JP3028200B2 - Tightening mechanism and hook member used in the mechanism - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a tightening mechanism and a catch member used in the mechanism, and more particularly, to tensioning of a hook member by an appropriate tension, that is, tightening of a member to be tightened by an appropriate tightening force, and a hook member. The present invention relates to a tightening mechanism for reducing the size of a device and a hook member used in the mechanism.

[0002]

2. Description of the Related Art Various types of tightening mechanisms have been known for holding a lid and a container in a tightened state, for example, in a container having a lid that can be opened and closed. As shown in FIG. 7, a hook-shaped hooking member 80 is arranged on a container (not shown), and a U-shaped hooking member 20 hooked on the hooking member 80 is arranged on a lid. Operating lever 3 pivotally supported on the lid
0 is provided with an eccentric shaft (tension holding member), and each end of the U-shaped hooking member 20 is pivotally connected to the eccentric shaft (2).
1) This allows the hooking member 80 to be hooked, and the hooking member 20 hooked on the hooking member 80 is tensioned by the closing operation of the lever main body 32 to hold the lid and the container in a tightened state. One of the mechanisms is known as one of them. In this tightening mechanism (FIG. 7), the receiving member 80
Is provided integrally with a fixing plate 81 and a hook 83, and the hooking member 80 is fixed to the container by an arbitrary method such as riveting a fixing hole 81b formed in the fixing plate 81. A lever 30 is fixed to an openable and closable lid attached to the container, and is pivotally connected to a lever main body 32 of the operation lever 30 so that the hooking member 20 can be hooked to a hooking portion 83a of the hook 83. The latch member 20 movably attached to the latch member 80 is tensioned by the closing operation of the lever body 32 as described above, and is released by the opening operation of the lever body 32. It is configured.

As another tightening mechanism, as shown in FIG. 8, a hooking member 90 provided in place of the above-described hooking member 20 is continuously provided together with a hook bar 94a hooked to the hooking member 80. U-shaped hooking portion 94 and each end (21)
Can be slid so that a pair of pivot portions 93 pivotally attached to the lever body 32 of the operation lever 30 can slide.
One end 94a of the pair of pivots 93 and the other end 93a of the pair of pivots 93 are respectively associated with each other, and a mechanism in which the hooks 94 and the pivots 93 are engaged with each other via a spring 92 provided outside the pivots 93 is known. Have been. In this tightening mechanism (FIG. 8), the hooking member 80 includes the fixing plate 81 and the hook 83 integrally formed,
The engaging member 80 is fixed to the container by an arbitrary method such as riveting the fixing hole 81b formed in the fixing plate 81, and the operation lever 30 is fixed to the openable / closable lid attached to the container. And the hooking member 90
Is pivotally attached to the lever main body 32 of the operation lever 30, and the hooking member 90 engaged with the hooking member 80 is tensioned by the closing operation of the lever main body 32 as described above. The tension is released by the opening operation.

As for other members shown in FIGS. 7 and 8, please refer to the description of each member in the embodiment of the present invention based on FIGS.

[0005]

However, in the above-mentioned conventional tightening mechanism (FIG. 7), the tension applied to the hooking member 20 causes the hooking member 80 and the tightened member of the hooking member 20 to be tightened. (E.g., container, lid, etc.)
That is, the tension is determined at the time of the arrangement, and even when the determined tension is extremely large, the tension cannot be appropriately adjusted to an appropriate tension. Therefore, each tightened body to be tightened and the tightening mechanism itself for applying the tightening force may be damaged.

On the other hand, in the above-described conventional tightening mechanism (FIG. 8), as described above, a spring 92 is provided outwardly of the U-shaped hooking portion 94 and the pivoting portion 93 which are arranged corresponding to each other. (Elastic member), and the receiving member 80
And a U-shaped hooking portion 94 hooked to
1) via the spring 92 disposed so as to sandwich the pair of pivot portions 93 pivotally attached to the operation lever 30 by each end 94a of the hook portion 94 and each other end 93a of the pair of pivot portions 93. Since the hooking is carried out, the tension can be moderately reduced without being affected by the arrangement of the hooking member 80 and the hooking member 90 on the tightened member, but the hooking member 90 (spring 92, The width becomes large in the part of the pivoting part 93 and the hook part 94 (FIG. 8B), and the position at which it can be attached to the tightened body,
It was often not possible to install the device due to restrictions on the mounting space.

Further, in any of the above-described conventional tightening mechanisms, a hooking member 80 as shown in FIGS.
In fact, no attention has been paid to the idea of providing an elastic member such as a spring on the hook member 80 itself.

The present invention focuses on the above-mentioned drawbacks of the prior art and solves the problem. The purpose of the present invention is to moderate the tension of the tension holding member added to the hooking member and reduce the tension. An object of the present invention is to provide a tightening mechanism that can tighten a tightening body with an appropriate tightening force and can also reduce the size of a hooking member, and a hooking member used in the mechanism.

[0009]

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned object, and its gist is to provide a hooking member provided on one of the tightened members, and a hooking member. The hook member is disposed on the other tightened body, and the hook member is provided so as to be hookable on the hook member, and the hook member hooked on the hook member is tensioned. A tension holding member for holding, and a tightening mechanism for tightening a to-be-opened or separable to-be-tightened object, wherein the tensioning member is extended and contracted according to the tension applied by the tension holding member added to the hook member engaged with the hook member. An elastic member capable of being provided is provided on the hooking member. According to this aspect, since the elastic member that can expand and contract according to the tension of the tension holding member that is added to the hook member engaged with the hook member is provided on the hook member, the tension holding that is added to the hook member In addition to appropriately relaxing the tension by the members, the tightened body can be tightened with an appropriate tightening force.
There is a remarkable effect that the size of the hook member can be reduced.

Another subject of the present invention is a hook member used in the tightening mechanism, wherein the elastic member is capable of expanding and contracting according to the tension of the tension holding member added to the hook member engaged with the hook member. Is provided on the hooking member. According to this aspect, since the elastic member that can expand and contract according to the tension of the tension holding member that is added to the hook member engaged with the hook member is provided on the hook member, the tension holding that is added to the hook member The same remarkable effect as that described above is obtained such that the tightened member can be appropriately moderated to tighten the tightened body with an appropriate tightening force, and the hooking member can be downsized.

[0011]

BEST MODE FOR CARRYING OUT THE INVENTION The elastic member provided in the tightening mechanism and the catch member according to the present invention may be a spring, rubber, or the like, and an appropriate member may be arbitrarily selected and employed. . Further, as the tightened body tightened by the tightening mechanism according to the present invention and the tightened body to which the receiving member according to the present invention is attached, for example, a container having a lid that can be opened and closed, and a lid that can be separated. A mounted container, an openable / closable door, and the like can be raised. Further, the receiving member and the tension holding member directly disposed on the tightened body can be fixed to a desired position of the tightened body by any method such as riveting.

The tension holding member and the hooking member used in the tightening mechanism according to the present invention are further pivotally moved with respect to a lever body pivotally supported by an operation lever provided on one of the tightened members. Any conventional one in which a hooking member is pivotally attached to an eccentric shaft to obtain it can be adopted.

In the tightening mechanism and the catching member according to the present invention, particularly when the catching member is engaged with the catching member, the catching portion is disposed below the catching member, and the catching portion is attached to the catching portion. If the embodiment is carried out in a state in which the member is hooked (FIGS. 4 to 6), a mode in which the hooking member is hooked on the lower end of the elastic member that urges the hooking portion downward can also be adopted. According to this aspect, the elastic member expands and contracts according to the tension applied by the opening and closing operation of the operation lever, and the above-described receiving portion urged downward by the elastic member moves up and down as the elastic member expands and contracts. Therefore, an effect is obtained that the tension of the hook member engaged with the elastic member can be reduced within the original shape of the elastic member. Further, if grooves are provided on both sides of the housing portion in which the elastic member is housed, the hook members can be allowed to move up and down, without the need for hook-shaped hooks and the like.
Accordingly, it is possible to prevent unnecessary tightening of a member other than the hooking member in the tightening mechanism as described above.

[0014]

Embodiments of the present invention will be described below with reference to the accompanying drawings, but the present invention is not limited to these embodiments.
Here, FIG. 1A is a schematic right side view showing an embodiment of the tightening mechanism of the present invention, FIG. 1B is a schematic front view of FIG. 1A, and FIG. It is a schematic bottom view of the hanging member 10 shown to b). FIG. 2A is a schematic longitudinal sectional view of the hooking member 10 along the line AA in FIG. 1, and FIG.
FIG. 2 is a schematic longitudinal sectional view of the hanging member 10 taken along line BB of FIG.
(C) is a schematic cross-sectional view of the hanging member 10 along the line CC in FIG. 1. 3 (a) and 3 (b) are schematic right side views showing the use of the tightening mechanism of FIGS. 1 and 2 with time.

The tightening mechanism according to the present invention shown in FIGS. 1 to 3 is disposed on a container (not shown) of a tightened body that can be opened and closed or separated, for example, a container having a lid that can be opened and closed. A catching member 10 that houses and accommodates a spring 14 (elastic member) that can expand and contract according to the tension of the tension holding member 30, a U-shaped hooking member 20 that is hooked on the hooking member 10, and a lid. , The U-shaped hook member 20 is provided so as to be hookable to the hook member 10, and the hook member 20 hooked to the hook member 10.
And a tension holding member 30 that holds the tension.

The hanging member 10 is shown in FIGS.
As shown in FIG. 3, two springs 14 and a space for accommodating the springs 14 are secured, and the fastening member 10 is attached to the container by the fixing portions 11a and 1a.
A spring accommodating portion 11 having a fixing hole 11b drilled in 1a; a reinforcing plate 12 for sealing a back (not shown) opened behind the spring accommodating portion 11 and reinforcing the fixing portion 11a; The hook 13 is hooked below the spring 14 housed in the spring housing 11 and protrudes from above the spring housing 11 and is curved. The hook 13 includes a hooking portion 13a to which the U-shaped hooking member 20 is actually hooked, and an extending portion 13b extending vertically.
And a bottom portion 13c hooked below the spring 14,
There is provided a partition 13d for defining a housing space for each spring 14 housed in the spring housing portion 11.
A fixing hole 12a communicating with a position corresponding to the fixing hole 11b formed on the fixing plate 11a of the spring accommodating portion 11 is formed in the reinforcing plate 12 (FIG. 2C).
Further, the partition 13d of the hook 13 is formed by cutting a part of the extension portion 13b and bending it (13d ').

The U-shaped hooking member 20 hooked to the hooking member 10 is pivotally attached at each end to an operation lever 30 which is directly fixed to a lid openably and closably attached to the container. The U-shaped hooking member 20 hooked to the hooking member 10 is tensed by the closing operation of the lever main body 32, and is released by the opening operation of the operation lever 30.

The operation lever 30 includes a side plate 31a, a projection 31
b, and a fixing hole (not shown).
And a lever body 32 having a side plate 32a, a knob 32b, a notch 32c, and a shaft hole 32d, which is supported by a pivot 33 on the side plate 31a of the seat plate 31. Become. Also, the side plate 32 of the lever body 32
Each end of the above-described hooking member 20 is pivotally attached to a at a position eccentric separately from the shaft hole 32d (21). still,
The protruding piece 31b provided on the seat plate 31 can match the notch 32c of the lever main body 32 when the closing operation is performed.

As shown in FIG. 3 (a), the tightening mechanism first engages the hook member 20 with the hook 13 of the hook member 10 when the lever body 32 of the operation lever 30 is open.
Then, as shown in FIG. 3B, the lever main body 32 of the operation lever 30 is closed. Lever body 32
, The end portion (21) of the hooking member 20 pivotally attached to the side plate 32a of the lever main body 32 moves around the pivot 33 in a direction away from the hooking member 10, and moves toward the hooking member 10. It is moved until it passes a position where maximum tension is to be applied. The hooking member 20 that has passed through the position where the maximum tension is applied is held in a state where a tension slightly smaller than the maximum tension is applied. As described above, according to the situation where the end (21) of the hooking member 20 moves, that is, according to the variation in the tension, the hooking member 1
When the spring 14 expands and contracts in the 0 spring housing portion 11, the hook 13 moves in and out from above the spring housing portion 11, the hook member 20 is tightened by an appropriate tension, and the container and its lid are tightened by an appropriate tightening force. Is done.

Hereinafter, another embodiment of the present invention will be described with reference to FIGS. FIG. 4A is a schematic right side view showing an embodiment of the tightening mechanism of the present invention.
4B is a schematic front view of FIG. 4A, and FIG.
It is a schematic bottom view of the receiving member 40 shown to (b). 5A is a schematic longitudinal sectional view of the hanging member 40 along the line AA in FIG. 4, and FIG. 5B is a schematic longitudinal sectional view of the hanging member 40 along the line BB in FIG. FIG. 5C is a schematic cross-sectional view of the hanging member 40 taken along the line CC of FIG. Further, FIG.
FIGS. 6A and 6B are schematic right side views showing how the tightening mechanism of FIGS. 4 and 5 is used over time.

The tightening mechanism according to the present invention shown in FIGS. 4 to 6 is disposed on a container (not shown) of a member to be tightened which can be opened or closed, for example, a container having a lid that can be opened and closed, and will be described later. A catching member 40 provided with a spring 44 (elastic member) that can expand and contract according to the tension caused by the tension holding member 30, a U-shaped hooking member 20 to be hooked on the hooking member 40, and a cover provided on the lid In addition, the U-shaped hooking member 20 is provided so as to be hookable to the hooking member 40,
And a tension holding member 30 that tensions and holds the hook member 20 engaged with the hook receiving member 40.

The hook member 40 is shown in FIGS. 5 (a) to 5 (c).
As shown in (2), two springs 44 and a space for accommodating the springs 44 are secured, and the receiving member 40 is fixed to the container by the fixing portions 41a and 41a.
A spring accommodating portion 41 having a fixing hole 41b drilled in 1a, a reinforcing plate 42 for sealing a back (not shown) opened behind the spring accommodating portion 41 and reinforcing the fixing portion 41a; It is arranged below the spring 44 accommodated in the spring accommodating portion 41 and is urged downward, and includes a hook receiving plate 43c functioning as a hook. The hook receiving plate 43c functions as a hook, and corresponds to the bottom portion 13c of the hook 13 in the above-described embodiment to which the U-shaped hooking member 20 actually engages. An extension portion 43b extending upward from 43a and a partition 43 for defining a housing space for each spring 44 housed in the spring housing portion 41.
d. A fixing hole 42a communicating with a position corresponding to the fixing hole 41b formed on the fixing plate 41a of the spring accommodating portion 41 is formed in the reinforcing plate 42 (FIG. 5 (c)). 43d is a part obtained by cutting and bending a part of the extension portion 43b (43d ').

The U-shaped hooking member 20 hooked to the hooking member 40 is pivotally attached at each end to an operation lever 30 which is directly fixed to a lid openably and closably attached to the container. The U-shaped hooking member 20 hooked on the hooking member 40 is tensioned by the closing operation of the lever main body 32, and the tension is released by opening the operation lever 30.

The operation lever 30 includes a side plate 31a,
b, and a fixing hole (not shown).
And a lever body 32 having a side plate 32a, a knob 32b, a notch 32c, and a shaft hole 32d, which is supported by a pivot 33 on the side plate 31a of the seat plate 31. Become. Also, the side plate 32 of the lever body 32
Each end of the above-described hooking member 20 is pivotally attached to a at a position eccentric separately from the shaft hole 32d (21). still,
The protruding piece 31b provided on the seat plate 31 can match the notch 32c of the lever main body 32 when the closing operation is performed.

As shown in FIG. 6 (a), the tensioning mechanism first engages the hooking member 20 with the lever body 32 of the operating lever 30 opened and the hooking plate 43 of the hooking member 40.
c, and then as shown in FIG.
The lever body 32 of the operation lever 30 is closed. The closing operation of the lever body 32 causes the side plate 32a of the lever body 32 to be closed.
The end (21) of the hooking member 20 pivotally attached to the position moves around the pivot 33 in a direction away from the hooking member 40, and applies the maximum tension to the hooking member 20. It is moved until it passes. The hooking member 20 that has passed through the position where the maximum tension is applied is held in a state where a tension slightly smaller than the maximum tension is applied. As described above, the end portion (2
In accordance with the situation where 1) moves, that is, according to the fluctuation of the tension, the catching plate 43c moves up and down in the spring accommodating portion 41 with the expansion and contraction of the spring 44 in the spring accommodating portion 41 of the catching member 40. 20 is tensioned by moderate tension, and the container and its lid are clamped by moderate tension.

[0026]

According to the tightening mechanism and the catching member used in the mechanism according to the present invention, an elastic member capable of expanding and contracting according to the tension of the tension holding member added to the hooking member engaged with the hooking member is provided. Since the mode provided on the receiving member is adopted, the tension by the tension holding member added to the hooking member can be moderately relaxed, and the tightened member can be tightened with an appropriate tightening force. It has a remarkable effect that it can be achieved.

[Brief description of the drawings]

1A is a schematic right side view showing an embodiment of the tightening mechanism of the present invention, FIG. 1B is a schematic front view of FIG. 1A, and FIG.
FIG. 2 is a schematic bottom view of the hanging member 10 shown in FIG.

2A is a schematic longitudinal sectional view of the hooking member 10 along the line AA in FIG. 1, FIG. 2B is a schematic vertical sectional view of the hooking member 10 along the line BB in FIG. 1, (C) is a schematic cross-sectional view of the hanging member 10 along the line CC in FIG. 1.

FIGS. 3 (a) and 3 (b) are schematic right side views showing how to use the tightening mechanism of FIGS. 1 and 2 over time.

4 (a) is a schematic right side view showing another embodiment of the tightening mechanism of the present invention, FIG. 4 (b) is a schematic front view of FIG. 4 (a),
(C) is a schematic bottom view of the receiving member 40 shown in FIG. 4 (b).

5A is a schematic longitudinal sectional view of the hanging member 40 taken along the line AA in FIG. 4; FIG. 5B is a schematic vertical sectional view of the hanging member 40 taken along the line BB in FIG. 4; (C) is a schematic cross-sectional view of the hanging member 40 along the line CC in FIG. 4.

FIGS. 6 (a) and (b) are schematic right side views showing a method of using the tightening mechanism of FIGS. 4 and 5 over time.

7 (a) is a schematic right side view showing one mode of a conventional tightening mechanism, FIG. 7 (b) is a schematic front view of FIG. 7 (a), and FIG. 7 (c) is a hook shown in FIG. 7 (b). It is a schematic bottom view of the receiving member 80.

8 (a) is a schematic right side view showing another embodiment of the conventional tightening mechanism, FIG. 8 (b) is a schematic front view of FIG. 8 (a), and FIG. 8 (c) is shown in FIG. 8 (b). It is a schematic bottom view of the hanging member 80.

[Explanation of symbols]

 10, 40 Hook receiving member according to the present invention 11, 41 Spring accommodating part 12, 42 Reinforcement plate 13 Hook 14, 44 Spring 20, 20 'Hook member 21, 21' (pivotly attached) 30 Operation lever (tension holding member) 31 Seat plate 32 Lever main body 33 Axis 80 Conventional hooking member 81 Fixing plate 83 Hook 90 Hook member 91 (pivoted) 92 Spring 93 Pivot part 94 Hook part

──────────────────────────────────────────────────の Continued on the front page (58) Field surveyed (Int. Cl. ⁷ , DB name) B65D 35/44-35/54 B65D 39/00-55/16

Claims (2)

(57) [Claims] 1. A catching member provided on one of the clamped members, a catching member engaged with the catching member, and a catching member disposed on the other clamped body and receiving the catching member. A tightening mechanism for tightening a to-be-opened or separable to-be-tightened member, comprising: A tightening mechanism, wherein an elastic member capable of expanding and contracting in accordance with the tension applied by the tension holding member added to the hook member engaged with the hook member is provided on the hook member. 2. A catching member used in the tightening mechanism, wherein an elastic member is provided which is capable of expanding and contracting according to the tension of the tension holding member added to the hooking member engaged with the hooking member. A catch member characterized by the following.