JP4094875B2 - instrument panel - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to an automotive instrument panel.
[0002]
[Prior art]
As a conventional automotive instrument panel, as shown in Japanese Patent Laid-Open No. 2000-190791, a wire harness is routed along a steering member that extends in the vehicle width direction inside the instrument panel. The structure is fixed to the steering member by a clip or a protector.
[0003]
[Problems to be solved by the invention]
However, in the configuration of the conventional example, in order to route the wire harness along the steering member, the wiring harness must be routed while avoiding interference with an air conditioner or a steering column component fastened to the steering member. The wiring and assembling of the wire harness requires complicated work. In addition, when the gap between the duct and the duct fastened to the instrument panel is laid out small, there is a risk of abnormal noise due to contact between parts due to vibration during automobile travel, in order to prevent abnormal noise generation, If a non-woven fabric is interposed or urethane soundproofing material is applied, the cost will increase.
[0004]
Therefore, an object of the present invention is to provide an automotive instrument panel having a structure in which wiring of a wire harness into an instrument panel is simplified and abnormal noise is not generated by inexpensive means.
[0005]
[Means for Solving the Problems]
The invention according to claim 1, on the back side of the synthetic resin of the air-conditioning duct body arranged along a vehicle width direction, the signal to the vehicle-mounted electric equipment, allows wiring possible Naru wire harness transmit power, etc. a structure formed cross section an inverted U-shaped trunk wiring path formed, Ri Na is at least composed of a cover for covering the structure, and the steering member is disposed beneath the opening of the trunk routing path It is characterized by becoming .
[0007]
According to a second aspect of the present invention, the branch wiring path of the branch line branched from the trunk line of the wire harness according to the first aspect is arranged from the back side to the front side from the opening formed in the connection portion of the air conditioning duct body. sandwiched canyon-like site between the duct member and the connection portion center vent outlet of the air-conditioning duct body with formed by ropes composed.
[0008]
【The invention's effect】
According to the first aspect of the present invention, on the back side of the synthetic resin air-conditioning duct body arranged along the vehicle width direction of the structure constituting the instrument panel, the signal to the in-vehicle electric device, the power source By forming the straight trunk line routing path of the wire harness capable of transmitting the wire etc., the routing into the instrument panel can be simplified. Moreover, since the routing means uses the existing air conditioning duct body, the noise does not occur without the cost rising. Furthermore, since the main wire routing path of the wire harness is formed in an inverted U-shaped cross section, it is easy to insert into the groove, and the steering member is disposed directly under the opening of the main wire routing path. Since the wire harness can be supported, the manufacturing cost is reduced.
[0010]
According to the invention described in claim 2, in addition to the effect of the invention described in claim 1, the branch wiring path of the wire harness is arranged from the back side to the surface side from the opening of the connection part of the air conditioning duct body. Since it is sought, it is easy to connect to a device provided on the surface side of the connecting portion. Further, the canyon-like site between the center vent outlet of the duct member and the connection portion of the air-conditioning duct body, since the branch line is formed by sandwiching the wire harness is reliably held, due to the vehicle running vibrations As a result, the wire harness does not move and the generation of abnormal noise is reliably prevented.
[0011]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, an embodiment of the present invention will be described with reference to FIGS.
[0012]
Reference numeral 1 denotes an automotive instrument panel. The automotive instrument panel 1 includes a module instrument 2 and a garnish molding 3, and the front-rear width dimension after the assembly of the module instrument 2 and the garnish molding 3 is as follows. It is larger than the front-rear width dimension of the door opening 4. The door opening 4 is an opening formed in the vehicle body for opening and closing a well-known door (not shown). The front pillar 6, the upper side rail 7, the center pillar 8, the side sill 9, and the front pillar as a “vehicle body”. The lower panel 10 and the constituent members are formed.
[0013]
The module instrument 2 can be fixed to the steering member 11 and is assembled in advance by a structure 31 in which auxiliary parts 21 are supported in advance, and a synthetic resin cover 41 covering the structure 31. The front-rear width dimension of the entire structure 31 and cover 41 is smaller than the front-rear width dimension of the door opening 4.
[0014]
The steering member 11 is formed in the shape of a hollow round bar having a length bridging between the front pillar lower panels 10 and 10, and both ends 11a and 11b (see FIGS. 4 and 5) include brackets 12, 13 is supported by welding, and the brackets 12 and 13 are fastened and supported by the front pillar lower panel 10 with bolts or the like (not shown). Reference numeral 14 shown in FIG. 5 is a stay, and the stay 14 is fixed at a substantially central portion on the left and right sides of the steering member 11, and a lower end is a tunnel 15 on the floor of the vehicle body (see FIGS. 1 and 2). The steering member 11 is supported from the lower LWR by being fastened and supported by bolts or the like. Reference numeral 18 shown in FIGS. 4 and 5 is a bracket that supports the steering member 11 from the upper side UP to the upper edge portion 16a of the known cowl box 16.
[0015]
The garnish molding 3 is detachably bridged between the front end portion 42 of the cover 41 and the upper edge portion 16a of the cowl box 16 so as to cover the upper UP. That is, a plurality of engaging portions 43 and 17 are formed on the front end portion 42 of the cover 41 and the upper edge portion 16a of the cowl box 16, respectively, and the bosses (not shown) of the garnish molding 3 are connected to the engaging portions 43, By being engaged with 17, it is supported. The engaging portions 43 and 17 are provided with spring-like stoppers (not shown) for holding the bosses.
[0016]
The garnish molding 3 is composed of a synthetic resin main body 51 formed in a flat plate shape. A defroster outlet 53 is formed at the front end 52 of the front side FR of the main body 51, and the rear of the main body 51. The rear end 58 of the side RR is arranged so as to ride from the upper side UP of the front end 42 of the cover 41. A protruding member 54 is formed on the rear side RR of the left and right ends of the main body 51. The protruding member 54 is formed with a side defroster outlet 55. A front differential nozzle 56 and a side differential nozzle 57 are supported on the back side of the garnish molding 3, the front differential nozzle 56 communicates with the defroster outlet 53, and the side defroster outlet 55 The side differential nozzle 57 is communicated. Further, if necessary, electronic devices such as a head-up display unit, a head-up display controller, and a unit-integrated ETC antenna can be mounted on the back side of the garnish molding 3.
[0017]
The structural body 31 is integrally formed by a synthetic resin air-conditioning duct body 19 that can be fixed to the steering member 11 and boxes 37 and 38 disposed at positions where the air-conditioning duct body 19 is held. At the same time, the auxiliary machine component 21 can be supported.
[0018]
The air-conditioning duct body 19 is connected to an air conditioner 5 disposed substantially in the center in the left-right direction of the automobile, and left and right duct bodies 34, 35 extending from the connection section 20 to the left and right. And is made up of.
[0019]
Reference numeral 32 shown in FIG. 5 is a pedestal portion, and the pedestal portion 32 is connected at its lower part to the central vent outlet 61 and the left and right vent outlets 62 and 62 of the air conditioner 5 arranged at the center of the left and right of the automobile. The upper central opening 32a and the left and right openings 32b and 32b communicate with the vent outlets 61 and 62, respectively.
[0020]
The connecting portion 20 shown in FIG. 5 includes a connecting member 36 formed by connecting the left and right duct bodies 34 and 35 to the central vent outlet 61 and the central defroster outlet 63 of the air conditioner 5 through the pedestal portion 32. As shown in FIG. 4, the central vent outlet 33 and 33 communicating with the central vent outlet 61 and the left and right vent outlets 62 and 62 of the air conditioner 5 and the left and right duct bodies 34 and 35 are bridged. comprising Te sectional inverted U-shape and the strength member 59 (see FIG. 9), and a plurality of ribs 60 which are formed integrally on and center vent outlet 33 will be extended back and forth relative to said intensity member 59 The lower end portion communicates with the central differential outlet 63 of the air conditioner 5 through the connection member 36 and the upper end portion communicates with the front differential nozzle 56 and more integrated with the ventilation path 40. It is formed composed.
[0021]
On the other hand, the left and right duct bodies 34 and 35 extend from the connection member 36 of the connection portion 20 to the front side FR, and then branch and extend in the left and right directions, respectively, and the tip opening further extends to the rear side RR (front side). The duct bodies 34 and 35 are formed integrally by boxes 37 and 38 that are formed in a substantially U shape in which the rear side RR is opened in a plan view that is bent so as to face and the upper side UP is opened. Thus, the left and right duct bodies 34 and 35 are configured to hold the boxes 37 and 38. The strength member 59 of the connection portion 20 is positioned so as to be substantially in line with the boxes 37 and 38 in the vehicle width direction, and the bending rigidity of the connection portion 20 in the vehicle width direction is increased. As shown in FIG. 9, the plurality of ribs 60 intersecting with the front end are connected to the rear wall of the air passage 40 through the front end, and the rear end is connected to the front wall of the central vent outlet 33. The bending rigidity of the part 20 in the front-rear direction is increased.
[0022]
A steering member 11 is disposed directly under the opening of the strength member 59, and a signal and power source for in-vehicle electric devices such as a center monitor 22, an audio 25, and a communication device 26 are disposed inside the strength member 59. The wire harness 87 capable of transmitting the wire harness 87 is arranged to form a straight trunk line routing path 88 (see FIG. 9) as shown in FIG. 6, and the clip 89 surrounding the wire harness 87 is strong. By being locked to the ceiling of the member 59, it is reliably supported.
[0023]
Reference numeral 90 shown in FIGS. 4 and 5 is an opening formed at the left end of the strength member 59 of the connection portion 20 of the air-conditioning duct body 19, and the wire routed from the opening 90 to the back surface side of the connection portion 20. The branch line 88a branched from the trunk line of the harness 87 is routed from the back side to the front side and is bent toward the central vent outlet 33, and the central vent outlet of the duct body 35 of the air conditioning duct body 19 and the connecting portion 20 is bent. By being sandwiched by the canyon-shaped part 91 between the mouth 33, a branch routing path in which the movement of the branch line 88a to the left and right is prevented is formed. Since the wire harness 87 is disposed on the back surface of the connecting portion 20, even if the branch line 88a is pulled, it does not come out if it slips.
[0024]
As shown in FIGS. 6 to 8, reference numeral 92 is an L-shaped fixing part that is suspended from the lower LWR of the boxes 37 and 38 and bent to the front side (rear side RR). An I-shaped fixing portion that is suspended from the lower LWR of the boxes 37 and 38 at an interval corresponding to the diameter of the wire harness 87 on the bending direction side of the L-shaped fixing portion 92. The L-shaped and I-shaped fixing As shown in FIG. 6 , the wire harness 87 is sandwiched and fixed in the front-rear direction by forming the portions 92 and 93 alternately.
[0025]
A storage 39 of the airbag device 27 is disposed on the rear RR of the left box 38, and the airbag device 27 is stored in the storage 39. Since the duct bodies 34 and 35 are formed as reinforcing members, the support rigidity of the front end portion 42 of the cover 41 is improved and the garnish molding 3 is not affected when mounted from the upper side UP.
[0026]
As shown in FIG. 3 , the cover 41 includes a planar upper member 44 in which the front end portion 42 is formed, and a vertical surface member 45 on the side facing the occupant. Covers 46 and 47 for opening and closing the openings of the boxes 37 and 38, and a monitor housing portion 48 which has an exposed opening 48a of the center monitor 22 of the auxiliary machine component 21 and incorporates the center monitor 22 such as navigation and character communication. An instrument 49 arranged on the rear side RR (front side) of the lid body 46 and an opening 50 for communicating with the left and right openings of the duct bodies 34 and 35 are formed.
[0027]
As shown in FIG. 5 , the air conditioner 5 includes a housing 64 incorporating known air temperature adjusting means such as an evaporator and a heater, a central vent outlet 61 disposed on the upper side UP and the rear side RR of the housing 64, and The left and right vent outlets 62 and 62 and a central differential outlet 63 arranged on the upper side UP of the housing 64 are also included. Reference numeral 65 denotes an indoor air intake port, and FIG. 5 shows a state in which the indoor air intake port 65 is opened. Reference numeral 66 denotes a recess surrounding the steering member 11 from the lower LWR. The rising walls 67 and 68 formed by the central vent outlet 61, the left and right vent outlets 62 and 62, and the central differential outlet 63, and the The upper side UP of the steering member 11 is surrounded by brackets 69 and 69 protruding from the rising wall 68 of the central differential outlet 63.
[0028]
First and second support members 71 and 72 are integrally formed on the rear side RR (front side) of the pedestal portion 32, and the first support member 71 is one of the accessory parts 21. An operation means 24 capable of operating a well-known automatic transmission (not shown) is supported, and the second support member 72 and a bracket 69 supported on a rear RR (front side) surface of the housing 64 of the air conditioner 5 are provided. In the meantime, the audio 25 and the communication device 26 which are one of the auxiliary machine parts 21 are supported by the support means 76.
[0029]
In addition to this, the auxiliary machine component 21 includes a steering column 23 supported by the steering member 11 and the airbag device 27 housed in a storage 39.
[0030]
Next, a method for mounting the module instrument 2 on a vehicle will be described. First, the module instrument 2 is supported by a jig (not shown). Since the front and rear width dimensions of the module instrument 2 and the support jig in this state are made smaller than the front and rear width dimension of the door opening 4, the module instrument 2 is inserted into the vehicle as it is from the door opening 4. Install in place. After the attachment, the support jig is carried out of the vehicle. Next, the garnish molding 3 is attached to the engaging portion 43 of the front end portion 42 of the module instrument 2 and the engaging portion 17 of the upper edge portion 16a of the cowl box 16 by bridging from the upper side UP.
[0031]
Since this embodiment consists of the above, the operation will be described next.
[0032]
It is possible to transmit a signal, a power source, and the like to the in-vehicle electrical device on the back side of the synthetic resin air-conditioning duct body 19 arranged along the vehicle width direction of the rigid structure 31 constituting the instrument panel 1. By forming the straight trunk line routing path 88 of the wire harness 87, the wire harness 87 becomes linear, and the heavy wire harness 87 can be reliably supported, and the wiring into the instrument panel 1 can be performed. It can be done easily. Moreover, since the routing means uses the existing air-conditioning duct body 19, no abnormal noise is generated without the cost rising.
[0033]
The main line routing path 88 of the wire harness 87 is formed in an inverted U-shaped cross section at a position protruding to the back side from the air conditioning duct body 19, so that it can be easily inserted into the groove, and the main line routing path 88 Since the steering member 11 is disposed directly below the opening 88, the manufacturing cost is reduced by the amount that the wire harness 87 can be supported.
[0034]
Since the branch line 88a of the wire harness 87 is routed from the back surface side to the front surface side from the opening 90 of the connection portion 20 of the air conditioning duct body 19 and bent to the vehicle rear side RR, it is arranged on the front surface side of the connection portion 20. It is easy to connect to a monitor 22 or the like, which is an installed device. Moreover, since the wire harness 87 is clamped by the canyon-shaped part 91 between the duct body 34.35 of the air-conditioning duct body 19 and the central vent outlet 33 of the connection portion 20, the wire harness 87 is securely held. Thus, the wire harness 87 does not move due to vibration associated with vehicle travel, and abnormal noise generation is reliably prevented.
[0035]
The left and right duct bodies 34 and 35 of the air-conditioning duct body 19 are held and integrally formed by the boxes 37 and 38, so that the frame member can be fixed to the steering member 11 supported by the front pillar lower panel 10. The simplified instrument panel 1 can be made of two parts, the cover 41 as a decorative member and the left and right duct bodies 34 and 35 of the air-conditioning duct body 19 as a skeleton member. Further, the right and left duct bodies 34 and 35 of the air conditioning duct body 19 are integrated with the air conditioner 5 because the connecting portion 20 arranged at the approximate center of the vehicle is connected to the air conditioner 5, and the strength is increased. Further improvement. In addition, since the left and right duct bodies 34 and 35 extending from the connecting portion 20 to the left and right hold the boxes 37 and 38, the strength of the air conditioning duct body 19 is remarkably improved, so the structure 31 is made of synthetic resin. In spite of this, various auxiliary machine parts 21 can be supported .
[0036]
Further, since the connecting portion 20 of the air-conditioning duct body 19 is formed in a lattice shape by the connecting member 36 connected to the air conditioner 5, the strength member 59, and the ribs 60, the strength of the connecting portion 20. Is significantly improved. In addition, since the member for adding strength is integrated with the air-conditioning duct body 19 and does not require other parts, the manufacturing cost is reduced.
[0037]
Before the module instrument 2 is incorporated into the vehicle, only the module instrument 2 smaller than the front and rear width of the door opening 4 is provided, so that the insertability of the instrument panel 1 from the door opening 4 into the room can be improved. Since the garnish molding 3 is detachably bridged between the front end portion 42 of the cover 41 of the module instrument 2 and the upper edge portion 16a of the cowl box 16, it is repaired after the instrument panel 1 is mounted on the vehicle body. If the need arises, simply removing the garnish molding 3 exposes the back side of the cover 41 and the front part of the module instrument 2 so that it can be repaired without removing the instrument panel 1, that is, the cover 41. Improved sex.
[0038]
Since the defroster blowout port 53 and the side defroster blowout port 55 are formed in one garnish molding 3, the manufacturing cost is low because no other parts are required.
[0039]
The rear end portion 51a of the main body 51 of the garnish molding 3 is supported so as to cover the front end portion 42 of the cover 41 of the module instrument 2 from the upper side UP, so that the main body 51 of the garnish molding 3 is supported. Is possible by tapping from the upper UP.
[0040]
In the color design of the instrument panel 1, the upper surface of the cover 41 and the front surface of the instrument panel 1 are divided so that a two-tone color (for example, the upper surface is difficult to reflect light and the front side is a bright color) Combination) becomes possible. In addition, by using different shapes, various combinations are possible, and parts can be shared between vehicle types.
[Brief description of the drawings]
FIG. 1 is a side view of an instrument panel mounted on an automobile showing an embodiment of the present invention.
FIG. 2 is a side view showing the relationship between the instrument panel and the door opening of FIG.
3 is an exploded perspective view of the instrument panel of FIG. 1. FIG.
4 is a perspective view of the module instrument of FIG. 3. FIG.
FIG. 5 is an exploded perspective view of FIG. 4;
6 is a perspective view showing a state of the wire harness in the state of FIG. 4. FIG.
7 is a cross-sectional view taken along line SA-SA in FIG.
8 is a cross-sectional view taken along line SB-SB in FIG.
9 is a cross-sectional view taken along line SC-SC in FIG.
[Explanation of symbols]
1 Automotive instrument panel 5 Air conditioner
DESCRIPTION OF SYMBOLS 11 Steering member 19 Air-conditioning duct body 20 Connection part 31 Structure 33 Central vent outlet 34, 35 Duct body 36 Connection member 37, 38 Box 41 Cover 59 Strength member 87 Wire harness 88 Main line routing route
88a Opening of branch line 90 trunk line routing route 91 Gorgeous part

Claims (2)

  An inverted U-shaped trunk wire arrangement that can route a wire harness that can transmit signals, power supplies, etc. to in-vehicle electrical equipment on the back side of a synthetic resin air conditioning duct body arranged along the vehicle width direction An instrument panel comprising at least a structure that forms a cable path and a cover that covers the structure, and a steering member disposed immediately below the opening of the trunk cable path. An instrument panel according to claim 1,
Branch wiring path branched branch line from the mains of the wire harness, the duct member and the connection of the air-conditioning duct body with made is routed to the surface side of the aperture formed in the connecting portion of the air-conditioning duct body from the back side An instrument panel characterized by being sandwiched by a canyon-shaped part between the central vent outlet of the part.

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