JP2008514064A - Antenna support device - Google Patents

Abstract

  The present invention relates to an antenna support device (2) for attaching an antenna to a vehicle body part (4) provided with an opening (6) of a motor vehicle, particularly to a vehicle roof (4). The antenna support device (2) includes an antenna base (8) having a fixing portion (12) having a screw bush (36) that can be inserted from the inside or the back side of the vehicle body portion (4) through the opening (6). In order to fix the antenna base (8) to the outside or top surface of the vehicle body part (4), the antenna base (8) includes a screw nut (40) that can be screwed into the protruding screw bush (36). When the screw nut (40) is screwed together, the relative rotation preventing part acting between the fixing part (12) and the edge (42) of the opening (6), and the locking element (24) and the opening By locking with the edge (42) of (6), it can be fixed to the vehicle portion so as not to move. To restrain the locking element (24) in the locking position when the screw nut (40) is screwed and / or to release the locking element (24) when the screw nut (40) is unscrewed. Are provided with devices (32, 70).

Description

  The present invention has an antenna support device for attaching an antenna to a vehicle body portion provided with an opening of a motor vehicle according to the superordinate concept of claim 1, and such a support device according to the superordinate concept of claim 9. The present invention relates to a vehicle with a prime mover having an antenna and an antenna support device supported by a vehicle body portion according to the superordinate concept of claim 10.

BACKGROUND ART A roof antenna of a motor vehicle is generally formed as a rod antenna, and a support device for the antenna has an antenna base fixed to the roof of the vehicle. The antenna base is usually arranged inside the vehicle, inside the roof in the roof liner, that is, on the back of the roof, and has a protruding fixing part. This fixing portion is inserted through the rectangular opening of the roof from the inside when the antenna is attached. A male thread is provided in a portion protruding to the outside of the fixing portion, and a screw nut is screwed into the male screw from the outside, and the antenna base is fixed to the inside of the roof, that is, the back surface of the roof. On the other hand, the portion located below the screw and located inside the opening is formed as a solid having a tetrahedral angle that fits the cross section of the opening, and this solid is a relative rotation preventing portion together with the edge of the opening. Form. The relative rotation prevention unit prevents the antenna base from rotating during and after installation. In order to prevent the solid part having a tetrahedron from moving inwardly, that is, downward, when the fixing part is screwed into the screw nut, the antenna base part is usually hardened by hand inside the vehicle. Because of this, either two workers or advanced skills were required.

  In order to avoid this problem, DE 43336191 has already disclosed a support device for a vehicle rod antenna having the features described in the superordinate concept of claim 1. In this supporting device, the wiring casing of the antenna made of plastic has a shape suitable for the cross section of the opening, and a locking hook is provided on the outside above the opening. This locking hook is locked when the rod-shaped antenna is attached to the vehicle body opening, so that the entire socket structure is screw nuts from the inside without any additional assistance, for example, support of the casing or rotation in the opposite direction. And can be secured by a disk. In particular, when the protruding portion of the antenna base is slightly inclined when the screw nut is screwed, the antenna base is first on one side and then on the other side from the opening because of the ease of elastic deformation of the locking hook. It can happen that it goes off. In addition, in the above-described conventional structure, when the antenna needs to be replaced, it is difficult to access the locking hook for releasing the locking and fixing between the circuit casing and the opening in order to disassemble the antenna base. There is a further inconvenience.

On the other hand, in the antenna supporting device according to the present invention having the features described in claim 1, firstly, the locking element is locked when the screw nut is screwed. Unable to move away from the locking position of the locking element that locks to the edge from below, thereby unintentional release of locking within the opening of the body portion of the antenna base during installation, The effect that it is surely prevented, and secondly, when the antenna base is disassembled, there is an effect that the desired release of the lock can be done very easily after the screw nut is released.

  In an advantageous embodiment of the invention, the locking element is fixed to the locking position of the locking element when the screw nut is screwed and / or when the screw nut is unscrewed. The device for releasing has a locking and releasing tongue connected to the locking element. This locking and releasing tongue is secured to the complementary receiving portion of the screw bushing in a shape-coupled manner when the screw nut is screwed, while the screw bushing is released when the screw nut is unscrewed. The locking element can be removed from its locking position by moving away from the receiving part.

  In order to simplify the operation of the locking and releasing tongue for releasing the locking element, this locking and releasing tongue is advantageously manufactured from a plastic material together with the locking element. In this case, the locking and releasing tongue is effectively accessed as it is after the locking and releasing tongue is unscrewed by the screw nut, so that the locking and releasing tongue is elastic. Through the mutually opposite longitudinal recesses in the interior of the screw bushing, preferably beyond the free end of the screw bushing, so that they are pressed together by a general deformation and the locking element leaves the locking position ing.

  In a further advantageous embodiment of the invention, the locking of the locking and release tongue and the locking of the locking element by this locking are carried out using a locking overhang. This locking overhang is formed on a clawed ring that is rotatably connected to the screw nut, and enters the inside of the screw bush through the slit opening of the screw bush to vertically lock and release the tongue. Secure in the directional recess. Effectively, the claw ring is provided with a claw on an end surface facing the vehicle body portion, and the claw bites into the outside of the vehicle body portion when the screw nut is screwed, so that the fixing seat of the antenna support device is fixed. Acting on the body part.

  According to a further advantageous embodiment of the invention, the locking element together with the locking and releasing tongue forms part of a plastic part independent of the antenna base. This locking element is inserted into the receiving opening from the surface facing the vehicle body portion of the antenna base until the contact point is reached before or after the fixing portion is inserted into the opening of the vehicle body portion. At this abutment point, the locking and releasing tongue is arranged in a recess inside the screw bush, and the locking element is engaged with the boundary edge of this opening when the fixing part passes through the opening in the body part. Can be combined.

  In order to allow the locking element to pass through the fixing part and engage with the edge of the opening in the body part, the fixing part has in particular a notch on the side. The cutout is effectively disposed between the screw bushing and the antenna base substrate in contact with the vehicle body portion from the inside in the base of the fixed portion that conforms to the cross section of the vehicle body opening.

The present invention will be described in detail in the embodiments illustrated in the accompanying drawings, as will be described later. In the drawing
FIG. 1 is a side view partially showing a disassembled antenna support device according to the present invention attached to the roof of a motor vehicle.
FIG. 2 is a partial cross-sectional view showing the portion of the antenna support device shown in FIG. 1 after being locked to the roof of the vehicle for fixation during antenna installation;
FIG. 3 is a cross-sectional view corresponding to FIG. 2 after unlocking,
FIG. 4 is a perspective view seen from below showing a fixing element for fixing the antenna support device to the roof of the vehicle,
FIG. 5 is a perspective view of the antenna base of the antenna support device as seen from above.

DESCRIPTION OF EMBODIMENTS OF THE INVENTION An antenna support device 2 shown in the drawings is used to attach a roof antenna (not shown) to a roof 4 of a motor vehicle. The roof 4 is provided with a substantially square opening 6 at a desired site to which the antenna is to be attached.

  As shown in FIG. 1, the antenna support device 2 mainly has a fixing portion 12 that penetrates the substrate 10 and protrudes upward, and has an opening 6 from the inside, that is, from the passenger compartment to the outside. An antenna base 8 inserted into the roof 4 through the ring, an annular fixing element 14 for fixing the antenna base 8 to the roof 4 that can be joined to the protruding fixing part 12, and the fixing part 12 through the opening 6. After that, the antenna base 8 is fixed to the roof 4 in the state shown in FIG. 2, and is constituted by a fixing or positioning auxiliary portion 16 that maintains this state by attaching the fixing element 14.

  The substantially annular substrate 10 of the antenna base 8 is provided with a packing 18 surrounding the fixed portion 12 on the upper surface of the substrate 10 facing the lower surface of the roof 4. The packing 18 is sandwiched between the substrate 10 and the roof 4 by attaching the support device 2 to prevent moisture from entering the inside of the vehicle. Further, an electronic circuit of an antenna and a printed circuit board (not shown) are attached to the substrate 10, and this antenna penetrates through the antenna conduit 20 inside the fixed portion 12 and is outside or above the roof 4. Extends to the side. On the outside or upper side surface of the roof 4, the antenna is guided through an antenna casing (not shown) fixed to the fixing portion 12 and protrudes upward from the roof 4.

  Below the fixing part 12, the substrate 10 is provided with a rectangular receiving opening 22 in cross section for the fixing or positioning auxiliary part 16 made of elastically deformable hard plastic as an injection molding part. . This fixing or positioning aid 16 has the longitudinal cross section illustrated in FIGS. 1, 2, and 3 and includes two independent locking elements 24. These locking elements 24 protrude upwardly from a base 26 provided with a separate cable guide 28 for an antenna cable (not shown), away from each other and upward, respectively. A locking hook 30 is provided, which terminates in two elongated, rectangular cross-section locking and release tongues 32 and is aligned in parallel with each other in the undeformed state.

  The fixing part 12 integrally coupled to the substrate 10 is mainly composed of a square base 34 arranged for mounting in the opening 6 and a predetermined space above the base 34. The screw bush 36 having a male screw 38 for screwing and fixing the screw nut 40 of the fixing element 14 is arranged.

  As shown in FIG. 5, the base 34 has a cross section corresponding to the opening cross section of the opening 6, and the base 34 is fixed or inserted into the fixing portion 12 through the opening 6. When fixed to the roof 4 by the positioning assisting part 16, the relative rotation preventing part of the substrate 10 is formed in cooperation with the boundary edge (defining edge) 42 of the opening 6. Further, the base 34 is provided with opposing notches 44 (only one is shown) on two of its four boundary walls (defining walls), and the locking hooks facing the fixing or positioning auxiliary portion 16 are opposed to each other. 30, both of which penetrate the notch 44 and engage with the boundary edge 42 of the opening 6, the fixing element 14 is screwed and fixed to the fixing portion 12, and the antenna base 8 is pivoted with respect to the roof 4. Fix immovable in the direction.

  As shown in FIG. 2, the fixing or positioning auxiliary portion 16 has two contact shoulders 46 arranged on the upper portion of the locking hook 30 with respect to a boundary edge (defining edge) 48 above the notch 44. The receiving hook 22 is inserted in advance from below into the receiving opening 22 of the antenna base 8 until the locking hook 30 protrudes from the notch 44 toward the outside in the radial direction.

  As shown in FIGS. 3 and 5, the screw bush 36 surrounds the antenna passage 20 extending through the fixing portion 12 and two parallel longitudinal recesses 50 in the inside thereof. The longitudinal recess 50 is opposed to both sides of the antenna passage 20 and functions to lock the fixing or positioning auxiliary portion 16 incorporated in the antenna base 8 and to receive the release tongue 32. As shown in FIG. 2, the fixing or positioning auxiliary portion 16 extends beyond the free end of the screw bush 36 in the longitudinal recess 50.

  The screw bush 36 is further provided with a slit opening 52 (FIG. 5) on the side surface. The slit opening 52 extends through the peripheral wall 54 of the screw bush 36 from the free end of the screw bush 36 to the base 34 at an angular position perpendicular to the notch 44.

  As shown in FIGS. 1 and 4, the fixing element 14 includes a clawed ring 60, in addition to a screw nut 40 having an outer hexagonal edge 58 for screwing and fixing to the male screw 38 of the screw bush 36 of the fixing portion 12. And a fixing ring 62 disposed between the screw nut 40 and the claw ring 60 and interrupted at one place in the circumferential direction. The fixing ring 62 connects the claw ring 60 to the screw nut 40 so as to be rotatable with respect to each other about the screw shaft of the screw nut 40. The screw nut 40 has an annular receiving groove 64 at its end facing the roof 4, and is provided in the receiving groove 64 at the adjacent end of the elastically deformable fixing ring 62. The retaining flanges engaged are engaged. The fixing ring 62 similarly has a holding flange at the end portion on the reverse force side. This holding flange grips the end 66 on the side away from the roof 4 bent toward the inside of the claw ring 60 from the back and holds it adjacent to the complementary end of the screw nut 40. . The claw ring 60 is provided with a claw 68 protruding on the lower surface facing the roof 4. When the screw nut 40 is screwed to the screw bush 36, the claw 68 bites into the roof 4 to firmly fix the antenna support device 2 when pressed against the outer surface, that is, the upper surface of the roof 4 from above. . As shown in FIG. 4, the claw ring 60 has a substantially rectangular projecting portion 70 that protrudes radially inward from the end portion 66, and this projecting portion 70 is an interruption of the fixing ring 62. The portion 72 extends with play. The lateral width of the overhanging portion 70 is such that the overhanging portion 70 can be inserted into the slit opening 52 when the screw nut 40 is fitted on the screw bush 36, and at the time of screwing of the screw nut 40 to the slit opening 52. It is slightly smaller than the inner width of the slit opening 52 of the screw bush 36 so that it can move along. The projecting dimension of the projecting portion 70 in the radial direction is such that when the fixing element 14 having the screw nut 40 is attached to the screw bush 36 and the projecting portion 70 is introduced into the screw bush 36 through the slit opening 52, The portion extends to the front of the vertical recess 50 in the screw bush 36, and is set so as to secure the locking and release tongue 32 of the fixing or positioning auxiliary portion 16 in the vertical recess 50.

  The locking in the longitudinal recess 50 and the locking (securing) of the release tongue 32 are performed when the fixing portion 12 of the antenna base 8 is slightly tilted in the opening 6 when the screw nut 40 is screwed. The locking element 30 prevents deformation of the locking element 24 so that the locking hook 30 itself cannot be unintentionally released from the locking position above the boundary edge 42 of the opening 6.

  On the other hand, the locking hook 30 can be easily released from the locking position for removal of the antenna base 8 when the antenna support device 2 needs to be replaced. In this case, after removing the screw fixing of the fixing element 14, the end portions of the locking and release tongue portions 32 protruding above the end portion of the screw bush 36 are pressed together, and as shown in FIG. The engagement with the boundary edge 42 is released.

FIG. 2 is a side view of the antenna support device according to the present invention attached to the roof of a motor vehicle with a partial cross-section and exploded. It is a fragmentary sectional view which shows the part of the antenna support apparatus shown in FIG. 1 after latching to the roof of a vehicle for fixation at the time of antenna attachment. FIG. 3 is a cross-sectional view corresponding to FIG. 2 after unlocking. It is the perspective view seen from the lower side which shows the fixing element for fixing an antenna support apparatus to the roof of a vehicle. It is the perspective view seen from the upper side which shows the antenna base part of an antenna support apparatus.

Claims (10)

  An antenna support device for mounting an antenna on a vehicle body part, particularly a vehicle body roof, provided with an opening of a motor vehicle, and a fixing part having a screw bush that can be inserted from the inside or the back side of the vehicle body part through the opening An antenna base, and a screw nut that can be screwed into the projecting screw bush to fix the antenna base to the outer surface or the upper surface of the vehicle body portion, and the antenna base is screwed into the screw nut. In this case, it is possible to fix the vehicle part in a non-movable manner by the relative rotation preventing part acting between the fixing part and the edge of the opening and by locking the locking element and the edge of the opening. In certain types, the locking element (24) is restrained in the locking position when the screw nut (40) is screwed and / or engaged when the screw nut (40) is unscrewed. Apparatus for releasing the element (24) to (32,70) are provided, the antenna support and wherein the.   The device (32, 70) has a locking and unlocking tongue (32) coupled to the locking element (24), the locking and unlocking tongue (32) being screwed on the screw nut (40). The locking and release tongue (32) is secured in the recess (50) of the screw bush (36) when mating, and the locking element (24) The antenna support device according to claim 1, wherein the antenna support device is movable from the recess (50) by being detached from the locking position.   3. The locking and releasing tongue (32) fits into the longitudinal recess (50) oppositely arranged inside the screw bush (36) in a shape-coupled manner, i.e. with shape constraints. Antenna support device.   The antenna support device according to claim 2 or 3, wherein the locking and releasing tongue (32) protrudes above the free end of the screw bush (36).   The device (32, 70) has a locking overhang (70) that is rotatable with respect to the screw nut (40), the locking overhang (70) being a screw bushing. The locking and release tongue (32) is secured in the recess (50) by rushing into the screw bush via the slit opening (52) of (36). The antenna support device according to item.   The locking overhang (70) is integrally coupled to the claw ring (60), and the claw ring (60) is brought into the outer surface of the vehicle part (4) when the screw nut (40) is screwed. The antenna support device according to claim 5, wherein the antenna support device bites into the antenna support device.   The locking element (24) and the locking and release tongue (32) are formed in a plastic part (16) that can be fitted into the opening of the antenna base (8), independent of the antenna base (8). The antenna support apparatus of any one of Claims 2-6.   The antenna support device according to any one of claims 1 to 7, wherein the fixing portion (12) has a notch (44) in the side portion for receiving the portion (30) of the locking element (24).   An antenna, in particular a roof antenna for a motor vehicle, comprising an antenna support device (2) according to claims 1-8. A motor vehicle having an antenna with an antenna support device supported by a vehicle body portion, wherein the antenna support device is
An antenna base provided with a fixing portion protruding from the inside of the vehicle body portion through the opening of the vehicle body portion and having a screw bush;
In order to attach the antenna base to the outside of the vehicle body part, a screw nut screwed into the screw bush,
A relative rotation preventing part that acts between the fixed part and the edge of the opening;
In a type including a locking element that fixes an antenna base to a vehicle body part when screwing a screw nut, and an edge of an opening and a locking state.
The locking element (24) is connected to a deformable release tongue (32), the release tongue (32) extending to the free end of the screw bush (36). A motorized vehicle.

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