TWI727611B - Pry tool - Google Patents

Abstract

A pry tool which comprises a body, a claw member, and a fixing member. The body includes a base portion and a body portion. The base portion is provided with a perforation along a first axis and a through groove extending from the perforation in a radial direction of the first axis. The base portion has a bottom arc surface on the side opposite to the body portion. The bottom arc surface defines a contact point suitable for contacting a working surface. A second axis intersects the first axis and passes through the contact point. A third axis and the second axis intersect at an intersection point, and an angle between the third axis and the second axis is 5-10 degrees. The intersection point serves as the center of curvature of the bottom arc surface. The body portion extends from the base portion along a fourth axis, which intersects the second axis on the first axis, and an angle between the fourth axis and the second axis is 15-25 degrees. The claw member is connected to the through groove. The fixing member is fixed at the perforation and abuts the claw member.

Description

Crowbar tool

The present invention relates to a tool; in particular, it relates to a crowbar tool used in a wooden structure. The crowbar tool utilizes a special angle design to achieve a labor-saving effect.

Wooden structures made of wooden planks and wooden battens are commonly used in daily life, such as wooden pallets for transporting goods, or wooden platforms in buildings. However, there are currently several ways to dismantle the above-mentioned wooden structure:

1. Using a plank or a wooden bar directly as a crowbar, but it is not only laborious, but also damages the disassembled plank. The wooden bar as a crowbar is more likely to break due to force and accidentally injure the operator.

2. Hit directly with a hammer to separate the wooden strips, or use a hammer with a nail puller to pry the wooden strips open by hitting the nail puller that extends into the wooden strips, but the wooden strips will be broken by the hammer. It is damaged by knocking, and the operator must bend over or squat down when knocking, which is quite laborious.

Therefore, at present, there is no suitable crowbar tool for dismantling the wooden structure made of wooden planks and wooden slats, and the operator must squat down to operate, which is very laborious and inconvenient. In view of this, how to overcome or improve the various problems of the above-mentioned existing crowbar tools has become the goal of the relevant industry.

At present, there is no suitable crowbar tool for dismantling the wooden structure made of wooden planks or wooden slats nails. Operators have to squat down to operate, which is very laborious and inconvenient.

The invention provides a crowbar tool, which includes a body, a claw piece connected to the body, and a fixing piece fixed on the body. The body includes a base and a body. The base is provided with a through hole along a first axis and a through slot extending from the through hole in a radial direction of the first axis. The side of the base opposite to the body has a bottom arc surface, and a contact point suitable for contacting the working surface is defined on the bottom arc surface. A second axis intersects the first axis and passes through the contact point. A third axis and the second axis intersect at an intersection point, the angle between the third axis and the second axis is 5-10 degrees, and the intersection point is the center of curvature of the bottom arc. The body extends from the base along a fourth axis, the fourth axis and the second axis intersect at the first axis, and the included angle between the fourth axis and the second axis is 15-25 degrees. The claw member is connected to the through slot. The fixing member is fixed on the perforation and abuts against the claw member, thereby forming a more labor-saving crowbar tool.

Further, the included angle between the third axis and the second axis is 10 degrees.

Further, the included angle between the fourth axis and the second axis is 25 degrees.

Further, the shortest distance from the intersection point to the bottom arc surface is not greater than 25 mm.

Further, the base is provided with an inner arc surface and an outer arc surface opposite to the inner arc surface, and the radius of curvature of the inner arc surface is greater than the radius of curvature of the outer arc surface.

Further, the claw member has a middle part and two claw parts respectively extending from opposite ends of the middle part, the middle part is connected to the through slot, and the two claw parts are suitable for abutting against the working surface.

Further, the fixing member is riveted to the through hole and abuts against the middle part of the claw member.

Further, the crowbar tool provided by the present invention further includes a positioning member, and the positioning member is provided with a positioning portion and a clamping portion connected to the positioning portion. The body is provided with a first positioning hole along the fourth axis, the fixing member is provided with a second positioning hole along the first axis, and the positioning portion of the positioning member is detachably connected to the first positioning hole or the second positioning hole. Two positioning holes.

Further, the cross-sectional shape of the clip portion of the positioning member is in the shape of a letter.

Further, the body is provided with a limiting hole communicating with the first positioning hole along the radial direction of the fourth axis, and the positioning member is provided with a limiting portion detachably clamped to the limiting hole.

Based on the above, the crowbar tool provided by the present invention, through the special design of the base and body of the body, makes the contact point defined on the bottom arc surface as a fulcrum on the working surface, which can allow the operator to easily apply force . In addition, the crowbar tool provided by the present invention can further have a positioning member, through which the positioning member is clamped on the wooden strip, the operator can force the arranged on the wooden strip and want to be nailed through the claw member. board.

In order to make the above-mentioned features and advantages of the present invention more comprehensible, the following specific embodiments are described in detail in conjunction with the accompanying drawings.

Fig. 1 is a schematic diagram of the appearance of a crowbar tool according to an embodiment of the present invention, showing that the positioning member is connected to the body. Fig. 2 is an exploded perspective view of the crowbar tool shown in Fig. 1; Fig. 3 is a cross-sectional view of the crowbar tool shown in Fig. 1; Fig. 4 is another schematic diagram of the appearance of the crowbar tool shown in Fig. 1, showing that the positioning member is connected to the fixing member. Fig. 5 is a schematic diagram of the crowbar tool shown in Fig. 1 in use. Please refer to FIGS. 1 to 5, the crowbar tool of this embodiment includes a main body 10, a claw member 20 connected to the main body 10, and a fixing member 30 fixed to the main body 10.

The main body 10 includes a base 11 and a body 12. The base 11 is provided with a through hole 111 along a first axis A1 and a through slot 112 extending from the through hole 111 in the radial direction of the first axis A1. The side of the base 11 opposite to the body 12 has a bottom arc surface 113. The bottom arc surface 113 defines a contact point 114 suitable for contacting the working surface P. The working surface P can be the top surface of the wooden strip W or any other surface. Provide support surface. A second axis A2 intersects the first axis A1 and passes through the contact point 114, a third axis A3 intersects the second axis A2 at an intersection point O, and the angle between the third axis A3 and the second axis A2 is 5-10 degrees . More preferably, the included angle between the third axis A3 and the second axis A2 in this embodiment can be 10 degrees. The intersection point O can serve as the center of curvature of the bottom arc surface 113, and in this embodiment, the shortest distance from the intersection point O to the bottom arc surface 113, that is, the radius of curvature is not greater than 25 mm. The base 11 is also provided with an inner arc surface 115 and an outer arc surface 116 opposite to the inner arc surface 115, and the radius of curvature of the inner arc surface 115 is greater than that of the outer arc surface 116. The body 12 extends from the base 11 along a fourth axis A4, the fourth axis A4 and the second axis A2 intersect the first axis A1, and the included angle between the fourth axis A4 and the second axis A2 is 15-25 degrees. More preferably, the included angle between the fourth axis A4 and the second axis A2 in this embodiment can be 25 degrees.

The claw member 20 has a middle portion 21 and two claw portions 22 respectively extending from opposite ends of the middle portion 21. The middle portion 21 is connected to the through slot 112 of the base portion 11, and the two claw portions 22 are suitable for abutting against the working surface P.

The fixing member 30 is fixed to the through hole 111 of the base 11 and abuts against the claw member 20. In this embodiment, the fixing member 30 can be riveted to the through hole 111 and abut against the middle portion 21 of the claw member 20 to prevent the claw member 20 from detaching from the main body 10.

In addition, the crowbar tool of this embodiment can further include a positioning member 40, and the positioning member 40 is provided with a positioning portion 41 and a clamping portion 42 connected to the positioning portion 41. The main body 10 defines a first positioning hole 121 on the body 12 along the fourth axis A4. The fixing member 30 is provided with a second positioning hole 31 along the first axis A1, and the positioning portion 41 of the positioning member 40 is detachably connected to the first positioning hole 121 (as shown in FIG. 1) or the second positioning hole 31 (as shown in FIG. 4). In this embodiment, the cross-sectional shape of the clamping portion 42 can be in the shape of a "", so that the clamping portion 42 can clamp the wooden strip W. As shown in FIG. The body 12 of the main body 10 is provided with a limiting hole 122 connected to the first positioning hole 121 along the radial direction of the fourth axis A4. The positioning member 40 is provided with a limiting portion 43 detachably locked to the limiting hole 122 so that the positioning member 40 can be positioned in the limiting hole 122. Therefore, when the positioning member 40 is not required, the positioning portion 41 of the positioning member 40 can be connected to the first positioning hole 121; conversely, when the positioning member 40 is required, the positioning portion 41 of the positioning member 40 can be connected to the fixing member 30 The second positioning hole 31 makes the positioning portion 41 of the positioning member 40 extend along the first axis A1, as shown in FIG. 5, at this time the clamping portion 42 of the positioning member 40 can be clamped to the wooden strip W, and the operator can pass through the claw The member 20 uses the main body 10 as a fulcrum to press the plate P that has been arranged on the wooden strip W and is to be nailed, so that the crowbar tool of this embodiment provides another function of pressing the plate P to facilitate laying wooden floors.

In summary, the crowbar tool provided by the present invention uses the special angle design of the base 11 and the body 12 of the main body 10, so that when the contact point 114 defined on the bottom arc surface 113 is used as a fulcrum on the working surface P, Allows the operator to apply force easily. In addition, the crowbar tool provided by the present invention can further have a positioning member 40, by which the positioning member 40 is clamped on the wooden strip W, and the operator can force the arranged on the wooden strip W through the claw member 20 and want to nail it. Solid wood.

Although the present invention has been disclosed in the above embodiments, it is not intended to limit the present invention. Anyone with ordinary knowledge in the relevant technical field can make some changes and modifications without departing from the spirit and scope of the present invention. The scope of protection of the present invention shall be determined by the scope of the attached patent application.

10: body 11: Base 111: Piercing 112: piercing 113: bottom arc 114: touch point 115: inner arc 116: Outer Curved Surface 12: Body 121: The first positioning hole 122: limit hole 20: Claw 21: middle part 22: Claw 30: fixed parts 31: The second positioning hole 40: positioning parts 41: Positioning Department 42: Clip 43: limit part P: working surface O: meeting point A1: The first axis A2: second axis A3: Third axis A4: Fourth axis W: wooden strip P: Plate

Fig. 1 is a schematic diagram of the appearance of a crowbar tool according to an embodiment of the present invention, showing that the positioning member is connected to the body. Fig. 2 is a perspective exploded view of the crowbar tool shown in Fig. 1; Fig. 3 is a cross-sectional view of the crowbar tool shown in Fig. 1; Fig. 4 is another schematic diagram of the appearance of the crowbar tool shown in Fig. 1, showing that the positioning member is connected to the fixing member. Fig. 5 is a schematic diagram of the crowbar tool shown in Fig. 1 in use.

10: body

11: Base

111: Piercing

112: piercing

113: bottom arc

114: touch point

115: inner arc

116: Outer Curved Surface

12: Body

20: Claw

22: Claw

30: fixed parts

31: The second positioning hole

P: working surface

O: meeting point

A1: The first axis

A2: second axis

A3: Third axis

A4: Fourth axis

Claims (10)

A crowbar tool, including: A body, which includes a base and a body, the base is arranged along a first axis There is a through hole and a through slot extending from the through hole in the radial direction of the first axis. The base has a bottom arc on the side opposite to the body, and the bottom arc defines a contact suitable for contacting the working surface. Point, a second axis intersects the first axis and passes through the contact point, a third axis intersects the second axis at an intersection point, the angle between the third axis and the second axis is 5-10 Degree, the intersection is taken as the center of curvature of the bottom arc, the body extends from the base along a fourth axis, the fourth axis and the second axis intersect the first axis, the fourth axis and the first axis The angle between the two axes is 15-25 degrees; A claw piece connected to the through slot; and A fixing piece is fixed on the perforation and abuts against the claw piece. The crowbar tool according to claim 1, wherein the angle between the third axis and the second axis is 10 degrees. The crowbar tool according to claim 1, wherein the angle between the fourth axis and the second axis is 25 degrees. The crowbar tool according to claim 1, wherein the shortest distance from the intersection point to the bottom arc is not greater than 25 mm. The crowbar tool according to claim 1, wherein the base is provided with an inner arc surface and an outer arc surface opposite to the inner arc surface, and the radius of curvature of the inner arc surface is greater than the radius of curvature of the outer arc surface. The crowbar tool according to claim 1, wherein the claw member has a middle part and two claw parts extending from opposite ends of the middle part respectively, the middle part is connected to the through slot, and the two claw parts Suitable for abutting on the working surface. The crowbar tool according to claim 6, wherein the fixing member is riveted to the perforation and abuts against the middle part of the claw member. The crowbar tool according to claim 1, further comprising a positioning member provided with a positioning portion and a clamping portion connected to the positioning portion, and the body portion is provided with a first positioning hole along the fourth axis The fixing member is provided with a second positioning hole along the first axis, and the positioning portion of the positioning member is detachably connected to the first positioning hole or the second positioning hole. The crowbar tool according to claim 8, wherein the cross-sectional shape of the clamping part of the positioning member is in the shape of a letter. The crowbar tool according to claim 8, wherein the body is provided with a limiting hole communicating with the first positioning hole along the radial direction of the fourth axis, and the positioning member is provided with a detachable latch on the limiting hole The limit part of the bit hole.

Images