JP2003112754A - Hinge device and container with lid - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a hinge device, which prevents early wear of a sealing member provided between a container main-body and a lid for covering/ uncovering the opening. SOLUTION: The hinge device 10 is formed of a pair of attachment members 20, 30. The first attachment member 20 is formed of a stationary part 21 and a movable part 22. The part 22 is attached to the stationary part 21 in the direction approaching/leaving the second attachment member 30. One end in the moving direction of the movable part 22 is connected rotatably through a hinge shaft 41 to the second attachment member 30. A coil spring 43 is provided between the stationary part 21 and the movable part 22 to bias the movable part 22 to the inside of the second attachment member 30.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a hinge device and a container with a lid using the hinge device.

[0002]

8 and 9 show an example of a conventional container with a lid. The lidded container 1 includes a container body 2 having an open upper end, and a lid body 3 that opens and closes an upper opening 2a of the container body 2. One side portion of the lid body 3 is one of the container body 2. It is connected to the side portion via a hinge 4 so as to be openable and closable.
The lid 3 is rotatable between a closed position and an open position. As shown in FIG. 8, in the closed position, the lower surface 3a of the lid 3 surrounds the opening 2a and the upper end surface 2b of the container body 2 is surrounded. It comes into pressure contact with. On the other hand, in the open position, the lid 3 is rotated 90 ° or more from the closed position to open the opening 2a.

The lower surface 3a of the lid 3 is provided with an accommodating groove 3b extending in an annular shape along the peripheral edge thereof. A seal member 5 made of an elastic material such as rubber is provided in the housing groove 3b over the entire circumference of the housing groove 3b. As shown in FIG. 9, the lower end of the sealing member 5 projects from the accommodation groove 3b when the lid 3 is open, and as shown in FIG. 8, when the lid 3 is closed, it projects from the accommodation groove 3b. The lower end of the seal member 5 hits the upper end surface 2b over the entire circumference. As a result, the opening 2a is sealed.

[0004]

When the lid 3 is opened and closed in the lidded container 1 having the above-described structure, the seal member 5 is moved in the horizontal direction by the horizontal movement component associated with the rotation. Therefore, the lower end portion of the seal member 5 is rubbed horizontally by the upper end surface 2b of the container body 2.
In this case, a portion of the seal member 5 which is separated from the hinge 4, that is, a left side portion (not shown) in FIG. 8 has a small horizontal movement component, and therefore is hardly rubbed by the upper end surface 2b. A portion of the seal member 5 in the vicinity of the hinge 4 has a large horizontal movement component of the seal member 5 due to the rotation of the lid body 3, and is largely rubbed by the upper end surface 2b. As a result, there has been a problem that the portion of the seal member 5 near the hinge 4 is worn early.

[0005]

A first aspect of the present invention is to provide a hinge device capable of solving the above-mentioned problems, in which a pair of mounting members are rotatably connected via a hinge shaft. In the hinge device according to the present invention, one of the pair of mounting members is provided to the fixing portion and the fixing portion so as to be movable in a direction orthogonal to the hinge shaft, and is rotated to the other mounting member via the hinge shaft. A movable part that is movably connected, and urges the movable part between the fixed part and the movable part in a direction in which the fixed part and the other mounting member are separated from each other. It is characterized in that a biasing means for operating is provided. In this case, it is desirable that one end of the movable portion in the urging direction of the urging means is rotatably connected to the other attachment member via the hinge shaft. Also,
A second aspect of the present invention is to provide a container with a lid capable of solving the above-mentioned problems. A container body having an opening and an annular portion surrounding the opening, and one side portion of the container body. A side portion of which is rotatably and rotatably connected via a hinge device, and which is provided with a lid body that closes the opening portion by being brought into pressure contact with the annular portion of the container body, and contacts the annular portion. A lidded container in which a sealing member is provided on either one of the end faces of the lid body so as to press and contact the other when closing, the hinge device according to claim 1 or 2 as the hinge device. Using the above, the fixing part of the one mounting member is attached to one of the container body and the lid, and the other mounting member is attached to the other of the container body and the lid. As a feature There.

[0006]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to FIGS. FIG. 1 (A)-
(C) shows an embodiment of a hinge device according to the present invention. The hinge device 10 of this embodiment is
The first and second mounting members (a pair of mounting members) 20 and 30 are provided.

The first mounting member 20 has a fixed portion 21 and a movable portion 22. The fixed portion 21 has a guide portion 21a having a U-shaped cross section in the central portion thereof, and a pair of mounting plate portions 21 integrally provided on both side portions on the open side of the guide portion 21a.
b and 21b. A shield plate 23 that shields the open portion is fixed to the open side portion of the guide portion 21a. Then, by the guide portion 21a and the shielding plate 23,
A guide hole 24 having a quadrangular cross section with both ends open is formed. On the other hand, a mounting hole 21c is formed through the mounting plate portion 21b. And the mounting hole 21c
The first attachment member 20 is attached to one of the two articles to which the hinge device 10 should be rotatably connected, for example, the container body A1 of the container A described later, by a fixing means such as a wood screw T (see FIG. 4) inserted in the container. It is supposed to be fixed.

The movable portion 22 has a substantially U-shaped cross section, and is slidably inserted in the guide hole 24. Both ends of the movable portion 22 penetrate the guide holes 24 and project to the outside. One end portion of the movable portion 22 in the sliding direction (see FIG.
The left end portion in (A) is rotatably connected to the second mounting member 30 via a hinge shaft 41 extending in a direction orthogonal to the sliding direction. A shaft 42 extending in a direction orthogonal to the sliding direction of the movable portion 22 is fixed to the other end of the movable portion 22. One end of a coil spring 43 as an urging means is connected to the shaft body 42. Coil spring 43
The other end portion of the fixed portion 2 via the pin 25 and the shielding plate 23
It is connected to 1. The movable portion 22 is biased from the other end side (the shaft body 42 side) toward the one end side (the second mounting member 30 side) by the coil spring 43. Therefore, when the movable part 22 is brought into a state where it can move freely,
It is moved toward the second mounting member 30 side. Then, both ends of the shaft body 42 are stopped by hitting the fixed portion 21. Therefore, the shaft body 42 is used not only as a member that supports one end of the coil spring 43, but also as a stopper that restricts the movement of the movable portion 22 from one end to the other end.

The second mounting member 30 has a flat plate shape, and the end portion on the first mounting member 20 side has the movable portion 2 as described above.
2 is rotatably connected via a hinge shaft 43.
The second mounting member 30 has a mounting hole 31 formed therethrough. Then, by means of a fixing means such as a wood screw T (see FIG. 4) inserted into the mounting hole 31, the hinge device 10 is attached to the other of the two articles to be rotatably connected, for example, to the lid A2 of the container A described later. 2 The mounting member 30 is fixed.

2 to 4 show a hinge device 10 having the above structure.
2 shows a container A with a lid according to the present invention in which is used. As shown in FIG. 3, the container A includes a container body A1 and
And a lid A2. The container body A1 has a box shape with an open top, and a horizontal flange portion (annular portion) A extending around the entire circumference of the upper end opening A1a.
1b is formed. On the other hand, the lid A2 has a plate-like shape, and an annular protrusion A2a is formed on the peripheral edge of the lower surface thereof. This annular protruding portion A2a has the same shape as the flange portion A1b in a plan view, and has a lid A2.
When the opening A1a is closed by the
It hits 1b all around. A mounting groove A2b extending in an annular shape along the annular protruding portion A2a is formed on a front end surface (lower surface) of the annular protruding portion A2a facing the flange portion A1b. A seal member A3 made of an elastic material such as rubber is attached to the mounting groove A2b.
It is inserted and fixed along the entire circumference of 2b. The lower end of the seal member A3 projects downward from the lower surface of the annular projecting portion A2a when the lid A2 is open. Therefore,
When the annular protruding portion A2a of the lid A2 is abutted against the flange portion A1b, the seal member A3 is pressed against the flange portion A1b while being elastically deformed by the amount of protrusion from the mounting groove A2a. Thus, when closed, the opening A1a of the container body A1 is closed by the lid A2.

One side of the container body A1 and the lid A2 (see FIG. 3)
5 and the left side in FIG. 5; hereinafter, the left and right means the left and right in FIG. ) Is provided with a first fastener 5, and a right side is provided with a second fastener 6.
Since the first and second fasteners 5 and 6 have a well-known structure, a brief description will be given. As shown in FIG. 3, the first fastener 5 includes a horizontal shaft 51 on the upper left side of the container body A1. Operation link 52 whose upper end is rotatably provided via
And an engaging link 54 whose lower end is rotatably connected to the lower end of the operation link 52 via a horizontal shaft 53, and a locking piece 55 fixed to the left side of the lid A2. Have Then, when the operation link 52 is rotated downward in the counterclockwise direction in FIG. 3 with the upper end of the engagement link 54 engaged with the locking piece 55, the annular protrusion A2a of the lid A2 is moved. The left part is the flange part A1b of the container body A1.
Pressed against. Then, the engagement link 54 and the locking piece 5
When the operation link 52 is rotated counterclockwise until the line connecting the shaft 53 and the engagement point with the shaft 5 passes through the center of the shaft 51, the operation link 52 and the engagement link 54 are located at the rotation position.
Is fixed in position, and consequently the left side portion of the lid A2 is kept in contact with the left side portion of the flange portion A1b. On the other hand, when the operation link 52 is rotated upward in the clockwise direction in FIG. 3, the engagement link 54 moves upward, and as a result, the engagement state between the engagement link 54 and the locking piece 55 is released. be able to. In the disengaged state, the left side portion of the lid body A2 can be separated upward from the container body A1.

The second fastener 6 has an operation link 62 whose upper end is rotatably provided on the upper right side of the container body A1 via a horizontal shaft 61, and a horizontal shaft 63 at the lower end of the operation link 62. An intermediate link 64 whose lower end is rotatably connected via a connecting piece 6 connected to the other side of the lid A2.
5 and 5. The intermediate link 64 and the connecting piece 65 are
It is rotatably connected via a horizontal shaft 66. Therefore, when the operation link 62 is rotated downward, the lid A
The right side of the two annular protruding portions A2a is pressed against the flange portion A1b of the container body A1. Then, the shaft 63 and the shaft 66
Operation link 6 until the line connecting with passes through the center of axis 61
When 2 is rotated in the clockwise direction, the operation link 62 and the intermediate link 64 are positionally fixed at the rotation position, and thus the right side portion of the lid A2 is kept pressed against the right side portion of the flange portion A1b. . On the other hand, when the operation link 64 is rotated upward, the intermediate link 64 and the connecting piece 65 are rotatably connected via the shaft 66.
The right side of 2 is moved upward with the rotation of the operation link 62.

As shown in FIGS. 2 and 4, the second fastener 6 is arranged at the center of the right side of the container A, and
On both sides of the fastener 6, the hinge device 10 moves the movable portion 22 in the vertical direction (the lid A2 is the container body A1).
The direction toward and away from).
The first attachment member 20 of the hinge device 10 is fixed to the container body A1, and the second attachment member 30 is fixed to the lid A2. Moreover, the lid A2 is attached to the first and second fasteners 5,
In the state of being closed by 6, the movable portion 22 is moved downward with respect to the fixed portion 21, and the second mounting member 30 is in a state of approaching the first mounting member 20. Therefore,
When closed, the coil spring 43 is greatly stretched.

In the container A having the above structure, the lid A2
Is assumed to close the opening A1a of the container body A1. When opening the opening A1a of the container body A1 from this state, first, the operation link 52 of the first fastener 5 is rotated upward to release the engagement state between the engagement link 54 and the locking piece 55. . Next, the operation link 62 of the second fastener 6 is rotated upward. Then, the right side portion of the lid body A2 is moved upward through the intermediate link 64, the shaft body 66, and the connecting piece 65. At this time, the coil spring 4 of the hinge device 10
Since 3 urges the lid A2 upward via the movable portion 22 hinge shaft 41 and the second attachment member 30, the lid A2 can be moved upward by the urging force of the coil spring 43. The lid body A2 is stopped when the movable portion 22 is stopped by the shaft 42 hitting the fixed portion 21. After that, the left side portion of the lid A2 is opened and rotated about the hinge shaft 41 of the hinge device 10 in the direction of the arrow in FIG. As a result, the opening A1a of the container body A1 can be opened.

When the lid A2 is opened and rotated, the right side portion of the lid A2 is moved upward, and the portion of the seal member A3 near the hinge device 10 is moved upward from the flange portion A1b of the container body A1. is seperated. Therefore, when the lid A2 is opened and rotated, the portion of the seal member A3 near the hinge device 10 is not rubbed by the flange portion A1b.

When closing the lid A2, first, the lid A2 is closed.
Is closed and rotated about the hinge shaft 41 of the hinge device 10, and its left side portion is abutted against the flange portion A1b. At this time, since the left side portion of the lid body A is largely separated from the hinge device 10, the left side portion of the seal member A3 is the flange portion A.
It is hardly scratched by 1b. afterwards,
The first fastener 5 allows the left side portion of the lid A2 to move to the container body A.
Fixed to 1. Next, the operation link 62 of the second fastener 6
Is rotated downward to move the lid A2 downward against the biasing force of the coil spring 43 of the hinge device 10. At this time, the lid A2 may be pushed downward by hand. After that, the right side portion of the annular protruding portion A2a of the lid A2 is abutted against the flange portion A1b and fixed. As a result, the opening A1a of the container body A1 is closed by the lid A2.

When the right side portion of the annular protruding portion A2a of the lid A2 abuts on the flange portion A1b, the seal member A3.
The right side portion of the seal member also abuts the flange portion A1b, but at this time, the right side portion of the seal member A3 only moves substantially in the vertical direction. That is, the seal member A3 has the flange portion A.
It only moves perpendicular to 1a. Therefore,
The seal member A3 is not rubbed horizontally by the flange portion A1b.

Thus, in the container A, the lid A2
When opening and closing, the seal member A3, particularly the portion near the hinge device 10 is hardly rubbed by the flange portion A1b of the container body A1. Therefore, it is possible to reliably prevent early wear of the seal member A3, particularly early wear of the portion near the hinge device 10.

FIGS. 5 to 7 show another embodiment of the container with a lid according to the present invention in which the hinge device 10 is used. In this container A ′, a second fastener 7 is used instead of the second fastener 6. The second fastener 7 has an operation link 7 rotatably provided on the upper right side of the container body A1 via a shaft 71 having a horizontal upper end.
2 and a connecting link 74 whose lower end is rotatably connected to the lower end of the operation link 72 via a horizontal shaft 73. The connection link 74 has a pair of arm portions 74a and 74b extending upward. The pair of arm portions 74a and 74b extend along the left and right sides of the hinge device 10, and the upper end portions of the arm portions 74a and 74b are rotatably connected to both end portions of the hinge shaft 41 of the hinge device 10, respectively. Has been done. Therefore, when the operation link 72 of the second fastener 7 is rotated downward in the clockwise direction in FIG. 6, the connection link 74 moves downward, and the right side portion of the lid A2 has the hinge shaft 41 and the second attachment member. It is moved downward via 30. When the operation link 72 is rotated clockwise until the line connecting the hinge shaft 41 and the shaft 73 passes through the center of the shaft 71, the operation link 72 and the connection link 74 are fixed in position at the rotation position. As a result, the right side portion of the lid body A2 is kept in contact with the flange portion A1b. On the other hand, when the operation link 72 is rotated upward, the connecting link 74 moves upward, and as a result, the right side portion of the lid A2 is moved upward. At this time, since the biasing force of the coil spring 43 acts upward on the lid A2, the lid A2 can be moved upward by the biasing force of the coil spring 43. Other configurations are similar to those of the container A.

The present invention is not limited to the above embodiment, but can be modified as appropriate. For example, in the above embodiment, the first attachment member 20 of the hinge device 10 is attached to the container body A1, and the second attachment member 30 is attached to the lid A.
Although the first mounting member 20 is mounted on the lid A2, the second mounting member 30 may be mounted on the container body A1. Further, although the seal member A3 is provided on the annular projecting portion A2a of the lid body A2, it may be provided on the flange portion A1b of the container body A1. Furthermore, in the above embodiment, the second attachment member 30 is connected to the tip of the movable portion 22 in the urging direction of the coil spring 43, which is the urging means, but the usage of the hinge devices A and A ' Depending on the situation, the second attachment member 30 may be connected to the rear end portion of the movable portion 22 in the biasing direction of the coil spring 43 or the intermediate portion of the movable portion 22.

[0021]

As described above, according to the present invention, it is possible to prevent the seal member, which is interposed between the container body and the lid, from being quickly worn by the opening / closing of the lid. The effect is obtained.

[Brief description of drawings]

FIG. 1 is a view showing an embodiment of a hinge device according to the present invention, FIG. 1 (A) is a plan view thereof, and FIG. 1 (B) is along line BB in FIG. 1 (A). A cross-sectional view, FIG. 1C is FIG.
It is sectional drawing which follows CC line | wire of (A).

FIG. 2 is a plan view showing a part of an embodiment of a container with a lid according to the present invention in which the hinge device shown in FIG. 1 is used, while omitting a part thereof.

FIG. 3 is a sectional view taken along line XX of FIG.

FIG. 4 is a partially omitted Y arrow view of FIG. 2;

5 is a plan view showing a part of another embodiment of the container with a lid according to the present invention in which the hinge device shown in FIG. 1 is used, while omitting a part thereof. FIG.

6 is a cross-sectional view taken along line XX of FIG.

FIG. 7 is a partially omitted Y arrow view of FIG. 5;

FIG. 8 is a cross-sectional view showing a main part of an example of a conventional container with a lid in a state where the lid is closed.

FIG. 9 is a cross-sectional view showing the main part with the lid opened by a predetermined angle.

[Explanation of symbols]

A container with lid A ′ container with lid A1 container body A1a opening A1b Flange part (annular part) A2 lid A3 seal member 10 Hinge device 20 First mounting member (one mounting member) 21 Fixed part 22 Moving part 30 Second mounting member (other mounting member) 41 Hinge axis 43 Coil spring (biasing means)

Claims (3)

[Claims] 1. A hinge device in which a pair of mounting members are rotatably connected via a hinge shaft, wherein one of the pair of mounting members is a fixing portion and the fixing portion is orthogonal to the hinge shaft. And a movable part rotatably connected to the other mounting member via the hinge shaft, and the movable part is moved between the fixed part and the movable part. A hinge device comprising: a biasing unit that biases the fixing portion and the other mounting member in a direction away from each other. 2. The hinge according to claim 1, wherein one end of the movable portion in the urging direction of the urging means is rotatably connected to the other mounting member via the hinge shaft. apparatus. 3. A container main body having an opening and an annular portion surrounding the opening, and one side of the container main body rotatably and rotatably connected to the one side of the container main body through a hinge device. A lid that closes the opening by being pressed into contact with the annular portion is provided, and either one of the annular portion and the end surface of the lid that comes into contact with the annular portion is provided to the other so as to surround the opening when closed. In a lidded container provided with a seal member that makes pressure contact, the hinge device according to claim 1 or 2 is used as the hinge device, and the fixing portion of the one attachment member is either the container body or the lid body. A container with a lid, wherein the container is attached to one of the containers, and the other attachment member is attached to the other of the container body and the lid.