JP2003146390A - Transporting box with lock - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a transporting box with a lock which can simultaneously, safely, surely and quickly fit/fix a cover body on and release the cover body from the top opening of a box body even when a fragile thin panel item such as a glass base panel is stored inside. SOLUTION: This transportation box 1 comprises a box body 2 with a bottom and a cover body 3, and the cover body 3 is provided with lock keys 60, 62 for fitting or releasing the fitting of the cover body 3 with the top opening 2A of the box body 2. Near the opening 2A, a plurality of cover guide pieces 52 are protrusively provided toward the cover body 3, and when the cover body 3 is lowered along the guide pieces 52, a plurality of locks work all at once for locking.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a carrying box including a box body having a bottom and a lid body, and a lock lock for engaging or disengaging the lid body with an upper opening of the box body. Regarding

[0002]

2. Description of the Related Art Conventionally, as a carrying box used for transferring a glass substrate such as a glass substrate for a liquid crystal display, there is known a box constituted by a box body having a bottom and a lid body. And when carrying this box body,
A lock lock that can be easily opened and closed has been used as a means for securely closing the upper opening of the box with a lid and quickly opening and closing the lid when loading and unloading a glass substrate.

The lock lock is opened and closed by engaging and disengaging the engaging members provided at a plurality of pairs on the bottomed box side and the lid side. As the engaging and disengaging method, a buckle method, a fastener method, a hook method and the like are used. It was being done.

[0004]

However, the above-mentioned conventional lock locks are manually operated one by one when engaging and disengaging the lock locks. In addition, the lock locks are not disengaged all at once. In some cases, an unbalanced force is applied to the box body during the operation of the lock, and a thin object such as a glass substrate in the box body may be damaged. Also, when closing the lid, the lid was sometimes moved to align the lock after it was placed in the opening of the box, but there is a fragile object such as a glass substrate in the box. There is also a risk that the lid may be damaged due to movement.

The present invention has been made in view of such a problem, and even if a fragile thin plate-like object such as a glass substrate is housed inside, the lid is boxed safely, surely and quickly. An object of the present invention is to provide a transport box provided with a lock lock that can be engaged and disengaged and disengaged from an upper opening of a body.

[0006]

In order to solve the above-mentioned problems, a transport box provided with a lock of the present invention comprises a box body with a bottom and a lid body, and the lid body is the box body. A transport box provided with a lock lock that is engaged or disengaged with an upper opening, wherein a plurality of lid guide pieces project toward the lid in the vicinity of the upper opening, and the lid has the lid. It is characterized in that the plurality of lock locks are simultaneously locked by being lowered along the body guide piece. According to this feature, since the lid body is centered by the lid body guide piece, the lock lock can be accurately aligned. Therefore, a plurality of lock locks can be simultaneously operated to lock, and even with a thin plate such as a fragile glass substrate, the lid can be engaged and fixed to the upper opening of the box body safely, reliably and quickly.

In the transport box equipped with the lock according to the present invention, it is preferable that the upper opening is sealed by the compressive force of the packing provided on the lid when the lock is in the locked state. In this way, since the packing is compressed when the lid body is locked in the box body in a closed state, not only can the airtightness be secured, but also
When the lock lock is released, the compression force of the packing can positively lift the lid body upward.

In the transport box provided with the lock lock of the present invention, the lock lock is composed of two members, an insert piece and an insert piece, which are attached by pairing one of the box body and the lid body, It is preferable that when the inserted piece is inserted into the insertion piece, both pieces engage with each other and the lock lock operates. With this configuration, the locking operation can be applied to the lock lock simply by inserting one piece into the other piece.

According to another aspect of the present invention, there is provided a transport box having a lock lock, wherein the box body has a rectangular shape, and at least one pair of opposite sides of an upper opening of the transport box are inserted into the lock lock or are covered with the lock lock box. It is preferable that an insert piece is provided, and the lid body is provided with an insertable piece or an insert piece that forms a pair thereof, and at least one lid body guide piece is provided on each side of the upper opening. In this way, there is always a lid guide piece on each side, and at least one lock lock is provided on the opposite sides, so the lid body can accurately descend toward the upper opening without tilting, As a result, the lock lock is operated in a balanced manner.

In the transport box equipped with the lock of the present invention, either the inserted piece or the inserting piece is always biased by the spring in the engaging direction so that the inserting piece is relatively moved to the inserting piece. By being inserted, the spring biasing force is temporarily released, and then the inserted piece and the insertion piece are engaged with each other, whereby the lock lock operates to lock, and the spring biasing force is released by an external force to release the spring biasing force. It is preferable that the lock lock is unlocked by separating the inserted piece from the inserting piece. With this configuration, the locking operation and the unlocking of the lock lock can be simultaneously performed by a simple mechanism.

In the transport box with a fork guide according to the present invention, it is preferable that both the lock lock and the lid guide piece are provided at positions symmetrical with respect to the center of the upper opening. With this configuration, the locking operation and the unlocking of the lock lock can be operated with a balanced operation force.

In the transfer box with a fork guide of the present invention, it is preferable that a portion of the lid guide piece projecting upward from the upper opening is inclined in a direction away from the opening as it goes upward. With this configuration, the lid can be accurately centered with respect to the upper opening simply by lowering the lid along the lid guide member.

In the transport box with a fork guide of the present invention, it is preferable that a plurality of grooves capable of holding thin sheets such as glass substrates one by one are formed inside the box body having a bottom. By doing so, the thin body such as the glass substrate is held one by one by the plurality of grooves formed inside the box body, so that even if an external force acts on the box, Movement is restricted and safe and reliable transport is possible.

[0014]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the drawings.

1 to 5 show an embodiment of the present invention. FIG. 1 (a) is an external perspective view of a carrying box according to the present invention, and FIG. 1 (b) is a state in which a lid is opened. 2 is a perspective view showing the exterior of the transport box, FIG. 2 is a perspective view showing the inside of the transport box opened, FIG. 3 is a partial side sectional view of the transport box showing a state in which the lid is closed, and FIG. Sectional drawing which shows the state immediately after the lid of the glass substrate conveyance box is opened, (b) shows the state where the upper and lower ends of the glass substrate are pinched by the resin foam inside the glass substrate conveyance box. FIG. 6 is a sectional view, and FIG. 5 is a sectional view of the lock lock in a locked state.

Reference numeral 1 shown in FIGS. 1A and 1B indicates a carrying box, and the carrying box 1 is a thin glass plate (eg, 730 m) as a glass substrate which is a plurality of thin bodies.
(m × 920 mm × 0.5 mm) is used as a transport box used when transferring from a glass maker to a device maker, for example, and has a bottom with a horizontally long rectangular parallelepiped and is made of resin foam. It is composed of a box body 2 and a lid body 3, and the box body 2 includes a bottom plate 4
(See FIG. 3) and side plates 6a and 6b which are four plate bodies.
And 8a and 8b are combined.

The bottom plate 4 and the four side plates 6a, 6b and 8a,
8b has a laminated structure in which aluminum composite plates are attached to both sides of a styrofoam resin (specifically, 30 times styrofoam resin) via urethane adhesives.

The bottom frames 10 and 12 are attached to the four vertically arranged frame columns 20.
After connecting and fixing the bottom plate 4 via, the both ends of the side plates 6a, 6b and 8a, 8b are inserted into the fitting recesses on the side surface of the frame column 20 from the upper ends, and further, the upper ends of the side plates 6a, 6b and 8a, 8b are Hard aluminum upper frames 22a, 22b, 24 on the sides
a, 24b are fitted and these four upper frames 22a, 22
b, 24a, and 24b form the upper opening 2A of the box body 2 having a bottom.

Further, on the outer periphery of the four side walls formed by the side plates 6a, 6b and 8a, 8b constituting the bottomed box body 2, a fork guide, which is a flange-like upper and lower flange as an external accessory, is provided at an intermediate portion in the vertical direction. 26 and 28 are attached, and a pair of lifting eyebolts 30 are fixed to the upper surfaces of the fork guides 26 facing each other on the short side.

On the other hand, as shown in FIG. 1B, the lid 3 has a rectangular top plate 32 having the same structure as the side plate, and the top plate 3
2 Side frames 34a, 34b and 3 mounted on four sides of the outer peripheral edge
6a and 36b and these side frames 34a, 34b and 36
It is composed of a joint square frame (not shown) that joins the intersecting corner portions of a and 36b. And short side frames 34a,
A handle 56 is attached to the center of 34b.

A cover guide piece 52 is arranged point-symmetrically with respect to the center of the upper opening 2A on each side of the upper opening 2A of the transport box 1. Specifically, FIG. As shown, a plurality of lid guide pieces 52 are attached to each side of the upper opening 2A so as to project upward (toward the lid),
The portion projecting upward from the upper opening 2A is inclined in a direction away from the upper opening 2A as it goes upward.

Therefore, when the lid body 3 is guided along the lid body guide piece 52 and descends, the lid body 3 is centered on the center of the upper opening 2A so that the plurality of lock locks 50 are simultaneously locked. It is configured.

Further, the lid body 3 has a structure shown in FIGS.
As shown in (b), a rubber-like packing 40 is provided inside a fitting recess 38 that can be fitted to the upper end of the upper frame (only 22a and 24b are shown) of the box body 2 at the lower ends of the four sides.
When the lock 50 is in the locked state, the lid 3
The upper opening 2A is sealed by the compressive force of the packing 40 provided in the above.

The lock 50 is composed of a box body 2 and a lid body 3.
The insert piece 60 and the insert piece 6 which are attached in pairs
It is composed of two members No. 2 and No. 2, and when the inserted piece 62 is inserted into the inserting piece 60, both pieces 60, 62 are engaged with each other and the lock lock 5
0 will be locked.

The insertion piece 6 which constitutes the lock 50
0 and the inserted piece 62 are two on each side of the longer side of the opening 2A of the box body 2 formed in a rectangular shape in plan view, and the opposite length of the lid 3. An insertion piece 60 corresponding to the insertion piece 62 is attached to the side on the side of the dimension.

Similar to the lid guide piece 52, the insertion piece 60 and the insertion piece 62 are also provided at points symmetrical with respect to the center of the rectangular box. Therefore, when the plurality of lock locks 50 are simultaneously locked, an unbalanced force is not applied to the box body 2. Two lock locks 50 are provided on the long side, but one lock may be provided on each side, or one lock may be provided on the short side.

The lock lock 50 will be described in more detail. As shown in FIG. 5, the insertion piece 60 includes a plate-shaped mounting board 64 and a locking member projecting outward from the lower end surface of the mounting board 64. Side frame 3 of lid 3
It is attached to both sides of 6a and 36b.

The inserted piece 62 is a long upper frame 24a, 24 located near the upper opening 2A of the box body 2.
A base plate 68 mounted on both sides of b at a position aligned with the insertion piece 62 and having plate-shaped ribs 68a protruding from both sides.
And a tilting portion 72 having a U-shaped cross section, the lower end of which is pivotally attached to a pivot 66 which is inserted and supported by the lower end of the rib 68a and which is biased toward the base plate 68 side through a coil spring 70 in a closing direction. It is composed of.

More specifically, a locking piece 74 having an inclined surface 74a is provided above the inside of the tilting portion 72, and the inserted piece 6 is inserted.
A portion of the second rib 68a is provided on the upper surface of the end portion so as to slightly project, and functions as a stopper that restricts the operation of the inserted piece 62 that is biased in the closing direction.

Next, the process of closing the lid 3 to the box body 2 with reference to FIG. 4 will be described. A plurality of parallel grooves 46 having a chevron cross section are attached to the inner surface of the side plate.
The side edges of the side surface pads 48 formed at a pitch of 4 mm are sequentially supported from one side in a vertical state by a not-shown special fork, and both side edges of the glass substrate G are inserted from above into the parallel grooves 46 one by one, and the lower ends thereof are made of polypropylene, for example. A plurality of parallel grooves 42 made of foam and having a chevron cross section
Are supported on the groove bottoms of the corresponding parallel grooves 42 of the bottom surface pad 44 formed at a pitch of 14 mm, for example.

When the glass substrate G is supported in parallel with the parallel grooves 42 and 46 of the bottom pad 44 or both side pads 48 inside the box body 2 at a predetermined interval, the upper opening 2A of the box body 2 is opened. Is closed by the lid 3.

When the lid 3 is closed, as shown in FIGS. 2 and 3, the outer peripheral four sides of the lid 3 have openings 2 of the lid guide piece 52.
It is guided by an inclined surface inclined in a direction away from A and descends, whereby the lid 3 is accurately placed on the upper opening 2A.

By the lowering operation of the lid body 3, as shown in FIG. 5, the locking piece 65 of the insertion piece 60 abuts on the inclined surface 74a of the locking piece 74 of the insertion piece 62, and the insertion piece 62 is inserted. The tilting portion 72 rotates clockwise (rotates in the direction shown by the chain double-dashed line) against the biasing force of the coil spring 70, and the locking piece 65 rides over the locking piece 74. At this time, the tilting portion 72
Rotates the locking piece 74 in the counterclockwise direction by the biasing force of the coil spring 70, and the locking piece 74 moves again by the action of the biasing force.
All the lock locks 50 are locked at the same time by being locked at 5.

When the lock 50 is in the lock operation position, as shown in FIG. 4 (b), a rubber-like packing housed in a fitting recess 38 which can be fitted into the upper end portion of the upper frame 24b. 40 is compressed, the upper opening is sealed by the compressive force, and at the same time, the pressing surface 58a of the upper surface pad 58 is compressed.
Contact the upper edge G1 (see FIG. 3) of the glass substrate G supported by the groove bottom of the parallel groove 42 of the bottom pad 44.

Further, the glass substrate G has a bottom pad 4 made of polypropylene foam whose upper side supports the lower side.
4, the upper surface pad 58 made of polyethylene foam, which is a flexible material, is pressed so as to be clamped,
When the left and right sides are left free, even when a strong impact is applied from the outside, the flexible material absorbs energy and the force is not transmitted to the glass substrate G, and the glass substrate G can be prevented from being damaged.

In this way, the transport box 1 containing a plurality of glass substrates G due to the closure of the lid 3 is transported by a transport machine such as a forklift or a crane during transportation. In the case of transporting with a fork, the fork guide 26 having a flange shape or the fork guides 26 and 28 are engaged with the fork and transported.

When carrying using a crane or the like, a pair of lifting eyebolts 30 provided on the fork guide 26 are hooked with a wire or the like for carrying.

When the lid 3 is to be released from the box body 2, a tilting portion 7 of all the lock members 50 is used by using a tool or the like.
When the tips of 2 are pushed outward all at once, the lid 3 is lifted and automatically opened by the restoring force of the packing 40 that has been compressed.

Although the embodiments of the present invention have been described above with reference to the drawings, the specific structure is not limited to these embodiments. For example, in the lock lock 50, the insertion piece 60 is placed on the lid 3 side. Although the example in which the insertion piece 62 is attached to the box body 2 side has been described, the insertion piece 60 may be attached to the box body 2 side and the inserted piece 62 may be attached to the lid body 3 side, and the lock lock 50 may be inserted. Although the type has been described, any type of mechanism may be adopted as long as it automatically locks when the lid 3 is lowered.
Modifications and additions within the scope of the present invention are included in the present invention.

[0040]

According to the present invention, the following effects can be obtained.

(A) According to the first aspect of the invention, since the lid is centered by the lid guide piece, the lock lock can be accurately positioned. Therefore, a plurality of lock locks can be simultaneously operated to lock, and even with a thin plate such as a fragile glass substrate, the lid can be engaged and fixed to the upper opening of the box body safely, reliably and quickly.

(B) According to the second aspect of the invention, since the packing is compressed when the lid is locked to the box in a closed state, not only the airtightness can be secured but also the lock lock. When is released, the lid can be positively lifted upward by the compressive force of the packing.

(C) According to the invention described in claim 3, it is possible to give the lock operation to the lock by simply inserting one piece into the other piece.

(D) According to the invention as set forth in claim 4, since there is always a lid guide piece on each side and at least one lock lock is provided on the opposite side, the lid can be accurately tilted without tilting. A downward movement towards the upper opening results in a balanced operation of the lock.

(E) According to the invention described in claim 5, the lock operation and the lock release of the lock can be simultaneously performed by a simple mechanism.

(F) According to the sixth aspect of the invention, the lock operation and the lock release of the lock lock can be operated with a balanced operation force.

(G) According to the invention of claim 7,
The lid can be accurately centered with respect to the upper opening simply by lowering the lid along the lid guide member.

(H) According to the invention as set forth in claim 8, since a thin body such as a glass substrate is held one by one by a plurality of grooves formed inside the box body, an external force acts on the box. Even so, the lateral movement of the thin body is restricted, so that the thin body can be transported safely and reliably.

[Brief description of drawings]

FIG. 1A is an external perspective view of a transfer box according to the present invention, and FIG. 1B is an external perspective view of the transfer box with a lid opened.

FIG. 2 is a perspective view showing the inside of an opened transport box.

FIG. 3 is a partial side sectional view of the transport box showing a state in which the lid is closed.

FIG. 4A is a cross-sectional view showing a state immediately after the lid of the glass substrate transfer box is opened, and FIG. 4B is a resin foam body at the upper and lower ends of the glass substrate inside the glass substrate transfer box. It is a sectional view showing the state where it is pinched.

FIG. 5 is a cross-sectional view of the lock lock in a locked state.

[Explanation of symbols]

1 transport box 2 box body 2A upper opening 3 lid 4 bottom plate 6a, 6b Side plate 8a, 8b side plate 10,12 Bottom frame 20 frame pillars 22a, 22b upper frame 24a, 24b upper frame 26, 28 Fork guide 30 eyebolts 32 Top plate 34a, 34b Side frame 36a, 36b Side frame 38 Fitting recess 40 packing 42 parallel groove 44 Bottom pad 46 parallel grooves 48 side pads 50 lock tablets 52 Lid body guide piece 56 handle 58 Top pad 58a pressing surface 60 insert pieces 62 Inserted piece 64 mounting board 65 Locking piece 66 Axis 68 base plate 68a Plate-shaped rib 70 coil spring 72 Tilt part 74 Locking piece 74a inclined surface G glass substrate

Continued front page    F-term (reference) 3E084 AA05 AA14 AA37 AB10 BA01                       CA03 CB04 CC08 DA03 DB05                       DB14 DC08 FA09 HA03 HB04                       HC03 HD01 LA17                 3E096 AA06 BA15 BA20 BB03 CA02                       CB03 DA01 DA05 DA09 DA10                       DA17 DA23 DA30 DB06 DC01                       EA02X EA03X EA06X EA07Y                       EA11X FA09 GA02 GA03                       GA07 GA12 GA20                 5F031 CA05 DA08 EA02 EA10 EA12                       EA14 EA20 FA02 FA07 FA09                       FA11 FA19 KA11 KA20

Claims (8)

[Claims] 1. A box body having a bottom and a lid body,
A transport box provided with a lock for engaging or disengaging the lid with an upper opening of the box, wherein a plurality of lid guide pieces are provided near the upper opening toward the lid. A carrier box provided with a lock lock, wherein a plurality of the lock locks are simultaneously locked by protruding and lowering the cover along the cover guide piece. 2. The transfer box with a lock according to claim 1, wherein the upper opening is sealed by a compressive force of a packing provided on the lid when the lock is in a locked state. 3. The lock lock is composed of two members, an insert piece and an insert piece, which are attached in pairs by either one of the box body and the lid body, and the insert piece is inserted into the insert piece. The transport box provided with the lock lock according to claim 1 or 2, wherein both pieces are engaged with each other to lock the lock lock. 4. The box body has a rectangular shape, and at least one insert piece or insert piece of the lock lock is provided on at least one pair of opposite sides of an upper opening of the box body, and the box body is provided on the lid body. 4. The transport box provided with the lock lock according to claim 3, wherein said pair of inserted pieces or insert pieces are provided, and at least one lid guide piece is provided on each side of said upper opening. 5. One of the inserted piece and the inserting piece is always spring-biased in the engaging direction, and the inserted piece is relatively inserted into the inserting piece, so that the spring biasing force is increased. After being temporarily released, the inserted piece and the inserted piece engage with each other to lock the lock lock and release the spring biasing force by an external force to separate the inserted piece from the inserted piece. The transport box equipped with the lock lock according to claim 3 or 4, whereby the lock lock is unlocked. 6. The lock lock according to claim 1, wherein both the lock lock and the lid guide piece are provided at positions symmetrical with respect to the center of the upper opening. Transport box. 7. The lock lock according to claim 1, wherein a portion of the lid guide piece projecting upward from the upper opening is inclined in a direction away from the opening as it goes upward. Transport box equipped with. 8. The fork guide according to any one of claims 1 to 7, wherein a plurality of grooves capable of holding one thin body such as a glass substrate are formed inside the bottomed box body. Transport box with.