JP2588778Y2 - 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 for connecting a lid of a cool box to a box so as to be connectable and separable.

[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.

[0003] As shown in FIG.
The horizontal shaft 2 provided on the box 1, the ribs 4 provided on the lid 3, which can be connected to and separated from the horizontal shaft 2, and the horizontal shaft 2 rotatably supported on the lid 3. And an operation lever 5 that can be connected and separated. 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 7 that is hooked on the horizontal shaft 2. Is to be gripped.

Further, as shown in FIG. 11, the hinge of Japanese Utility Model Application 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.

[0005]

However, in the above-mentioned conventional hinge device, since all the recesses are formed for each rib, the horizontal shaft must be properly gripped unless the dimensional accuracy inside the recesses is improved. Can not do it. In addition, there is a possibility that the concave portion may be missing due to opening and closing of the lid.

[0006] It is an object of the present invention to provide a hinge device for a cool box that can solve such inconveniences.

[0007]

In order to achieve the above object, the present invention provides a hinge device (20) for a cold box connecting a lid (16) to a box (15). The recess (21 ) straddling both the box (15) and the lid (16)
a, 21b) are formed respectively, and each box-side concave portion (21a) is formed.
A horizontal shaft (23) is fixed in the inside, and each lid side recess (21 ) is fixed.
In b) , a plurality of ribs (24) are provided on the horizontal axis (2).
3) projecting so as to be aligned in the length direction, outward notch which contacts the inside to the horizontal shaft (23) during lidding (2
9) is formed on the rib (24) , and each lid side recess is formed.
Inside (21b) , a claw-like piece ( ) which grips the horizontal shaft (23) by contacting from below the horizontal shaft (23) together with the rib (24) having the outward cutout (29) at the time of covering. 3
The operation lever (26) having the structure ( 5) is urged inward by the elastic body (34) to be supported by the shaft.

[0008]

When the lid is closed, the horizontal shaft is gripped between the outward cutout of the rib of the lid and the claw-shaped piece of the operation lever.

The rib for gripping the horizontal shaft and the operation lever are separate bodies, and the operation lever moves toward the rib, so that the rib can be appropriately gripped even if the dimensional accuracy of the rib is somewhat poor. When the lid is opened, to completely remove the lid from the box, the operating levers of the hinge devices on both sides are operated to release the claw-shaped pieces from the horizontal axis. Thereafter, when the lid is lifted above the box, the ribs and the claw-like pieces of the operation lever are separated from the horizontal axis, and the lid is separated from the box.

In order to open the lid in a single-open state, the same operation as the above-mentioned operating lever is performed on one hinge device of the cool box, and the claw-like piece is detached from the horizontal axis. In the other hinge device, the horizontal axis is gripped by the outward cutout of the rib and the claw-shaped piece, and the lid is rotatable about the horizontal axis of the other hinge device . If the lid is rotated upward with the horizontal axis as a fulcrum, the lid can be opened in a single-open state.

[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 FIG. 1, FIG. 2 and FIG. 4, this cool box is a box 15 for storing contents such as fish.
And a lid 16 for opening and closing the box 15.

As shown in FIGS. 7 to 9, the box 15 and the lid 16 are formed with shells 17 and 18, respectively, to form a surface layer. The heat insulating material 19 is filled to provide coolness. Further, a projection 30 is provided on the periphery of the opening of the box body 15, and a packing 31 made of a foam molded article of ethylene / propylene rubber (EPDM) is provided at a position corresponding to the projection 30 on the lid 16. The packing 31 elastically hits the projections 30 when the cover is closed, so that the airtightness in the box is maintained, and the packing lever 31 resiliently tries to raise the cover 16 upward.
Rattling when the claw-like piece 35 and the horizontal shaft 23 are engaged with each other is prevented, and the packing 31 is appropriately compressed, so that a cooling effect is provided.
Enhance .

The lid 16 is connected to the box 15 by a hinge device 20 as shown in FIGS. 1, 8 and 9. As shown in FIGS. 2 and 4, concave portions 21 a and 21 b are formed on both sides of the cold insulation box so as to extend over both the box body 15 and the lid 16. Recesses 21a, 2
1b, the lid 16 is put on the box body 15 and the
a and the lid-side recess 21b are integrated when they match, the hinge device 20 engages the box 15 and the lid 16, and
Function .

The upper side of the lid-side concave portion 21b is covered with an eave portion 22 extending to the upper surface of the lid 16. The hinge device 20 is protected by the eave portion 22. That is, this is used instead sitting is cool boxes even if a large load
Since the load is received by the eaves portion 22, a rib, an operation lever,
Various shafts and the like are protected by the eaves portion 22 and are not damaged. In addition, rainwater or the like is prevented from entering the recesses 21a and 21b, and rust is generated on the hinge device 20, fingers get wet, and the water accumulates between the recesses 21a and 21b and the operation lever.
Water that is eliminated or included on the passenger compartment. In addition, the eaves also prevent sand or the like carried by the wind from entering the recesses 21a and 21b.
22 , both the horizontal shaft 23 and the support shaft 25 have the lid 16
The smoothness of rotation at the time of opening and closing is also maintained.

The hinge device 20 is provided with a horizontal shaft 2 mounted on a box 15 as shown in FIGS. 2, 3 and 8.
3 and a lid 1 as shown in FIGS. 4, 5, 7 and 8
6 and a control lever 26 attached to the lid 16 via a support shaft 25 as shown in FIG.

A horizontal shaft 23 is provided in each box-side recess 21a.
Each book is provided. Each horizontal shaft 23 is provided with
Bracket 2 screwed to the inner wall of shell 17 in 1a
7 supported.

Two ribs 24 are provided in each lid-side recess 21b so as to correspond to each of the horizontal shafts 23, and project from the inner wall 18a of the shell 18 so as to be aligned in the longitudinal direction of the horizontal shafts 23. Have been. Each rib is provided with an outward cutout 29 that comes into contact with the horizontal axis from the inside when the lid is covered.

The operating lever 26 is provided in the concave portions 2 on both sides of the cool box.
As shown in FIG. 7, the ribs 24 are rotatably supported in the lid side recesses 21b so as to surround the ribs 24 from outside the recesses 21a, 21b. As shown in FIGS. 5 and 7, the shaft 25 supporting the operation lever 26 is provided with a bracket 32 protruding into the cover-side recess 21b in the same manner as the right and left wall surfaces 18b and the ribs 24 in the cover-side recess 21b. It is hung between. Operation lever 2
6 is connected to the shaft 25 via both left and right walls 26a and ribs 33 as shown in FIG. The operation lever 26
Is urged counterclockwise around the shaft 25 in FIG. 7 by a torsion coil spring 34 mounted on the shaft 25.
As a result, the operation lever 26 is always in the concave portions 21a and 21b.
Attempting to rotate inward, the inner surface of the upright wall rests against the rib 24 or the outer edge of the bracket 32.

The lower part of the operating lever 26 has a claw-shaped piece 35 which comes into contact with the horizontal shaft 23 from below at the time of covering and grips the horizontal shaft 23 together with the outward cutout 29. The upper side of the claw-shaped piece 35 is formed as an inward cutout 28 to facilitate grasping the horizontal shaft 23. The inward cutout 28 is formed below the rib 33, and a claw-shaped piece 35 is provided so as to be continuous with the rib.

As shown in FIG. 5, the claw-shaped piece 35 is formed so as to be able to enter between the adjacent ribs 24, and when the operation lever 26 is rotated inwardly into the recesses 21a and 21b, as shown in FIG. As shown in FIG. 2, the lower part of the horizontal shaft 23 comes into contact with the lower part of the horizontal shaft 23 and is separated from the horizontal shaft 23 when rotated in the opposite direction.

Next, the opening / closing operation of the lid 16 of the cool box will be described. When the lid 16 is closed, when the lid 16 is applied to the box body 15 so that the lower portions of the operation levers 26 enter the box-side concave portions 21a on both sides of the cool box, the claw-shaped pieces 35 are closed.
Because the lower slope 35a of the lower side contacts the horizontal shaft 23,
The operation lever 26 automatically turns outward against the urging force of the torsion coil spring 34.

The operation lever 26 may be rotated by hand. When the lid 16 is further pushed down, the rib 2
The horizontal shaft 23 enters the outward cutout 29 of FIG.

When the horizontal shaft 23 and the rib 24 are completely engaged, the operating lever 26 is rotated inward by the urging force of the torsion coil spring 34 into the recesses 21a and 21b.
5 is pushed below the horizontal shaft 23, and the inward notch 28 is engaged with the horizontal shaft 23.

Thus, the rib 24 firmly grips the horizontal shaft 23 together with the claw 35. In addition, the outside of the lid 16 side
The inward notch of the operation lever 26 is provided on the rib 24 having the notch 29
Since the rib 33 having 28 is applied via the horizontal axis, the horizontal axis 23 can be appropriately gripped even if the dimensional accuracy of the rib 24 is somewhat poor.

When the lid 16 is opened, to completely remove the lid 16 from the box 15, the operating levers 26 of the hinge devices 20 on both sides are operated to release the claw-shaped piece 35 from the horizontal shaft 23. In other words, the operating lever 26 is held by hand and turned outwardly of the recesses 21a and 21b against the urging force of the torsion coil spring 34. Thereafter, when the lid 16 is lifted above the box 15, the horizontal shaft 23 is detached from the outward cutout 29 of the rib 24, and the lid 16 is separated from the box 15.

In order to open the lid 16 in a single-open state, the operation lever 26 is operated on one hinge device 20 of the cool box, and the claw-shaped piece 35 is detached from the horizontal shaft 23.
As shown in FIG. 9, in the other hinge device 20, the horizontal shaft 23 is gripped by the outward cutout 29 of the rib 24 and the claw-shaped piece 35, and the lid 16 is rotatable about the horizontal shaft 23 as a fulcrum. Become. If the lid 16 is rotated upward with the horizontal shaft 23 as a fulcrum, the lid 16 can be opened in a single-open state.
When the lid 16 is fully opened, the upright wall of the operation lever 26 hits the corner 36 of the box-side recess and stops at the desired angle.
In this case, the rib 24 or the like hits the operation lever 26 from behind and presses the operation lever 26 against the corner 36.
The claws 35 do not escape from under the ribs 24. Therefore, the lid 16 does not fall off the box 15.

[0027]

According to the present invention, since the horizontal shaft is gripped by the rib having the outward cutout and the claw-shaped piece, the lid can be firmly connected to the box body and the lid can be opened in a one-sided manner. It can be used as a hinge when opening and closing.

Further, the rib provided in the lid Ri der only have an outward notch, inward notches forming a pair are provided on the operating lever
And therefore, the claw-like piece or twisting co be somewhat poor ribs dimensional accuracy of
The coupling force is not impaired by the action of the il spring .

[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 an enlarged view of a horizontal axis portion in FIG. 2;

FIG. 4 is a partially cutaway perspective view of a lid.

FIG. 5 is an enlarged view of a rib portion in FIG.

FIG. 6 is an exploded perspective view of the operation lever.

FIG. 7 is a sectional view taken along the line VII-VII in FIG. 1;

FIG. 8 is a sectional view taken along line VIII-VIII in FIG.

FIG. 9 is a cross-sectional view similar to FIG. 8, showing a case where the lid is opened with a one-sided opening.

FIG. 10 is a partially cutaway sectional view showing a conventional hinge device.

FIG. 11 is a partially cutaway sectional view showing another conventional hinge device.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 15 ... Box 16 ... Lid 20 ... Hinge device 21a, 21b ... Concave part 23 ... Horizontal axis 24 ... Rib 26 ... Operation lever 29 ... Outward cutout 35 ... Claw-shaped piece

Claims (1)

(57) [Scope of request for utility model registration] 1. A cold storage box hinge device for connecting a lid to a box, wherein a concave portion extending over both the box and the lid is formed on both sides of the cool box, and a recess is formed in each of the box-side concave portions. fixed horizontal shaft, within each lid side recesses, a plurality of ribs projecting so as to be aligned in the length direction of the horizontal axis, the outward notch which contacts the inside to the horizontal axis at lidding An operation having a claw-shaped piece formed on the rib and in each of the lid-side recesses, which comes into contact with the lower side of the horizontal shaft and grips the horizontal shaft together with the rib having the outward cutout at the time of covering. A hinge device for a cool box, wherein a lever is urged inward by an elastic body and is supported by a shaft.