JP6277212B2 - Drum can connector - Google Patents

Description

  TECHNICAL FIELD The present invention relates to a drum can connector that connects drum cans that are erected side by side so as not to fall over due to shaking or vibration during an earthquake or transportation.

Japanese Patent No. 4522492 developed by the present applicant is a prior art of a connecting tool for preventing a conventional drum can from being overturned.
In the said patent, it comprises a gripping part which latches to the upper edge convex part of a drum can, and a connecting rod which has this gripping part at both ends, the gripping part can be rotated in the horizontal direction with respect to the connecting rod, Is characterized by having gripping claws facing each other in a vertically movable position.

  Then, one of the opposed gripping claws is loosely inserted into a vertical shaft provided on the other gripping claw so as to freely move up and down, and the connecting portion of the connecting rod is gently inserted between the opposed gripping claws on the vertical shaft via an elastic material. Therefore, there has been disclosed a structure in which one of the holding claws is moved up and down by loosening the nut by using the screw shaft of the nut as the vertical shaft.

Japanese Patent No. 4522492

  In the above-mentioned Japanese Patent No. 4522492, the opposed gripping claws can be separated from each other only in the vertical direction, and one of the opposed gripping claws is loosely inserted into the vertical shaft provided on the other gripping claw and the nut is loosened. It is possible to move up and down, one gripping claw moves up and down, and the connection part of the connecting rod is loosely inserted between the gripping claws via an elastic material on the vertical axis. Simplification of the configuration is desired.

  Therefore, the present invention is intended to provide a drum can connecting tool that can securely and firmly connect drum cans by a simple handling operation and fix them to each other to improve seismic resistance and prevent overturning.

  In the drum can connector according to the first aspect of the present invention, the gripping portion which is engaged with the outer periphery or the inner periphery of the upper edge convex portion of the drum can is rotated in the horizontal direction with respect to the connecting rod at both ends of the connecting rod. The gripping portion has gripping claws facing each other in an up-and-down position, the facing gripping claws are configured to be detachable in the vertical direction, and the facing gripping claws are configured to face the base portion in a facing direction. A guide surface is provided, and the guide surfaces are configured to be slidable in the vertical direction in a superposed state.

  According to a second aspect of the present invention, there is provided a drum can connector according to the first aspect of the present invention, wherein the gripping claw is loosely inserted between the connecting rod and the vertical shaft stop portion provided on the connecting rod so as to be movable up and down. The gripping claws that confront each other by raising and lowering the vertical axis can be freely separated in the vertical direction.

  According to a third aspect of the present invention, there is provided the drum can connector according to the second aspect, wherein the vertical shaft is a screw shaft and is screwed into a screw hole provided in the connection rod. According to a fourth aspect of the present invention, in the drum can connector, the vertical axis is a bolt.

  The drum can connector according to claim 5 is the invention according to any one of claims 1 to 4, wherein the guide surfaces provided at the bases of the gripping claws facing each other are inclined surfaces, and are configured in a superposed state. The gripping claws opposed to each other by sliding in the direction can be freely separated and connected in the horizontal direction.

  According to a sixth aspect of the present invention, there is provided the drum can connector according to any one of the first to fifth aspects, wherein the tip portion of the upper gripping claw forms a downward bent portion and the upper edge convex portion of the drum can. The lower end surface that abuts the inner periphery is a curved surface outward, and the tip surface of the lower gripping claw that abuts the outer periphery of the upper edge convex portion of the drum can protrudes from the connecting rod and curves inward. It is characterized by being a surface.

According to the first aspect of the present invention, since the upper edge convex portion of the drum can be gripped by the gripping claws of the gripping portion, the drum can be securely gripped, and the drum cans are connected to each other by a connecting rod having the gripping portions at both ends. However, if the other is locked to the locking object, the linkage distance is not widened and the stable connection state can be maintained.
Further, if both the gripping portions are gripped by one drum can, an effect that the connecting rod can be used as a connecting rope or belt binding portion is also exhibited.

  Since the gripping part is rotatable in the horizontal direction with respect to the connecting rod, even if the length of the connecting rod is constant, the gripping part is rotated to determine the gripping position and adjust the gripping interval. It has an effect that can be.

  In addition, the gripping claws that face each other are provided with guide surfaces in the facing direction at the base, and are configured to be slidable in the vertical direction in a superposed state. In addition to maintaining the positional relationship facing up and down in the vertical direction, the upper and lower gripping claws are opposed to each other and exert the effect of reliably gripping.

According to the invention of claim 2, in addition to the effect of claim 1, the gripping claw is fitted and inserted between the connecting rod and the vertical shaft stop portion provided on the connecting rod so as to be movable up and down. The gripping part is rotatable in the horizontal direction with respect to the connecting rod.
In addition, since the distance between the vertical shaft restraining portion and the connecting rod becomes wider and narrower as the vertical shaft moves up and down, the opposing gripping claws interposed between the restraining portion and the connecting rod can be freely separated in the vertical direction. Demonstrate.

  In the invention of claim 3, in addition to the effect of claim 2, since the vertical shaft is a screw shaft and is screwed into a screw hole provided in the connecting rod, the vertical shaft can be easily rotated by rotating the screw shaft. In addition to the effect of claim 3, the invention of claim 4 has the effect that the screw shaft can be rotated very easily because the vertical shaft is a bolt. In addition, there is an effect that the head portion of the bolt can be a restraining portion.

  In addition to the effect of any of claims 1 to 4, the invention of claim 5 is characterized in that the guide surfaces provided at the bases of the gripping claws facing each other are inclined surfaces and are superposed on each other, and are slid in the vertical direction. The gripping claws that are confronted by the movement can also be detached and attached in the horizontal direction. It will be clamped in an angled direction, and the effect of more reliable grip will be demonstrated.

  In addition to the effect of any one of the first to fifth aspects of the invention, the tip of the upper gripping claw forms a downward bent portion and abuts the inner periphery of the upper edge convex portion of the drum can. The lower end surface is an outwardly curved surface, and the tip surface of the lower gripping claw that abuts the outer periphery of the upper edge convex portion of the drum can protrudes from the connecting rod and becomes an inwardly curved surface. Therefore, it exerts the effect of positively abutting along the inner and outer circumferences of the upper edge convex part of the drum can, avoids co-rotation due to rotation of the screw shaft that is loosely inserted, and co-rotation of the connecting rod that makes contact It also has the effect of preventing

It is a perspective view which shows one Embodiment of the coupling tool of this invention. It is sectional drawing which shows the state of use of the coupling tool of this invention. It is sectional drawing which shows the state of use of the coupling tool of this invention. It is a perspective view which shows the upper holding claw and lower holding claw of the coupling tool of this invention.

Embodiments of the present invention will be described with reference to the drawings.
FIG. 1 is a perspective view showing an embodiment of a connecting device for a drum can according to the present invention, FIG. 2 and FIG. 3 are sectional views showing the use state of the connecting device, and FIG. 4 shows an upper gripping claw and a lower gripping claw. It is a perspective view shown.

The connector 1 includes gripping portions 2 and 2 that are engaged with the upper edge convex portion 11 of the drum 10 and a flat connecting rod 3 that places the gripping portions 2 and 2 on both ends. It is formed by gripping claws 4 and 5 that are detachable from each other in the vertical position.
The grip portion 2 is provided so as to be rotatable in the horizontal direction with respect to the connecting rod 3, and the grip portion 2 has grip claws 4 and 5 opposed to each other in the vertical position. It is configured to be detachable in the vertical direction.
The gripping claws 4 and 5 have a width substantially equal to that of the flat connecting rod 3.

The connecting rod 3 is provided with a vertical shaft 6 that can be moved up and down, and the vertical shaft 6 is gently inserted into the insertion holes 41 and 51 of the upper and lower gripping claws 4 and 5.
The upper and lower gripping claws 4, 5 are arranged in a state of facing each other between the restraining portion 7 of the vertical shaft 6 to be loosely inserted and the connecting rod 3.
The vertical shaft 6 is a screw shaft and is screwed into a screw hole 31 provided in the connecting rod 3. In the drawing, a bolt is used for the vertical shaft 6, and the head portion of the bolt is used as the restraining portion 7.

The upper gripping claw 4 has a gripping tip bent downward 42 so as to be easily caught by a band forming the upper edge convex portion 11 of the drum can 10, and further, the bent tip 42 has an upper edge convex portion 11 of the drum can 10. The lower end surface is formed with a curved surface 43 toward the outside.
On the other hand, the lower gripping claw 5 abuts the outer periphery 11B of the upper edge convex portion 11 of the drum can 10, and the tip of the lower gripping claw 5 protrudes from the connecting rod 3 to be placed even if it rotates in the horizontal direction. At the same time, the front end surface forms an inwardly curved surface 52.

The base portions of the gripping claws 4 and 5 facing each other are formed by bending the guide surfaces 44 and 53 downward or upward on the facing side.
The guide surfaces 44 and 53 are configured to be slidable in the vertical direction in a superposed state, and the upper and lower gripping claws 4 and 5 are integrally interlocked with the connecting rod 3 to rotate in the horizontal direction, Maintaining a positional relationship that is opposed to vertical separation caused by raising and lowering of the vertical shaft 6, the upper and lower gripping claws 4, 5 are opposed to each other and can be gripped securely.

In the drawing, the guide surfaces 44 and 53 are formed as inclined surfaces, and the guide surfaces 44 and 53 form an obtuse angle and an acute angle that are in a superposed state.
Therefore, as the vertical distance between the gripping claws 4 and 5 facing each other by raising and lowering the vertical shaft 6 is widened, the gripping claws 4 and 5 sliding on the inclined guide surfaces 44 and 53 can be separated and connected in the horizontal direction. In conjunction with this, there is an effect of clamping in the direction in which the root of the upper edge convex part 11 of the drum 10 is angled.
In the drawing, the insertion hole 41 of the upper gripping claw 4 is a long hole so that the movement in the horizontal direction can be performed without hindrance.

  Therefore, the upper edge convex portion 11 of the drum can 10 is disposed so as to be sandwiched between the gripping claws 4, 5, and the bolt as the vertical shaft 6 is rotated, whereby the bolt is provided in the screw rod 31 provided in the connecting rod 3. The gripping claws 4 and 5 interposed between the bolt head restraining portion 7 and the connecting rod 3 are pushed from above and below to approach each other, and at the same time the inclined surface portions 44, 53 slides in a superposed state, and the horizontal interval also approaches the grip side.

Therefore, the gripping claws 4 and 5 that face each other are close to each other in the vertical direction and the horizontal direction, and are clamped by being pinched in a direction in which an angle is formed at the base of the upper edge convex portion 11 of the drum 10. It is something that can be done.
Further, the lower end surface of the upper gripping claw 4 is an outward curved surface 43, and the distal end surface of the lower gripping claw 5 protrudes from the connecting rod 3 and is an inward curved surface 52. The drum 10 has a function of reliably abutting along the inner circumference 11A and the outer circumference 11B of the upper edge projection 11 of the drum can 10, and avoids co-rotation due to the rotation of the screw shaft that is loosely inserted, and the joint rod 3 that abuts. Prevents turning around.

Although the length of the connecting rod 3 is constant, if an appropriate place of the drum cans 10 and 10 to be linked is determined according to the length of the connecting rod 3, the gripping part 2 is rotated in the horizontal direction and finely adjusted to determine the position. Well, it is not necessary to match the locking positions of all the connecting tools 1 and the drum can 10.
Adjacent drum cans 10 are linked together by the connector 1, so that the whole body is integrated and the earthquake resistance is improved.

  The present invention has been specifically described above based on the embodiments shown in the drawings. However, the present invention is not limited to the above-described embodiments, and the connection rod 3 is gripped with a turnbuckle or the like interposed therebetween. The length between the portions 2 and 2 may be adjusted, and can be applied to a connector having the features of the present invention and exhibiting the same operation and effect without departing from the spirit of the invention.

DESCRIPTION OF SYMBOLS 1 Connecting tool 2 Holding part 3 Connecting rod 4 Upper gripping claw 5 Lower gripping claw 6 Vertical shaft 7 Stopping part 10 Drum can 11 Upper edge convex part 11A Inner circumference 11B Outer circumference 31 Screw hole 41, 51 Insertion hole 42 Bending 43 Curve to the outside Surface 44, 53 Inclined surface portion 52 Inwardly curved surface

Claims (6)

  At both ends of the connecting rod, gripping portions that are engaged with the outer periphery or inner periphery of the upper edge convex portion of the drum can are provided so as to be rotatable in the horizontal direction with respect to the connecting rod. Having opposed gripping claws, the opposed gripping claws are configured to be detachable in the vertical direction, the opposed gripping claws are provided with a guide surface in the opposite direction at the base, and the guide surfaces are in a superposed state with each other A drum can connector, characterized in that it is configured to be slidable in the vertical direction.   The gripping claws are loosely inserted between the vertical shaft restraining portion provided on the connecting rod so as to be lifted and the connecting rod, and the gripping claws facing the vertical shaft ascending and descending are separated vertically. The drum can connector according to claim 1, wherein the connector is freely accessible.   The connecting device for a drum can according to claim 2, wherein the vertical shaft is a screw shaft and is screwed into a screw hole provided in the connecting rod.   4. The drum can connector according to claim 3, wherein the vertical shaft is a bolt.   The guide surfaces provided at the bases of the gripping claws that face each other are inclined surfaces, and are configured to be superposed with each other, and the gripping claws that face each other by sliding in the vertical direction can be freely connected and disconnected in the horizontal direction. The drum can connector according to any one of claims 1 to 4.   The tip part of the upper gripping claw forms a downward curved part, and the lower end surface that abuts the inner periphery of the upper edge convex part of the drum can is an outwardly curved surface. 6. The drum can coupling as claimed in claim 1, wherein a tip end surface of the lower gripping claw that abuts the outer periphery of the portion protrudes from the coupling rod and is an inwardly curved surface. Ingredients.

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