JP2017117602A - Battery terminal - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a battery terminal capable of being connected to a battery post by vertically tightening a fastening device.SOLUTION: A battery terminal comprises: a fitting part 14 that is formed in a cylindrical shape to be externally fitted to a battery post 40; a pair of opposite pieces 15 that is projected to an outer direction of a radial direction from the fitting part 14, and is oppositely arranged in a peripheral direction of the fitting part 14; a projection part 16 that is provided to the opposite pieces 15, and is projected to a direction opposite to an opposite direction of the pair of opposite pieces 15; a cam plate part 20 that is adjacently arranged to the direction similar to an axial direction of the fitting part 14 of the opposite pieces 15, and is deviated to the same direction by being tightened with a tightening jig 30; and an inclination part 22 that is provided to the cam plate part 20, and forms an inclination that allows the projection part 16 to be deviated to the direction where the pair of opposite pieces 15 is closed in accordance with the deviation of the cam plate part 20.SELECTED DRAWING: Figure 2

Description

  The present invention relates to a battery terminal.

  Conventionally, a battery terminal connected to a battery post installed on a battery of an automobile or the like is known. The battery terminal has a fitting portion formed in a cylindrical shape that can be fitted on the battery post, and a pair of facing pieces that protrude outward in the radial direction from the fitting portion and are opposed to each other in the circumferential direction of the fitting portion. And have. The battery terminal is connected by being fastened to the battery post by the fitting portion having a reduced diameter when the pair of opposed pieces approach each other.

  For example, the battery terminal described in Patent Document 1 below connects a battery terminal to a battery post by bringing a pair of facing pieces closer by tightening a fastening tool inserted in the facing direction of the pair of facing pieces. .

JP 2012-230815 A

  However, as described above, the battery terminal that tightens (clamps laterally) the tightening tool in the facing direction of the pair of facing pieces may be difficult to perform the connection work due to the shape of the periphery of the battery post and the like. Therefore, there is a demand for a battery terminal that can be connected to the battery post by tightening the fastener in the same direction as the axial direction of the fitting portion (longitudinal fastening).

  This invention is completed based on the above situations, Comprising: It aims at providing the battery terminal which can fasten a fastener and can be connected to a battery post.

  The battery terminal of the present invention has a fitting portion formed in a cylindrical shape that can be fitted onto the battery post, and protrudes radially outward from the fitting portion, and is opposed to the circumferential direction of the fitting portion. A pair of opposing pieces, a protrusion provided on the opposing piece and protruding in a direction opposite to the opposing direction of the pair of opposing pieces, and adjacent to the same direction as the axial direction of the fitting portion of the opposing piece A cam plate portion that is clamped in the same direction by a fastening tool and displaced in the same direction, and is provided on the cam plate portion, and the protrusions are connected to the pair of cam plates in accordance with the displacement of the cam plate portion. And an inclined portion having an inclination that is displaced in a direction in which the facing piece approaches.

  According to the present invention, when the fastening tool is vertically tightened, the cam plate portion is displaced in the same direction as the axial direction of the fitting portion, and accordingly, the pair of opposed pieces are displaced in the approaching direction, and the fitting portion is contracted. Since the diameter is connected to the battery post, the battery terminal can be connected to the battery post by vertically tightening the fastening tool.

The side view which is a battery terminal in Example 1, and shows a mode before connecting to a battery post Front view showing battery terminals Front view showing the terminal body Side view showing the terminal body Plan view showing the terminal body Side view of the battery terminal showing a state before being fitted to the battery post and tightening the fastener. A plan view of the battery terminal showing a state before being fitted to the battery post and tightening the fastener. Front view of the battery terminal showing the state where the fastener is tightened and connected to the battery post A plan view of the battery terminal showing the state in which the fastener is tightened and connected to the battery post. The top view which shows the terminal main-body part of the battery terminal in Example 2. FIG. Front view showing battery terminals A plan view of the battery terminal showing a state before being fitted to the battery post and tightening the fastener. Front view of the battery terminal showing the state where the fastener is tightened and connected to the battery post A plan view of the battery terminal showing the state in which the fastener is tightened and connected to the battery post.

Preferred embodiments of the present invention are shown below.
In the battery terminal of the present invention, the protruding portion may be inclined in the same direction as the inclined portion. According to such a configuration, since the protruding portion and the inclined portion come into contact with each other, the battery terminal can be connected smoothly.

  Further, in the battery terminal according to the present invention, the protrusion is provided at both ends of the facing piece in the same direction, and the cam plate portion is provided on both sides of the facing piece in the same direction. It is good. According to such a configuration, both end portions in the axial direction of the fitting portion can be tightened and connected to the battery post.

  Moreover, the battery terminal of this invention is good also as what the said protrusion part bent and formed in the said opposite direction from the edge part in the said same direction of the said opposing piece. According to such a structure, a protrusion part can be formed comparatively easily.

  Moreover, the battery terminal of this invention is good also as a thing with which the said protrusion part is provided in both of a pair of said opposing piece. According to such a configuration, since both of the pair of opposed pieces are pressed by the cam plate portion, the fitting portion is reduced in diameter with a better balance than when only one opposed piece is pressed. Can do.

<Example 1>
Hereinafter, a first embodiment of the present invention will be described in detail with reference to FIGS.
The battery terminal T in the present embodiment is connected to a battery post 40 installed on a battery such as an automobile. The battery post 40 has a truncated cone shape protruding from the upper surface of the battery body 41. Hereinafter, in each component member, the upper side of FIG.

  The battery terminal T includes a terminal main body portion 10 formed integrally by bending a conductive metal plate material, a cam plate portion 20 formed separately from the terminal main body portion 10, a bolt 31 and a nut 32. And a fastening tool 30 having.

  As shown in FIG. 9, the terminal main body 10 has a wire connecting portion 18 to which a terminal fitting 43 connected to the terminal portion of the electric wire 42 is connected. The electric wire connecting portion 18 is configured such that a stud bolt 12 is erected on a box portion 11 formed in the terminal main body portion 10. The terminal fitting 43 is placed on the upper surface of the box portion 11 through a stud bolt 12 through a through hole (not shown), and is fixed to the box portion 11 by being fastened with a fixing nut 13 on the upper side thereof.

  The terminal body 10 has a fitting portion 14 that is fitted and fixed to the battery post 40. The fitting portion 14 is formed in a cylindrical shape that can be externally fitted to the battery post 40, and has an arc shape that surrounds the battery post 40. The fitting portion 14 has a truncated cone shape corresponding to the battery post 40. As shown in FIG. 7, the fitting portion 14 is deformed in diameter from the loosely fitted state of the battery post 40 as the pair of facing pieces 15 move toward each other, and the battery 14, as shown in FIG. 9. The post 40 is in close contact with the post 40.

  As shown in FIG. 5, the terminal main body portion 10 includes a pair of facing pieces 15 that protrude outward in the radial direction from the fitting portion 14 and are opposed to each other in the circumferential direction of the fitting portion 14. The facing piece 15 is formed integrally with the fitting portion 14 and has a flat plate shape protruding from both ends in the circumferential direction of the fitting portion 14. The pair of facing pieces 15 are located on the side (opposite side) 180 degrees different from the wire connecting portion 18 with the fitting portion 14 therebetween. The pair of opposed pieces 15 are arranged substantially parallel to each other. The pair of opposed pieces 15 have a height dimension equivalent to the height dimension of the fitting portion 14.

  As shown in FIG. 3, the opposing piece 15 is provided with a protruding portion 16 that protrudes outward (a direction opposite to the opposing direction of the pair of opposing pieces 15). The protruding portion 16 is provided at both upper and lower end portions of the facing piece 15 (both end portions in the same direction as the axial direction of the fitting portion 14). The protruding portion 16 is formed to bend outward from the upper end edge and the lower end edge (the end edge in the same direction as the axial direction of the fitting portion 14) of the facing piece 15. The protrusions 16 provided at the upper and lower ends of the facing piece 15 have a symmetrical shape in the vertical direction.

  The protrusions 16 are provided on both the pair of opposed pieces 15. The protrusions 16 provided on the pair of facing pieces 15 have a symmetrical shape in the facing direction of the pair of facing pieces 15 (the left-right direction in FIG. 3). Each protrusion 16 is inclined in the same direction as the inclination of the inclined portion 22 of the cam plate portion 20 described later.

  Of the upper and lower protrusions 16, the protrusion 16 (hereinafter referred to as the upper protrusion 16 </ b> U) located above the opposing piece 15 is inclined obliquely downward and outward from the upper end edge of the opposing piece 15. Of the upper and lower protrusions 16, a protrusion 16 (hereinafter referred to as a lower protrusion 16 </ b> S) located on the lower side of the opposing piece 15 is inclined obliquely outward and upward from the lower end edge of the opposing piece 15.

  The tips of the upper and lower protrusions 16U and 16S are close to or in contact with each other at the center in the vertical direction of each facing piece 15. The opposing piece 15 and the upper and lower protrusions 16U and 16S are bent in a substantially triangular shape when viewed from the front side.

  As shown in FIG. 5, the protruding portion 16 is formed over substantially the entire width of each facing piece 15 (the width in the same direction as the radial direction of the fitting portion 14). As shown in FIG. 4, each protrusion 16 has a substantially rectangular plate shape whose width dimension (length dimension in the same direction as the radial direction of the fitting part 14) is larger than the dimension in the height direction.

  On the upper side and the lower side of the facing piece 15 (both sides in the same direction as the axial direction of the fitting portion 14), as shown in FIG. The upper and lower cam plate portions 20 have the same shape. The cam plate portion 20 has a plate shape as a whole, and has a plate thickness dimension larger than the plate thickness size of the terminal main body portion 10. As shown in FIG. 7, the cam plate portion 20 has a rectangular shape that can cover the entire pair of opposed pieces 15 including the protruding portion 16.

  As shown in FIG. 2, the cam plate portion 20 is provided at both ends of the horizontal portion 21 in the longitudinal direction of the horizontal portion 21 that extends substantially horizontally between the pair of opposed pieces 15, and is inclined obliquely outward. And an inclined portion 22. The cam plate portion 20 has a symmetrical shape in the longitudinal direction (the opposing direction of the pair of opposing pieces 15).

  The horizontal portion 21 has a width dimension over both the pair of opposed pieces 15 before tightening. An insertion hole 23 through which the shaft portion 33 of the bolt 31 can be inserted is formed in the center portion of the horizontal portion 21 in the plate thickness direction. The upper and lower cam plate portions 20 are displaced in the vertical direction (the same direction as the axial direction of the fitting portion 14) by being tightened in the vertical direction (the same direction as the axial direction of the fitting portion 14) by the fastening tool 30. It has become.

  The inclined portion 22 has an inclination that displaces the protruding portion 16 inward (a direction in which the pair of opposed pieces 15 approach) in accordance with the displacement of the cam plate portion 20. As shown in FIG. 2, the inclined portion 22 is formed on the inner surface 24 and is in surface contact with the outer surface 17 of the protruding portion 16. The inclination of the inner surface 24 of the inclined portion 22 and the inclination of the outer surface 17 of the protruding portion 16 are equivalent to each other.

  As shown in FIG. 2, in the battery terminal T in a state before the tightening tool 30 is tightened, the inclined portion 22 of the cam plate portion 20 contacts the upper end portion of the upper protruding portion 16U and the lower end portion of the lower protruding portion 16S. The horizontal portion 21 of the cam plate portion 20 is held at a position away from the facing piece 15. The shaft portion 33 of the bolt 31 passes through the insertion hole 23 of the upper and lower cam plate portions 20 in the vertical direction and is positioned between the pair of opposed pieces 15. The head portion 34 of the bolt 31 is in contact with the lower surface of the lower cam plate portion 20, and the nut 32 is screwed into the tip of the shaft portion 33 of the bolt 31 and is in contact with the upper surface of the upper cam plate portion 20.

Next, an example of an operation for connecting the battery terminal T to the battery post 40 will be described.
First, the fitting portion 14 of the battery terminal T is fitted to the battery post 40 (see FIG. 7). The fitting portion 14 is fitted around the battery post 40 with a slight gap.

Next, the fastening tool 30 is fastened. When the nut 32 is rotated around the axis of the bolt 31, the nut 32 is displaced downward (side approaching the head 34) relative to the shaft portion 33. The upper and lower cam plate portions 20 pressed by the nut 32 and the head portion 34 approach each other in the vertical direction, and at this time, the inclined portion 22 of the upper cam plate portion 20 presses the upper protruding portion 16U of the opposing piece 15 downward. Then, the inclined portion 22 of the lower cam plate portion 20 presses the lower protruding portion 16S of the facing piece 15 upward. The upper and lower protrusions 16U and 16S pressed by the inclined portion 22 are gradually displaced inward by the inclination of the inclined portion 22, and the pair of opposed pieces 15 gradually approach. As the distance between the pair of opposed pieces 15 is reduced, the fitting portion 14 is deformed in diameter, and as shown in FIG. 9, the fitting portion 14 is in close contact with the battery post 40 and is sufficiently tightened and fixed. At this time, as shown in FIG. 8, the horizontal portions 21 of the upper and lower cam plate portions 20 are in contact with the upper end and the lower end of the facing piece 15, respectively. Further, the inclined portions 22 of the upper and lower cam plate portions 20 are in contact with each other in the vicinity of the central portion in the height direction of the upper protruding portion 16U and the lower protruding portion 16S.
Thus, the operation for connecting the battery terminal T to the battery post 40 is completed.

Next, operations and effects of the embodiment configured as described above will be described.
The battery terminal T of the present embodiment includes a fitting portion 14 formed in a cylindrical shape that can be fitted onto the battery post 40, and protrudes radially outward from the fitting portion 14, so that the circumferential direction of the fitting portion 14 And a pair of facing pieces 15 arranged to face each other. The opposing piece 15 is provided with a protruding portion 16 that protrudes in a direction opposite to the opposing direction of the pair of opposing pieces 15. Further, above and below the facing piece 15 (in the same direction as the axial direction of the fitting portion 14), it is tightened in the vertical direction (the same direction as the axial direction of the fitting portion 14) by the fastening tool 30 and is moved up and down (fitted) A cam plate portion 20 that is displaced in the same direction as the axial direction of the joint portion 14 is disposed adjacently. The cam plate portion 20 is provided with an inclined portion 22 having an inclination that displaces the protruding portion 16 in a direction in which the pair of opposed pieces 15 approach as the cam plate portion 20 is displaced.

  According to this configuration, when the fastening tool 30 is vertically tightened, the cam plate portion 20 is displaced in the vertical direction (the same direction as the axial direction of the fitting portion 14), and accordingly, the pair of opposed pieces 15 approach each other. Since the fitting portion 14 is reduced in diameter and connected to the battery post 40, the fastener 30 can be vertically tightened to connect the battery terminal T to the battery post 40.

  The protruding portion 16 is inclined similarly to the inclined portion 22. According to this configuration, since the projecting portion 16 and the inclined portion 22 come into contact with each other, the connection work of the battery terminal T can be performed smoothly.

  Further, the protrusions 16 are provided at both upper and lower ends of the opposing piece 15 (both ends in the same direction as the axial direction of the fitting portion 14), and the cam plate 20 is provided in the vertical direction of the opposing piece 15 (fitting portion). 14 in the same direction as the axial direction). According to this configuration, both end portions in the axial direction of the fitting portion 14 can be tightened and connected to the battery post 40.

  Further, the protruding portion 16 is bent outward from the end edge portion in the vertical direction of the facing piece 15 (the same direction as the axial direction of the fitting portion 14) (the direction opposite to the facing direction of the pair of facing pieces 15). It is formed. According to this configuration, for example, the protruding portion 16 can be formed relatively easily as compared with the case where the protruding portion is formed by knocking or cutting a part of the facing piece outward.

  Further, the protrusions 16 are provided on both the pair of opposed pieces 15. According to this configuration, since both of the pair of opposed pieces 15 are pressed by the cam plate portion 20, the fitting portion 14 is reduced in diameter with a better balance than when only one opposed piece 15 is pressed. Can be made.

<Example 2>
Next, the battery terminal 50 which concerns on Example 2 which actualized this invention is demonstrated with reference to FIGS.
The battery terminal 50 of the present embodiment is different from that of the first embodiment in that the pair of opposed pieces 15 are located on a side that is 90 degrees different from the wire connecting portion 18 with the fitting portion 14 therebetween. In addition, the same code | symbol is attached | subjected to the structure similar to Example 1, and the overlapping description is abbreviate | omitted.

  Similarly to the first embodiment, the battery terminal 50 according to the present embodiment includes a fitting portion 14 that can be fitted onto the battery post 40 and a pair of opposing surfaces that project outward from the fitting portion 14 in the radial direction. The pair of opposed pieces 15 has a protruding portion 16 that protrudes outward. Similarly to the first embodiment, cam plate portions 20 that are fastened in the vertical direction by the fastening tool 30 and displaced in the vertical direction are provided on both the upper and lower sides of the pair of opposed pieces 15. An inclined portion 22 having an inclination that displaces the protruding portion 16 inward in accordance with the displacement of the portion 20 is provided.

  In the terminal main body portion 51 of the battery terminal 50, the protruding direction of the wire connecting portion 18 from the fitting portion 14 and the protruding direction of the pair of opposed pieces 15 are substantially perpendicular. The electric wire connection portion 18 is connected to a substantially half region connected to the one opposing piece 15 in the fitting portion 14.

  According to the battery terminal 50 of the present embodiment, as in the first embodiment, when the tightening tool 30 is vertically tightened, the cam plate portion 20 is displaced in the same direction as the axial direction of the fitting portion 14, and accordingly, a pair of opposing faces The piece 15 is displaced in the approaching direction, and the fitting portion 14 is reduced in diameter and connected to the battery post 40. In the battery terminal 50 of this embodiment, the portion of the fitting portion 14 on the side where the wire connecting portion 18 is provided has high rigidity and is not easily deformed. Therefore, the portion on the opposite side to the wire connecting portion 18 is mainly used. The battery post 40 is deformed and tightened.

<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) In the said Example, although the protrusion part 16 inclines similarly to the inclination part 22, it is not restricted to this, For example, a protrusion part may have made | formed the curved shape.
(2) In the above embodiment, the protrusions 16 are provided at the upper and lower ends of the opposing piece 15, but the present invention is not limited to this, and the protrusion is provided only on either the upper end or the lower end of the opposing piece. One of the upper and lower end portions of the fitting portion may be tightened more strongly by the battery post.
(3) In the above-described embodiment, the protrusions 16 are provided on both of the pair of opposing pieces 15. However, the present invention is not limited thereto, and the protrusions are formed only on one of the pair of opposing pieces. For example, in the battery terminal described in the second embodiment, the protruding portion may be formed only on the facing piece on the side where the rigidity of the fitting portion is low (the side opposite to the wire connecting portion).

T (50) ... battery terminal 14 ... fitting part 15 ... facing piece 16 ... projecting part 20 ... cam plate part 22 ... inclined part 40 ... battery post

Claims (5)

A fitting portion formed in a cylindrical shape that can be fitted on the battery post; and
A pair of facing pieces protruding outward in the radial direction from the fitting portion and arranged to face the circumferential direction of the fitting portion,
A protrusion provided on the opposing piece and protruding in a direction opposite to the opposing direction of the pair of opposing pieces;
A cam plate portion disposed adjacent to and in the same direction as the axial direction of the fitting portion of the opposing piece, and clamped in the same direction by a fastening tool and displaced in the same direction;
An inclined portion provided on the cam plate portion, and having an inclination for displacing the protruding portion in a direction in which the pair of opposed pieces approach as the cam plate portion is displaced;
With battery terminals.   The battery terminal according to claim 1, wherein the protruding portion is inclined in the same direction as the inclined portion. The protrusions are provided at both ends of the facing piece in the same direction,
The battery terminal according to claim 1, wherein the cam plate portion is provided on both sides of the facing piece in the same direction.   The battery terminal according to any one of claims 1 to 3, wherein the protruding portion is formed by bending in an opposite direction from an end edge portion in the same direction of the facing piece.   The battery terminal according to claim 1, wherein the protrusion is provided on both of the pair of opposed pieces.

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