JP5617786B2 - Battery terminal mounting structure - Google Patents

Description

  The present invention relates to a structure for attaching a battery terminal to a battery post.

  Conventionally, as an example of a structure for attaching a battery terminal to a battery, the following is known. In this type, the battery terminal is formed in a substantially annular post connection portion that can be fitted to the battery post and the diameter of the post connection portion can be reduced. It is. Then, after the post connection portion of the battery terminal is fitted to the battery post erected on the battery, the diameter of the post connection portion, that is, the battery is reduced by operating the fastening tool provided on the post connection portion. The terminal is fixed to the battery post. After that, the bolt insertion hole of the mating terminal connected to the end of the electric wire is inserted into the stud bolt of the terminal connection part, and the mating terminal is fixed to the battery terminal by screwing and tightening the nut to the stud bolt. The connection is fixed (see Patent Document 1 below).

JP 2009-187696 A

By the way, when fixing the battery terminal to the battery post, it is necessary to determine the direction in which the battery terminal is fixed in order to secure a space for performing the tightening work of the clamping member of the post connection part or the mating terminal. . Therefore, in the past, it has been proposed to mount a positioning member as a separate member on the battery terminal and place the positioning member against the battery wall. However, the positioning member is separately required, and its assembling work is also required. For this reason, there was concern that it would lead to high costs, and new measures were eagerly desired.
The present invention has been completed based on the above circumstances, and an object of the present invention is to enable positioning of battery terminals with a simple structure.

  In the battery terminal mounting structure according to the present invention, a battery post having a circular cross section is erected on the battery, and a terminal connected to a mating terminal at a substantially annular post connecting portion fitted to the battery post. The battery terminal is provided with a connecting portion integrally provided, and the post connecting portion of the battery terminal is fitted to the battery post and then tightened to reduce the diameter, whereby the battery terminal is attached to the battery post. In the fixed one, in the vicinity of the terminal connecting portion of the battery terminal, the mounting position of the battery terminal should be visually confirmed by aligning with a predetermined edge of the mounting surface of the battery terminal of the battery. It is characterized in that the mark part is formed integrally.

After fitting the post connection part of the battery terminal to the battery post, the mark part formed in the vicinity of the terminal connection part is rotated around the battery post so that it aligns with a predetermined edge of the mounting surface of the battery. The battery terminal is aligned with the proper mounting position.
Since the mark portion is integrally formed in the vicinity of the terminal connection portion, it is possible to easily cope with a slight design change of the battery terminal.

The following configuration may also be used.
(1) An extension plate extending along the attachment surface of the battery is formed in the terminal connection portion, and the mark portion is formed by an extension end of the extension plate. Since the extension end of the extension plate is used to provide the mark portion, the structure is very simple.

  (2) At the extended end of the extended plate, a rotation stop plate that contacts the side surface of the battery is formed by bending at a right angle. When the battery terminal is installed at the proper mounting position, the rotation stop plate is applied to the side of the battery to prevent rotation, and the battery terminal is rotated when the mating terminal is bolted to the terminal connection. Is prevented.

(3) The extension plate is formed in a shape in which the extension end side is wide, the rotation stop plate is formed over substantially the entire width of the extension end, and the extension plate includes the extension plate. A through hole having a hole edge along the end is formed, and the hole edge of the through hole serves as the mark portion.
By aligning the hole edge of the through hole with a predetermined edge of the battery mounting surface, the battery terminal is aligned with the normal mounting position. By forming the rotation stop plate wide, it is possible to more reliably prevent the battery terminal from being rotated.

  According to the present invention, the battery terminal can be positioned with a simple structure.

The side view which shows the operation | movement which fits the post connection part of a battery terminal to the battery post which concerns on Embodiment 1 of this invention. Top view of battery terminals Front view IV-IV sectional view of FIG. Top view of the battery post with the post connection part of the battery terminal fitted Its side view The top view of the battery terminal which concerns on Embodiment 2.

<Embodiment 1>
A first embodiment of the present invention will be described with reference to FIGS. In this embodiment, as shown in FIG. 1, the case where the battery terminal 20 is connected with respect to the battery post 15 standingly installed in the battery 10 mounted in a motor vehicle etc. is illustrated.
The battery 10 has a structure in which a battery post 15 is erected at a predetermined position on the upper surface 12 of the battery body 11. The battery post 15 is formed in a truncated cone shape whose upper end side is gradually reduced in diameter by lead or the like.

  As shown in FIG. 2, the battery terminal 20 is formed by pressing a thick metal plate having excellent conductivity, and the post connection portion 21 connected to the battery post 15 and a mating terminal (see FIG. 2). (Not shown) and a terminal connection portion 40 to be connected are integrally formed side by side.

  The post connecting portion 21 includes a holding portion 22 having a ring shape of slightly more than 3/4 circle that is externally fitted to the battery post 15 and a pair of extensions extending from both ends of the holding portion 22 so as to face each other. It consists of a piece 23. The holding part 22 has an inner diameter that can be fitted to the battery post 15 with a clearance in a natural state. As shown in FIG. 4, a plurality of vertically oriented grooves 24 for biting are formed in the peripheral surface of the holding portion 22.

  Bolts 25 are inserted through the pair of extending pieces 23, and the bolts 25 themselves are prevented from rotating, and nuts 26 are screwed onto projecting end sides of the bolts 25 from one extending piece 23. ing. Then, by tightening the nut 26, the distance between the extending pieces 23 is narrowed, and as a result, the holding portion 22 is reduced in diameter and fixed to the battery post 15.

  The terminal connection part 40 is provided on a top surface of a base 41 having a flat box shape so as to stand up with a stud bolt 42 being prevented from rotating. The mating terminal connected to the end of the electric wire is placed on the base 41 by inserting the bolt insertion hole formed in the mating terminal into the stud bolt 42, and a nut (not shown) is screwed onto the stud bolt 42. By tightening together, the mating terminal is pressed against the base 41 and fixed.

  In the present embodiment, as shown in FIG. 5, the normal attachment position of the battery terminal 20 is such that the terminal connecting portion 40 side faces rearward (right side in the figure), and the center line L of the battery terminal 20 is When the battery terminal 20 is placed on the upper surface 12 of the battery body 11 while being fitted to the battery post 15 in a position that is perpendicular to the inner edge 12A of the upper surface 12 of the battery body 11. Means are provided for aligning the battery terminal 20 with the above-described regular mounting position.

  On the rear edge of the bottom plate 43 of the base 41 in the terminal connection portion 40 of the battery terminal 20, an extension plate 50 is formed to extend rearward by a predetermined dimension. The extension plate 50 is formed wide so that most of the region on the extension end side protrudes to one side across the center line L of the battery terminal 20. At the extended end of the extended plate 50, a rotation stop plate 51 is formed that is bent at a right angle downward over its entire width.

On the extension plate 50, a window hole 53 having a predetermined width is opened from the base end toward the extension end side on the center line L of the battery terminal 20. The window hole 53 is also a hole for forming a locking portion 44 (see FIG. 4) for preventing rotation of the stud bolt 42 disposed in the base 41.
As shown in FIG. 5, the dimension a from the center 22 o of the holding part 22 in the post connection part 21 to the rear edge of the window hole 53 is from the center 15 o of the battery post 15 to the upper surface 12 of the battery body 11. It is set to be slightly larger than the dimension b up to the rear edge 12A. The rear edge of the window hole 53 is a mark portion 54.

  In addition, a long hole 55 is formed on the extended line of the rear edge of the window hole 53 at a position near the extended end of the extended portion of the extended plate 50. The rear edge of the elongated hole 55 is located slightly behind the rear edge of the window hole 53, and the rear edge of the elongated hole 55 also serves as a mark portion 56.

  The present embodiment has the structure as described above. To attach the battery terminal 20, the post terminal portion 21 is fitted to the battery post 15 with the battery terminal 20 in a posture in which the extension plate 50 faces substantially rearward. Then, while looking around the window hole 53 and the long hole 55 provided at the extending end of the extending plate 50 while rotating around the battery post 15, both mark portions 54 and 56 are the upper surface 12 of the battery body 11. When the battery terminal 20 is brought into a rotating posture parallel to the rear edge 12A, the center line L of the battery terminal 20 is perpendicular to the rear edge 12A of the upper surface 12 of the battery body 11, as shown in FIGS. It is aligned with the proper mounting position.

  Subsequently, when the nuts 26 of the bolts 25 and nuts 26 provided in the post connection portion 21 are tightened with a tightening tool, the holding portion 22 is gradually reduced in diameter so that the groove 24 is held in the outer peripheral surface. The portion 22 is fixed to the battery post 15, and consequently the battery terminal 20 is fixed to the battery post 15.

After that, the mating terminal is inserted on the stud bolt 42 through the bolt insertion hole and placed on the base 41. A nut (not shown) is screwed onto the stud bolt 42 and tightened, so that the mating terminal becomes the base 41. Pressed to fix.
At this time, the rotation stop plate 51 formed downward from the extension end of the extension plate 50 in the battery terminal 20 faces the back surface 13 of the battery body 11 in parallel with a slight gap. When the nut is tightened while holding the mating terminal, the battery terminal 20 is about to rotate around the battery post 15 as the rotation stop plate 51 hits the back surface 13 of the battery body 11, Tightening with nuts is performed smoothly and accurately.

As described above, according to the present embodiment, after the post connection portion 21 of the battery terminal 20 is fitted to the battery post 15, the mark portion 54 provided on the extension plate 50 extended to the terminal connection portion 40, By rotating 56 around the battery post 15 so that 56 is aligned with the inner edge 12A of the upper surface 12 of the battery body 11, the battery terminal 20 is aligned with the proper mounting position.
In providing the mark portions 54 and 56, the extension plate 50 can be formed integrally with the terminal connection portion 40, and the window hole 53 and the long hole 55 can be punched out at predetermined positions of the extension plate 50. It is possible to easily cope with the structure by simply increasing the pressing step when forming the battery terminal 20.

  Since the extension plate 50 provided in the battery terminal 20 is also formed with a rotation prevention plate 51, the battery terminal 20 may be rotated when the mating terminal is connected to the terminal connection portion 40 by tightening a nut. It is prevented. In particular, since the rotation stop plate 51 is formed wide, it is possible to more reliably prevent the rotation.

<Embodiment 2>
FIG. 7 shows Embodiment 2 of the present invention. In the battery terminal 20A of the second embodiment, the extension plate 60 is formed to extend from the rear edge of the bottom plate 43 of the base 41 of the terminal connection portion 40 with the same width as the bottom plate 43, and the width direction of the extension end A detent plate 61 is bent at a right angle downward from the center of the plate. In the battery terminal 20 </ b> A, the extension ends themselves on both sides of the portion where the rotation stop plate 61 is formed in the extension plate 60 become the mark portions 63 used for alignment with the rear edge 12 </ b> A on the upper surface 12 of the battery body 11. ing.
The structure for providing the mark portion 63 becomes simpler.

<Other embodiments>
The present invention is not limited to the embodiments described with reference to the above description and drawings. For example, the following embodiments are also included in the technical scope of the present invention.
(1) As in the first embodiment, in the type in which the through hole is opened in the extension plate and the mark portion is formed by the hole edge on the extension end side, the number of the through holes may be one, Three or more may be sufficient.
(2) The formation structure of the mark portion is not limited to the one exemplified in the above embodiment, and other formation structures may be adopted as long as a linear shape that matches the inner edge of the upper surface of the battery body is exhibited.
(3) Providing the rotation stopper plate may be omitted, and such a component is also included in the technical scope of the present invention.

DESCRIPTION OF SYMBOLS 10 ... Battery 11 ... Battery main body 12 ... Upper surface (attachment surface) of (the battery main body 11)
12A ... (on the upper surface 12 of the battery main body 11) inner edge (predetermined edge)
13 ... Back surface (side surface) of battery main body 11
DESCRIPTION OF SYMBOLS 15 ... Battery post 20, 20A ... Battery terminal 21 ... Post connection part 22 ... Holding part 40 ... Terminal connection part 41 ... Base 42 ... Stud bolt 43 ... Bottom plate (of the base 41) 50 ... Extension plate 51 ... Around Stop plate 53 ... Window hole (through hole)
54 ... Marking part 55 ... Long hole (through hole)
56 ... Marking part 60 ... Extension plate 61 ... Anti-rotation plate 63 ... Marking part

Claims (1)

A battery terminal in which a battery post having a circular cross section is erected on the battery, and a terminal connection portion connected to a mating terminal is integrally provided on a substantially annular post connection portion fitted to the battery post. Is provided,
The battery terminal is fixed to the battery post by being tightened so that the post connecting portion of the battery terminal is reduced in diameter after being fitted to the battery post.
In the vicinity of the terminal connection portion of the battery terminal, a mark portion is integrally formed so as to visually confirm the mounting position of the battery terminal by aligning with a predetermined edge of the mounting surface of the battery terminal of the battery. and,
And the said terminal connection part is formed with the extended plate extended along the said attachment surface of the said battery, and this extended plate is formed in the shape where the extended end side becomes wide, In this extended end, A detent plate that contacts the side surface of the battery over the entire width is formed by being bent at a right angle, and the extension plate is formed with a through hole having a hole edge along the extension end. The battery terminal mounting structure , wherein the hole edge of the hole serves as the mark portion .

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