KR20130118460A - Automatic sliding door device for cold store - Google Patents

Automatic sliding door device for cold store Download PDF

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Publication number
KR20130118460A
KR20130118460A KR1020120041329A KR20120041329A KR20130118460A KR 20130118460 A KR20130118460 A KR 20130118460A KR 1020120041329 A KR1020120041329 A KR 1020120041329A KR 20120041329 A KR20120041329 A KR 20120041329A KR 20130118460 A KR20130118460 A KR 20130118460A
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KR
South Korea
Prior art keywords
rack
pair
plate portion
sliding door
rail
Prior art date
Application number
KR1020120041329A
Other languages
Korean (ko)
Inventor
김삼수
Original Assignee
김삼수
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 김삼수 filed Critical 김삼수
Priority to KR1020120041329A priority Critical patent/KR20130118460A/en
Publication of KR20130118460A publication Critical patent/KR20130118460A/en

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    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05DHINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D15/00Suspension arrangements for wings
    • E05D15/06Suspension arrangements for wings for wings sliding horizontally more or less in their own plane
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05FDEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F15/00Power-operated mechanisms for wings
    • E05F15/60Power-operated mechanisms for wings using electrical actuators
    • E05F15/603Power-operated mechanisms for wings using electrical actuators using rotary electromotors
    • E05F15/632Power-operated mechanisms for wings using electrical actuators using rotary electromotors for horizontally-sliding wings
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05FDEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F15/00Power-operated mechanisms for wings
    • E05F15/60Power-operated mechanisms for wings using electrical actuators
    • E05F15/603Power-operated mechanisms for wings using electrical actuators using rotary electromotors
    • E05F15/632Power-operated mechanisms for wings using electrical actuators using rotary electromotors for horizontally-sliding wings
    • E05F15/635Power-operated mechanisms for wings using electrical actuators using rotary electromotors for horizontally-sliding wings operated by push-pull mechanisms, e.g. flexible or rigid rack-and-pinion arrangements
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05FDEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F17/00Special devices for shifting a plurality of wings operated simultaneously
    • E05F17/004Special devices for shifting a plurality of wings operated simultaneously for wings which abut when closed
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05YINDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2201/00Constructional elements; Accessories therefor
    • E05Y2201/60Suspension or transmission members; Accessories therefor
    • E05Y2201/622Suspension or transmission members elements
    • E05Y2201/688Rollers

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Refrigerator Housings (AREA)
  • Power-Operated Mechanisms For Wings (AREA)

Abstract

A pair of sliding doors for opening and closing the entrance and exit of the cold store, the rails installed on the upper part of the entrance to the cold store, so that the rack and pinion gear made of resin are used to improve operability, ease of installation, and reduce manufacturing costs. And a pair of rail moving bodies movably installed along the rails and connected to the sliding doors respectively, and an automatic opening and closing device for moving the pair of rail moving bodies in opposite directions so that the pair of sliding doors open and close the doorway of the low temperature warehouse. It provides an automatic sliding door device for a low temperature warehouse comprising a.

Description

Automatic Sliding Door Device for Cold Store

The present invention relates to an automatic sliding door device for a low temperature warehouse, and more particularly, to automatically open and close the sliding door using a synthetic resin rack gear and pinion gear, and excellent in operability, easy installation and handling, and reduction in manufacturing cost. It relates to an automatic sliding door device for a low temperature warehouse configured to be possible.

In general, a low temperature warehouse using a urethane panel or a sandwich panel is installed in order to prevent agricultural products, aquatic products, forest products, livestock products, foods, processed products, etc. from being deteriorated and optimally stored.

The low-temperature warehouse is formed with a doorway for entry and exit of a worker or a vehicle, and a sliding door for opening and closing the doorway is installed.

In the past, the sliding doors were mainly configured to be opened and closed manually, but the user feels a lot of inconvenience, and when the sliding doors are large, there is a problem that opening and closing is difficult to open and close recently.

The sliding door of the conventional automatic opening and closing method is largely known a chain method using a chain and a gear method using a gear.

Compared with the chain sliding door, the gear type sliding door has a problem of less failure occurrence, a simple structure, and accurate control, but an increase in manufacturing cost and installation cost.

In other words, in case of gear sliding door, rack gear and pinion gear are used.In order to manufacture rack gear and pinion gear, the manufacturing cost is increased because metal is precisely manufactured by cutting and manufacturing. And there is a problem that is not easy to install.

In addition, since the rack gear and the pinion gear are made of metal, they are difficult to install and transport due to the weight, and there is also a problem that noise is easily generated while friction occurs between the metals during operation.

An object of the present invention is to solve the above problems, the rack gear and the pinion gear is made of synthetic resin and in the case of the rack gear made of a predetermined length can be installed by connecting a plurality of simple structures, raw materials costs and processing It is to provide an automatic sliding door device for a low temperature warehouse that can reduce costs, facilitate mass production, and handle handling and transportation due to weight reduction.

And another object of the present invention is to provide an automatic sliding door device capable of precise opening and closing operation while preventing the flow of the left and right movement of the rack gear is installed because the roller and the pinion gear is always in close contact with the support roller to be engaged. .

Automatic sliding door device for a low temperature warehouse proposed by the present invention is a pair of sliding doors for opening and closing the door of the cold warehouse, the rail is installed on the top of the door of the cold warehouse, and the movable sliding along the rail And a pair of rail moving bodies respectively connected to the door, and the pair of sliding doors include an automatic opening and closing device for moving the pair of rail moving bodies in opposite directions to open and close the doorway of the low temperature warehouse.

The automatic opening and closing device is made using a motor having a drive shaft installed to enable forward and reverse rotation, a synthetic resin, and a pinion gear that rotates by receiving rotational force from the drive shaft of the motor, and using a synthetic resin. A pair of rack gears facing each other on the upper side and the lower side, respectively installed and engaged with the pinion gear to move left and right during rotation of the pinion gear, and each having a cylindrical shape and positioned at an upper side of the pair of rack gears. And a pair of rollers rotatably installed on the bottom surface of the rack gear located on the upper side and the lower side of the rack gear, and a support bracket rotatably supporting the pair of rollers.

The rack gear is made of a synthetic resin and formed in a rod shape and the rack body is engaged with the pinion gear is formed on one side, and the rack housing coupled to the rack body from the opposite side is formed gear gear of the rack body It is made to include.

The rack body is made by injection molding to a predetermined length, and a pair of assembling grooves are formed on both sides, respectively, and a plurality of rack housings are installed to be coupled side by side.

The rack housing is provided with a support portion having an assembly protrusion formed therein, wherein the plurality of rack bodies are assembled therein and slidably coupled with the assembly groove of the rack body.

The roller is installed to be located in the vicinity of the pinion gear, the outer peripheral surface is formed with a rail groove for assembling the upper end of the rack gear.

The roller is formed in a cylindrical shape, the coupling hole is formed through the center axis line, the outer peripheral surface of the roller body formed with the rail groove, the coupling hole of the roller body is assembled to one end of the coupling plate of the support bracket It comprises a central axis that is supported coupled.

The support bracket may include a fixed plate portion having one surface tightly fixed to the low temperature warehouse or rail, an extension plate portion formed by bending at an angle from one edge of the fixing plate portion, and a bent angle formed at an end portion of the extension plate portion. And a coupling plate portion in which the pair of rollers are rotatably installed at predetermined intervals along the vertical direction.

According to the automatic sliding door device for a low temperature warehouse according to the present invention, since the rack gear and the pinion gear are made of synthetic resin, it is possible to reduce the manufacturing cost and to reduce the operation noise and to move, transport, and install it easily and conveniently.

And according to the automatic sliding door device for low temperature warehouse according to the present invention, in the case of the rack gear is manufactured by injection molding to a certain length, it can be installed long by connecting several pieces in a simple structure of the raw material cost and processing cost compared to the metal rack gear Savings are possible and mass production is easy.

In addition, according to the automatic sliding door device for a low temperature warehouse according to the present invention, a pair of rollers are installed so that the rack gear and the pinion gear can always be in close contact with each other, so that the flow of the rack gear is prevented from being moved left and right and the sliding door Accurate opening and closing operation is possible.

1 is a closed state front view showing an automatic sliding door device for a low temperature warehouse according to an embodiment of the present invention.
Figure 2 is an open state front view showing an automatic sliding door device for a low temperature warehouse according to an embodiment of the present invention.
3 is a sectional view taken along the line AA in Fig.
Figure 4 is a partially enlarged front view showing the automatic opening and closing device in the automatic sliding door device for a low temperature warehouse according to an embodiment of the present invention.
5 is a cross-sectional view taken along line BB of FIG. 2.
Figure 6 is a side cross-sectional view showing a rack gear in the automatic sliding door device for low temperature warehouse according to an embodiment of the present invention.
Figure 7 is an exploded perspective view showing the rack gear in the automatic sliding door device for low temperature warehouse according to an embodiment of the present invention.
8 is an exploded perspective view showing the rack body of the rack gear in the automatic sliding door device for a low temperature warehouse according to an embodiment of the present invention.
9 is a partial cross-sectional plan view showing a rack body of a rack gear in the automatic sliding door device for a low temperature warehouse according to an embodiment of the present invention.
10 is a perspective view showing a roller and a support bracket in the automatic sliding door device for a low temperature warehouse according to an embodiment of the present invention.
11 is a front view showing a roller and a support bracket in the automatic sliding door device for a low temperature warehouse according to an embodiment of the present invention.
12 is a side view showing a roller and a support bracket in an automatic sliding door device for a low temperature warehouse according to an embodiment of the present invention.
Figure 13 is a plan view showing a roller and a support bracket in the automatic sliding door device for a low temperature warehouse according to an embodiment of the present invention.
Figure 14 is a side cross-sectional view showing a roller in the automatic sliding door device for low temperature warehouse according to an embodiment of the present invention.

Next, a preferred embodiment of an automatic sliding door device for a low temperature warehouse according to the present invention will be described in detail with reference to the drawings.

In the following description, the same reference numerals are used for the same technical elements, and detailed descriptions for avoiding redundant description are omitted.

The embodiments described below are intended to illustrate the preferred embodiments of the present invention in an effective manner and should not be construed to limit the scope of the present invention.

Automatic sliding door device for a cold storage according to an embodiment of the present invention, as shown in Figure 1 and 2, a pair of sliding doors 100, for opening and closing the door 12 of the cold warehouse 10, ( 110, a rail 200, a pair of rail moving bodies 300 and 310, and an automatic opening and closing device 400.

The pair of sliding doors 100 and 110 open and close the entrance and exit 12 of the low temperature warehouse 10 while moving left and right in opposite directions.

The rail 200 is installed to be formed horizontally long on the upper side of the doorway 12 of the low temperature warehouse (10).

As shown in FIG. 3, the rail 200 is formed in a plate shape and vertically fixed to the vertical wall surface of the low temperature warehouse 10, 210, and at one end edge of the vertical plate 210. At the end of the horizontal plate portion 220 is bent at a right angle, the first rail plate portion 230 is connected to one end portion to form a right angle with the horizontal plate portion 220, and the first rail plate portion 230 The second rail plate portion 240 is bent at right angles to the opposite side of the vertical plate portion 210 and at the end of the second rail plate portion 240 is bent at right angles in parallel with the first rail plate portion 230 It comprises a guide rail 250 is formed.

The rail moving bodies 300 and 310 are respectively installed to be movable along the guide rail 250 of the rail 200.

The rail moving bodies 300 and 310 are integrally connected and fixed to the upper portions of the sliding doors 100 and 110 so as to be movable together with the sliding doors 100 and 110.

The rail moving body 300, 310 is a plurality of wheels 302, 312 and the wheels 302, 312 to roll movement along the guide rail 250 of the rail 200 is rotated It is possible to include a movable frame 304, 314 is installed and connected to the sliding door 100, 110, respectively.

As shown in FIGS. 4 and 5, the automatic switching device 400 includes a motor 410 having a drive shaft 412 installed to enable forward and reverse rotation, and a rotational force from the drive shaft 412 of the motor 410. When the pinion gear 420 and the pinion gear 420 rotate to receive the rotation, the pinion gear 420 rotates. A pair of rack gears 430 and 440 moving from side to side in opposite directions to each other and installed on the upper side and the lower side of the pinion gear 420 are respectively installed and engaged with the pinion gear 420, respectively. It includes a pair of rack gears 430, 440, a pair of rollers 500, and a support bracket 520 to move left and right in opposite directions when the gear 420 rotates.

The motor 410 is fixedly installed in the upper portion of the central side of the doorway 12 of the low temperature warehouse 10.

The pinion gear 420 is made by using an injection molding method using a synthetic resin.

The rack gears 430 and 440 are made of synthetic resin and are formed in a rod shape, and the rack bodies 432 having gears 431 and 441 engaged with the pinion gear 420 are formed on one side thereof. ), (442) and the rack housing (450), (engaged with the rack body 432, 442 on the opposite side where the gear body 431, 441 of the rack body 432, 442 is formed 460).

As shown in FIGS. 8 and 9, the rack bodies 432 and 442 are made by injection molding to a predetermined length, and a pair of assembling grooves 433 and 443 are formed on both sides thereof. The plurality of rack housings 450 and 460 are coupled to each other in series.

The first connecting protrusions 434, 444 and the second connecting protrusions 435, 445 are formed at both ends of the rack body 432, 442 in the longitudinal direction at the opposite ends. The first connecting protrusions 434, 444 and the second connecting protrusions 435, 445 are connected using the fastening pins 437, 447, and the first connecting protrusions 434, 444. ) And the second connecting protrusions 435 and 445 are formed with fastening holes 436 and 446 to which the fastening pins 437 and 447 are assembled.

The rack housings 450 and 460 have a plurality of rack bodies 432 and 442 assembled therein, and sliding with assembly grooves 433 and 443 of the rack bodies 432 and 442. Supporting parts 452 and 462 are formed to form assembly protrusions 453 and 463 to be coupled to each other.

The rack housings 450 and 460 are fixed parts 451 and 461 formed of an elongated rod shape and having a cross-sectional shape of ㅁ, as shown in FIGS. 6 and 7, and the fixing part 451. 2 and 441 are formed to extend in parallel to each other at both ends, and the rack bodies 432 and 442 are coupled and supported therein, and the assembling grooves 433 of the rack bodies 432 and 442 are provided. And 443 and 463, which are slidably coupled to the 443, and a pair of the supporting parts 452 and 462 formed on an inner surface thereof.

The rack body 432, 442 or the rack housing 450, 460 is a pair of connecting frames 470 and the moving frame 304, 314 of the rail moving member 300, 310 It is also possible to be connected directly to the sliding doors 100 and 110 by using 480, respectively.

The connecting frames 470 and 480 are engaged with the pinion gears 420 of the rack gears 430 and 440 in the open state with the gap between the sliding doors 100 and 10 being opened. It is installed to connect the opposite end and the rail moving body 300, 310 or sliding doors 100, 110.

The rack body 432, 442 and the rack housing 450, 460 and the connecting frame 470, 480 may be integrally installed using a fixing screw.

The pair of rollers 500 are disposed on the upper surface of the rack gear 430 located at the upper side and the lower surface of the rack gear 440 at the lower side of the pair of rack gears 430 and 440. Are rotatably installed respectively.

The roller 500 is made of synthetic resin or nylon, rubber, and the like, and as shown in FIGS. 10 to 13, the roller 500 is installed in the vicinity of the pinion gear 420 and each of the support brackets 520. Rotatably supported.

The support bracket 520 is fixed to the vertical plate of the cold warehouse 10 or the rail 200, one side is fixed close to the fixed plate portion 521, and bent at an approximately forward angle from one corner of the fixed plate portion 521 forward The pair of rollers 500 are formed to be bent at substantially right angles at opposite ends of the extension plate portion 522 and the fixed plate portion 521 of the extension plate portion 522. It comprises a coupling plate portion 523 rotatably coupled.

The extension plate portion 522 is installed to be substantially parallel to the drive shaft 412 of the motor 410 in a state close to one side of the motor 410.

In the center of the coupling plate 523, an evacuation groove 524 having a substantially “v” shape is formed so that the drive shaft 412 of the motor 410 is installed to cross the front and back.

10 and 14, the roller 500 is formed in a cylindrical shape, respectively, the outer peripheral surface of the rack groove 502, the upper end of the rack gears 420, 430 is assembled) And a roller body 501 having a coupling hole 503 penetrating along a central axis line, and assembled to a coupling hole 503 of the roller body 501, and a coupling plate portion 523 of the support bracket 520. It comprises a central axis 506 which is coupled to one end of the support.

The roller 500 maintains the engaged state while the rack gears 430 and 440 and the pinion gear 420 are always in close contact with each other.

The roller body 501 rotates as the rack housings 450 and 460 and the outer circumferential surfaces of the rack gears 430 and 440 come into contact with each other, while the rack gears 430 and 440 naturally move. It is installed to be able to move left and right.

The upper ends of the rack housings 450 and 460 are assembled into the rail grooves 502 of the roller body 501, and thus the rack gears 430 and 440 are prevented from flowing back and forth.

The central shaft 506 is formed using a fastening bolt 506, one end of which the male screw is formed to pass through the coupling plate portion 523 of the support bracket 520.

One end of the fastening bolt 506 is provided with a pair of nuts 508 are coupled to each other with a coupling plate 523 of the support bracket 520 interposed therebetween.

One or more bearings 504 may be provided between the coupling hole 503 and the central shaft 506.

The center shaft 506 of the roller 500 and the drive shaft 412 of the motor 410 coupled to the pinion gear 420 are disposed in a substantially straight line along the vertical direction.

Next, the operation of the automatic sliding door device for a low temperature warehouse according to the present invention will be described with reference to the drawings.

First, in order to open in the state in which the low-temperature warehouse 10 entrance 12 is closed by the sliding doors 100 and 110, the driving shaft 412 of the motor 410 is rotated forward to the right.

When the drive shaft 412 of the motor 410 rotates forward, the pinion gear 420 rotates forward to the right and accordingly, a rack gear located above the pair of rack gears 430 and 440. 430 moves to the right and the lower gear 440 is moved to the left (see Figs. 1 and 2).

As the rack gears 430 and 440 move, the rail moving bodies 300, 310 and sliding doors including the support frames 450 and 460 and the connection frames 470 and 480 are moved. As the doors 100 and 110 move together, the doorway 12 of the low temperature warehouse 10 is opened.

When moving as described above, the wheels 302, 312 of the rail moving body 300, 310 moves in a rolling motion along the guide rail 250 of the rail 200.

When the rack gears 430 and 440 are moved, the roller 500 rotates while contacting the rack housings 450 and 460. (See FIGS. 4 and 14)

On the other hand, in order to close the entrance 12 of the low temperature warehouse 10 again by rotating the drive shaft 412 of the motor 410 in the left direction, the rack gears 430, 440 and the support frame ( Connection frames 470, 480, and rail moving bodies 300, 310, and sliding doors 100, 110, including 450 and 460, are also returned to their original state. (FIGS. 1 and 2). Reference)

10: low temperature warehouse 12: entrance
100, 110: sliding door 200: rail
300, 310: rail moving body 400: automatic opening and closing device
410: motor 412: drive shaft
420: Pinion gear 430, 440: rack gear
432, 442: rack body 450, 460: rack housing
470, 480: connecting frame 500: roller
501: roller body 502: rail groove
506: central axis 520: support bracket

Claims (12)

A pair of sliding doors for opening and closing the doorway of the low temperature warehouse,
A rail installed at an upper part of an entrance of the low temperature warehouse,
A pair of rail moving bodies installed to be movable along the rail and connected to the sliding door,
And the pair of sliding doors includes an automatic opening and closing device for moving the pair of rail moving body in the opposite direction to open and close the doorway of the cold storage,
The automatic opening and closing device is made using a motor having a drive shaft installed to enable forward and reverse rotation, a synthetic resin, and a pinion gear that rotates by receiving rotational force from the drive shaft of the motor, and using a synthetic resin. A pair of rack gears facing each other on the upper side and the lower side, respectively installed and engaged with the pinion gear to move left and right during rotation of the pinion gear, and each having a cylindrical shape and positioned at an upper side of the pair of rack gears. An automatic sliding door device for a low temperature warehouse, comprising a pair of rollers rotatably installed on the bottom side of the rack gear located on the upper side and the lower side of the rack gear.
The method according to claim 1,
The roller is installed so as to be located in the vicinity of the pinion gear and the outer circumferential surface of the automatic sliding door device for low temperature warehouse further forming a rail groove for assembling the upper end of the rack gear.
The method according to claim 1 or 2,
The automatic opening and closing device further includes a support bracket for rotatably supporting the pair of rollers,
The support bracket may include a fixed plate portion having one surface tightly fixed to the low temperature warehouse or rail, an extension plate portion formed by bending at an angle from one edge of the fixing plate portion, and a bent angle formed at an end portion of the extension plate portion. And Automatic sliding door device for low-temperature warehouse comprising a coupling plate portion rotatably coupled to the pair of rollers at regular intervals along the vertical direction.
The method according to claim 3,
The roller includes a roller body having a cylindrical shape and a coupling hole penetrating along a central axis line, and a central shaft assembled to a coupling hole of the roller body, and having one end coupled to and supported by a coupling plate of the support bracket. Automatic sliding door device for low temperature warehouse.
The method of claim 4,
The central axis of the roller is made using a fastening bolt that one end of the male screw is formed to pass through the coupling plate of the support bracket,
One end of the fastening bolt cold sliding door automatic sliding door device for installing a pair of nuts through the coupling plate portion of the support bracket therebetween.
The method according to claim 3,
The support bracket is installed on one side of the motor close to the extension plate portion and the automatic sliding door device for low temperature warehouse to form a avoidance groove so that the drive shaft of the motor is installed across the center of the coupling plate portion.
The method according to claim 1,
The rack gear is made of a synthetic resin and formed in a rod shape and the rack body is engaged with the pinion gear is formed on one side, and the rack housing coupled to the rack body from the opposite side is formed gear gear of the rack body Automatic sliding door device for low temperature warehouse containing.
The method of claim 7,
The rack body of the rack gear is made by injection molding to a predetermined length, and a pair of assembling grooves are formed on each side, and a plurality of rack housings are installed so as to be coupled in series.
The rack housing has a plurality of rack body is assembled inside the automatic sliding door device for a low temperature warehouse to form a support which is formed with an assembling projection is slidably coupled to the assembly groove of the rack body.
The method according to claim 8,
At both ends of the rack body further formed a first connecting projection and a second connecting projection in a staggered position, respectively,
Automatic sliding door device for a low-temperature warehouse for connecting the first connecting projection and the second connecting projection using a fastening pin.
The method according to claim 8,
The rack housing is formed with a fixed portion having a cross section shape of "ㅁ (mito)" and parallel to each other at both ends of one side of the fixing portion, the rack body is assembled inside, and the assembly protrusions are formed on the inner surface, respectively. Automatic sliding door device for a cold storage comprising a pair of the support is formed.
The method of claim 7,
And a pair of connecting frames connecting the rail moving body or sliding door and the rack housing of the rack gear, respectively.
The method according to claim 1,
The rail has a plate shape and a vertical plate portion fixed to the vertical wall surface of the low temperature warehouse, a horizontal plate portion formed by bending at a right angle at one edge of the vertical plate portion, and one end to form a right angle with the horizontal plate portion A first rail plate portion to which a portion is connected, a second rail plate portion formed at a right angle to the opposite side of the vertical plate portion at an end portion of the first rail plate portion, and the first rail plate portion at an end portion of the second rail plate portion. It includes a guide rail formed bent at a right angle in parallel to,
The rail moving body includes a plurality of wheels rolling along the guide rails of the rails, and a pair of moving frames in which the wheels are rotatably installed and connected to the pair of sliding doors, respectively. Device.
KR1020120041329A 2012-04-20 2012-04-20 Automatic sliding door device for cold store KR20130118460A (en)

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CN105155936A (en) * 2015-09-21 2015-12-16 江西百胜门控设备有限公司 Electric door lock and electric door system
KR101672756B1 (en) * 2016-03-16 2016-11-04 유한회사 돌로지스틱스캄파니 Airtight door apparatus for warehouse
CN107101166A (en) * 2017-04-21 2017-08-29 佛山尘凡环保科技有限公司 A kind of municipal LEDy street lamp device of solar energy
CN107435905A (en) * 2017-04-21 2017-12-05 佛山尘凡环保科技有限公司 A kind of municipal solar LED street lamp device
CN107435904A (en) * 2017-04-21 2017-12-05 佛山尘凡环保科技有限公司 A kind of solar energy municipal administration LED street lamp
CN108005516A (en) * 2017-11-23 2018-05-08 广州松兴电气股份有限公司 A kind of automatic bilateral open-door device
CN110550055A (en) * 2018-05-31 2019-12-10 比亚迪股份有限公司 Door drive arrangement, door assembly and rail vehicle of rail vehicle
CN110778238A (en) * 2019-09-25 2020-02-11 奇点物联网股份有限公司 Be used for construction maintenance to decorate door shield
CN111765707A (en) * 2020-07-10 2020-10-13 马鞍山学院 Automatic double-door refrigerator and double-door device thereof
WO2021122602A1 (en) * 2019-12-20 2021-06-24 Assa Abloy Entrance Systems Ab A door drive mechanism for moving a sliding door and a sliding door
CN114320060A (en) * 2021-12-06 2022-04-12 浙江绿城建筑设计有限公司 Manual opening device for double-layer evacuation door
KR102404181B1 (en) 2022-04-06 2022-05-31 주식회사 호암엔지니어링 Light-emitting handle on the door of the low-temperature warehouse
CN114991611A (en) * 2022-06-20 2022-09-02 福耀玻璃工业集团股份有限公司 Window structure, door and window assembly and car

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105155936A (en) * 2015-09-21 2015-12-16 江西百胜门控设备有限公司 Electric door lock and electric door system
CN105155936B (en) * 2015-09-21 2018-01-05 江西百胜智能科技股份有限公司 Electric door lock and door system
KR101672756B1 (en) * 2016-03-16 2016-11-04 유한회사 돌로지스틱스캄파니 Airtight door apparatus for warehouse
CN107101166A (en) * 2017-04-21 2017-08-29 佛山尘凡环保科技有限公司 A kind of municipal LEDy street lamp device of solar energy
CN107435905A (en) * 2017-04-21 2017-12-05 佛山尘凡环保科技有限公司 A kind of municipal solar LED street lamp device
CN107435904A (en) * 2017-04-21 2017-12-05 佛山尘凡环保科技有限公司 A kind of solar energy municipal administration LED street lamp
CN108005516A (en) * 2017-11-23 2018-05-08 广州松兴电气股份有限公司 A kind of automatic bilateral open-door device
CN110550055A (en) * 2018-05-31 2019-12-10 比亚迪股份有限公司 Door drive arrangement, door assembly and rail vehicle of rail vehicle
CN110778238A (en) * 2019-09-25 2020-02-11 奇点物联网股份有限公司 Be used for construction maintenance to decorate door shield
WO2021122602A1 (en) * 2019-12-20 2021-06-24 Assa Abloy Entrance Systems Ab A door drive mechanism for moving a sliding door and a sliding door
CN111765707A (en) * 2020-07-10 2020-10-13 马鞍山学院 Automatic double-door refrigerator and double-door device thereof
CN111765707B (en) * 2020-07-10 2022-01-25 马鞍山学院 Automatic double-door refrigerator and double-door device thereof
CN114320060A (en) * 2021-12-06 2022-04-12 浙江绿城建筑设计有限公司 Manual opening device for double-layer evacuation door
KR102404181B1 (en) 2022-04-06 2022-05-31 주식회사 호암엔지니어링 Light-emitting handle on the door of the low-temperature warehouse
CN114991611A (en) * 2022-06-20 2022-09-02 福耀玻璃工业集团股份有限公司 Window structure, door and window assembly and car

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