Antenna clamping jaw and vehicle-mounted antenna

Abstract

The utility model relates to an antenna clamping jaw which comprises a gasket and a plurality of supporting feet, the gasket is provided with a hole, one end of each supporting foot is connected to the gasket, the other end of each supporting foot extends towards one side of the gasket and is bent towards the outer side, and a bent edge is formed on the inner side face of the bent position of each supporting foot. And the two end parts of the bent edge protrude out of the middle part of the bent edge. A vehicle-mounted antenna comprises a base, a positioning piece, an antenna clamping jaw and a fastening piece. According to the antenna clamping jaw, the bent edge of the supporting foot on the antenna clamping jaw is designed to be in a mode that the two ends are high and the middle is low, when a fastener is locked, resistance borne by the mode that a paint layer is scratched through the two ends of the bent edge is smaller than that borne by the mode that the paint layer is punctured and scratched, applied torque is small, resistance borne by the fastener is small, assembly is easier, and the service life of the fastener is prolonged. And after the fastener is locked, the supporting leg is easy to deform, so that the antenna claw has enough force to be tightly clamped on the vehicle body, and the stability is better.

Description

TECHNICAL FIELD

[0001] The utility model relates to car antenna technology, concretely relates to an antenna dog and vehicle antenna. BACKGROUND

[0002] The vehicle antenna is an important component in the automobile communication system, which is responsible for receiving and sending wireless signals to realize the communication function between the inside and outside of the vehicle. The vehicle antenna is installed on the vehicle roof, usually by placing the antenna base on the installation part of the vehicle roof first, and then fixing the antenna on the installation position by screwing the screw and nut through the opening of the installation position. However, the traditional installation process is relatively complex, which requires internal and external cooperation, and the position of the antenna also needs to be adjusted constantly during the installation process, which is not easy to achieve accurate positioning.

[0003] Referring to the patent CN205752492U with publication number, a kind of antenna installation structure is used to fix antenna on mounting hole, the antenna installation structure includes dog portion, it has multiple dog, the top of dog has dentate protrusion, when dog expands, dentate protrusion can scratch the coating around mounting hole, contact to metal part, so that antenna realizes good grounding, and top in the outer peripheral portion of mounting hole. But the structure is found after actual use There are the following problems: dentate protrusion both contacts to the coating around mounting hole and top in the outer peripheral portion of mounting hole, the material strength requirement of dog is higher, the resistance and torque of locking are large;And only through dentate protrusion abutment, there is potential risk of uneven stress after locking. SUMMARY

[0004] One object of the utility model is to provide a kind of antenna dog.

[0005] To achieve the above object, the technical scheme adopted by the utility model is:

[0006] An antenna dog includes a gasket, multiple support legs, a hole is formed in the gasket, one end of the support leg is connected to the gasket, the other end of the support leg extends towards one side of the gasket and bends outward, and a bent edge is formed on the inner side of the bent portion of the support leg, and the two ends of the bent edge protrude from the middle portion of the bent edge.

[0007] The above technical scheme is preferably smooth transition from the middle portion to the two ends of the bent edge.

[0008] The above technical scheme is preferably an arc-shaped bent edge.

[0009] The above technical scheme is preferably that the two ends of the bent edge protrude from the middle portion of the bent edge by 0.05-0.15mm, and further preferably by 0.1mm.

[0010] Preferably, the number of the supporting legs is even, such as two, four, six or more, which can achieve better grounding effect, and more preferably four, which can achieve better firmness of the parts before and after assembly and more uniform stress.

[0011] Preferably, the supporting legs are uniformly distributed around the gasket.

[0012] An object of the present application is to provide a vehicle-mounted antenna, in particular a vehicle-mounted shark fin antenna.

[0013] To achieve the above object, the present application adopts the technical scheme of:

[0014] The vehicle-mounted antenna comprises a base, a positioning member, an antenna jaw, and a fastener. The fastener connects the positioning member and the antenna jaw to the base. The antenna jaw comprises a gasket and a plurality of supporting legs. The gasket is provided with a hole. One end of each supporting leg is connected to the gasket, and the other end of each supporting leg extends to one side of the gasket and bends outward. A bent edge is formed on the inner side of the bent part of each supporting leg, and the two ends of the bent edge protrude from the middle part of the bent edge.

[0015] Preferably, when the vehicle-mounted antenna is connected to the vehicle body, the base and the antenna jaw are located on opposite sides of the vehicle body, the positioning member penetrates the vehicle body, the fastener connects the positioning member and the antenna jaw to the base through the hole of the antenna jaw, and at least the bent edge of each supporting leg supports the vehicle body.

[0016] More preferably, the bent edge of each supporting leg and the inner sides of the two side parts thereof support the vehicle body.

[0017] More preferably, when the fastener connects the positioning member and the antenna jaw to the base, the two ends of the bent edge can scratch the coating of the vehicle body.

[0018] Preferably, the positioning member is provided with a guide groove, the number of the guide grooves is consistent with the number of the supporting legs of the antenna jaw, a guide slope is arranged in each guide groove, and the supporting legs of the antenna jaw extend into the guide grooves and are supported on the vehicle body along the guide slopes.

[0019] Thanks to the above technical scheme, the present application has the following advantages compared with the prior art:

[0020] The bending edge of the supporting leg of the antenna clamping jaw is designed as a mode of high at both ends and low in the middle, when locking the fastener, compared with piercing the paint layer, the paint layer is scratched by the both ends of the bending edge, the resistance received by the scratching mode is small, and the torque applied is small, the resistance received by the fastener is small, it is easier to assemble, and after locking the fastener, the supporting leg is easily deformed to make the antenna clamping jaw tightly clamped on the vehicle body, and the stability is better. BRIEF DESCRIPTION OF DRAWINGS

[0021] BRIEF DESCRIPTION OF DRAWINGS Figure 1 Structure diagram of embodiment one Figure 1 ;

[0022] BRIEF DESCRIPTION OF DRAWINGS Figure 2 Structure diagram of embodiment one Figure 2 ;

[0023] BRIEF DESCRIPTION OF DRAWINGS Figure 3 Split schematic view of embodiment two

[0024] BRIEF DESCRIPTION OF DRAWINGS Figure 4 Assembly schematic of embodiment two Figure 1 ;

[0025] BRIEF DESCRIPTION OF DRAWINGS Figure 2 Assembly schematic of embodiment two Figure 6 ;

[0026] BRIEF DESCRIPTION OF DRAWINGS Figure 1 Partial sectional view schematic of embodiment two.

[0027] In the above drawings:

[0028] 1, antenna clamping jaw; 10, gasket; 100, hole; 11, supporting leg; 110, bending edge; 1100, both ends; 1101, middle part;

[0029] 2, base; 3, positioning piece; 30, guide groove; 300, guide inclined surface; 4, fastener;

[0030] 5, vehicle body. DETAILED DESCRIPTION

[0031] The technical scheme of the utility model will be described clearly and completely in combination with the drawings, obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0032] In the description of the utility model, it is necessary to explain that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as limiting the utility model. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0033] Embodiment one

[0034] As shown in Figures 3-5 , 2 An antenna claw, comprising a gasket 10, a plurality of supporting legs 11. Specifically:

[0035] The gasket 10 is in the form of a sheet, and a hole 100 is formed in the gasket 10, which is located at the center of the gasket 10, so that the force is uniform when fastening.

[0036] One end of the supporting leg 11 is connected to the gasket 10, specifically to the edge of the gasket 10; the other end of the supporting leg 11 extends towards one side of the gasket 10 and is bent outward, and a bent edge 110 is formed on the inner side of the bent portion of the supporting leg 11, and the two ends 1100 of the bent edge 110 protrude from the middle part 1101 of the bent edge 110.

[0037] In this embodiment, the bent edge 110 smoothly transitions from the middle part 1101 to the two ends 1100, that is, the two ends 1100 of the bent edge 110 are not instantaneously and obviously protruding relative to the middle part 1101, such as the bent edge 110 being in the shape of an arc, which is the shape of the two ends protruding from the middle part. The two ends 1100 of the bent edge 110 protrude from the middle part 1101 of the bent edge 110 by about 0.05-0.15mm, preferably 0.1mm, and the two ends 1100 of the bent edge 110 are used to first contact the vehicle body, scratch the paint layer of the vehicle body, achieve metal contact and complete grounding. If the two ends 1100 of the bent edge 110 protrude too much from the middle part 1101 of the bent edge 110, a larger torque needs to be applied when locking.

[0038] In this embodiment, the plurality of supporting legs 11 are evenly distributed around the gasket 10; the number of supporting legs 11 is an even number, such as two, four, six or more, which has better grounding effect, and preferably four, that is, the bent edge 110 is provided on each of the four supporting legs 11, which has better firmness before and after assembly and more uniform stress. As shown in the figure: the four supporting legs 11 are evenly distributed around the gasket 10 at 90°.

[0039] In the embodiment, the gasket 10 and the supporting leg 11 are integrally arranged, or integrally formed, and the whole antenna clamping jaw is formed by bending a sheet.

[0040] Embodiment two

[0041] As Figure 4 shown in the drawings, the vehicle-mounted antenna comprises a base 2, a positioning member 3, an antenna clamping jaw 1 and a fastener 4, the fastener 4 connects the positioning member 3 and the antenna clamping jaw 1 to the base 2, and specifically, the fastener 4 can be a bolt, and the base 2 is provided with a threaded hole.

[0042] In the embodiment, the positioning member 3 is provided with a hole in the center and is provided with guide grooves 30 around the periphery, the number of the guide grooves 30 is consistent with the number of the supporting legs 11 of the antenna clamping jaw 1, for example, four supporting legs 11 are arranged and distributed at 90°, and four guide grooves 30 are arranged and distributed at 90°, and the guide grooves 30 are provided with guide inclined surfaces 300, the supporting legs 11 of the antenna clamping jaw 1 extend into the guide grooves 30 and can be spread along the guide inclined surfaces 300 under stress.

[0043] In the installation of the vehicle-mounted antenna, the base 2 and the antenna clamping jaw 1 are arranged on opposite sides of the vehicle body 5 respectively, the positioning member 3 is passed through the vehicle body 5, and the supporting legs 11 of the antenna clamping jaw 1 are corresponded to the guide grooves 30 of the positioning member 3, then the fastener 4 is aligned with the hole of the antenna clamping jaw 1, the hole of the positioning member 3 and the threaded hole of the base 2 in sequence, and a torsion is applied to the fastener 4 to make the fastener 4 screwed into the threaded hole of the base 2, as shown in the drawings. Figure 6 , 5

[0044] Since the two ends 1100 of the bent edge 110 of the supporting leg 11 of the antenna clamping jaw 1 are protruded, after the supporting leg 11 of the antenna clamping jaw 1 contacts the vehicle body 5 and is deformed, the two ends 1100 of the bent edge 110 can first contact the vehicle body 5, so as to pierce the coating of the vehicle body 5, contact the metal of the vehicle body 5 and realize grounding, with the continuous application of the torsion to the fastener 4, the supporting leg 11 of the antenna clamping jaw 1 continues to be deformed, so that the bent edge 110 is supported on the vehicle body 5, as shown in the drawings, with the continuous application of the torsion to the fastener 4, with the continuous deformation of the supporting leg 11 of the antenna clamping jaw 1, the inner side surface of the two sides of the bent edge 110 of the supporting leg 11 is also supported on the vehicle body 5, as shown in the drawings. ​

[0045] The above embodiments are only for illustrating the technical concept and characteristics of the present application, the purpose is to enable the person skilled in the art to understand the content of the present application and to implement it, and cannot limit the protection scope of the present application. Any equivalent changes or modifications made according to the spirit and essence of the present application shall be covered within the protection scope of the present application.​​

Claims

1. An antenna card, comprising a pad, a plurality of legs, said pad having a hole formed therein, said legs having one end connected to said pad, characterized in that: The other end of the supporting leg extends to one side of the gasket and is bent outward, and a bent edge is formed on the inner side of the bent end of the supporting leg, and the two ends of the bent edge protrude from the middle of the bent edge.

2. The antenna card claw of claim 1, wherein: The bent edge smoothly transitions from the middle to the two ends; and / or, the bent edge is arc-shaped.

3. The antenna card claw of claim 1, wherein: The two ends of the bent edge protrude from the middle of the bent edge by 0.05-0.15mm.

4. The antenna card claw of claim 1, wherein: The number of the supporting legs is two.

5. The antenna card of claim 1, wherein: The plurality of supporting legs are evenly distributed around the gasket.

6. A vehicle antenna comprising a base, a positioning member, an antenna collet, a fastener, said fastener connecting said positioning member, antenna collet to said base, characterized in that: The antenna claw is the antenna claw of any one of claims 1-5.

7. The antenna according to claim 6, characterized in that: When the vehicle-mounted antenna is connected to the vehicle body, the base and the antenna claw are located on opposite sides of the vehicle body, the positioning member passes through the vehicle body, the fastener connects the positioning member and the antenna claw to the base through the hole of the antenna claw, and at least the bent edge of the supporting leg is supported on the vehicle body.

8. The antenna according to claim 7, characterized in that: The bent edge of the supporting leg and the inner sides of the two sides of the bent edge are supported on the vehicle body.

9. The antenna according to claim 7, wherein: When the fastener connects the positioning member and the antenna claw to the base, the two ends of the bent edge can scratch the coating of the vehicle body.

10. The antenna according to claim 6, wherein: A guide groove is formed on the positioning member, the number of the guide grooves is consistent with the number of the supporting legs of the antenna claw, a guide slope is arranged in the guide groove, the supporting legs of the antenna claw extend into the guide groove and are supported on the vehicle body along the guide slope.

Images