JPH0659746U - Swinging device for air conditioner cooling air delivery cylinder - Google Patents

Abstract

(57) [Abstract] [Purpose] Prevents loss of air volume sent from the air delivery tube,
The drive device is not damaged even if it touches the rotating air delivery cylinder and obstructs the rotation. [Structure] A partition plate 2 is provided on the upper part of the casing 1 and the discharge part 4a of the blower is fitted and inserted into the casing. The base portion 7a of the air delivery cylinder 7 is rotatably fitted into the top plate 5 of No. 1, and the base portion 7a is rotatably connected to the discharge portion 4a, and the drive device provided on the partition plate 2 and the air delivery The belt was hooked over the belt hooking groove 7b provided on the cylinder. [Effect] Since there are no obstacles in the air flow passage, there is no loss of air volume. Also, even if the rotation of the air delivery cylinder is mistakenly prevented, the belt does not slip and the drive device is not damaged.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a swinging device for an air conditioner cooling air delivery tube.

[0002]

[Prior art]

 Some ducts are equipped with a part of a drive device that is connected to the tip of the duct and that swings an air delivery cylinder that is exposed outside the casing so that it can swing freely. The air delivery cylinder is swung by a crank rod connected to the shaft, and the crank rod is exposed in the duct.

[0003]

[Problems to be solved by the device]

 If an obstacle such as a crank rod exists in the duct, the resistance generated by the obstacle causes a loss in the amount of air flowing in the duct.

Further, when an object or a human body collides with the air delivery cylinder exposed outside the casing, the drive device may be damaged due to its rigidity.

[0005]

[Means for Solving the Problems]

 A partition plate is laid horizontally on the upper part of the casing, and a through hole is provided in the partition plate for inserting and fixing the discharge part of the blower or a duct connected to the discharge part, and the ceiling of the casing is opposed to the through hole. A through hole is provided in the plate, and the base of the air delivery tube that is rotatably connected to the discharge part or the duct is rotatably fitted into the through hole provided in the top plate of the casing and driven on the partition plate. A driving pulley connected to the driving motor by a crank motor and a crank motor is provided, and a belt hooking groove is provided at the base of the air delivery cylinder to hang the belt over the driving pulley. A connecting plate is provided on the drive pulley for converting the connecting point between the drive pulley and the crank rod toward the circumference of the drive pulley or toward the center, and both ends of the belt are driven. By installing a belt end clamp that tightens and fastens the belt at the edge of the pulley. Preventing loss of air volume by not installing obstacles in the air flow passage inside the discharge part of the blower or the duct connected to the discharge part, and by mistake in the air delivery tube protruding outside the casing. The purpose is to prevent damage to the drive unit due to the belt slipping even if an object or a human body collides.

[0006]

[Action]

 When power is transmitted from the drive motor to the driving pulley via the crank and crank rod, and the connection point between the crank rod and the connecting plate provided on the driving pulley is changed, the air delivery cylinder swings. The angle is converted, and the loosened belt is tightened by the belt end clamp.

[0007]

【Example】

 A partition plate 2 is horizontally installed on the upper part of the casing 1, and a through hole 3 is formed near the end of the partition plate 2.

A blower 4 is installed in the casing 1, and a discharge part 4a or a duct (not shown) connected to the discharge part 4a is inserted into the through hole 3 and the end of the discharge part 4a is a flange 4b. Further, a step portion 4c is formed on the inner circumference of the flange, and the flange 4b is fixed to the edge portion of the through hole 3.

A through hole 6 is formed in a casing top plate 5 so as to face the through hole 3 and a base portion 7a of an elbow-shaped air delivery tube 7 is rotatably fitted into the top plate through hole 6. And the lower end thereof is rotatably fitted to the step 4c provided on the flange 4b so that the air delivery tube 7 is swingably connected to the discharge part 4a of the blower or the duct connected to the discharge part. The stepped ring 8 is fixed around the edge of the through hole 6 of the top plate, and the contact surface between the stepped ring 8 and the flange 4b and the air delivery tube 7 is covered with a gland packing, a mechanical seal or the like. A dynamic seal 9 is loaded, and a belt is provided on the outer circumference of the base portion 7a of the air delivery cylinder to form a hooking groove 7b.

A drive motor 10 is installed near the other end of the partition plate 2, and a crank 11 is pivotally mounted at an eccentric position of a rotary plate 10a fixed to the drive shaft, and a crank rod 12 is attached to the crank 11. Pivot.

At the intermediate position between the driving motor 10 and the air delivery cylinder 7, a drive pulley having a window shape on the partition plate 2 or a shape in which a pair of fan-shaped plate notches are connected to each other (not shown). 13 is installed, and the round belt 14 is hooked over the drive pulley 13 and the belt hooking groove 7b of the air delivery cylinder.

The round belt 14 is open at both ends, and a pair of belts having both ends at the edges of the driving pulley 13 are hung in a tensioned state by a clamp 15.

The belt clamp 15 bends a plate having elasticity into a U-shape, clamps the round belt 14, and then fastens the screw 16 to the edge of the driving pulley 13 to strongly press the round belt end. When the round belt 14 is loosened, the round belt 14 is appropriately tensioned and then clamped.

The tip of the crank rod 12 connected to the driving motor is connected to a connecting plate 17 installed in the centripetal direction of the driving pulley 13, and is located near the circumference of the driving pulley 13. When the point A is the connecting point, the air delivery cylinder 7 swings 90 degrees, and when the point B near the center is the connecting point, the air swinging movement is 60 degrees.

That is, cold air or warm air is blown from the air delivery tube 7 in the range of 90 to 60 degrees.

[0016]

[Effect of device]

 Since there is no obstacle that obstructs the flow of air in the air flow passage between the air discharge tube 4 and the discharge section 4a of the blower or the duct connected to the discharge section, there is no loss of air volume.

Further, even if an object or a person touches the air delivery cylinder 7 and forcibly stops its swinging motion, the round belt 14 slips on the belt hooking groove 7b, so that the drive device is not damaged.

Further, the air delivery cylinder 7 exposed to the outside of the casing 1 can be easily attached and detached, and if the air delivery cylinder 7 is housed in the casing 1, it can be compactly stored in a warehouse or the like without being bulky. .

[Brief description of drawings]

FIG. 1 is a vertical sectional view showing an embodiment of the present invention.

FIG. 2 is an enlarged bottom view showing a driving unit of the present invention.

[Explanation of Codes] 1 casing 2 partition plate 3 6 through hole 4 blower 4a discharge part 5 top plate 7 air delivery cylinder 7a base 7b belt hooking groove 10 drive motor 11 crank 12 crank rod 13 drive pump Ri 14 round belt

Claims (1)

[Scope of utility model registration request] 1. A partition plate is horizontally mounted on the upper part of the casing,
The partition plate is provided with a through hole through which the discharge part of the blower or a duct connected to the discharge part is inserted and fixed, and a through hole is provided on the top plate of the casing so as to face the through hole and the base of the air delivery tube is provided. Driven by being rotatably fitted in the through hole of the top plate and rotatably connected to the discharge part or duct, a drive device is installed on the partition plate, and a belt locking groove is provided on the base part of the air delivery cylinder. A swinging device for an air conditioner cooling air delivery cylinder that is belted to the device.