JP2881151B1 - Tool for clamping and crimping - Google Patents

Abstract

A pinching force can be easily changed. A first handle (2) and a second handle (3) have handles (11) and (21) on one end, and action parts (12) and (22) on the other end. The other ends of the handles 11 and 21 have mounting holes. First
The handle 2 has a rack 16 inside the mounting hole. Each of the action portions 12 and 22 has a crimping surface overlapping each other.
The pinion 4 is inserted into the mounting hole of the first handle 2, and the second
It is fixed to the mounting hole of the handle 3. The pinion 4 separates from the action portion 12 of the first handle 2 when the handles 11 and 21 are opened, and engages with the rack 16 so as to approach the action portion 12 of the first handle 2 when the handles 11 and 21 are closed.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a clipping tool and a crimping tool for performing work by opening and closing two handles.

[0002]

2. Description of the Related Art A conventional pinching tool or crimping tool is disclosed in Japanese Patent Application Laid-Open No. 9-29648 by the present inventor. In other words, the force for pinching by changing the position of the fulcrum can be changed in a plurality of stages.

[0003]

However, the conventional pinching tool or crimping tool has a problem in that the position of the fulcrum must be changed every time the work is performed because the pinching force is changed. Was.

An object of the present invention is to solve such a problem, and an object of the present invention is to provide a clamping tool and a crimping tool which can easily change the clamping force.

[0005]

In order to achieve the above-mentioned object, a pinching tool according to the present invention has a first handle, a second handle, and a pinion; the first handle has a handle on one end side. The second handle has a handle on one end side; a mounting portion on the other end side; a mounting hole between the handle and the operating portion; a rack inside the mounting hole; The other end side has an action portion, and has a mounting hole between the handle and the action portion;
When the pinion is inserted into the mounting hole of the first handle and opens each handle, the pinion separates from the action portion of the first handle,
When each handle is closed, it is engaged with the rack so as to approach the action portion of the first handle, and is fixed to a mounting hole of the second handle.

The pinching tool according to the present invention may be a pinching tool, a pair of pliers, a nail, a vice, or any other tool that works by opening and closing two handles. The action section may be a cutting section, a crimping section, a holding section, or any other action section depending on the type of the pinching tool. The handle is preferably provided with a non-slip. The rack may be formed integrally with the first handle, or may be provided with a separate member fixed to the first handle. In the present invention, the rack includes not only those whose teeth are formed on a straight line but also those which are curved like an internal gear. The pinion may have teeth only at a portion that meshes with the rack, or may have teeth as a whole. The pinion may have a cylindrical shaft for smooth rotation with respect to the first handle, and the first handle may have an elongated hole having a width of a diameter of the shaft penetrating the rack.
It is preferable that the first handle has a stopper to prevent the pinion from falling off the rack. It is preferable that a washer is attached to the pinion with the first handle and the second handle interposed therebetween.

[0007] When the handle of the first handle and the handle of the second handle are opened, the pinch type tool according to the present invention opens with the pinion as a fulcrum. At this time, the pinion meshes with the rack and rotates in a direction away from the action portion of the first handle, so that the action portion is easily opened greatly. When each handle of the first handle and the second handle is closed, the pinion meshes with the rack and rotates in a direction approaching the action portion of the first handle, and the distance between the power point of the handle and the pinion serving as a fulcrum increases, It becomes easy to apply a large force to the action part.

A crimping tool according to the present invention has a first handle, a second handle, and a pinion; the first handle has a handle on one end and an action portion on the other end, and The second handle has a mounting hole on the other end side, and has a rack inside the mounting hole; the second handle has a handle on one end side and has an action portion on the other end side, and the other of the handle A mounting hole on an end side; each working portion of the first handle and the second handle has a crimping surface that overlaps each other when each handle is closed; and the pinion is inserted into the mounting hole of the first handle. When each handle is opened, it separates from the action portion of the first handle, and when each handle is closed, it meshes with the rack so as to approach the action portion of the first handle, and is fixed to the mounting hole of the second handle. Is characterized.

In the crimping tool according to the present invention, when each handle of the first handle and the second handle is opened, the pinion engages with the rack and rotates in a direction away from the action portion of the first handle, so that the crimp surface is formed. Open easily. When the respective handles of the first handle and the second handle are closed, the pinion meshes with the rack and rotates in a direction approaching the action portion of the first handle, so that it is easy to apply a large force to the crimping surfaces in a direction overlapping each other.

[0010]

Embodiments of the present invention will be described below with reference to the drawings. 1 to 3 show an embodiment of the present invention. As shown in FIGS. 1 to 3, the crimping tool 1 includes a first handle 2, a second handle 3, a pinion 4, and a washer 5. The crimping tool 1 is a tool commonly referred to as “tsukami”, and is used, for example, when roofing a tin roof, when a plurality of stacked galvanized sheets are crimped at the ends and bent and caulked. It is.

The first handle 2 has a handle 11 at one end and an action portion (crimp portion) 12 at the other end. The handle 11 is provided with a non-slip 11a. The action section 12
The width of the distal end side 12a is increased, and a crimping surface 12b is provided on the inner surface. The crimping surface 12b is continuous with the slot 13 extending in the direction of the handle 11. The first handle 2 has a protruding portion 14 facing the slot 13 on the other end side of the handle 11 (on the side of the crimping portion 12). The protrusion 14 has a mounting hole 15. One side 15a of the mounting hole 15 has an oval cross section, and a rack 16 on the side of the handle 11 inside the opposite side 15b.

The second handle 3 has a handle 21 on one end and an action portion (crimping portion) 22 on the other end. The handle 21 is provided with a non-slip 21a. The action part 22
The width of the distal end side 22a is increased, and the inner side has a crimping surface 22b. The second handle 3 has a mounting hole 23 on the other end side of the handle 21 (on the side of the crimp portion 22). The mounting hole 23 has a rectangular cross section.

The pinion 4 is provided in the mounting hole 1 of the first handle 2.
5 is inserted into the mounting hole 23 of the second handle 3 and penetrated therethrough, and is fixed by the washer 5. The pinion 4 is the tip side 4
a has a rectangular cross section and is fixed to the mounting hole 23 so as not to rotate. The pinion 4 separates from the operating portion 12 of the first handle 2 when the handles 11 and 21 are opened, and
When the cover 21 is closed, it is engaged with the rack 16 so as to approach the action section 12 of the first handle 2 as shown in FIG. First
The slot 13 of the handle 2 is open in communication with the distal end 12a of the action section 12 with the handles 11 and 21 opened.
When the handles 11 and 21 are closed, the crimping surfaces 12b and 22 of the first handle 2 and the second handle 3, as shown in FIG.
b overlap each other.

Next, the operation will be described. The crimping tool 1 includes a handle 1 of each of the first handle 2 and the second handle 3.
When 1 and 21 are opened, they are opened with the pinion 4 as a fulcrum.
At this time, the pinion 4 meshes with the rack 16 and rotates in a direction away from the action portion 12 of the first handle 2, and
2b and 22b are easily opened greatly. Each pattern 11, 21
In the state in which the opening is opened, the end to be caulked of the work part, for example, the tin roof, is moved to the tip side 1 of the action parts 12 and 22.
Each handle 11, 21 is inserted from 2 a, 22 a to slot 13.
Can be opened and closed to perform processing. Slot 1 to be processed
By inserting up to 3, processing can be performed at a deep position in the processed portion.

As shown in FIG. 3, when the handles 11 and 21 of the first handle 2 and the second handle 3 are closed, the pinion 4 engages with the rack 16 and the action portion 1 of the first handle 2 is closed.
2, the distance between the point of force of the handles 11 and 21 (the position where the grip is applied) and the pinion 4 serving as the fulcrum increases, and a large force is applied to the crimping surfaces 12 b and 22 b in the direction in which they overlap each other. It will be easier. As described above, since the pinion 4 of the fulcrum engaging with the rack 16 moves each time the handles 11 and 21 are opened and closed, the crimping tool 1 can be used without changing the position of the fulcrum every time the work is performed. 12b, 22b
Can be easily opened greatly, and the pinching force can be easily changed. Thus, the tin roof can be easily caulked.

[0016]

According to the clipping tool and the crimping tool of the present invention, the pinion of the fulcrum meshing with the rack moves each time the handle is opened and closed, so that the position of the fulcrum does not need to be changed every time the work is performed. Also, the action portion can be easily opened, and the pinching force can be easily changed.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view of a crimping tool according to an embodiment of the present invention.

FIG. 2 is a front view of the crimping tool according to the embodiment of the present invention.

FIG. 3 is a side view of the crimping tool according to the embodiment of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Crimping tool 2 1st handle 3 2nd handle 4 Pinion 5 Washer 11,21 Handle 12,22 Working part (crimping part) 12b, 22b Crimp surface 13 Slot hole 14 Projection part 15,23 Mounting hole 16 Rack

Claims (2)

(57) [Claims] A first handle having a handle at one end and an action portion at the other end, and being attached to the other end of the handle; The second handle has a handle on one end side, has an action portion on the other end side, and has a mounting hole on the other end side of the handle. When the pinion is inserted into the mounting hole of the first handle and each handle is opened, the pinion separates from the action portion of the first handle,
The pinch type tool, wherein each handle is engaged with the rack so as to approach the action portion of the first handle when the handle is closed, and is fixed to a mounting hole of the second handle. 2. A handle having a first handle, a second handle, and a pinion, wherein the first handle has a handle at one end and an action portion at the other end, and is attached to the other end of the handle. The second handle has a handle on one end side, has an action portion on the other end side, and has a mounting hole on the other end side of the handle. Each of the action portions of the first handle and the second handle has a crimping surface that overlaps each other when each handle is closed, and the pinion is inserted into the mounting hole of the first handle to open each handle. When it separates from the action portion of the first handle,
A crimping tool, wherein the handle is engaged with the rack so as to approach the action portion of the first handle when each handle is closed, and is fixed to a mounting hole of the second handle.