JP2004114781A - Electrical equipment article mounting structure of instrument panel - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To enhance the fitting strength of electric equipment fitted to an instrument panel while suppressing jump of a manufacturing cost. <P>SOLUTION: An electric equipment arrangement unit 37 with electric equipment 31 and 33 fitted thereto is provided in a substantially center portion in the vehicle width direction of an instrument panel P. An air-conditioning unit S is arranged in a vehicle body front side of the electric equipment 31 and 33 inside the instrument panel P, and a perpendicular portion 19a is formed in a case of the air-conditioning unit S. The upper and lower electric equipment 31 and 33 on the vehicle body rear side are supported by the instrument panel P via a panel member 35. A projection 65 projecting forward of the vehicle body is provided on the vehicle body front side of the lower electric equipment 33. A recessed part 25 recessed inward of the case is formed in a portion facing the projection 65 of the perpendicular portion 19a of the case. The projection 65 is fitted to the recessed part 25 to support the vehicle body front side of the lower electric equipment 33. <P>COPYRIGHT: (C)2004,JPO

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
TECHNICAL FIELD The present invention relates to a mounting structure for electrical components provided on an instrument panel.
[0002]
[Prior art]
2. Description of the Related Art Conventionally, an electrical component such as an audio device is disposed substantially at the center of a vehicle instrument panel in a vehicle width direction, and an electrical component mounting hole formed in the instrument panel is provided at a rear side of the vehicle. Is fixed with a fastener or the like to the periphery of the. Also, in recent years, the electrical components have become larger and heavier due to multifunctionalization. In response to this, the mounting strength of the electrical components has been improved by supporting the front side of the vehicle body of the electrical components. The following is known (for example, refer to Patent Document 1).
[0003]
In the configuration of Patent Document 1, a mounting flange is provided on the front side of a vehicle body of a housing of an electrical component, and the mounting flange is fixed to a support member provided on the vehicle body via a screw.
[0004]
[Patent Document 1]
JP-A-6-219220 (page 2, FIG. 3)
[0005]
[Problems to be solved by the invention]
However, in the above-described conventional instrument panel electrical component mounting structure, a mounting flange, a support member, and a screw are required in order to improve the mounting strength of the electrical component, and the number of components increases, leading to an increase in manufacturing costs. There is a problem of inviting.
[0006]
The present invention has been made in view of such a point, and the purpose thereof is to focus on the fact that an air conditioning unit is disposed inside an instrument panel, while suppressing a rise in manufacturing costs, An object of the present invention is to support the front side of the vehicle body of the electrical component to improve its mounting strength.
[0007]
[Means for Solving the Problems]
In order to achieve the above object, in the present invention, a projection is provided on the front side of the vehicle body of the electrical component so as to fit into the recess of the air conditioning unit.
[0008]
More specifically, the invention of claim 1 is directed to an electrical component mounting structure for an instrument panel in which electrical components are mounted at a substantially central portion in a vehicle width direction of an instrument panel of a vehicle.
[0009]
An air conditioning unit is provided in front of the electrical components inside the instrument panel, and a projection protruding forward of the vehicle is provided on the front side of the electrical components in the vehicle body. A concave portion facing the protrusion is provided, and the electrical component is supported by the instrument panel at the rear side of the vehicle body and supported by the air conditioning unit by fitting the protrusion to the concave portion of the air conditioning unit at the front side of the vehicle body. Configuration.
[0010]
According to this configuration, when the electric components are mounted on the instrument panel, the rear of the vehicle body of the electric components is supported by the instrument panel, and the front of the vehicle body of the electric component is fitted with the projection into the recess of the air conditioning unit to perform air conditioning. Supported by the unit. As a result, both sides of the electrical component in the longitudinal direction of the vehicle are supported without providing a mounting flange or the like for supporting the front portion of the electrical component on the vehicle body, and thus mounting of the electrical component while suppressing a rise in manufacturing costs. Strength can be improved.
[0011]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, embodiments of the present invention will be described with reference to the drawings.
[0012]
FIG. 2 shows an instrument panel P of a vehicle to which an electrical component mounting structure for an instrument panel according to the present invention is applied. This instrument panel P is disposed at the front end of the vehicle compartment, and an air conditioning unit S shown in FIG. 3 is disposed inside the instrument panel P. Side ventilators 1, 1 through which air-conditioning air is blown are provided near both ends in the vehicle width direction of the instrument panel P, and a pair of center ventilators 3, 1 is provided at a substantially central portion between the left and right side ventilators 1, 1. 3 are provided side by side in the vehicle width direction.
[0013]
The air conditioning unit S is located substantially at the center of the instrument panel P in the vehicle width direction and includes a case 5 that houses a heat exchanger and a blower. The case 5 is composed of a combination of a box-shaped member 7 on the front side of the vehicle body and a panel-shaped rear case component 9 covering the rear side of the box-shaped member 7 on the vehicle body. The lower part of 5 is fixed to the vehicle body.
[0014]
The box-shaped member 7 is composed of a combined body of a left divided member 11 and a right divided member 13 divided in the vehicle width direction, and these divided members 11 and 13 are entirely opposed to each other. The openings are formed in a substantially box-like shape, and the opening ends are abutted to each other to be integrated by vibration welding.
[0015]
A blower is housed in the upper half of the box-shaped member 7, air is taken in from an air inlet (not shown) by the blower, and the heat is transferred to the heat exchanger housed in the lower half of the box-shaped member 7. By passing the air, the air-conditioning air is generated. The conditioned air thus generated flows upward between the box-shaped member 7 and the rear case component 9.
[0016]
The rear case component 9 extends from the vicinity of the upper end to the vicinity of the lower end of the box-shaped member 7, extends to the front of the vehicle body at both ends in the vehicle width direction, and is vibration-welded to the rear end of the box-shaped member 7. A pair of side walls 9a are connected. A pair of center vent ducts 15, 15 for guiding the air-conditioned air inside the case 5 to the center ventilators 3, 3 of the instrument panel P are formed integrally at a substantially central portion in the vertical direction of the rear case component 9. ing.
[0017]
The rear case component 9 is composed of a combination of an upper member 17 and a lower member 19, which are vertically divided by a dividing plane passing through substantially the center of the center vent ducts 15, 15 in the vertical direction. Between the upper member 17 and the lower member 19, a side vent duct 21 for guiding the conditioned air in the case 5 to the side ventilators 1, 1 of the instrument panel P is disposed. It is pinched by. The side vent duct 21 is formed of a metal pipe extending in the vehicle width direction, and has an inflow hole through which air-conditioning air flows into the side vent duct 21 at a portion penetrating the case 5. . On both sides of the side vent duct 21 in the vehicle width direction, upstream ends of connection ducts 23, 23 for allowing air-conditioning air to flow out to the side ventilators 1, 1 of the instrument panel P respectively communicate.
[0018]
Side brackets 24, 24 are fixed to both ends of the side vent duct 21 in the vehicle width direction, and the side brackets 24, 24 are fastened and fixed to side panel members (not shown) of the vehicle body. It has become.
[0019]
As shown in FIG. 1, the upper portion of the lower member 19 of the case 5 is curved so as to be located closer to the vehicle body toward the upper end, while the lower portion below the upper portion extends substantially vertically. The vertical portion 19a is located at a predetermined position away from the back surface of the instrument panel P toward the front of the vehicle body. Further, a concave portion 25 into which a pin provided in an electric component described later is fitted is formed in the vertical portion 19 a of the lower member 19. The recess 25 is formed by bulging a corresponding portion of the lower member 19 into the case 5, and reinforcing ribs 27, 27 connected to the outer surface of the recess 25 are formed on the inner surface of the case 5 of the lower member 19. It is protruding.
[0020]
At a substantially central portion in the vehicle width direction of the instrument panel P, an electrical unit arranging portion 37 in which the electrical unit D is arranged is provided. The electrical unit disposing portion 37 is constituted by a concave portion which is recessed into the instrument panel P from the vicinity of the lower end of the center ventilators 3 and 3 to the lower end of the instrument panel P, and has a substantially rectangular shape in a front view. Is formed. On the other hand, the electrical unit D includes an upper electrical component 31, a lower electrical component 33, and a panel member 35 to which the electrical components 31, 33 are attached.
[0021]
A through-hole 39 is formed at the upper end side of the electrical unit disposing portion 37 so that the housing 31a of the upper electrical component 31 of the electrical unit D is inserted in the vehicle longitudinal direction. A frame-like portion 39a is formed integrally with the periphery of the through hole 39 so as to be slightly away from the outer surface of the housing 31a of the upper electrical component 31 and extend toward the front of the vehicle body. Below the upper through-hole 39, a lower through-hole 41 through which a case 33a of the relatively large and heavy lower electrical component 33 is inserted is formed. A frame portion 41a extending forward is formed integrally.
[0022]
A fastener member to which a fastener (described later) fixed to the electrical component unit D is engaged on both sides in the vehicle width direction of the upper through hole 39 of the electrical component unit disposing portion 37 and on both sides in the vehicle width direction of the lower through hole 41. .. Are formed, and each fastener engagement hole 43 has a vertically long slit shape.
[0023]
The lower part of the electrical unit disposition portion 37 is gently curved so as to be located on the rear side of the vehicle body as it goes downward in a side view, and a lower end thereof is connected to a vertical wall portion 45 extending substantially vertically. Bosses 51, 51 with which tapping screws 49, 49 for fastening mounting flanges (described later) provided on the electric component unit D are formed on both sides in the vehicle width direction of the vertical wall portion 45, respectively. I have. The bosses 51 protrude forward from the front of the vehicle body of the vertical wall 45.
[0024]
The panel member 35 of the electric component unit D is fitted inside the electric component unit arranging part 37 of the instrument panel P and has a design panel part 53 formed so as to be substantially continuous with the surface of the instrument panel P. And a peripheral wall 55 extending from the entire periphery of the design panel portion 53 to the front side of the vehicle body. At the end of the peripheral wall 55 corresponding to the lower edge of the design panel portion 53, a pair of mounting flanges 57, 57 to be fastened to the bosses 51, 51 of the electrical unit disposing portion 37 are provided apart from each other in the vehicle width direction. At the approximate center of the mounting flanges 57, mounting holes 57a, 57a through which the tapping screws 49, 49 are inserted are formed.
[0025]
On the back surface of the design panel portion 53, fastener mounting pieces 61, 61,... To which resin fasteners 59 are mounted corresponding to the fastener engagement holes 43, 43,. Is provided. Each fastener attachment piece 61 extends substantially perpendicularly and vertically to the back surface of the design panel portion 53, and the distal end side of the fastener attachment piece 61 has a relatively narrow vertical dimension as shown in FIG. The narrow portion 61a is formed, and a fastener 59 is attached to the narrow portion 61a.
[0026]
The fastener 59 includes a holding portion 59a formed to hold the narrow portion 61a in the thickness direction, and a fastening member formed integrally with the holding portion 59a and engaging with the periphery of the fastener engagement hole 43 of the instrument panel P. And a joint piece 59b. The holding portion 59a is formed with a protrusion 59c that engages with a hole 61b formed in the narrow portion 61a of the fastener mounting piece 61, thereby preventing the fastener 59 from dropping off.
[0027]
The engaging piece 59b of the fastener 59 protrudes toward the base end of the fastener mounting piece 61 beyond the holding portion 59a, and is further away from the fastener mounting piece 61 as it moves toward the base end of the fastener mounting piece 61 as a whole. Is formed. A recess 59d is provided on the base end side of the fastener attachment piece 61 of the engagement piece 59b, so that the recess 59d and the peripheral edge of the fastener engagement hole 43 are engaged. On the other hand, when the engagement state is released, the end of the engagement piece 59b on the proximal end side of the fastener mounting piece 61 may be pressed so as to be close to the fastener mounting piece 61 and elastically deformed.
[0028]
Further, the rear surface of the body of the housing 31a of the upper electrical component 31 is attached to the upper portion of the back surface of the design panel 53, and in this state, the operation switches 31b projecting from the rear surface of the housing 31a of the upper electrical component 31 are: , Penetrating the design panel portion 53 and protruding to the front side (occupant side). Below the upper electric component 31, the rear surface of the body 33a of the housing 33a of the lower electric component 33 is attached to the back surface of the design panel 53 similarly to the upper electric component 31. The operation switches 33b protrude to the front side of the design panel 53. The front of the vehicle body (front side of the vehicle body) of the housing 33a of the lower electrical component 33 is substantially vertical, and is located on the front side of the vehicle body with respect to the front surface of the housing 31a of the upper electrical component 31 and below the air conditioning unit S. It is positioned close to the vertical portion 19 a of the side member 19.
[0029]
A column-shaped pin (projection) 65 protruding toward the front of the vehicle body is formed substantially in the center of the front surface of the housing 33a of the lower electrical component 33 so as to face the recess 25 of the air conditioning unit S. The tip end of the pin 65 is covered with a rubber cap 67, and fits into the recess 25 of the air conditioning unit S in a state where the electrical unit D is mounted on the electrical unit disposing portion 37 of the instrument panel P. It is supposed to. The longitudinal section of the concave portion 25 is an ellipse that is long in the vehicle width direction, and its vertical dimension corresponds to the outer diameter of the pin 65 to which the cap is attached. As a result, the front side of the vehicle body of the lower electrical component 33 is supported by the air conditioning unit S by the pins 65, and when the pins 65 are fitted into the recesses 25, the pins 65 are covered by the cap 67. No abnormal noise is generated even if vibration occurs.
[0030]
Further, since the longitudinal section of the concave portion 25 is an ellipse which is long in the vehicle width direction, even if the position of the pin 65 with respect to the concave portion 25 is shifted in the vehicle width direction as compared with the expected position due to a manufacturing error or the like. The pin 65 can be securely fitted into the recess 25.
[0031]
Next, a procedure for assembling the electrical component unit D will be described. First, the air conditioning unit S and the instrument panel P are mounted on the vehicle body. On the other hand, the upper electrical component 31 and the lower electrical component 33 are assembled to the design panel section 53, and the fasteners 59 are mounted to the fastener mounting pieces 61, respectively, to configure the electrical component unit D.
[0032]
Thereafter, the electrical unit D is positioned behind the vehicle in the electrical unit arrangement portion 37 of the instrument panel P, and the electrical components 31, 33 are inserted into the through holes 39, 41 and the frame portions 39a, 41a. At this time, the pins 65 of the lower electrical component 33 are fitted into the recesses 25 of the air conditioning unit S, and the fasteners 59 are inserted into the fastener engagement holes 43 so that the engagement pieces 59b and the peripheral edge of the fastener engagement holes 43 are connected. Engage. Then, each mounting flange 57 of the panel member 35 is fastened to the boss 51 by a tapping screw 49.
[0033]
Therefore, according to the electrical component mounting structure of the instrument panel P according to this embodiment, when the electrical component unit D is mounted on the instrument panel P, the rear side of the lower electrical component 33 on the vehicle body is mounted on the panel member 35 and the instrument is mounted. It is supported by the panel P, and the front side of the vehicle body is supported by the air conditioning unit S by fitting the pin 65 into the concave portion 25 of the air conditioning unit S, so that the front side of the lower electrical component 33 is supported. Even if a mounting flange, screws, and the like are not provided, both sides of the lower electrical component 33 in the front-rear direction of the vehicle body are supported, so that mounting strength can be improved, and a rise in manufacturing cost can be suppressed.
[0034]
In the above embodiment, only the lower electrical component 33 is supported by the air conditioning unit S. However, the upper electrical component 31 may be supported by the air conditioning unit S in the same manner.
[0035]
In the above embodiment, only one set of the pin 65 of the lower electrical component 33 and the recess 25 of the air conditioning unit S are provided, but a plurality of sets may be provided.
[0036]
【The invention's effect】
As described above, according to the electrical component mounting structure of the instrument panel according to the present invention, the air conditioning unit is disposed in front of the electrical component vehicle body inside the instrument panel, and a protrusion is provided on the vehicle body front side of the electrical component, On the other hand, a concave portion facing the protrusion is provided in the air conditioning unit, and the electrical components are supported on the instrument panel at the rear side of the vehicle body, and the front portion of the vehicle body is supported by the air conditioning unit by fitting the protrusion into the concave portion. As a result, both sides of the electrical component in the vehicle front-rear direction are supported without providing a mounting flange or the like for supporting the front side of the electrical component on the vehicle body. Can be improved in mounting strength.
[Brief description of the drawings]
FIG. 1 is a cross-sectional view taken along the line AA of FIG. 2 in a state where an electrical unit is assembled to the instrument panel of FIG.
FIG. 2 is a perspective view showing a state before an electrical unit is attached to an instrument panel.
FIG. 3 is a perspective view of an air conditioning unit and a lower electrical component.
FIG. 4 is an enlarged perspective view showing a periphery of a fastener and a fastener engaging hole.
[Explanation of symbols]
25 recess 33 lower electrical component 65 pin (projection)
P Instrument panel S Air conditioning unit

Claims (1)

An electrical component mounting structure for an instrument panel in which electrical components are mounted at a substantially central portion in a vehicle width direction of an instrument panel of a vehicle,
An air conditioning unit is arranged in front of the electrical component body inside the instrument panel,
On the vehicle body front side of the electrical component, a projection is provided that protrudes forward of the vehicle body, while the air conditioning unit is provided with a concave portion facing the projection,
The instrument panel, wherein a rear part of the vehicle body is supported by the instrument panel, and a front part of the vehicle body is supported by the air conditioning unit by fitting the protrusion into a recess of the air conditioning unit. Electrical component mounting structure.

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