JP2001204346A - Lid opening/closing mechanism or cooler box - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide the subject mechanism intended to make a smooth opening/ closing operation in a structure for fitting a lid onto a container part in openable and detachable manner. SOLUTION: This lid opening/closing mechanism 4 is intended to fit a lid 3 onto a container part 2 having a space inside in openable and detachable manner, having engagement shafts 21, bearing members 20, locking members 23 and operative members 22, wherein the shafts 21 are disposed along the two rims of the lid 3 facing to each other, the bearing the members 20 are fixed on the container part 2, supporting the shafts 21 detachably and turnably, locking members 23 are each turnably mounted on the hearing members 20, having 23b; 22 is turnably mounted on 3 via 21, having 28a engageable with the engagement part of 23; and both 23 and 22, on turning, can take engagement position where 28a is engaged on 23b in such a condition that 21 is supported on 20 and disengagement position.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lid mounting mechanism for a cooler box, and more particularly to a lid of a cooler box for removably mounting the lid on a container having a space therein. A mounting mechanism,

[0002]

2. Description of the Related Art A cooler box used for fishing is
A body part in which a space for putting fish etc. is formed inside,
A lid mounted on the container so as to be openable and closable. In this type of cooler box, a double-sided opening type mounting structure in which a lid portion can be detachably attached to a container portion and can be freely opened from either of both edges of the container portion is disclosed in Japanese Utility Model Application Laid-Open No. H06-163686.
No. 4503, and the like.

[0003] The lid mounting structure disclosed in the above publication has an engagement shaft fixed to the lid, a bearing member, and an operation member. The bearing member is fixed to the container portion, and has a bearing portion in which the engagement shaft is opened so as to be able to enter and exit from above.
The operating member is rotatably mounted on the lid, and has a locking portion which can be locked at a position opposite to the bearing of the bearing member.

In this lid mounting structure, when the lid is closed, the engagement shaft enters the bearing. Here, when the operating member is rotated to lock the locking portion at a position opposite to the bearing portion of the bearing member, the engagement shaft is fixed in the bearing portion. Thus, the lid can be freely opened and closed with the engagement axis as the rotation axis.

[0005]

In the conventional lid mounting structure, the lid is mounted on the container simply by locking the locking portion of the operating member to the bearing member. In such a configuration, a certain force is required when the locking portion of the operation member is locked to the bearing member, and the mounting operation cannot be performed smoothly. In addition, if such mounting operation is repeated for a long period of time, wear and damage of both the operation and the bearing members become severe.

SUMMARY OF THE INVENTION It is an object of the present invention to facilitate opening and closing operations in a structure in which a lid is detachably mounted on a mounting portion so as to be freely opened and closed.

[0007]

A cover mounting mechanism for a cooler box according to a first aspect of the present invention is a mechanism for mounting the lid on a container having a space therein so as to be openable and closable and detachable. The vehicle includes a shaft, a bearing member, a lock member, and an operation member. The engagement shaft is arranged along two opposing edges of the lid. The bearing member is fixed to the container, and supports the engagement shaft in a detachable and rotatable manner. The lock member is rotatably provided on the bearing member and has an engagement portion. The operation member is rotatably mounted on the lid via the engagement shaft, and has an engaged portion which can be engaged with the engagement portion of the lock member. Then, the lock member and the operation member are rotated, whereby the engagement position where the engaged portion engages with the engagement portion with the engagement shaft supported by the bearing member is released from the engagement. A disengaged position can be assumed.

In this mechanism, the lid is disposed on the container so that the engagement shaft is supported by the bearing member, and the operating member is rotated to the engagement position, whereby the lid is moved relative to the container. It is possible to attach it. At this time, the operation members rotate together with the lock members and engage with each other. here,
The lock member, which is a mating member of the operation member, rotates together with the operation member and engages with each other. Therefore, the engagement operation is smoother than in the structure of the related art in which the mating member of the operation member is fixed. Also,
Wear of the engaging portion is reduced.

A cooler box lid mounting mechanism according to a second aspect of the present invention is the mechanism of the first aspect, further comprising an urging member for urging the lock member toward the disengaged position.
Here, the lock member is always urged toward the disengagement position. Therefore, when the operation member is rotated to be engaged with the lock member, the operation is facilitated. A cooler box lid mounting mechanism according to a third aspect of the present invention is the cooler box lid mounting mechanism according to the first or second aspect, wherein the lock member includes a retaining portion for restricting the engagement shaft from being separated from the bearing member when in the engagement position. Have.

Here, it is possible to prevent the engagement shaft from coming off the bearing member in the engaged state. According to a fourth aspect of the present invention, in the cooler box lid mounting mechanism according to any one of the first to third aspects, the bearing member has an engagement portion that engages with a part of the operation member at the engagement position. In this case, the engagement becomes more reliable.

[0011]

DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 shows a cooler box 1 employing one embodiment of the present invention. The cooler box 1 includes a box-shaped container 2, a cover 3 placed on the container 2, a handle 17 for carrying the cooler box 1, and a cover 3 with respect to the container 2. A pair of lid mounting mechanisms 4 for detachably mounting and opening and closing freely, and a lid 3
And a pair of lock mechanisms 5 for locking the

The container 2 has an opening at the top to form a space inside, and fish and the like are stored in this space. Since the container 2 requires a heat insulating effect, it has a three-layer structure including a foamed polyurethane heat insulating material (not shown) between a pair of polypropylene members serving as inner and outer surface walls. ing. Two opposite sides 2 of the container 2
c and 2d have recesses 10 for accommodating the handle 17;
Are formed downward from the upper end.

The lid 3 has a three-layer structure in which a heat insulating material (not shown) made of foamed polyurethane is included between a pair of polypropylene members serving as inner and outer surface walls, similarly to the container 2. It is configured. On the upper part of the lid part 3, a small lid 9 for allowing fish and the like to enter the space of the container part 2 is provided to be openable and closable. In the vicinity of the small lid 9, a push button 12 for opening the small lid 9 with one touch is arranged. A seal (not shown) for sealing is mounted around the lower surface of the lid 3. The packing is compressed when the lid 3 is closed, and comes into close contact with the open end of the container 2.

The handle 17 is rotatably attached to the side surface of the container 2, and is used when the handle 17 is rotated downward from the attitude shown in FIG. Posture. Next, the lid mounting mechanism 4 will be described. As shown in FIGS. 2 to 4, the lid mounting mechanism 4 includes a bearing member 20 provided on the container 2 side and a lid 3.
An engaging shaft 21 provided along a side edge of the operating member 22, an operating member 22 rotatably mounted on the engaging shaft 21, and a lock member 23 rotatably provided on the bearing member 20. Have.

As shown in FIG. 3, the bearing member 20 includes a mounting portion 25 to the container portion 2 and a pair of support portions 26 formed to project outward from both lateral ends of the mounting portion 25. Have. The mounting portion 25 is fixed to the container portion 2 with screws or the like, and a stopper 25a for restricting the rotation of the lower end portion of the lock member 23 is formed at the lower end portion. A receiving portion 26a that opens upward is formed on the support portion 26, and an engagement rib 26 is provided on the upper end of the outer end surface.
b is formed.

Two operation members 22 are mounted on two opposing sides of the lid 2 respectively. Each operation member 22 is a resin-made plate-like member that is long along the side of the lid 2. The operating member 22 has one end on the back side.
A pair of mounting portions 22a are formed.
Is rotatably attached to an engagement shaft 21 provided on the lid 3 side. The engagement shaft 21 is rotatable by being inserted into the receiving portion 26a of the bearing member 20. An engagement protrusion 28 is formed on the other end of the back surface of the operation member 22 so as to project perpendicular to the back surface. A recess 28a for engagement is formed on the tip side of the engagement protrusion 28.

The lock member 23 is a resin member that is long in the vertical direction and has a predetermined width in the horizontal direction, and is disposed so as to be sandwiched between a pair of support portions 26 of the bearing member 20. The lock member 23 is rotatably supported by the bearing member 20 by a pin 29 at a position above the intermediate portion in the vertical direction. On the upper side of the rotation support portion, a retaining protrusion 23a is formed at a lower end portion for restricting the engagement shaft 21 fitted in the receiving portion 26a of the bearing member 20 from coming off. An engagement portion 23b that engages with the engagement recess 28a of the member 22 is formed. A torsion spring 30 is disposed around the pin 29, and urges the lock member 23 in a direction in which the lower end rotates outward as shown in FIG.

Next, the mounting operation and the opening / closing operation of the lid 2 will be described. In the cooler box 1, the cover 3 can be removed from the container 2. In this case, all the operation members 22 on both the left and right sides may be opened. That is, the lock between the operation member 22 and the lock member 23 is released by rotating the lower end of the operation member 22 outward and upward. Therefore, in this state, the lid 3 can be removed from the container 2 by holding the lid 3 on both the left and right sides and lifting it upward.

When the cover 3 is mounted on the container 2, the cover 3 is first placed on the container 2. At this time, the engagement shaft 21 is inserted into the receiving portion 26a of the bearing member 20. In this state, the lock member 23 has a posture as shown in FIG. Next, the operation member 22 is moved downward (arrow A in FIG. 4).
Direction). Then, during this rotation, the engagement projection 28 of the operation member 22 comes into contact with the lower end of the lock member 23, and pushes the lock member 23 against the urging force of the torsion spring 30. When the operation member 22 is further rotated, the lock member 2
3 is in contact with the stopper 25a of the bearing member 20,
The rotation of the lock member 23 is stopped. When the operating member 22 is further pushed in from this state, the engaging portion 23b of the lock member 23 engages with the concave portion 28a of the engaging protrusion 28.

In such a state, the operating member 22 on the side of the lid 3 is formed by the engagement shaft 21 and the recess 28 a of the engagement protrusion 20.
The bearing is locked so as to sandwich the bearing member 20 and the lock member 23 on the container body 2 side. Therefore, the lid 3 is firmly pressed against the container 2, and the waterproof property is improved. In the locked state, as shown in FIG. 2, the edge of one end (upper end) of the operation member 22 is engaged with the rib 26 b beyond the rib 26 b of the bearing member 20. Therefore, the lock is more secure.

When only one side of the lid 3 is opened and closed, the operation member 22 on only one side may be turned to the open side. In this case, the other engagement shaft 21 functions as a hinge for opening and closing.

[0022]

According to the present invention, the lock member, which is the mating member of the engagement of the operation member, rotates together with the operation member and engages with each other. Therefore, the engagement operation is smoother than in the conventional structure in which the mating member of the operation member is fixed. Further, wear of the engaging portion is reduced.

[Brief description of the drawings]

FIG. 1 is a perspective view of a cooler box provided with a lid mounting mechanism according to an embodiment of the present invention.

FIG. 2 is a vertical cross-sectional view showing an unlocked state of the lid mounting mechanism.

FIG. 3 is a perspective view showing a bearing member of the lid mounting mechanism.

FIG. 4 is a longitudinal sectional view showing a locked state of the lid mounting mechanism.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Cooler box 2 Container part 3 Lid 4 Lid mounting mechanism 20 Bearing member 21 Engaging shaft 22 Operating member 23a Engaging part (locking member) 26b Engaging part (bearing member) 28a Engaged part 30 Energizing member

Claims (4)

[Claims] 1. A lid mounting mechanism for a cooler box for removably and removably mounting a lid on a container having a space therein, wherein the lid is mounted along two opposing edges of the lid. An engagement shaft disposed, a bearing member fixed to the container portion, and detachably and rotatably supporting the engagement shaft; and an engagement portion provided rotatably on the bearing member. A lock member; and an operating member rotatably mounted on the lid portion via the engagement shaft and having an engaged portion engageable with the engagement portion of the lock member. The operation member rotates,
A cooler that can take an engagement position where the engaged portion engages with the engagement portion while the engagement shaft is supported by the bearing member, and a disengagement position where the engagement is released. Box lid mounting mechanism. 2. The cooler box lid mounting mechanism according to claim 1, further comprising an urging member for urging the lock member toward the disengagement position. 3. The lock member according to claim 1, wherein the lock member has a retaining portion for restricting the engagement shaft from separating from the bearing member when in the engagement position. A lid mounting mechanism for the cooler box. 4. The bearing member according to claim 1, wherein said bearing member has an engaging portion which engages with a part of said operating member at said engaging position.
The lid mounting structure of the cooler box according to any one of the above.