JP2004106762A - Instrument panel structure - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To sufficiently obtain support rigidity relative to the vehicle body of a steering device in instrument panel structure internally equipped with an air conditioning unit. <P>SOLUTION: A rear side case component member 17 is divided into an upper side member 35 and a lower side member 37. The approximately central part of vehicle width direction of the side bent duct 39 which consists of a metal circular pipe and is extended to the vehicle width direction, is disposed between the upper side member 35 and the lower side member 37, and the side bent duct 39 is held by welding the upper side member 35 and the lower side member 37 each other. The flow-in ports 43, 43 which make conditioned air flow in the side bent duct 39, are formed on the approximately central part of vehicle width direction of the side bent duct 39, and the flow-out port 45 which is connected to the side ventilator of the instrument panel body is formed on both end parts. The steering device is supported with a support bracket which is fixed on the right side of the vehicle width direction of the side bent duct 39. <P>COPYRIGHT: (C)2004,JPO

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a structure of an instrument panel including an air conditioning unit therein.
[0002]
[Prior art]
Generally, a duct for guiding conditioned air to side ventilators at both ends in the vehicle width direction of the instrument panel is connected to the air conditioning unit housed inside the instrument panel of the vehicle, and also inside the instrument panel. An instrument panel member is provided to support the instrument panel and the steering device on the vehicle body.
[0003]
Therefore, since both the duct and the instrument panel member extend in the vehicle width direction, the tubular instrument panel member is provided with a duct function to reduce the number of parts, thereby reducing the number of components. There is known a panel in which the space efficiency inside the panel is improved (for example, see Patent Document 1). In Patent Document 1, a conditioned air outlet is formed in the upper wall of the case of the air conditioning unit, and the outlet of the conditioned air formed in the lower wall of the instrument panel member is connected to the outlet. In this connection, the lower portion of the instrument panel member is inserted into a recess formed around the outlet of the case.
[0004]
[Patent Document 1]
JP-A-5-104934 (pages 2-3, FIGS. 1 and 2)
[0005]
[Problems to be solved by the invention]
By the way, there is a demand to further improve the support rigidity of the steering device with respect to the vehicle body. On the other hand, when the instrument panel member is provided with a duct function as in Patent Document 1, a case and an instrument are required. It is conceivable to increase the rigidity of the instrument panel member by firmly connecting the panel member and the instrument panel member to the vehicle body via the case.
[0006]
However, in the case of Patent Document 1, the lower portion of the instrument panel member is inserted into the concave portion of the case, and the sealing material is interposed between the joining surfaces, so that the case and the instrument panel member are firmly connected. Therefore, there is a possibility that the support rigidity of the steering device cannot be sufficiently improved.
[0007]
The present invention has been made in view of such a point, and an object of the present invention is to provide a steering device having a function of a duct of an air conditioning unit and an instrument panel member in one member. The purpose is to obtain sufficient support rigidity.
[0008]
[Means for Solving the Problems]
In order to achieve the above object, according to the first aspect of the present invention, a tubular rigid body that is horizontally mounted on a vehicle body inside an instrument panel is sandwiched by a plurality of case components of an air conditioning unit.
[0009]
Specifically, an air conditioning unit having a case that accommodates the air conditioning equipment and is fixed to the vehicle body, and a tubular rigid body that is horizontally laid on the vehicle body and supports the instrument panel body and the steering device are provided inside. It covers the structure of the instrument panel. The case of the air-conditioning unit is formed from a plurality of case components, and the tubular rigid body is supported by the vehicle body while a central portion in the vehicle width direction is sandwiched between the plurality of case components and penetrates the case. In addition to providing an inlet for allowing conditioned air to flow into the inside of the cylindrical rigid body at a place where the cylindrical rigid body penetrates the case, both ends are connected to a side ventilator of the instrument panel body. An outlet is provided.
[0010]
According to this configuration, the instrument panel body is reinforced by the tubular rigid body, the steering device is supported, and further, conditioned air flows into the tubular rigid body, and the instrument is introduced through the outlets at both ends. Since the air is supplied to the cabin through the side ventilator of the panel, it is not necessary to separately provide the duct and the instrument panel member, so that the space efficiency inside the instrument panel can be improved.
[0011]
Since the center portion of the tubular rigid body in the vehicle width direction is sandwiched by a plurality of case constituent members, the tubular rigid body is firmly fixed to the vehicle body in a state of being firmly integrated with the case of the air conditioning unit. As a result, sufficient support rigidity of the steering device with respect to the vehicle body can be obtained.
[0012]
According to a second aspect of the present invention, in the first aspect of the present invention, at least the case component holding the cylindrical rigid body is provided with flanges projecting outward from the case along the outer peripheral surface of the cylindrical rigid body, The configuration is such that the flanges are welded together and the case side wall of the air conditioning unit extends vertically toward the vehicle body fixing portion of the air conditioning unit.
[0013]
According to this configuration, the outer peripheral surface of the tubular rigid body is relatively widely sandwiched by the flanges of the case constituent members, and since these flanges extend the case side wall toward the fixed portion of the case to the vehicle body, The rigidity of the flange and the case can be sufficiently secured, and the rigidity of mounting the case to the vehicle body can be increased. Thus, the cylindrical rigid body can be more firmly fixed to the vehicle body.
[0014]
According to the third aspect of the present invention, the case of the air conditioning unit and the duct are formed integrally, and the tubular rigid body is provided inside the duct.
[0015]
Specifically, an instrument panel in which an air-conditioning unit having a case for accommodating the air-conditioning equipment and fixed to the vehicle body, and a tubular rigid body horizontally mounted on the vehicle body and supporting the instrument panel body are provided. Target structure. The case of the air conditioning unit is integrally formed with a duct extending in the vehicle width direction and guiding conditioned air to a side ventilator of the instrument panel main body, and the duct is provided with a mounting seat for a bracket for supporting a steering device. The tubular rigid body is disposed inside the duct, and the steering device is supported on the vehicle body by the tubular rigid body and the duct.
[0016]
According to this configuration, the tubular rigid body is fixed inside the duct formed integrally with the case fixed to the vehicle body, and the steering device is supported by the tubular rigid body and the duct. A sufficient support rigidity of the steering device with respect to the vehicle body can be obtained while improving the internal space efficiency.
[0017]
According to a fourth aspect of the present invention, in the third aspect of the present invention, an airbag device is provided on a passenger seat side of the instrument panel body, and the duct is formed symmetrically on a driver seat side and a passenger seat side. The apparatus is configured to be supported by a mounting seat located on the passenger seat side of the duct.
[0018]
According to this configuration, the duct has a symmetrical shape, and the steering device is supported by the mounting seat on the driver's seat side, while the airbag device on the passenger seat is supported by the mounting seat on the passenger's seat side. As a result, the duct can be shared between the right-hand drive vehicle in which the driver's seat is located on the right side in the vehicle width direction and the left-hand drive vehicle in which the driver's seat is located on the left side, so that the cost of the air conditioning unit can be reduced.
[0019]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, embodiments of the present invention will be described with reference to the drawings.
[0020]
(Embodiment 1)
FIG. 1 is an exploded perspective view showing an instrument panel P according to Embodiment 1 of the present invention. The instrument panel P is disposed at a front end of a vehicle compartment, and includes an instrument panel main body 1 and the instrument panel main body. 1 and an air conditioning unit 2 housed inside. Side ventilators 3, 3 from which air-conditioning air is blown are provided near both ends of the instrument panel body 1 in the vehicle width direction, and a pair of center ventilators is provided at a substantially central portion between the left and right side ventilators 3, 3. 5, 5 are provided side by side in the vehicle width direction. A cutout 7 is formed in the driver's seat side of the instrument panel body 1, that is, a lower portion on the right side in the vehicle width direction (the right side in FIG. 1). It protrudes from the inside of the main body 1 through the notch 7 so as to face the occupant. On the other hand, an airbag device 9 (shown only in FIG. 10) is provided inside the instrument panel main body 1 on the passenger seat side, and an upper portion of the instrument panel main body 1 corresponding to the airbag device 9 is provided. An airbag door 11 that is opened when the airbag is deployed is provided.
[0021]
The air conditioning unit 2 is disposed substantially at the center of the instrument panel body 1 in the vehicle width direction, and includes a case 13 that accommodates a heat exchanger and a blower (both not shown) as air conditioning equipment. The case 13 is composed of a combination of a box-shaped vehicle body front case member 15 and a panel-shaped rear case member 17 that covers the vehicle body rear side of the front case member 15. The lower part of the air conditioning unit 2 is fixed to the vehicle body.
[0022]
The front case component 15 is composed of a combination of a left divided member 21 and a right divided member 23 divided in the vehicle width direction, and these divided members 21 and 23 are formed by injection molding of a resin material. Have been. The left divided member 21 and the right divided member 23 are formed so as to form a substantially box shape in which the entire sides facing each other are opened, and their open ends are joined together by vibration welding.
[0023]
As shown in FIG. 2, the lower half of the front case component 21 is formed in a relatively large rectangular box to form a heat exchanger accommodating portion 25, and the upper half has a bottomed cylinder. The blower housing 27 is formed in the shape of a circle. The lower part of the blower storage part 27 communicates with the upper part of the heat exchanger storage part 25, and the air taken into the blower storage part 27 from the air inlet (not shown) by the blower is blown to the heat exchanger storage part 25. Then, the air becomes conditioned air via the cooling heat exchanger and the heating heat exchanger housed and fixed in the heat exchanger housing part 25.
[0024]
The rear case component 17 extends from the vicinity of the upper end to the vicinity of the lower end of the front case component 15, and as shown in FIG. The side wall 17a joined to the rear end of the vehicle body of the member 15 is continuous. A pair of center vent ducts 31, 31 for guiding the conditioned air inside the case 13 to the center ventilators 5, 5 of the instrument panel main body 1 are integrally formed at the middle part in the vertical direction of the rear case component 17. ing. Each of the pair of center vent ducts 31 has a substantially circular cross section, and extends substantially parallel to the rear of the vehicle body while being separated from each other in the vehicle width direction. Between these center vent ducts 31, 31, there is provided a connecting plate portion 33 extending so as to connect them.
[0025]
The rear case component member 17 includes an upper member (case component member) 35 and a lower member (case component member) 37 that are vertically divided by a dividing surface passing through the substantially vertical center of the center vent ducts 31, 31. And a combination of the above. Between the upper member 35 and the lower member 37, a side vent duct (cylindrical rigid body) 39 for guiding the conditioned air in the case 13 to the side ventilators 3 and 3 of the instrument panel body 1 is arranged. And are sandwiched between the two members 35 and 37. The side vent duct 39 is formed of a metal circular tube extending over both ends of the instrument panel body 1 in the vehicle width direction, and as shown in FIG. The case 13 is penetrated in the vehicle width direction so as to pass through, and a substantially central portion in the vehicle width direction is a case penetration portion facing the inside of the case 13.
[0026]
The upper member 35 and the lower member 37 are each formed with a substantially semicircular notch that matches the outer peripheral surface of the side vent duct 39, and the outer peripheral surface of the side vent duct 39 is formed around the notch. The flanges 35a and 37a projecting outward from the case 13 are connected to each other. Further, the vehicle body front portions of the flanges 35a, 37a of the upper member 35 and the lower member 37 extend to the vehicle body front edges of the two members 35, 37 along the side wall 17a and along the dividing surfaces of the two members 35, 37. On the other hand, the rear portions of the flanges 35a, 37a extend to the rear ends of the center vent ducts 31, 31 along the dividing plane, and the front portions and the rear portions of the two flanges 35a, 37a are overlapped with each other and integrated. Is to be welded. Accordingly, by welding the two flanges 35a and 37a, the upper member 35 and the lower member 37 are integrated, and the side vent duct 39 is sandwiched between the two flanges 35a and 37a.
[0027]
At this time, a relatively wide range of the outer peripheral surface of the side vent duct 39 can be sandwiched by the flanges 35a and 37a, and the flanges 35a and 37a are further arranged along the side walls 17a of the upper member 35 and the lower member 37. The rigidity of the flanges 35a and 37a is ensured, and the joint area between the members 35 and 37 is increased by securing a large joint area between the flanges 35a and 37a. The member 17 can be firmly integrated.
[0028]
After welding the upper member 35 and the lower member 37, the side vent duct 39 is positioned and fixed to the flanges 35a and 37a in the vehicle width direction by positioning screws (not shown). I have. The positioning screw penetrates through the flanges 35 a and 37 a and is screwed into the screw holes 41 and 41 of the side vent duct 39.
[0029]
The flange 35a of the upper member 35 extends along the front edge of the side wall 17a of the upper member 35 to the upper end thereof, while the flange 37a of the lower member 37 is mounted on the side wall 17a of the lower member 37. It extends to the lower end along the front edge, whereby the rigidity of the flange 37a and the lower member 37 can be further increased. Further, although not shown, a portion near the lower end of the side wall 17a of the lower member 37 is a vehicle body fixing portion fixed to the vehicle body, and is fastened to the vehicle body by bolts or the like. The vicinity can be fixed to the vehicle body, and the rigidity of the rear case component 17 and the rigidity of the rear case component 17 attached to the vehicle body can be increased.
[0030]
The flange 37a of the lower member 37 extends on the lower wall of the lower member 37 across both ends in the vehicle width direction, whereby the flanges 35a, 37a are connected to the left side edge of the rear case component 17 in the vehicle width direction. , The lower edge and the right edge. Further, a flange 15a that overlaps with the flanges 35a, 37a of the upper member 35 and the lower member 37 is integrally formed at the rear end of the vehicle body of the front case constituent member 15, and overlaps with each other and is integrally vibration welded. It is supposed to be. At this time, since the flanges 35a, 37a and 15a are formed continuously around the respective case constituent members 17 and 15 as described above, and the joint area is sufficiently ensured, the flanges 35a, 37a and 15a are secured. The joining strength can be increased.
[0031]
Two inlets 43, 43 for allowing conditioned air to flow into the side vent duct 39 are formed in the case vent portion of the side vent duct 39. The inflow ports 43 have a substantially circular shape, and are arranged side by side in the vehicle width direction below the side vent duct 39. On the other hand, as shown in FIG. 3, outlets 45, 45 for letting conditioned air flow out to the side ventilators 3, 3 of the instrument panel main body 1 are provided on both sides of the side vent duct 39 at both ends in the vehicle width direction. Are formed one by one, and the outlets 45, 45 communicate with the side ventilators 3, 3 via connection ducts 47, 47. Each of the connection ducts 47 includes a substantially rectangular mounting plate 49 having an opening having substantially the same shape as each of the outlets 45, and a cylindrical member 51 extending from the periphery of the opening of the mounting plate 49 to the side ventilator 3. . The mounting plate 49 is formed along the outer peripheral surface of the side vent duct 39, and the corners of the mounting plate 49 are aligned with the opening of the mounting plate 49 and the outlet 45 of the side vent duct 39. The side vent duct 39 is fastened by screws 53.
[0032]
In other words, the conditioned air generated inside the case 13 flows through the center vent ducts 31 and 31 to the rear side of the vehicle body and is supplied to the passenger compartment through the center ventilators 5 and 5. The air flows into the side vent duct 39 from the inlets 43, 43, flows to both sides in the vehicle width direction, and is supplied from the outlets 45, 45 through the connection ducts 47, 47 to the passenger compartment via the side ventilators 3, 3. You.
[0033]
Side brackets 57, 57 for fixing the side vent duct 39 to a side panel member (not shown) of the vehicle body are welded to both ends in the vehicle width direction of the side vent duct 39. The side brackets 57, 57 are formed in a substantially triangular plate shape when viewed in the vehicle width direction, and the side brackets 57, 57 close the openings 39a at both ends in the vehicle width direction of the side vent duct 39, respectively. Has become. Two mounting holes 57a, 57a are vertically arranged at the front edge of the vehicle body of the side brackets 57, 57, and bolts (not shown) are inserted into the mounting holes 57a, 57a and fastened to the side panel members. By doing so, the side vent duct 39 is in a state of being laid on the vehicle body.
[0034]
A support bracket 59 for supporting a steering device is fixed to substantially the center of the side vent duct 39 on the right side in the vehicle width direction. The support bracket 59 is formed in the shape of a rectangular plate as a whole, and stud bolts 61, 61 projecting downward are provided at the front of the vehicle body of the support bracket 59 in parallel in the vehicle width direction, and the stud bolts 61, 61 are provided. The steering device is fastened by a nut and a nut (not shown).
[0035]
Therefore, according to the structure of the instrument panel P according to the first embodiment, the steering device is supported by the side vent duct 39 that guides the conditioned air to the side ventilators 3 and 3, thereby eliminating the need for an instrument panel member. The space efficiency inside the instrument panel body 1 can be improved.
[0036]
At this time, a substantially central portion in the vehicle width direction of the side vent duct 39 is sandwiched between the upper member 35 and the lower member 37 of the case 13 fixed to the vehicle body, so that the side vent duct 39 and the case 13 are firmly integrated. Therefore, the substantially central portion of the side vent duct 39 in the vehicle width direction is firmly fixed to the vehicle body, whereby sufficient support rigidity of the steering device with respect to the vehicle body can be obtained.
[0037]
In the first embodiment, the side vent duct 39 is sandwiched between the upper member 35 and the lower member 37. However, the present invention is not limited to this, and the side vent duct 39 is sandwiched between the front case component 15 and the rear case component 17. You may make it.
[0038]
(Embodiment 2)
4 to 10 show a second embodiment of the present invention. The structure of the instrument panel P of the second embodiment is different from that of the first embodiment only in part of the structure of the air conditioning unit 2. Are given the same reference numerals and only different parts will be described. That is, in the second embodiment, the side vent duct 71 is formed integrally with the case 13, and inside the side vent duct 71, a reinforcing member (tubular rigid body) 73 that is laid over the vehicle body is disposed. The steering device is supported by the side vent duct 71 and the reinforcing member 73.
[0039]
As shown in FIG. 4, the side vent duct 71 extends from the left side ventilator 3 to the right side ventilator 3 of the instrument panel main body 1. The center vent ducts 75, 75 branch off from substantially the center of the side vent duct 71 in the vehicle width direction and extend to the rear side of the vehicle body, and these side vent ducts 71 and the center vent ducts 75, 75 are integrated. To form a vent duct 79. As shown in FIG. 5, a substantially central portion in the vehicle width direction of the side vent duct 71 is integrally formed in a state of being disposed adjacent to a substantially central portion in the vertical direction of the rear case component member 17. A communication port 77 that connects the inside of the case 13 and the side vent duct 71 is formed in a portion where the case constituent member 17 and the side vent duct 71 are connected.
[0040]
Both end sides of the side vent duct 71 are bent at right angles to the rear side of the vehicle body, and respective end openings 71a, 71a are connected to the side ventilators 3, 3, respectively. On the other hand, the center vent ducts 75, 75 extend substantially in parallel with each other, and their end openings 75a, 75a are connected to the center ventilators 5, 5.
[0041]
The vent duct 79 is vertically divided, and comprises an upper duct half 81 and a lower duct half 83 both extending in the vehicle width direction, and accordingly, the rear case component 17 is also vertically divided. Have been. As shown in FIGS. 6 and 7, the upper duct half 81 has a relatively large substantially U-shaped cross section, while the lower duct half 83 is formed relatively shallow.
[0042]
An upper flange 85 and a lower flange 87, which are welded to each other when the two duct halves 81 and 83 are integrated, are integrally formed at the overlapping portion of the upper duct half 81 and the lower duct half 83, respectively. ing. The upper flange 85 and the lower flange 87 are provided on the front and rear sides of the two duct halves 81 and 83, respectively, and the upper flange 85 and the lower flange 87 are substantially in the same direction as the dividing surface of the vent duct 79. Extends. As shown in FIG. 7 (b), a pair of ridges 89, 89 projecting downward is formed on the lower surface of each upper flange 85, while the upper surface of each lower flange 87 is substantially flat. In addition, the ridges 89, 89 and the upper surface of the lower flange 87 are vibration-welded to prevent conditioned air from leaking.
[0043]
Inside the side vent duct 71, the reinforcing member 73 made of a relatively small-diameter metal circular pipe is disposed in contact with the lower wall of the side vent duct 71. As shown in FIG. 4, both end portions of the reinforcing member 73 in the vehicle width direction penetrate through both side wall portions of the side vent duct 71 and protrude outward. , 93 are fixed, respectively, and bolts are inserted through the mounting holes 93a, 93a of the side brackets 93 and fastened to the side panel members, whereby the reinforcing member 73 is placed horizontally on the vehicle body. The reinforcing member 73 is provided with four stud bolts 95 projecting downward at substantially equal intervals across both ends in the vehicle width direction. Each of the stud bolts 95 passes through the lower wall of the side vent duct 71. The nut 97 is screwed from below, whereby the side vent duct 71 and the reinforcing member 73 are integrated.
[0044]
As shown in FIGS. 8 and 9, a mounting seat 105 to which an upper bracket 101 and a lower bracket 103 that support a steering device are mounted is provided substantially at the center of the side vent duct 71 on the left side in the vehicle width direction. . The mounting seat 105 is composed of two extending portions extending outward from the duct 71 from the front flanges 85 and 87 and the rear flanges 85 and 87, respectively, and has two holes 105a and 105a in these extending portions. 105a are juxtaposed in the vehicle width direction.
[0045]
The upper bracket 101 is a plate-shaped duct-side member 107 formed substantially along the upper surface of the mounting seat 105 and the outer peripheral surface of the upper duct half 81, and protrudes from the left and right sides of the duct-side member 107. A pair of side plates 109, 109 which are inclined so that the upper edges thereof are located higher as they move toward the front of the vehicle body, and which extend upward from the front edge of the vehicle body of the duct side member 107, and which are in front of the pair of side plates 109, 109. It is configured by combining a flat front member 111 that connects the edges. The front member 111 has two holes 111a, 111a arranged side by side in the vehicle width direction, and is fastened to a vehicle body member (not shown) using a bolt or the like. The duct side member 107 is provided with a stud bolt 113 that is inserted into the hole 105a of the mounting seat 105.
[0046]
The lower bracket 103 has a rectangular plate shape as a whole, and an intermediate portion in the vehicle longitudinal direction is formed along the outer peripheral surface of the lower duct half 83, while the front and rear portions are viewed from the vehicle longitudinal direction. It is formed in a substantially wavy shape. At the front and rear of the lower bracket 103, mounting holes 103a are formed corresponding to the respective holes 105a of the mounting seat 105. Then, the lower bracket 103 is arranged so that the stud bolts 113 of the upper bracket 101 are inserted into the mounting holes 103a, and the nuts 115 are screwed into the stud bolts 113 from below the lower brackets 103, whereby the upper and lower brackets 101 are mounted. , 103 sandwich the flanges 85, 87 of the side vent duct 71, and the members 101, 103, 71 are integrated.
[0047]
Two stud bolts 117, 117 protruding downward are provided at the front and rear of the lower bracket 103 in the vehicle width direction, respectively, and are provided in the vehicle width direction. The stud bolts 117, 117 and nuts (FIG. (Not shown), the steering device is fastened.
[0048]
A reinforcing bracket 119 that connects the right side wall 17a and the right side of the side vent duct 71 is attached to the right side wall 17a of the rear case component 17 in the vehicle width direction. The reinforcing bracket 119 extends upward from the lower end of the case 13 along the right side wall 17a and reaches the lower surface of the side vent duct 71, and then bends to the right and extends along the lower surface of the side vent duct 71 to the lower side. It is substantially L-shaped extending to the lower surface of the bracket 103. A predetermined portion of the reinforcing bracket 119 is fastened to the right side wall 17a on the case 13 side, and the side vent duct 71 is connected to the side vent duct 71 by two stat bolts 95 on the right side in the vehicle width direction of the reinforcing member 73. Is to be concluded. At the lower end of the reinforcing bracket 119 on the case 13 side, an extending portion 119a is formed which extends below the lower surface of the case 13 and is fastened to a vehicle-side member (not shown).
[0049]
The vent duct 79 has a symmetrical shape on the driver's seat side and the passenger's seat side. Therefore, as shown in FIG. 4, a mounting seat 121 having the same shape as the mounting seat 105 on the driver's seat side is also formed on the passenger seat side, and this mounting seat 121 is, as shown in FIG. It is configured to support the airbag device 9 for use.
[0050]
A reinforcing plate 123 fastened to the reinforcing member 73 is provided below the mounting seat 121, and a stud bolt 95 of the reinforcing member 73 penetrates the reinforcing plate 123 on the rear side of the vehicle body. The front side of the reinforcing plate 123 is formed along the lower surface of the mounting seat 121, and a hole corresponding to the hole 121 a of the mounting seat 121 is formed in the front side of the reinforcing plate 123. A part (not shown) is formed. A stay 125 is provided at the lower end of the airbag device 9 so as to be bent along the upper surface of the mounting seat 121. The stay 125 has a hole corresponding to the hole 121 a of the mounting seat 121. A part is formed. Then, a bolt 127 is inserted from below the reinforcing plate 123 into the hole of the reinforcing plate 123, the hole 121 a of the mounting seat 121, and the hole of the stay 125, and the nut 129 fixed to the upper side of the hole of the stay 125. , The airbag device 9 is fastened to the mounting seat 121. In other words, in the second embodiment, the vent duct 79 can be shared between the right-hand drive vehicle where the driver's seat is located on the right side of the vehicle body and the left-hand drive vehicle where the driver's seat is located on the left side, so that the cost of the air conditioning unit 1 can be reduced. It becomes.
[0051]
Therefore, according to the structure of the instrument panel P according to the second embodiment, the rear case component 17 fixed to the vehicle body and the side vent duct 71 are integrally formed, and the inside of the side vent duct 71 is Since the metal reinforcing member 73 is arranged and fixed to the side vent duct 71 and the steering device is supported by the side vent duct 71 and the reinforcing member 73, the space inside the instrument panel body 1 is provided. It is possible to sufficiently obtain the support rigidity of the steering device with respect to the vehicle body while improving the efficiency.
[0052]
【The invention's effect】
As described above, according to the structure of the instrument panel according to the first aspect of the present invention, the tubular rigid body supporting the instrument panel body and the steering device is sandwiched between the case constituent members and supported on the vehicle body. The conditioned rigid body is provided with an inlet for conditioned air at the part penetrating the case, and an outlet connected to the side ventilator of the instrument panel body is provided at both ends, so that a duct and an instrument panel member are provided separately. This eliminates the necessity, thereby improving the space efficiency inside the instrument panel. Then, since the cylindrical rigid body is firmly fixed to the vehicle body, it is possible to sufficiently obtain the support rigidity of the steering device with respect to the vehicle body.
[0053]
According to the second aspect of the present invention, the case constituent member is provided with a flange projecting outward from the case along the outer peripheral surface of the cylindrical rigid body, the flanges are welded together, and the case side wall is fixed to the vehicle body fixing portion. Since the rigidity of the flange and the case can be increased, the cylindrical rigid body can be more firmly fixed to the vehicle body.
[0054]
According to the third aspect of the present invention, the case of the air conditioning unit and the duct are formed integrally, the mounting seat of the steering device is provided on the duct, and the cylindrical rigid body is disposed inside the duct and fixed to the duct. In addition, it is possible to sufficiently obtain the support rigidity of the steering device with respect to the vehicle body while improving the space efficiency inside the instrument panel.
[0055]
According to the invention described in claim 4, the duct is symmetrical on the driver's seat side and the passenger seat side, and the airbag device of the passenger seat is supported by the mounting seat located on the passenger seat side of the duct. The duct can be shared between the steering wheel vehicle and the left steering wheel vehicle, so that the cost of the air conditioning unit can be reduced.
[Brief description of the drawings]
FIG. 1 is an exploded perspective view of an instrument panel according to Embodiment 1 of the present invention.
FIG. 2 is a sectional view taken along line AA in FIG.
FIG. 3 is an exploded perspective view of a rear part of the vehicle body of the air conditioning unit.
FIG. 4 is a perspective view of an air conditioning unit according to a second embodiment.
FIG. 5 is a sectional view taken along line BB in FIG. 4;
FIG. 6 is a sectional view taken along line CC in FIG. 8;
7A is a sectional view taken along line DD in FIG. 8, and FIG. 7B is an enlarged sectional view showing a state before welding a flange of an upper duct half and a flange of a lower duct half. It is.
FIG. 8 is an enlarged perspective view of the right side in the vehicle width direction of the air conditioning unit.
FIG. 9 is an exploded perspective view of the right side of the side vent duct in the vehicle width direction.
FIG. 10 is a cross-sectional view showing a state where the airbag device is supported by the mounting seat of the side vent duct.
[Explanation of symbols]
1 Instrument panel body
2 Air conditioning unit
3 Side ventilator
9 Airbag device
13 cases
17a Side wall
35 Upper member (case component)
35a flange
37 Lower member (case component)
37a flange
39 Vent duct for side (tubular rigid body)
43 Inlet
45 outlet
71 Side vent duct
73 Reinforcement member (tubular rigid body)
101 Upper bracket
103 Lower bracket
105 Mounting seat
121 mounting seat
P Instrument panel

Claims (4)

Structure of an instrument panel in which an air-conditioning unit having a case accommodating air-conditioning equipment and fixed to a vehicle body, and a tubular rigid body mounted on the vehicle body and supporting an instrument panel body and a steering device are provided. And
The case of the air conditioning unit is formed from a plurality of case components,
The cylindrical rigid body is supported by the vehicle body while the central portion in the vehicle width direction is sandwiched by the plurality of case constituent members and penetrates the case.
An inlet for allowing conditioned air to flow into the inside of the cylindrical rigid body is provided at a location where the cylindrical rigid body penetrates the case, and an outlet connected to a side ventilator of the instrument panel body at both ends. The structure of the instrument panel, characterized in that the instrument panel is provided. In claim 1,
At least the case component that sandwiches the cylindrical rigid body is provided with a flange that protrudes outward from the case along the outer peripheral surface of the cylindrical rigid body,
The instrument panel structure, wherein the flanges are integrally welded to each other, and extend up and down on a case side wall of the air conditioning unit toward a body fixing portion of the air conditioning unit. An instrument panel structure in which an air conditioning unit including a case accommodating the air conditioning equipment and fixed to a vehicle body, and a tubular rigid body that is laterally mounted on the vehicle body and supports an instrument panel body is provided. ,
In the case of the air conditioning unit, a duct extending in the vehicle width direction and guiding conditioned air to a side ventilator of the instrument panel body is integrally formed, and the duct is provided with a mounting seat for a bracket for supporting a steering device. In addition, the tubular rigid body is disposed inside the duct, and the steering device is supported on the vehicle body by the tubular rigid body and the duct. In claim 3,
An airbag device is arranged on the passenger seat side of the instrument panel body,
The duct is symmetrical between the driver's seat side and the passenger's seat side,
The structure of the instrument panel, wherein the airbag device is supported by a mounting seat located on a passenger seat side of the duct.

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