KR100880272B1 - Interlocking device of sliding door - Google Patents

Abstract

An interlocking device of a sliding door is provided to use commonly even if sliding doors are different in thickness and gap, and to reduce the cost of production by simplifying the structure of an interlocking device. An interlocking device of a sliding door, which comprises a first door(1), a second door(2) and a third door(3) and slides to be opened and closed by guiding a guide roller(14) to retreated grooves(15a,15b,15c) of an upper rail, includes a base plate installed to the upper part of the second door, pulleys(21) installed to two ends of the base plate pivotally, a traction belt(23) installed in a closed loop by the two pulleys and provided with continuous gears on the outside, a guide bar(24) preventing the deflection of the traction belt, and a rack(25) engaged with the gears of the traction belt to pull up the traction belt to open and close the first door and the second door from the third door.

Description

Interlocking device of sliding door

The present invention relates to a device for interlocking a sliding door used to open and close the middle door installed between the entrance door of the building or the corridor or the room of the building or to open and close the front panel of the furniture, in particular when each sliding door is interlocked Improves the noise environment by reducing the generated interlocking noise, accommodates the sliding doors even if the thickness and gap are different, and uses them in common, and the interlocking of the sliding doors to reduce the production cost by simplifying the configuration of the interlocking device. Relates to a device.

1 and 2 are schematic diagrams for explaining a general linked sliding door.

As shown in FIG. 1, an entrance (or opening) 4 is formed by the first door 1, the second door 2, and the third door 3. When the first door 1 is opened, the second door 2 is interlocked to move the first door 1 and the second door 2 toward the third door 3 to open and close the doorway 4. The door type as shown in FIG. 1 is commonly referred to as a triple door system.

In the case of Figure 2, a six-door system, which uses a three-door system (1, 2) (3) arranged side to side.

As described above, the door system has a wider use of an entrance that is opened compared to a conventional two-door (sliding door) system. Therefore, in recent years, an intermediate door installed between a door of a building or a corridor of a building or a living room or a room of an apartment, Or many are installed and used in the front panel (sliding door) of the furniture having a sliding door type.

As a prior art related to the three-door system as described above, it is disclosed in the 'opening and closing body interlock device' of the Republic of Korea Patent No. 10-0724592 (Japanese Patent Laid-Open No. 2005-336888) invented by Shohei Ikeda.

According to the prior art, the guide rail installed in the door interlock device is slid through the sliding groove formed by the first coupling part of the upper rail, which is used when opening and closing the door body (door). There is a problem in that the noise generated by the friction movement in the guide rail sliding groove portion every time.

In addition, the prior art is installed so that the engaging groove of each of the carrier body through the engaging piece formed in the longitudinal direction "L" shape on both sides of the substrate portion of the door interlock device and the door interlock device is installed in the second door body The transfer body is connected to the pivot shafts of the first door body and the third door body through the sliding hole to open and close the door body so that the engaging grooves of the respective carrier bodies slide through the engaging pieces in the door interlock device. As the sliding movement of the transmission body opens and closes the door body repeatedly, abrasion due to friction occurs, and the door interlock device is not assembled in parallel in the third door body of the first door body and the second door body. When the assembly is made in a slight twisted state, the coupling groove of the carrier does not slide smoothly at the coupling piece, and with wear, There is a problem that can generate noise.

Moreover, the sliding hole part of each conveyance body of the said door interlock device was formed in the elongate hole shape (long hole shape) of the longitudinal direction along the width direction of the board | substrate part of this door interlock device. As a result, the tip end portion of the fitting shaft of the pivot shaft inserted into the sliding hole portion of each of the transfer members is loosely fitted so as to be moved a predetermined distance along the width direction of the substrate portion, that is, the thickness direction of the first door body. Therefore, when the thickness of each of these 1st door body, 2nd door body, and 3rd door body differs, or the clearance gap between these 1st door body, 2nd door body, and 3rd door body becomes In other cases, the thickness of the first door body, the second door body, and the third door body is changed by movement along the thickness direction of the first door body of the pivot shaft in the sliding hole portion of each transmission body. Or gap change can be absorbed. For this reason, even when the thicknesses and gaps of these first door bodies, the second door bodies, and the third door bodies are different, a common door interlocking device can be used.

As described above, in the prior art, the door interlocking is formed even when the thickness of each door is changed by forming the sliding hole with a long hole (long hole) in the width direction of the substrate, and the fitting end of the pivot shaft is loosely inserted into the sliding hole. Although there is an advantage that the apparatus can be used in common, this means that the fitting end of the pivot shaft inserted into the sliding hole can move in the width direction of the substrate when opening and closing the door, so that the front end of the fitting shaft of the pivot shaft is a sliding hole. There is a problem that causes noise while hitting the wealth.

According to the configuration of the prior art as described above, the noise is generated by the sliding portion when opening and closing the door, and the problem that the noise is generated by the sliding hole to be used in common in the door body having a different thickness. And, there is a problem in that the configuration of the door interlock device is complicated to increase the production cost and manufacturing cost.

On the other hand, according to the Republic of Korea Utility Model Registration No. 20-0439141 "triple sliding door interlock device", in view of the problems of the prior art Republic of Korea Patent No. 10-0724592 in order to modularize the sliding means to improve the durability of the sliding element The focus is on.

The present invention has been made in view of the above-described problems of the prior art, and the problem to be solved by the present invention is to continuously connect the outer surface of the towing belt installed by a closed loop through pulleys provided at both ends of the second door. It is formed of a gear part, and a rack is installed in the first door and the second door corresponding to the gear part, and the towing belt is moved by the engagement of the gear part and the rack so that the doors interlock with each other. It is to provide a sliding door interlock device that can reduce the manufacturing cost by eliminating the number of parts and simplifying the number of parts.

In addition, the present invention is to provide a sliding door interlock device that allows the rack engaged with the gear portion of the towing belt to move forward and backward, so that it can be commonly used in doors with different thicknesses and gaps.

The present invention is to solve the problem of the present invention to achieve the above object,

In the first door, the second door and the third door is composed of a guide roller installed in the upper portion of the first door, the second door and the third door is slidingly opened and closed while being guided to the groove portion of the upper rail,

A base plate installed on an upper portion of the second door,

Pulleys rotatably installed at both ends of the base plate,

A towing belt installed as a closed loop through both pulleys and having a continuous gear part formed on an outer surface thereof;

A guide bar installed at both sides in the longitudinal direction through the base plate and positioned along the inner surface of the towing belt to prevent sagging of the towing belt;

A rack installed at an upper side of each of the first and third doors and engaged with a gear part of the towing belt to pull the towing belt to open and close the first and second doors from the third door. It is characterized by.

In addition, the present invention is composed of a first door, a second door and a third door, the guide roller is installed on the upper portion of the first door, the second door and the third door is guided to the groove of the upper rail sliding and opening and closing In becoming,

A base plate installed on an upper portion of the second door,

A gear rotatably installed at both ends of the base plate,

A traction belt having a continuous gear portion formed on the inner side thereof so as to be engaged with the closed loops through both gears, and a continuous gear portion formed on the outer side thereof;

A guide bar installed at both sides in the longitudinal direction through the base plate and positioned along the inner surface of the towing belt to prevent sagging of the towing belt;

And a rack installed at an upper side of each of the first door and the third door and engaged with the gear part of the towing belt to pull the towing belt to open and close the first door and the second door from the third door. do.

The towing belt is characterized in that it is made of any one of a rubber material or a synthetic resin material having flexibility.

The racks are respectively installed through brackets fixed to the upper sides of the first door and the third door, the adjustment screw is fitted through the hole formed in the bracket and is installed to be idle by the ring, the adjustment screw of the rack The screw is assembled to the female screw formed on the support body, characterized in that the rack is moved and fixed in the forward and backward directions by the forward and reverse rotation of the adjustment screw.

The racks are installed through brackets fixed to the upper sides of the first door and the third door, respectively, and an adjustment shaft having an adjustment knob is installed through a hole formed in the bracket, and the adjustment shaft is adjusted with a fixing nut to one side. Gears are installed, the plate gear formed on the support body of the rack is meshed with the adjustment gear and the adjustment gear moves the plate gear forward and backward by the forward and reverse rotation of the adjustment knob so that the rack moves and fixed in the forward and backward directions Characterized in that configured.

The base plate installed on the upper portion of the second door is characterized in that the divided or integrally installed.

The first door, the second door and the third door is characterized in that it is made of any one of three or six interlocking.

The present invention is to form a continuous gear portion on the outer surface of the towing belt to be installed in the second door, and to install a rack corresponding to the first door and the third door to be engaged with the gear portion and the towing belt and rack The rubber material has the effect of improving the noise environment of the sliding door by eliminating the noise that may occur in the door interlock.

In addition, the present invention can be commonly used for doors having different thicknesses and gaps by means of front and rear adjustment means of the rack, which can greatly reduce the manufacturing cost of the door interlock device.

In addition, the present invention has the effect that the number of parts constituting the door interlock device is easy to assemble and reduce the manufacturing cost.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

Prior to this, the terms or words used in this specification and claims should not be construed in the ordinary and dictionary sense, and the inventors may appropriately define the concepts of terms in order to best describe their invention. It should be interpreted as meaning and concept corresponding to the technical idea of the present invention based on the principle that the present invention.

Therefore, the embodiments described in the specification and the configuration shown in the drawings are only one preferred embodiment of the present invention, and do not represent all of the technical idea of the present invention, various equivalents that may be substituted for them at the time of the present application It should be understood that there may be water and variations.

Figure 3a is a schematic diagram for explaining the first and second embodiments of the present invention, Figure 3b is a perspective view of the interlock of the sliding door illustrated in one embodiment of the present invention, Figure 4 is an exploded perspective view of Figure 3, Figure 5a and 5b show a plan view of an operating state of the interlock of the sliding door shown in FIG.

The present invention provides a device for interlocking a sliding door used to open and close the middle door installed between the entrance door of the building or the corridor or the room of the building or to open and close the front panel of the furniture.

As shown in FIGS. 3A to 5B, the present invention provides a sliding door interlock device in which the first door 1 and the second door 2 are opened and closed by slidingly interlocking from the third door 3.

The first door 1, the second door 2 and the third door 3 are installed in a substantially rectangular doorway 4, which is a so-called door frame, which is usually a top plate 5 and a door. It is formed by the lower plate 6, the left plate 7 and the right plate 8.

Ordinary guide rollers 14 are installed on both sides of the first door 1, the second door 2, and the third door 3, respectively, and the guide rollers 14 are formed on the upper plate of the doorway (4). 5) the first door 1, the second door 2 and the third door 3 are positioned through the recesses 15a, 15b and 15c of the upper rail 15, respectively. A sliding run along the rail 15 is performed.

In addition, lower portions of the first door 1, the second door 2, and the third door 3 generally slide by a roller (not shown) along the lower rail 16 installed on the lower plate 6. Done.

The base plate 20 is installed along the longitudinal direction of the second door 2 on the upper portion of the second door 2. The base plate 20 is installed on the upper portion of the second door 2 by using a screw 20a.

Pulleys 21 and 21 are rotatably installed at both ends of the base plate 20, and the guide rollers 14 protrude through the holes 20b formed in the base plate 20.

A pull belt 23 is installed as a closed loop through the pulleys 21 and 21 installed on the base plate 20, and the continuous gear part 23a is provided on the outer surface of the pull belt 23. ) Is formed.

The guide bar 24 is vertically installed on both sides of the base plate 20 in the longitudinal direction, and the guide bar 24 is positioned along the inner surface 23b of the towing belt 23 to the tow. When the belt 23 rotates in a closed loop through both pulleys 21 and 21, the guide bar 24 supports the inner surface 23b of the towing belt 23 so that the belt 23 can be rotated. It will prevent sag.

The first door 1 is installed on each of the upper sides of the first door 1 and the third door 3 and engaged with the gear part 23a of the towing belt 23 to pull the towing belt 23. And racks 25 and 25 for opening and closing the second door 2 from the third door 3.

According to the door interlock device configured as described above, FIG. 5A shows that the first door 1, the second door 2, and the third door 3 are connected to the upper rail 15 and the lower rail from one side of the doorway 4. Fig. 16 shows the open position (see Fig. 3a).

As shown in FIG. 5A, the racks 25 and 25 installed in the first door 1 and the third door 3 mesh with the gear portions 23a of the towing belt 23 provided on the second door 2 side, respectively. When the first door 1 is slid and moved in the closed direction of the doorway 4 in the closed state, the racks 25 and 25 installed on the first door 1 and the third door 3 are pulled from the belt 23. Of the second door 2 together with the first door 1 as the towing belt 23 is rotated forward by the gear part 23a of the closed gear through the two pulleys 21 and 21. The guide roller 14 of the first door 1 and the second door 2 slides through the recessed portions 15a and 15b of the upper rail 15. The doorway 4 is closed as shown in 5b (see Fig. 3a).

In the above, when the first door 1 and the second door 2 are opened from the third door 3, the third door 3 is in a stopped state, and the third door 3 is connected to the conventional stopper means. It is possible to maintain the stopped state.

When the doorway 4 is to be opened again in the above state, the first door 1 is moved in the opening direction of the doorway 4, and the rack 25 provided in the first door 1 and the third door 3 is opened. The first door (1) is rotated as the tow belt 23 is reversely rotated through the two pulleys 21 and 21 by the gear 25a of the tow belt 23 engaged with the gear part 23a. The second door 2 is moved toward the third door 3, and the guide roller 14 of the first door 1 and the second door 2 is recessed 15a of the upper rail 15. The doorway 4 is opened by sliding through 15b).

As described above, when the first door 1 and the second door 2 installed at the doorway 4 are opened and closed from the third door 3, the guide bar 24 provided at the base plate 20 is pulled from the belt 23. By supporting the inner surface 23b of the traction belt 23, even if the racks 25 and 25 engaged with the gear portion 23a of the traction belt 23 pressurize the gear portion 23a, the traction belt 23 receives the pressure. The deflection of the towing belt 23 against the deflection is prevented so that a stable engagement between the racks 25 and 25 and the gear portion 23a of the towing belt 23 is maintained so that the first door 1 and the second door are maintained. It is to ensure the stable running of (2).

6 to 8b illustrate two embodiments of the present invention, which is different from the case in which the towing belt 23 forms the gear portion 23a only on the outer surface of the first embodiment. Gears 23a and 23c are formed on the outer and inner sides of the gears, and gears are formed at both ends of the base plate 20 so as to match the gears 23c formed on the inner surface of the towing belt 23. (27) (27) is configured to be rotatably installed, the rest of the configuration and operation of the first embodiment is the same. Accordingly, the description of the action state is omitted instead of the description of the embodiment.

According to the second embodiment of the present invention configured as described above, the towing belt 23 by the gear portion 23c formed on the inside of the towing belt 23 through both gears 27 and 27 is provided with a toothed bite. When the forward and reverse rotation with the closed loop rotates without sliding has the advantage of precisely controlling the first door (1), the second door (2) and the third door (3).

The towing belts 23 and the racks 25 and 25 in the above-described embodiments 1 and 2 are rubber materials that absorb noise or synthetic resin materials that can absorb noise and have flexibility, such as the rubber materials. By selecting and configuring one, it is possible to minimize the running noise of the interlocking door.

On the other hand, in the case of the rack (25, 25) is made of a hard metal or synthetic resin material and the towing belt 23 is made of a rubber material, there is no problem in noise and the rack (25) and the towing belt (23) Can be stabilized.

The racks 25 and 25 respectively provided on the upper sides of the first door 1 and the third door 3 have the same configuration, and the rack 25 is illustrated in FIGS. 3B to 8B. 25 are respectively installed through the bracket 28 fixed to the upper side of the first door (1) and the third door (3) by a screw (28a), the hole (28b) formed in the bracket (28) The adjusting screw 29 is inserted through the ring 30 so as to be idling, and the adjusting screw 29 is screw-assembled to the female thread part 31a formed on the support body 31 of the rack 25. The rack 25 is moved and fixed in the forward and backward directions by the forward and reverse rotation of the adjustment screw 29.

Accordingly, when the thickness of the first door 1, the second door 2 and the third door 3 is thick or thin, or when the gap between the doors 1, 2 and 3 is different, When the rack 25 and 25 engaged with the gear portion 23a of the towing belt 23 are not engaged or are engaged with excessive pressure, the adjustment screw 29 is rotated forward and backward. The racks 25 and 25 formed on the support body 31 move forward and backward and engage with the gear portion 23a of the towing belt 23 at an appropriate pressure, so that they can be commonly used for doors having different thicknesses and gaps. .

On the other hand, the rack 25 is formed integrally with the support body 31 or may be manufactured separately and assembled to the support body 31 can be used.

9 shows a modified example of the rack of the present invention.

According to a modification of the racks 25 and 25 shown in FIG. 9, the racks 25 and 25 are fixed with screws 32a on the upper sides of the first door 1 and the third door 3. Each is installed through the bracket 32, the adjustment shaft 33, the adjustment knob (33a) is formed through the hole (32b) formed in the bracket 32 is installed on the adjustment shaft 33 to one side fixed nut The adjustment gear 36 is installed together with the 35, and the flat gear 37a formed on the support body 37 of the rack 25 meshes with the adjustment gear 36 so that the adjustment knob 33a is stationary. The adjustment gear 36 moves the plate gear 37a before and after by rotation, and the rack 25 is moved and fixed in the front and rear directions. Reference numeral 34 denotes a ring to prevent the adjustment shaft 33 from escaping from the hole 32b.

Accordingly, when the thicknesses of the first door 1, the second door 2, and the third door 3 are thick or thin, or when the gap between the doors is different, the gear portion of the towing belt 23 ( When the racks 25 and 25 engaged with 23a are not engaged or are engaged with excessive pressure, the flat plate engaged with the adjustment gear 36 is rotated by rotating the control knob 33a forward and backward. The racks 25 and 25 formed on the support body 37 by the gears 37a move forward and backward to engage with the gear portion 23a of the towing belt 23 at an appropriate pressure and then to the fixing nut 35. By tightening and using the adjusting shaft 33, it can be commonly used for doors having different thicknesses and gaps.

On the other hand, the rack 25 may be integrally formed on the support body 37 or manufactured separately and assembled to the support body 37 to be used.

On the other hand, in the case of the base plate 20 installed in the second door 2 described in the first and second embodiments, it is illustrated that integrally formed on the upper portion of the second door 2, but is shown in FIG. The base plates 20A and 20B are illustrated to be installed on the upper part of the second door 2 in a form separated from left to right.

As described above, the base plates 20A and 20B are separated and left and right installed on the upper side of the second door 2 so that the pulleys 21 and 21 or the gears 27 are respectively provided to the base plates 20A and 20B. (27) can be installed and used to install the towing belt 23 through this, and the base plate (20A) (20B) is installed by connecting with each other with a guide bar (24) to prevent sagging of the towing belt (23) Can be.

By separating and installing the base plates 20A and 20B as described above, the material can be saved, and in particular, when the length of the door is long, it is more effective in saving the material.

As described above, according to the interlocking device of the sliding door of the present invention, the towing belt 23 and the racks 25 and 25 provided as the interlocking means of the door are engaged in the form of gears to ensure the interlocking of the door. In addition, the material of the towing belt is made of a rubber material or a synthetic resin having the same function of flexibility, thereby significantly reducing the noise caused by the interlocking operation, thereby improving the noise environment of the door.

In addition, the present invention can actively correspond to the thickness and the gap of the sliding doors (first door, second door, third door) by providing the front and rear adjustment means to the rack, so that the parts can be used differently for the doors having different thicknesses and gaps. There is an economic effect that can be used in common without need.

In addition, it is possible to reduce the manufacturing and installation costs by simplifying the number of parts constituting the door interlock device of the present invention.

In addition, the present invention can provide a tri-fold sliding door as described in FIG. 1, it can provide a six-link sliding door as described in FIG.

1 is a schematic view for explaining a general three sliding door.

Figure 2 is a schematic diagram for explaining a general six sliding door.

Figure 3a is a schematic diagram for explaining the first and second embodiments of the present invention.

Figure 3b is a perspective view of the interlock of the sliding door illustrated in one embodiment of the present invention.

4 is an exploded perspective view of FIG. 3.

5A and 5B are plan views of an operating state of the interlocking device of the sliding door shown in FIG. 3.

Figure 6 is a perspective view of the interlock of the sliding door illustrated in the second embodiment of the present invention.

7 is an exploded perspective view of FIG. 6.

8A and 8B are plan views of an operating state of the interlocking device of the sliding door shown in FIG. 6.

9 shows a modified example of the rack of the present invention.

10 shows a modification of the base plate of the present invention.

<Explanation of symbols for the main parts of the drawings>

1: 1st door 2: 2nd door

3: 3rd door 4: doorway

20: base plate 21: pulley

23: towing belt 23a, 23c: gear portion

24: guide bar 25: rack

27: gear

Claims (7)

delete delete delete A guide formed of a first door 1, a second door 2, and a third door 3, and installed on an upper part of the first door 1, the second door 2, and the third door 3; The roller 14 is guided by the grooves 15a, 15b and 15c of the upper rail 15, and slidingly opened and closed, and the base plate 20 installed above the second door 2, and A pulley 21 having a pulley 21 rotatably installed at both ends of the base plate 20 and a gear part 23a provided in a closed loop through both pulleys 21 and having a continuous gear portion 23a on an outer surface thereof. And guide bars 24 installed on both sides in the longitudinal direction through the base plate 20 and positioned along the inner surface 23b of the towing belt 23 to prevent sagging of the towing belt 23. And the first door 1 and the third door 3 are respectively installed on one side of the upper part of the towing belt 23 and engaged with the gear 23a of the towing belt to pull the towing belt 23. ) And the second door (2) from the third door (3) The rack 25 25 in the linkage of the sliding door is configured to, The rack 25 is installed through the bracket 28 fixed to the upper one of the first door (1) and the third door (3), respectively, adjusting screw through the hole (28b) formed in the bracket (28) (29) is fitted and is rotatably installed by the ring 30, the adjustment screw 29 is screwed to the female threaded portion (31a) formed on the support body 31 of the rack 25, the adjustment screw ( The interlocking device of a sliding door, characterized in that the rack 25 is configured to be moved and fixed in the forward and rearward directions by the forward and reverse rotation of 29). delete delete delete

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