JPS621855B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a ventilation device for a motor vehicle.

In a ventilation device that blows cold air or outside air into the vehicle interior, there are two types of ventilation devices: one is the local air outlet from spot outlets such as the center or both sides of the instrument panel, and the other is the overall air outlet from the outlet that spans almost the entire width of the instrument panel. From the point of view of comfort, it is ideal that the air outlet and the air outlet can be switched freely, and it is desirable that such switching operation be performed simply and quickly.

The present invention has been made in view of the above-mentioned circumstances, and an object of the present invention is to provide a ventilation system for an automobile that can easily switch between local blowout and general blowout of cold air or outside air. We are here to provide you with the equipment.

In order to achieve the above object, the present invention provides an instrument panel with a spot air outlet that blows out air in spots and a wide flow air outlet that blows air out over substantially the entire width of the instrument panel, and connects the spot air outlet to the instrument panel. It is characterized in that it is formed to be movable for storage and exposure with respect to the panel surface, and that a damper is actuated in response to the storage and exposure movement, and that the operation of the damper allows switching between a spot outlet and a wide flow outlet.

A preferred embodiment of the present invention will be described below with reference to the accompanying drawings.

FIG. 1 is a perspective view of a ventilation device according to the present invention, FIG. 2 is a cross-sectional view taken along the line -- in FIG.
The figure shows a sectional view taken along the line -- in FIG. 1, and FIG. 4 shows a view taken in the direction of the arrows in FIG.

Reference numeral 1 designates an instrument panel, and the instrument panel 1 includes an upper surface portion 2, an inclined surface portion 3 that stands obliquely upward from the rear edge of the upper surface portion 2, and an inclined surface portion 3.
An upper end surface portion 5 bent from the upper edge toward the front windshield 4 side, a bottom surface portion 6 extending below the upper surface portion 2, and rising from the rear edge of the bottom surface portion 6 and connected to the rear edge of the upper end surface portion 5. It is composed of a rear surface section 7, a front surface section 8, etc., which is vertically disposed downward from the front edge of the upper surface section 2.

A meter unit 11 incorporating various meters such as a speedometer is mounted on the left side of the upper surface section 2 near the front edge, and a glove box 12 is mounted on the right side of the front surface section 8 through a window hole 13 in the center. An air conditioning switch unit 14 incorporating a fan switch, a temperature control lever, etc. is attached to each of the units.

An upper bulkhead plate 21 and a lower bulkhead plate 22 are provided between the inclined surface portion 3 and the rear surface portion 7 at intervals in the vertical direction, and the upper bulkhead plate 21 and the lower bulkhead plate 22 form an instrument panel. 1 Inside, from above, the defroster duct 23, wide flow duct 2
4, an air control duct 25, and each duct 23, 24, 25 extends in the lateral direction.

A wide flow duct 24 is provided on the inclined surface portion 3.
A plurality of slits 26 for blowing out cold air or outside air introduced into the vehicle interior are provided over substantially the entire width, and a wide flow outlet 27 is formed by the slits 26 and the like.

Spot outlets 31 and 32 are provided on the left and right sides of the front surface section 8, respectively, for blowing out the cold air or outside air introduced into the air control duct 25 into the vehicle interior, and at the middle section of the upper surface section 2 in the longitudinal direction. An opening 33 is formed in the middle part in the width direction, and the opening 33
A hop-up outlet 41 is assembled to a frame member 34 fitted around the periphery.

The hop-up outlet 41 consists of an upper surface part 42, left and right side parts 43, a front part 44, a rear part 45, a support piece part 46 protruding from the lower rear part of the rear part 45, and the like. is formed in an open shape in the air control duct 25, the support piece part 46 is pivotally attached to a support shaft 47 provided below the rear edge of the frame member 34, and the front part 44 and the rear part 45 are respectively attached to the support shaft 47. It is formed into a curved surface centered on a shaft 47, and the front part 44 is formed as an air outlet 48.

The hop-up outlet 41 is connected to the front portion 4 by a spring 51 wound around the support shaft 47.
4 is urged to move upward around a support shaft 47, and is interlocked with a push button 52 provided on the front edge of the frame member 34, a claw member 53, an upper locking recess 54 formed in the front part 44, The lower locking recess 55 is formed to be freely engageable, and when the upper surface part 42 is pushed down, the upper locking recess 54 and the claw member 53 are engaged, and the upper surface part 42 and the upper surface of the frame member 34 become continuous. The air outlet 48 is housed in the air control duct 25 of the instrument panel 1, and when the push button 52 is pressed, the engagement between the upper locking recess 54 and the claw member 53 is released, and the elastic force of the spring 51 causes the front surface to open. The section 42 moves upward, and an air outlet 48 is formed on the top surface of the instrument panel 1.
is formed so that the lower locking recess 55 and the claw member 53 are engaged with each other.

An air supply port 61 is opened in the bottom part 6 of the instrument panel 1 at the middle part in the width direction.
The lower side of the air supply port 61 is connected to one end of a duct 62 that connects to an air conditioning unit (not shown).

Above the air supply port 61, a support shaft 62 is installed horizontally in the width direction of the instrument panel 1, and a rotary damper 63 is provided so as to be rotatable by 90 degrees about the support shaft 62. It is arranged so as to face below the hop-up outlet 41.

As shown in FIGS. 2 and 4, the rotary damper 63 is composed of left and right side portions 71, 72, a curved peripheral surface portion 73 connecting the tips of the left and right side portions 71, 72, etc. It is formed into a substantially fan shape.

Left and right side parts 71, 7 of the rotary damper 63
Side plates are provided at the locations facing the rotary damper 63 and the left and right side surfaces 71 and 71 of the rotary damper 63, respectively.
Air switching chambers 76 and 77 are defined by the air switching chamber 72 and the side plates, and a communication hole 78 is formed in a portion of the lower partition plate 22 facing the air switching chamber 76. When the rotary damper 63 is tilted forward, the wide flow duct 24 and the duct 62 are connected to the air switching chambers 76, 7.
7. Communicates through communication hole 78 and duct 62
When the rotary damper 63 is tilted backward, the air control duct 25 and the duct 62 communicate with each other via the air switching chambers 76 and 77, and the duct 62 and the wide flow duct 24 communicate with each other through the air switching chambers 76 and 77. is configured to be blocked.

As shown in FIG. 4, the rotary damper 63 is rotated forward and backward through a link mechanism 82 disposed in a link space 81 outside the left side surface portion 71. Let 4
It is formed to be performed in conjunction with the storage/exposure movement of step 1.

That is, the support shaft 62 exposed outside the left side surface portion 71
A gear 83 is attached to an end of the gear 83, a lower end gear 84 is engaged with the gear 83, and an intermediate link 86 is swingable about a support shaft 85, and one end 88 is engaged with an upper long groove 87 of the intermediate link 86. The hop-up outlet 4 is connected to the hop-up outlet 4 by an interlocking link 89 which is fitted together and whose other end is fixed to the hop-up outlet 41.
1 and the rotary damper 63 are formed to be freely interlocked with each other. When the hop-up outlet 41 is in the retracted state, the rotary damper 63 is moved forward, and when the hop-up outlet 41 is in the exposed state, the rotary damper 6 is moved forward.
3 is formed so as to fall backwards.

Below the intermediate link 86 is a spring 9.
1 is tensioned, and the resilient force of the spring 91 forces the rotary damper 63 to fall back and expose the hop-up outlet 41.

Since the present invention is configured as described above, if the air conditioning unit is operated with the hop-up outlet 41 exposed and, for example, cold air is sent to the duct 62, the cold air will flow through the air supply port 61 and the air switching chamber 7.
6, 77 into the air control duct 25, and is blown into the vehicle from the air outlet 48 of the hop-up outlet 41 and the left and right spot air outlets 31, 32, thereby blowing out the cold air locally. Therefore, when the temperature inside the vehicle is relatively high in the summer, it is possible to cool the appropriate location according to the intention of the front seat occupant.

Next, in this state, hop-up outlet 41
When the rotary damper 63 is retracted, the rotary damper 63 is operated to switch via the link mechanism 82, and the cold air is sent into the wide flow duct 24 via the air supply port 61 and the air switching chambers 76, 77, and the wide flow outlet 2
The cold air is blown into the vehicle interior from 7, and the cold air can be blown out throughout the vehicle interior, and the cold air can be uniformly blown out into the vehicle interior to eliminate uneven cooling, and the interior of the vehicle can be kept at an appropriate temperature.

In addition, since the above-mentioned extreme partial blow-off and general blow-off can be performed by pressing down the hop-up outlet 41 and one-touching the push button 52, it is easy to switch between the local blow-off and the general blow-off. This can be done quickly, and there is no need to provide a separate operating lever for switching.
The air conditioning switch 14 and the like can be made compact, and when stored, it is substantially integrated with the upper surface portion 2 of the instrument panel 1, resulting in excellent appearance.

In addition, since the two springs 51 and 91 are made to act separately on the hop-up outlet 41, the elastic force is dispersed, and the spring that biases the hop-up outlet 41 causes the portion of the hop-up outlet 41 to There is no risk of distortion, etc., and it has excellent durability, and the storage and exposure movement of the hop-up outlet 41 can be performed smoothly.

Further, since the hop-up outlet 41 and the push button 52 can be assembled into the frame member 34 in advance, assembly work can be easily performed.

As is clear from the above description, according to the present invention,
Switching between local blowout and general blowout of cold air or outside air can be done with a single touch on the spot blowout port, making the switching work easy and improving the durability, ease of assembly, and appearance of the device. It exhibits many excellent effects such as being excellent in sex.

[Brief explanation of the drawing]

The drawings show one embodiment of the present invention, and FIG. 1 is a perspective view of the device, FIG. 2 is a cross-sectional view taken along the line -- in FIG. 1, FIG. 3 is a cross-sectional view taken along the line -- in FIG. FIG. 2 is a view taken along the arrows in FIG. 2; In addition, in the drawing, 1 is the instrument panel, 23
is a defroster duct, 24 is a wide flow duct, 25 is an air control duct, 27 is a wide flow outlet, 31 and 32 are spot outlets,
41 is a hop-up outlet, and 63 is a rotary damper.

Claims (1)

[Claims] 1. In a ventilation device that blows cold air or outside air into a vehicle interior, a spot air outlet that blows out air in spots and a wide flow air outlet that blows air out over substantially the entire width of the instrument panel are provided in the instrument panel, respectively. A spot air outlet is formed so that it can be freely retracted and exposed with respect to the instrument panel surface, and a damper is operated in accordance with the movement of the retracted and exposed air outlet, and the spot air outlet and the wide flow air outlet can be freely switched by operating the damper. An automotive ventilation device featuring: