JP2887450B2 - Closed container locking device for closed containers - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a closed container closing lock device for locking a closed container and a lid for closing the container.

[0002]

2. Description of the Related Art Conventionally, a closed container comprising a bottomed cylindrical container having a flange at an opening edge and a lid having a flange which is in contact with the flange of the container when the container is closed is closed. Various types of locking structures have been provided in which the flanges of the container and the lid are fastened with bolts and nuts.

[0003] However, such a system has a disadvantage that workability is poor because bolts and nuts must be detached at the time of opening and closing.

[0004] Thereafter, in order to solve such a drawback and to make it easier to open and close without using bolts and nuts, a ring-shaped tightening band is fitted to the outer peripheral surfaces of the flanges of the container and the lid. There has been provided a device in which a flange of a container and a lid are fastened by a fastener of a fastening band (see Japanese Patent Publication No. 4-42258).

[0005]

However, in such a structure, since strong pressure is applied to the tightening band itself at the time of tightening, the parts such as the tightening device of the tightening band are quickly fatigued, and the use of the tightening band from the start of use. Failures occurred frequently in a short period of time.

Further, when the tightening band is tightened with the tightening device, the tightening band and the outer peripheral surfaces of the flanges of the container and the lid are rubbed with each other. did not become.

In view of the above-mentioned inconveniences, the present invention provides an apparatus for locking and closing a closed container which is excellent in pressure resistance and durability, has low resistance at the time of tightening, and can be easily tightened. It was created as an issue.

[0008]

SUMMARY OF THE INVENTION For this reason, the present invention comprises a bottomed cylindrical container having a flange at an opening edge, and a lid having a flange which comes into contact with the container flange when the container is closed. In the closed lid lock device of the closed container,
The closure locking device is provided with a fastening band which can be connected in a ring by appropriate connecting means provided at both ends and which can be opened and closed by a hinge portion provided in the middle, and a plurality of fastening bands on an inner peripheral surface of the fastening band at appropriate intervals. A rotating body that is disposed and is rotatable along the circumferential direction of the tightening band. The rotating body is formed in a substantially columnar shape, and the tightening band is formed by a flange of the container and the lid. A body that abuts the outer peripheral surface of the container and the lid when the outer peripheral surface is attached to the flange outer peripheral surface of the container and the lid body,
A disk-type having a diameter larger than the body is provided in a pair above and below the body, and comes into contact with the container and the lid when the tightening band is attached to the outside of the flange of the container and the lid. The above-mentioned object is attained by constituting the flange with a holding portion for holding the flange from above and below.

[0009]

According to the present invention, when the tightening band is annularly connected to the outside of the flange of the container and the lid, the body of the rotating body comes into contact with the outer peripheral surface of the flange of the container and the lid. Further, the holding portion of the rotating body locks the container and the lid in a closed state by sandwiching the flange of the container and the lid from above and below.

At this time, the rotation of the rotating body prevents the flanges of the container and the lid from abutting against the abutting portions of the body and the holding portion of the rotating body. In this case, the resistance is small, the attachment / detachment operation is simplified, and the force applied to each rotating body is reduced, so that damage to the parts is suppressed.

[0011]

Embodiments of the present invention will be described below with reference to the drawings. The lid locking device for a closed container according to the present invention includes a closed-end cylindrical container A having a flange at an opening edge, and a lid B having a flange B1 which is in contact with the flange A1 of the container A when the container A is closed. This is used for a closed container composed of

Reference numeral 1 shown in the drawing denotes a fastening band of the lid locking device, and the fastening band 1 is formed by two metal strips 1a curved in a substantially semicircular shape facing each other in a ring shape. One of the opposing ends is connected by a hinge portion 2, and the other end is provided with a connecting means 3 so as to be connectable. Actually, as the hinge part 2, a U-shaped hinge fitting 4 is attached to one end of the metal strip 1a.
Is fixed so that the closed side faces each other, and the metal strip 1 is placed between the inside of the closed part of the hinge fitting 4 and the end of the metal strip 1a.
a through-hole 5 is formed in the width direction of a, and two connecting plates 6 having through-holes 7 at both ends sandwich the opposing insertion portion 5 from both upper and lower sides, and bolts 8 are formed in the through-holes of the upper and lower connecting plates 6. 7 and the insertion portion 5 are connected in a series and are swingably stopped by nuts 9 (see FIG. 3), and as the connecting means 3, the other end of the metal strip 1a is connected to each other. A pivot pin 10 penetrates in one direction in the thickness direction, and an oscillating plate 11 is attached to this pivot pin 10 so as to be swingable outside the metal strip 1a. A hook pin 12 projecting in the direction is formed, and means for hooking the hook pin 12 to a cutout 13 formed on the side edge near the end of the other metal strip plate 1a to enable connection are adopted. (See FIG. 4).

Reference numeral 14 denotes a rotating body made of a synthetic resin which is provided at eight positions at appropriate intervals along the inner peripheral surface of the tightening band 1 and is rotatable along the circumferential direction of the tightening band 1. It is. The rotating body 14 is a cylindrical body 15 having a height higher than the width of the tightening band 1, and a disk type having a diameter larger than the body 15, and is integrally provided on the upper and lower end surfaces of the body 15. The rotating body 14 is composed of two holding portions 16, and the body 14 is fixed to the body 14 by a pair of rectangular V-shaped fixing brackets 17, each of which is attached to the rotating body 14 in a state where the front end thereof faces the inner peripheral surface of the tightening band 1. 15 around the axis of the torso 15 with the clamping band 1
Are mounted so as to be rotatable along the circumferential direction of the fixing member 17 and a part of the body 15 is slightly protruded from a gap between the opposed front ends of the fixing bracket 17.

The rotating bodies 14 arranged at eight locations on the inner peripheral surface of the tightening band 1 at appropriate intervals are containers that come into contact with the stepped portion of the holding portion 16 and the body portion 15 in a closed state. When the tightening band 1 is connected annularly outside the flanges A1 and B1 so as to fit the flanges A1 and B1 of the cover A and the cover B, the peripheral surface of the protruding portion of the body 15 of each rotating body 14 becomes a container. A and the flanges A1 and B1 of the lid B abut against the outer peripheral surface,
And the holding portion 16 is a flange A1 of the container A and the lid B,
B1 is sandwiched from above and below.

Therefore, the upper and lower holding portions 1 of the rotating body 14
6, the height of the body 15 is equal to the thickness of the flanges A1 and B1 of the container A and the lid B, and the top of the projecting portion of each body 15 when the fastening band 1 is connected. The circles formed by tying are the flanges A1 and B1 of the container A and the lid B.
Is set in advance so as to coincide with the outer circumference of.

The lid locking device formed as described above has the following features.
As shown in FIG. 1, the holding portion 16 of the rotating body 14 and the body portion 15
When the flanges A1 and B1 of the container A and the lid B, which are in contact with each other in the closed state, are fitted to the step, and the tightening band 1 is connected and mounted, the body 15 of each rotating body 14 is fitted with the flanges A1 and B.
1 abuts against the outer peripheral surface to hold the tightening band 1 so as not to shift in the horizontal direction, and the holding portion 16 sandwiches the flanges A1 and B1 from above and below to lock the container A and the lid B in a closed state. It is.

In the above-described embodiment, the rotating body 14 is rotatable on the inner peripheral surface of the tightening band 1 by holding the body portion 15 by the fixing bracket 17 attached to the inner peripheral surface of the tightening band 1. However, the mounting method is not limited to this.For example, a tightening band is formed in a thicker one, and a groove is formed in the inner circumferential surface of the tightening band in the width direction. And insert the body of the rotating body into this groove.
You may attach so that a part of trunk | drum may protrude in an inner peripheral surface.

The material, shape, size, and configuration of the tightening band, the configuration, size, and shape of the connecting means, the configuration, size, and shape of the hinge portion, and the material, shape, size, and configuration of the rotating body are as described above. It goes without saying that the present invention is not limited to the embodiments.

[0019]

According to the present invention constructed as described above, a bottomed cylindrical container A having a flange A1 at the opening edge is provided.
And a lid B having a flange B1 which is in contact with the flange A1 of the container A when the container A is closed. A fastening band 1 which is annularly connectable by means 3 and which can be opened and closed by a hinge portion 2 provided in the middle, and a plurality of fastening bands 1 provided at appropriate intervals on the inner peripheral surface of the fastening band 1; And a rotating body 14 rotatable along the circumferential direction of the rotating body 14. The rotating body 14 is formed in a substantially columnar shape, and the fastening band 1 is connected to the flange A1 of the container A and the lid B, When mounted on the outside of B1, the peripheral surfaces of the flanges A1 and B of the container A and the lid B contact each other.
1, a body 15 in contact with the outer peripheral surface, and a pair of discs having a diameter larger than the body 15 and provided vertically above and below the body 15 and fastening the band 1 to the container A and the lid B. A clamping portion 16 for clamping the flanges A1 and B1 of the container A and the lid B, which are in contact with each other, from above and below when mounted outside the flanges A1 and B1.
, The fastening band 1 is made up of the container A and the lid B.
When the ring 15 is connected to the outside of the flanges A1 and B1 in a ring shape, the body 15 of the rotating body 14 comes into contact with the outer peripheral surfaces of the flanges A1 and B1 of the container A and the lid B, and the holding section 16 of the rotating body 14 Holds the container A and the lid B in a closed state by sandwiching the flanges A1 and B1 of the container A and the lid B from above and below, thereby realizing reliable sealing.

Since the rotating member 14 rotates, the contact portions between the flanges A1 and B1 of the container A and the lid B and the body portion 15 and the holding portion 16 of the rotating member 14 do not rub against each other. The resistance when opening and closing the fastening band 1 for attaching and detaching is reduced, and the attaching and detaching operation can be performed very easily.

In addition, since the force applied to the rotating body 14 by the rotation is reduced, the rate of occurrence of breakage of each part is also reduced.

As described above, according to the present invention, the container and the lid of the closed container can be easily covered and locked, and furthermore, there are industrially advantageous effects such as excellent durability and little breakage or failure. Things.

[Brief description of the drawings]

FIG. 1 is a sectional view showing a use state of an embodiment of the present invention.

FIG. 2 is a partially cutaway plan view showing a use state.

FIG. 3 is a perspective view of a main part showing a hinge part of the embodiment.

FIG. 4 is a perspective view of a main part showing a connecting means of the embodiment.

[Explanation of symbols]

A Container A1 Flange B Lid B1 Flange 1 Fastening band 1a Metal strip
2 hinge part 3 connecting means 4 hinge fitting
5 insertion part 6 connecting plate 7 through hole
8 Bolt 9 Nut 10 Spindle pin
11 rocking plate 12 latch pin 13 notch
14 Rotating body 15 Body 16 Nipping part
17 Fixture

Claims (1)

(57) [Claims] 1. A closure locking device for a closed container comprising a bottomed cylindrical container having a flange at an opening edge and a lid having a flange which comes into contact with the flange of the container when the container is closed. The closure locking device is provided with a fastening band which can be connected in a ring by appropriate connecting means provided at both ends and which can be opened and closed by a hinge portion provided in the middle, and a plurality of fastening bands on an inner peripheral surface of the fastening band at appropriate intervals. A rotating body that is disposed and is rotatable along the circumferential direction of the tightening band. The rotating body is formed in a substantially columnar shape, and the tightening band is formed by a flange of the container and the lid. A body part that contacts the outer peripheral surface of the flange that the container and lid contact each other when mounted on the outside of the body, and a pair of discs with a diameter larger than this body part, sandwiching the body part up and down Provided, and the fastening band should be A closure lock device for a closed container, comprising: a holding portion for holding a flange which comes into contact with a container and a lid when the device is mounted on the outside of a flange from above and below.