KR20240054792A - Door device having automatic door closing device - Google Patents

Abstract

As a door device of various storage boxes, provided is a door device having an automatic closing door part that realizes easy coupling of a door and simultaneously can firmly maintain a coupled state so as to ensure safety of a user when opening/closing comprising: a door (300) that is disposed inside a door frame (200) to open or close a storage box; a hinge part that is installed on one side of the door to rotate the door; and a lock part that is installed on the other side of the door to lock the door, wherein the hinge part comprises a motor that automatically opens and closes the door and a rotation stop part that stops a closing motion of the door if a person's hand is caught when the door is closed.

Description

Door device having automatic door closing device}

The present invention relates to a door device having an automatically closing door portion used in various lockers (e.g., storage boxes), and more specifically, to a front panel, a door frame assembled with the front panel, and a door frame disposed inside the door frame to form various lockers. It includes a door that opens or closes, a hinge part installed on one side of the door to rotate the door, and a lock part installed on the other side of the door to lock the door. It relates to a door device manufactured to effectively use a door by including a motor that opens and closes and a pivot stop that can slip on the door.

Accordingly, when the door is closed, the door device can be pushed by hand to close faster, or conversely, it can be pulled to open faster, and it is characterized by a structure in which no load is applied to the operating motor through the sleep function even during this operation. there is.

Furthermore, it goes without saying that even if your hand or arm gets caught while the door is closing, there will be no safety issues through the slip function.

In general, a door is a device that is widely used in many devices. If we limit it to lockers among the devices above, they are mainly used in the interior or exterior of buildings where many people live or use, such as schools, bathhouses, hotels, train stations, bus terminals, sports facilities, and large discount stores. It is mainly installed outdoors.

The locker consists of a main body formed by dividing a plurality of storage spaces each with an open front surface by a partition, and a door that opens and closes the open front surface of the main body, respectively.

The main body and door forming such a locker are configured to have one or more hinges installed between a corner on one front side of the main body and a corner on one side of the door so that the door can freely rotate from the main body to open and close.

That is, the main body and the door are coupled through a hinge device, and the interior of the main body is opened and closed through the door.

In Korean Patent Registration No. 10-0689247 (name: Door combination structure of personal locker), as known in the gazette, the door combination structure of personal locker is configured so that the door enters the inside of the locker when the door is closed. , the door and the locker are combined using a hinge structure in which the axis of the hinge protrudes outward from the locker at the upper and lower portions of the door, and the locker-side hinge elements constituting the upper and lower hinges combine the horizontal frame and vertical frame constituting the locker. The door coupling structure of a personal locker is described in which the door side hinge element is fastened to the edge of the door frame with screws.

In addition, in Korean Utility Model Registration No. 20-0411555 (name: door hinge), as known in the gazette, a fixing piece bent in an L-shape and having screw holes drilled on each plane, and an upper side of the fixing piece a body fixing member consisting of an extension protrusion that protrudes in the horizontal direction and has a hinge hole drilled in the center; A U-shaped fixing piece that is inserted and fitted into one end of the door, a guide portion perforated from the front side of the fixing piece to the side so that the extension protrusion is inserted and guided, and the guide portion is bent to the inside of the fixing piece along the same line as the a door connecting member consisting of a hinge holding portion forming a hinge hole opposing the hinge hole of the extension protrusion, and a screw hole drilled in one side of the fixing piece to secure the fixing piece to the door; A hinge for a door is described, which consists of a hinge pin that is inserted into the hinge hole of the body fixing member and the hinge hole of the door connecting member and fastened to each other.

In addition, in Korean Patent Registration No. 10-0990163 (name: hinge for a hinged door), as known in the gazette, it is installed on the inner surface of the door on one side around the central hinge axis and is installed on the upper surface or the upper surface of the door to which it is installed. A door hinge is provided with a fixing part bent at 90°, which is fixed in contact with one of the lower surfaces, and is installed on the inner wall of the furniture body on the other side around the central hinge axis, and has a top surface of the inner wall on which it is installed, or In a hinge for a hinged door having a body hinge portion in which a fixing part that is fixed in surface contact with one of the lower surfaces is bent at 90°, the end of the fixing part is exposed to the outside of the door and displays the locker user's name or locker. A display unit that can identify the manager's name and objects stored in the locker is bent at 90° from the end of the fixing part toward the door, and the corresponding part of the door hinge is cut on one side of the door hinge, and the cut part is cut. is wound into a cylindrical shape whose diameter gradually increases from the front end to the rear end, and the opposite end sides of the cylindrical shape formed during the winding are welded to each other to provide a stopper integrated with the door hinge part, and the stopper is provided. An "L" shaped stopper support member having a stopper support piece with an arc-shaped stopper locking portion protruding from the front is installed on one side of the main body hinge portion at a position corresponding to the stopper support piece and a fixing portion bent at 90°. An elastic member supporting the stopper support piece is installed between the hinge shafts, the upper end of the hinge axis is located lower than the upper end of the door hinge, and the lower end of the hinge axis is located higher than the lower end of the main body hinge. This is listed.

Meanwhile, in Korean Patent Registration No. 10-1298230 (name: Hinge device for furniture doors), as known in the gazette, a body-side hinge member fixed to the inside of the body and a door-side hinge member fixed to the end edge of the door and a hinge shaft rotatably connecting the door side hinge member and the main body side hinge member; A hinge for a furniture door in which an elastic member having an elastic piece is provided on the door horizontal fixing plate of the door side hinge member so that the door is maintained in a closed state when the elastic piece is inserted into a locking hole formed in an extension plate of the main body side hinge member. In the device, the shaft connection hole of the elastic member is provided with an opening limit piece that is elastically pressed to the outer peripheral surface of the hinge shaft, and the hinge shaft is provided with an opening limit jaw that catches the open limit piece, so that in the process of opening the door, A hinge device for a door is described that is capable of limiting the opening amount of a door by causing the opening limiting piece to catch on an opening limiting jaw when the elastic piece leaves the locking hole.

In the case of automatic doors in these door devices, there is a problem that it takes a lot of time to open and close due to safety considerations.

1. Korean Patent Registration No. 10-0689247 2. Korean Utility Model Registration No. 20-0411555 3. Korean Patent Registration No. 10-0990163 4. Korean Patent Registration No. 10-1298230

In order to improve the above problems, we propose a door device that can be opened or closed quickly by adding a slip function to the door hinge device and applying force by hand when opening or closing.

In particular, in the case of conventional door devices, a locking device is installed to prevent anyone other than the user from opening the door without permission, and such a locking device is often used as an electronic locking device that performs locking and unlocking operations electronically.

The problem of the present invention was proposed to solve the above-described conventional problems, and the purpose of the present invention is to secure safety while maintaining a firm connection with the door and, in particular, increasing the speed when opening and closing. The aim is to provide an automatic door device with an automatically closing door part that automatically stops the rotation of the hinge motor and takes into account the opening and closing speed of the door and user safety.

Accordingly, the main body and the door are coupled through a hinge device to open and close the interior of the main body through the door, which improves the speed when opening and closing the electronic door with a motor and prevents the closing operation of the door when a person's hand is caught. We would like to provide an automatic closing door part that takes safety into consideration.

The technical problems that this application seeks to solve are not limited to those described above.

In order to solve the above technical problem, the present invention includes a front panel 120 and a door frame 200 assembled with the front panel; and a door 300 disposed inside the door frame 200 to open or close the storage box. ; and a hinge part installed on one side of the door to rotate the door and a lock part installed on the other side of the door to lock the door, wherein the hinge part includes a motor that automatically opens and closes the door and the door. It is characterized by a door device with an automatic closing door part that takes into account opening and closing speed and safety by including a rotation stopper that stops the closing action of the door when a person's hand is caught when the door is closed.

At this time, the door has a front plate 370 disposed on the front, a lower side plate 320 disposed on the lower side, an upper side plate 310 disposed on the upper side, and a side plate disposed on one side of the front plate 370 ( 360) and another side plate 340 disposed at a predetermined position on the other side of the front plate 370 are formed, an upper hinge portion is formed on one side of the upper plate, and a lower hinge portion is formed on one side of the lower plate. .

In addition, the upper plate 310 is disposed vertically on the upper edge of the front plate 370, the lower plate 320 is disposed vertically on the lower edge of the front plate 370, and the one side plate 360 ) is arranged vertically on one edge of the front plate 370, and the other side plate 340 is formed to face the one side plate and is disposed at a certain distance inside the other edge of the front plate 370, A door lower hinge axis 321 included in the lower hinge part is formed on one side of the lower plate 320, and a door upper hinge is included in the upper hinge part and the hinge axis is inserted on one side of the upper plate 310. It is characterized in that a ball 311 is formed.

In addition, the door frame 200 is disposed in the opening 121 of the front panel 120, and includes an upper frame 210 disposed above the opening, a lower frame 220 disposed below the opening, and One side frame 260 disposed on one side of the opening and the other frame 240 disposed at a predetermined position on the other side of the opening are formed, an upper hinge portion is disposed on one side of the upper frame, and an upper hinge portion is disposed on one side of the lower frame. It includes a configuration in which the lower hinge portion is disposed.

In addition, the upper frame 210 is arranged vertically at the upper edge of the opening 121, the lower frame 220 is arranged vertically at the lower edge of the opening 121, and the one side frame 260 is It is disposed vertically at one side edge of the opening 121, and the other side frame 240 is formed to face the one side frame and is disposed at a certain distance inside the other side edge of the opening 121, and the lower frame 220 ), a frame lower hinge hole 221 included in the lower hinge portion is formed on one side, and a frame upper hinge hole 211 included in the upper hinge portion and into which the hinge axis is inserted is formed on one side of the upper frame 210. can be formed.

At this time, a motor 410 that rotates the door around the hinge and a rotation stopper that stops the closing action of the door when a person's hand is caught are disposed in the upper hinge portion, and a rotation shaft 430 rotated by the motor. and the central axes of the rotation stop are arranged on the same line so that the rotation axis and the rotation stop rotate together.

And between the rotation shaft 430 and the motor, a reducer 420 is provided to slow down the rotation of the motor shaft and transmit it to the rotation shaft, thereby reducing the rotation of the motor shaft and transmitting it to the rotation shaft.

Furthermore, the rotation axis is provided with an upper cylindrical part 440 that rotates together with the rotation axis, and the upper surface of the upper cylindrical part is provided with a protruding groove that is inserted and assembled into the door upper hinge hole 311 and the frame upper hinge hole 211. A support portion 445 is provided so that the door is hingedly supported on the door frame by the protruding hinge portion and the door lower hinge axis 321, so that the door rotates to open and close.

In addition, the upper cylindrical portion is formed with a rotating through hole 441 that penetrates from the protruding hinge portion to the lower surface of the upper cylindrical portion, and the rotating shaft is inserted into the rotating through hole 441 so that when the rotating shaft rotates, the upper cylinder The parts rotate together, and the lower surface of the upper cylindrical part is provided with a first surface 443 in which ridges and valleys are formed in the radial direction.

At this time, the rotation stop includes a lower rotating part 450 including a second surface 453 that rotates while engaging with the first surface 443, and a bracket coupled to the lower rotating part and one side of the door, wherein the second surface A ridge is formed so as to protrude from the upper surface of the lower rotating part and engage with the ridge of the first surface 443 of the upper cylindrical part, and the upper surface of the lower rotating part 450 is in communication with the rotating through hole 441. A communicating through hole 451 is formed, and a communicating boring hole 452 having the same axis as the communicating through hole and having a large diameter is formed on the lower surface of the lower rotating part 450, and the communicating boring hole and communicating pipe of the lower rotating part are formed. As the coupling screw 470 that sequentially passes through the through hole and the rotating through hole of the upper cylindrical portion and is screwed to the rotating shaft or the rotating through hole is inserted and disposed, the upper cylindrical portion rotates while being inserted into the rotating shaft. The lower rotating part is rotated by transmitting a rotational force through the obstetric bone connected to the first surface 443.

In addition, a gap is formed between the coupling screw head 472 and the first surface 443 so that the lower rotating part moves up and down between the coupling screw head 472 and the first surface 443, The communicating boring hole 452 is equipped with a spring 471 to push the lower rotating part upward with the elasticity of the spring so that the ridge of the second surface engages with the ridge of the first surface 443 and rotates, When a load is applied to the lower rotating part enough to overcome the elasticity of the spring, the lower rotating part moves downward, and the ridges of the second surface slip with the ridges of the first surface 443, and the lower rotating part continues. When a load is applied to the rotating part, the process of moving the lower rotating part downward occurs repeatedly and the rotation of the lower rotating part stops.

The ridges of the first surface 443 and the ridges of the second surface are formed in a circular shape, so that they slip against each other when a load is applied to the lower rotating part.

The bracket consists of a second bracket 460 coupled to the door and a first bracket 467 disposed to face the second bracket 460, and the first bracket and the second bracket are screwed together and centrally connected. A space is formed in the space, and the space is formed to have a square cross-section so that rotational force can be transmitted while the lower rotating part moves up and down. When the door is not closed, a load is caught on the lower rotating part, and the lower rotating part uses a spring 471. It moves downward by overcoming the elastic force of and has the characteristic that the rotational force of the upper cylindrical part is not transmitted to the lower rotating part, so the rotational force of the motor is not transmitted to the door.

At this time, the locking unit may be installed selectively or simultaneously with the first locking unit 520, which is locked/unlocked by an electromagnet, or the second locking unit 510, which is locked/unlocked by a hook.

The first lock unit operates as an electromagnet according to commands from the control unit (not shown) to lock or unlock the door, and the second lock unit pushes the hook forward according to commands from the control unit to fit into the groove of the fitting part 331 installed on the door. It is unlocked by inserting it into the hook or moving the hook backward to remove it from the fitting portion 331.

At this time, a locking detection unit 332 is provided on one side of the door unit to detect whether the door is locked, and stability is further improved by transmitting the locking or unlocking information of the door to the control unit.

According to an embodiment of the present application, the door device having an automatic closing door part considering the opening and closing speed and safety of the present invention as described above includes a rotation stop part with a spring inserted inside the hinge part coupled to the door, It is expected to provide an automatic door device with an automatic closing door that takes into account the opening and closing speed of the door and user safety by automatically stopping the rotation of the hinge motor to ensure safety while maintaining high speed.

Figure 1 is a diagram showing a door device equipped with an automatically closing door unit according to the present invention.
Figure 2(a)(b)(c) briefly shows a door frame according to an embodiment of the present invention.
Figure 3(a)(b)(c) briefly shows a door 300 according to an embodiment of the present invention.
Figure 4(a)(b) shows the disassembled state of the upper white part and the rotation stop part according to an embodiment of the present invention.
Figure 5 shows the assembled state of the upper white part and the rotation stop part according to an embodiment of the present invention.
Figure 6 briefly shows the right side of the storage box door according to an embodiment of the present invention.
Figure 7 is a right rear view of a door equipped with an electromagnet lock according to an embodiment of the present invention.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the attached drawings. However, the technical idea of the present invention is not limited to the embodiments described herein and may be embodied in other forms. Rather, the embodiments introduced herein are provided so that the disclosed content will be thorough and complete and so that the spirit of the present invention can be sufficiently conveyed to those skilled in the art.

In this specification, when an element is referred to as being on another element, it means that it may be formed directly on the other element or that a third element may be interposed between them. Additionally, in the drawings, the thicknesses of films and regions are exaggerated for effective explanation of technical content.

Additionally, in various embodiments of the present specification, terms such as first, second, and third are used to describe various components, but these components should not be limited by these terms. These terms are merely used to distinguish one component from another. Accordingly, what is referred to as a first component in one embodiment may be referred to as a second component in another embodiment. Each embodiment described and illustrated herein also includes its complementary embodiment. Additionally, in this specification, 'and/or' is used to mean including at least one of the components listed before and after.

In the specification, singular expressions include plural expressions unless the context clearly dictates otherwise. In addition, terms such as "include" or "have" are intended to designate the presence of features, numbers, steps, components, or a combination thereof described in the specification, but are not intended to indicate the presence of one or more other features, numbers, steps, or components. It should not be understood as excluding the possibility of the presence or addition of elements or combinations thereof.

In addition, in the following description of the present invention, if a detailed description of a related known function or configuration is judged to unnecessarily obscure the gist of the present invention, the detailed description will be omitted.

According to an embodiment of the present invention, the door of a storage box can be easily coupled with the door, and at the same time, the coupled state can be firmly maintained, and an automatic closing door can improve the opening and closing speed when opening and closing and ensure the safety of the user. A door device having a portion is provided.

Hereinafter, a door device having an automatically closing door part considering safety of the present invention will be described with reference to FIGS. 1 to 7.

Figure 1 shows a storage box equipped with an automatically closing door part according to the present invention, Figure 2 (a) (b) (c) briefly shows a door frame according to an embodiment of the present invention, and Figure 3 ( a)(b)(c) briefly illustrate the door 300 according to an embodiment of the present invention, and Figure 4(a)(b) shows the upper white portion and the rotation stop portion according to an embodiment of the present invention. It shows the disassembled state, Figure 5 shows the assembled state of the upper white part and the rotation stop according to an embodiment of the present invention, and Figure 6 briefly shows the right side of the storage box door according to an embodiment of the present invention. 7 briefly shows the right side state of a door equipped with an electromagnet lock unit according to an embodiment of the present invention.

1 and 2, in the door of the storage box 100, there is a front panel 120 and a door frame 200 assembled with the front panel; and a door frame 200 disposed inside the door frame 200 to open or close the storage box. A door 300; comprising a hinge part installed on one side of the door to rotate the door and a lock part installed on the other side of the door to lock the door, wherein the hinge part is configured to automatically open the door. It includes a motor that opens and closes and a rotation stopper that stops the closing motion of the door when a person's hand is caught when the door is closed.

In addition, the door frame 200 is disposed in the opening 121 of the front panel 120, and includes an upper frame 210 disposed above the opening, a lower frame 220 disposed below the opening, and One side frame 260 disposed on one side of the opening and the other frame 240 disposed at a predetermined position on the other side of the opening are formed, an upper hinge portion is disposed on one side of the upper frame, and an upper hinge portion is disposed on one side of the lower frame. It includes a configuration in which the lower hinge portion is disposed.

At this time, the upper frame 210 is arranged vertically at the upper edge of the opening 121, the lower frame 220 is arranged vertically at the lower edge of the opening 121, and the one side frame 260 is It is disposed vertically at one side edge of the opening 121, and the other side frame 240 is formed to face the one side frame and is disposed at a certain distance inside the other side edge of the opening 121, and the lower frame 220 ), a frame lower hinge hole 221 included in the lower hinge portion is formed on one side, and a frame upper hinge hole 211 included in the upper hinge portion and into which the hinge axis is inserted is formed on one side of the upper frame 210. is formed.

As shown in Figure 3, the door has a front plate 370 disposed on the front, a lower plate 320 disposed on the lower side, an upper plate 310 disposed on the upper side, and the front plate 370. One side plate 360 disposed on one side and the other side plate 340 disposed at a predetermined position on the other side of the front plate 370 are formed, an upper hinge portion is formed on one side of the upper plate, and the lower plate A lower hinge portion is formed on one side.

In addition, the upper plate 310 is arranged vertically at the upper edge of the front plate 370, The lower plate 320 is arranged vertically on the lower edge of the front plate 370, the one side plate 360 is arranged vertically on one side edge of the front plate 370, and the other side plate 340 is formed to face the one side plate and is disposed at a certain distance inside the other edge of the front plate 370, and a door lower hinge axis 321 included in the lower hinge portion is located on one side of the lower plate 320. A door upper hinge hole 311 is formed on one side of the upper plate 310, which is included in the upper hinge part and into which the hinge axis is inserted.

At this time, as shown in Figure 3 (c), a fitting base 330 and a fitting part 331 may be provided on one vertical side of the other edge of the other side plate 340, and the other side plate 340 A predetermined inner plate 350 provided on the other side may be provided with a first o'clock key part installation hole 351, which is a hole for mounting the first o'clock key part to the door frame.

Next, referring to Figures 4 and 5, it can be seen that a rotation stop is provided to implement an automatic closing door part considering safety according to an embodiment of the present invention.

As shown in Figure 4, a motor 410 that rotates the door around the hinge and a rotation stopper that stops the door from closing when a person's hand is caught are disposed in the upper white part, as shown in the exploded perspective view of Figure 4. As can be seen, the rotation shaft 430 rotated by the motor and the central axis of the rotation stop are arranged on the same line, so that the rotation shaft and the rotation stop rotate or stop together.

At this time, a reducer 420 is provided between the rotation shaft 430 and the motor to slow down the rotation of the motor shaft and transmit it to the rotation shaft, thereby reducing the rotation of the motor shaft and transmitting it to the rotation shaft.

In order to connect the reducer 42 to the door frame, it is preferable that a reducer bracket 480 is provided as shown in FIG. 6.

In addition, the rotation axis is provided with an upper cylindrical part 440 that rotates together with the rotation axis, and the upper surface of the upper cylindrical part has the door upper hinge hole 311 of Figure 3 (b) and the upper cylindrical part of Figure 2 (b). A protruding hinge portion 445 that is inserted into and assembled into the frame upper hinge hole 211 is provided, and the door is supported by a hinge on the door frame by the protruding hinge portion and the door lower hinge axis 321, so that the door rotates. It opens and closes while exercising.

And the upper cylindrical part is formed with a rotating through hole 441 that penetrates from the protruding white branch to the lower surface of the upper cylindrical part, and the rotating shaft is inserted into the rotating through hole 441 and when the rotating shaft rotates, the upper cylinder The parts 440 rotate together, and the lower surface of the upper cylindrical part 440 is provided with a first surface 443 in which peaks and valleys are formed in the radial direction.

That is, the ridges and valleys of the first surface 443 and the ridges and valleys of the second surface are formed in a circular shape so that they can slip against each other when a load is applied to the lower rotating part.

In the above structure, the bracket consists of a second bracket 460 coupled to the door and a first bracket 467 disposed to face the second bracket 460, and includes an upper cylindrical portion 440 and a lower rotating portion 450. In an enveloping form, the first bracket and the second bracket are screwed together to form a space in the center, and the space has a square cross-section so that the lower rotating part can transmit rotational force while moving up and down.

As shown in Figure 4 (a), the bracket includes a first bracket connection hole 454, which is a hole connecting the upper cylindrical connection hole 454a of the first bracket and the lower rotating part, and a hole for connecting the second bracket and the door. Door connection hole 461, first connection hole 462, which is a hole for coupling the first bracket to the second bracket, first coupling hole 462a, which is a hole for coupling the second bracket to the first bracket, second bracket A second connection hole 463, which is a hole for coupling the first bracket to the first bracket, a second coupling hole 463a, which is a hole for coupling the second bracket to the first bracket, and a lower through hole 466, which is a through hole for the coupling screw to pass through. ) is preferably provided to proceed with the combination.

And at this time, if the door is not closed, as the load is caught on the lower rotating part and the lower rotating part overcomes the elastic force of the spring 471 and moves downward, the rotational force of the upper cylindrical part is not transmitted to the lower rotating part and the motor is not connected to the door. It has a structure in which rotational force is not transmitted.

Next, as shown in FIG. 5, the rotation stop has a lower rotating part 450 including a second surface 453 that rotates while engaging with the first surface 443, and a bracket coupled to the lower rotating part and one side of the door. Included, the second surface protrudes from the upper surface of the lower rotating part and is formed with a ridge so as to engage with the ridge of the first surface 443 of the upper cylindrical part.

In addition, a communicating through-hole 451 is formed on the upper surface of the lower rotating part 450 and is in communication with the rotating through-hole 441, and on the lower surface of the lower rotating part 450, it has the same axis as the communicating through-hole and has a diameter. A large communicating boring hole 452 is formed, sequentially passes through the communicating boring hole and communicating through hole of the lower rotating part, and the rotating through hole of the upper cylindrical part, and is screwed to the rotating shaft or the rotating through hole. A coupling screw 470 As it is inserted and disposed, the upper cylindrical part rotates while being inserted into the rotation shaft, and the lower rotating part rotates by transmitting a rotational force by the peaks and valleys connected to the first surface 443.

And a gap is formed between the coupling screw head 472 and the first surface 443 so that the lower rotating part moves up and down between the coupling screw head 472 and the first surface 443, The communicating boring hole 452 is equipped with a spring 471 to push the lower rotating part upward with the elasticity of the spring so that the ridges and ridges of the second surface engage with the ridges and valleys of the first surface 443 and rotate.

At this time, when a load is applied to the lower rotating part enough to overcome the elasticity of the spring, the lower rotating part moves downward and the ridge of the second surface slips with the ridge of the first surface 443, and continues. When a load is applied to the lower rotating part, the process of moving the lower rotating part downward occurs repeatedly and the rotation of the lower rotating part stops.

Through this, the present invention includes a configuration provided with a rotation stop that applies a load to the lower rotating part connected through the door and bracket when the door does not close due to a hand being caught in the door gap, foreign matter being caught, or a malfunction. I do it.

Furthermore, referring to Figures 6 and 7, first, the lock part includes a first lock part 520 that is locked/unlocked by an electromagnet or a second lock part 510 that is locked/unlocked by a hook, which is optionally installed or together. Can be installed simultaneously.

At this time, the first lock unit operates as an electromagnet according to commands from the control unit (not shown) to lock or unlock the door, and the second lock unit pushes the hook forward according to commands from the control unit to lock the fitting part 331 installed on the door. It has a structure that can be locked by inserting it into a groove or removed from the fitting portion 331 by moving the hook backward and unlocked.

In addition, a locking detection unit 332 is provided on one side of the door unit to detect whether the door is locked, and the locking or unlocking information of the door is transmitted to the control unit.

Through this, the present invention provides a self-closing door part that can be easily coupled to the door and at the same time maintains the coupled state firmly, and takes safety into consideration to prevent the user's hand or other items from being caught when opening and closing.

Above, the present invention has been described in detail using preferred embodiments, but the scope of the present invention is not limited to the specific embodiments and should be interpreted in accordance with the appended claims. Additionally, those skilled in the art should understand that many modifications and variations can be made without departing from the scope of the present invention.

100: storage box 120: front panel
121: opening 200: door frame
210: upper frame 211: upper frame hinge hole
220: Lower frame 221: Frame lower hinge hole
230: Second City Construction Installation Department 231: Fitting section passing hole
232: Locking detection unit pass-through hole 240: Other frame
250: Door stopper 252: 1st city gun operator
260: One side frame 280: Frame bracket
300: Door 310: Upper plate
311: Door upper hinge hole 320: Lower plate
321: Door lower hinge axis 330: Fitting base
331: Fitting part 332: Locking detection part
340: other side plate 350: inner plate
351: 1st City Construction Installer 370: Front panel
400: upper white part 410: motor
420: Reducer 430: Rotating shaft
440: Upper cylindrical part 441: Rotating through hole
443: first side 445: protruding white branch
450: lower rotating part 451: communication through hole
452: Pipe boring hole 453: 2nd side
454: First bracket connection hole 454a: Upper cylindrical connection hole
460: Second bracket 461: Door connection hole
462: first connection hole 462a: first coupling hole
463: second connection hole 463a: second coupling hole
466: Lower through-hole 467: First bracket
470: coupling screw 471: spring
472: Combined screw head 480: Reducer bracket
510: 2nd o'clock condition 520: 1st o'clock condition

Claims (8)

In the door of the storage box (100)
Front panel 120 and door frame 200 assembled with the front panel; and
A door 300 disposed inside the door frame 200 to open or close the storage box;
A hinge part installed on one side of the door to rotate the door
It includes a locking part installed on the other side of the door to lock the door,
The hinge part includes a motor that automatically opens and closes the door and a rotation stopper that stops the closing motion of the door when a person's hand is caught when the door is closed. A door having an automatic closing door part that takes into account opening and closing speed and safety. Device. In paragraph 1
The door has a front plate 370 disposed on the front, a lower side plate 320 disposed on the lower side, an upper side plate 310 disposed on the upper side, and a side plate 360 disposed on one side of the front plate 370. ), and another side plate 340 is formed at a predetermined position on the other side of the front plate 370, an upper hinge portion is formed on one side of the upper plate, and a lower hinge portion is formed on one side of the lower plate. A door device with an automatic closing door that features opening and closing speed and safety. In paragraph 2
The upper plate 310 is arranged vertically at the upper edge of the front plate 370,
The lower plate 320 is arranged vertically at the lower edge of the front plate 370,
The one side plate 360 is arranged vertically on one side edge of the front plate 370, and the other side plate 340 is formed to face the one side plate and is a certain distance inside the other side edge of the front plate 370. It is placed in
A door lower hinge shaft 321 included in the lower hinge portion is formed on one side of the lower plate 320, and a door upper portion included in the upper hinge portion and on which the hinge shaft is inserted is formed on one side of the upper plate 310. A door device having an automatic closing door unit considering opening/closing speed and safety, characterized in that a hinge hole (311) is formed. In paragraph 2
The door frame 200 is disposed in the opening 121 of the front panel 120, and includes an upper frame 210 disposed above the opening, a lower frame 220 disposed below the opening, and One side frame 260 disposed on one side of the opening and the other frame 240 disposed at a predetermined position on the other side of the opening are formed, an upper hinge portion is disposed on one side of the upper frame, and a lower frame is disposed on one side of the lower frame. A door device having an automatic closing door part that takes into account opening and closing speed and safety, characterized by a hinge part. In paragraph 4
The upper frame 210 is arranged vertically at the upper edge of the opening 121,
The lower frame 220 is arranged vertically at the lower edge of the opening 121,
The one side frame 260 is arranged vertically at one side edge of the opening 121, and the other side frame 240 is formed to face the one side frame and is disposed at a certain distance inside the other side edge of the opening 121. And
A frame lower hinge hole 221 included in the lower hinge portion is formed on one side of the lower frame 220, and a frame upper portion included in the upper hinge portion and into which the hinge axis is inserted is formed on one side of the upper frame 210. A door device having an opening/closing speed considering safety and an automatic closing door part considering safety, characterized in that a hinge hole 211 is formed. In paragraph 2 or 4
In the upper hinge part, a motor 410 that rotates the door around the hinge and a rotation stopper that stops the door from closing when a person's hand is caught are disposed, and a rotation shaft 430 rotated by the motor and The central axis of the rotation stop is arranged on the same line, and the rotation axis and the rotation stop are formed to rotate together. A door device having an automatic closing door unit considering opening and closing speed and safety. In paragraph 6
A reducer 420 is provided between the rotation shaft 430 and the motor to reduce the rotation of the motor shaft and transmit it to the rotation shaft, thereby reducing the rotation of the motor shaft and transmitting it to the rotation shaft. A door device with an automatic closing door part that takes safety into account. In paragraph 6
The rotation axis is provided with an upper cylindrical portion 440 that rotates together with the rotation axis,
The upper surface of the upper cylindrical part is provided with a protruding hinge part 445 that is inserted and assembled into the door upper hinge hole 311 and the frame upper hinge hole 211, and is connected to the protruding hinge part and the door lower hinge axis 321. A door device having an automatic closing door unit in consideration of opening and closing speed and safety, wherein the door is supported by a hinge on the door frame and the door rotates to open and close.