KR20070104170A - The automatic sliding door with the gear - Google Patents

Abstract

An automatic sliding door using a gear is provided to have longer life and reduce maintenance costs by having better durability than a conventional method using a chain so as to transfer drive of a drive motor, and to previously prevent future safety accident by forming a manual conversion device for safety. An automatic sliding door using a gear comprises a drive unit(100), a drive device and a door. The drive unit consists of a drive motor(10) generating power so as to move a door left and right, and a transmission(11). The drive device consists of a gear unit(200) including a drive gear receiving power of the drive motor and drive rack gears(171,172) sliding left/right doors by being engaged with the drive gear. The drive device is interacted with the drive rack gears, slid left and right according to rotation of the drive motor, and drives the door for opening/closing an inlet/outlet of a large scale warehouse and a freezing/refrigeration warehouse. The door includes a manual operation unit(300) in one side of a ground contact surface between the doors.

Description

Automatic sliding door using gears {THE AUTOMATIC SLIDING DOOR WITH THE GEAR}

1 is a view showing the configuration of an automatic sliding door using a conventional chain

Figure 2 is a view showing the configuration of the safety switching knob which is the main part of the automatic sliding door using a conventional chain

3 is a view showing the configuration of a limit switch inside a trabel box configured in an automatic sliding door using a conventional chain;

4 is a view showing a preferred embodiment of the automatic sliding door using a gear according to the invention

5 is an exploded view of an automatic sliding door using a gear according to the present invention

6 is an exploded view showing the configuration of a gear part that is a main part of the present invention;

7 is an exploded view showing the configuration of a safety switching knob which is the main part of the present invention.

8 is a view showing the operation of the safety switching knob, the main part of the present invention;

9 is a view showing a driving unit which is a main part of the present invention;

Explanation of the main symbols used in the main part of the drawing

10: drive motor 20: chain

30: controller 40: door

50: rail 60: limit switch

70: trabel box 80: protrusion

90: chain lock 100: drive part

110: switching rod 120: manual switching handle

130: drive gear 140: manual switching pin

150: power transmission rod 160: guide roller

170: first rack gear part 171: first rack gear

172: second rack gear 180: second rack gear

190: rack gear mounting base 200: gear unit

210: fixing bracket 220: connecting bracket

230: moving roller 240: push rod

250: main body 260: elastic portion

270 handle

Looking at the conventional automatic sliding door as shown in Figures 1 and 2 receives the power of the drive motor 10 from the chain 20, the left / right sliding doors (40a, 40b) through the chain 20 The rail 50 is slid on the rail 50, and the rail 50 has a controller 30 configured to control the driving motor 10 and a limit switch configured to set a limit at which the door is opened and closed on one side of the rail 50. It is configured to be installed at one end.

The limit switch configured in the trabel box 70 has a protrusion 80 protruding into a polygon such as a pentagon or a hexagon moving left and right in cooperation with the door as shown in FIG. 3, and the left / right limit of the protrusion One limit switch 60a, 60b is formed on each of the left and right sides contacted at the position, and when the protrusion 80 is moved to the left to the maximum, that is, the door is opened as much as possible and the protrusion 80 is the first on the left side. In contact with the limit switch 60a, the operation of the driving motor 10 is stopped. On the contrary, when the door is closed as much as possible and the protrusion 80 is in contact with the second limit switch 60b on the right side, the operation of the driving motor is also stopped. Therefore, the limit is set when opening and closing the door automatically sliding left and right by the operation of the first and second limit switches (60a, 60b).

However, the door is composed of a chain as described above, even if the drive motor 10 is temporarily stopped while the door is opened to the maximum contact with the first limit switch (60a), the inertia by the weight of the door itself is out of the limit, The prolonged use causes the protrusion 80 and the first limit switch 60a to be worn out of its limits. In addition, even if the door is closed, the weight and wear of the door itself is out of the limit. Therefore, when the door does not stop at this stop position, the chain 20 that slides the door by receiving the driving force of the driving motor is loosened and is often released from the fixed position or severely breaks. Problems are difficult to manage.

In addition, the automatic sliding door is a door that is automatically operated by the electricity supply may cause a problem that stops the operation of the door, such as interruption of the electricity supply, so that even if you do not operate for safety for this problem manually The manual switching device is provided as a stabilizer to open and close the bar. As shown in FIG. 2, the manual switching device in the drive transmission method using the conventional chain has a manual switching pin on the chain lock 90 connected to the chain 20. 140 is inserted, the manual switching pin 140 is connected to the manual switching handle 120 by the switching rod 110, the manual switching handle 120 is to be operated both inside and outside Two outer and two are installed and the inner and outer two handles 120 are connected by a connecting rod 121 is configured to interlock with each other.

Therefore, when the manual switching knob 120 is operated from the inside and the outside, the manual switching pin 140 inserted into the chain lock 90 descends to fall down from the chain 20 to be separated from the chain lock 90. The door can be opened and closed so that it can be manually locked when it is trapped inside or when the operation of the driving motor is impossible due to a sudden interruption of the electric supply. However, this also causes a problem that it is impossible to switch manually when an error occurs in the chain.

Accordingly, the present invention has been devised as a result of the long-term efforts of the applicant in order to solve the above problems,

An object of the present invention is configured to be in contact with each one of the front and rear of the drive gear rotated by the drive motor before and after each one of the front and rear drive rack gear in a linear reciprocating motion in different directions, even if the door operation is out of the limit point drive rack gear To provide an automatic sliding door that can be used for a long time without breakaway from the drive rack or breakage of the driving rack gear.

Still another object of the present invention is to construct a manual switching knob which can be easily manually switched without being associated with a driving unit, a gear unit, and other parts, so that it can always actively respond to dangerous situations such as being trapped inside a warehouse. To provide an automatic sliding door configured with a switching handle.

Another object of the present invention is to provide an automatic sliding door that can simplify the configuration by removing the unnecessary parts, and can be configured to look beautiful to increase the value as a product.

Hereinafter, according to the automatic sliding door using the gear according to the present invention in order to achieve the above object, left / right both sides or left / right along a rail attached transversely to the front and rear entrances of large warehouses and large internal and cold storage. An automatic sliding door which opens and closes an entrance and exit by automatically sliding a door by a driving device to one side, comprising: a driving unit (100) comprising a driving motor and a transmission device for generating power to move the door from side to side; A drive rack gear for sliding the left / right doors in engagement with the drive gears receiving the power of the drive motor and the drive gears; A door interlocked with the drive rack gear and sliding to the left / right according to the rotation of the drive motor to open and close the doorway of a large warehouse and a freezer / refrigerated warehouse;

The front center of the door is configured as a manual operation unit that can open and close the door manually in case of danger, thereby providing an automatic sliding door that ensures increased durability and safety.

Hereinafter, the configuration of the automatic sliding door using the inventor of the present invention and its embodiment will be described in more detail with reference to the accompanying drawings,

1 is a view showing the configuration of an automatic sliding door using a conventional chain, Figure 2 is a view showing the configuration of a manual operation unit which is a main part of an automatic sliding door using a conventional chain, Figure 3 automatic sliding door using a conventional chain. Figure 4 is a view showing the configuration of the limit switch inside the trabel box, Figure 4 is a view showing a preferred embodiment of the automatic sliding door using the gear according to the present invention, Figure 5 Automatic sliding door using the gear according to the present invention 6 is an exploded view showing the configuration of a gear part that is a main part of the present invention, FIG. 7 is an exploded view showing the configuration of a manual operation part that is a main part of the present invention, and FIG. 8 is a view showing an operation of a manual operation part that is a main part of the present invention. 9 is a view showing a drive unit that is a main part of the present invention;

Thus, as shown in Figures 1 and 2, the conventional automatic sliding door receives the power of the drive motor 10 installed on one side of the rail attached to the transverse direction from the upper side of the front entrance from the chain 20, the left and right through the chain A sliding door (40) is slid on the rail, and a controller (30) for controlling the drive motor on one side of the upper rail (50); Trabel box 70 configured with limit switches 60a and 60b for setting the maximum movement limit when the door is opened and closed is installed at one end of the rail 50, and a manual switching handle as a safety device inside and outside the door. Manual operation unit 300 including the 120 is configured.

The limit switches 60a and 60b configured in the trabel box are formed with protrusions 80 protruding into polygons such as pentagons or hexagons that move left and right in cooperation with the door as shown in FIG. 3, and the protrusions 80 In the limit position that can be moved to the left and right of the first and second limit switch (60a, 60b) contact each one is formed on the left and right, so that the protrusion 80 is moved to the left to the maximum, that is, the door is When opened, the protrusion contacts the first limit switch 60a on the left side and stops the operation of the driving motor 10. On the contrary, when the door is closed as much as possible and the protrusion 80 comes into contact with the second limit switch 60b on the right side, the operation of the driving motor 10 is also stopped. Therefore, the limit on the position that can be moved as much as possible when opening and closing the door automatically sliding left and right by the limit switch is set.

Thus, as shown in Figures 4 to 6, the drive unit consisting of a drive motor 10 and a transmission device (11) for generating power for moving the door to the left and right located in the front of the large warehouse and freezer and cold storage ( 100); Drive rack gear for sliding the door (40a, 40b) to the left and right by engaging the drive gear 130 and the drive gear 130 receives the rotation of the power of the drive motor 10 by the power transmission rod 150. A gear unit 200 composed of 171 and 172; Doors 40a and 40b which interlock with the drive rack gears 171 and 172 to slide left and right according to the rotation of the drive motor 10 to open and close doorways of large warehouses and freezers and refrigerators; Since the front center of the door is composed of a manual operation unit 300 that can manually open and close the door when dangerous,

When the drive unit 100 is electrically operated, the drive motor 10 is operated by the control of the controller 30 located on one side of the rail 50 and the transmission device 11 shifts the rotation of the drive motor 10. It is configured to be installed on the rail 50 on the upper side of the door. As shown in FIG. 9, the driving motor and the transmission are supported by the support plate 12, and a power transmission rod 150 protruding from the support plate 12 to transmit power of the driving motor is protruded. At the end of the drive gear 130 is formed. In addition, a plurality of guide rollers 160 are formed on the front and rear sides of the drive gear to smoothly move the drive rack gears 171 and 172 which are engaged with the drive gear 130.

As shown in FIGS. 5 and 6, the gear unit 200 includes a first rack gear unit 170 for sliding a rail 50 and a right door 40b attached to an upper side of the entrance and a left door 40a. It consists of a second rack gear unit 180 for sliding), the first and second rack gears (171, 172) is fixed to each rack gear mounting stand 190, the upper side 41 of the door The side of the 'b' shaped connecting bracket 220 is connected to the fixing bracket 210 which is fixed by the fixing member such as a bolt, and the rack gear is connected to the upper surface 221 of the connecting bracket 220 by the fixing member such as the bolt. The mounting table 190 is completely fixed, and a plurality of moving rollers 230 which are placed on the rail and move on the rail are fixed to the fixing bracket. Both ends of the rack gear mounting unit 190 are provided with limit switches 60 for controlling a limit on the position of the door movement, that is, the position when fully opened and the position when fully closed. The limit switch can be used by installing a conventional limit switch, and therefore does not add an additional description of the limit switch.

The manual control unit 300 is for manually opening and closing the door in case of emergency, the handle 270 made of 'П' type as shown in Figure 7 and protruding upward from the upper side of the handle 270 by a predetermined length The main body 250 is composed of a pusher 240, and the holder 271 and the case 272 to which the main body is fixed, the manual operation portion is inserted into the installation groove 251 formed on one side of the door. The case has a rotating groove 252 is formed in the upper side of the handle is installed on one side is inserted into the installation groove 251 to the innermost and fixed by a fixing member, the holder 271 is inserted into the push rod 240 upwards As the groove 253 is rotated and the upper portion of the handle is inserted into the side to be rotated, the groove 254 is formed to be rotated to be in close contact with the case fixed to the innermost of the installation groove. The handle '270' and the pusher 240 of the '?' Type are integrally formed so that the cover having the groove 254 is formed in a rectangular shape so that the pusher can be rotated upward on the front side after being inserted into the holder. . The upper portion 270a of the handle 270 is formed to be somewhat longer than the width of the door 40b to be inserted, and the handle is formed on the inner front and the outer front of the door, so that the push rod 240 is integrally formed with the handle. As shown in FIG. 8, the door is manually opened and closed by rotating the elastic part 260 installed at a position corresponding to the position of the pusher 240 at the side of the door 40a on the opposite side as shown in FIG. 8.

Hereinafter, looking at a preferred embodiment of the present invention configured as described above,

The support plate 12 is operated by operation of the drive unit 100 including the drive motor 10 and the transmission device 11, which are located above the front of a large warehouse and a freezer / refrigerated warehouse to generate power for moving the door 40 from side to side. As the drive gear 130 formed at the end of the power transmission rod 150 formed at the lower side rotates, the drive rack gears 171 and 172 of the gear unit 200 engaged with the drive gear 130 are slid left / right. The drive rack gears 171 and 172 are engaged with the drive gear 130 so that the two drive racks 171 and 172 are located in parallel. At this time, the two parallel drive rack gear is sliding in the opposite direction to each other. Accordingly, the rack gear mounting unit 190 in which the driving rack gears 171 and 172 are installed is fixed to the connection bracket 220 fixed to the side of the fixing bracket 210 so that the driving gear 130 rotates and the driving rack gear ( When the doors 171 and 172 slide, the door fixed to the fixing bracket 210 slides to open and close the doorway. At this time, the limit of the sliding range is set by the limit switch 60 provided at both ends of the rack gear mounting stand 190, the sliding is stopped.

Therefore, the automatic sliding door composed of a gear as described above can remove the problem that the chain breaks or breaks that may occur in the way of opening and closing the door is composed of a chain, and the durability of the gear is superior to the chain It is to provide automatic sliding sliding doors installed at the entrance of large warehouses and freezers and cold storages, which can be used for longer periods of time, and can greatly reduce the cost of maintenance and management. .

On the other hand, the automatic sliding door using a gear according to an embodiment of the present invention is not limited only to the above-described embodiment, but those skilled in the art to which the invention belongs within the scope not departing from the technical gist. Ramen can be changed in various ways.

Hereinafter, the present invention configured as described above can be used for a longer time because the durability is increased compared to the method of transmitting the drive of the drive motor using a conventional chain, the maintenance, maintenance costs are not only low, safety manual for safety By configuring the switching device to prevent the safety accidents that can occur in the future, the effect is very large invention.

Claims (5)

In the automatic sliding door which opens and closes the entrance and exit by automatically sliding by the drive device to the left / right side or one side of the left / right side along the rail attached to the front of the entrance of the large warehouse and large internal and cold storage, A driving unit 100 including a driving motor for generating power to move the door left and right and a transmission device; It is composed of a gear unit 200 consisting of a drive gear receiving the power of the drive motor and drive rack gears (171, 172) sliding the left and right doors in engagement with the drive gear 130, A drive device which is linked with the drive rack gear and drives a door 40 that opens and closes the entrance and exit of a large warehouse and a freezer / refrigerated warehouse by sliding left / right according to the rotation of the drive motor; Automatic sliding door using a gear comprising a manual control unit 300 which can open and close the door manually in case of danger in the front center of the door is composed of a door configured on one side of the ground plane between the doors The method of claim 1, The drive unit 100 is electrically driven and driven by the control of the controller 30 located on one side of the rail 50; A transmission device for shifting the rotation of the drive motor; consisting of, the drive motor and the transmission is supported by the support plate 12 and the power transmission rod for transmitting the power of the drive motor 10 to the lower support plate ( 150 is protruded, the drive gear 130 is formed at the end of the power transmission rod, and the front and rear of the drive gear smoothly moves the drive rack gears (171, 172) engaged with the drive gear 10. Automatic sliding door using a gear including a plurality of guide rollers 160 for forming The method of claim 1, The gear unit 200 includes a first rack gear unit 170 for sliding the rail 50 and the right door 40b attached to an upper side of the entrance and exit; And a second rack gear unit 180 sliding the left door 40a, wherein the first and second rack gears 171 and 172 are fixedly installed on each rack gear mount 190, and the top of the door is formed. The side of the 'b' shaped connecting bracket 220 is connected to the fixing bracket 210 fixed to the side by a fixing member such as a bolt to the upper surface 221 of the connecting bracket 220 by a fixing member such as a bolt. The rack gear mounting unit 190 is completely fixed, and the fixed bracket 210 has a plurality of moving rollers 230 fixedly installed on the rail 50 and moving on the rail, and the limit switch (both ends of the rack gear mounting unit) Automatic sliding door using gears, including The method of claim 1 The manual control unit is a body 250 consisting of a handle 270 made of a 'П' type and a push rod 240 protruding a predetermined length upward from the upper portion of the handle and a push rod 240 to which the main body 250 is fixed. ) Is inserted into the rotating groove 253 and the upper side of the handle is inserted into the rotating groove 255 is inserted into the rotating support (271) and the upper side of the handle 270a is inserted into the rotating groove 252 is formed Automatic sliding door using a gear comprising a case 272 is inserted into the installation groove 251 formed on one side of the side of the door The method of claim 4, wherein The handle part 270 and the push rod 240 of the 'П' type are integrally formed, and the upper part 270a of the handle part 270 is formed to be somewhat longer than the width of the door to be inserted, so that the inner front of the door and A handle is formed on the outer front side, and the pusher 240 rotates with the handle according to the rotation of the handle formed integrally, and the elastic part 260 installed at a position corresponding to the position of the pusher 240 at the side of the door on the opposite side. Automatic sliding door using a gear that includes opening and closing the door manually while pushing

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