JP2577933Y2 - Cooling box hinge device - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a hinge device capable of connecting and separating a cool box.

[0002]

2. Description of the Related Art A hinge for connecting a box and a lid of a conventional storage box is disclosed in Japanese Utility Model Application Laid-Open No. 1-86674. As shown in FIG. 12, the hinge includes a horizontal shaft 2 provided on the box 1, a rib 4 provided on the lid 3, which is connectable to and separable from the horizontal shaft 2, and a pivot on the lid 3. An operation lever 5 is provided that can be connected to and separated from the horizontal shaft 2 that is freely supported. The rib 4 has a concave portion 6 that opens downward and grips the horizontal shaft 2, and the operation lever 5 has a claw-shaped piece 7 that is hooked on the horizontal shaft 2. Is to be gripped. Such hinges are provided at opposite locations of the storage box,
If one of the operation levers 5 is operated to separate the claw-shaped piece 7 from the horizontal shaft 2 and the rib 4 is removed from the horizontal shaft 2, the lid 3 is turned upward with the horizontal shaft 2 of the other hinge as a fulcrum. The storage box can be opened by rotating. By operating both operation levers 5, the lid 3 can be completely removed from the box 1.

Further, as shown in FIG. 13, the hinge of Japanese Utility Model Laid-Open No. 3-88562 has a cover 8 similar to the hinge described above.
The horizontal axis 14 of the box 13 is gripped by the concave portion 10 of the rib 9 and the claw-shaped piece 12 of the operation lever 11.

[0004]

However, in the above-mentioned conventional hinge device, when one of the hinges is disengaged and the other hinge is used as a fulcrum to open the lid as far as possible,
In the former hinge, the lid 3 further rotates even after the operation lever 5 hits the outer wall surface of the box 1, so that the claw-like piece 7 comes off the horizontal shaft 2 and the lid 3 falls off the box 1. Resulting in. Even in the case where the lid 3 is not fully opened but is fully closed, the lid 3 may be detached with a relatively small force. In the latter hinge, when the lid 8 is opened, the lid-side rib 9 and the operating lever 11 overlap and hit the corner of the box 13, so that the claw-shaped piece 12 does not come off from the horizontal shaft 14 as in the former. However, since the claw-shaped piece 12 alone supports the entire weight and impact force of the lid 8, the claw-shaped piece 12 may be deformed or damaged.

[0005] It is an object of the present invention to provide a hinge device for a cool box that can eliminate such inconveniences.

[0006]

In order to achieve the above object, the present invention provides a horizontal shaft provided on a box, and a rib which can be connected to and separated from the horizontal shaft provided on a lid of the box. And an operating lever rotatably supported by the lid and capable of being coupled to and separated from the horizontal axis via a claw-shaped piece, wherein the horizontal axis has two shaft portions. And each of the shaft portions is provided with a flange-shaped member, and the ribs are opposed to each other at the time of coupling with the horizontal shaft. A lateral hole into which a tip portion enters is formed, and claw-shaped pieces of the operation lever are provided corresponding to each of the shaft portions, and each claw-shaped piece is provided on the collar-shaped member during the switching between the coupling and the separation. A configuration is provided in which a projection is provided that slides and separates the tip end from the side hole of the rib. It is.

[0007]

When the lid is closed, the operation lever is turned outward. Thereby, the claw-shaped pieces open outward.

Next, when the lid is applied to the box body and the operation lever is rotated inward, the projections of the claw-shaped pieces slide on the flange-shaped member of the horizontal shaft, and the shaft portions are temporarily moved to each other. Keep away. When the projection climbs over the collar member, the two shaft portions are released from being pressed by the projection, approach each other, and their tip portions enter the lateral holes of the rib. At the same time, the pawls engage the horizontal shaft. As a result, the box-side horizontal shaft engages with both the lid-side ribs and the claw-shaped pieces.

When opening the lid, the operation lever is turned outward. The protrusion of the claw-shaped piece slides on the flange-shaped member of the horizontal shaft,
Move the shaft parts away from each other temporarily. The tip portion of the shaft portion is disengaged from the side hole of the rib to release the rib. At the same time, the pawls separate from the shaft. This allows the lid to be removed from the box.

[0010] In order to open the lid in a single-open state, the above-mentioned operation is performed on the hinge on one side of the cool box. Even if the lid is rotated around the hinge on the other side as a fulcrum and the lid is fully opened, the horizontal hole of the hinge is engaged with the claw of the operation lever on the horizontal axis. Only excessive force will not be applied.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. As shown in FIGS. 1 to 3, the cool box includes a box 15 for storing contents such as fish, and a lid 16 for opening and closing the box 15.

As shown in FIGS. 6 and 7, the box body 15 and the lid 16 are formed with shells 17 and 18, respectively, and the outer layer is formed. The heat insulating material 19 is filled to provide coolness.

The lid 16 can be attached to and detached from the box 15 by a hinge device 20 as shown in FIGS. 2, 3, 5, 6, and 7, and a recess 21 for accommodating the hinge device 20. , 22 are provided on the upper part of the box 15 and the lid 16, respectively. When the lid 16 is put on the box 15, the recess 21 on the side of the box 15 and the recess 22 on the side of the lid 16 coincide with each other, and the hinge device is provided. 20. Such a recess 21,
22 are provided on both left and right sides of the cool box.

In this embodiment, two sets of hinge devices are provided in the left and right recesses 21 and 22 of the cool box, respectively. The horizontal shaft 23 provided on the box 15 and the hinge 1 are provided respectively.
A rib 24 provided on a lid 16 provided on the cover 5 and capable of being coupled to and separated from the horizontal shaft 23, and rotatably supported by the lid 16, And an operation lever 26 that can be connected and separated.

The horizontal shaft 23 is divided into two shaft portions 23a and 23b as shown in FIGS. In the concave portion 21 of the box body 15, each shaft portion 23a, 23b
Two bearing projections 27 project in the horizontal direction, and the shaft portions 23a and 23b are inserted horizontally through them. A ring 28 is fixed to each of the shaft portions 23a and 23b between the two bearing projections 27, and a compression coil spring 29 is attached to the shaft portions 23a and 23b. Are urged to approach each other.
Opposing tip portions 30 of the two shaft portions 23a and 23b
Has a spherical surface, and a flange-shaped member 31 is provided at the rear end of the shaft portions 23a and 23b. The inside of the collar member 31 is formed in a substantially spherical shape.

The rib 24 is provided so as to protrude downward in the concave portion 22 of the lid 16 as shown in FIGS. 3, 5 and 6. The rib 24 is formed with a lateral hole 32 into which the distal end portion 30 penetrates at a position corresponding to the distal end portion 30 of the both shaft portions 23a and 23b. When the lid 16 is put on the box body 15,
The ribs 24 are engaged with the horizontal shaft 23 when the opposite end portions 30 of the shaft portions 23a and 23b enter the shaft portion 23a. As shown in FIG. 11, the lower end 24a of the rib 24 is formed in an arc shape in cross section so that the rib 24 can easily enter between the tip portions 30 of the shaft portions 23a and 23b when the lid is closed.

As shown in FIGS. 1 and 4, one operation lever 26 is provided on each of the left and right sides of the cool box. Each operation lever corresponds to two hinge devices, and enters into the recesses 21 and 22. It has become. Each operation lever 26 is shown in FIG.
And as shown in FIG.
The lid 16 has a concave portion 2 as shown in FIG.
2 has a projection 34 for bearings, and projections 33, 34 for dual bearings.
Are connected via a horizontal pin 35, so that they can be pivoted in a pendulum shape. In addition, each shaft portion 23a,
A torsion coil spring 36 is mounted on 23b, and the operation lever 26 is biased counterclockwise around the pin 35 in FIG. 5 by the torsion coil spring 36. Therefore, the operation lever 26 is stored in the recess 22.

At the lower part of the operation lever 26, two claw-like pieces 25 project inwardly corresponding to the respective horizontal shafts 23 as shown in FIG. As shown in FIG. 8 and FIG. 9, the two claw-shaped pieces 25
3a and 23b, respectively, and their ends are
a and 23b are bent upward so as to be easily engaged. The claw-like piece 25 elastically engages with the shaft portions 23a and 23b when the operation lever 26 rotates inward, and the operation lever 2
When 6 rotates outward, it separates from shaft portions 23a and 23b.

As shown in FIGS. 5 and 6, an inclined surface 25a is formed on the lower surface of the tip of the claw-shaped piece 25.
When the lid 16 is lightly pressed from above while the inclined surface 25a is in contact with the shaft portions 23a and 23b, the shaft portion 2
The inclined surface 25a slides on the outer periphery of 3a, 23b, and the operation lever 26 rotates outward.

The claw-shaped piece 25 is slidably in contact with a portion between the bearing protruding piece 27 and the flange-shaped member 31 in the shaft portions 23a and 23b. A projection 37 that can contact the surface is provided. Protrusion 3
7, the horizontal axis 2 of the claw-shaped piece 25, as shown in FIG.
In the course of switching the coupling / separation with respect to 3, each shaft portion 23a,
The shaft portions 23a and 23b slide in contact with the flange-shaped member 31 of 23b.
Is detached from the lateral hole 32 of the rib 24. Thereby, when the protrusion 37 gets over the flange-like member 31 toward the inside of the concave portion 21, both the claw-shaped piece 25 and the rib 24 are engaged with the horizontal shaft 23, and when the protrusion 37 gets over the outside of the concaved portion 21, the claw-shaped piece is Both the rib 25 and the rib 24 are separated from the horizontal shaft 23.

Next, the operation of opening and closing the lid of the cool box will be described. When closing the lid 16, the operation lever 26 is rotated outward by holding it by hand. As a result, the claw-shaped piece 25 also pivots outward and is in an open state.

Next, the lid 16 is applied to the opening of the box 15, and the operation lever 26 is released. The operation lever 26 is rotated inward by a torsion coil spring 36, and the lower end 24 a of each rib 24 is connected to the two shaft portions 23 of each horizontal shaft 23.
a and 23b between the tip portions 30. When the operation lever 26 is pressed by hand as needed, the projection 37 of the claw-shaped piece 25 comes into sliding contact with the spherical portion of the flange-shaped member 31 of the horizontal shaft 23 as shown in FIG. To temporarily move the shaft portions 23a and 23b away from each other.

When the cover 16 is closed without rotating the operation lever 26 by hand, the cover 16 is
When lightly pressed from above on the lower end 5, the lower end 24a of the rib 24 also cooperates with the protrusion 37 as shown in FIG.
3a and 23b are pushed apart from each other, and at the same time, the inclined surface 25a formed on the claw-like piece 25 comes into contact with the shaft portions 23a and 23b and slides, so that the operation lever 26 rotates outward, and the lid 16 is further pushed down. Then, the claw-shaped piece 25 can be engaged with the horizontal shaft 23.

When the operation lever 26 subsequently rotates inward, the shaft portions 23a and 23b are pushed apart in cooperation with the projection 37. When the projection 37 gets over the flange-shaped member 31, the two shaft portions 23a and 23b are released from being pressed by the projection 37,
As they approach each other, their tip portions 30 penetrate into the lateral holes 32 of the ribs 24. At the same time, the claw 25 engages with the horizontal shaft 23. Thereby, the horizontal shaft 23 on the box 15 side
Engages with both the rib 24 and the claw piece 25 on the lid 16 side,
The lid 16 is firmly connected to the box 15.

When the cover 16 is opened, the operation lever 26 is gripped by hand and rotated outward, and the claw 25 is
a, 23b. At the same time, the projection 3 of the claw 25
7 moves while slidingly contacting the collar member 31 in the opposite direction to the above,
The shaft portions 23a and 23b are temporarily moved away from each other. FIG.
As shown at 0, the tip portions 30 of the shaft portions 23a and 23b are separated from the lateral holes 32 of the ribs 24 to release the ribs 24. Thus, the lid 16 can be separated from the box 15.

In order to open the lid 16, the operation lever 26 on one side of the cool box is kept as it is, and the above operation is performed on the other operation lever 26 on the other side.
May be rotated as shown in FIG. When the lid 16 is opened as far as it will go, the lid 16 and its operating lever 2
6 comes into contact with the corner of the concave portion 21 of the box body 15 and stops. Even in such a case, the horizontal axis 23
The horizontal hole 32 of the rib 24 and the claw 25 of the operation lever 26
Are engaged with each other, so that an excessive force is not applied only to the claw 25.

[0027]

According to the present invention, the horizontal axis of the box body is inserted into the lateral hole of the rib on the lid side, and the claw-like piece on the lid side is engaged with the horizontal axis. Increase fixing force,
The lid can be prevented from being opened carelessly.

Even when the lid is in a single-open state, the weight of the lid and the impact force applied to the lid are supported by both the ribs and the claw-shaped pieces.
Since the claw-shaped piece is not supported alone as in the related art, there is no possibility that the claw-shaped piece is deformed or damaged.

[Brief description of the drawings]

FIG. 1 is a perspective view of a cool box provided with a hinge device according to the present invention.

FIG. 2 is a perspective view of a box body of the cool box.

FIG. 3 is a partially cutaway perspective view of a lid of the cool box. .

FIG. 4 is a perspective view of an operation lever to be attached to the lid.

FIG. 5 is a sectional view taken along line VV in FIG.

FIG. 6 is a sectional view taken along line VI-VI in FIG.

FIG. 7 is a cross-sectional view when the lid in FIG.

FIG. 8 is a perspective view of a horizontal shaft mounted on a box.

FIG. 9 is a sectional view taken along line IX-IX in FIG. 6; .

FIG. 10 is a cross-sectional view showing a state in which one shaft portion of the horizontal shaft in FIG. 9 is being released.

FIG. 11 is a cross-sectional view showing a relationship between a lower end of a lid-side rib and a shaft portion.

FIG. 12 is a partially cutaway sectional view showing a conventional hinge device.

FIG. 13 is a partially cutaway sectional view showing another conventional hinge device.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 15 ... Box 16 ... Lid 20 ... Hinge device 23 ... Horizontal axis 23a, 23b ... Shaft part 24 ... Rib 25 ... Claw-like piece 26 ... Operation lever 30 ... Tip part 31 ... Flange member 32 ... Side hole 37 ... Projection

Claims (1)

(57) [Scope of request for utility model registration] 1. A horizontal axis provided on a box, a rib provided on a lid of the box, which can be coupled to and separated from the horizontal axis, and a pivotally rotatably supported by the lid, In a hinge device for a cold box having an operating lever that can be connected to and separated from a shaft via a claw-like piece, the horizontal shaft is divided into two shaft portions, and an elastic body is provided so that their tip portions approach each other. Each shaft portion is provided with a flange-shaped member, and the rib is formed with a lateral hole through which opposing distal end portions of the shaft portion enter when being coupled to the horizontal shaft. Shaped pieces are provided corresponding to each of the shaft portions, and each claw shaped portion has a projection that slides on the flange-shaped member during the switching between the coupling and the separation and separates the tip end portion from the lateral hole of the rib. A hinge device for a cool box, which is provided.