JPH1116622A - Battery terminal - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent an impact wrench from interfering with other parts by tightening a bolt from its upper direction with the bolt tightening direction maintained vertically. SOLUTION: A terminal body 13 is provided with an annular electrode interfitting part 15 having a slit that is outwardly interfitted with a battery post 11; on the outside circumferential surface of the electrode interfitting part 15, a tapered screw 16b is formed. On the other hand, a fastening part 14 is provided, which is almost cylindrical with its upper end surface closed, being equipped with a tapered screw 18b on its inside circumferential surface and a bolt part 10 formed protrusively from its closed upper end surface, and is also used as an auxiliary terminal. The fastening part 14 is screwed down on the electrode interfitting part 15 of the terminal body 13 that is outwardly interfitted with the battery post 11 so that the terminal body 13 is fixed on the battery post 11; at the same time, the fastgening part 14 is fixed on the terminal body 13 and a wire connecting terminal 32 is connected a bolt part 20 used as an auxiliary terminal by the use of a nut 33.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a battery terminal to be mounted on a battery post of a battery mounted on an automobile, and more particularly to a battery terminal which can be mounted vertically from above so as to improve workability. It allows two or more direct connections to the post.

[0002]

2. Description of the Related Art Conventionally, as shown in FIG. 3, an electrode fitting portion 3a of a battery terminal 3 is externally fitted to a battery post 2 protruding from an upper surface of a battery 1, as shown in FIG. The bolt 4 is passed through the bolt hole of the plate portion 3c, the nut 6 is tightened from the horizontal direction while the impact wrench 5 is tilted sideways with respect to the bolt 4, and the electrode fitting portion 3a is pressed against the battery post 2, The battery terminal 3 is fixed to the battery post 2.

[0003] The connection between the battery terminal 3 and the power supply line is made by crimping an electric wire to a barrel formed on one of the fastening plates 3c of the battery terminal 3 so as to extend therethrough, or by connecting the fastening plate 3c or an electrode fitting. A stud bolt protrudes from the joint portion and a terminal crimped to an electric wire is fixed to the stud bolt.

[0004]

In recent years, an engine room in which a battery of an automobile is mounted has a very large number of installation parts and a high density. There are many maneuvers. In such a situation, as described above, when the nut 6 is tightened in a state where the bolt 4 is arranged in the horizontal direction and the impact wrench 5 is tilted sideways, the impact wrench interferes with other parts and is difficult to tighten. At the same time, depending on the case, there is no space for arranging the impact wrench horizontally, so that the impact wrench cannot be tightened.

A battery terminal 3 is fixed to a battery post 2 of a battery, and is connected to a power supply line only from a barrel or stud bolt provided on a flat plate portion extending from an electrode fitting portion of the battery terminal 3. In some cases, the layout of power supply lines is poor.

SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and has a bolt tightening direction set to a vertical direction. By tightening a bolt from above, an impact wrench is prevented from interfering with other parts. Similar to the first embodiment, it is an object of the present invention to be able to connect to a power supply line via a battery terminal and to connect to the power supply line not only at one place but also at two places.

[0007]

In order to solve the above-mentioned problems, according to the present invention, in the first aspect, an annular electrode fitting portion having a slit externally fitted to the battery post is provided on the terminal body, and the electrode fitting portion is provided. A tapered screw is engraved on the outer peripheral surface of the joint portion, and a stud for power line connection or a barrel for power line crimping is provided on a substrate portion extending from the electrode fitting portion, and a substantially cylindrical shape having a closed upper end surface. In addition, a taper screw for screwing the taper screw of the electrode fitting portion is formed on the inner peripheral surface, and a fastening tool also serving as an auxiliary terminal having a bolt portion protruding from the upper end closing surface is provided. The above-mentioned fastener is screwed into the electrode fitting part of the fitted terminal body to fix the terminal body to the battery post, and at the same time, the fastener is fixed to the terminal body, and an electric wire is connected to the bolt part of the fastener. A battery terminal having a configuration in which the terminal can be connected using a nut is provided.

[0008] As described above, when the fastener is put on the electrode fitting portion of the terminal body and the tapered screws are screwed together by screwing from above, the electrode fitting portion can be tightened and fixed to the battery post. That is, since the tightening is performed from directly above instead of the tightening from the lateral direction, the tightening operation can be performed without taking a space at the time of fastening and fixing, and the workability is improved.

Moreover, since the bolt portion serving as an auxiliary terminal is protrudingly provided at the upper end of the fastener, the terminal connected to the power supply line can be tightened and fixed to the bolt portion with a nut, and the terminal of the terminal body can be connected. Electrical connection can be made at two places with the connection part. It is preferable to connect an LA terminal (a crimp terminal provided with a bolt hole) connected to a starter motor and / or an alternator to a bolt portion of the fastener.

[0010] A hexagonal washer is provided on the upper end surface of the fastener,
It is preferable that the bolt portion protrudes from the center of the upper surface of the hexagonal washer portion (claim 2). With this configuration, the hexagonal washer can be held with a detent, and the nut can be tightened to the bolt. When the terminal is attached to the auxiliary terminal and the nut is tightened, an electrode fitting portion between the fastener and the terminal body is used. And does not affect tightening.

The fastener may be formed in a hexagonal cylinder shape. With this configuration, it is not necessary to provide the hexagonal washer described above.

[0012]

Embodiments of the present invention will be described below with reference to the drawings.

As shown in FIG. 1, a battery post 11 protrudes from an upper surface of a battery 10 mounted on an automobile.
The battery terminal 12 to be mounted comprises a terminal body 13 and a fastener 14 also serving as an auxiliary terminal.

The terminal body 13 has an annular electrode fitting portion 15 having a slit 15a which is fitted to the substantially cylindrical battery post 11, and has a small diameter extending upwardly on the outer peripheral surface of the electrode fitting portion 15. A male tapered screw 15b is engraved so as to form a tapered screw. A barrel 17 for connecting a power supply line is provided on a substrate portion 16 extending from the outer periphery of the lower end of the electrode fitting portion 15 on the closed side.

The fastening member 14 is a cylindrical nut having an upper end surface closed to be externally fitted to the electrode fitting portion 15 and fastened to the inner peripheral surface of the cylindrical portion 18 so as to reduce its diameter upward. A female taper screw 18a is engraved. Therefore, the cylindrical portion 1
When the electrode 8 is put on the electrode fitting portion 15 and fastened, the slit 15 a of the electrode fitting portion 15 is closed and the electrode fitting portion 15 is fastened and fixed to the battery post 11.

A hexagonal washer 19 is provided at the center of the upper end closing surface 18a of the cylindrical portion 18, and a bolt 20 having a screw 20a provided on the outer peripheral surface thereof is projected upward from the center of the hexagonal washer 19. . The bolt portion 20 serves as an auxiliary terminal.

In the battery terminal 12, the electrode fitting portion 15 of the terminal main body 13 is externally fitted to the battery post 11, and then the cylindrical portion 18 of the fastener 14 is put on the electrode fitting portion 15 from above and tightened. . As a result of the tightening, the taper screws 15b and 18a are screwed together, and as the cylindrical portion 18 descends, the diameter of the electrode fitting portion 15 is reduced and the slit 15a is closed. To the battery post 12.

The power line 30 is previously provided in the barrel 17 of the terminal body 13 fixed to the battery post 12 as described above.
Is crimped. On the other hand, the LA terminal 32 connected to the end of the electric wire 31 connected to the starter motor is attached to the bolt 20 of the fastener 14 for tightening the terminal body 13.
The bolt hole 32a is passed through the bolt portion 20 and the nut 3
Tighten with 3 to fix the connection. The electric wire connected to the alternator may also be fixed to the bolt portion 20 by the nut 33 at the same time.

When the LA terminal 32 is attached to the bolt portion 20 and fastened and fixed with the nut 33, the hexagonal washer portion 19 is detented by a detent (not shown) so that the fastener 14 does not rotate together. The nut 33 is rotated and tightened.

When the battery terminal 12 is used, the tightening can be performed vertically from above using the tightening tool 14 also serving as an auxiliary terminal, and a space which is problematic in the conventional horizontal tightening from the horizontal direction is not taken. Along with
Tightening workability can be improved.

Further, since the bolt 20 serving as an auxiliary terminal is provided at the upper end of the fastener 14, the bolt 2
A power supply circuit such as a starter motor and an alternator can be connected and fixed directly to the battery, and other power supply lines can be connected and fixed to the terminal body 13 to form a separate power supply circuit.

FIG. 2 shows another embodiment, in which a fastener 14 'is provided.
Is formed in a hexagonal cylindrical shape. As in the above embodiment, a tapered screw 18a made of a female screw whose diameter decreases upward is formed on the inner peripheral surface. Also,
Since the outer peripheral surface of the cylindrical portion 18 is formed in a hexagonal cylindrical shape, the hexagonal washer portion required in the above embodiment is not required, and the cylindrical portion 18
The bolt portion 20 is provided to project upward from the center of the upper end closing surface. The other configuration and the method of fastening to the terminal body are the same as those in the above-described embodiment, and a description thereof will be omitted.

In the above embodiment, a barrel-type electric wire connection portion is formed on the terminal body 13, but a stud bolt is attached to the terminal body 13, and a terminal is connected to the stud bolt by fastening with a nut. Needless to say, this may be done.

[0024]

As is apparent from the above description, according to the present invention, the battery terminal can be fastened and fixed to the battery post from above by using a fastener. Therefore, at the time of fastening the battery terminal, no space is required and workability can be improved.

Further, since a bolt portion is projected from the upper end of the fastener of the battery terminal, the power line and the battery can be connected using the bolt portion, and the connection of the power line by the terminal body. In addition, the number of power supply circuits connected to the battery can be increased.

[Brief description of the drawings]

FIG. 1 is a perspective view showing an embodiment of the present invention.

FIG. 2 is a perspective view of a main part showing another embodiment.

FIG. 3 is a perspective view showing a conventional example.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 Battery 11 Battery post 12 Battery terminal 13 Terminal main body 14 Fastener 15 Electrode fitting part 15a Slit 15b Tapered screw 17 Barrel 18 Tube part 18a Tapered screw 19 Hex washer 20 Bolt part 32 LA terminal 33 Nut

Claims (3)

[Claims] An annular electrode fitting having a slit externally fitted to a battery post is provided on a terminal body, and a tapered screw is formed on an outer peripheral surface of the electrode fitting, while extending from the electrode fitting. A stud bolt for connecting a power supply line or a barrel for crimping a power supply line is provided on a substrate portion to be formed, and a tapered screw which is screwed with a taper of the above-mentioned electrode fitting portion is formed in a substantially cylindrical shape having a closed upper end surface. And a fastening tool which also serves as an auxiliary terminal having a bolt protruding from the upper end closing surface is provided. The fastening tool is screwed into an electrode fitting portion of the terminal body externally fitted to the battery post. A battery having a configuration in which the main body is fixed to the battery post and the fastener is fixed to the terminal main body, and a wire connection terminal can be connected to the bolt portion serving as the auxiliary terminal using a nut. Over terminal. 2. The battery terminal according to claim 1, wherein a hexagonal washer is provided on an upper end surface of the fastener, and the bolt is protruded from a center of an upper surface of the hexagonal washer. 3. The battery terminal according to claim 1, wherein the fastener has a hexagonal cylindrical shape.