JP3076101U - Hand tools - Google Patents

Abstract

(57) [Summary] [Problem] Not only can an object be broken, but also insert the tip into a gap or hole, hook the tip into the gap or hole, pull up an object, A hand-held tool capable of climbing upward is provided. A Y-shaped handle (2) includes a Y-shaped handle (2) and a hook-shaped tool part (3) attached to one end of the handle (2).
The rod 4 is bridged between the pair of branch portions 2a and 2a, and the tip portion 3a of the hook-shaped tool portion 3 is positioned on a plane where the Y-shaped handle 2 looks like a Y-shape. Are provided so as to intersect approximately vertically.

Description

[Detailed description of the invention]

[0001]

[Technical field to which the invention belongs]

 The present invention relates to a hand-held tool, not only to be able to break an object, but also to insert an end of the object into a gap or a hole, hook the end of the object into the gap or a hole, lift the object, or Hand tools that can climb upwards.

[0002]

[Prior art]

 As hand-held tools, pickaxes, tobikotsu and the like already exist.

[0003] The pickaxe has a rod-shaped handle attached to the center of a tool part made of iron and having a pair of tips each shaped like a beak of a crane, which is convenient for excavating hard earth and sand. It is.

In addition, the tobikochi has a bar-shaped handle having a length of about 2 m to 3 m with a hook like an iron toe beak attached to a tip thereof, so that a firefighter or a human foot can catch an object. It is used for carrying and breaking objects.

[0005]

[Problems to be solved by the invention]

 However, in the conventional pickaxe, the center of a tool part shaped like a crane is attached to each of a pair of tips at the tip of a rod-shaped handle. There is a problem that it is difficult to insert.

[0006] Furthermore, in the conventional pickaxe, when the tip is hooked into a gap or a hole of an object and the object is lifted upward, it is difficult for an operator to apply force because the handle is rod-shaped. When a worker tries to climb up a tool part shaped like a crane into a hole or a gap with each of a pair of tips, and the tip of the tool part gets out of the hole or gap, There was a problem that.

[0007] In addition, the Tobikochi is convenient for hooking and carrying objects or breaking objects, but the stick-shaped handle is relatively long. The problem is that it is difficult for the operator to apply force because the handle is stick-shaped to lift the object upward by hooking the tip of the object in the gap or hole of the object and lifting the object upward. Also, there is a problem in that if a tool part shaped like a beak of a hook is hooked into a hole or a gap and an operator tries to climb upward, the tip of the tool part may fall out of the hole or the gap.

[0008] The present invention has been made to solve the above-described problems, and not only can objects be broken, but also by inserting its tip into a gap or a hole and inserting it into a gap or a hole. To provide a hand-held tool that makes it difficult for the tip to fall out of gaps and holes when the object is lifted easily by hooking the tip or for workers to climb upwards, and that can be easily handled even in a narrow place. The purpose is.

[0009]

[Means for Solving the Problems]

 A hand-held tool according to claim 1, comprising a Y-shaped handle and a hook-shaped tool portion attached to one end of the Y-shaped handle, and a pair of Y-shaped handles branched into two. In the branch part, a rod is bridged, and the tip of the hook-shaped tool part is provided so that the Y-shaped handle crosses the plane that looks like the Y-character almost vertically. ing .

[0010] Since this hand-held tool has a hook-shaped tool portion, a person who lifts up an object, rescues a disaster, or performs civil engineering work by inserting the tip of the tool portion into a gap or hole of the object (this specification). In this case, such a person is referred to as a "worker.")

Further, since the handle is formed in a Y-shape, when the tip of the hook-shaped tool portion is hit against the object to break the object or form a hole or a gap in the object, the operator needs to handle the handle. By gripping the shaft part of the tool with one finger and the other finger on a pair of branch parts branched into two with a Y-shaped handle, the tip of the hook-shaped tool part is Can be hit.

In addition, when inserting the tip of a hook-shaped tool portion into a hole or a gap of an object and lifting the object, the operator is bridged by a pair of branch portions branched into two Y-shaped handles. An object can be easily lifted by grasping the stick with fingers and moving the arm upward.

[0013] Furthermore, since the tip of the hook-shaped tool portion is provided so as to substantially vertically intersect with the plane in which the Y-shaped pattern looks like the Y-shape, the operator can handle the object. When inserting the tip of the hook-shaped tool into the hole or gap and ascending upward, a pair of branching branches of the Y-shaped handle are placed in a plane direction with respect to the object with the hole or gap. Therefore, it is difficult for the tip of the hook-shaped tool part to come out of holes or gaps in the object.

[0014] Furthermore, if a rope is connected to a rod bridged by a pair of branch portions branched into two portions of a Y-shaped handle, a tip portion of a hook-shaped tool portion can be inserted into a hole or a gap of an object. After catching the rope, workers can easily climb upward using the rope.

[0015] In a hand-held tool according to a second aspect, the tip of a hook-shaped tool portion of the hand-held tool according to the first aspect has a pointed shape.

In this hand-held tool, since the tip of the hook-shaped tool portion is sharp, the tip portion of the hook-shaped tool portion can be easily hooked into a hole or a gap of an object.

[0017] Further, a hole or a gap can be easily formed on the object to catch the tip of the hook-shaped tool portion.

According to a third aspect of the present invention, there is provided a hand-held tool according to any one of the first to second aspects, wherein the angle of the bent portion of the hook-shaped tool portion is 90 degrees or slightly smaller. .

Here, the term “the angle of the bent portion of the hook-shaped tool portion of the hand-held tool, which is 90 degrees or slightly smaller” is used as the term “hook-shaped tool portion of the hand-held tool”. Means that the angle of the bent portion is 90 degrees or less.

It is preferable that the angle of the bent portion of the hook-shaped tool portion of the hand-held tool is not less than 85 degrees and not more than 90 degrees.

In this hand-held tool, the angle of the bent portion of the hook-shaped tool portion is 90 degrees or slightly smaller, so that the angle of the bent portion of the hook-shaped tool portion is larger than 90 degrees. When the tip of the hook-shaped tool is hooked into the hole or gap of the object, the tip of the hook-shaped tool is less likely to fall out of the hole or gap of the object than when the angle is set to a different angle. Therefore, if this hand-held tool is used, after hooking the tip of the hook-shaped tool into the hole or gap of the object, the worker etc. can safely climb upward using this hand-held tool. Can be.

According to a fourth aspect of the present invention, in the hand-held tool according to any one of the first and second aspects, the angle of the bent portion of the hook-shaped tool portion is set to 90 degrees or slightly smaller. .

Here, the term “the angle of the bent portion of the hook-shaped tool portion of the hand-held tool is slightly smaller than 90 degrees” as used herein refers to the bending of the hook-shaped tool portion of the hand-held tool. Means that the angle of the part is less than 90 degrees.

It is preferable that the angle of the bent portion of the hook-shaped tool portion of the hand-held tool is not less than 85 degrees and less than 90 degrees.

In this hand-held tool, since the angle of the bent portion of the hook-shaped tool portion is slightly smaller than 90 degrees, the angle of the bent portion of the hook-shaped tool portion is set to an angle larger than 90 degrees. After the tip of the hook-shaped tool is hooked into the hole or gap of the object, the tip of the hook-shaped tool is less likely to fall out of the hole or gap of the object. Therefore, if this hand-held tool is used, after hooking the tip of the hook-shaped tool into the hole or gap of an object, the worker etc. can safely climb upward using this hand-held tool. Can be. According to a fifth aspect of the present invention, the hand tool according to any one of the first to fourth aspects has a total length of about 40 cm or more and about 60 cm or less.

Since the total length of the hand-held tool is about 40 cm or more and about 60 cm or less, it is excellent in handleability in a narrow place.

According to a sixth aspect of the present invention, in the handheld tool according to any one of the first to fifth aspects, the hook-shaped tool portion is made of cutting tool steel.

This hand-held tool is excellent in durability because the hook-shaped tool portion is made of cutting tool steel.

[0029]

[Embodiment of the invention]

 Hereinafter, preferred examples of the hand-held tool according to the present invention will be described with reference to the drawings.

FIG. 1 is a perspective view schematically showing an example of a hand-held tool according to the present invention.

FIGS. 2 to 4 are diagrams schematically illustrating the hand-held tool shown in FIG.

More specifically, in FIG. 2, FIG. 2A is a plan view schematically showing the hand-held tool shown in FIG. 1, and FIG. 2B is a schematic view showing the hand-held tool shown in FIG. FIG. 2C is a bottom view schematically showing the hand-held tool shown in FIG. 1.

FIG. 3A is a rear view schematically showing the hand-held tool shown in FIG. 1, and FIG. 3B is a schematic view showing the hand-held tool shown in FIG. FIG. 3C is a left side view schematically showing the hand-held tool shown in FIG. 1.

FIG. 4A is a schematic sectional view taken along the line AA shown in FIG. 2A, and FIG. 4B is a sectional view of FIG. It is a schematic sectional drawing which follows the BB line shown in the inside.

The hand-held tool 1 includes a Y-shaped handle 2 and a hook-shaped tool portion 3 attached to one end of the handle 2.

A bar 4 is bridged between a pair of branch portions 2a, 2a branched into two of the Y-shaped handle 2. The hook-shaped tool portion 3 is provided with a tip portion 3a, a shaft portion 3b provided so as to be continuous with the tip portion 3a, and a shaft portion of the Y-shaped handle 2 provided so as to be continuous with the shaft portion 3b. 2b, and an insertion portion 3d inserted into a split portion (a split portion 2c shown in FIG. 2B) provided in the shaft portion 2b.

The tip portion 3a of the hook-shaped tool portion 3 is provided such that the Y-shaped handle 2 substantially vertically intersects a flat surface that looks like a Y-shape. The tip of the hook-shaped tool portion 3 has a pointed shape. Further, in this example, the angle θ of the bent portion 3c of the hook-shaped tool portion 3 is set to 90 degrees or slightly smaller. More specifically, the angle θ of the bent portion c3 is preferably selected from a range of 85 degrees or more and 90 degrees or less (85 degrees ≦ θ ≦ 90 degrees).

The hook-shaped tool portion 3 is made of a metal such as iron, more preferably, tool steel for cutting. When the hook-shaped tool portion 3 is made of cutting tool steel, the tool has excellent durability. The Y-shaped handle 2 includes a shaft portion 2b and a pair of branch portions 2a, 2a. In this example, the shaft 2b is made of wood. The pair of branch portions 2a, 2a are made of a metal such as iron.

In this example, the rod 4 bridged between the pair of branch portions 2a, 2a is made of wood.

The root portions 2c of the pair of branch portions 2a, 2a are equal to or slightly larger than the outer diameter of the shaft portion 2b, and are fixed by screws 6a, 6a after covering the shaft portion 2b. I have.

In this example, a metal plate portion 2f is provided at the center line of the base portion 2c of the pair of branch portions 2a, 2a, and a metal plate portion 2f is provided at the other end of the shaft portion 2b. When the split portion 2e to be received is provided, and the base portion 2c of the pair of branch portions 2a, 2a is put on the shaft portion 2b, the metal plate portion 2f is fitted into the split portion 2e provided on the shaft portion 2b. I am trying to.

The rod 4 is fixed to the pair of branch portions 2a, 2a by two threaded bolts (threaded bolts v, v shown in FIG. 4B).

The center of the bar 4 is made slightly thicker so that the bar 4 can be easily grasped with fingers or the like.

In FIG. 1, a member denoted by 5 is a cap member for preventing the Y-shaped handle 2 from breaking at one end of the shaft portion 2b, and the cap member 5 is made of iron, aluminum, nickel, or the like. Made of metal.

In FIG. 1, members indicated by reference numerals 6b and 6b are screws for preventing the hook-shaped tool portion 3 from falling off the Y-shaped handle 2. In this example, the screws 6 and 6b are used. As a result, the hook-shaped tool portion 3 is inserted into a crack portion (a crack portion 2c shown in FIG. 2B) provided on the shaft portion 2b of the Y-shaped handle 2. The insertion portion 3d is fixed to a split portion (a split portion 2c shown in FIG. 2B) provided on the shaft portion 2b of the Y-shaped handle 2. The total length of the hand-held tool 1 is not particularly limited, but is, for example, about 40 cm or more and about 60 cm or less in consideration of easy handling in a narrow place such as a building collapsed site. Is preferred.

Next, a method of using the hand-held tool 1 will be described. When the object is pulled up using the hand-held tool 1, for example, as shown in FIG. 5, the tip end of the tool portion 3 is inserted into a hole h of the object (in the example of FIG. 5, a manhole cover). The part 3a is hooked, and the stick 4 is lifted upward with fingers.

When using the hand-held tool 1 to break an object or to form a hole or a gap in the object, the operator holds the shaft 2b of the handle 2 with one finger and the other hand. By gripping one of a pair of branch portions 2a, 2a branched into two of the Y-shaped handle 2 with a finger, the tip 3e of the hook-shaped tool portion 3 is hit against an object. When climbing a building or the like using the hand-held tool 1, a worker hooks the tip 3a of the tool portion 3 into a hole or a gap formed in the building or the like, and puts the hand-held tool 1 on the climb. Use it to climb buildings.

Further, if a rope is connected to a rod bridged to a pair of branch portions branched into two portions of a Y-shaped handle, a hook-shaped tool portion 3 can be inserted into a hole or a gap in a building or the like. After hooking the tip portion 3a, the worker or the like can easily climb upward using the rope.

As is clear from the above description, since the hand-held tool 1 has the hook-shaped tool portion 3, the tip portion 3a of the tool portion 3 is inserted into a gap or a hole of the object, and the object is pulled. Can be raised or the worker can climb upward.

Since the handle 2 has a Y-shape, the tip 3e of the hook-shaped tool portion 3 is struck against an object to break the object or to form a hole or a gap in the object. The person grips the shaft portion 2b of the handle 2 with one finger, and grips one of the pair of branch portions 2a, 2a branched into two of the Y-shaped handle 2 with the other finger, The tip 3e of the hook-shaped tool portion 3 can be hit against an object with a strong force.

Also, when inserting the tip portion 3a of the hook-shaped tool portion 3 into the hole or gap of the object and pulling up the object, the operator is required to make a pair of two Y-shaped handles 2 An object can be easily lifted by gripping the rod 4 bridged between the branch portions 2a, 2a with fingers and moving the arm upward.

Further, since the tip portion 3a of the hook-shaped tool portion 3 is provided so that the Y-shaped handle 2 substantially vertically intersects a plane which looks like the Y-shape, However, when inserting the tip of the hook-shaped tool part into the hole or gap of the object and climbing upward, a pair of branch parts branched into two of the Y-shaped handle In the plane direction, the tip portion 3a of the hook-shaped tool portion 3 is hard to come out of a hole or a gap of an object.

Further, if a rope is connected to a pair of branch portions 2a, 2a branched into two of the Y-shaped pattern 2, a rope is connected to a rod 4 bridged between the two portions, and a hook-shaped tool portion is formed in a hole or a gap of an object. After catching the tip of the rope, workers can easily climb upward using the rope.

In the hand-held tool 1, since the tip 3 e of the hook-shaped tool portion 3 is sharp, the tip portion 3 a of the hook-shaped tool portion 3 can be easily hooked into a hole or a gap of an object. Wear.

Further, a hole or a gap for catching the tip portion 3a of the hook-shaped tool portion 3 can be easily formed on the object.

Furthermore, in the hand-held tool 1, since the angle θ of the bent portion 3c of the hook-shaped tool portion 3 is set to 90 degrees or a slightly smaller angle, the bent portion 3c of the hook-shaped tool portion 3 is set. After the tip 3a of the hook-shaped tool portion 3 is hooked into the hole or gap of the object, the hook-shaped tool Is hard to fall off. For this reason, if this hand-held tool 1 is used, after hooking the tip portion 3a of the hook-shaped tool portion 3 into a hole or a gap of an object, an operator or the like can safely use the hand-held tool 1 to You can climb up.

Further, when the total length of the hand-held tool 1 is about 40 cm or more and about 60 cm or less, the hand-held tool 1 exhibits excellent handleability in a narrow place.

When the hook-shaped tool portion 3 of the hand-held tool 1 is made of cutting tool steel, the hand-held tool 1 exhibits excellent durability.

The above is an example for explaining the present invention, and the application of the hand-held tool according to the present invention is not limited to the above. The hand-held tool according to the present invention can be suitably used, for example, for excavation of archeological sites and mining of earth and sand at a civil engineering site.

[Effect of the invention]

 As described in detail above, the hand-held tool according to claim 1 has a hook-shaped tool portion, so that the tip of the tool portion is inserted into a gap or a hole of the object to lift the object or to perform work. Can climb upwards.

Further, since the handle is formed in a Y-shape, when the tip of the hook-shaped tool portion is hit against the object to break the object or form a hole or a gap in the object, the operator needs the handle. By gripping the shaft part of the tool with one finger and the other finger on a pair of branch parts branched into two with a Y-shaped handle, the tip of the hook-shaped tool part is Can be hit.

When inserting the tip of a hook-shaped tool portion into a hole or a gap in an object and lifting the object, the operator is bridged by a pair of branch portions branched into two Y-shaped handles. An object can be easily lifted by grasping the stick with fingers and moving the arm upward.

Further, since the tip of the hook-shaped tool portion is provided so that the Y-shaped pattern substantially vertically intersects with a plane in which the Y-shaped pattern looks like the Y-shape, the operator can handle the object. When inserting the tip of the hook-shaped tool into the hole or gap and ascending upward, a pair of branching branches of the Y-shaped handle are placed in a plane direction with respect to the object with the hole or gap. Therefore, it is difficult for the tip of the hook-shaped tool part to come out of holes or gaps in the object.

Further, if a rope is connected to a rod bridged by a pair of branch portions branched into two portions of a Y-shaped handle, a tip portion of a hook-shaped tool portion can be inserted into a hole or a gap of an object. After catching the rope, workers can easily climb upward using the rope.

In the hand-held tool according to the second aspect, since the tip of the hook-shaped tool portion is sharp, the tip portion of the hook-shaped tool portion can be easily hooked into a hole or a gap of an object.

Further, a hole or a gap can be easily formed in the object to catch the tip of the hook-shaped tool portion.

In the hand-held tool according to the third aspect, the angle of the bent portion of the hook-shaped tool portion is set to 90 degrees or slightly smaller, so that the angle of the bent portion of the hook-shaped tool portion is set to: After hooking the tip of the hook-shaped tool into the hole or gap of the object, the tip of the hook-shaped tool falls out of the hole or gap of the object compared to the case where the angle is larger than 90 degrees. hard. Therefore, if this hand-held tool is used, after hooking the tip of the hook-shaped tool into the hole or gap of the object, the worker etc. can safely climb upward using this hand-held tool. Can be.

In the hand-held tool according to the fourth aspect, the angle of the bent portion of the hook-shaped tool portion is set to an angle slightly smaller than 90 degrees, so that the angle of the bent portion of the hook-shaped tool portion is set to 90 degrees. After hooking the tip of the hook-shaped tool into the hole or gap of the object, the tip of the hook-shaped tool is less likely to fall out of the hole or gap of the object than when the angle is made larger. . For this reason, if this hand-held tool is used, after hooking the tip of the hook-shaped tool into the hole or gap of an object, the worker etc. can safely and upwardly use this hand-held tool. You can climb.

In the hand-held tool according to the fifth aspect, since the total length is about 40 cm or more and about 60 cm or less, it is excellent in handleability in a narrow place.

The hand-held tool according to the sixth aspect is excellent in durability because the hook-shaped tool portion is made of cutting tool steel.

[Brief description of the drawings]

FIG. 1 is a perspective view schematically showing an example of a hand-held tool according to the present invention.

2 (a) is a plan view schematically showing the hand-held tool shown in FIG. 1, and FIG. 2 (b) is a plan view schematically showing the hand-held tool shown in FIG. FIG. 2C is a front view schematically showing the handheld tool shown in FIG. 1, and FIG. 2C is a bottom view schematically showing the handheld tool shown in FIG. 1.

3A and 3B are diagrams schematically illustrating the hand-held tool shown in FIG. 1; FIG. 3A is a rear view schematically showing the hand-held tool shown in FIG. 1; FIG. FIG. 3C is a left side view schematically showing the hand-held tool shown in FIG. 1, and FIG.
5 is a right side view schematically showing the hand-held tool shown in FIG.

FIG. 4 is a diagram schematically illustrating the hand-held tool shown in FIG. 1; FIG. 4 (a) is a schematic sectional view taken along line AA shown in FIG. 2 (a); FIG. 2B is a schematic sectional view taken along line BB shown in FIG.

FIG. 5 is an explanatory view exemplifying a method of using the hand-held tool shown in FIG. 1;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Hand tool 2 Y-shaped pattern 2a Y-shaped pattern branch part 2b Shaft part 2c Split part 3 Hook-shaped tool part 3a Tip part 3b Shaft part 3c Bent part 4 Rod 5 Cap member 6a, 6b Screw v screw Bolt with

Claims (6)

[Utility model registration claims] 1. A Y-shaped handle, and a hook-shaped tool attached to one end of the Y-shaped handle, wherein a pair of branch portions branched into two of the Y-shaped handle are provided. Is
A hand-held tool, wherein a rod is bridged, and a tip portion of the hook-shaped tool portion is provided so that the Y-shaped handle substantially vertically intersects a plane that looks Y-shaped. . 2. The hand-held tool according to claim 1, wherein a tip of the hook-shaped tool portion has a pointed shape. 3. The angle of the bent portion of the hook-shaped tool portion is set to 9
The hand-held tool according to any one of claims 1 to 2, wherein the angle is 0 degree or slightly smaller. 4. The angle of the bent portion of the hook-shaped tool portion is set to 9
The hand-held tool according to any one of claims 1 to 2, wherein the angle is slightly smaller than 0 degree. 5. The hand-held tool according to claim 1, wherein the total length is not less than about 40 cm and not more than about 60 cm. 6. The hand-held tool according to claim 1, wherein the hook-shaped tool portion is made of cutting tool steel.