JPH07156688A - Instrument panel part structure for vehicle - Google Patents

Abstract

PURPOSE:To provide an instrument panel part structure wherein a number of duct part items and assembly man-hours can be reduced by lightening weight, improving a degree of freedom in device layout, and improving workability of arranging an air bag device or the like. CONSTITUTION:In an instrument panel part structure for a vehicle arranging an air conditioning case 23, built in with an evaporator or the like, in a space part formed by an instrument panel 21, the air conditioning case 23 is formed into a closed sectional shape and extended over the total length in a car width direction, and both end parts are mocked in a ear room internal wall.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a structure of an instrument part arranged on the front side of a front seat of a vehicle.

[0002]

2. Description of the Related Art Conventionally, as this type, for example, there is one shown in FIG.

In the figure, reference numeral 1 is an instrument panel,
Below the instrument panel 1, an air conditioner duct 2 is arranged, and an air conditioner case 4 connected to the air conditioner duct 2 is arranged. A blower fan, an evaporator and a heater unit are arranged in the air conditioner case 4.

A steering member 5 is provided inside the instrument panel 1 along the vehicle width direction by attaching brackets 6 at both ends to a front pillar inner, which is a vehicle compartment side wall (not shown). ing.

Further, the steering member 5 includes
A steering post (not shown) is attached, and a knee protector 7, a glow box 8, a glow box lid 9, an instrument center lower 10, a knee protector 11, an instroyer driver 12, and the like are provided.

[0006] The strength of the steering member 5 suppresses the crushing into the passenger compartment in the event of a side collision of the vehicle.

[0007]

However, in such a conventional one, since it is necessary to secure the strength at the time of a side collision of the vehicle, the steering member 5 having the length over the entire width in the vehicle width direction is arranged. Since it is installed, it causes an increase in weight.

Further, since the steering member 5 is arranged over the entire width in the vehicle width direction, it is necessary to prevent the steering member 5 from interfering with the steering member 5. This imposes restrictions on the layout of other devices.

Further, since the air conditioner duct is also separately arranged, the number of parts and the number of assembling steps increase.

Therefore, the present invention provides an instrument part structure capable of reducing the weight, improving the degree of freedom in the device layout, improving the workability of arranging an airbag device, etc., and reducing the number of duct parts and the number of assembly steps. That is the issue.

[0011]

SUMMARY OF THE INVENTION In order to solve the above problems, the present invention provides a vehicle instrument part structure in which an air conditioner case containing an evaporator and the like is provided in a space formed by an instrument panel. It is characterized in that the air conditioner case has a closed cross-sectional shape and extends over the entire length in the vehicle width direction to have a vehicle instrument part structure in which both ends are attached to a vehicle interior wall.

A device such as an air bag device may be attached to the air conditioner case.

Further, an air conditioner duct having a length extending over substantially the entire width in the vehicle width direction may be integrally formed with the air conditioner case.

Furthermore, the air conditioner case may be composed of an air conditioner case upper and an air conditioner case lower that are assembled from above and below.

[0015]

According to this structure, the air conditioner case has a closed cross-sectional shape and extends over the entire length in the vehicle width direction, and both ends are attached to the interior wall of the vehicle. Since it is possible to suppress the collapse of the vehicle body into the passenger compartment by bearing the load during a collision,
It is possible to eliminate the conventional steel steering member over the entire length in the vehicle width direction and reduce the weight compared to the conventional one. That is, the conventional air conditioner case also has a certain length along the vehicle width direction, but the air conditioner case of the present invention is an extension of the conventional air conditioner case in the vehicle width direction.
Therefore, comparing the weight of the extended portion and the weight of the conventional steel steering member, the weight of the extended portion is lighter than the weight of the conventional steel steering member. If so, the weight of the entire vehicle can be reduced.

Further, if the steering member over the entire length in the vehicle width direction can be eliminated, the degree of freedom in layout of other devices can be improved without considering interference with this member.

Further, if an air bag device, a harness, an instrument panel, etc. are attached to the air conditioner case, and then this air conditioner case is attached to the vehicle body, these devices can be arranged at once. Installation workability is improved as compared with the work of installing the device in a narrow vehicle body.

Furthermore, if the air-conditioner case is integrally formed with an air-conditioner duct having a length that extends over substantially the entire width in the vehicle width direction, the strength against a side collision of the vehicle is improved and a separate duct is provided as in the conventional case. It is possible to reduce the number of parts and the number of assembling steps as compared with the installed one.

[0019]

EXAMPLES The present invention will be described below based on examples.

1 to 7 show an embodiment of the present invention.

First, the structure will be described. In FIG. 1, reference numeral 21 is an instrument panel which is an injection molded product of resin, and reference numeral 22 is an instroer which is also an injection molded product of resin, and an air conditioner is provided in the space formed by these. A case 23 and the like are arranged.

In detail, the instrument panel 2
1, an airbag mounting opening 21a is formed, an instrument differential opening 21b, an instrument side vent opening 21c, and an instrument center vent opening 21d are formed, and a meter 24 is bolted as shown in FIG. It is like this.

On the other hand, the air conditioner case 23 has an air conditioner case upper 25 and an air conditioner case lower 26 which are vertically divided into two parts by injection molding of polypropylene resin containing glass fiber, and is formed over the entire length in the vehicle width direction. The material of this air conditioner case 23 is strength,
A resin material having high rigidity and dimensional accuracy is preferable. In addition to the above, ABS resin containing glass fiber or the like can be considered.

More specifically, the air conditioner case upper 25 and the air conditioner case lower 26 are assembled by fastening the bolts 28 at several places in the peripheral portion, and the duct partition plate 27 is provided inside, so that the vehicle width direction. A case body 29 extending over the entire width is formed.
9 has a diff duct 30 in the upper part and a vent duct 3 in the rear part.
1 are formed over the entire length in the vehicle width direction.

As shown mainly in FIG. 2, the case main body 29 has a closed cross-section structure over the entire length, and a device disposing portion 29a is continuous on the left side and an extending portion 29b is continuous on the right side. Have.

An outside air intake port 29c is formed in the upper part of the air conditioner case 23 in the device placement section 29a, and an intake door 32 is installed below the intake port 29c.
The blower 33 is disposed below this. This blower 3
The outside air or the inside air is guided to the unit 3 by the operation of the intake door 32 via the blower partition plate 34.
Further, an evaporator 35 is arranged on the downstream side of the blower 33, and a heater core 36 is arranged on the downstream side of the evaporator 35. Furthermore, this heater core 36
In addition to the first air mix door 37 and the second air mix door 38, a full coat door 39 is provided. Furthermore, a vent door 40, a differential door 41, and a foot door 42 are arranged on the downstream side.

Air is introduced into the diff duct 30 through the diff door 41, and a plurality of diff holes 30a are formed in the upper part of the diff duct 30, and the vent duct 31 has a pair of duct side vent openings. 31a and a duct center vent opening 31b are formed.

In such an air conditioner case 23, as shown in FIG. 7, both ends 23a are attached to the front pillar inner 46, which is a side wall of the vehicle compartment, and both ends 21 of the instrument panel.
The bolt 47 is fastened together with e, and the lower edge 23b
There are bolts 48 at several places as shown in FIGS.
It has been stopped.

The upper end 21f of the instrument panel 21 is fixed to the windshield 49a of the air box 49 of the vehicle body with bolts 50.

A differential nozzle grill 51 is arranged between the plurality of differential holes 30a of the air conditioner case 23 and the instrument differential opening 21b of the instrument panel 21 as shown in FIGS. 3 and 5. . In addition, the duct side vent opening 31 a of the air conditioner case 23 and the instrument side vent opening 2 of the instrument panel 21.
A side duct 69 and a side vent grill 70 are disposed between the side 1c and 1c, as shown in FIG. Further, as shown in FIG. 5, a center duct 52 is provided between the duct center vent opening 31b of the air conditioner case 23 and the instrument center vent opening 21d of the instrument panel 21.
Also, a center vent grill 53 is provided.

As shown in FIG. 4, an air bag bracket 54 is bolted to the passenger seat side of the air conditioner case 23, and an air bag device 55 is bolted to the bracket 54 so that the instrument panel 21 of the instrument panel 21 is secured. The interior of the vehicle is exposed through the airbag mounting opening 21a.

Further, as shown in FIGS. 1 and 6, in the steering bracket 57, one end 57a is fastened to the windshield 49a of the air box 49 together with the instrument panel 21, and the other end 57b is connected to the air vent. It is bolted to a bracket 59 installed on the box 49 and the dash lower panel 58. A steering post 60 is attached to the steering bracket 57.

Further, as shown in FIG. 5, a center stay 63 made of a steel plate is disposed between the air conditioner case 23 and the floor tunnel portion 61, and the center stay 63 has a lower end portion 21g of the instrument panel 21. Is bolted.

The harness 64 is arranged on the air conditioner case 23 or the like over substantially the entire length in the vehicle width direction.

On the lower side of the instrument panel 21, both end portions 22a of the instroer 22 are bolted to brackets 66 fixed to the front pillar inner 46, and the center portion (not shown) is a center stay. 63 to the instrument panel 21,
The instroyer 22 and the air conditioner case 23 are fastened together.

Reference numeral 67 in FIG. 1 denotes a glove box lid.

According to this structure, the air conditioner case 23
Is a closed cross-sectional shape and extends over the entire length in the vehicle width direction, and both ends 21e are attached to the interior wall of the vehicle, so that the air conditioner case 23, the instrument panel 21 and the like bear the load at the time of a side collision of the vehicle. Since the collapse of the vehicle body into the passenger compartment can be suppressed, the conventional steering member 5 made of steel and extending over the entire width in the vehicle width direction can be eliminated, and the weight can be reduced as compared with the conventional case. That is, the conventional air conditioner case 4 also has a certain length along the vehicle width direction, but the air conditioner case 23 of the present invention is an extension of the conventional air conditioner case 23 in the vehicle width direction. Therefore, if the weight of the extended portion is compared with the weight of the conventional steel steering member 5, the weight of the extended portion is
It is lighter than the weight of the conventional steel steering member 5. If so, the weight of the entire vehicle can be reduced. Further, by integrally molding the differential duct 30 and the vent duct 31 having a length over the entire width in the vehicle width direction in the air conditioner case 23, the weight obtained by adding the conventional air conditioner case 4, the steering member 5 and the air conditioner duct 2 together,
This is compared with the weight of the air conditioner case 23, and the weight can be reduced more effectively.

Further, since the steering member 5 extending over the entire length in the vehicle width direction is eliminated, the degree of freedom in layout of other devices can be improved without considering interference with the member 5.

Further, if the air bag device 55, the harness 64, etc. are attached to the air conditioner case 23 and then the air conditioner case 23 is attached to the vehicle body, these devices can be arranged at once, and therefore, as in the conventional case. Installation workability is improved as compared with the work of installing the device in a narrow vehicle body.

Furthermore, the air-conditioner case 23 is integrally formed with the diff duct 30 and the vent duct 31 having a length that extends over substantially the entire width in the vehicle width direction. The number of parts and the number of assembling steps can be reduced as compared with the case where the duct is separately provided.

Further, since the air conditioner case 23 has a predetermined strength, it is possible to effectively bear the air bag deployment force even when the air bag device 55 is attached to the air conditioner case 23.

On the other hand, the air conditioner case 23 is divided into upper and lower parts in this embodiment, and when the evaporator 35 and the heater core 36 are assembled, the air conditioner case upper 25 and the air conditioner case lower 26 are separated from each other. An evaporator 35 and the like are arranged on the case lower 26, and the air conditioner case upper 25 is put on the evaporator 35 and assembled. By doing so, the assembly can be easily performed.

Moreover, by supporting the steering post 60 with the steering bracket 57 made of steel plate (or aluminum casting), the vibration of the steering post 60 can be suppressed by the steering bracket 57.

Next, the air flow of the air conditioner will be described. First, the outside air and the inside air sucked by the operation of the blower 33 pass through the evaporator 35, and the first and second air flows.
Passage to the heater core 36 is selected by the air mix doors 37 and 38, and the vent door 40, the differential door 41, and the foot door 42 are opened and closed. As a result, the vent flow passes through the vent door 40 and then blows out to the central portion of the vehicle compartment via the vent duct 31 and to the side portion of the vehicle compartment via the side duct 69 and the side vent grill 70. .
After passing through the differential door 41, the defroster flow passes through the differential duct 30, the differential nozzle grill 51, and flows along the inner surface of the windshield 71.

Further, the foot flow is distributed from the foot outlet 73 to the feet of the front seats and the feet of the rear seats through a ventilation duct (not shown).

[0046]

As described above, according to the present invention, the air conditioner case has a closed cross-sectional shape and extends over the entire length in the vehicle width direction, and both ends are attached to the vehicle interior wall. With the instrument panel, etc., it is possible to bear the load in the case of a side collision of the vehicle and suppress the crushing of the vehicle body into the vehicle interior.
The weight can be reduced compared to the past.

Further, since the steering member extending over the entire length in the vehicle width direction is eliminated, it is possible to improve the degree of freedom in layout of other devices without considering interference with this member.

Further, if a device such as an air bag device is attached to the air conditioner case, and then this air conditioner case is attached to the vehicle body, these devices can be arranged at once, so that the device can be installed in a narrow vehicle body as before. The workability of installation is improved as compared with the work of installing the device.

Furthermore, if the air-conditioner case is integrally formed with an air-conditioner duct having a length extending over substantially the entire width in the vehicle width direction, the strength against a side collision of the vehicle is improved and a separate duct is provided as in the conventional case. This has a practically useful effect that the number of parts and the number of assembling steps can be reduced as compared with those provided.

[Brief description of drawings]

FIG. 1 is an exploded perspective view showing an embodiment of the present invention.

FIG. 2 is a sectional view taken along the line AA of FIG. 1 showing the same embodiment.

FIG. 3 is a cross-sectional view showing a state in which the vehicle body is attached at a portion corresponding to the line BB in FIG. 1 showing the embodiment.

FIG. 4 is a cross-sectional view showing a state in which the vehicle body is attached at a portion corresponding to line C-C in FIG. 1 according to the embodiment.

FIG. 5 is a cross-sectional view of the vehicle body mounted state in a portion corresponding to the line D-D in FIG. 1 showing the embodiment.

FIG. 6 is a cross-sectional view of a state in which the vehicle body is attached at a portion corresponding to line EE in FIG. 1 showing the embodiment.

FIG. 7 is a cross-sectional view showing how the instrument panel and the air conditioner case according to the embodiment are attached to the vehicle body.

FIG. 8 is an exploded perspective view corresponding to FIG. 1 showing a conventional example.

[Explanation of symbols]

 21 Instrument panel 23 Air conditioner case 30 Differential duct (air conditioner duct) 31 Vent duct (air conditioner duct) 46 Front pillar inner (car interior wall)

Claims (4)

[Claims] 1. An instrument structure for a vehicle in which an air conditioner case having an evaporator or the like built therein is disposed in a space formed by an instrument panel, wherein the air conditioner case has a closed cross-sectional shape and extends over the entire length in the vehicle width direction. An instrument part structure for a vehicle, which is extended across and both ends are attached to a vehicle interior wall. 2. The instrument part structure for a vehicle according to claim 1, wherein a device such as an airbag device is attached to the air conditioner case. 3. The instrument part structure for a vehicle according to claim 1, wherein the air conditioner case is integrally formed with an air conditioner duct having a length extending over substantially the entire width in the vehicle width direction. 4. The instrument part structure for a vehicle according to claim 1, wherein the air conditioner case is composed of an air conditioner case upper and an air conditioner case lower that are combined from above and below.