JP6562294B2 - Antenna holding structure in vehicle interior material - Google Patents

Description

  The present invention relates to an antenna holding structure in an interior material of a vehicle, and more particularly, to an antenna holding structure in which an antenna is unlikely to come off against bending of the trim when the antenna is fixed to the back side of an interior trim.

As is well known, in recent years, a technique has been developed that enables the remote operation of locking and unlocking a vehicle door by transmitting and receiving radio waves. In order to open and close such a door lock, a vehicle equipped with a keyless entry device antenna on a vehicle body is widely known. As disclosed in Patent Document 1, there is a structure in which a mounting bracket portion is integrally formed in order to mount a small LF antenna on a door trim of an automobile. The LF antenna is an antenna having a spherical communication range using an LF band of 30 to 300 [kHz].
The mounting bracket portion of the LF antenna includes an antenna engaging portion formed integrally with the door trim and an antenna fastening portion.

  Conventionally, as disclosed in Patent Document 2, there is known a structure in which a mounting bracket portion is integrally formed to mount a small LF antenna on a tail end trim.

JP 2011-42320 A JP 2014-83933 A

  However, in the mounting structures as described in Patent Documents 1 and 2 above, the impact on the trim from the vehicle interior is not taken into account, and if a load is applied to the trim from the vehicle interior after installation, the deformation of the trim Therefore, there is a problem that bending stress is generated on the antenna, and the antenna is broken and dropped.

  An object of the present invention is to provide an antenna holding structure in an interior material of a vehicle in which bending stress is not directly applied to the antenna due to deformation of the interior material when a load is applied to the interior material from the vehicle interior.

In order to solve the above-mentioned problems, the present invention holds an end portion in the longitudinal direction of an antenna in an antenna holding structure equipped with an antenna that receives an engagement command signal or an engagement release signal of a door lock mechanism on the back surface of an interior material. A holding portion that locks the other end portion in the longitudinal direction of the antenna, and the interior portion of the antenna is disposed on the holding portion side and the back surface of the interior material on the locking portion side. A rib for maintaining a gap with the back surface of the material is provided, and a first claw portion having a bending function for elastically locking the other end of the antenna is provided as the locking portion.
Further, according to the present invention, a second claw portion facing the width direction of the antenna is provided as the locking portion together with the first claw portion having a bending function, and the second claw portion is provided as the first claw portion. In addition to being formed so as not to bend with respect to the claw portion, the first claw portion is provided on the end side in the longitudinal direction of the antenna with respect to the position of the second claw portion.
Furthermore, the present invention provides a rib extending in a direction orthogonal to the longitudinal direction of the antenna between the first claw portion and the second claw portion, and the first claw portion and the second claw portion. Therefore, both ends of the antenna in the direction intersecting with the longitudinal direction of the antenna are locked.
Furthermore, the present invention resides in that one end of a rib extending between the first claw portion and the second claw portion is connected to a base end portion of the first claw portion.
Further, a hook portion for holding a harness extending from the antenna is provided on the back surface of the interior material.
The hook portion extends in the longitudinal direction of the antenna, and a gap for holding the harness is provided between the back surface of the interior material so as to have a certain length along the longitudinal direction of the antenna.
A reinforcing rib shape is provided on the back surface of the interior material around the holding part side and the locking part side.

According to the present invention, the following effects can be obtained.
A holding portion that holds one end of the antenna in the longitudinal direction and a locking portion that locks the other end of the antenna in the longitudinal direction are provided. Since the rib is provided to keep the gap between the interior part and the back surface of the interior material, the antenna is not pushed up even if the intermediate part of the interior material is bent, and the other end of the antenna is used as a locking part. Since the first claw portion having the bending function of elastically locking is provided, it is possible to prevent the antenna from coming off and falling.
As the locking portion, a second claw portion facing the width direction of the antenna is provided together with the first claw portion having a bending function, and the second claw portion is difficult to bend with respect to the first claw portion. Since the first claw portion is provided on the end side in the longitudinal direction of the antenna with respect to the position of the second claw portion, the first claw portion is bent to provide the second claw portion. The antenna can be easily removed from the claw portion.
A rib extending in a direction crossing the longitudinal direction of the antenna is provided between the first claw portion and the second claw portion, and the longitudinal direction of the antenna is formed by the first claw portion and the second claw portion. Since both ends in the direction perpendicular to the inner wall are bent, the interior material is bent, and even if the antenna is pushed up by the rib, the fixing is released because it is locked by the first and second claws. The antenna does not fall off.
Since one end of the rib extending between the first claw part and the second claw part is connected to the base end part of the first claw part, the rigidity of the first claw part is improved and the first claw part is difficult to fall down. Therefore, the antenna can be firmly supported, the rigidity of the base of the second claw shape that does not need to bend when the antenna is removed can be improved, and the antenna can be firmly held.
Since the hook portion that holds the harness extending from the antenna is provided on the back surface of the interior material, it is possible to prevent one end of the antenna from being detached from the holding portion, and thus it is possible to prevent the antenna from falling off.
The hook portion extends in the longitudinal direction of the antenna, and a gap for holding the harness is provided between the back surface of the interior material so as to have a certain length along the longitudinal direction of the antenna. Can be prevented from coming off from the holding portion, so that the antenna can be prevented from falling off.
Since the reinforcing rib shape is provided on the back surface of the interior material around the holding portion side and the locking portion side, it is possible to prevent deformation of the interior material and to prevent the antenna from coming off.

It is a conceptual diagram which shows the interior trim provided as an interior material in the center pillar of a vehicle, and the antenna harness connector of the antenna attached to the back surface of the interior trim. It is a front view which expands and shows the antenna holding structure by embodiment of this invention with which the back surface of the interior trim of FIG. 1 was equipped. FIG. 3 is a perspective view of an antenna holding structure shown with the antenna of FIG. 2 removed. It is a front view which expands and shows the antenna holding | maintenance part and antenna latching | locking part of FIG. It is the sectional view on the AA line of FIG. It is a perspective view which shows the antenna holding | maintenance part and antenna latching | locking part of FIG. FIG. 3 is a sectional view taken along line B-B in FIG. 2. It is CC sectional view taken on the line of FIG. It is a perspective view which shows the modification of the antenna latching | locking part of FIG. It is a perspective view which shows the modification of the antenna latching | locking part of FIG.

Hereinafter, an embodiment of the present invention will be described in detail with reference to the drawings.
FIGS. 1 to 6 show an antenna holding structure according to an embodiment of the present invention, and FIG. 1 is provided on the interior material on the upper side of the center pillar as viewed from the vehicle interior side and on the back surface of the interior material. The antenna harness and connector which receive the engagement command signal or engagement release signal of a door lock mechanism are shown. FIG. 2 shows the antenna and the antenna holding structure provided on the back surface of the interior trim as the interior material. 3 to 6 show the antenna holding mechanism.

  As shown in FIG. 1, the center pillar 1 is provided with an interior trim 20 made of synthetic resin as an interior material 2 that covers the interior side of the pillar. The interior trim 20 covers the interior side of the pillar with the front surface 20a, and receives an engagement command signal or a disengagement signal of the door lock mechanism, as shown in FIG. The antenna 3 is equipped. As this antenna 3, an LF antenna using an LF band of 30 to 300 [kHz] is used. The antenna 3 is a long flat antenna disposed along the front-rear direction of the vehicle body, and includes a harness 31 extending downward from the end of the antenna body 30 and an antenna harness connector connected to the harness 31. 32 is provided. A harness 33 is connected to the antenna harness connector 32, and the door lock mechanism of the vehicle body is operated to engage or release the door lock.

An antenna holding mechanism for mounting the antenna 3 will be described with reference to the embodiment shown in FIGS.
On the back surface 20b of the interior trim 20, an antenna holding portion 21 and an antenna locking portion 22 are provided at a predetermined interval in the front-rear direction of the vehicle body. The antenna holding portion 21 is formed in a rectangular tube shape by a substantially U-shaped frame body 21a with one opening closed, and holds one side of the antenna body 30 by the frame body 21a. On the back surface 20b of the interior trim 20 inside the frame body 21a, a plurality of ribs 21b extending at a constant height along the longitudinal direction of the antenna body 30 to a certain length slightly outside the frame body 21a are provided on the pillar side. The antenna body 30 is prevented from directly contacting the back surface 20b of the interior trim 20.

The antenna locking portion 22 is configured to hold both side portions in the width direction on the other end side of the antenna main body 30 arranged in the vertical direction of the vehicle body with mutual claw portions, and elastically fix the other end of the antenna main body 30. And an elastic claw portion 23 having a bending function to be engaged with each other, and a rigid claw portion 24 to be engaged with the elastic claw portion 23 in the longitudinal direction of the antenna body 30 with rigidity. The elastic claw portion 23 is disposed on the upper side of the vehicle body, and is formed by forming a hook-like claw 23b toward the antenna body 30 at the end of a narrow belt-like arm portion 23a whose thickness in the vertical direction is reduced. The claw 23b is elastically engaged with the antenna body 30 by the bending function of the resin material. On the other hand, the rigid claw portion 24 is formed with a hook-like claw 24b toward the antenna body 30 on the uppermost portion of an inverted U-shaped, so-called gate-shaped arm portion 24a. By making it, it has been given rigidity. The elastic claw portion 23 and the rigid claw portion 24 are arranged in a direction crossing the longitudinal direction of the antenna body 30, that is, in a vertical direction of the vehicle body, and provided in a direction in which the claw 23b and the claw 24b face each other. The elastic claw portion 23 and the rigid claw portion 24 hold the antenna body 30 from both sides in the vertical direction of the vehicle body via the claw 23b and the claw 24b. The elastic claw portion 23 and the rigid claw portion 24 have a fixed height connecting rib 25 extending in the vertical direction of the vehicle body, that is, in the width direction of the antenna body 30, in the vicinity of the arm portion 23 a and the base end portion of the arm portion 24 a. Are connected by The connecting rib 25 is placed on the other end side of the antenna body 30 to prevent the antenna body 30 from coming into close contact with the back surface 20b of the interior trim 20 in the same manner as the rib 21b. As shown in FIG. 5, a gap g is formed between the rib 21b and the connecting rib 25 between the antenna main body 30 without providing a rib or the like, and between the elastic claw portion 23 and the rigid claw portion 24. The interior trim 20 is formed so as to be freely bent.
As shown in FIG. 6, reinforcing ribs 23 c and 23 d extending in the vertical direction of the vehicle body are provided at the base end portion of the arm portion 23 a of the elastic claw portion 23. As shown in FIG. 5, the reinforcing rib 23 d is provided to extend so as to face one end of the antenna body 30, and by locking one end of the antenna body 30, It functions as a stopper that regulates movement in the direction. The arm portion 24a of the rigid claw portion 24 is provided with a reinforcing rib 24c extending on the rear side of the vehicle body on the outer surface facing the rear side of the vehicle body. The arm portion 24a of the rigid claw portion 24 is formed on both sides of the opening hole 24d with a thickness in the vertical direction, and a rib 24e is provided on the lower side of the arm portion 24a, and the arm portion 24a. Regulates bending in the vertical direction of the vehicle body.

Below the antenna holding mechanism, a harness holding 41 for holding the harness 31 in the middle and a harness holding 42 for holding the harness 31 near the antenna harness connector 32 are integrally formed on the back surface 20b of the interior trim 20. It has been. The harness restraint 41 is arranged so as to be shifted in the front-rear direction of the vehicle body with respect to the harness restraint 42, and is configured to guide the harness restraint 42 by bypassing the harness 31 drawn from the antenna body 30.
As shown in FIG. 7, the harness restraint 41 has a hook portion 41a having a constant interval L1 and a constant length L2 between the back surface 20b of the interior trim 20, and the hook portion 41a has a tip 41b on the back surface. It is formed by bending in a direction away from 20b. A protrusion 41e for narrowing the opening 41d is provided on the back surface 20b on the tip opening side 41c of the hook 41a to prevent the harness 31 hooked on the hook 41a from being detached from the hook 41a. ing. Since the hook portion 41a is formed to have a certain length L2 so that it can be adjusted according to the length of the harness 31, when the harness 31 is short, the shortest portion of the hook portion 41a is indicated by a two-dot chain line in FIG. It is formed so as to be drawn downward through a distance. As shown in FIG. 8, the harness retainer 42 is integrally formed with the back surface 20b of the interior trim 20, and is raised from the back surface 20b and has a constant distance L3 between the back surface 20b and a constant length L4. A hook portion 42a is provided. The hook portion 42a is formed by curving the tip 42b in a direction away from the back surface 20b, and a protrusion 42e for narrowing the opening 42d is provided on the back surface 20b on the tip opening side 42c. The hook portion 42a is formed with an opening 42c in the opposite direction to the hook portion 41a.
Further, as shown in FIG. 2, reinforcing ribs 51, 52 projecting toward the pillar panel so as to surround the antenna holding portion 21 and the antenna locking portion 22 on both sides of the back surface 20 b of the interior trim 20. 53 and 54 can be provided to increase the rigidity of both side portions of the interior trim 20. As shown in FIG. 4, a stopper plate 51 a that locks the antenna body 30 in the removal direction is provided on the ribs 51 arranged in the vehicle body front-rear direction of the antenna locking portion 22 to prevent the antenna body 30 from being detached. Among the reinforcing ribs, the rib 54 provided above the antenna holding portion 21 and the antenna locking portion 22 crosses the back surface 20b of the interior trim 20 along the longitudinal direction of the vehicle body as shown in FIG. An elongated rib 55 extended in this manner can also be provided. In FIG. 3, a long rib 55 is formed instead of the rib 54, and other ribs or components are the same as those in the structure of FIG. A handle grip 60 provided on the indoor side is fixed to the back surface 20b of the interior trim 20 by a grip stopper 61.

  According to the embodiment, one end of the antenna body 30 to which the harness 31 is not connected is inserted and held inside the frame body 21a of the antenna holding unit 21, and the antenna to which the harness 31 is connected. The other end portion of the main body 30 is fastened to the antenna locking portion 22. At this time, the elastic claw portion 23 having a bending function of the antenna locking portion 22 is bent to widen the gap, and one side in the width direction of the antenna body 30 is hooked on the hook-like claw 24b of the rigid claw portion 24 having rigidity, The hook-like claw 23 b of the elastic claw portion 23 is hooked and fixed to the other side in the width direction of the antenna body 30. And the harness 31 is inserted in the harness holding | suppressing 41 holding the middle of the harness 31 from the opening part 41d of the hook part 41a, and the harness 31 is hold | maintained. Next, the lower end portion of the harness 31 is inserted into the harness holder 42 from the opening 42c and held. In this way, the antenna harness connector 32 attached to the lower end of the harness 31 is pulled out to the lower end portion of the interior material 2 covering the indoor side of the center pillar 1, and the harness 33 is connected to the antenna harness connector 32 to lock the door of the vehicle body. Electrically connected to the mechanism. Thus, by operating a key held by the driver, the operation signal is received by the antenna 3 and the door lock is engaged or released.

  According to the above-described embodiment, the antenna locking comprising the bag-shaped antenna holding portion 21, the elastic claw portion 23, and the rigid claw portion 24 at a predetermined interval in the front-rear direction of the vehicle body on the back surface 20 b of the interior trim 20. Since the part 22 is provided, one of the antenna main bodies 30 is inserted into the bag-shaped antenna holding part 21, and the other part of the antenna main body 30 is attached to the antenna locking part 22 by bending the elastic claw part 23. The antenna body 30 can be easily assembled. In addition, a space is formed between the rib 21b provided on the antenna holding portion 21 side and the connecting rib 25 provided on the antenna locking portion 22 side with the antenna body 30 without providing a rib. Therefore, even when a load is applied to the interior trim 20, the interior trim 20 is formed so that it can be freely bent as shown by a two-dot chain line in FIG. Since the antenna body 30 is not pushed up even if it is bent, the antenna body 30 is not detached from the antenna holding portion 21 and the antenna locking portion 22. Since the antenna main body 30 does not bend in the direction in which the antenna main body 30 is released from the elastic claw portion 23 and the rigid claw portion 24, it is possible to prevent a problem that the antenna main body 30 is detached and dropped. Since the intermediate portion of the interior trim 20 can be bent in this manner, a load can be absorbed, so that no bending stress is directly applied to the antenna due to the deformation of the interior material, so that an impact is applied to the antenna body 30. Absent.

  The antenna locking portion 22 has a rigid claw portion 23 having a bending function for elastically locking the other end of the antenna body 30 and a slightly inner side in the longitudinal direction of the antenna body 30 than the elastic claw portion 23. The antenna body 30 can be detached from the rigid claw portion 24 by pushing up the antenna body 30 in the direction in which the elastic claw portion 23 having a bending function bends. Workability during maintenance is improved. In addition, the elastic claw portion 23 and the rigid claw portion 24 have a constant height connecting rib extending in the vertical direction of the vehicle body, that is, in the width direction of the antenna body 30, in the vicinity of the arm portion 23 a and the base end portion of the arm portion 24 a. 25, since the interior trim 20 is bent and the antenna body 30 is pushed up by the connecting rib 25, it moves in the direction of the elastic claw portion 23 and the rigid claw portion 24. There is no risk of the main body 30 falling off.

  Since the connecting rib 25 provided between the elastic claw portion 23 and the rigid claw portion 24 is connected to the base end portion of the arm portion 24a of the rigid claw portion 24, the rigidity of the connecting rib 25 is improved and it is difficult to fall down. Therefore, the antenna body 30 can be securely held. Further, the antenna locking portion 22 that holds the antenna main body 30 together with the bag-shaped antenna holding portion 21 is provided with a reinforcing rib 23d having a stopper function for locking one end of the antenna main body 30. The movement of the antenna body 30 in the vehicle front-rear direction can be restricted, the problem that one end of the antenna body 30 is detached from the bag-shaped antenna holding portion 21 can be prevented, and the antenna body 30 can be prevented from falling off. Further, below the antenna holding mechanism, a harness holding member 41 that holds the harness 31 in the middle is provided, and the hook portion 41a of the harness holding member 41 has a harness 31 in a direction in which the antenna body 30 enters the bag-shaped antenna holding unit 21. Is supported. The hook portion 41a of the harness restraint 41 enables the harness 31 to move along the longitudinal direction of the antenna body 30, so that it can be held according to the length of the harness 31 and one end of the antenna body 30 is a bag. Can be prevented from coming off from the antenna holding portion 21 and the antenna body 30 can be prevented from falling off. Further, reinforcing ribs 51, 52, 53, 54 that protrude toward the pillar panel are provided on both sides of the back surface 20 b of the interior trim 20 so as to surround the antenna holding portion 21 and the antenna locking portion 22. Since the rigidity of both side portions of the interior trim 20 can be increased, the interior trim 20 can be prevented from being deformed, and the problem that the antenna body 30 is detached from the antenna holding portion 21 and the antenna locking portion 22 can be prevented. it can.

  FIG. 9 and FIG. 10 show modifications of the present invention. FIG. 9 shows a plate-like wall portion 24f provided as a rigid claw portion 24 of the antenna locking portion 22 in place of the gate-shaped arm portion 24a. A claw 24b is provided at the top of the portion 24f. The effect of this modification is the same as that of the embodiment described in FIG. FIG. 10 is a modified example of FIG. 8. In this case, the rear surface 20 b of the interior trim 20 is a harness restraint 43 that replaces the harness restraint 42, and a pair of claw portions 43 a are provided in a projecting manner. The harness 31 is held between each other.

  The present invention is not limited to the above embodiment. For example, in the antenna locking portion 22, the other side of the antenna body 30 is held from both sides by the elastic claw portion 23 and the rigid claw portion 24. However, it can also be held by a pair of elastic claws. In addition, it goes without saying that the present invention can be implemented with appropriate modifications within the scope that does not change the technical scope of the present invention.

DESCRIPTION OF SYMBOLS 1 Center pillar 2 Interior material 3 Antenna 20 Interior trim 20a Front surface 20b Back surface 21 Antenna holding part (holding part)
21a Frame 21b Rib 22 Antenna locking part (locking part)
23 Elastic Nail (Nail)
23a Arm part 23b Claw 23c, 23d Reinforcing rib 24 Rigid claw part (claw part)
24a Arm part 24b Claw 24c Reinforcing rib 24d Opening hole 24e Rib 25 Connecting rib 30 Antenna body 31, 33 Harness 32 Antenna harness connector 41, 42 Harness restraint 41a, 42a Hook part 41b, 42b Tip 41c, 42c Tip opening side 41d 42d Opening 41e Protrusion 51, 52, 53, 54 Reinforcing rib 55 Rib g Gap

Claims (7)

In an antenna holding structure equipped with an antenna that receives an engagement command signal or an engagement release signal of a door lock mechanism on the back surface of the interior material, a holding portion that holds one end portion in the longitudinal direction of the antenna, and a longitudinal direction of the antenna A locking portion for locking the other end portion, and for maintaining a gap between the intermediate portion of the antenna and the back surface of the interior material on the back surface of the interior material on the holding portion side and the locking portion side An antenna holding structure in an interior material of a vehicle, wherein a rib is provided and a first claw portion having a bending function for elastically locking the other end of the antenna is provided as the locking portion.   As the locking portion, a second claw portion facing in the width direction of the antenna is provided together with the first claw portion having a bending function, and the second claw portion is bent with respect to the first claw portion. 2. The vehicle according to claim 1, wherein the first claw portion is provided on the end side in the longitudinal direction of the antenna with respect to the position of the second claw portion. Antenna holding structure in interior materials.   A rib extending in a direction orthogonal to the longitudinal direction of the antenna is provided between the first claw portion and the second claw portion, and the longitudinal direction of the antenna is formed by the first claw portion and the second claw portion. The antenna holding structure in an interior material of a vehicle according to claim 2, wherein both ends in a direction intersecting with the vehicle are locked.   The vehicle interior material according to claim 3, wherein one end of a rib extending between the first claw portion and the second claw portion is connected to a base end portion of the first claw portion. Antenna holding structure.   The antenna holding structure in an interior material for a vehicle according to any one of claims 1 to 4, wherein a hook portion for holding a harness extending from the antenna is provided on a back surface of the interior material.   The hook portion extends in the longitudinal direction of the antenna, and a gap for holding the harness is provided between the back surface of the interior material so as to have a certain length along the longitudinal direction of the antenna. The antenna holding structure in the vehicle interior material according to claim 5. The antenna holding structure in an interior material of a vehicle according to any one of claims 1 to 6, wherein a reinforcing rib shape is provided on a back surface of the interior material around the holding portion side and the locking portion side. .

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