JPH09219271A - Hand-held terminal crimp tool - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a crimp tool in which a terminal containing portion which can feed terminals successively to a crimp portion even if it is a simple manual type, thereby the terminals are successively fed to the crimp portion so as to successively and easily crimp the terminals, and also the crimp portion is provided with a mechanism by which the terminals can be crimped in the accurately vertical direction. SOLUTION: A terminal crimp tool is composed of a crimp tool body 1 which is provided with a terminal crimp portion 4 composed of a fixed receiving portion 2 and a terminal crimp body 3 linearly reciprocating relative to the fixed receiving portion 2, a fixed lever 5 which is linearly extending from the crimp tool body 1, a swing lever 7 which is arranged above the fixed lever 5, and a movement conversion mechanism B which converts the rotation movement of the forward end portion than the journalling portion of the lever 7 into linear movement of the terminal crimp body 3. The fixed lever 5 is provide with a terminal belt mounting portion 9 which contains a terminal belt so as to be movable and send out the same to the crimp portion 4, and at least one part of a top face of the mounting portion 9 is opened along the length direction.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a manual terminal crimping tool for crimping and attaching a connecting terminal to one end of an electric wire.

[0002]

2. Description of the Related Art Conventionally, a manual crimping tool for connecting both the upper and lower knobs by hand, such as pliers, to crimp the outer circumference of a metal terminal inserted into the core of an electric wire to connect the two is well known. There is. Such a crimping tool has a jaw-like tip from the pivot of the upper and lower knobs.The terminal is placed on this jaw, and the knob is pressed to apply crimp to the outer circumference of the terminal by applying a lever. There is.

[0003]

However, in such a conventional crimping tool, it is necessary to place the terminals together with the electric wires to be connected on the jaws one by one, and press the knob while stabilizing it. Therefore, the operation is troublesome, and since the jaw, that is, the terminal crimping portion, is the rotational movement with the pivot point as the fulcrum, the terminals cannot be crimped vertically correctly from the top and bottom, resulting in loss in crimping output. However, there is a problem in that efficient pressure bonding can occur.

In view of the above, the present invention is provided with a terminal accommodating portion which can supply the terminals to the crimping portion in sequence while being a simple manual type, whereby the terminals are sequentially fed out to the crimping portion and continuously and easily. A first object of the present invention is to provide a manual crimping tool that can be crimped to.

A second object of the present invention is to provide a manual crimping tool having a mechanism capable of crimping the terminal crimping portion accurately in the vertical direction with respect to the terminal although the lever operation is simple. To provide.

[0006]

In order to achieve the above object, the present invention takes the following technical means. That is, the first means for achieving the object of the present invention is provided with the terminal crimping portion 4 constituted by the fixed receiving portion 2 and the terminal crimping body 3 which linearly reciprocates with respect to the fixed receiving portion. A crimping tool body 1, a fixed lever 5 linearly extending from the crimping tool body 1, a fixing lever 5 disposed above the fixing lever 5, and a tip end portion of which is pivotally supported on the crimping tool body 1 by a shaft 6. The swing lever 7 and a motion converting mechanism B for converting the rotational movement of the tip portion of the swing lever 7 from the pivotal support portion into the linear movement of the terminal crimping body 3, and the fixed lever 5 has a large number of terminals 8. A terminal belt mounting portion 9 that movably accommodates the belt-shaped connection of the ... Is sent to the crimping portion 4, and at least a part of the upper surface of the terminal belt mounting portion 9 is opened along the length direction. Characterized by the structure It is.

Further, in the second means for achieving the object of the present invention, in the motion converting mechanism B, the upper end of the first link 11 is pivotally supported by the crimping tool body 1, and the lower end thereof is the above-mentioned. The second link 13 pivotally supported on the upper end of the crimp body 3 and the third link 16 pivotally supported at one end on the tip end of the swing lever 7.
It is characterized in that the free ends of the links 11, 13, 16 are rotatably connected by a common shaft 14.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The details of the present invention will be described below with reference to the accompanying drawings. In the figure, reference numeral A is a crimping tool according to the present invention, which is provided with a terminal crimping portion 4 composed of a fixed receiving portion 2 and a terminal crimping body 3 which linearly reciprocates vertically to the fixed receiving portion 2. Hollow crimp body 1
A fixing lever 5 extending horizontally from the crimping tool body 1 in a straight line, and a swing lever arranged above the fixing lever 5 and pivotally supported on the crimping tool body 1 by a shaft 6 at its tip portion. 7 and a movement conversion mechanism B for converting the rotational movement of the tip portion of the swing lever 7 from the pivotal support portion into the linear movement of the terminal crimping body 3.

The fixing lever 5 is provided with a terminal belt mounting portion 9 which movably accommodates a terminal belt C in which a large number of terminals 8 are connected in a strip shape and sends the terminal belt C to the crimping portion 4.
Further, a part of the upper surface of the terminal belt mounting portion 9 is opened along the length direction so that the mounted terminal belt C can be sent out forward by pushing from the opening portion 9a with a fingertip. Has become.

As shown in FIGS. 4 and 5, in the terminal belt C, rod-shaped terminals 8 ... In which a large diameter synthetic resin insulating cylindrical body 8b is joined to one end of a conductive metal cylindrical body 8a are arranged in parallel. A large number of them are arranged in a strip shape and are connected to each other in such a manner that they can be cut off at the outer peripheral portion of the synthetic resin insulating cylindrical body 8b.

In this embodiment, the motion converting mechanism B for converting the rotational motion of the tip portion of the swing lever 7 into the linear motion of the terminal crimping body 3 is formed as follows. That is, the first link 11 pivotally supported on the crimping tool body 1 via the shaft 10 and the second link 13 connected to the upper end of the crimping body 3 which moves linearly via the shaft 12 have a dogleg shape. It is connected and pivotally supported by the shaft 14 in a posture.
And a shaft 15 provided at the tip of the swing lever 7 are rotatably connected by a third link 16. Therefore, when the swing lever 7 is pushed down from the state of FIG. 2 toward the fixed lever 5, that is, downward, as shown in FIG. 3, the third link 16 and the first and second links 11, 1
The crimping body 3 is linearly pushed down along the guide 17 via the guide 3.

As shown in FIG. 1, the large diameter portion of the terminal belt C, that is, the synthetic resin insulating cylindrical body 8b is mounted on the terminal belt mounting portion 9 so as to be exposed through the opening 9a, and the thumb is used to push it. The terminal belt C is fed to the front crimping portion 4 by one pitch of the terminal so that the exposed portion is pushed out. In this case, it is preferable that a stopper 18 that elastically restricts the stop position by a leaf spring, for example, is provided at the tip of the terminal belt mounting portion 9 so that the stopper can be reliably fed one pitch at a time. After sending out the terminal 8 to the crimping portion 4 in this way, the core wire 19a of the electric wire 19 is inserted into the metal tubular portion 8a of the terminal, and the swing lever 7 is pushed down as shown in FIG. It is to cut and crimp the terminals.

In the present invention, after the swing lever 7 is pushed down, the return spring 20 is automatically returned to its original position at an appropriate position, for example, between the tip of the swing lever 7 and the crimping tool body 1. It is preferable to intervene.

Although the representative embodiment of the present invention has been described above, the present invention is not necessarily limited to the above embodiment. For example, the type of the terminal used is not limited to the one shown in the embodiment, and any crimping tool of the present invention can be used as long as it has a tubular shape and can be connected in a strip shape. is there. In addition, in the present invention, it is needless to say that the present invention can be carried out by appropriately changing the configuration within the scope of providing the components and having the effect.

[0015]

As described above, according to the structure of claim 1 of the present invention, although it is a simple pliers type manual crimping tool, the terminal belt is accommodated and continuously fed out to the crimping portion with the fingertips. The crimping can be done easily and easily, and the terminal crimping body can be crimped accurately in a linear motion with respect to the terminal even though it is a simple lever operation, thereby eliminating the loss of crimping output. It is possible to efficiently perform crimping operation with a light force.

According to the second aspect of the invention, the first to third aspects are provided.
The rotary motion of the tip end of the swing lever can be efficiently converted into the linear motion of the crimping body by the simple mechanism of the link (1), which has the effect that it can be provided compactly and at low cost.

[Brief description of drawings]

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

FIG. 2 is a sectional view of the crimping tool.

FIG. 3 is a cross-sectional view showing the operation of the crimping tool.

FIG. 4 is a perspective view showing an example of a terminal belt attached to the crimping tool.

FIG. 5 is an enlarged cross-sectional view showing an electric wire connected to the terminal belt.

[Explanation of symbols]

 1 Crimping tool body 2 Fixed receiving part 3 Crimping body 4 Crimping part 5 Fixing lever 6 Swing lever shaft 7 Swing lever 8 Terminal 9 Terminal belt mounting part 9a Opening 11 First link 13 Second link 14 Shaft connecting each link 16 3rd link A Crimping tool B Motion conversion mechanism C Terminal belt

Claims (2)

[Claims] 1. A crimping tool body 1 having a terminal crimping portion 4 composed of a fixed receiving portion 2 and a terminal crimping body 3 which linearly reciprocates with respect to the fixed receiving portion, and a straight line from the crimping tool body 1. -Shaped fixed lever 5 and the fixed lever 5
A swing lever 7 which is arranged above the swivel lever and is pivotally supported by the crimping tool body 1 by a shaft 6 at its tip portion, and the pivotal movement of the tip portion from the pivot portion of the swing lever 7 is converted into a linear movement of the terminal crimping body 3. A movement converting mechanism B for converting, and a terminal belt C movably accommodating a large number of terminals 8 ...
A manual terminal crimping tool, which is provided with a terminal belt mounting portion 9 that is sent out to, and in which at least a part of the upper surface of the terminal belt mounting portion 9 is opened along the length direction. 2. The motion converting mechanism B has a first link 11 whose upper end is pivotally supported by the crimping tool body 1, a second link 13 whose lower end is pivotally supported by the upper end of the crimping body 3, and one end thereof. 3. A third link 16 pivotally supported at the tip of the swing lever 7, wherein the free ends of the links 11, 13, 16 are rotatably connected by a common shaft 14. Manual terminal crimping tool described in.