JP2009262879A - Mounting structure of resin component - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a mounting structure of a resin component improving appearance and enhancing merchantability by suppressing the positional shift between an instrument panel body and the resin component. <P>SOLUTION: The mounting structure of the resin component is equipped with a first engagement means provided for the resin component 20 and engaged with the instrument panel body 53 to a second direction different from a first direction while regulating relative movement to the predetermined first direction relative to the instrument panel body 53, and second engagement means 72, 86 arranged on boundary parts 71, 85 between the resin component 20 and the instrument panel body 53 for regulating relative movement of the resin component 20 to a third direction relative to the instrument panel body 53. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a resin component mounting structure in an instrument panel of a vehicle.

For example, when mounting a resin component such as an air bag grid on the top surface of the instrument panel main body, an engagement portion that protrudes in the mounting direction from the intermediate portion near the periphery of the resin component to the instrument panel main body is attached to the instrument panel main body. There is a structure to be engaged (see, for example, Patent Document 1).
Japanese Patent Laid-Open No. 10-310013

  As described above, when the engaging portion provided in the intermediate portion in the vicinity of the peripheral portion of the resin component is engaged with the instrument panel main body, the instrument panel main body and the resin component are likely to be displaced, and the appearance is good. There was a possibility that it deteriorated and the merchantability was impaired.

  Accordingly, an object of the present invention is to provide a resin component mounting structure that can improve the appearance and improve the commerciality by suppressing the displacement between the instrument panel body and the resin component.

  In order to achieve the above object, the invention according to claim 1 is directed to mounting a resin component (for example, the air bag grid 20 in the embodiment) disposed on the upper surface of the instrument panel body (for example, the instrument panel body 53 in the embodiment). The first direction with respect to the instrument panel body in a state of being provided in the resin part and restricting relative movement of the resin part in a predetermined first direction with respect to the instrument panel body. First engaging means (for example, clip holding portions 82, 87, 104, clips 83, 88, 105 in the embodiment) that engage in a second direction different from the above, the resin component, and the instrument panel body Arranged on the boundary part (for example, right boundary parts 71 and 85 in the embodiment), the instrument of the resin component Second engagement means for restricting relative movement of the first panel body in the third direction different from the first direction and the second direction (for example, the engagement protrusion 72 and the right engagement piece 86 in the embodiment). ).

  The invention according to claim 2 is the invention according to claim 1, wherein the first engagement receiving portion of the instrument panel main body that engages with the first engagement means (for example, the right engagement receiving portion 75 in the embodiment, The rear engagement receiving portion 100) allows relative movement of the first engagement means in the third direction.

  The invention according to claim 3 is the invention according to claim 1 or 2, wherein the resin component is a rectifying plate portion for an air conditioner (for example, in the embodiment) oriented along the engaging direction of the first engaging means. A rectifying plate portion 92) is provided.

  According to the first aspect of the present invention, when the resin component is engaged with the instrument panel body in the first engagement means, the relative movement in the predetermined first direction is restricted, and the engagement direction is A relative movement in a second direction different from the first direction is also restricted. Further, the relative movement of the resin component in the third direction different from the first direction and the second direction is restricted by the second engagement means on the boundary with the instrument panel main body. Therefore, since the resin part can be engaged with the instrument panel body while restricting the movement in three directions, the positional deviation between the instrument panel body and the resin part can be suppressed, and as a result, the appearance is improved. The merchantability can be improved. In addition, since the resin component is restricted in relative movement in the third direction different from the first direction and the second direction by the second engaging means on the boundary with the instrument panel body, this Generation of a gap at the boundary can be prevented.

  According to the invention of claim 2, since the first engagement receiving portion of the instrument panel body engaged with the first engagement means allows the first engagement means to move in the third direction, The degree of freedom in the moving direction of the one engaging means is increased, and the mounting work can be facilitated.

  According to the invention of claim 3, since the rectifying plate portion for the air conditioner is oriented along the engaging direction of the first engaging means, the resin part can be made to have the same mold release direction. As a result, molding becomes easy.

  An embodiment of the present invention will be described below with reference to the drawings. In the following description, front / rear and left / right are front / rear and left / right based on the vehicle.

  FIG. 1 shows an instrument panel 1 and its related parts arranged in a vehicle interior of the vehicle. The instrument panel 1 extends downward from an upper surface portion 2 and a rear edge of the upper surface portion 2. A vertical surface portion 3, a step upper surface portion 4 extending rearward from the lower edge portion of the vertical surface portion 3, and a front surface portion 5 inclined downward and extending downward from the rear edge of the step upper surface portion 4. Have.

  On the right side of the upper surface portion 2 of the instrument panel 1, a meter 10 that displays a vehicle speed and the like toward the driver, a visor 11 that is arranged so as to cover the upper side of the meter 10, and the periphery of the meter 10 are covered. A visor cover 14 including an upper cover 12 and a lower cover 13 are provided.

  Further, on the left side of the upper surface portion 2 of the instrument panel 1, a resin airbag grid (resin component) 20 that is detached from the instrument panel 1 when the passenger seat airbag is deployed is disposed.

  An AV unit 21 is provided at an intermediate portion in the left-right direction of the vertical surface portion 3 of the instrument panel 1, and an air conditioner outlet 22 is provided on each side of the AV unit 21.

  A drink holder 28 is provided on each of the left and right ends of the stepped upper surface portion 4 of the instrument panel 1, and a storage tray 29 is provided at the front position of the intermediate portion in the left and right direction. Further, an air conditioner operation unit 31 is arranged on the left side and a shift lever 32 is arranged on the right side behind the storage tray 29 on the stepped upper surface portion 4. Further, a steering wheel 34 is provided on the step upper surface portion 4 on the right side of the shift lever 32 via a steering column 33.

  In the front part 5 of the instrument panel 1, a drink holder 38 is provided on the upper side of the middle part in the left-right direction, and a storage part 39 extending to the floor is provided on the lower side of the middle part in the left-right direction. It has been. Further, a glove box 50 is provided on the opposite side to the steering wheel 34 in the left-right direction on the front portion 5 of the instrument panel 1.

  The instrument panel 1 is provided with a steering hanger beam 51 extending in the left-right direction on the front side of the middle part in the vertical direction, and the left and right ends of the steering hanger beam 51 are not shown in the drawings. The instrument panel 1 is attached to the vehicle body by being fixed to the vehicle body so as to connect them. The steering hanger beam 51 supports a steering shaft (not shown) connected to the steering wheel 34.

  The instrument panel 1 has the above-described airbag grid 20 and an instrument panel main body 53 that holds the airbag grid 20 in a detachable manner.

  A lid attachment portion 55 shown in FIG. 2 to which the air bag grid 20 is attached is formed on the left side of the upper surface of the instrument panel main body 53. The lid attachment portion 55 is more than the design surface 56 of the instrument panel main body 53. There is a slightly lower peripheral portion 57, a storage recess 58 in the middle of the peripheral portion 57 and recessed below the peripheral portion 57, and a duct opening 59 penetrating vertically on the left side of the storage recess 58. Yes. The passenger seat airbag device 60 shown in FIG. 3 is housed in the housing recess 58, and the duct 61 shown in FIG.

  The peripheral portion 57 is formed with a front boundary portion 62 disposed at the front edge portion thereof at the boundary with the attached airbag grid 20. The front boundary portion 62 is formed so as to be lowered from the rear edge portion of the design surface 56 in front of the lid mounting portion 55 in the instrument panel main body 53. A plurality of front end engaging holes 63 penetrating in the front-rear direction are formed in the front boundary portion 62 at intervals in the left-right direction.

  Further, on the front boundary portion 62 side of the peripheral portion 57, front escape recesses 65 that are recessed downward and extend rearward are formed at a plurality of positions in the left and right direction including the left and right ends of the front boundary portion 62. A front engagement receiving portion 66 is formed at the front end of each front relief recess 65 perpendicular to the front-rear direction. Each front engagement receiving portion 66 is formed with a front engagement hole 67 penetrating in the front-rear direction.

  The peripheral portion 57 is formed with a right boundary portion 71 arranged at the boundary with the attached airbag grid 20 at the right edge portion. As shown in FIG. 4, the right boundary portion 71 is formed so as to be inclined from the left edge portion of the design surface 56 on the right side of the lid mounting portion 55 of the instrument panel main body 53 so as to be located on the left side as it goes down. Has been. A plurality of engagement protrusions (second engagement means) 72 protruding leftward are formed in the right boundary portion 71 at intervals in the front-rear direction at an intermediate portion in the vertical direction. These engaging protrusions 72 are inclined so that the amount of protrusion from the right boundary portion 71 increases toward the lower side.

  Further, on the right boundary portion 71 side of the peripheral portion 57, right escape recesses 74 that are recessed downward and extend in the front-rear direction are formed at a plurality of positions in the front-rear direction excluding the front end position of the right boundary portion 71. A right engagement receiving portion (first engagement receiving portion) 75 having a rear surface substantially orthogonal to the front-rear direction is formed at the front end portion of each right relief recess 74. A right engagement hole 76 penetrating in the front-rear direction is formed on the rear surface of each right engagement receiving portion 75. Here, the upper portion of the right engagement receiving portion 75 is a stepped portion 77 extending continuously forward from the upper end of the rear surface, and each right engagement hole 76 passes through the stepped portion 77 and goes upward. It has a shape.

  Further, on the rear edge side of the peripheral portion 57, as shown in FIG. 2, a rear engagement receiving portion (first engagement receiving portion) 100 having a rear surface substantially orthogonal to the front-rear direction at a plurality of positions in the left-right direction. In each rear engagement receiving portion 100, a rear engagement hole 101 penetrating in the front-rear direction is formed in each rear surface. Here, the upper part of the rear side engagement receiving part 100 is formed as a step part 102 extending continuously forward from the upper end of the rear surface, and each rear side engagement hole 101 also passes through the step part 102 and passes upward. It has a shape that can be easily removed.

  As shown in FIG. 3, the airbag grid 20 has a front boundary 80 disposed at the front edge of the airbag grid 20 at the boundary with the design surface 56 of the instrument panel main body 53. A plurality of front end engaging piece portions 81 extending forward are formed in the front boundary portion 80 at intervals in the left-right direction.

  In addition, the air bag grid 20 includes a plurality of clip holding portions 82 extending forward as shown in FIG. 5 on the lower surface of the front end edge side, including left and right ends spaced apart in the left-right direction as shown in FIG. A clip (first engagement means) 83 directed forward is attached to each of the clip holding portions (first engagement means) 82.

  Further, the airbag grid 20 is formed with a right boundary portion 85 disposed on the right edge portion thereof at the boundary with the instrument panel main body 53. In the right boundary portion 85, a plurality of right engagement piece portions (second engagement means) 86 protruding in the right direction are formed at intermediate portions in the vertical direction with a space in the front-rear direction.

  Further, the air bag grid 20 has a clip holding portion (first engagement means) 87 extending forward as shown in FIG. 5 on the lower surface on the right boundary portion 85 side, as shown in FIG. Except for this, it is formed at a plurality of locations at intervals in the front-rear direction, and clips (first engagement means) 88 directed forward are also attached to these clip holding portions 87.

  Further, the air bag grid 20 has a clip holding portion (first engagement means) 104 extending forward as shown in FIG. 5 on the rear edge side as well, as shown in FIG. A clip (first engagement means) 105 directed forward is attached to each clip holding portion 104.

  In addition, as shown in FIG. 6, the air bag grid 20 is formed with a plurality of airflow unit rectifying plate portions 92 in the vicinity of the left end thereof with a space in the front-rear direction. 2 are formed on both the front and rear sides of each rectifying plate portion 92, and discharge directions 93 for discharging air from the air-conditioner duct 61 shown in FIG. 92. In the airbag grid 20, the directing direction of each rectifying plate portion 92 is along the extending direction of the clip holding portions 82, 87, 104.

  When such an airbag grid 20 is attached to the lid mounting portion 55 of the instrument panel main body 53, the front boundary of the airbag grid 20 shown in FIG. 3 is obtained by moving the airbag grid 20 forward with respect to the instrument panel main body 53. The front end engaging piece 81 of the portion 80 is inserted into the front end engaging hole 63 of the front boundary 62 of the instrument panel main body 53 shown in FIG. 2, and the clip 83 on the front boundary 62 side of the airbag grid 20 shown in FIG. The clip 88 on the right boundary portion 85 side of the airbag grid 20 shown in FIG. 3 is inserted into the front engagement hole 67 on the front boundary portion 62 side of the instrument panel main body 53 shown in FIG. The clip 1 on the rear edge side of the airbag grid 20 shown in FIG. 3 is inserted into the right engagement hole 76 on the right boundary portion 71 side of the main body 53. 5 are respectively engaged with the rear engagement holes 101 of the instrument panel main body 53 shown in FIG. 2, and the front boundary 80 of the airbag grid 20 shown in FIG. 3 is connected to the instrument panel main body 53 shown in FIG. It is abutted against the front boundary portion 62 of the lid attaching portion 55 of the lid. At this time, as shown in FIG. 4, the right engagement hole 76 on the right boundary portion 71 side of the instrument panel main body 53 is shaped to be pulled upward, and the rear engagement hole 101 shown in FIG. 2 is also pulled upward. Due to the shape, the clip 88 is engaged with the upper portion of the right engagement hole 76 and the clip 105 is engaged with the upper portion of the rear engagement hole 101, so that the rear portion of the air bag grid 20 is The state is slightly lifted with respect to the ment panel body 53.

  Next, when the rear portion of the airbag grid 20 is pushed downward, the clip 88 on the right side of the airbag grid 20 shown in FIG. 3 is engaged with the right engagement receiving portion 75 of the instrument panel main body 53 shown in FIG. The right engagement piece 86 of the right boundary portion 85 of the airbag grid 20 shown in FIG. 3 is engaged with the right engagement receiving portion 75 over the entire height relative to the lower side. As shown in FIG. 7, the clip 105 on the rear edge side of the airbag grid 20 shown in FIG. 2 engages with the rear engagement receiving portion 100 over the entire height by relatively moving downward with respect to the rear engagement receiving portion 100 of the instrument panel main body 53 shown in FIG. In this state, the right boundary portion 85 of the airbag grid 20 is abutted against the right boundary portion 71 of the lid mounting portion 55 of the instrument panel main body 53.

  That is, when the airbag grid 20 is attached, the front clip 83 is moved to the front engagement hole 67 of the instrument panel main body 53 by moving the airbag grid 20 forward with respect to the instrument panel main body 53. Is engaged with the right engagement hole 76 of the instrument panel main body 53, and the rear clip 105 is engaged with the rear engagement hole 101 of the instrument panel main body 53. At this time, the airbag grid 20 restricts the relative movement in the left-right direction (first direction) with respect to the instrument panel main body 53, and the front (second second) is different from the left-right direction with respect to the instrument panel main body 53. In the direction) so as not to come out backward. After that, by moving the airbag grid 20 downward with respect to the instrument panel main body 53, the right engagement piece 86 disposed on the right boundary 85 of the airbag grid 20 is moved to the instrument panel main body 53. It rides on the engagement protrusion 72 arranged on the right boundary 71 and enters below to engage. As a result, the relative movement in the vertical direction (third direction) of the airbag grid 20 with respect to the instrument panel main body 53 is restricted, and as a result, the relative movement in the three directions of front, rear, left, right and up is restricted.

  In addition, the right engagement receiving portion 75 of the instrument panel main body 53 that engages with the right clip 88 in the above-described manner is formed so that the right engagement hole 76 is disengaged above, so that the right clip 88 is relatively moved downward. Will be allowed. Similarly, the rear engagement receiving portion 100 of the instrument panel main body 53 that engages with the rear clip 105 is pulled down above the rear clip 105 due to the shape of the rear engagement hole 101 being pulled out above. Relative movement is allowed. Thereby, even in a configuration in which the airbag device 60 is supported so as to protrude relatively large below the airbag grid 20 with respect to the instrument panel main body 53, attachment in the front-rear direction is possible.

  Further, the rectifying plate portion 92 of the airbag grid 20 is oriented along the front-rear direction, which is the engagement direction of the clips 83, 88, 105.

  According to the embodiment described above, when the air bag grid 20 which is a resin component is engaged with the instrument panel main body 53 at the clips 83, 88, 105, the relative movement in the left-right direction is restricted, and Relative movement in the front-rear direction different from the left-right direction, which is the engagement direction, is also restricted. Further, the airbag grid 20 is relatively moved in the vertical direction different from the left-right direction and the front-rear direction by the engagement protrusion 72 and the right-side engagement piece 86 on the right boundary portions 71, 85 with the instrument panel main body 53. It will be regulated. Therefore, since the airbag grid 20 can be engaged with the instrument panel main body 53 while restricting the movement in the three directions of front, rear, left, right, up and down, it is possible to suppress the positional deviation between the instrument panel main body 53 and the airbag grid 20. As a result, the appearance can be improved and the merchantability can be enhanced.

  Further, since the airbag grid 20 and the instrument panel main body 53 are engaged by the engagement protrusions 72 and the right engagement piece 85 on the right boundary portions 71 and 85 of each other, the relative movement in the vertical direction is restricted. In particular, it is possible to prevent the occurrence of a gap between the boundary portions 71 and 85, that is, the lifting of the airbag grid 20 from the instrument panel main body 53.

  Further, the right engagement receiving portion 75 of the instrument panel main body 53 that engages with the right clip 88 allows the right clip 88 to move in the vertical direction and engages with the rear clip 105. Since the rear engagement receiving portion 100 of the main body 53 also allows the rear clip 105 to move in the vertical direction, the degree of freedom in the movement direction of the right clip 88 and the rear clip 105 is increased, as described above. The air bag grid 20 can be attached in two steps, ie, downward pressing after the front slide, thereby facilitating the attachment work.

  Further, the air bag grid 20 has a clip holding portion along the engagement direction of the clips 83, 88, and 105, since the rectifying plate portion 92 for the air conditioner is oriented along the engagement direction of the clips 83, 88, and 105. The die-cutting direction of 82, 87, 104 and the die-cutting direction of the rectifying plate portion 92 can be made the same direction. As a result, the air bag grid 20 can be easily molded.

  In the above, the air bag grid 20 is engaged with the instrument panel main body 53 in the front-rear direction with the clips 83, 88, 105 in a state where the relative movement in the left-right direction is restricted, and the right boundary 71, Although the right-side engagement piece 86 and the engagement protrusion 72 of 85 have restricted the relative movement in the vertical direction, as shown in FIG. 8, the clip holding portions 82, 87, 104 and the clips 83, 88, 105 of the air bag grid 20. The clips 83, 88, 105 may be engaged in the vertical direction with the relative movement in the left-right direction restricted with respect to the instrument panel main body 53. In short, an engagement structure that restricts the relative movement in the front-rear direction is provided on the boundary between the airbag grid 20 and the instrument panel main body 53. To become.

It is a perspective view which shows the structure of the instrument panel and its peripheral part to which one Embodiment of this invention was applied. It is a fragmentary top view which shows the instrument panel main body in one Embodiment of this invention. It is a perspective view which shows the airbag grid and airbag apparatus in one Embodiment of this invention. It is a partial expansion perspective view which shows the instrument panel main body in one Embodiment of this invention. It is a sectional side view of the air bag grid in one embodiment of the present invention. It is a perspective view of the air grid in one embodiment of the present invention. It is sectional drawing of the AA position of FIG. 4 which shows the instrument panel main body and airbag grid in one Embodiment of this invention. It is sectional drawing which shows another example of the airbag grid in one Embodiment of this invention.

Explanation of symbols

20 Air bag grid (resin parts)
53 Instrument panel body 71, 85 Right boundary (boundary)
72 engaging protrusion (second engaging means)
75 Right engagement receiving part (first engagement receiving part)
82, 87, 104 Clip holding portion (first engaging means)
83, 88, 105 clips (first engaging means)
86 Right engagement piece (second engagement means)
92 Rectifying plate portion 100 Rear side engagement receiving portion (first engagement receiving portion)

Claims (3)

It is a mounting structure for resin parts arranged on the upper surface of the instrument panel body,
A second portion different from the first direction with respect to the instrument panel body in a state in which relative movement of the resin part with respect to the instrument panel body in a predetermined first direction is restricted. First engaging means for engaging in the direction of
Relative to a third direction different from the first direction and the second direction with respect to the instrument panel main body of the resin component, which is disposed on a boundary portion between the resin component and the instrument panel main body. A resin component mounting structure comprising: second engaging means for restricting movement.   The first engagement receiving portion of the instrument panel main body that engages with the first engagement means allows the relative movement of the first engagement means in the third direction. Mounting structure for resin parts as described in 1.   The resin part mounting structure according to claim 1 or 2, wherein the resin part includes a rectifying plate portion for an air conditioner oriented along an engaging direction of the first engaging means.

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