JP2006331784A - Battery terminal - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To allow fastening to a battery post by a simple rotational operation. <P>SOLUTION: A battery terminal 1 comprises an electrode holder 11 extending along the outer periphery of a battery post 2, first and second side surfaces 12 and 13 that are extended frontward, facing each other, from the holder with its front part opened in circle, and electric wire connector 20 extended to back side of the electrode holder 11. A fastening hardware 16 is rotatably supported by the upper edge of the first side surface 12. As the hardware is rotated toward the second side surface 13, an operation surface 17 makes both side surfaces 12 and 13 approach each other while sliding on a sliding surface 24, allowing the electrode holder 11 to fasten the battery post 2. As the fastening hardware 16 is shifted backward in the axial direction of a rotational axis 15, the fastening hardware 16 engages with a lock receiver 25 to regulates return action. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a battery terminal.

Conventionally, as this type of battery terminal, a so-called lateral tightening type terminal is known as described in Patent Document 1 below. In this, a metal strip is bent into a ring shape to form an electrode holding portion, and a pair of leg pieces are extended from both ends to face each other, and bolt holes are formed through the leg pieces. Has been. Then, after fitting the electrode holding part to the battery post protruding from the battery, both the leg pieces are attracted to each other and the electrode holding part is contracted as the nut is screwed into the bolt passed through the bolt hole and tightened. The electrode holder is pressed against the side surface of the battery post and the battery post can be tightened.
JP-A-8-315889

  However, since this needs to be repeatedly tightened using a separate tool or the like, a large amount of labor and labor are required to perform the tightening work on the battery post.

  The present invention has been completed based on the above circumstances, and an object of the present invention is to enable tightening by one-touch operation without requiring much labor and labor in tightening work on a battery post.

  As means for achieving the above object, the invention of claim 1 is characterized in that an electrode holding portion obtained by turning a metal strip into an annular shape so as to be fitted to the battery post from the axial direction, and both ends of the electrode holding portion. A battery terminal including first and second side portions that extend in a radially outward direction from each other, and tighten the electrode holding portion with respect to the battery post when these intervals approach each other In the first side portion, one end side of the fastening fitting is supported so as to be rotatable, and the second side portion is in sliding contact with the other end side of the fastening fitting during the turning operation of the fastening fitting. Along with this, a sliding surface is formed that displaces the both side surfaces so as to approach each other, and a lock receiving portion that can be engaged with the fastening metal fitting is formed on the second side surface with the both side surfaces approaching each other. With the configuration Having the features in place.

  According to a second aspect of the present invention, in the first aspect of the present invention, the fastening metal fitting may be arranged on the first side surface portion with respect to a rotating shaft disposed along a direction in which the side surface portion extends from the electrode holding portion. The sliding surface is supported by a substantially vertical plane so that the upper edge of the second side surface portion is substantially arc-shaped along the rotation locus of the fastening bracket. It has a characteristic where it exists.

  According to a third aspect of the present invention, in the first or second aspect of the present invention, the fastening member is slidable along the axial direction with respect to the rotating shaft, while the lock receiving portion is the fastening member. When the bracket is pivoted to a position where the battery post can be clamped and then displaced along the pivot axis, the clamp fitting is displaced in the return direction by receiving and locking the clamp bracket. It is characterized in that it is formed in a hook shape that can be controlled.

<Invention of Claim 1>
According to the first aspect of the present invention, it is possible to tighten the battery post by bringing both side portions closer together with the turning movement of the fastening metal fitting provided on the first side surface portion, and rotate the both side portions approaching each other. Since the lock receiving portion that can be engaged with the tightening metal fitting is provided on the second side surface portion by being displaced along the axial direction of the shaft, the battery post can be held in the tightened state. That is, the battery post can be tightened with a one-touch operation of rotating the tightening bracket.

<Invention of Claim 2>
According to the second aspect of the present invention, the rotation axis is arranged along the direction in which the first side surface portion extends from the electrode holding portion, and the sliding surface is formed in an arc shape along the rotation locus of the fastening bracket. Therefore, the sliding contact operation with respect to the second side surface portion can be performed smoothly during tightening. In addition, since the tightening operation can be performed by pushing from above, the tightening operation can be performed even when the work space cannot be secured on the side of the battery terminal.

<Invention of Claim 3>
According to the invention of claim 3, after the fastening bracket is rotated and the battery post is tightened, the clamping bracket is displaced as it is along the axial direction of the rotation shaft, and the displacement of the clamping bracket in the return direction is restricted. I was able to do it. For this reason, since the lock receiving portion only needs to have a hook shape, the lock structure is simple, and the operator does not have to change the operation position during the operation from turning to sliding. It is possible to perform a lock operation.

<Embodiment 1>
A first embodiment of the present invention will be described with reference to FIGS. As shown in FIG. 1, the battery terminal 1 according to the first embodiment includes a battery connection portion 10 that connects to the battery post 2 and a wire connection portion 20 that connects to a wire harness (not shown). It is integrally formed with the board material made from. In the following description, the front-rear direction refers to the lower side forward with respect to the vertical direction in FIG. 1, the vertical direction refers to the upper side with reference to the vertical direction shown in FIG. 4, and the left-right direction refers to FIG. The left side is the left side with reference to the horizontal direction shown.

  The battery post 2 has a substantially truncated cone shape whose diameter gradually decreases upward, and an arc-shaped electrode holding portion 11 is formed along the outer peripheral surface thereof (see FIGS. 1 and 4). . A wire connecting portion 20 is formed behind the electrode holding portion 11. The wire connection portion 20 is arranged so as to penetrate the base 21 integrally extended from the lower end of the electrode holding portion 11, the connection bolt 22 welded on the base 21, and the screw portion of the connection bolt 22. The receiving surface 23 is formed. The receiving surface 23 is formed by folding back from the pedestal 21 and is connected to a terminal (having a circular hole not shown) connected to the wire harness using a nut (not shown).

  As shown in FIG. 1, the electrode holding portion 11 is opened on the side opposite to the electric wire connecting portion 20 in the radial direction, and a pair of side surface portions are extended in a facing state from both ends thereof. . In the first embodiment, as shown in FIG. 4, among the pair of side surface portions, the one located on the right side is the first side surface portion 12, and the one located on the left side is the second side surface portion 13.

  As shown in FIG. 1 or FIG. 4, a substantially rectangular insertion hole 14 is disposed in the front-rear direction on the upper edge side of the first side surface portion 12. A region sandwiched between the upper edge of the first side surface portion 12 and the insertion hole 14 is a rotation shaft 15, and a fastening fitting 16 is attached to the upper side of the first side surface portion 12.

  The fastening bracket 16 is formed in a metal plate shape, and is formed thicker than the side surface portions 12 and 13 as shown in FIG. One end side corresponding to the short side of the fastening metal fitting 16 is inserted into the insertion hole 14 from the outside of the first side surface portion 12 and is bent along the outer periphery of the rotation shaft 15 to form the rotation support portion 18. The fastening bracket 16 is rotatably supported. At this time, the longitudinal length on one end side of the fastening bracket 16 is set to be shorter than the longitudinal length of the insertion hole 14, and the fastening bracket 16 can be displaced along the axial direction of the rotating shaft 15. .

  On the other hand, a slit is provided on the other end side of the fastening bracket 16 along the length direction to the vicinity of the center of the fastening bracket 16, and the front side portion is bent downward substantially at a right angle with this slit as a boundary. The action portion 28 is formed, and the other portion is extended to the left as it is to be the operation portion 26. The operation unit 26 is set to have a sufficient length from the rotation shaft 15 in order to perform the rotation operation of the fastening bracket 16 (the tightening operation of the battery post 2) with a weak operation force. The distal end position of the action portion 28 is set so as to be slidable in contact with the second side face portion 13 (sliding surface 24 described below) at the initial stage of the turning operation of the fastening metal fitting 16. The surface 17 is used.

  A sliding surface 24 is formed on the substantially upper half of the upper edge of the second side surface portion 13 so as to project obliquely upward to the right (in the direction toward the fastening bracket 16). The sliding surface 24 is slidably contactable with the operating surface 17 of the operating portion 28, and is formed in an arc shape so as to be slidable along the rotational direction of the fastening fitting 16. Thus, as shown in FIG. 5, by rotating the fastening bracket 16 toward the second side surface portion 13, the side surface portions 12 and 13 are displaced so as to approach each other, and finally the state shown in FIG. Thus, the battery post 2 can be tightened. At this time, the bending position is set so that the action portion 28 can obtain a sufficient tightening force with respect to the battery post 2.

  In addition, a lock receiving portion 25 formed by cutting and raising is provided at the approximate center on the outer surface side of the second side surface portion 13. The lock receiving portion 25 has a substantially U-shaped cut in the second side surface portion 13 in a lateral direction, and then cuts and raises an inner portion thereof toward the outside at a substantially right angle, and a front end thereof at a substantially right angle toward the front. It is formed by bending it. At this time, the inner surface of the lock receiving portion 25 is a locking surface 27, and the action portion 28 of the fastening member 16 can be received between the outer surface of the second side surface portion 13 and the locking surface 27. Since the outer surface of the action portion 28 is locked to the locking surface 27, the return operation of the tightening bracket 16 is restricted and the battery post 2 can be held in the tightened state. As shown in FIG. 2, the lock receiving portion 25 is disposed at a position that does not hinder the rotation operation.

This embodiment has the structure as described above, and the operation thereof will be described subsequently.
First, the battery terminal 1 is attached to the battery post 2 (the state shown in FIG. 1). Next, when the operating portion 26 of the fastening bracket 16 is pushed in and turned toward the second side surface portion, the working surface 17 of the fastening bracket 16 becomes the sliding surface of the second side surface portion 13 as shown in FIG. 24 abuts. From this state, when the operating portion 26 is further pushed in and the fastening bracket 16 is rotated, the side surfaces 12 and 13 are displaced so as to approach each other, and the battery post 2 is fastened as shown in FIG. It becomes. During this time, the sliding surface 24 is formed in an arc shape along the rotation direction of the fastening fitting 16, so that the sliding contact between the sliding surface 24 and the action surface 17 is performed smoothly.

  Subsequently, the fastening fitting 16 is moved rearward along the axial direction of the rotation shaft 15 from the fastening position (state shown in FIG. 2) to the lock position (state shown in FIG. 3). Then, the action portion 28 of the tightening bracket 16 is received in the lock receiving portion 25 and is locked to the locking surface 27, whereby the return operation of the tightening bracket 16 is restricted and the battery post 2 is held in the tightened state. .

  As described above, in the present embodiment, the fastening bracket 16 rotatably supported on the upper edge of the first side surface portion 12 is rotated toward the second side surface portion 13 so that the both side surface portions 12 and 13 are connected to each other. By bringing them closer, the electrode holder 11 can tighten the battery post 2. During this time, since the working surface 17 is in sliding contact with the sliding surface 24 formed in an arc shape along the rotational direction of the fastening member 16, it is possible to perform a smooth rotational operation. In addition, when the fastening member 16 is rotated and then moved rearward along the axial direction of the turning shaft 15, the fastening member 16 is engaged with the lock receiving portion 25 so that the return operation is restricted. Therefore, the battery post 2 can be held in a tightened state. That is, according to the present embodiment, the tightening work to the battery post 2 can be performed by one-touch work in which the work is completed by one operation in one direction, and it moves to the rear without changing the operation position. This makes it possible to lock the tightened state.

<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, and further, within the scope not departing from the gist of the invention other than the following. Various modifications can be made.

  (1) In the first embodiment, an example in which a fastening bracket is attached to the upper edge of the first side surface portion is illustrated. However, other locations may be used as long as a tightening operation is possible, for example, on the front edge of the first side surface portion. It may be attached. That is, in this embodiment, the rotation axis is set in the length direction (horizontal direction) at the upper edge of the first side surface portion, but instead, it is set in the height direction at the front edge of the first side surface portion. May be.

  (2) In the first embodiment, the sliding surface is formed so as to protrude obliquely upward to the right from the upper edge of the second side surface portion. In short, the sliding surface is in the rotational direction of the fastening bracket. It suffices if it can be slidably contacted with the working surface, and may be formed, for example, from the upper edge of the second side surface portion toward the lower left.

  (3) In Embodiment 1, although what provided the operation part for performing rotation operation of a clamp | tightening metal fitting was illustrated, it is not necessary to provide an operation part dare, You may operate an action part.

The top view of the battery terminal in the state before tightening start in Embodiment 1. Plan view of the battery terminal in its fully-tightened and unlocked state Plan view of the battery terminal in the locked state after the tightening is completed The front view of the battery terminal in the state before fastening start in Embodiment 1. Front view of battery terminal during tightening operation Front view of the battery terminal in the tightened state

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 ... Battery terminal 2 ... Battery post 11 ... Electrode holding part 12 ... 1st side part 13 ... 2nd side part 15 ... Rotating shaft 16 ... Fastening metal fitting 24 ... Sliding surface 25 ... Lock receiving part

Claims (3)

An electrode holding part obtained by turning a metal strip into an annular shape so that it can be fitted to the battery post from the axial direction, and extending radially outward from both ends of the electrode holding part. A battery terminal comprising first and second side portions for tightening the electrode holding portion with respect to the battery post by approaching,
One end side of the fastening bracket is supported on the first side surface portion so as to be able to rotate, and the second side surface portion is slidably brought into contact with the other end side of the fastening bracket when the fastening bracket is rotated. A sliding surface is formed to displace the surface portions so as to approach each other, and the second side surface portion is formed with a lock receiving portion that can be engaged with the tightening fitting in a state where both side surface portions are brought close to each other. Battery terminal featured. The fastening bracket is supported so as to be rotatable in a substantially vertical plane with respect to a rotation shaft arranged along the direction in which the side surface portion extends from the electrode holding portion in the first side surface portion. 2. The battery terminal according to claim 1, wherein the sliding surface is formed by forming an arc shape such that an upper edge portion of the second side surface portion substantially follows a turning locus of the fastening metal fitting. The fastening bracket is slidable along the axial direction with respect to the pivot shaft, while the lock receiving portion is pivoted after the clamping bracket is pivoted to a position where the battery post can be clamped. 2. A hook shape capable of restricting displacement of the fastening member in a return direction by receiving and locking the fastening member when displaced along an axis. Or the battery terminal of Claim 2.

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