JP3055657U - Spinner for steel drum - Google Patents

Abstract

(57) [Problem] To provide a tool capable of attaching and detaching a die of a steel drum of two kinds with a single tool and performing the attachment and detachment by a continuous turning operation. At one end, the grip handle 2 is fixed, and a ratchet wrench 4 for rotating the rotation shaft is mounted in the middle of the rotation shaft. On the peripheral surface at the other end of the rotation shaft,
A pair of recessed grooves 5a extending in the axial direction and engaging with a pair of engagement protrusions 10 in the small-diameter base 9 of the steel drum are formed to form the shaft-shaped mouthpiece 5, and the steel drum is formed. A hollow cylindrical hooking member 6 having a pair of projections 6a formed on the peripheral surface for engaging with the engaging protrusions 13 in the large-diameter mouthpiece 12 can be moved in the axial direction on the outer periphery of the shaft-like hooking member. And was provided.

Description

[Detailed description of the invention]

[0001]

[Technical field to which the invention belongs]

 The present invention relates to a tool for turning a base provided on a steel drum for attaching and detaching the base.

[0002]

[Prior art]

 Conventionally, a steel drum, also referred to as a drum can, is provided with a large-diameter base provided at a liquid inlet / outlet specified in JIS Z 1604 and a small-diameter base provided at an air hole. These ferrules are composed of a plug a having a thread on the peripheral surface as shown in FIGS. 1A and 1B and a flange b connected to the plug a, and are relatively firmly screwed into the steel drum. Engagement protrusions c, c extending in the radial direction are formed in the circular concave portion of the plug a, and each engagement protrusion c is provided with a tooth of a tool having a tooth protruding laterally from a rod in a spanner shape. After engaging, the rod is pivoted in the screw attaching / detaching direction to attach / detach the base.

[0003]

[Problems to be solved by the invention]

 Conventionally, two types of the above tools that match the dimensions of the two types of bases must be prepared, and the tools must be replaced each time according to the size of the base to be removed. Management is also troublesome. In addition, in order to attach and detach a single base, it is necessary to remove the tool from the base many times each time the tool is rotated about half a turn, and the workability is not good.

An object of the present invention is to provide a tool capable of attaching and detaching a die of a steel drum of two different sizes with one tool and performing the attachment and detachment by a continuous turning operation.

[0005]

[Means for Solving the Problems]

 In the present invention, a grip handle is fixed to one end of the rotating shaft, and a ratchet wrench for giving rotation to the rotating shaft is attached in the middle of the rotating shaft. A pair of concave grooves are formed to engage with a pair of engaging projections in a small-diameter die of a steel drum to form a shaft-shaped metal fitting, and an engaging projection in a large-diameter die of a steel drum is formed. The above-mentioned object is achieved by providing a hollow cylindrical hooking member having a pair of projections formed on the peripheral surface of the shaft-like hooking member so as to be movably inserted in the axial direction on the outer periphery of the shaft-like holding member. To achieve. The other end of the rotary shaft is formed as a square shaft, and the pair of concave grooves are formed at positions opposite to the peripheral surface thereof to form the shaft-shaped hooking fitting. The hollow cylindrical mouthpiece is provided at the center. It is formed in a substantially I-shaped cross-section having a square hollow portion through which the shaft-shaped mouthpiece is inserted, and is fixed to each mouthpiece at a position where the hollow cylindrical mouthpiece is moved in the axial direction. By providing the fixing device, it is possible to easily replace the clasp, and it is preferable that the fixing device is configured as in claim 3.

[0006]

[Embodiment of the invention]

 An embodiment of the present invention will be described with reference to the attached drawings. In FIGS. 2 and 3, reference numeral 1 denotes a rotating shaft, reference numeral 2 denotes a grip handle fixed to one end of the rotating shaft 1 with bolts 3, and reference numeral 4 denotes FIG. 4 shows a ratchet wrench provided in the middle of the rotating shaft 1 in the longitudinal direction. The other end of the rotating shaft 1 is provided with a shaft-shaped mouthpiece integrally with the rotating shaft 1 as shown in FIGS. A metal fitting 5 is provided, and a hollow cylindrical metal fitting 6 is inserted through the outer periphery of the metal fitting 5 so as to be movable in the axial direction of the metal fitting 5.

As shown in FIGS. 4 and 5, a flange plate 7 protruding left and right is provided at an intermediate portion of the rotary shaft 1, and an upper portion of the flange plate 7 is formed on a square shaft 8. As shown in FIG. 8, the square shaft 8 was inserted through the square hole 4g of the gear 4a of the ratchet wrench 4 so as to rotate integrally with the gear 4a. The gear 4a is rotatably held by a longitudinal main body 4b of the ratchet wrench 4. The main body 4b engages with the gear 4a and swings about a shaft 4d for transmitting turning of the main body 4b. A mold ratchet claw 4c is provided. A pressing pin 4e provided on the main body 4b is pressed against a protruding top of the ratchet pawl 4c by a spring 4f so that the ratchet pawl 4c in the turning direction of the ratchet wrench 4 is always engaged with the gear 4a. . To change the turning direction, the end of the ratchet pawl 4c protruding from the main body 4b is pushed.

[0008] The shaft-shaped hooking fitting 5 is for attaching and detaching a small-diameter mouthpiece. As shown in Fig. 6, a lower end portion of the rotating shaft 1 is a square shaft member having an H-shaped cross section. As shown in FIG. 9, the dimensions of the concave grooves 5a, 5a forming the H shape are formed so as to fit into the respective engaging projections 10, 10 of the small-diameter base 9, and the corners are formed. The width of the shaft member is formed so as to match the diameter of the base 9. The hollow cylindrical fitting 6 is for attaching and detaching a large-diameter mouthpiece. As shown in FIG. 6, a hollow member formed in a substantially I-shaped cross section having a square hollow portion 11 at the center. The hollow portion 11 is inserted into the shaft-shaped opening 5 so as to be movable in the axial direction, and its I-shaped width is large as shown in FIG. The diameter of the concave portion of the base 12 was adjusted so that the I-shaped both ends were engaged with the engaging projections 13 of the base 12 as the projections 6a by the rotation of the fitting 6.

In order to fix the hollow cylindrical mouthpiece 6 at a position moved upward along the axis of the shaft-like mouthpiece 5, it is pushed by a spring 14 and comes out of the cylinder 15. A fixing device 17 composed of a ball 16 is provided on the upper side of the hollow cylindrical fitting 6, and the ball 16 is provided at two places above and below the peripheral surface of the axial fitting 5 at intervals. The position of the hollow cylindrical mouthpiece 6 is fixed by fitting the fitting recesses 18 formed therein.

[0010] When removing the mouthpiece of the steel drum, the hollow cylindrical mouthpiece 6 of the tool is positioned below the shaft-shaped mouthpiece 5, and the hollow cylindrical mouthpiece 6 is attached to the steel drum. The grip handle 2 is gripped with one hand, and the ratchet wrench 4 is reciprocally rocked with the other hand. As a result, the metal fitting 6 comes into contact with each of the engagement projections 13 of the base 12, and the base 12 is moved only to the loose side, and this swing is continued until the base 12 is sufficiently loosened. Since the main body 4b of the ratchet wrench 4 is long, the base 12 can be loosened with a relatively small force, and after sufficiently loosened, the handle 2 can be turned to quickly remove the base 12. Next, the hollow cylindrical metal fitting 6 is moved upward along the axial metal fitting 5, and the axial metal fitting 5 is fitted into the recess of the small-diameter metal base 9 of the steel drum. When the handle 2 is grasped and the ratchet wrench 4 is reciprocated and rocked in the same manner as described above, the base 9 is loosened, and then the handle 2 is turned to remove the base 9.

When tightening the bases 9 and 12 on the steel drum, these bases are first screwed into the mouths of the steel drums by hand, and then fittings 5 and 6 that fit the bases 9 and 12 are fitted. The ratchet wrench 4 is turned in the screwing direction and tightened.

[0012]

[Effect of the invention]

 As described above, according to the present invention, a ratchet wrench is attached to the middle of the rotating shaft with the handle fixed, and a concave groove is formed at the lower end of the rotating shaft to form a shaft-shaped mouthpiece, which can be moved to the outer periphery A metal fitting with a hollow cylindrical shape with a projection formed on the peripheral surface is inserted through it, so that a single tool can be used to attach and detach the steel drum caps of two different dimensions, and the continuous turning operation Therefore, there is an effect that workability is improved and tool management is facilitated, and the effect can be further ensured by adopting the structure of claim 2 or 3.

[Brief description of the drawings]

FIG. 1 is an explanatory view of a base of a steel drum.

FIG. 2 is a plan view showing an embodiment of the present invention.

FIG. 3 is a side view of FIG. 2;

FIG. 4 is a side view of the rotation shaft of FIG. 2;

FIG. 5 is a plan view of FIG. 4;

FIG. 6 is a bottom view of FIG. 4;

FIG. 7 is a sectional view taken along line 7-7 of FIG. 4;

FIG. 8 is a sectional view taken along the line 8-8 in FIG. 3;

FIG. 9 is a side view of a main part in a state of being applied to a small-diameter die.

FIG. 10 is a side view of a main part in a state of being applied to a large-diameter die.

[Explanation of symbols]

1 rotating shaft, 2 grip handle, 4 ratchet wrench, 5 shaft-shaped metal fitting, 5a concave groove, 6 hollow cylindrical metal fitting, 6a projection, 9 small-diameter metal fitting, 10 ・
DESCRIPTION OF SYMBOLS 13 Engagement protrusion, 11 square hollow part, 12 large diameter base, 14 spring, 16 ball, 17 fixing device, 18
Mating recess

Claims (3)

[Utility model registration claims] 1. A grip handle is fixed to one end of a rotating shaft, and a ratchet wrench for applying rotation to the rotating shaft is mounted in the middle of the rotating shaft, and extends in the axial direction on a peripheral surface at the other end of the rotating shaft. Forming a pair of concave grooves to be engaged with a pair of engaging projections in the small-diameter die of the steel drum to form a shaft-shaped metal fitting, and engaging projections in the large-diameter die of the steel drum. A pair of projections that engage with the outer peripheral surface of a hollow cylindrical fitting having a pair of protrusions formed on the outer surface of the shaft-like fitting. Drum turning tool. 2. The hollow cylindrical hook, wherein the other end of the rotary shaft is formed as a square shaft, and the pair of concave grooves are formed at opposing positions on the peripheral surface thereof to form the shaft-like mouthpiece. A metal fitting is formed in a substantially I-shaped cross section having a square hollow portion through which the shaft-shaped fitting is inserted in the center, and the hollow cylindrical fitting is moved in the axial direction to each fitting. The die-turning tool for a steel drum according to claim 1, further comprising a fixing device for fixing the steel drum in the inclined position. 3. The fixing device according to claim 1, wherein the fixing device is formed on the outer peripheral surface of the shaft-shaped metal fitting provided on the middle cylindrical shaft-shaped metal fitting with a space therebetween in the axial direction. 3. A tool for turning a steel drum according to claim 2, wherein said tool is constituted by a fitting recess of said ball.