it can be a communication between the two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0022] Reference Figure 1-4 The utility model provides an embodiment: a highly stable waterproof vehicle-mounted antenna, comprising a base 1, the base 1 can be bolted or pasted on the roof, an annular protrusion 2 is installed on the top of the base 1, a joint 3 is arranged on the top of the base 1 inside the annular protrusion 2, an antenna 4 is connected to the joint 3, a waterproof component 5 is arranged outside the antenna 4, the waterproof component 5 is installed on the base 1, the waterproof component 5 can prevent rainwater from entering the inside of the joint 3 to prevent damage to electronic components, the waterproof component 5 includes a protective shell 51 sleeved on the lower end of the antenna 4, a fixing block 52 is fixedly connected to the outer side of the bottom end of the protective shell 51, a slot 53 is opened at the bottom of the fixing block 52, and the slot 53 cooperates with the annular protrusion 2, The annular protrusion 2 is movably inserted into the slot 53, a screw 54 is provided inside the fixing block 52, a threaded hole 55 matching the screw 54 is provided inside the annular protrusion 2, a conduit 56 is provided through the top of the protective shell 51, and the conduit 56 is protrudingly provided on the top of the protective shell 51. The upper end of the antenna 4 extends to the top of the protective shell 51 through the conduit 56 to receive signals. The protective shell 51 is moved downward to insert the annular protrusion 2 into the slot 53, and the protective shell 51 is initially fixed. Then, the fixing block 52 is fixedly connected to the annular protrusion 2 by the screw 54 to prevent the protective shell 51 from falling due to external force. The protective shell 51 cover is provided on the outside of the joint 3 to prevent the antenna 3 from being damaged by rain erosion.

[0023] A movable groove 511 is provided at the bottom of the protective shell 51, and the movable grooves 511 are arranged in a ring shape at equal distances. A telescopic rod 512 is provided inside the movable groove 511. The lower end of the telescopic rod 512 extends to the outside of the movable groove 511 and is connected to a sealing gasket 513. The sealing gasket 513 is movably fitted on the bottom side of the protective shell 51. A spring 514 is provided on the outside of the telescopic rod 512. The upper end of the spring 514 is installed in the movable groove 511. The upper end of the spring 514 is connected to the sealing gasket 513. When the protective shell 51 is installed on the base 1, the sealing gasket 513 is clamped between the protective shell 51 and the base 1. At this time, the spring 514 pushes the sealing gasket 513 to fit tightly against the surface of the base 1 to prevent rainwater from seeping into the interior of the protective shell 51.

[0024] The outside of the antenna 4 is provided with a spiral convex block 41, and a rain shelter 6 is provided on the antenna 4 above the conduit 56. The inside of the rain shelter 6 is penetrated by a through hole 61, and the inside of the through hole 61 is provided with a spiral groove 62. The spiral groove 62 cooperates with the spiral convex block 41. The antenna 4 passes through the through hole 61, so that the rain shelter 6 is sleeved on the outside of the antenna 4. The rain shelter 6 is rotated to be installed above the conduit 56 to block rainwater and prevent rainwater from entering the inside of the protective shell 51 from the conduit 56.

[0025] The bottom of the spiral convex pattern block 41 is paved with absorbent cotton 7, which is sleeved on the outside of the antenna 4. The absorbent cotton 7 can absorb rainwater that penetrates from the connection between the spiral groove 62 and the spiral convex pattern block 41, preventing rainwater from entering the protective shell 51 along the antenna 4.

[0026] The inside of the conduit 56 and the antenna 4 are wrapped with stuffing cotton 8 to prevent dust and debris from entering the protective shell 51 .

[0027] A limiting ring 9 is arranged inside the protective shell 51, and a supporting column 91 is arranged on the outside of the limiting ring 9. The end of the supporting column 91 away from the limiting ring 9 is installed on the inner wall of the protective shell 51. A rubber pad 92 is arranged on the inner side of the limiting ring 9. The antenna 4 moves through the rubber pad 92. The rubber pad 92 provides a buffer space for the movement of the antenna 4 to prevent it from being broken by external force. The limiting ring 9 is used to limit and fix the antenna 4 to improve the stability of the connection between the antenna 4 and the connector 3.

[0028] Working principle: first, insert the protective shell 51 from the top of the antenna 4, and the antenna 4 passes through the conduit 56. Move the protective shell 51 downward to insert the annular protrusion 2 into the slot 53, preliminarily fix the protective shell 51, and then fix the fixing block 52 to the annular protrusion 2 through the screw 54 to prevent the protective shell 51 from falling due to external force. The protective shell 51 cover is arranged on the outside of the joint 3, and the antenna 4 is passed through the through hole 61 of the rain shelter 6, so that the rain shelter 6 is sleeved on the outside of the antenna 4, and the rain shelter 6 is rotated to be installed above the conduit 56 to block rainwater and prevent rainwater from entering the protective shell 51 from the conduit 56.

[0029] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A highly stable waterproof vehicle-mounted antenna, comprising a base (1), characterized in that: The top of the base (1) is provided with an annular protrusion (2), the top of the base (1) inside the annular protrusion (2) is provided with a joint (3), the joint (3) is connected to an antenna (4), the outside of the antenna (4) is provided with a waterproof component (5), the waterproof component (5) comprises a protective shell (51) sleeved on the lower end of the antenna (4), the outer side of the bottom end of the protective shell (51) is connected to a fixing block (52), the bottom of the fixing block (52) is provided with a slot (53), the annular protrusion (2) is movably inserted into the slot (53), the fixing block (52) is provided with a screw (54), the annular protrusion (2) is provided with a threaded hole (55) matching the screw (54), the top of the protective shell (51) is provided with a guide tube (56), the upper end of the antenna (4) passes through the guide tube (56) and extends to the top of the protective shell (51).

2. The high-stability waterproof vehicle-mounted antenna according to claim 1, characterized in that: The bottom of the protective shell (51) is provided with a movable groove (511), the movable groove (511) is provided with a telescopic rod (512), the lower end of the telescopic rod (512) extends to the outside of the movable groove (511) and is connected to a sealing gasket (513), the sealing gasket (513) is movably fitted on the bottom side of the protective shell (51), the outside of the telescopic rod (512) is sleeved with a spring (514), the upper end of the spring (514) is installed in the movable groove (511), and the upper end of the spring (514) is connected to the sealing gasket (513).

3. The high-stability waterproof vehicle-mounted antenna according to claim 1, characterized in that: The antenna (4) is provided with a spiral convex pattern block (41) on the outside, and a rain shelter (6) is provided on the antenna (4) above the conduit (56). A through hole (61) is provided inside the rain shelter (6), and a spiral concave pattern (62) is provided inside the through hole (61), and the spiral concave pattern (62) cooperates with the spiral convex pattern block (41).

4. The high-stability waterproof vehicle-mounted antenna according to claim 3, characterized in that: The bottom of the spiral convex pattern block (41) is paved with water-absorbing cotton (7), and the water-absorbing cotton (7) is sleeved on the outside of the antenna (4).

5. The high-stability waterproof vehicle-mounted antenna according to claim 1, characterized in that: Filling cotton (8) is wrapped between the inside of the conduit (56) and the antenna (4).

6. The high-stability waterproof vehicle-mounted antenna according to claim 1, characterized in that: A limit ring (9) is arranged inside the protective shell (51), a support column (91) is arranged outside the limit ring (9), one end of the support column (91) away from the limit ring (9) is mounted on the inner wall of the protective shell (51), a rubber cushion (92) is arranged inside the limit ring (9), and the antenna (4) is movably arranged to penetrate the inside of the rubber cushion (92).

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