KR101550235B1 - Storage box for optical film - Google Patents

Abstract

The present invention relates to a storage box for an optical film having improved sealability, comprising: a cover wherein a multi-stage cover outer wall is provided, and an accommodating space is provided inside; an intermediate plate having a holder to support a side of an optical film to make the optical film be seated inside the cover; and a bottom plate to support an intermediate plate wherein a multi-stage bottom plate outer wall is provided. In addition to this, a hinge is provided to make the cover and the bottom plate adhere and be fixated to each other. The bottom plate has a honeycomb. According to an embodiment of the present invention, a plurality of protrusions is provided on the multi-stage cover outer wall and the multi-stage bottom plate outer wall to make the protrusions be engaged with each other in order to prevent an inflow of foreign substances. A sealing member is inserted into a space between the protrusions to improve sealability. A rotatable hinge wherein first and second wings have a bending structure to press the cover and bottom plate allows for effective sealing.

Description

Optical film storage box {Storage box for optical film}

The present invention relates to an optical film storage box, and more particularly, to an optical film storage box having a closed structure for preventing inflow of foreign matter and protecting an optical film from an external impact in storing and transporting an optical film.

In general, the types of sheets for display can be classified into optical sheets such as polarizing films, diffusion, reflection, and prisms, and encaps sheets such as metal sheet adhesive sheets.

In particular, display films are produced through manufacturing processes such as tensile, extrusion, surface coating, lamination, and cutting for imparting functionality to resin films. Such a display film is usually manufactured through various processes such as superposing a special film. When the operation is completed in one unit process, the display film is housed in a storage case for subsequent movement between processes, leading to a subsequent process.

 However, it is important to prevent damage to the optical film due to the influence of impurities, scratches, moisture, temperature, external impact, load weight, etc. during the transferring process of the manufacturing process or the transfer waiting stage.

In order to solve these problems, a conventional method of carrying a display film by using a coverless housing has been used. However, due to the additional process of packaging to eliminate the influence of foreign substances or moisture, a lot of work and manpower are required And there was a difficulty in handling such as scratches or breakage on the film surface during the packaging process.

 In order to solve such a problem, there has been proposed a method for mounting a cradle having a slider which is formed of a synthetic resin material in a housing and slidable to fit the size of a display film to be mounted, A technique has been developed for a film packing case for a display which is capable of preventing scratches and static electricity on the film surface which may be generated during transportation by closing the lid while the member is seated and the packed film inside does not move.

However, in the conventional method of joining the lid, the tray and the lid are not fixed properly, so that the lid is detached due to internal shock, external impact, worker's carelessness, and the optical film is damaged. Also, since the tray and the cover are not closed, they are influenced by foreign matter, humidity, and the like. Therefore, in order to solve the problems related to the related art, there is a need to stably fix the optical film in accordance with the optical film size, to easily mount the optical film, to effectively block the inflow of external air, and to simplify the configuration of the entire components.

It is an object of the present invention in accordance with the above needs to enhance the sealing between the cover and the bottom plate and it is necessary to introduce a reinforcing material capable of holding the weight of the optical film and to improve the stability of the lamination And to provide an optical film storage box that can be secured.

In order to achieve the above object, an optical film storage box according to an embodiment of the present invention comprises: a cover having a multi-stage cover outer wall and having a receiving space therein; An intermediate plate having a holder for supporting a side surface of the optical film for seating the optical film inside the cover; And a bottom plate having a plurality of bottom plate outer walls and supporting the intermediate plate.

The first inner protruding portion and the first outer protruding portion are downwardly formed at the lowermost end of the outer wall of the cover and have a first space surrounded by the first inner protruding portion and the first outer protruding portion, The second inner protruding portion and the second outer protruding portion are upwardly formed and have a second space surrounded by the second inner protruding portion and the second outer protruding portion, And the protruding portions at the uppermost end of the plate outer wall are structured to be shifted and engaged with each other.

In addition, a sealing member is inserted into at least one of the first space and the second space.

The first wing portion and the second wing portion may be formed as a turnable hinge and a hinge release preventing hook located at the bottom of the outer wall of the cover. And the first wing portion and the second wing portion are formed in a folded structure so that the second wing portion can press the upper end lower surface of the outer wall of the bottom plate.

In addition, the other part of the first wing portion may further include a hinge position fixing protrusion for fixing the hinge when the cover and the bottom plate are unlocked.

A hinge protrusion is formed on the second wing portion, and a lock groove is formed on a lower surface of an uppermost end of the outer wall of the bottom plate to engage with the hinge protrusion.

Further, a honeycomb is attached to the upper surface of the bottom plate.

A protruding end is formed on an upper surface of the cover, and a loading groove is formed on a lower surface of the bottom plate to engage with the protruding end.

In addition, a plurality of compartment spaces are formed in the upper surface of the bottom plate by providing a grid bar.

Further, the partition space is characterized in that a honeycomb is attached.

According to an embodiment of the present invention, a plurality of protrusions are formed on the outer wall of the multi-stage cover and the outer wall of the multi-stage bottom plate, respectively, and the protrusions are engaged with each other.

In addition, the sealing member is inserted between the projecting portions. In particular, since the sealing member is double in the present invention, the sealing property can be further enhanced.

Further, since the first wing and the second wing are provided with the rotatable hinge formed in a bent structure, the cover and the bottom plate can be pressed to efficiently seal.

In addition, since the hinge position fixing protrusion for fixing the hinge when the cover and the bottom plate are unlocked is further provided on the first wing, the operator does not interrupt the operation during the process of loading and unloading the polarizing film on the storage box, Efficiency is increased.

A hinge protrusion is formed on the second wing portion. A locking groove engaging with the hinge protrusion is formed on a lower surface of an uppermost end of the outer wall of the bottom plate to further improve the sealing efficiency of the hinge. Further, the honeycomb is attached to the upper surface of the bottom plate, thereby supporting the weight of the optical film and efficiently protecting the optical film from external impacts.

In addition, since the protruding end is formed on the upper surface of the cover and the loading groove is formed on the lower surface of the bottom plate so as to engage with the protruding end, the stability of the storage increases when several optical film storage boxes are stacked.

1 is an exploded view of an optical film storage box according to an embodiment of the present invention;
BACKGROUND OF THE INVENTION 1. Field of the Invention [0001]
3 is a sectional view of an optical film storage box according to an embodiment of the present invention.
4 is a hinge structure of an optical film storage box according to an embodiment of the present invention.
5 is an illustration of an example of hinge fixing of an optical film storage box according to an embodiment of the present invention.
6 is an external view of an optical film storage box according to an embodiment of the present invention.
7 is a bottom view of an optical film storage box according to an embodiment of the present invention.
Figure 8 is a honeycomb attached to a bottom plate of an optical film storage box according to an embodiment of the present invention.
9 is a bottom view of a bottom of the optical film storage box according to an embodiment of the present invention.
10 is an exemplary view showing an optical film storage box according to an embodiment of the present invention loaded on a truck.
11 is an enlarged view of a cart and a guide for loading an optical film storage box according to an embodiment of the present invention.

BRIEF DESCRIPTION OF THE DRAWINGS The objectives, specific advantages and novel features of the present invention will become more apparent from the following detailed description taken in conjunction with the accompanying drawings, in which: FIG. It should be noted that, in the present specification, the reference numerals are added to the constituent elements of the drawings, and the same constituent elements are assigned the same number as much as possible even if they are displayed on different drawings. In the following description, well-known functions or constructions are not described in detail since they would obscure the invention in unnecessary detail.

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

1 is an exploded view of an optical film storage box according to an embodiment of the present invention. Since Fig. 1 schematically shows the vertical positional relationship between the respective components, the detailed shape of the components and the added components will be clarified in Fig. 2 and below.

Referring to FIG. 1, an optical film storage box according to an embodiment of the present invention includes a cover 100, a first sealing member 200, an intermediate plate 300, a second sealing member 400, And a bottom plate 500.

The cover 100 has a square shape and has a plurality of cover outer walls 110. The cover 100 has a space for accommodating the intermediate plate 300 and an optical film. The material of the cover 100 may be an antistatic ABS resin and may be a transparent material to confirm the contents of the load.

The first sealing member 200 has a rectangular band shape and is inserted into a space between a plurality of protrusions formed at the lowermost end of the cover outer wall 110 to enhance airtightness. Also, the material of the first sealing member 200 may be silicon.

The intermediate plate 300 has a holder for holding the optical film inside the cover 100 and supporting the side surface of the optical film. Specifically, the holder is divided into a fixed holder and a movable holder, and the movable holder moves along the guide rail to efficiently support the optical films of various sizes. The material of the intermediate plate 300 may be an antistatic ABS resin, or may be a colored material.

The bottom plate 500 has a rectangular shape and includes a plurality of bottom plate outer walls 510 and a space for receiving and supporting the intermediate plate 300. The material of the bottom plate 500 may be an antistatic ABS resin, or may be a transparent or colored material.

The second sealing member 400 has a rectangular band shape and is inserted into a space between a plurality of protrusions formed at the uppermost end of the bottom plate outer wall 510 to enhance airtightness. Also, the material of the second sealing member 400 may be silicon.

2 is a detailed structural view of an intermediate plate of an optical film storage box according to an embodiment of the present invention.

Referring to FIG. 2, the intermediate plate 300 is accommodated and fastened on the bottom plate 500. A protrusion formed on an upper surface of the bottom plate 500 may be fastened in a manner to be inserted into a through hole formed in the intermediate plate 300 or a groove formed in a lower surface of the intermediate plate 300. [ It is needless to say that protrusions formed on the upper surface of the bottom plate 500 should not be exposed to the upper surface of the intermediate plate 300 when fitting through the through holes.

2, a fixed holder 310 and a moving holder 320 are provided on the upper surface of the intermediate plate 300 with a proper clearance from the multi-stage bottom plate outer wall 510, Respectively. The fixed holder 310 is fixedly attached to a certain side of the intermediate plate 300 in order to support the side surface of the optical film. The number of the fixed holders 310 is, for example, .

Meanwhile, the movement holder 320 can be moved along the guard rail 321 by being positioned on a side different from the side to which the fixed holder 310 is attached. The number of the movable holder 320 and the number of the guard rails 321 may be seven, for example, as shown in FIG.

The guiding rail 321 is formed with a rectangular opening in the guiding direction and is embedded in the intermediate plate 300. In addition, the movable holder 320 may be provided with a fitting piece corresponding to a length of a small side of the rectangular opening at a lower portion of the moving holder 320. The moving holder 320 is provided with a handle 322 and a bolt is inserted into the handle 322 and penetrates the moving holder 320 and is coupled to the nut at the lower surface of the rectangular opening. Therefore, the movable holder 320 can be fixed to any position of the guard rail 321 by moving the movable holder 320 according to the size of the optical film and turning the handle 322.

3 is a cross-sectional view of an optical film storage box according to an embodiment of the present invention.

Referring to FIG. 3, the optical film storage box has a multi-stage cover outer wall 110 on the cover 100, and a multi-stage bottom plate outer wall 510 is provided on the bottom plate 500. According to one embodiment, the cover outer wall 110 can be composed of three stages (1 ', 2', 3 '), and the bottom plate outer wall 510 has three stages , Two stages, three stages). Here, the first end is the bottom end of the cover outer wall 110, and the third end is the top end of the bottom plate outer wall 510.

The first inner protruding portion 112 and the first outer protruding portion 111 are formed downward at the lower end of the cover outer wall 110 so that the first inner protruding portion 112 and the first outer protruding portion 111 And a first space surrounded by the first space. The second inner protruding portion 511 and the second outer protruding portion 512 are formed upward at the upper end of the bottom plate outer wall 510 so that the second inner protruding portion 511 and the second outer protruding portion 512 And a second space surrounded by the second space.

The protrusion of the lowermost end of the cover outer wall 110 and the protrusion of the uppermost end of the bottom plate outer wall 510 are mutually shifted and engaged with each other. Specifically, as shown in FIG. 3, the second outer protrusion 512 may be a tooth engaging coupling into the first space. According to another embodiment, unlike FIG. 3, the first outer protrusion 111 may be a tooth engaging coupling into the second space.

That is, if necessary, the first outer protrusion 111 may be at the outermost position or the second outer protrusion 512 may be at the outermost position.

Since the optical film storage box according to the present invention has a double bond structure, the cover 100 and the bottom plate 500 can be stably bonded. Also, the first sealing member 200 may be inserted into the first space, and the second sealing member 400 may be inserted into the second space. That is, at least one of the sealing members 200 and 400 may be inserted into the space. In some cases, the sealing members 200 and 400 may be used together to be inserted into the space. As a result, the optical film storage box is tightly sealed.

4 is a hinge structure of an optical film storage box according to an embodiment of the present invention.

3 and 4, the hinge 600 is a rotatable fastening means in which the first wing 610 and the second wing 620 are formed in a bent structure. A hinge release preventing hook 130 located at the bottom of the cover outer wall 110 is further provided and an opening 630 and a hinge rod 640 are formed on a part of the first wing portion 610, And is rotatable about the hinge release preventing hook 130. The material of the hinge 600 may be colored as polypropylene (PP).

In addition, the hinge release preventing hook 130 may be heated at the bottom end of the cover outer wall 110 in a vertical direction, and may be bent in the direction of the bottom surface 120 of the outer cover wall 110. According to another embodiment of the present invention, the hinge release preventing hook 130 may be bent in the direction of the side surface 120 by heating after injecting the hinge release preventing hook 130 in the vertical direction on the side surface 120.

The first wing portion 610 and the second wing portion 620 may have a bent structure so that the second wing portion 620 can press the bottom surface of the upper end of the bottom plate outer wall 510 . The distance between the first wing portion 610 and the second wing portion 620 corresponds to the distance between the lowermost end of the cover outer wall 110 and the upper end of the bottom plate outer wall 510, Shape.

A hinge protrusion 621 may be further formed on the second wing portion 620 and a locking groove 513 engaging with the hinge protrusion 621 may be formed on a bottom surface of the upper end of the bottom plate outer wall 510, Can be formed. Accordingly, the cover 100 and the bottom plate 500 can be coupled more stably.

5 is a view illustrating an example of hinge fixing of an optical film storage box according to an embodiment of the present invention.

4 and 5, the optical film storage box is formed such that the hinge 600 is fixed to another portion of the first wing portion 610 when the cover 100 is unlocked between the cover 100 and the bottom plate 500 A hinge position fixing protrusion 611 may be further provided. The shape of the hinge-position fixing protrusion 611 may be a triangular prism.

5, A mode is a lock mode of the cover 100 and the bottom plate 500, B mode is a lock release mode of the cover 100 and the bottom plate 500, And is a fixed mode of the hinge 600 among the unlocking mode.

The reason why the hinge position fixing protrusion 611 should be provided will be described in detail. When the hinge 600 is pulled in the counterclockwise direction in the A mode, the hinge 600 is switched to the B mode. However, in the B mode, gravity-induced rotational force is generated on the hinge 600 with the hinge release preventing hook 130 as a central axis. As the rotational force is generated, the hinge 600 can be moved around the hinge release preventing hook 130 about the center axis.

In such a moving state, the operator may inconvenience the process of locking or unlocking the cover 100 and the bottom plate 500. Specifically, when the cover 100 is unlocked and the bottom plate 500 is unlocked, the hinge 600 is rotated by the rotational force to lower the upper surface of the bottom plate outer wall 510 Lt; / RTI > So that physical force is applied to the bottom plate 500 and the loaded optical film may be damaged. The hinge 600 may be caught by a part of the top surface of the top end of the bottom plate outer wall 510 by the rotational force in the process of coupling the cover 100 to the bottom plate 500.

In this way, the hinge 600 is caught by a part of the uppermost part of the outer wall 510 of the bottom plate. In order to prevent this, the operator must grasp the hinge 600 and hold the cover 100. However, considering the size and weight of the optical film storage box, this is very cumbersome. Therefore, the hinge 600 must be fixed in the unlocked state.

5, when the operator further rotates the hinge 600 in the counterclockwise direction in the B mode, the hinge position fixing protrusion 611 contacts the bottom surface 120 of the cover outer wall 110 . At this time, when the hinge 600 reaches the critical rotation angle, the hinge position fixing protrusion 611 has the maximum magnitude of the force applied to the bottom side 120 of the cover outer wall 110. Therefore, when the critical rotation angle is reached, the hinge 600 is stably fixed.

6 is an external view of an optical film storage box according to an embodiment of the present invention.

Referring to FIG. 6, a protruding end 140 is formed on an upper surface of the cover 100 so as to be engaged with a loading groove formed on a lower surface of the bottom plate 500 described later. Thus, the optical film storage box can be stably stacked. The plurality of protruding ends 140 may be arranged in a lattice structure.

Also, a plurality of hinges (600) may be provided to fix the cover (100) and the bottom plate (500). Also, a handle may be provided at an arbitrary position of the cover 100 or the bottom plate 500 so that the operator can handle the transportation. The handle may be a protruding handle, or may be a recessed handle.

7 is a bottom plate of an optical film storage box according to an embodiment of the present invention.

Referring to FIG. 7, a loading groove 520 corresponding to the protruding end 140 is formed on the bottom surface of the bottom plate 500. As the loading grooves 520 are formed, the upper surface of the bottom plate 500 may have a protruding shape. A grid bar 530 is provided on the top surface of the bottom plate 500 to form a plurality of compartment spaces.

8 is a honeycomb attached to a bottom plate of an optical film storage box according to an embodiment of the present invention.

Referring to FIG. 8, a honeycomb 700 is attached to an upper surface of a bottom plate 500 of an optical film storage box. Honeycomb is a honeycomb reinforced material made of sheet metal, resin processing material and so on. The non-compressive strength (specific compressive strength) from the upper and lower surfaces is high and light. When the honeycomb 700 is attached to the upper surface of the bottom plate 500, the weight of the optical film can be supported and the optical film can be stably stored.

The honeycomb 700 may be attached to a plurality of compartment spaces formed on the upper surface of the bottom plate 500 or a honeycomb may be attached to the upper surface of the bottom plate 500 without the grid bar 530 have.

FIG. 9 is a bottom view of a bottom plate of an optical film storage box according to an embodiment of the present invention, and FIG. 10 is a view illustrating an optical film storage box according to an embodiment of the present invention.

9 or 11, a plurality of lower protruding ends 501 having a predetermined width are formed on the lower surface of the bottom plate 500 of the optical film storage box, and the plurality of lower protruding ends 501 It is possible to stably store the optical film seated inside.

More specifically, as shown in FIG. 10, an optical film storage box (bottom plate) 500 is placed on a plurality of rollers 502 located on a carriage 503, The optical film storage box can be easily pushed in or out in the same direction as the optical film storage box.

In addition, guides 505 are disposed on both sides of the carriage 503 to facilitate insertion of the optical film storage box (bottom plate 500).

When the optical film storage box (bottom plate 500) according to the present invention is loaded on the carriage 503 and conveyed as the rollers 502 are positioned in predetermined grooves between the plurality of lower protruding ends 501 It is possible to prevent the shaking in the same direction as that in the case 500b.

In order to prevent the shake in the direction of 500a, a plurality of buffer parts 504 formed on the carriage 503 are fixed on both sides of the optical film storage box, one buffer part 504 is fixed, The buffer 504 is located in a door (not shown) formed in the truck 503.

Further, the buffer 504 is made of a material having a predetermined elasticity such as urethane or resin.

A door (not shown) formed on the carriage 503 is opened and the optical film storage box is inserted along the guide 505 so that the roller 502 is positioned between the plurality of lower protruding ends 501 .

The optical film storage box is inserted until it contacts the cushioning part 504 on one side and then the door (not shown) is closed so that the cushioning part 504 on one side of the door (not shown) And the shaking in the direction of 500a can be prevented by the buffer part 504 located on both sides.

It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit or scope of the invention as defined in the appended claims. It can be understood that it is possible.

100: cover 200: first sealing member
300: intermediate plate 400: second sealing member
500: bottom plate 501: bottom protruding end
502: roller 503:
504: Buffer 505: Guide
600: Hinge 611: Hinge position fixing projection
700: Honeycomb

Claims (11)

A cover 100 having a multi-stage cover outer wall 110 and having a receiving space therein;
An intermediate plate (300) having a holder for supporting a side surface of the optical film to seat the optical film inside the cover (100); And
A bottom plate 500 having a plurality of bottom plate outer walls 510 and supporting the intermediate plate 300,

A first inner protruding portion 112 and a first outer protruding portion 111 are formed downward at the lower end of the cover outer wall 110 so that the first inner protruding portion 112 and the first outer protruding portion 111 are surrounded by the first inner protruding portion 112 and the first outer protruding portion 111, A first space is provided,
A second inner protrusion 511 and a second outer protrusion 512 are formed upward at the upper end of the bottom plate outer wall 510 so that the second inner protrusion 511 and the second outer protrusion 512 And a second space surrounded by the first space,
The protrusion of the lowermost end of the cover outer wall 110 and the protrusion of the uppermost end of the bottom plate outer wall 510 are mutually shifted and engaged with each other,

A rotatable hinge 600 having a first wing portion 610 and a second wing portion 620 formed in a bent structure and a hinge release preventing hook 130 located at the lowermost end of the cover outer wall 110 are further provided And he said,
An opening 630 and a hinge rod 640 are formed on a part of the first wing 610 so that the hinge rod 640 can be engaged with the hinge release preventing hook 130,
The first wing portion 610 and the second wing portion 620 are bent so that the second wing portion 620 can press the bottom surface of the uppermost end of the bottom plate outer wall 510 Optical film storage box.
delete The method according to claim 1,
And a sealing member is inserted into at least one of the first space and the second space.
delete The method according to claim 1 or 3,
A hinge position fixing protrusion 611 for fixing the hinge 600 when the cover 100 and the bottom plate 500 are unlocked is further provided on another portion of the first wing portion 610 Optical film storage box with.
6. The method of claim 5,
A hinge protrusion 621 is formed on the second wing portion 620 and a locking groove is formed on a lower surface of the upper end of the bottom plate outer wall 510 to engage with the hinge protrusion 621 Optical film storage box with.
The method according to claim 1 or 3,
And a honeycomb is attached to an upper surface of the bottom plate (500).
The method according to claim 1 or 3,
A protruding end 140 is formed on an upper surface of the cover 100 and a loading groove 520 is formed on a lower surface of the bottom plate 500 to engage with the protruding end 140. Optical film storage box.
9. The method of claim 8,
And a grid bar (530) is provided on an upper surface of the bottom plate (500) to form a plurality of compartment spaces.
10. The method of claim 9,
And the honeycomb (700) is attached to the compartment space.
The method according to claim 1 or 3,
And a plurality of lower protruding ends (501) having a predetermined width are formed on a lower surface of the bottom plate (500).

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