KR100943890B1 - Apparatus for converting auto-manual modes of lift sliding-typed windows and doors - Google Patents

Abstract

Disclosed is an automatic and manual switching device of a lift sliding window that can be lifted by switching the lift sliding window automatically and manually. The automatic and manual switching device of the lift sliding window is divided into an upper part and a lower area of the window so that the operating rod is provided around the handle coupling part installed in the middle part of the window, and the upper rod connected to the electric actuator and the lift member, respectively. And a first actuating rack and a second actuating rack, which are connected to the lower rod, the upper rod and the lower rod, respectively, to be movable up and down in the handle engaging portion, and inside the handle engaging portion to rotate in engagement with the first actuating rack. Optionally coupled to the second rotary gear and the second gear is provided with a first rotary gear and a second rotary gear which is engaged with the second operating rack and the first rotary gear is elastically connected and separated by an external force. Handles to disconnect the first rotary gear and rotate the second rotary gear to operate the second operating rack and the lower rod. It is made.

According to the automatic and manual switching device of the lift sliding window configured as described above, the window can be automatically lifted by the electric actuator, and the window can be manually lifted through the handle in the event of a failure of the electric actuator. In addition, the size of the electric actuator can be reduced by the automatic and manual switching structure according to the lifting of the windows.

Lift, windows, automatic, manual, switchable

Description

{APPARATUS FOR CONVERTING AUTO-MANUAL MODES OF LIFT SLIDING-TYPED WINDOWS AND DOORS}

The present invention relates to an automatic and manual switching device for a lift sliding window, and in particular, when the window cannot be automatically lifted due to a failure of the electric actuator provided in the lift sliding window, it is possible to lift by switching manually through the handle. In addition, the present invention relates to an automatic and manual switching device of a lift sliding window that can reduce the size of an electric actuator.

In general, windows and doors are used as a general name for windows and doors in a building, and a frame on which the windows are installed is called a window frame. Among these windows, the swing doors, which are mainly used for veranda doors and other windows, are provided with roller-mounted windows in window frames with guide rails, and can be pushed through the guide rails to open and close windows, soundproofing and insulation. There is a lift type sliding window further improved.

In particular, lift sliding windows are quiet and smooth when the handle is turned to open the windows, and the window is lifted a certain distance from the rails, and when closed, the lift sliding windows close to the window to ensure airtightness, insulation, sound insulation and water tightness. The formed windows are used for relatively large windows such as living room partitions and balcony windows.

As shown in FIG. 6, the conventional lift sliding window is used to operate the operation rod 106 and the operation rod 106 which are installed to be moved up and down by the electric actuator 104 provided in the window 100. According to the lift member 110 for lifting the window.

The rod housing 102 is vertically installed inside one side of the window 100, and an electric actuator 104 for automatically lifting the window 100 is provided inside the rod housing 102.

The actuating rod 106 is provided inside the rod housing 102 to connect the electric actuator 104 and the upper end thereof. That is, the upper end of the electric actuator 104 and the operating rod 106 is connected via a screw shaft 104A formed on the electric actuator 104, so that the operating rod 106 is operated in accordance with the electric actuator 104 The screw shaft 104A rotates to move up and down within the rod housing 102.

The lift member 110 is connected to the lower end of the operating rod 106 by a connecting link 112 and mounted on the rail of the window frame 120, the first slider 114, the first slider 114 and the connecting rod A second slider 116 connected to the rear side via a 115, and an elevating block installed at the lower end of the window 100 so as to be mounted on the first slider 114 and the second slider 116 so as to be elevated. 118).

Connection link 112 is composed of a plurality of first links (112A) and the second link (112B), the first link (112A) is hinged to the window (100) is connected to the lower end of the operating rod 106 The second link 112B is connected to the first link 112A and the first slider 114 to vertically move the operating rod 106 by the electric actuator 104 to the first slider 114 and the second slider ( 116) to the horizontal movement.
That is, the connecting link 112 is a first push the first slider 114 by the connection of the first link (112A) and the second link (112B) when the operating rod 106 is moved up and down, the first link By pushing or pulling the second slider 116 connected to the rear side via the slider 114 and the connecting rod 115, the vertical movement of the operating rod 106 is converted into the horizontal movement of the first and second sliders 114 and 116. Will be done.
The first slider 114 and the second slider 116 are provided with rollers 114A and 116B which rotate on the rail of the window frame 120, respectively.
The lifting block 118 has guide holes 118A formed to be inclined on the side surfaces, and the guide shafts 118A have guide shafts 114B and 116B formed on the first slider 114 and the second slider 116. It is inserted and mounted.

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When the sliding sliding window configured as described above operates the electric actuator 104, the screw shaft 114A is rotated and the actuating rod 106 moves up and down, and the connecting link 112 is vertical to the actuating rod 106. The motion is converted to the horizontal motion of the first slider 114 and the second slider 116 to push or pull the first slider 114 and the second slider 116 on the rail, thereby moving the first slider 114 and the first slider 114. The elevating block 118 moves the first slider 114 and the second slider 116 by the operation of raising or lowering the inclined guide hole 118A by the guide shafts 114B and 116B formed in the second slider 116. As lifted from the window 100 is to be lifted from the rail or in close contact with the window frame 120.

However, since the lift sliding window according to the prior art adopts a structure in which the window is automatically lifted by operating the electric actuator, the window cannot be lifted in the event of a failure of the electric actuator, and thus, before repairing the broken electric actuator. There was a problem that can not open the windows smoothly.

In addition, since the lift sliding windows are mainly used for large windows, an electric actuator that requires a relatively large force is required to lift such a large windows, and thus the size of the electric actuator is increased so that it is difficult to install the windows. there was.

The present invention has been made in order to solve the problems of the prior art as described above, the object of the present invention is to lift the sliding sliding window so that the lifting can be switched manually through the handle when the lift sliding window can not be lifted automatically To provide automatic and manual switching devices.

In addition, another object of the present invention is to provide an automatic and manual switching device of a lift sliding window to reduce the size of the electric actuator provided in the lift sliding window.

In order to solve the above technical problem, the present invention,

A lift sliding window having an operating rod installed to be movable up and down by an electric actuator provided inside the window and a lift member for lifting the window from the rail of the window frame according to the operation of the operating rod.

An upper rod and a lower rod which are formed to be divided into upper and lower regions of the window so as to have the operating rods centered on a handle coupling part installed at the middle of the window and connected to the electric actuator and the lift member, respectively;

A first actuating rack and a second actuating rack connected to the upper rod and the lower rod, respectively, to be installed to be movable up and down in the handle coupling part;

A first rotary gear installed inside the handle coupling portion to rotate in engagement with the first operating rack and a second rotated in engagement with the second operating rack and connected to the first rotating gear by elasticity and separated by an external force; Switching gear unit having a rotary gear; And

And a handle selectively coupled to the second rotary gear to disconnect the first rotary gear and rotate the second rotary gear to operate the second operating rack and the lower rod.

When the electric actuator is not faulted, the upper rod and the lower rod are connected by the connection of the first rotary gear and the second rotary gear so that the window is automatically lifted, and when the electric actuator is broken, the first rotary gear and the first rotary gear The second rotary gear is separated and the second rotary gear is rotated so that the window is manually lifted.

In addition, a cutout opening is formed at one side in the middle portion of the lower rod in which the handle coupling portion is positioned, a cutout portion accommodated in the cutout groove is formed at a lower end of the upper rod so that the upper rod and the lower rod are formed inside the window. It is arranged to overlap parallel to each other.

In addition, the handle coupling portion is provided with an elastic member for elastically supporting the first rotary gear so that the first rotary gear and the second rotary gear are connected to each other.

In addition, a washer is further provided between the first rotary gear and the elastic member, whereby the elastic force of the elastic member acts uniformly on the first rotary gear.

In addition, the handle coupling portion is formed with a guide groove and a guide protrusion for guiding the vertical movement of the first operation rack and the second operation rack, respectively, the first operation rack and the second operation rack and the guide groove and Guide protrusions and guide grooves guided by the guide protrusions are respectively formed.

In addition, the gear ratio of the first rotation gear and the second rotation gear of the switch gear portion is 2: 1.

In addition, the first rotary gear is formed so that the connecting shaft is protruding, the second rotary gear is formed with a connection hole for the connecting shaft is fitted, the first rotary gear and the second rotary gear is connected to each other, When the fitting shaft is formed to be coupled to the connecting hole to the handle is coupled to the second rotary gear, the first rotary gear is to overcome the elasticity of the elastic member by the fitting shaft and is separated from the second rotary gear.

The connecting shaft, the connecting hole and the fitting axis are formed in a polygonal cross-sectional structure.

The automatic and manual switching device of the lift sliding window according to the present invention can be automatically lifted by the electric actuator and by the automatic and manual switching structure which can lift the window manually through the handle when the electric actuator breaks down. It has a useful effect that the convenience of use can be improved.

In addition, the size of the electric actuator can be reduced by the automatic and manual switching structure according to the lifting of the window, and there is an advantage that can be easily installed in the window through the miniaturization of the electric actuator.

Hereinafter, with reference to the accompanying drawings for the automatic and manual switching device of the lift sliding window according to a preferred embodiment of the present invention will be described in detail.

Hereinafter, the same components as those of the conventional configuration among the components provided in the lift sliding window will be described with the same reference numerals.

Automatic and manual switching device of the lift sliding window according to the present invention, as shown in Figures 1 to 3, the operation is installed to be moved up and down by the electric actuator 104 provided inside the window 100 Handle coupling portion 20, handle coupling is provided with a rod 10, the first operating rack 22 and the second operating rack 24 connected to the operating rod 10 is installed in the middle of the window (100) Switching gear unit 30 provided with a first rotary gear 32 and a second rotary gear 34 that are engaged with and separated from each other by engaging the first operating rack 22 and the second operating rack 24 of the unit 20, respectively. ), And a handle 40 for disconnecting the connection between the first rotary gear 32 and the second rotary gear 34 of the switching gear unit 30.

To describe this in more detail, a plurality of guide walls 100A for guiding the vertical movement of the operating rod 10 are formed at predetermined intervals so as to correspond to each other on one side surface of the window 100, and guide walls ( On the opposite surface of the 100A), the guide jaw 100B for preventing the lifting phenomenon of the operating rod 10 moved up and down in the longitudinal direction of the window 100 is formed to protrude. Therefore, the operation rod 10 can be stably moved up and down by the guide wall 100A and the guide jaw 100B when the electric actuator 104 is operated. At this time, the electric actuator 104 is provided on the upper surface of one side of the window (100).

The operating rod 10 is dividedly formed to be provided in the upper region and the lower region of the window 100 around the handle coupling portion 20 so that the upper rod 12 is connected to the electric actuator 104, and the lower rod ( 14 is connected to the lift member 110.

In addition, the middle portion of the lower rod 14 in which the handle coupling portion 20 is positioned is formed with a cutting groove 14A that opens to one side, and the lower portion of the upper rod 12 is formed with a cutting groove of the lower rod 14. A cutout portion 12A having the same width as 14A is formed so that the cutout portion 12A is accommodated in the cutout groove 14A, so that the upper rod 12 and the lower rod 14 are placed inside the window 100. It is arrange | positioned so that it may overlap with each other. At this time, the boundary between the upper rod 12 and the cutout 12A is bent so that the upper rod 12 is connected to the electric actuator 104 by being overlapped in parallel with the lower rod 14 so as to have a predetermined interval.

In addition, the upper end of the upper rod 12 is connected to the screw shaft 104A formed on the electric actuator 104, so that the upper rod 12 is connected to the screw shaft 104A rotated in accordance with the operation of the electric actuator 104 As a result, the window 100 moves up and down.

In addition, the lower end of the lower rod 14 is connected to the lift member 110, the lift member 110 is connected to the lower end of the lower rod 14 by a connecting link 112 to the rail of the window frame 120 A first slider 114 to be mounted, a second slider 116 connected to the rear via the first slider 114 and the connecting rod 115, and a first slider 114 and a second slider 116. It is composed of a lifting block 118 is installed on the lower end of the window 100 so as to be mounted on each lift.
The connecting link 112 includes a plurality of first links 112A and second links 112B, and the first link 112A is hinged to the window 100 to be connected to the lower end of the lower rod 14. The second link 112B is connected to the first link 112A and the first slider 114 so that the vertical movement of the upper rod 12 and the lower rod 14 by the electric actuator 104 is performed by the first slider 114. ) And the second slider 116 to the horizontal movement.
That is, the connection link 112 is the first slider 114 by the connection of the first link (112A) and the second link (112B) when the operating rod 10 is moved up and down as mentioned in the prior art. By pushing or pulling the first slider 114 and the second slider 116 connected to the rear via the connecting rod 115, the vertical movement of the operating rod 10 by the first slider 114 and the second slider ( 114, 116) will be converted to the horizontal movement.
The first slider 114 and the second slider 116 are provided with rollers 114A and 116A which rotate on the rail of the window frame 120, respectively.
The lifting block 118 has guide holes 118A formed to be inclined on the side surfaces, and the guide shafts 118A have guide shafts 114B and 116B formed on the first slider 114 and the second slider 116. It is inserted and mounted.
The lifting block 118 is, as mentioned in the prior art, by the operation of pushing up or down the guide shaft 114B, 116B inclined guide slot 118A during the horizontal movement of the first and second sliders (114, 116). The first and second sliders 114 and 116 move up and down.
The handle coupling portion 20 is formed so that the side plates 20B are coupled to each other so that the space portions 21 are formed on both left and right sides of the diaphragm 20A, and are installed in the middle portion of the window 100. At this time, the coupling structure of the handle coupling portion 20 and the window 100 is one or more fitting protrusions 20C formed on the side plate 20B and the fitting grooves formed to correspond to the fitting protrusion 20C on the window 100 ( By 100C).

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In addition, the first operating rack 22 and the second operating rack 24 connected to the upper rod 12 and the lower rod 14 are respectively installed in the space 21 so as to be movable upward and downward.

At this time, the connection structure of the first operating rack 22 and the upper rod 12 is a block on the cutout 12A of the one or more locking protrusions 23 and the upper rod 12 formed on the first operating rack 22. It is connected to each other by a locking groove 13 formed to correspond to the flag 23.

In addition, the connection structure of the second operating rack 24 and the lower rod 14 is the locking projection 25 at the middle portion of the one or more locking projections 25 and the lower rod 14 formed on the second operating rack 24. Are connected to each other by the engaging groove 15 is formed to correspond to.

In addition, a guide groove (21A) for guiding the vertical movement of the first operating rack 22 and the second operating rack 24 on the opposite surface of the space portion 21 provided in the handle engaging portion 20 and Guide protrusions 21B are formed respectively. That is, the guide groove 21A is formed on one side of the space portion 21 and the guide protrusion 21B is formed on the other side. At this time, the guide groove 21A and the guide protrusion 21B may be formed in a structure that is interchanged with each other.

In addition, guide protrusions 22A and 24A and guide grooves 22B and 24B are formed at both sides of the first operation rack 22 and the second operation rack 24 which are moved up and down in the space 21. have. That is, guide protrusions 22A and 24A are formed on one side of the first operation rack 22 and the second operation rack 24, and guide grooves 22B and 24B are formed on the other side thereof.

Accordingly, the first actuating rack 22 and the second actuating rack 24 are guide protrusions 22A and 24A guided along the guide groove 21A and the guide protrusion 21B formed in the space 21. It is guided stably when it moves up and down by the grooves 22B and 24B.

Although not shown in the drawings, guide grooves are formed on opposite surfaces of the space portion 21, and guide protrusions guided by the guide grooves may be formed in the first operation rack 22 and the second operation rack 24, respectively. Alternatively, guide protrusions may be formed on opposite surfaces of the space portion 21, and guide grooves guided by guide protrusions may be formed in the first operation rack 22 and the second operation rack 24, respectively.

The switching gear part 30 is rotated in engagement with the first rotary gear 32 and the second operating rack 24 installed inside the handle coupling part 20 so as to rotate in engagement with the first operating rack 22. The gear 32 is composed of a second rotary gear 34 which is installed to be connected by elasticity and separated by an external force. At this time, the first rotary gear 32 and the second rotary gear 34 is engaged with the first operating rack 22 and the second operating rack 24, respectively, so as to be connected to each other and separated from the space portion of the handle coupling portion 20 It is installed in 21.

In addition, the connecting shaft 32A is formed to protrude from the first rotary gear 32, and the connecting hole 34A for fitting the connecting shaft 32A to the second rotating gear 34 is formed. Therefore, after the first rotary gear 32 and the second rotary gear 34 are engaged with the first operating rack 22 and the second operating rack 24, respectively, the first rotary gear 32 and the second rotary gear 34 are applied to the elastic force acting on the first rotary gear 32. The connecting shaft 32A is fitted into the connecting hole 34A of the second rotary gear 34 so that the connecting shaft 32A can be connected to each other. At this time, the connecting shaft 32A and the connecting hole 34A may be formed in a polygonal shape, for example, a cross-sectional structure such as a quadrangle, a pentagon, and a hexagon.

In addition, an elastic member 36 is provided inside the space 21 to elastically support the first rotary gear 32 so that the first rotary gear 32 and the second rotary gear 34 are connected to each other. . The elastic member 36 is installed to prevent separation between the first rotary gear 32 and the space 21 to provide an elastic force to the first rotary gear 32. At this time, the elastic member 36 may be composed of a coil spring, a leaf spring, elastic rubber, etc. In this embodiment, it is shown that consisting of a coil spring.

In addition, a washer 38 is provided between the first rotary gear 32 and the elastic member 36. The washer 38 has a first rotating gear 32 such that the elastic force of the elastic member 36 acts uniformly on the first rotating gear 32 when the first rotating gear 32 and the second rotating gear 34 are connected to each other. ) To pressurize elastically.

Further, the gear ratio of the first rotary gear 32 and the second rotary gear 34 is 2: 1.

That is, the first rotary gear 32 is rotated by the small force of the electric actuator 104 by the gear ratio of the first rotary gear 32 and the second rotary gear 34 so that a large force is applied to the second rotary gear 34. By being able to transmit, the size of the electric actuator 104 can be reduced.

The handle 40 is selectively coupled to the second rotary gear 34 provided in the handle coupling part 20 when the electric actuator 104 fails, and serves to lift the window 100 manually, and The shaft is coupled to the connecting hole 34A of the rotary gear 34. At this time, the handle 40, the fitting shaft 42 is fitted to the connection hole 34A is formed.

That is, when the fitting shaft 42 formed on the handle 40 is fitted to the connecting hole 34A of the second rotary gear 34, the connecting shaft 32A is separated from the connecting hole 34A, and the first rotating gear is engaged. 32 overcomes the elasticity of the elastic member 36 and is separated from the second rotary gear 34. Therefore, after the connection of the first rotary gear 32 is disconnected, the second rotary gear 34 is rotated by the handle 40 to lift the member 110 by the second operating rack 24 and the lower rod 14. The window 100 is manually lifted.

At this time, the fitting shaft 42 of the handle 40 is formed in a polygonal shape so as to match with the connection hole (34A).

Referring to the operation of the present invention having such a configuration as follows.

First, when the window is automatically lifted, as shown in FIG. 4, when the power is applied to the electric actuator 104 and operated, the screw shaft 104A is rotated and the upper rod 12 and the first operating rack ( 22 is moved up and down, the first rotary gear 32 is rotated by the vertical movement of the first operating rack 22, the second rotary gear 34 by the first rotary gear (32). By rotating and moving the second operation rack 24 and the lower rod 14 up and down to operate the lift member 110, the window 100 is automatically lifted from the rail of the window frame 110 or closely adhered to the rail. Will be.

That is, when the upper rod 12 is moved up and down by the operation of the electric actuator 104, the first operating rack 22 is moved up and down by the upper rod 12, the first rotary gear 32 Rotates as it engages the top rod 12.

Then, the second rotary gear 34 is rotated by being connected to each other by the first rotary gear 32, the connecting shaft 32A and the connecting hole 34A, and meshed with the second rotary gear 34. As the second operation rack 24 moves up and down, the lower rod 14 moves up and down to lift the lift member 110. At this time, the connecting link 112 is pushed or pulled on the rail by converting the vertical movement of the lower rod 14 to the horizontal movement of the first slider 114 and the second slider 116, the first slider 114 And the elevating block 118 is elevated by the operation of raising or lowering the inclined guide hole 118A by the guide shafts 114A and 116B formed on the second slider 116, thereby providing a window (e.g., the elevating block 118) 100 is lifted and lifted from the rail of the window frame 120 or close to the rail.
At this time, the first actuating rack 24 and the second actuating rack 26 are guided by the guide projections 28 are coupled to the guide groove 22 formed in the space portion 21 of the handle coupling portion 20 is guided, The shake due to the vertical movement can be prevented.

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On the other hand, if you want to lift the window manually, as shown in Figure 5 when the window 100 can not be automatically lifted due to the failure of the electric actuator 104, using the handle 40, the window 100 The lifting shaft is manually lifted. When the fitting shaft 42 of the handle 40 is coupled to the coupling hole 34A of the second rotary gear 34, the connecting shaft 32A is connected by the fitting shaft 42. Separated from the ball 34A, the first rotary gear 32 overcomes the elasticity of the elastic member 36 and is separated from the second rotary gear 34. At this time, the elastic member 36 elastically supporting the first rotary gear 32 is compressed as the connection between the first rotary gear 32 and the second rotary gear 34 is separated, the handle 40 is made of When separated from the second rotary gear 34, the first rotary gear 32 is provided with an elastic force to be connected to the second rotary gear 34.

After the connection between the first rotary gear 32 and the second rotary gear 34 is separated, and the second rotary gear 34 is rotated by the handle 40, the second rotary gear 34 is engaged with the second rotary gear 34. 2, the lower rod 14 is moved up and down by the vertical movement of the operation rack 24, so that the lifting member 110 is lifted, so that the window 100 is manually lifted from the rail of the window frame 120. It will be lifted or pressed against the rail.

On the other hand, the gear ratio of the first rotary gear 32 and the second rotary gear 34 which are connected to each other inside the handle coupling portion 20 is formed of 2: 1 to make the first rotary gear 32 small Since it is possible to transmit a large force to the second rotary gear 34 by rotating with a force, not only can the size of the electric actuator 104 provided in the window 100 to lift the large windows, but also the electric Through the downsizing of the actuator 104, the actuator 104 can be easily installed in the window 100.

The present invention has been described above by way of examples, but the present invention is not limited to the above-described embodiments, and those skilled in the art to which the present invention pertains without departing from the gist of the present invention claimed in the claims. Anyone can make a variety of variations.

1 is a view showing a lift sliding window provided with an automatic and manual switching device according to a preferred embodiment of the present invention,

2 is an enlarged perspective view of main parts of an automatic and manual switching device of a lift sliding window according to the present invention;

3 is a cross-sectional view showing the interior of the automatic and manual switching device of the lift sliding window shown in FIG.

4 and 5 are cross-sectional view showing the operation of the automatic and manual switching device of the lift sliding window according to the present invention, and

6 is a view showing a lift sliding window according to the prior art.

<Explanation of symbols for main parts of drawing>

10: working rod 12: upper rod

14: lower rod 20: handle coupling portion

22: first operating rack 24: second operating rack

30: switching gear part 32: first rotating gear

32A: connecting shaft 34: second rotating gear

34A: connecting hole 36: elastic member

38: washer 40: handle

42: fitting axis

Claims (8)

An operation rod 10 installed to be movable up and down by an electric actuator 104 provided inside the window 100, and the window 100 according to the operation of the operation rod 10. As a lift sliding window having a lift member 110 for lifting from a rail of The electric actuator 104 and the divided portion formed so that the operating rod 10 is provided in the upper region and the lower region of the window 100 around the handle coupling portion 20 is installed in the middle portion of the window 100; An upper rod 12 and a lower rod 14 connected to the lift member 110, respectively; A first actuating rack 22 and a second actuating rack 24 connected to the upper rod 12 and the lower rod 14 to be installed to be movable up and down in the handle coupling part 20; The first rotary gear 32 is installed in the handle coupling portion 20 so as to rotate in engagement with the first operating rack 22, and the first rotary gear is rotated in engagement with the second operating rack 24 ( Switching gear unit 30 having a second rotary gear 34 is installed so that the 32 is elastically connected and separated by an external force; And It is selectively coupled to the second rotary gear 34 to disconnect the first rotary gear 32 and rotate the second rotary gear 34 to operate the second operating rack 24 and the lower rod 14. A handle 40 for making; When the electric actuator 104 is not broken, the upper rod 12 and the lower rod 14 are connected by the connection of the first rotary gear 32 and the second rotary gear 34 so that the window 100 is automatically lifted. In case of failure of the electric actuator 104, the first rotary gear 32 and the second rotary gear 34 are separated by the handle 40, and the second rotary gear 34 is rotated so that the window 100 is closed. Automatic and manual switching device of the lift sliding window, characterized in that the manual lifting. The method according to claim 1, In the middle of the lower rod 14 where the handle coupling portion 20 is located is formed a cutting groove 14A which opens to one side, the lower end of the upper rod 12 is accommodated in the cutting groove 14A 12A is formed to the upper rod 12 and the lower rod 14 is an automatic and manual switching device of the lift sliding window, characterized in that arranged in parallel to each other in the interior of the window 100. The method according to claim 2, An elastic member 36 is provided inside the handle coupling part 20 to elastically support the first rotary gear 32 so that the first rotary gear 32 and the second rotary gear 34 are connected to each other. Automatic and manual switching device of the lift sliding window, characterized in that. The method according to claim 3, The washer 38 is further provided between the first rotary gear 32 and the elastic member 36, and the elastic force of the elastic member 38 acts uniformly on the first rotary gear 32. Automatic and manual switching of lift sliding windows. The method according to claim 4, Inside the handle coupling portion 20, guide grooves 21A and guide protrusions 21B for guiding the vertical movement of the first and second operation racks 22 and 24 are formed, respectively, Guide protrusions 22A and 24A and guide grooves 22B and 24B guided by the guide groove 21A and guide protrusion 21B are formed in the first and second operating racks 22 and 24, respectively. Automatic and manual switching device of the lift sliding window, characterized in that. The method according to any one of claims 1 to 5, The gear ratio of the first rotation gear 32 and the second rotation gear (34) of the switching gear portion 30 is 2: 1, automatic and manual switching device of the lift sliding window. The method according to claim 6, A connecting shaft 32A is formed to protrude from the first rotary gear 32, and a connecting hole 34A for fitting the connecting shaft 32A to the second rotary gear 34 is formed to rotate first. The gear 32 and the second rotary gear 34 are connected to each other, and the handle 40 has a fitting shaft 42 which is axially coupled to the connecting hole 34A so that the handle 40 is the second rotary gear. When the first rotary gear 32 is coupled to the (34), the first sliding gear 32 of the lift sliding window, characterized in that to overcome the elasticity of the elastic member 36 by the fitting shaft 42 and separated from the second rotary gear 34 Automatic and manual switch. The method according to claim 7, The connecting shaft (32A), the connecting hole (34A) and the fitting shaft (42) is automatic and manual switching device of the lift sliding window, characterized in that formed in a cross-sectional structure of a polygonal shape.

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