JPH1120453A - Sliding door device for air conditioner - Google Patents

Abstract

PROBLEM TO BE SOLVED: To combine space saving and operating force saving of a door body. SOLUTION: An inside lever 6 for sliding a door body 2 by drive mechanism 3 in a direction Y intersecting a ventilating direction X, with one end thereof moved around a driving shaft 5 as the rotation center is provided inside a case 4, and the other end side of the inside lever 6 is rotatably connected to the door body 2 by a pin 10. The door body 2 and the inside of the case 4 are provided with attitude control mechanism 11 for the door body 2 at the time of sliding. In the attitude control mechanism 11, in the ascent limit position of the door body 2, an upper protrusion 12 is engaging in sliding contact with an upper guide rail 14, and a lower protrusion 13 is detached from a lower guide rail 15. In the descent limit position of the door body 2, the upper protrusion 12 is detached from the upper guide rail 14, and the lower protrusion 13 is engaged in sliding contact with the lower guide rail 15. In the intermediate position of the door body 2, the upper and lower protrusions 12, 13 are engaged in sliding contact with the upper and lower guide rails 14, 15.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a sliding door device of an air conditioner in which a door body is slid in a direction intersecting a ventilation direction by a drive mechanism in a case forming an airway.

[0002]

2. Description of the Related Art For example, Japanese Unexamined Utility Model Publication No. Hei 2-15508 discloses an intake door for changing the inside / outside air introduction form of an air conditioner, an air mixing door for changing a rate at which the wind passing through an evaporator passes or bypasses a heater core, and an air mixing door for changing the air flow. A door body such as a mode door that changes the blowing mode is driven by a drive mechanism.
A slide door device of an air conditioner that slides in a direction orthogonal to a passing direction is disclosed. Japanese Patent Application Laid-Open No. 5-85147 discloses a rotating door device of an air conditioner in which a plate-like door body is moved with one end thereof as a center of rotation.

[0003]

However, in the slide door device, since the drive mechanism employs the pinion gear and the rack gear, the diameter of the pinion gear increases when the operation force for sliding the door body is reduced. . Further, in the revolving door device, the rotation range of the door body is increased. In other words, both go against miniaturization.

Accordingly, an object of the present invention is to provide a sliding door device of an air conditioner which can achieve both a saving in space of a door body and a saving in operation force.

[0005]

According to a first aspect of the present invention, there is provided a sliding device for an air conditioner, wherein a door body is provided in a case of the air conditioner so as to slide by a driving mechanism in a direction intersecting a ventilation direction. In the sliding door device, an inner lever of the driving mechanism is provided inside the case so as to move around one end thereof as a center of rotation, and the other end of the inner lever is rotatably connected to the door body, and the door body and the inside of the case are connected to each other. And a mechanism for controlling the attitude of the door body when the door slides. According to the configuration of the first aspect, the door body is slid by the drive mechanism in a direction intersecting the ventilation direction, so that space can be saved as compared with the revolving door device. In addition, the attitude of the door body when it is slid is controlled by the attitude control mechanism so that the wind pressure received by the door body becomes uniform, and the operation force for sliding the door body becomes constant. In the slide device of the air conditioner according to claim 2,
In a sliding door device of an air conditioner, in which a door body is slid in a direction intersecting a ventilation direction by a drive mechanism in a case of the air conditioner, an inner lever of the drive mechanism moves inside the case with one end thereof as a rotation center. , The other end of the inner lever is rotatably connected to the door body, and a motion conversion mechanism is provided for linearly sliding the door body when sliding to the connecting portion or the inner lever. . According to the configuration of the second aspect, the slide of the door main body is linearly moved by the motion conversion mechanism, and the space can be further saved. According to a third aspect of the present invention, there is provided a sliding door apparatus for an air conditioner, wherein the door body according to the first or second aspect is bent downward from a rotatable connection portion to the other end of the inner lever. And According to the configuration of the third aspect, immediately after the door body starts to slide, the wind colliding with the upper side face of the door body is guided upward along the upper side face from the rotatable connection portion to the other end of the inner lever. Then, the wind that has flowed into the upper opening formed between the door body and the case and collides with the door body is guided downward along the lower side surface from the rotatable connection portion with respect to the other end of the inner lever. By flowing into the lower opening formed between the main body and the case, the door main body starts moving lightly.

[0006]

1 and 2 show a first embodiment, FIG. 1 shows an appearance of a sliding door device 1 viewed from an oblique direction, and FIG. 2 shows an operation of the sliding door device 1. FIG.

As shown in FIG. 1, in the case of the first embodiment, the door body 2 of the sliding door device 1 is provided so as to be slid in the vertical direction Y intersecting with the ventilation direction X by the driving mechanism 3. The drive mechanism 3 includes a drive shaft 5 rotatably mounted on the left and right side walls of a case 4 forming an air path, and an inside of the case 4 such that one end fixedly mounted on the drive shaft 5 moves as a rotation center. A pair of left and right inner levers 6, an outer lever 7 fixedly attached to one end of a drive shaft 5 protruding outside the case 4, a motor 8 as an actuator attached outside the case 4, A link plate connected to an output end of a motor and an outer lever, for rotating the drive shaft through the link plate and the outer lever by the power of the motor; The lever 6 operates in the vertical direction Y intersecting the ventilation direction X with the drive shaft 5 as the center of rotation. Door body 2
The left and right sides of the pair of left and right inner levers 6 are rotatably connected to the center in the sliding direction (same as the vertical direction Y) on both left and right sides by pins 10 and the door body 2 is Pin 10 as a rotatable connection to the end side
It is bent further to the leeward side, for example, so as to have a rectangular shape. A posture control mechanism 11 of the door body 2 when sliding is provided inside the door body 2 and the case 4. The attitude control mechanism 11 includes two sets of upper and lower projections 12 and 13 projecting outward from upper and lower ends of the sliding direction Y on both left and right sides of the door body 2, and two sets of upper and lower parts formed on the left and right side walls inside the case 4. As shown in FIG. 2A, the upper protrusion 12 is located at the upper limit position in the sliding direction Y of the door body 2 as shown in FIG.
4 and slidingly engage with the lower guide rail 15.
At the lower limit position of the door body 2 in the sliding direction Y, as shown in FIG. 2C, the upper protrusion 12 is separated from the upper guide rail 14 and the lower protrusion 13 is moved to the lower guide rail 15. As shown in FIG. 2B, the upper and lower projections 1213 are at upper and lower positions at a half position between the upper limit position and the lower limit position of the door body 2 as shown in FIG.
There is a correlation such that the lower guide rails 14 and 15 are slidably engaged.

That is, as shown in FIG.
Is stopped at the upper limit position, the upper protrusion 12 of the door body 2 is in sliding contact with the upper guide rail 14, and the pin 10 at the center of the door body 2 is fixedly mounted on the drive shaft 5. Connected to the inner lever 6. Therefore, the door main body 2 is supported on the left and right sides of the upper side and the central portion, and forms a lower opening through which air can flow inside the case 4.
In this state, when the inner lever 6 starts rotating in the direction of the arrow W1 by the drive shaft 5, immediately after the start, the difference between the radius of curvature of the pin 10 around the drive shaft 5 and the radius of curvature of the upper guide rail 14 is determined. The pin 1 of the door body 2
The upper side from 0 is slightly inclined backward from the upright state to the leeward side, and the lower side from the pin 10 of the door body 2 is slightly inclined from the rearward inclination to the leeward side. Due to the attitude control of the door body 2, the wind colliding with the upper side surface of the door body 2 is guided upward along the upper side surface and flows to the upper opening formed between the door body 2 and the case 4.

When the inner lever 6 rotated in the direction of the arrow W1 reaches a half position as shown in FIG. 2B, the lower projection 13 of the door body 2 is moved to the lower guide rail 1.
5, the upper protrusion 12 of the door main body 2 reaches the lower end opening while slidingly engaging with the upper guide rail 14. Therefore, the door main body 2 is supported on the left and right sides of the upper side, the central part, and the lower side, and forms a lower opening and an upper opening through which air can flow inside the case 4. In this state, both the upper side surface and the lower side surface of the door body 2 are tilted rearward with respect to the ventilation direction X due to the positional relationship between the openings of the upper and lower guide rails 14 and 15 and the pins 10 of the door body 2. State. Thereby, the wind colliding with the upper side of the door body 2 is guided upward along the upper side and flows into the upper opening, and the wind colliding with the lower side of the door body 2 is guided downward along the lower side. Then, it flows into a lower opening formed between the door body 2 and the case 4.

Subsequently, when the inner lever 6 rotates in the direction of the arrow W2 shown in FIG. 2B, the upper projection 12 of the door body 2 separates from the upper guide rail 14, and the lower projection 13 of the door body 2 moves downward. It moves downward while slidingly engaging the side guide rail 15. In the course of this movement, the upper side surface of the door main body 2 rotates slightly leeward about the pin 10 due to the positional relationship between the lower guide rail 15 and the pin 10 of the door main body 2, and the lower side surface of the door main body 2 It rotates slightly upwind around the pin 10.

Finally, as shown in FIG. 2C, the upper surface of the door body 2 is centered on the pin 10 due to the positional relationship between the lower guide rail 15 and the pin 10 of the door body 2 at the lower limit position. , And the lower surface of the door body 2 is further rotated to the leeward side with the pin 10 as a center, and is in an upright state. In this state, the lower protrusion 13 of the door body 2 is in sliding contact with the lower guide rail 15, and the pin 10 at the center of the door body 2 is fixedly mounted on the drive shaft 5. 6. Therefore, the door body 2 is supported on the left and right sides of the lower part and the central part, and forms an upper opening through which the air can flow inside the case 4.

In short, in the first embodiment, the inner lever 6 of the drive mechanism 3 is provided inside the case 4 so as to move about one end thereof, and the other end of the inner lever 6 is rotated by the door body 2. Since the door body 2 is freely connected, the door body 2 is slid by the drive mechanism 3 in a direction intersecting the ventilation direction X,
Space saving can be achieved as compared with the revolving door device. Further, the posture control mechanism 11 provided in the door body 2 and the inside of the case 4 controls the posture of the door body 2 at the time of sliding so that the wind pressure on the upper surface and the lower surface from the pin 10 becomes uniform. Thus, the operating force of the door body 2 that moves to the upper limit position shown in FIG. 2A and the lower limit position shown in FIG. 2C can be made constant. Moreover, this door body 2
Immediately after the start of sliding from the ascending limit position, the wind that collides with the upper side surface of the door body 2 is guided upward along the upper side surface and is formed between the door body 2 and the case 4 by the posture control. Immediately after the air flows into the upper opening, and immediately after the slide starts from the lower limit position, the wind colliding with the lower surface of the door body 2 is guided downward along the lower surface and the space between the door body 2 and the case 4 is formed. By flowing into the formed lower opening, the movement of the door body 2 from the upper limit position and the lower limit position can be reduced.

FIG. 3 schematically shows a side view in which the slide door device 1 is used as a two-layer flow type air mix door as a second embodiment. In the second embodiment, the slide door device 1 is disposed between the evaporator 16 and the heater core 17 inside the case 4. The drive shaft 5 of the slide door device 1 is provided near the upper front side of the heater core 17. When the door body 2 is stopped at the fully closed position as the ascending limit position as shown by the solid line, a lower opening is formed inside the case 4 so that all of the cool air that has passed through the evaporator 16 passes through the heater core 17. I do. or,
When the door main body 2 is stopped at the fully open position as the lower limit position as shown by the imaginary line, an upper opening is formed inside the case 4 such that all the cool air that has passed through the evaporator 16 bypasses the heater core 17. Further, in the position where the opening degree of the door body 2 is adjusted between the upper limit position and the lower limit position, a part of the cool air that has passed through the evaporator 16 bypasses the heater core 17 and the rest of the cool air is the heater core 17. Case 4 with the lower opening passing through
Can be formed inside.

FIG. 4 schematically shows a side view in which two slide door devices 1 are used as a three-layer flow type air mix door as a third embodiment. In the third embodiment, the heater core 17 is arranged in the middle of the inside of the case 4, and two slide door devices 1 are arranged between the heater core 17 and the evaporator 16 so as to be used for right and left and up and down independent temperature control. is there. The drive shaft 5 of each slide door device 1 is connected to the heater core 1
7 are provided near the upper and lower front sides. Then, the door body 2 of the one slide door device 1 stops at the fully closed position as the upper limit position as shown by the solid line, and the door body 2 of the other slide door device 1 becomes the lower limit position as shown by the solid line. In the form of stopping at the fully closed position, an intermediate opening is formed inside the case 4 so that all the cool air that has passed through the evaporator 16 passes through the heater core 17. or,
The door body 2 of one slide door device 1 stops at the fully open position as the lower limit position as shown by the phantom line, and the door body 2 of the other slide door device 1 moves to the upper limit position as the phantom line. When stopped at the fully open position, upper and lower openings are formed in the case 4 so that all of the cool air that has passed through the evaporator 16 bypasses the heater core 17. Further, at a position where the opening degree of the door main body 2 of each of the sliding door devices 1 is adjusted between the upper limit position and the lower limit position, a part of the cool air that has passed through the evaporator 16 bypasses the heater core 17. The upper and lower openings through which the remainder of the cold air passes through the heater core 17 can be formed inside the case 4.

5 and 6 show a fourth embodiment, FIG. 5 schematically shows a side surface of the sliding door device 21, and FIG. 6 shows an oblique appearance of the inner lever 23. As shown in FIG. 5, an inner lever 23 of the drive mechanism 22 is provided inside the case 4 so as to move about one end thereof as a center of rotation, and the other end of the inner lever 23 is located at the center of the door body 24 in the sliding direction. The door body 24 and the inner lever 23 are rotatably connected.
And a motion conversion mechanism 25 that linearly slides the door body 24 when sliding. The motion conversion mechanism 25 slides and engages the left and right side edges of the door main body 24 with linear guide rails 26 provided in the form of vertical grooves on the left and right side walls of the case 4, and the inner lever 23 is shown in FIG. Door body 2
Door side lever 27 rotatably connected to pin 4 by pin 10
And the other end side lever 28 fixedly mounted on the drive shaft 5, and the door side lever 27 and the other end side lever 2 are divided into two parts.
8 are engaged with each other so as to be extendable and contractable, and a projection 29 provided on the door side lever 27 of the inner lever 23 is slidably engaged with a guide groove 30 provided on the left and right side walls of the case 4 in parallel with the guide rail 26. . Then, the drive shaft 5 is rotated by the power of a motor 8 (not shown) through a link plate (not shown) and an outer lever, and the rotation of the drive shaft 5 causes the inner lever 23 to rotate with the drive shaft 5 as a center of rotation and the ventilation direction X. It operates in the intersecting vertical direction Y. Then, the protrusion 29 of the motion conversion mechanism 25 and the guide groove 31 cause the inner lever 23 to expand and contract, and
The door body 24 slides linearly in the vertical direction Y along the guide rail 26. That is, the sliding movement of the door main body 24 becomes a linear movement, which can further reduce the space.

In the fourth embodiment, the projection 29 and the guide groove 31 are provided on the motion conversion mechanism 25. However, the motion conversion mechanism 25 can be applied in a similar manner even if the projection 29 and the guide groove 31 are omitted. In this case, as the motion conversion mechanism 25, the inner lever 23 is divided into a door-side lever 27 and a drive-side lever 28, and the door-side lever 27 and the drive-side lever 28 are fitted with each other so as to be extendable and contractable. As the 24 slides linearly along the guide rail 26, the length of the inner lever 23 changes. Although not shown, the inner lever is connected to the door side lever 27 and the drive side lever 2.
It is also possible to constitute a motion conversion mechanism by forming a long groove that slides and engages with the pin 10 on the integrated inner lever without being divided into the inner lever 8 and the inner lever.

[0017]

According to the first aspect of the present invention, the other end of the inner lever, which is provided inside the case and moves about the center of rotation, is rotatably connected to the door main body. By sliding in the direction intersecting the direction, space saving can be achieved as compared with the revolving door device. Also, since the attitude control mechanism is provided in the door body and the inside of the case, the attitude of the door body is controlled by the attitude control mechanism so that the wind pressure received by the door body is uniform, and the door body is controlled. The operating force for sliding can be constant. According to the invention of claim 2, the other end side of the inner lever is rotatably connected to the door main body, and a motion conversion mechanism is provided for linearly sliding the door main body when sliding to the connecting portion or the inner lever. Therefore, the slide of the door body is linearly moved by the motion conversion mechanism, and the space can be further saved. According to the third aspect of the present invention, since the door body is formed to be bent to the leeward side from the rotatable connection portion to the other end of the inner lever, the wind colliding with the upper side surface of the door body immediately after the door body starts to slide. Is guided upward along the upper surface from the rotatable connection portion with respect to the other end of the inner lever, flows into the upper opening formed between the door body and the case, and the wind colliding with the door body is Is guided downward along the lower surface from the rotatable connecting portion to the other end of the door, and flows to the lower opening formed between the door main body and the case, so that the door main body can start moving lightly.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a first embodiment of the present invention.

FIG. 2 is a schematic view showing the operation of the first embodiment.

FIG. 3 is a side view showing a second embodiment of the present invention.

FIG. 4 is a side view showing a third embodiment of the present invention.

FIG. 5 is a side view showing a fourth embodiment of the present invention.

FIG. 6 is a perspective view showing an inner lever according to a fourth embodiment.

[Explanation of symbols]

 1, 21 Sliding door device 2, 24 Door body 3 Drive mechanism 5 Drive shaft 6, 23 Inner lever 10 Pin 11 Attitude control mechanism 12, 13, Projection 14, 15, Guide rail 25 Motion conversion mechanism 26 Guide rail 27 Door side lever 28 Drive Side lever 29 Projection 30 Guide groove

Claims (3)

[Claims] 1. A sliding door device of an air conditioner, wherein a door body is slid by a drive mechanism in a direction intersecting a ventilation direction in a case of the air conditioner. It is provided so as to move as a rotation center, the other end side of the inner lever is rotatably connected to the door body, and a door body attitude control mechanism when sliding between the door body and the inside of the case is provided. Air conditioner sliding device. 2. A sliding door device of an air conditioner in which a door body is slid by a drive mechanism in a direction intersecting a ventilation direction in a case of the air conditioner, wherein an inner lever of the drive mechanism has one end inside the case. The other end of the inner lever is rotatably connected to the door body, and a motion conversion mechanism is provided for linearly sliding the door body when sliding to the connecting portion or the inner lever. A slide device for an air conditioner, characterized in that: 3. The sliding door device for an air conditioner according to claim 1, wherein the door body is formed to be bent to the leeward side from a rotatable connecting portion to the other end of the inner lever.