JP2010195460A - Lid opening and closing tool for drum can - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a lid opening and closing tool for a drum can capable of opening or closing a drum can without damaging it. <P>SOLUTION: The lid opening and closing tool 1 for a drum can D opens or closes a large lid 2 and small lid 3 provided on the drum can D, and is equipped with: a handle 11; a large lid fitting part 12 disposed at one end side of the handle 11, to be fitted with a protrusion 2c formed at the large lid 2 of the drum can D; a small lid fitting part 13 arranged inside the large lid fitting part 12, and fitted with a groove 3c formed at the small lid 3 of the drum can D. The top 13b of the small lid fitting part 13 is protruded from the top 12c of the large lid fitting part 12. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a drum can lid opening / closing jig for opening and closing two large and small lids provided on a drum can.

  A drum can is usually provided with two large and small screw caps. There are known jigs for opening and closing two screw caps with different diameters. For example, a large claw for opening and closing a large screw cap and a small screw cap at each end of a rod-like handle. One provided with a small claw (see Patent Document 1), or one provided with a concentric shape so that the fitting portion can be engaged with a projecting piece provided on each of the two large and small screw lids ( (See Patent Document 2).

JP-A-9-272064 Japanese Utility Model Publication No. 5-85557

  If opening / closing means are provided at both ends of the handle, it is necessary to change the handle, which is a burden on the operator. On the other hand, when they are provided concentrically, the work can be performed without changing them, but the drum can may be damaged by the large-diameter opening / closing means when opening / closing the small-diameter screw lid.

  Therefore, an object of the present invention is to provide a drum can lid opening / closing jig that can be opened and closed without damaging the drum can.

  The lid opening / closing jig of the present invention is a drum can lid opening / closing jig (1) for opening and closing two large and small screw lids (2, 3) provided on the drum can (D), and includes a handle portion (11), A large lid fitting portion (12) which is provided on one end side of the handle portion and is fitted to a fitted portion (2c) provided on the large lid (2) of the drum can, and the large lid fitting portion A small lid fitting portion (13) fitted to a fitted portion (3c) provided on the small lid (3) of the drum can, and the small lid fitting portion The upper end portion (13b) projects from the upper end portion (12c) of the large lid fitting portion, thereby solving the above-mentioned problem.

  According to the lid opening / closing jig of the present invention, when the large lid of the drum can is opened and closed, the large lid fitting portion is fitted to the fitted portion of the large lid and rotated to open and close the large lid. To open and close one small lid, a small lid fitting portion is fitted to a fitted portion provided on the small lid and rotated. Since the small lid fitting portion protrudes from the large lid fitting portion, the large lid fitting portion provided outside the small lid fitting portion contacts the drum can when the small lid is opened and closed. It will not hurt. In addition, since the large lid fitting portion and the small lid fitting portion are provided on the same side, the large lid and the small lid can be opened and closed without being changed by the operator during use.

  In one form of the lid opening / closing jig of the present invention, the fitting portion for the small lid is provided with a projecting portion (13a) projecting linearly, and the fitting portion for the large lid is provided with the projection portion. The cylindrical part (12a) surrounding the circumference | surroundings and the notch (12b) formed in the edge part of the said cylindrical part may be provided. According to this embodiment, since the cylindrical portion surrounds the protrusion, the protrusion protruding relatively thin is protected by the cylindrical portion. Therefore, it is possible to avoid unexpected troubles such as catching.

  In addition, in the above description, in order to make an understanding of this invention easy, the reference sign of the accompanying drawing was attached in parenthesis, but this invention is not limited to the form of illustration by it.

  As described above, in the lid opening / closing jig of the drum can of the present invention, when the large lid of the drum can is opened / closed, the large lid fitting portion is fitted to the fitted portion of the large lid and rotated. Open and close the large lid. To open and close one small lid, a small lid fitting portion is fitted to a fitted portion provided on the small lid and rotated. Since the small lid fitting portion protrudes from the large lid fitting portion, the large lid fitting portion provided outside the small lid fitting portion contacts the drum can when the small lid is opened and closed. It will not hurt. In addition, since the large lid fitting portion and the small lid fitting portion are provided on the same side, the large lid and the small lid can be opened and closed without being changed by the operator during use.

The perspective view which shows the lid | cover opening / closing jig | tool of the drum can which concerns on one form of this invention. The side view of the principal part of a lid | cover opening / closing jig | tool. The figure which shows the mode at the time of use of a lid | cover opening / closing jig | tool. The perspective view of a large lid. The perspective view of a small lid.

  FIG. 1 is a perspective view showing a lid opening / closing jig for a drum can according to an embodiment of the present invention. The lid opening / closing jig 1 is a jig for opening and closing the large lid 2 and the small lid 3 provided in the drum can D as shown in FIG. FIG. 4 is a perspective view of the large lid 2, and FIG. 5 is a perspective view of the small lid 3. The large lid 2 and the small lid 3 are large and small screw lids that are opened and closed by being rotated with respect to the drum can D. The drum D stores liquids such as various oils. The large lid 2 plugs the liquid inlet / outlet inside the drum D, and the small lid 3 plugs the air inlet / outlet when the internal liquid enters / exits. The large lid 2 is provided with a screw groove 2a that meshes with the drum D on the outer peripheral surface, and a large lid fitting portion 2b that fits the lid opening / closing jig 1 is provided inside the screw groove 2a. Similarly, the small lid 3 is provided with a screw groove 3a that meshes with the drum D on the outer peripheral surface, and a small lid fitted portion 3b that fits the lid opening / closing jig 1 is provided inside the screw groove 3a. Yes.

  The lid opening / closing jig 1 includes a handle portion 11 extending in one direction, and a large lid fitting portion provided on one end side of the handle portion 11 and serving as a large lid fitting portion that is fitted to the large lid fitted portion 2b. 12 and a small lid fitting portion 13 as a small lid fitting portion that is provided inside the large lid fitting portion 12 and is fitted to the small lid fitted portion 3b. The lid opening / closing jig 1 is made of metal and integrally formed by joining the members. A circular plate-like base portion 14 is provided on one end side of the handle portion 11, and the large lid fitting portion 12 and the small lid fitting portion 13 are provided on the same surface of the base portion 14.

  The large lid fitting portion 12 includes a cylindrical portion 12a that can be inserted inside the screw groove 2a of the large lid 2, and cutouts 12b that are provided at two locations on the end of the cylindrical portion 12a. The notch 12b is formed by cutting the end of the cylindrical portion 12a into a semicircular shape. The notch 12b is provided corresponding to the convex part 2c as two to-be-fitted parts of the large lid to-be-fitted part 2b. The convex portions 2 c are provided on the inner peripheral surface of the large lid 2 so as to face each other. The large lid 2 is opened and closed by the side surface of the notch 12b coming into contact with the side surface of the convex portion 2c and applying a rotational force. The small lid fitting portion 13 has a protruding portion 13a. One small lid fitted portion 3b has a central portion of a U-shaped member fixed to the inner bottom surface of the small lid 3, and a projection 13a is formed in a groove 3c formed as a fitted portion. Are formed so that they can be fitted together. The protrusion 13a is a straight protrusion having two chamfered sides, and is fitted in the groove 3c and rotated to open and close the small lid 3.

  The protrusion 13 a of the small lid fitting portion 13 is located inside the cylindrical portion 12 a of the large lid fitting portion 12. For this reason, when the cylindrical part 12a surrounds the projection part 13a which protruded with respect to the base part 14, the cylindrical part 12a also has a role which protects the projection part 13a. FIG. 2 shows a side view of the main part of the lid opening / closing jig 1. The upper portion 13b as the upper end portion of the protruding portion 13a protrudes by the height h from the upper portion 12c as the upper end portion of the cylindrical portion 12a. The protrusion 13a is formed by chamfering a hexagonal member, and is further connected to the base portion 14 via a circular member. This is because a hexagonal member is easy to fix and easy to process during two-chamfer processing.

  The operation of the lid opening / closing jig 1 will be described. When removing or attaching the large lid 2 to the drum can D, the cylindrical portion 12a is inserted into the large lid 2, and the convex portion 2c of the large lid fitted portion 2b and the notch 12b are fitted together to form the base portion. The large lid 2 is opened and closed by rotating or rotating the handle portion 11 around 14. In the case of the small lid 3, the protrusion 13 a can be fitted into the groove 3 c of the small lid 3 and can be opened and closed by operating the handle portion 11 in the same manner as the large lid 2. When the small lid 2 is opened and closed, the cylindrical portion 12a is positioned outside the small lid 3, but since the upper portion 13b of the protruding portion 13a protrudes from the upper portion 12c of the cylindrical portion 12a, the cylindrical portion 12a is The small lid 3 can be opened and closed without contacting the drum can D. Therefore, the small lid 3 can be opened and closed without damaging the drum D. Moreover, since each fitting part 12 and 13 is provided in one surface of the base part 14, the operator can perform a lid | cover opening / closing operation | work, without changing the lid | cover opening / closing jig 1, and it is efficient.

  The present invention is not limited to the above-described form and can be implemented in various forms. For example, in the present embodiment, the shape of the handle portion 11 has been described as a rod shape extending in one direction. Moreover, although the shape of the notch 12b has been described as a semicircular shape, it is not limited to this, and may be formed in various shapes. The large lid 2 can be opened and closed as long as it is meshed with the convex portion 2c. There may be play in the fitting between the large lid fitted portion 2b and the notch 12b and the fitting between the small lid fitted portion 3b and the protruding portion 13a. If they can be hooked together, the lid opening / closing jig 1 can open and close the large lid 2 and the small lid 3. The shape of the protruding portion 13a is not limited to a linear shape, and may be appropriately changed according to the shape of the small lid fitted portion 3b.

1 Lid Opening / Closing Jig 2 Large Lid 2b Large Lid Fitted Part 2c Convex Part (Fitted Part)
3 Small lid 3b Small lid fitted part 3c Groove (fitted part)
11 Handle part 12 Large lid fitting part (fitting part for large lid)
12a cylindrical part 12b notch 12c upper part (upper end part)
13 Small lid fitting part (small lid fitting part)
13a Protruding part 13b Upper part (upper end part)

Claims (2)

A drum can lid opening and closing jig for opening and closing two large and small screw lids provided on the drum can,
A handle,
A large lid fitting portion that is provided on one end side of the handle portion and is fitted to a fitted portion provided on the large lid of the drum can;
A small lid fitting portion that is provided inside the large lid fitting portion and fitted to a fitted portion provided on the small lid of the drum can,
A lid opening / closing jig for a drum can, wherein an upper end portion of the small lid fitting portion protrudes from an upper end portion of the large lid fitting portion.   The small lid fitting portion is provided with a protruding portion that protrudes in a straight line, and the large lid fitting portion is formed at a cylindrical portion that surrounds the protruding portion and at an end of the cylindrical portion. The lid opening / closing jig according to claim 1, further comprising a notch to be formed.

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