KR101515958B1 - The apparatus for opening and shutting cover in the hothouse - Google Patents

Abstract

The present invention relates to a limit device for a vinyl door breaker of a vinyl house, and more specifically, a cover for sealing a gear box to prevent penetration of moisture including rainwater into a gear box of a vinyl house vinyl door switch, And the operation lever of the limit switch is also located in the lower direction of the gear box to provide ease of use so that the operator can easily operate the operation lever.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a limit switch for a vinyl door switch,

A cover for sealing a gear box to prevent moisture including rainwater from penetrating into a gear box of a vinyl house vinyl switch is vertically separated and coupled, and the operation lever of the limit switch is also disposed in the lower direction of the gear box And is capable of facilitating the operation of the operation lever by the operator.

Since crops and horticultural crops have different growth environments and their yields and quality are different, there is a need to adjust the growth environment accordingly.

For this purpose, greenhouses are used to grow crops by installing greenhouses. Greenhouses can be used to protect crops from outside climate, especially from temperature, sunshine and seasonal influences, and to create an optimal growth environment.

In order to control the room temperature, the vinyl house is provided with a ventilation window such as a side or a ceiling, and a ventilating vinyl cover is disposed on the ventilating window so that it can be opened and closed when necessary.

The ventilating vinyl cover is installed so as to fix the upper end to the outside of the ceiling of the vinyl house and to extend the lower end of the side to the lower side so as to cover the side window of the vinyl house or the ventilation window such as the ceiling.

The vinyl house switch for vinyl house is provided to easily open and close the vinyl of the vinyl house so that the vinyl house complex becomes larger and larger and can easily control humidity and ventilation.

2. Description of the Related Art Generally, a vinyl door switch of a vinyl house is implemented in various ways for opening and closing a ceiling or an upright vinyl of a vinyl house using a DC motor, and a limit switch for controlling the motor driving is controlled by using the opening / As a limit device.

Conventional switchgears are designed to open and close a ceiling or side window by rotating a rotating rod that rotates the ceiling or side vinyl by decelerating the rotating force of the DC motor, and by providing a limit device for decelerating the rotational force of the rotating rod to intermittently limit the limit switch When the rotary bar is rotated to a certain extent, the limit switch is interrupted to stop the rotation of the motor.

In order to change the open / close position of the ceiling or side window, such a limit device for a vinyl switch must change the position of the limit switch or change the position of the stopper for interrupting the limit switch.

However, in the conventional limit switch for a vinyl switch, the limit switch structure of the limit switch is complicated and it is difficult to precisely control the position.

Further, in the conventional limit device for a vinyl switch, a gear box is formed on one side of the switch, an operation lever for engaging the cover with the front side of the gear box and then operating the limit switch is horizontally engaged, There is a problem that a limit switch which is corroded or electrically operated is short-circuited to cause a trouble.

Further, in the conventional limit switch for a vinyl switch, the operation lever is horizontally formed on the front surface of the gear box in a state where it is installed at a constant height from the ground, and it is difficult for the operator to operate the limit switch.

Further, in a state in which the interval between the vinyl houses is narrow, a space for operating the operation lever of the limit switch is narrow, which is inconvenient for the operator.

Korean Utility Model Application No. 2019960041912 "Limit adjustment device of plastic house switch"

SUMMARY OF THE INVENTION In order to solve the above problems, the present invention has been made to solve the above problems and to provide a limit switch for a vinyl switch, So that the operator can easily operate the position of the operating lever by being positioned in the lower direction of the gear box.

In order to solve the above-mentioned problems, the vinyl switch of the present invention includes a motor mounting portion in which a motor is mounted, a gear box having a front opening formed at one side of the motor mounting portion, and a worm gear tooth is positioned inside the gear box, A helical gear is formed at the center so as to be meshed with the worm gear of the worm gear, and a bevel gear tooth is formed at the upper end of the worm gear so as to be engaged with the worm gear of the worm gear A vertical gear portion that is rotated and formed to be rotated at a right angle with the bevel gear teeth of the vertical gear portion so that the bevel gear teeth and the pinion gear teeth are sequentially formed and rotated; A spring is fitted on one end of the rear face, A pair of spur gears formed integrally with the stopper so as to interfere with the pinion gear teeth and the limit switch so as to be engaged with the pinion gear teeth of the spur gears, and a limit switch A limit device for a vinyl switch of a vinyl house is provided.

As described above, in the limiter for a vinyl door switch of the present invention, when a cover is fitted in a state in which a vertical surface is formed in an opening of a gear box, moisture is prevented from penetrating into the gear box, And has an effect of protecting the electrically operated limit switch from failing.

Further, unlike the limit apparatus for a vinyl door switch of a conventional vinyl house, the adjustment interval and interference of the limit switch can be canceled at the lower portion of the gear box, and the operation lever can be pulled out in the left- The range can be easily adjusted.

In addition, the vinyl house limit switch for a vinyl house has an effect that the operation lever can be easily operated by the operator because the operation lever for adjusting the interval of the limit switch in the downward direction is located in the downward direction.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is an exploded perspective view showing a limit device for a vinyl switch of a vinyl house of the present invention. FIG.
FIG. 2A is an exploded perspective view showing a limit device for a vinyl switch of a vinyl house of the present invention and a vinyl switch. FIG.
FIG. 2B is a perspective view showing a limit device for a vinyl switch of a vinyl house of the present invention. FIG.
3 is a sectional view taken along the line A - A of the limit device for a vinyl switch of a vinyl house of the present invention.
4 is a B-B cross-sectional view of a limit device for a vinyl switch of a vinyl house of the present invention.
5 is a side view schematically showing a state of engagement of a gear portion in a limit device for a vinyl switch of a vinyl house of the present invention.
6 is a plan view schematically showing a state of engagement of a gear portion in a limit device for a vinyl switch of a vinyl house of the present invention.
7 is a side view showing an operating state of an operation lever in a limit device for a vinyl switch of a vinyl house of the present invention.

In order to achieve the above objects and effects, the present invention will be described in detail with reference to the accompanying drawings.

3 is a cross-sectional view taken along the line A - A of the limit device for a vinyl switch of a vinyl house of the present invention, and FIG. 4 is a cross sectional view taken along the line A - A of the plastic house of the vinyl house of the present invention. B-B sectional view of the limit device for the switchgear.

4 is a B-B cross-sectional view of a limit device for a vinyl switch of a vinyl house of the present invention.

The vinyl door switch for a vinyl house according to the present invention is equipped with a limit switch for a vinyl door switch in a gear box so that a vinyl located in a ceiling or a side window can be opened and closed when the motor rotates in the forward and reverse directions.

To this end, the vinyl switch includes a motor mounting portion on which a motor is mounted to wind the vinyl, and a gear box having a front opening formed on one side of the motor mounting portion. The limit switch is inserted through the opening in the gear box A limit switch insertion space portion is provided.

A motor is mounted on the motor mounting portion. The motor shaft is rotatably engaged with a pinion gear mounted on the lower end of the worm gear, which is provided in the gear box, although the gear shaft is shown in the drawing.

Therefore, the worm gear is inserted into the gear box in parallel with the drive shaft of the motor.

The worm gear includes a pinion gear coupled to a reduction gear provided at a drive shaft of the motor and having a helical type worm gear at an end of the worm gear, To this end, a worm gear rotation hole through which the worm gear is inserted is formed in the horizontal fixing plate.

Further, the worm gear and the bevel gear are engaged and rotated, and the bevel gear is constituted by the vertical gear portion and the horizontal gear portion.

Therefore, the vertical gear portion of the bevel gear is disposed parallel to the worm gear so as to be engaged with the worm gear on the bottom surface of the gear box, the lower portion thereof is fitted to the horizontal fixing plate and the helical gear teeth are formed at the center thereof, And the bevel gear teeth are integrally formed on the helical gear teeth and engaged with the bevel gear teeth of the horizontal gear portion.

The first and second vertical fixing plates are attached to the inside of the gear box so as to face the right and left ends of the horizontal fixing plate.

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In addition, a connection plate is formed between the first and second vertical fixing plates, a connection pin is formed on the rear surface so that the connection plate is coupled to the first vertical fixing plate, and a joint block is formed in the lower part of the front surface to mount the limit switch And a spur gear rotating hole is integrally formed on both left and right sides of the horizontal gear rotating hole.
The second vertical fixing plate is provided with a horizontal gear rotation hole, and the left and right ends of the horizontal gear rotation hole are respectively formed with spur gear rotation holes. The horizontal gear rotation hole and the spur gear rotation hole Is configured to stably install the horizontal gear portion and the spur gear and is formed to correspond to the horizontal gear rotating hole and the spur gear rotating hole formed in the connecting plate, respectively.

A bevel gear is formed at one end of the horizontal plate so that the horizontal gear portion constituting the bevel gear is positioned at right angles to the vertical gear portion and rotates in engagement with the bevel gear teeth of the vertical gear portion, The pinion gear teeth are formed at the rear of the teeth to engage with the spur gear and the other end is inserted into the horizontal gear turning hole formed in the second vertical fixing plate.

It is preferable that the angle of the helical gear of the vertical gear portion is 63.45 degrees and the angle of the worm gear tooth of the worm gear is 26.55 degrees.

A pair of spur gears are disposed parallel to the pair of spur gears with a horizontal gear portion interposed between the connecting plate and the second vertical fixed plate and the spur gear is formed with a pair of spur gears having pinion gear teeth formed on the outer circumferential surface thereof, Both ends of the spur gear are engaged with the spur gear rotation hole formed in the second vertical fixing plate, the horizontal gear portion and the pinion gear teeth of the spur gear are engaged and rotated, and a stopper interfering with the limit switch is formed integrally with the gear shaft of the spur gear.

Further, a cover formed with a lever-fitting hole is inserted into the lower portion of the gear box so that one end of the lever can be inserted.

The operation lever is inserted into the lever insertion hole of the cover, and one end of the spur gear is inserted into the spur gear rotating hole of the second vertical fixing plate to adjust the rotation distance of the spur gear to interfere with the limit switch.

On the other hand, in the limit device for a vinyl switch according to the present invention, when a gear box provided in a vinyl switch is vertically installed, a cover is assembled in a state in which the opening of the gear box forms a vertical surface so that moisture including rainwater penetrates into the gear box And the position of the operation lever is not located at the front of the gear box but located at the lower portion, so that it is convenient for the operator to operate.

Therefore, in order to operate the operation lever at the lower portion of the cover, the limit device for a vinyl switch according to the present invention has a structure in which the worm gear that rotates while engaging with the drive shaft of the motor is rotated by engaging with the bevel gear.

FIG. 2A is an exploded perspective view showing a limit device and a vinyl switch for a vinyl switch of a vinyl house of the present invention, and FIG. 2B is an assembled perspective view showing a limit device for a vinyl switch of a vinyl house of the present invention.

When the horizontal fixing plate is fitted to the lower portion of the worm gear and inserted into the gear box, the lower portion of the worm gear penetrates through the bottom plate of the gear box, And is engaged with a reduction gear coupled to the reduction gear.

When the limit switch for the vinyl switch is inserted into the gear box, the cover is tightly attached to the opening formed in the front face of the gear box and tightened with screws.

Then, when the operation lever is located under the cover coupled to the gear box, the stopper formed in the spur gear interferes with the limit switch according to the rotation range.

FIG. 5 is a side view schematically showing the engagement state of gear portions in a limiter for a vinyl door switch of a vinyl house of the present invention, and FIG. 6 is a schematic view showing a state of engagement of gear portions in a limit device for a vinyl door switch of a vinyl house of the present invention FIG.

Although the reduction gear for reducing the rotational power of the motor and the pinion gear of the worm gear are engaged with each other when the worm gear is rotated as shown in the figure, The vertical gear portion rotates due to the engagement of the helical gear teeth of the vertical gear portion among the bevel gears formed on the upper portion.

The upper portion of the vertical gear portion is meshed with the bevel gear teeth of the horizontal gear portion constituting the bevel gear having the bevel gear teeth, and the horizontal gear portion rotates together.

Then, a pair of spur gears is disposed on the front and back surfaces of the horizontal gear portion, and the pinion gear teeth formed on the horizontal gear portion and the pinion gear teeth formed on the spur gear are engaged and rotated.

On the other hand, one of the pair of spur gears detects the forward rotation of the motor, and the other detects rotation of the motor in the reverse direction to wind or unfold the vinyl on the side or ceiling of the vinyl house.

Accordingly, the ceiling or side window is opened or closed by rotating the rotating rod connected to the drive shaft of the motor so as to decelerate the rotating force of the DC motor to wind the ceiling or the side window vinyl, and the rotation force of the rotating rod is decelerated again to limit the limit switch The limit switch is interrupted to stop the rotation of the motor when the rotary bar is rotated to some extent.

7 is a side view showing the operation state of the operation lever in the limit device for a vinyl switch of a vinyl house of the present invention.

The limit device for a vinyl switch according to the present invention is characterized in that a spring is inserted between the connecting plate and the pinion gear teeth of the spur gear so as to easily adjust the rotation range of the stopper formed in the spur gear according to the winding range of the vinyl, If the spur gears move in the direction of the connecting plate, the interference of the limit switch is canceled, the position of the stopper is adjusted easily from the outside, and when the operation lever is released from pressure, the spring returns to its original position.

1: vinyl switch 2: bevel gear
3: vertical gear portion 4: horizontal gear portion
5: first vertical fixing plate 6: second vertical fixing plate
7: Lever insertion hole 8: Connection plate
9: Operation lever 10: Cover
11: Limit switch insertion space part 12: Motor mounting part
13: Pinion gear 14: Worm gear
15: Coupling block 16: Worm gear rotation
17: Limit switch 18: Spur gear
19: stopper 20: spring
21: Bevel gear tooth 22: Pinion gear
23: Horizontal gear turnaround 24: Spur gear turnaround
25: Helical gear teeth 26: Horizontal fixing plate
100: Limit device for vinyl switch

Claims (4)

A vinyl switch for opening and closing the vinyl window of a vinyl house or a ceiling is provided with a motor mounting portion on which a motor is mounted and a gear box having a front opening formed on one side of the motor mounting portion;
A pinion gear is coupled to the gear box so that the pinion gear is engaged with the reduction gear provided on the motor drive shaft and a horizontal fixing plate is inserted into the gear box to project the worm gear teeth, And a worm gear;
A bevel gear is integrally formed on the upper portion of the helical gear to form a bevel gear of the horizontal gear portion, A vertical gear portion rotated by engagement with the teeth;
First and second vertical fixing plates mounted on the left and right ends of the horizontal fixing plate so as to face each other;
A connection pin is protruded on the rear surface of the first and second vertical fixing plates so as to be coupled to the first vertical fixing plate. A limit block is formed in the lower part of the front surface to mount a limit switch, A horizontal gear rotating hole in which one side of the horizontal gear portion is fitted and engaged; and a connecting plate having spur gear rotating holes integrally formed on both sides of the horizontal gear rotating hole;
The bevel gear teeth are formed at one end of the connecting plate and coupled with the bevel gear teeth of the vertical gear unit to rotate. The pinion gear teeth are formed at the rear of the bevel gear teeth of the horizontal gear unit to engage with the spur gear, A horizontal gear portion inserted into the horizontal gear rotating hole formed in the vertical fixing plate;
A pair of spur gears having pinion gear teeth formed on the outer circumferential surface thereof are formed in parallel between the connecting plate and the second vertical fixing plate with a horizontal gear portion interposed therebetween and the two ends of the spur gear formed on the connecting plate and the second vertical fixing plate are fitted A spur gear having a stopper interfering with a limit switch formed integrally with a gear shaft of the spur gear, the spur gear being rotatably engaged with the pinion gear of the spur gear;
A cover having a lever insertion hole for closing the gear box and inserting an end of the operation lever at a lower portion thereof;
And an operation lever which is inserted into the lever insertion hole of the cover and is engaged with one end of the spur gear rotating hole of the second vertical fixing plate to adjust the rotation distance of the spur gear to interfere with the limit switch. Limit device.
The method according to claim 1,
Wherein the spur gear moves horizontally left and right when the operation lever is pressed by the elastic force of the spring, so that the stopper releases the interference of the limit switch.
The method according to claim 1,
Wherein the cover is fitted in the opening of the gear box in a vertical direction so that the operation lever is positioned below the gear box.
The method according to claim 1,
Wherein an angle of the helical gear of the vertical gear is 63.45 DEG and an angle of the worm gear of the worm gear is 26.55 DEG.

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