JP2007162431A - Cover lid - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a cover lid which covers a water conduit or a water vessel even if the width thereof is long and makes opening and closing work easy and enables a wider area to be opened. <P>SOLUTION: The cover lid 1 is provided with a pair of plate members 12, and the plate members 12 are relatively rotatably coupled by a hinge member 13. The rotating axis which is relatively rotated at a coupling part of the plate members 12 is in parallel with a length direction, and a length in the width direction of the plate member 12 is longer than the length of the width of an opened part with a predetermined width. The cover lid 10 is arranged to cover a water conduit 90 as a lid, and the water conduit 90 is opened and closed by changing a relative angle of the plate members 12. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a cover lid disposed on a water channel or a water tank.

  The cover placed on the water channel or the water tank prevents the object or the like from dropping from the outside to the water channel or the water tank, or prevents the odor from the inside from leaking to the outside. In addition, a cover having strength is used so that it does not break when a load is applied to the cover, such as when a person rides on the cover.

Since such a cover is placed on the upper side of the water channel or the water tank, when the width of the water channel or the water tank is long, a long cover is used. Since such a cover needs to support its own weight or a load applied from above, a high-strength and lightweight material is used, and such a cover is described in Patent Document 1 and the like.
JP 2002-88739 A

  In a water channel or a water tank in which such a cover is used, the state of the water channel or the water tank may be checked, and may be opened as necessary. Therefore, a structure that can be easily opened and closed is desirable.

However, when the width of the water channel or the water tank becomes long, the overall size becomes large, and the cover becomes difficult to move.
In addition, a method is conceivable in which a plurality of slidable covers are arranged and the cover is slid so that the covers are overlapped to be opened. However, since separate guides and rails must be installed so that each cover can slide, the structure is complicated, and the structure in which two covers are stacked can open only half the area. Therefore, in order to open a wider area, it was necessary to overlap the cover lids.

  Therefore, an object of the present invention is to provide a cover that can be opened and closed, that can be easily opened and closed, and that can open a wider area.

  The invention described in claim 1 for achieving the above object has a pair of plate members connected so as to be capable of relative rotation, and the plate members have a length direction and a width direction. The rotation axis of the relative rotation is parallel to the length direction, the length in the width direction of the plate member is longer than the length of the width of the open portion having a predetermined width, and both ends of the width direction of the plate member are The open part can be opened and closed so that it can be changed to either the open state in which at least a part of the open part is open or the closed state that covers the open part. It is a cover characterized by being able to do.

  According to invention of Claim 1, it has a pair of board members connected so that relative rotation was possible, put both ends of the width direction of a board member on the edge of the both sides of the width direction of an open part, Since the open part can be opened and closed so that it can be changed to either an open state in which at least a part of the open part is open or a closed state in which the open part is covered, the opening and closing work is facilitated. However, a wider area can be opened.

  The invention according to claim 2 is such that the relative angle in the connection portion between the plate members is limited to a certain range, and the position of the connection portion in the closed state is more than the side opposite to the connection portion of each plate member. The cover according to claim 1, wherein the cover is on the upper side.

  According to the second aspect of the present invention, the relative angle in the connection portion between the plate members is limited to a certain range, and the position of the connection portion in the closed state is opposite to the connection portion of each plate member. Therefore, when changing from the closed state to the open state, the operation is particularly easy to perform.

  According to a third aspect of the present invention, a sheet member having flexibility is provided, and the sheet member covers a portion surrounded by the edge in the width direction of the plate member in the closed state and the edge of the open portion. The cover according to claim 2, wherein the cover is a cover.

  According to the invention described in claim 3, the flexible sheet member is provided, and the sheet member covers a portion surrounded by the end portion in the width direction of the plate member in the closed state and the edge of the open portion. Therefore, the open part can be covered more securely.

  The invention according to claim 4 is the cover according to any one of claims 1 to 3, wherein a wheel member that supports the plate member is provided.

  According to invention of Claim 4, the wheel member which supports a board member is provided, and the change between an open state and a closed state can be performed by rotating a wheel member, and opening and closing work is easier. Can be done.

  The invention according to claim 5 is the cover according to claim 4, characterized in that travel regulation means for regulating the traveling direction of the wheel member is provided.

  According to the fifth aspect of the present invention, since the travel restricting means for restricting the traveling direction of the wheel member is provided, the cover can be placed at the same position even when repeatedly opened and closed.

  The invention described in claim 6 has a plurality of pairs of plate members connected so as to be capable of relative rotation, and each plate member of each pair has a length direction and a width direction. The rotation axis of the relative rotation is parallel to the length direction, the length in the width direction of the plate member is longer than the length of the width of the open portion having a predetermined width, and both ends of the width direction of the plate member are The open part can be opened and closed so that it can be changed to either the open state in which at least a part of the open part is open or the closed state that covers the open part. It is a cover characterized by being able to do.

  According to the invention described in claim 6, there are a plurality of pairs of plate members connected so as to be capable of relative rotation, and each plate member of each pair has a length direction and a width direction. Therefore, a wider area can be opened and a wide range can be covered while facilitating the opening / closing operation.

  According to the cover of the present invention, opening and closing is easy and a wider area can be opened.

Hereinafter, specific examples of the present invention will be described.
FIG. 1 is a perspective view of a cover according to the first embodiment of the present invention. FIG. 2 is a perspective view showing the cover shown in FIG. 1 in an opened state. FIG. 3 is an enlarged perspective view of the body member of the cover shown in FIG. 4 is an enlarged perspective view of the main body member of the cover lid shown in FIG. FIG. 5 is a front view showing the main body member with the lid closed. FIG. 6 is a front view showing the main body member with the lid opened. 7 and 8 are explanatory views showing travel regulation means.

As shown in FIG. 1 and FIG. 2, the cover 1 in the first embodiment of the present invention is disposed on the upper side of a water channel 90 having an open portion at the top, and includes a body member 10, a sheet member 16, have.
Then, the cover 1 can cover the upper open portion of the water channel 90 and cover it to prevent the object from falling from the outside to the water channel 90 or to diffuse spoilage gas generated from the water channel 90. Can be prevented. Moreover, in the cover 1 of this embodiment, the state of the water channel 90 etc. can be confirmed by opening a cover and setting it as the state shown in FIG.
The water channel 90 of the present embodiment has a substantially constant width, extends in a predetermined direction, and is long. A plurality of cover lids 1 are arranged in the direction in which the water channel 90 extends.

3 and 4 show the main body member 10. 3 and 4, the illustration of the sheet member 16 is omitted.
The main body member 10 is provided with two plate members 12, a hinge member 13, and a wheel member 15. The two plate members 12 are rotatably connected via a hinge member 13 so that an opening / closing operation can be performed.

  Each plate member 12 is a rectangular plate and has a length direction L and a width direction W, and the two plate members 12 have the same shape. The plate member 12 has sides 30 and 31 facing in the length direction L and sides 32 and 33 facing in the width direction W. The sides 30 and 31 are both ends in the length direction L. Reference numeral 33 denotes both ends in the width direction W.

  Further, the length of the plate member 12 in the width direction W is longer than the width of the water channel 90 and is arranged in a state of bridging the edges 91 on both sides of the water channel 90. The wheel member 15 is disposed between the plate member 12 and the water channel 90.

  The material of the plate member 12 is not particularly limited, but is strong enough to prevent damage even when a load is applied from above in the closed state. For example, resin or metal is used. it can. By using the long fiber reinforced polyurethane foam resin for the plate member 12, it can be light and high in strength, and even when the cover 1 is used for the water channel 90 or the like, unlike the metal or the like, it does not rust.

  The position where the hinge member 13 is attached is in the vicinity of one side 30 facing each other in the length direction L of each plate member 12, and the direction of the rotation axis of the hinge member 13 is the width direction W of the plate member 12. It is attached. The two plate members 12 are arranged so as to be arranged in the length direction L via the hinge member 13.

  As shown in FIGS. 5 and 6, the hinge member 13 has two connecting plates 40 and a shaft portion 41 that connects the connecting plates 40, and the connecting plates 40 pivot on the shaft portion 41. Can be rotated. Each connecting plate 40 is fixed to each plate member 12.

  The relative angle θ between the connecting plates 40 of the hinge member 13 is limited to a certain range. Therefore, the relative angle θ of the plate member 12 is also in a certain range. The maximum value θmax of the relative angle θ of the hinge member 13 is smaller than 180 °, and the minimum value θmin of the relative angle θ is larger than 0 °. Accordingly, one side 30 of the plate member 12 on the side where the hinge member 13 is attached is always positioned above the other side 31.

When the relative angle θ is the maximum, the cover 1 is closed with the area covered by the water channel 90 widened, and when the relative angle θ is the minimum, the area covered by the water channel 90 is narrowed and opened. .
The range of the relative angle θ of the hinge member 13 is as described above. However, if the maximum value θmax is too large, one side 30 of the plate member 12 on the side where the hinge member 13 is attached in the open state becomes lower. In addition, it is difficult to change from the closed state to the open state, and if the maximum value θmax is too small, the area covering the water channel 90 becomes small, so the preferable range of the maximum value θmax is 90 ° to 150 °.
If the minimum value θmin is too large, the area covering the water channel 90 becomes large in the open state, and it becomes difficult to check the state of the water channel 90, so the preferable range of the minimum value θmin is 0 ° to 30 °.

As shown in FIGS. 3 and 4, two wheel members 15 are attached to each plate member 12, and a total of four wheel members 15 are provided. Then, while the plate member 12 is supported by the wheel member 15, the movement operation of the plate member 12 can be facilitated.
The position of the wheel member 15 is located near both ends in the vicinity of the other side 31 facing the one side 30, and at the intersection of the other side 31 and the side 32 or side 33 facing the width direction W. The corners 35 and 36 are formed. When using the cover 1, the wheel member 15 is in a state of being placed on the edge 91 of the water channel 90.

  The wheel 15 a of the wheel member 15 can travel in a direction perpendicular to the width direction W, and can travel along the vicinity of the edge 91. The wheel member 15 only needs to reduce friction between the wheel member 15 and the water channel 90 that is generated when the cover 1 is opened and closed by rotating the wheel 15a in a predetermined direction. it can.

  Although not shown, the wheel member 15 is provided with a wheel stopper. The wheel stopper can prevent the rotation of the wheel 15a, and can prevent the cover 1 from moving. And a wheel stopper can be used in an open state, and it can prevent from becoming a closed state. In addition, a well-known thing can also be employ | adopted for this wheel stopper.

The sheet member 16 is illustrated in FIGS. 1 and 2 and is a flexible sheet. And the sheet member 16 is attached to the sides 32 and 33 facing the width direction W of the two plate members 12, and four sheets are used.
The shape of the sheet member 16 is a right triangle having sides 32 and 33 as hypotenuses. The lower side of the sheet member 16 is located near the edge 91 of the water channel 90. And the sheet | seat member 16 covers the part enclosed by the edge | side 91 and the edges 32 and 33 located in the edge part of the width direction W of the board member 12 in a closed state, and this part is exposed. Is to prevent.

  When the cover 1 is in the open state, as shown in FIG. 2, the sheet member 16 is not bent, and the sheet member 16 is not obstructed from being in the open state. A resin sheet is used for the sheet member 16 of the present embodiment, but other materials can be used as long as they are flexible and have no air permeability.

  When the cover lid 1 is used to cover the water channel 90, a closed state as shown in FIG. Then, the main body member 10 and the sheet member 16 can cover the open portion of the water channel 90 and cover it.

  The sheet member 16 of the present invention covers almost all of the portion surrounded by the edge 91 and the sides 32 and 33 located at the end in the width direction W of the plate member 12 in the closed state. It may cover a part of.

  Further, when it is desired to check the inside of the water channel 90, the relative angle θ is decreased by moving the hinge member 13 upward or the wheel member 15 inward, and the open state is performed. In the cover 1 of this embodiment, since the wheel member 15 is provided, the opening / closing operation can be performed smoothly.

Although the cover 1 of the above-described embodiment is provided with the wheel member 15, the plate member 12 can be directly placed on the water channel 90 without providing the wheel member 15.
Further, the travel restricting means 50 as described below may be used so that the traveling position of the wheel member 15 is determined, and the same position may be traveled even when repeatedly opening and closing.

The travel restriction means 50 shown in FIG. 7 uses a rail 55 laid on the lower side of the wheel 15a, and the wheel 15a travels on the rail 55.
Further, the travel restricting means 51 shown in FIG. 8 forms a groove 56 at a position where the wheel 15 a of the water channel 90 travels so that the wheel 15 a travels in the groove 56.

The cover 1 described above is connected to the plate member 12 using the hinge member 13 so as to be relatively rotatable. However, the plate member 12 can be connected to be relatively rotatable using other means. For example, a method of forming a through hole penetrating in the width direction W in each plate member 12 and inserting a shaft member into the through hole can be employed.
Moreover, although the cover 1 in the above-described embodiment uses a pair (two sheets) of plate members 12 to connect them in a rotatable manner, the cover 1 is formed by connecting a plurality of pairs of plate members 12. Can be used. In this case, not only one side 30 but also the other side 31 is connected and formed using the hinge member 13.

  Since the cover 1 of the present invention covers the open portion, it can cover other than the water channel 90 as described above, and can be easily opened and closed.

It is a perspective view of the cover in the 1st Embodiment of the present invention. It is the perspective view shown in the state which opened the cover shown in FIG. It is the perspective view which expanded the main body member of the cover shown in FIG. It is the perspective view which expanded the main-body member of the cover shown in FIG. It is the front view which showed the main body member of the state which closed the lid | cover. It is the front view which showed the main body member of the state which opened the lid | cover. It is explanatory drawing which showed the travel control means. It is explanatory drawing which showed the travel control means.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Cover 10 Main body member 12 Plate member 13 Hinge member 15 Wheel member 15a Wheel 90 Water channel 91 Edge L Length direction W Width direction θ Relative angle

Claims (6)

  It has a pair of plate members connected so that relative rotation is possible, the plate member has a length direction and a width direction, and the rotation axis of the relative rotation is parallel to the length direction, The length in the width direction of the plate member is longer than the length of the width of the open portion having a predetermined width, and both ends in the width direction of the plate member are placed on both edges in the width direction of the open portion, so that at least one of the open portions A cover lid, wherein the open portion can be opened and closed so that the open portion can be changed to either an open state in which the portion is open or a closed state in which the open portion is covered.   The relative angle in the connection portion between the plate members is limited to a certain range, and the position of the connection portion in the closed state is above the opposite side of the connection portion of each plate member. Item 10. The cover according to Item 1.   The sheet member having flexibility is provided, and the sheet member covers a portion surrounded by an end portion in the width direction of the plate member in the closed state and an edge of the open portion. Cover lid.   The cover member according to any one of claims 1 to 3, wherein a wheel member that supports the plate member is provided.   The cover according to claim 4, further comprising travel restriction means for restricting a traveling direction of the wheel member.   There are a plurality of pairs of plate members connected so as to enable relative rotation, and each plate member of each pair has a length direction and a width direction, and the rotation axis of the relative rotation is The length in the width direction of the plate member is longer than the length of the width of the open portion that is parallel to the length direction and has a predetermined width, and both ends in the width direction of the plate member are edges on both sides in the width direction of the open portion. The open portion can be opened and closed so that the open portion can be changed to either an open state in which at least a part of the open portion is open or a closed state in which the open portion is covered. Cover lid.

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