JPH11198645A - Wind direction adjusting device of vehicular air-conditioning unit - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a wind direction adjusting device of a vehicular air- conditioning unit, capable of extensively adjusting the blowoff direction of a wind, without reducing the wind blowoff capacity. SOLUTION: A suspended rod 16 of a suspended bracket 14 supporting an air-conditioning unit 7 is suspendibly supported on a base bracket 11 locked to the seiling of a cabin in a forklift truck. Then, the whole unit is uplifted and thereby the fitting of a spline shaft 16b of the suspended rod 1 6 to a spline hole in the base bracket 11 is released, thereby making a sense of the horizontal direction of an air-conditioning unit 7 adjustable. In addition, a duct 8 equipped with a supply opening 9 at the tip is attached to the air-conditioning unit 7 as being inclinedly adjustable in the vertical direction via an adjusting bolt 17.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a wind direction adjusting device for a vehicle air conditioner unit installed in a cabin of an industrial vehicle such as a forklift.

[0002]

2. Description of the Related Art In a forklift with a cabin, an air conditioner unit for cooling and heating or a cooler unit exclusively for cooling (hereinafter referred to as an air conditioner unit) may be installed in the cabin. In the case of a forklift, by mounting the air conditioner unit on the floor or ceiling, providing a movable louver at the air outlet provided at the air conditioner unit or at the air outlet at the end of the duct extending from the air conditioner unit, and changing the inclination angle of the louver The wind direction was adjusted.

[0003]

Therefore, once the conventional air conditioner unit is installed in the cabin, the direction of the air outlet is fixed. Therefore, the adjustment of the wind direction after installation is adjustment by changing the inclination angle of the louver provided at the outlet, but the adjustment range of the wind blowing direction by the louver naturally has a limit, and when the louver is greatly inclined, There is a problem that the blowing resistance is increased and the blowing ability is reduced as compared with the case where the louver is in the straight position and in the original blowing direction.

SUMMARY OF THE INVENTION The present invention has been made in view of the above-described problems, and has as its object to adjust the blowing direction of the wind over a wide range without reducing the blowing ability. An object of the present invention is to provide a wind direction adjusting device for a vehicle air conditioner unit.

[0005]

Means for Solving the Problems In order to solve the above problems, the present invention is configured as follows. That is, the invention of claim 1 is a wind direction adjusting device for an air conditioner unit for a vehicle, wherein the air conditioner unit having an outlet at a front portion can be rotated and adjusted in a horizontal direction with respect to an installation surface in a cabin, and Mounted so that the tilt can be adjusted vertically. Here, the air conditioner unit includes a cooler unit.

According to the first aspect of the present invention, after the air conditioner unit is installed in the cabin, the adjustment of the unit in the horizontal direction and the adjustment in the vertical direction are performed. The direction of the outlet can be changed depending on the combination. According to the method of changing the direction of the air outlet itself, the air blowing resistance is not increased, so that the air blowing direction can be adjusted in a wide range while maintaining the rated blowing ability. Becomes

According to a second aspect of the present invention, there is provided a wind direction adjusting device for an air conditioner unit, wherein an air conditioner unit having an air outlet at a front portion thereof is mounted so as to be rotatable in a horizontal direction with respect to an installation surface in a cabin. A wind direction adjustment member is attached to the air conditioner unit in front of the air outlet so as to be vertically tilt-adjustable. According to such a configuration, the direction of the air outlet can be adjusted over a wide range by a combination of the horizontal rotation adjustment of the entire air conditioner unit and the vertical adjustment of the wind direction adjustment member. According to such a method, the blowing resistance is not increased, so that the blowing direction can be adjusted over a wide range while maintaining the rated blowing performance of the unit.

According to a third aspect of the present invention, in the wind direction adjusting device for a vehicle air conditioner unit according to the second aspect, the wind direction adjusting member is a duct. According to a fourth aspect of the present invention, in the wind direction adjusting device for a vehicle air conditioner unit according to the second aspect, the wind direction adjusting member is a wind direction plate that guides the wind blown out from the outlet downward.

According to the third or fourth aspect of the present invention, after the air conditioner unit is installed in the cabin, the air conditioner unit can be rotated in the horizontal direction and the duct or the wind direction plate can be adjusted. The direction in which the wind is blown can be changed in combination with the tilt adjustment of the direction.

According to a fifth aspect of the present invention, in the wind direction adjusting device for a vehicle air conditioner unit according to any one of the first to fourth aspects, the air conditioner unit is suspended via a suspension rod which can move up and down with respect to a suspension bracket. When the suspension rod is suspended from the suspension bracket, the movement in the rotation direction is restricted by the mutual engagement of a plurality of concave and convex portions provided along the circumferential direction, and the suspension rod is moved relative to the suspension bracket. When it moves upward, the mutual engagement of the concave and convex portions is released.

According to the second aspect of the present invention, the operation of lifting the air conditioner unit, turning the air conditioner in the horizontal direction, and then lowering the air conditioner unit can easily adjust the horizontal orientation of the air outlet. Can be.

[0012]

Embodiments of the present invention will be specifically described below with reference to the drawings. First, a wind direction adjusting device for a vehicle air conditioner unit according to a first embodiment will be described with reference to FIGS. 1 is a side view showing a wind direction adjusting device of an air conditioner unit, FIG. 2 is a sectional view taken along line AA of FIG. 1, FIG. 3 is a sectional view taken along line BB of FIG. 1, FIG.
FIG. 5 is an explanatory view showing an installation mode of an air conditioner unit in a cabin, and FIG. 6 is an overall side view of a forklift with a cabin.

As shown in FIG. 6, a cabin 2 is mounted on a vehicle body 1 of a forklift, and the cabin 2 includes front and rear pillars 3, a roof 4, left and right doors 5, and front and rear glasses 6.
The ceiling of the room has an air conditioning unit for cooling and heating or a cooler unit 7 for cooling (hereinafter, referred to as a cooling unit 7).
Air conditioner unit) is installed. As shown in FIG. 4, the housing 7a of the air conditioner unit 7 is formed in a substantially rectangular box shape with an open front portion.
A duct 8 communicating with the opening is provided on the front surface of the a. The duct 8 is formed in a horizontally elongated substantially box shape,
Three movable louvers 10 for adjusting the wind direction for adjusting the blowing direction of the wind from the outlet 9 are provided side by side in the horizontally elongated outlet 9 provided at the end.

The air-conditioning unit 7 having the above configuration
Is mounted, for example, in a suspended manner on the ceiling 2 a of the cabin 2, diagonally forward right of the driver's seat. Hereinafter, a description will be given of a mounting structure for enabling the air direction of the air conditioner unit 7 to be adjusted. As shown in FIGS. 1 and 2, a substantially U-shaped base bracket 11 is fixed upward on a ceiling 2a which is a unit installation surface, and a flat portion of the base bracket 11 has a circular shape as shown in FIG. And a slit 13 extending from one side and communicating with the spline hole 12.

On the other hand, the housing 7 of the air conditioner unit 7
In a, a plurality of bolts 15 are fixed to the left and right side surfaces of the housing 7a, respectively, in a state where a substantially U-shaped hanging bracket 14 is arranged downward so as to cover from above. A suspension rod 16 is provided on the upper surface of the center of the mounting bracket 14 in an upward direction. The suspension rod 16 has a locking flange 16a at an upper end (head), a spline shaft 16b at an intermediate portion, and a small-diameter portion 16c at a lower end. After being inserted into the slit 13 from the lateral direction, the spline shaft 16b is lowered so as to fit into the spline hole 12, so that the spline shaft 16b is suspended from the suspension bracket 11.

That is, by changing the circumferential fitting position of the spline shaft 16b to the spline hole 12,
The horizontal direction of the air conditioner unit 7 with respect to the base bracket 11 can be changed. The spline shaft 16b and the spline hole 12 adjust the horizontal direction of the outlet 9 by mutual engagement of the concave and convex portions. Is configured.

The duct 8 constitutes a wind direction adjusting member for adjusting the direction of the wind blown from the air conditioner unit 7, and the left and right side surfaces of the duct 8 constitute the left and right side surfaces of the housing 7a of the air conditioner unit 7. And at the overlapping portion thereof, it is attached via an adjustment bolt 17 so as to be tiltable in the vertical direction. The adjustment bolt 17 is a stepped bolt having a screw portion 17a at the tip, and as shown in FIG.
b into the hole provided on the side surface of the duct 8 and
The duct 8 is fixed by tightening a into the screw hole of the housing 7a. When the screw portion 17a is loosened, the angle of the duct 8 can be adjusted around the adjustment bolt 17. That is, the adjusting screw 17 constitutes an adjusting means for changing the direction of the outlet 9 in the vertical direction.

The wind direction adjusting device of the air conditioner unit according to the present embodiment is configured as described above, and the direction of air outlet 9 after installation on cabin ceiling 2a is adjusted as follows. First, when the entire unit including the duct 8 is lifted, the spline shaft 16b of the suspension rod 16 is disengaged from the spline hole 12 as shown in FIG. Become. Therefore, in this state, the entire unit is rotated horizontally to adjust the horizontal orientation of the outlet 9 at the tip of the duct 8, and then the entire unit is lowered, so that the spline shaft 16b fits into the spline hole 12. , The whole unit is fixed in the adjustment position.

On the other hand, the vertical direction of the outlet 9 can be adjusted by changing the vertical tilt angle of the duct 8 with the adjustment bolt 17 loosened. That is, according to the present embodiment, the direction of the outlet 9 can be adjusted by a combination of the horizontal rotation adjustment of the entire air conditioner unit 7 and the vertical tilt adjustment of the duct 8. In addition, such a method of adjusting the direction of the air outlet 9 by changing the direction of the air conditioner unit 7 and the duct 8 does not increase the blowing resistance of the wind, so that the rated blowing performance can be maintained and a predetermined air volume can be blown out. Thus, the adjustment of the wind blowing direction becomes wide.

In this embodiment, the outlet 9 has three holes.
Since the plurality of movable louvers 10 are provided, the wind can be converged or diffused to the left, right, front and rear, and blown out by individually adjusting the inclination angles of the louvers 10 as necessary.

When the inclination angle of the duct 8 is adjusted, a gap may be formed on the upper surface or the lower surface at the connection point with the housing 7a, so that the wind may leak. A sealing material made of a flexible and air-impermeable material such as a rubber sheet is attached to the upper and lower surfaces of the housing 8 so as to cover the housing 7a, or a stick-shaped member is formed on the mating surface (opposing surface) of the housing 7a and the duct 8. It is desirable to prevent this by interposing a sealing material.

Next, a second embodiment of the present invention will be described with reference to FIGS. In this second embodiment,
As a wind direction adjusting member, a wind direction plate 21 is provided instead of the duct 8 in the first embodiment. The air conditioner unit 7 is installed on the ceiling 2 of the cabin 2 as an installation surface.
The configuration that can be attached to the base bracket 11 fixed to “a” so as to be rotatable and adjustable in the horizontal direction is the same as in the first embodiment described above, and a description thereof will be omitted.

In this embodiment, the air conditioner unit 7
A horizontally long opening provided in the front portion of the housing 7a is an air outlet 9, and the air outlet 9 is not provided with a louver, and the wind is blown substantially horizontally without receiving resistance. In order to guide the wind toward the occupant, that is, obliquely downward, a wind direction plate 21 that can be adjusted to expand and contract is provided. The wind direction plate 21 is a movable deflection plate composed of a substantially V-shaped base deflection plate 22 integrally provided with attachment portions 22a on both left and right sides on the base side, and a flat plate slidably attached to the base deflection plate 22. The mounting portion 22a of the base deflection plate 22 is attached to the side surface of the housing 7a via an adjustment bolt 24 similar to that of the first embodiment so as to be tiltable in the vertical direction.

The movable deflecting plate 23 is partially overlapped with the base diverting plate 22, and an adjusting screw 26 screwed into the base diverting plate 22 through at least two long holes 25 provided on the overlapping surface. Has been fixed by. Therefore, when the adjusting screw 26 is loosened, the movable deflection plate 23 slides along the long hole 25 and the wind direction plate 21 can be expanded and contracted.

Further, on the lower surface of the tip of the movable deflection plate 23,
A plurality of sub-diverting plates 27 are provided. The sub-diverting plate 27 generates wind flowing along the lower surface of the wind direction plate 21.
Each sub-diverting plate 27 has one mounting shaft 28 rotatably penetrating the movable diverting plate 23, and a nut is provided on a thread portion of the mounting shaft 28. It is attached by tightening 29. Therefore,
With the nut 29 loosened, the inclination angle can be adjusted with respect to the flow direction of the wind.

The second embodiment is configured as described above. Therefore, according to the airflow direction adjusting device for an air conditioner unit according to the second embodiment, the air conditioner unit 7
The horizontal direction of the air outlet 9 is adjusted by the horizontal rotation adjustment, and the wind blown in the horizontal direction from the air outlet 9 can be arbitrarily changed by adjusting the vertical tilt angle of the air direction plate 21.

In this case, if the wind direction plate 21 is extended and used, the wind can be intensively guided to a position distant from the outlet 9, and if the wind direction plate 21 is used in a contracted state, the wind is dispersed at a position closer to the outlet 9. Can be. Therefore, the occupant can be used in such a manner that the occupant receives the wind over the entire body or locally by changing the length of the wind direction plate 21. Also,
By changing the inclination angle of the sub-diverting plate 27, the wind direction plate 2
1 can be used in a form of diffusion or convergence in the width direction.

In the first and second embodiments, the spline shaft 16b of the suspension rod 16 and the base bracket 1 are used as means for adjusting the horizontal direction of the air outlet 9.
9, the locking ring 31 having the saw-tooth unevenness 31a is provided on the upper surface of the flat portion of the base bracket 11 as shown in FIG. It is also possible to adopt a configuration in which a similar saw-tooth-like unevenness 16d is provided on the lower surface of the locking flange 16a of the suspension rod 16 inserted into the mounting hole of.

Further, the duct 8 shown in the first embodiment
Instead of the wind direction plate 21 shown in the second embodiment, as shown in FIGS. 10 and 11, the air conditioner unit 7 may be attached to the suspension bracket 14 so as to be vertically tiltable. It is possible. That is, in this modified example, as in the first and second embodiments, the suspension bracket 14 is attached to the base bracket 11 so as to be able to adjust the horizontal rotation, and then the air conditioning unit 7 is attached to the suspension bracket 14. The left and right sides of the housing 7a are vertically rotatably mounted via mounting pins 33. Further, the suspension bracket 14 is provided with an arc-shaped long hole 34 (or groove) centered on the mounting pin 33, and the long hole 34 is provided in the housing 7.
The engagement pin 35 protruding from the side surface of the pin a is fitted, and the nut 36 is fixed to the threaded portion 35a at the tip of the engagement pin 35 by fastening. In this modification, the opening of the housing 7a is the outlet 9.

Therefore, when the nut 36 is loosened, the air conditioner unit 7 can be tilted up and down around the mounting pin 33 to adjust the direction of the outlet 9 in the up and down direction. That is, according to this modification, the direction of the air outlet 9 can be adjusted by adjusting the horizontal rotation and the vertical tilt of the air conditioner unit 7 itself.

Although not shown, the installation surface of the air conditioner unit 7 with respect to the cabin 2 is not limited to the ceiling 2a. Furthermore, the air conditioner unit 7 is made rotatable in the horizontal direction and tiltable in the up and down direction.
May be configured to be adjustable. Further, although the embodiment has been described with reference to the case of a forklift, the invention is not limited to this, and any vehicle having a cabin such as a shovel loader or a crane can be applied.

[0032]

As described in detail above, according to the present invention,
It is possible to provide a wind direction adjusting device of a vehicle air conditioner unit capable of adjusting a wind blowing direction in a wide range without reducing a wind blowing ability.

[Brief description of the drawings]

FIG. 1 is a side view showing a wind direction adjusting device of an air conditioner unit according to a first embodiment.

FIGS. 2A and 2B are cross-sectional views taken along line AA of FIG. 1, wherein FIG. 2A shows a suspended and fixed state, and FIG. 2B shows a horizontal rotation adjustment mode of the air conditioner unit.

FIG. 3 is a sectional view taken along line BB of FIG. 1;

FIG. 4 is an exploded perspective view of a wind direction adjusting device of the air conditioner unit.

FIGS. 5A and 5B are explanatory views showing an installation mode of the air conditioner unit in the cabin, where FIG. 5A is a plan view and FIG. 5B is a rear view.

FIG. 6 is an overall side view of a forklift with a cabin.

FIG. 7 is a side view showing a wind direction adjusting device according to a second embodiment.

FIG. 8 is an exploded perspective view of the same.

FIG. 9 is an explanatory diagram showing a modified example.

FIG. 10 is a side view showing another modification.

FIG. 11 is a sectional view taken along line CC of FIG. 10;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 2 ... Cabin 7 ... Air-conditioning unit 8 ... Duct 9 ... Outlet 11 ... Base bracket 12 ... Spline hole 14 ... Hanging bracket 16 ... Hanging rod 16b ... Spline shaft 17 ... Adjustment bolt 21 ... Wind direction plate 22 ... Base diverting plate 23: movable deflection plate 27: sub deflection plate

Claims (5)

[Claims] 1. A wind direction adjustment of a vehicle air conditioner unit in which an air conditioner unit having an air outlet at a front portion is mounted so as to be horizontally rotatable and vertically adjustable with respect to an installation surface in a cabin. apparatus. 2. An air conditioner unit having an air outlet on a front portion thereof is mounted so as to be rotatable and adjustable in a horizontal direction with respect to an installation surface in a cabin. A wind direction adjustment device for a vehicle air conditioner unit that is mounted so that it can be tilted in the direction. 3. A wind direction adjusting device for a vehicle air conditioner unit according to claim 2, wherein said wind direction adjusting member is a duct. 4. A wind direction adjusting device for a vehicle air conditioner unit, wherein the wind direction adjusting member is a wind direction plate for guiding wind blown out from an outlet downward. 5. The air conditioner unit is suspended via a suspension rod which can move up and down with respect to a suspension bracket, and the suspension rod extends along a circumferential direction in a suspended state with respect to the suspension bracket. The movement in the rotation direction is regulated by the mutual engagement of the plurality of uneven portions provided in the manner described above, and the mutual engagement of the uneven portions is released when moved upward with respect to the suspension bracket. The wind direction adjusting device for an air conditioner unit for a vehicle according to any one of claims 4 to 7.